/* ===== RESET ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

/* ===== VARIABLES ===== */
:root {
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --slide-dur: 0.85s;
  --text-dur: 0.65s;
  --motion-fast: 220ms;
  --motion-med: 520ms;
  --motion-slow: 1300ms;
  --text-shift-x: 0px;
  --text-shift-y: 0px;
  --text-rot: 0deg;
  --cursor-dot-scale: 1;
  --slide-pad: clamp(24px, 5vw, 80px);
  --slide-shift: clamp(24px, 5vh, 48px);
  --theme-bg: #040404;
  --theme-fg: #f7f7f2;
  --theme-muted: rgba(255, 255, 255, 0.62);
  --cursor-ring-size: 34px;
  --app-height: 100svh;
  --app-width: 100vw;
}

/* ===== BASE ===== */
html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--theme-bg);
  color: var(--theme-fg);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  cursor: none;
}

@media (hover: hover) and (pointer: fine) {
  html, body, body * {
    cursor: none !important;
  }
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.035), transparent 35%),
    radial-gradient(circle at 80% 0%, rgba(255,255,255,0.02), transparent 30%),
    radial-gradient(circle at 50% 85%, rgba(255,255,255,0.02), transparent 34%);
  opacity: 0.65;
}

#mist-bg {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.42;
  will-change: opacity;
}

body[data-theme="light"] #mist-bg {
  opacity: 0.34;
}

/* ===== CUSTOM CURSOR ===== */
#cursor {
  position: fixed;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%) scale(var(--cursor-dot-scale, 1));
  mix-blend-mode: difference;
  transition:
    width 0.3s ease,
    height 0.3s ease,
    transform 0.22s var(--ease-out),
    opacity 0.22s var(--ease-out);
  transform-origin: center center;
}

#cursor-ring {
  position: fixed;
  width: var(--cursor-ring-size);
  height: var(--cursor-ring-size);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9998;
  transform: translate(-50%, -50%);
  opacity: 0.9;
  box-shadow: 0 0 22px rgba(255, 255, 255, 0.04);
  transition:
    width 220ms var(--ease-out),
    height 220ms var(--ease-out),
    border-color 220ms var(--ease-out),
    opacity 220ms var(--ease-out),
    box-shadow 220ms var(--ease-out),
    transform 220ms var(--ease-out);
}

/* ===== PROGRESS BAR ===== */
#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 1px;
  width: 100%;
  background: rgba(255, 255, 255, 0.35);
  z-index: 200;
  transform-origin: left center;
  transform: scaleX(var(--progress-scale, 0));
  will-change: transform;
  transition: transform 0.6s var(--ease-out);
}

/* ===== SLIDE COUNTER ===== */
#slide-counter {
  position: fixed;
  bottom: 36px;
  right: 48px;
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.18);
  z-index: 200;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  user-select: none;
}

#num-current { color: rgba(255, 255, 255, 0.45); }
.sep { margin: 0 5px; opacity: 0.4; }

/* ===== NAV LINE ===== */
#slide-nav {
  position: fixed;
  right: 32px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 160px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
}

#nav-track {
  position: relative;
  box-sizing: content-box;
  width: 1px;
  height: 160px;
  padding: 0 10px;
  margin: 0 -10px;
  background: transparent;
  cursor: none;
  touch-action: none;
  transition: opacity 0.2s var(--ease-out);
}

#nav-track::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.07);
  transition: opacity 0.2s var(--ease-out), transform 0.2s var(--ease-out);
}

#nav-indicator {
  position: absolute;
  left: 50%;
  top: 0;
  width: 2px;
  height: 14px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: 1px;
  --nav-scale: 1;
  transform: translateX(-50%) translateY(var(--nav-y, 0px)) scaleX(var(--nav-scale, 1));
  transform-origin: center top;
  box-shadow: 0 0 14px rgba(255,255,255,0.16);
  will-change: transform, opacity;
  transition: transform 0.55s var(--ease-out), opacity 0.2s var(--ease-out);
}

#nav-track:hover {
  opacity: 1;
}

#nav-track:hover::before {
  background: rgba(255, 255, 255, 0.12);
  transform: translateX(-50%) scaleX(1.1);
}

#nav-track:hover #nav-indicator {
  --nav-scale: 1.5;
}

#nav-track.is-dragging {
  cursor: none;
  opacity: 1;
}

#nav-track.is-dragging::before {
  background: rgba(255, 255, 255, 0.14);
  transform: translateX(-50%) scaleX(1.1);
}

#nav-track.is-dragging #nav-indicator {
  --nav-scale: 1.8;
  transition: opacity 0.2s var(--ease-out);
}

body.is-action-hover #cursor {
  --cursor-dot-scale: 0.84;
}

body.is-action-hover {
  --cursor-ring-size: 20px;
}

body[data-hover-kind="drag"] {
  --cursor-ring-size: 26px;
}

body[data-hover-kind="pick"] {
  --cursor-ring-size: 18px;
}

body[data-hover-kind="drag"] #cursor {
  --cursor-dot-scale: 0.92;
}

body[data-hover-kind="pick"] #cursor {
  --cursor-dot-scale: 0.78;
}

body.is-action-hover #cursor-ring {
  border-color: rgba(255, 255, 255, 0.44);
  opacity: 1;
  box-shadow: 0 0 16px rgba(255, 255, 255, 0.12);
}

body[data-theme="light"] {
  --theme-bg: #f2f0ea;
  --theme-fg: #151515;
  --theme-muted: rgba(16, 16, 16, 0.58);
}

body[data-theme="light"] #cursor {
  background: #111;
  mix-blend-mode: normal;
}

body[data-theme="light"] #cursor-ring {
  border-color: rgba(0, 0, 0, 0.16);
}

body[data-theme="light"] #progress-bar {
  background: rgba(0, 0, 0, 0.3);
}

body[data-theme="light"] #slide-counter,
body[data-theme="light"] #num-current {
  color: rgba(0, 0, 0, 0.45);
}

body[data-theme="light"] .sep {
  opacity: 0.35;
}

body[data-theme="light"] #slide-nav #nav-track {
  background: transparent;
}

body[data-theme="light"] #slide-nav #nav-indicator {
  background: rgba(0, 0, 0, 0.42);
}

body[data-theme="light"] #nav-track:hover {
  opacity: 1;
}

body[data-theme="light"] #nav-track::before {
  background: rgba(0, 0, 0, 0.08);
}

body[data-theme="light"] #nav-track:hover::before {
  background: rgba(0, 0, 0, 0.14);
}

body[data-theme="light"] #slide-nav {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

body[data-theme="light"] #slide-nav.is-active {
  border-color: transparent;
  background: transparent;
  box-shadow: none;
}

body[data-theme="light"] #slide-nav.is-active #nav-track::before,
body[data-theme="light"] #nav-track.is-dragging::before {
  background: rgba(0, 0, 0, 0.18);
}

body[data-theme="light"] #slide-nav.is-active #nav-indicator {
  box-shadow: 0 0 16px rgba(0,0,0,0.12);
}

body[data-theme="light"].is-action-hover #cursor-ring {
  border-color: rgba(0, 0, 0, 0.24);
  box-shadow: 0 0 16px rgba(0, 0, 0, 0.08);
}

#hover-hud {
  position: fixed;
  left: 24px;
  bottom: 24px;
  z-index: 9000;
  width: min(320px, 28vw);
  padding: 12px 14px 13px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow:
    0 16px 36px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.84);
  pointer-events: none;
  opacity: 0;
  transform: translate3d(0, 8px, 0) scale(0.985);
  transition:
    opacity 220ms var(--ease-out),
    transform 220ms var(--ease-out),
    box-shadow 220ms var(--ease-out),
    border-color 220ms var(--ease-out);
  will-change: transform, opacity;
}

#hover-hud.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

#hover-hud[data-kind="drag"] {
  width: min(300px, 26vw);
}

#hover-hud[data-kind="pick"] {
  width: min(260px, 22vw);
}

.hover-hud__kicker {
  display: inline-flex;
  align-items: center;
  min-height: 22px;
  padding: 0 9px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.58);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.48rem;
}

.hover-hud__title {
  display: block;
  margin-top: 8px;
  font-size: 0.95rem;
  line-height: 1.14;
  letter-spacing: -0.02em;
}

.hover-hud__detail {
  margin: 6px 0 0;
  color: rgba(255,255,255,0.64);
  line-height: 1.5;
  font-size: 0.78rem;
}

.hover-hud__meta {
  margin: 7px 0 0;
  color: rgba(255,255,255,0.42);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.48rem;
}

body[data-theme="light"] #hover-hud {
  border-color: rgba(0,0,0,0.08);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.82), rgba(255,255,255,0.46)),
    rgba(255,255,255,0.58);
  color: rgba(18,18,18,0.86);
  box-shadow:
    0 16px 32px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.82);
}

body[data-theme="light"] .hover-hud__kicker {
  border-color: rgba(0,0,0,0.08);
  background: rgba(0,0,0,0.03);
  color: rgba(18,18,18,0.58);
}

body[data-theme="light"] .hover-hud__detail {
  color: rgba(18,18,18,0.64);
}

body[data-theme="light"] .hover-hud__meta {
  color: rgba(18,18,18,0.42);
}

body[data-theme="light"] .slide h2,
body[data-theme="light"] .slide p {
  color: #151515;
}

body[data-theme="light"] .slide p.sub {
  color: rgba(21,21,21,0.56);
}

body[data-theme="light"]::after {
  background: radial-gradient(
    ellipse 85% 75% at 50% 50%,
    transparent 58%,
    rgba(0, 0, 0, 0.16) 100%
  );
}

/* ===== SLIDES CONTAINER ===== */
.slides {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 1;
}

/* ===== SLIDE BASE ===== */
.slide {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--slide-pad);
  min-width: 0;
  min-height: 0;
  /* Default: invisible, shifted down */
  opacity: 0;
  transform: translateY(var(--slide-shift)) scale(0.975);
  pointer-events: none;
  transition:
    opacity var(--slide-dur) ease,
    transform var(--slide-dur) var(--ease-out);
  will-change: transform, opacity;
  z-index: 1;
}

/* Slide above (already passed) */
.slide.is-before {
  opacity: 0;
  transform: translateY(calc(var(--slide-shift) * -1)) scale(0.975);
}

/* Active slide */
.slide.is-active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: all;
  z-index: 2;
}

/* Slide below (upcoming) — default state above covers this,
   but explicit for clarity */
.slide.is-after {
  opacity: 0;
  transform: translateY(var(--slide-shift)) scale(0.975);
}

/* ===== CANVAS ===== */
.has-canvas { overflow: hidden; }

.slide-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  opacity: 0.96;
  /* Canvas opacity controlled per-scene for fine-tuning */
}

.infra-step,
.infra-card,
.module-card,
.modules-feature,
.build-step,
.build-card,
.build-surface,
.build-assets,
.graphos-row,
.graphos-window__chip {
  touch-action: manipulation;
}

.slide[data-slide="graphos"] .slide-canvas {
  pointer-events: auto;
  touch-action: none;
  cursor: grab;
}

.slide[data-slide="bridge"] {
  justify-content: center;
}

.slide[data-slide="bridge"] .slide-canvas {
  opacity: 0.9;
}

.bridge-layout {
  width: min(100%, 1160px);
  min-height: calc(100svh - (var(--slide-pad) * 2));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  align-items: center;
  gap: clamp(28px, 4vw, 60px);
}

.bridge-copy {
  max-width: 620px;
  display: flex;
  flex-direction: column;
  gap: clamp(12px, 1.8vh, 18px);
}

.bridge-kicker {
  margin-top: 0;
  font-size: clamp(0.7rem, 0.92vw, 0.82rem);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.34);
}

.bridge-copy h2 {
  max-width: 12ch;
  font-size: clamp(2.75rem, 5.4vw, 5rem);
  line-height: 0.94;
  letter-spacing: -0.055em;
}

.bridge-lead {
  max-width: 560px;
  margin-top: 2px;
  font-size: clamp(1.02rem, 1.45vw, 1.16rem);
  color: rgba(255,255,255,0.58);
}

.bridge-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}

.bridge-question {
  appearance: none;
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.1);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.74);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  box-shadow:
    0 10px 26px rgba(0,0,0,0.12),
    inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(12px) saturate(118%);
  -webkit-backdrop-filter: blur(12px) saturate(118%);
  cursor: pointer;
  transition:
    transform 220ms var(--ease-out),
    border-color 220ms var(--ease-out),
    background 220ms var(--ease-out),
    color 220ms var(--ease-out),
    box-shadow 220ms var(--ease-out);
}

.bridge-question:hover,
.bridge-question:focus-visible,
.bridge-question.is-active {
  transform: translate3d(0, -2px, 0);
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.92);
  box-shadow:
    0 14px 30px rgba(0,0,0,0.16),
    inset 0 1px 0 rgba(255,255,255,0.08);
  outline: none;
}

.bridge-response {
  margin-top: 14px;
  padding: clamp(18px, 2.4vw, 24px);
  border-radius: clamp(22px, 2.8vw, 30px);
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  box-shadow:
    0 18px 42px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
}

.bridge-response__kicker {
  margin: 0;
  font-size: 0.6rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.42);
}

.bridge-response__title {
  margin-top: 10px;
  font-size: clamp(1.15rem, 1.9vw, 1.55rem);
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: rgba(255,255,255,0.94);
}

.bridge-response__body {
  margin-top: 10px;
  max-width: 48ch;
  font-size: clamp(0.92rem, 1.18vw, 1.05rem);
  line-height: 1.6;
  color: rgba(255,255,255,0.62);
}

.bridge-response__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.bridge-response__meta span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.72);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.52rem;
}

.bridge-answer {
  position: relative;
  padding: clamp(22px, 2.9vw, 30px);
  border-radius: clamp(26px, 3.2vw, 36px);
  border: 1px solid rgba(255,255,255,0.09);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.025);
  box-shadow:
    0 24px 60px rgba(0,0,0,0.32),
    inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  overflow: hidden;
}

.bridge-answer::before {
  content: '';
  position: absolute;
  inset: -20% -10% auto auto;
  width: 55%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(122, 146, 255, 0.18), transparent 70%);
  filter: blur(6px);
  pointer-events: none;
}

.bridge-answer__kicker {
  margin-top: 0;
  font-size: 0.66rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.52);
}

.bridge-answer__grid {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.bridge-answer__grid article {
  padding: 13px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
}

.bridge-answer__grid strong {
  display: block;
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.92);
}

.bridge-answer__grid span {
  display: block;
  margin-top: 6px;
  font-size: clamp(0.86rem, 1.05vw, 0.98rem);
  line-height: 1.55;
  color: rgba(255,255,255,0.52);
}

.bridge-answer__footer {
  margin-top: 16px;
  max-width: 34ch;
  font-size: clamp(0.9rem, 1.1vw, 1rem);
  color: rgba(255,255,255,0.64);
}

/* ===== SLIDE CONTENT ===== */
.slide-content {
  position: relative;
  z-index: 1;
  min-width: 0;
  max-width: 100%;
  /* Parallax is applied here via inline transform in JS */
}

.slide[data-slide="intro"] .slide-content,
.slide[data-slide="closing"] .slide-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.slide[data-slide="intro"] .slide-content {
  width: min(100%, 1180px);
  min-height: calc(100svh - (var(--slide-pad) * 2));
  justify-content: center;
}

.intro-content {
  position: relative;
}

.intro-shell {
  position: relative;
  z-index: 1;
  width: min(100%, 780px);
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(12px, 1.8vh, 20px);
  text-align: center;
}

.intro-note {
  position: static;
  align-self: center;
  width: fit-content;
  max-width: 100%;
  margin: 0;
  padding: 9px 13px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: rgba(255,255,255,0.56);
  font-size: clamp(0.62rem, 0.82vw, 0.76rem);
  line-height: 1.45;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-align: center;
  box-shadow:
    0 12px 28px rgba(0,0,0,0.14),
    inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(14px) saturate(118%);
  -webkit-backdrop-filter: blur(14px) saturate(118%);
  opacity: 0;
  transform: translate3d(0, 8px, 0);
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out);
}

.intro-eyebrow {
  margin-top: 0;
  font-size: clamp(0.72rem, 0.92vw, 0.82rem);
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.34);
}

.intro-title {
  margin-top: 0;
  max-width: 20ch;
  min-height: 2.6em;
  font-size: clamp(2.55rem, 5.35vw, 5rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
  text-wrap: balance;
  position: relative;
}

.intro-title::after {
  content: '';
  display: inline-block;
  width: 0.08em;
  height: 0.92em;
  margin-left: 0.15em;
  vertical-align: -0.12em;
  border-radius: 999px;
  background: currentColor;
  animation: intro-caret 1.05s steps(1, end) infinite;
}

@keyframes intro-caret {
  50% { opacity: 0; }
}

.intro-sub {
  margin-top: 0;
  max-width: 620px;
  color: rgba(255,255,255,0.54);
  text-wrap: balance;
}

.intro-sub--secondary {
  max-width: 680px;
  color: rgba(255,255,255,0.40);
}

.intro-nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 16px;
  margin-top: clamp(10px, 1.8vh, 18px);
  padding: 14px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.80);
  font-size: clamp(0.82rem, 0.98vw, 0.95rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  text-align: center;
  max-width: min(100%, 680px);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  box-shadow:
    0 12px 28px rgba(0,0,0,0.16),
    inset 0 1px 0 rgba(255,255,255,0.08);
  opacity: 0;
  transform: translate3d(0, 10px, 0);
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out),
    border-color 260ms var(--ease-out),
    background 260ms var(--ease-out),
    box-shadow 260ms var(--ease-out);
}

.intro-nav__icon {
  width: 1.75em;
  height: 1.75em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.88);
  font-size: 0.95rem;
  flex: 0 0 auto;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    0 8px 20px rgba(0,0,0,0.12);
}

.slide.is-active .slide-content .intro-note {
  opacity: 0.78;
  transform: translate3d(0, 0, 0);
}

.slide.is-active .intro-nav {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  transition-delay: 0.62s;
}

.slide[data-slide="founder"] .slide-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
}

.ea-wordmark {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 0.08rem;
  color: var(--theme-fg);
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 0.95;
  letter-spacing: 0;
  opacity: 0;
  transform:
    translate3d(0, 14px, 0)
    scale(0.985);
  transform-origin: center center;
  will-change: transform, opacity;
  overflow: visible;
  backface-visibility: hidden;
}

.ea-wordmark.is-animated {
  animation: founder-wordmark-in 920ms var(--ease-out) forwards;
}

.ea-wordmark--hero {
  font-size: clamp(2.35rem, 4.8vw, 3.7rem);
}

.ea-wordmark--founder {
  font-size: clamp(2.15rem, 4.2vw, 3.35rem);
}

.ea-wordmark--compact {
  font-size: clamp(1.65rem, 3vw, 2.45rem);
  opacity: 0.95;
}

.ea-wordmark .ea-electronic {
  font-weight: 200;
  letter-spacing: 0.005em;
  font-size: 0.79em;
  opacity: 1;
  transform: none;
  transition: transform 240ms var(--ease-out);
  will-change: transform;
}

.ea-wordmark .ea-artefacts {
  font-weight: 760;
  letter-spacing: -0.02em;
  font-size: 1.22em;
  opacity: 1;
  transform: none;
  transition: transform 240ms var(--ease-out);
  will-change: transform;
}

.ea-wordmark:hover .ea-electronic {
  transform: translateY(-0.25px);
}

.ea-wordmark:hover .ea-artefacts {
  transform: translateY(-0.35px) scale(1.01);
}

@keyframes founder-wordmark-in {
  0% {
    opacity: 0;
    transform: translate3d(0, 18px, 0) scale(0.97);
  }
  62% {
    opacity: 1;
    transform: translate3d(0, -1px, 0) scale(1.01);
  }
  100% {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* ===== TYPOGRAPHY ===== */
h2 {
  font-size: clamp(2rem, 3.8vw, 3.2rem);
  font-weight: 500;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: rgba(255, 255, 255, 0.93);
}

h2 + h2 { margin-top: 0.12em; }

p {
  margin-top: 22px;
  font-size: clamp(0.95rem, 1.4vw, 1.15rem);
  color: var(--theme-muted);
  max-width: 600px;
  line-height: 1.65;
  font-weight: 300;
}

p.tagline {
  font-size: clamp(1.1rem, 1.8vw, 1.5rem);
  color: rgba(255, 255, 255, 0.48);
  font-weight: 400;
  letter-spacing: 0.01em;
  margin-top: 14px;
}

p.sub {
  font-size: clamp(0.82rem, 1.1vw, 0.96rem);
  color: rgba(255, 255, 255, 0.42);
  margin-top: 14px;
  font-weight: 400;
}

.vestiges-slide {
  background:
    radial-gradient(circle at 50% 30%, rgba(255,255,255,1), rgba(249,249,247,1) 45%, rgba(243,243,240,1) 100%);
  color: #131313;
  overflow: hidden;
}

.vestiges-slide::before {
  background:
    radial-gradient(circle at 18% 28%, rgba(0,0,0,0.07), transparent 18%),
    radial-gradient(circle at 76% 18%, rgba(0,0,0,0.05), transparent 16%),
    radial-gradient(circle at 50% 82%, rgba(0,0,0,0.06), transparent 22%);
  opacity: 0.55;
}

.vestiges-slide::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255,255,255,0.35), rgba(255,255,255,0.35)),
    repeating-linear-gradient(
      0deg,
      rgba(0, 0, 0, 0.025) 0,
      rgba(0, 0, 0, 0.025) 1px,
      transparent 1px,
      transparent 6px
    ),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.65) 0,
      rgba(255, 255, 255, 0.65) 1px,
      transparent 1px,
      transparent 7px
    );
  mix-blend-mode: multiply;
  opacity: 0.28;
}

.vestiges-slide h2,
.vestiges-slide p {
  color: #151515;
}

.vestiges-slide p.sub {
  color: rgba(21,21,21,0.56);
}

.vestiges-canvas {
  z-index: 0;
  opacity: 0.9;
}

.vestiges-atmosphere {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at 50% 44%, rgba(255, 255, 255, 0.92), transparent 18%),
    radial-gradient(circle at 47% 48%, rgba(0, 0, 0, 0.05), transparent 24%),
    radial-gradient(circle at 50% 72%, rgba(0, 0, 0, 0.03), transparent 30%);
  filter: blur(0.2px);
  z-index: 0;
}

.vestiges-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 7vh 6vw 6vh;
  transform: translate3d(var(--vestige-x, 0px), var(--vestige-y, 0px), 0) scale(var(--vestige-scale, 1));
  transition: transform 0.8s var(--ease-out), opacity 0.8s var(--ease-out);
  opacity: 0;
}

.slide.is-active .vestiges-stage {
  opacity: 1;
}

.vestiges-floaters {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transform:
    translate3d(var(--vestige-floaters-x, 0px), var(--vestige-floaters-y, 0px), 0)
    scale(var(--vestige-floaters-scale, 1));
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}

.vestiges-floaters--back {
  z-index: 0;
}

.vestiges-floaters--front {
  z-index: 2;
  mix-blend-mode: normal;
}

.slide.is-active .vestiges-floaters {
  opacity: 1;
}

.vestiges-floater {
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  transform:
    translate3d(var(--fx), var(--fy), 0)
    translate(-50%, -50%)
    scale(var(--fs, 1))
    rotate(var(--fr, 0deg));
  transform-style: preserve-3d;
  animation:
    vestigeFloat var(--fd, 18s) ease-in-out infinite;
  animation-delay: var(--fo, 0s);
  filter: drop-shadow(0 18px 24px rgba(89, 70, 48, 0.10));
  opacity: 0.72;
  will-change: transform, opacity;
}

.vestiges-floaters--front .vestiges-floater {
  opacity: 0.55;
  filter: drop-shadow(0 24px 28px rgba(0, 0, 0, 0.10));
}

.vestiges-floater::before,
.vestiges-floater::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.vestiges-floater--orb {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 28% 28%, rgba(255,255,255,1), rgba(238,238,238,0.96) 18%, rgba(205,205,205,0.82) 42%, rgba(150,150,150,0.35) 66%, rgba(0,0,0,0.18) 84%, rgba(0,0,0,0) 100%);
  box-shadow:
    inset -18px -24px 30px rgba(0, 0, 0, 0.10),
    inset 10px 14px 18px rgba(255, 255, 255, 0.80);
}

.vestiges-floater--orb::before {
  border-radius: 50%;
  background:
    radial-gradient(circle at 34% 30%, rgba(255,255,255,1), transparent 26%),
    radial-gradient(circle at 64% 66%, rgba(0, 0, 0, 0.18), transparent 52%);
  mix-blend-mode: screen;
  opacity: 0.88;
}

.vestiges-floater--ring {
  width: 112px;
  height: 112px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.08) 0 38%, rgba(0,0,0,0.92) 39% 49%, rgba(255,255,255,0.08) 50% 100%);
  box-shadow:
    inset 0 0 0 12px rgba(255,255,255,0.20),
    inset 0 -18px 26px rgba(0, 0, 0, 0.14);
}

.vestiges-floater--ring::before {
  inset: 14px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 28% 28%, rgba(255,255,255,0.95), rgba(255,255,255,0.14) 24%, rgba(255,255,255,0) 56%);
  mix-blend-mode: screen;
  opacity: 0.65;
}

.vestiges-floater--shard {
  width: 108px;
  height: 74px;
  clip-path: polygon(8% 70%, 23% 18%, 70% 8%, 92% 38%, 78% 92%, 30% 84%);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.95), rgba(225,225,225,0.9) 24%, rgba(140,140,140,0.48) 58%, rgba(0,0,0,0.18) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.72),
    inset -10px -14px 18px rgba(0, 0, 0, 0.10);
}

.vestiges-floater--shard::before {
  inset: 7px 14px 10px 10px;
  clip-path: polygon(8% 70%, 23% 18%, 70% 8%, 92% 38%, 78% 92%, 30% 84%);
  background:
    linear-gradient(140deg, rgba(255,255,255,0.75), rgba(255,255,255,0) 42%);
  opacity: 0.9;
}

.vestiges-floater--tablet {
  width: 92px;
  height: 128px;
  border-radius: 30px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.98), rgba(231,231,231,0.84) 34%, rgba(0,0,0,0.24) 100%);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.8),
    inset -16px -18px 26px rgba(0, 0, 0, 0.10);
}

.vestiges-floater--tablet::before {
  inset: 14px 16px 18px;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(255,255,255,0.76), rgba(255,255,255,0) 38%),
    radial-gradient(circle at 50% 64%, rgba(0, 0, 0, 0.20), transparent 56%);
  opacity: 0.84;
}

.vestiges-floater--fragment {
  width: 76px;
  height: 76px;
  border-radius: 42% 58% 46% 54% / 46% 44% 56% 54%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255,255,255,0.98), rgba(225,225,225,0.94) 24%, rgba(160,160,160,0.60) 58%, rgba(0,0,0,0.16) 100%);
  box-shadow:
    inset -14px -18px 20px rgba(0, 0, 0, 0.10),
    inset 10px 12px 16px rgba(255,255,255,0.78);
}

.vestiges-floater--fragment::before {
  inset: 10px;
  border-radius: inherit;
  background:
    linear-gradient(120deg, rgba(255,255,255,0.9), rgba(255,255,255,0) 34%),
    radial-gradient(circle at 66% 70%, rgba(0, 0, 0, 0.14), transparent 52%);
  opacity: 0.94;
}

.vestiges-floater--fragment::after {
  inset: 24px 20px 20px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.85), rgba(255,255,255,0));
  opacity: 0.5;
}

.vestiges-copy {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: 100%;
  display: grid;
  grid-template-rows: 1fr auto 1fr;
  justify-items: center;
  align-items: center;
  text-align: center;
  gap: 0;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.vestiges-copy::before {
  content: none;
}

.vestiges-brand {
  position: relative;
  z-index: 1;
  grid-row: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.vestiges-logo {
  position: relative;
  z-index: 1;
  width: min(180px, 34vw);
  max-width: 180px;
  height: auto;
  display: block;
  filter: drop-shadow(0 10px 18px rgba(68, 49, 31, 0.08));
}

.vestiges-kicker {
  position: relative;
  z-index: 1;
  margin-top: 0;
  color: rgba(21,21,21,0.52);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  font-weight: 500;
}

.vestiges-copy h2 {
  position: relative;
  z-index: 1;
  font-size: clamp(2.8rem, 5.8vw, 5.4rem);
  letter-spacing: -0.07em;
  margin: 0;
}

.vestiges-footer {
  position: relative;
  z-index: 1;
  grid-row: 3;
  align-self: end;
  width: min(100%, 760px);
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-bottom: 4px;
}

.vestiges-pitch {
  position: relative;
  z-index: 1;
  max-width: 42rem;
  margin-top: 4px;
  font-size: clamp(1rem, 1.4vw, 1.2rem);
  color: rgba(21,21,21,0.82);
}

.vestiges-copy .sub {
  position: relative;
  z-index: 1;
  max-width: 32rem;
  margin-top: 4px;
  color: rgba(21,21,21,0.56);
}

.vestiges-social {
  position: relative;
  z-index: 1;
  margin-top: 6px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: #111;
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(21,21,21,0.22);
  transition: opacity 0.35s var(--ease-out), transform 0.35s var(--ease-out);
}

.vestiges-social:hover {
  opacity: 0.72;
  transform: translate3d(0, -1px, 0);
}

.slide.is-active .vestiges-copy {
  transform: translate3d(0, 0, 0) scale(1);
}

@keyframes vestigeFloat {
  0%, 100% {
    transform:
      translate3d(var(--fx), calc(var(--fy) - 8px), 0)
      translate(-50%, -50%)
      scale(var(--fs, 1))
      rotate(calc(var(--fr, 0deg) - 5deg));
  }
  50% {
    transform:
      translate3d(calc(var(--fx) + 0px), calc(var(--fy) + 10px), 0)
      translate(-50%, -50%)
      scale(var(--fs, 1))
      rotate(calc(var(--fr, 0deg) + 6deg));
  }
}

/* ===== TEXT REVEAL =====
   Key mechanic: transitions are ONLY defined inside .is-active
   So on exit, transition is removed → element snaps to hidden instantly,
   ready to animate in again next time the slide is visited.
*/
.slide h2,
.slide p {
  opacity: 0;
  transform: translate3d(var(--text-shift-x), calc(14px + var(--text-shift-y)), 0) rotate(var(--text-rot));
  /* No transition here — snap to hidden on exit */
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out);
  will-change: transform, opacity;
}

/* When slide becomes active: reveal with stagger */
.slide.is-active .slide-content h2 {
  opacity: 0.93;
  transform: translate3d(var(--text-shift-x), var(--text-shift-y), 0) rotate(var(--text-rot));
}

.slide.is-active .slide-content h2:nth-child(1) { transition-delay: 0.08s; }
.slide.is-active .slide-content h2:nth-child(2) { transition-delay: 0.20s; }
.slide.is-active .slide-content h2:nth-child(3) { transition-delay: 0.32s; }

.slide.is-active .slide-content p {
  opacity: 0.62;
  transform: translate3d(var(--text-shift-x), var(--text-shift-y), 0) rotate(var(--text-rot));
}

.slide.is-active .slide-content p:first-of-type  { transition-delay: 0.18s; }
.slide.is-active .slide-content p:nth-of-type(2) { transition-delay: 0.28s; }
.slide.is-active .slide-content p:nth-of-type(3) { transition-delay: 0.38s; }

.slide.is-active .slide-content a {
  opacity: 0.55;
  transform: translate3d(var(--text-shift-x), var(--text-shift-y), 0) rotate(var(--text-rot));
}

.slide.is-active .slide-content p.tagline { opacity: 0.48; }
.slide.is-active .slide-content p.sub     { opacity: 0.42; }

/* ===== USE CASES SLIDE ===== */

.usecases-slide {
  --uc-active: 124,160,255;
}

.usecases-shell {
  position: absolute;
  inset: var(--slide-pad);
  z-index: 1;
  display: grid;
  grid-template-columns: clamp(220px, 26vw, 320px) 1fr;
  grid-template-rows: auto 1fr auto;
  column-gap: clamp(36px, 5vw, 72px);
}

/* — Header row — */
.usecases-hd {
  grid-column: 1 / -1;
  padding-bottom: clamp(14px, 2.2vh, 26px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: clamp(14px, 2.2vh, 26px);
}

.usecases-hd__kicker {
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.3);
  margin-bottom: 0.38em;
}

.usecases-hd__headline {
  font-size: clamp(0.98rem, 1.4vw, 1.25rem);
  font-weight: 300;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.58);
  line-height: 1.3;
}

/* — Drum selector — */
.uc-drum {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-self: center;
  padding-left: 26px;
}

.uc-drum__rail {
  position: absolute;
  left: 0;
  top: 8%;
  bottom: 8%;
  width: 1px;
  background: linear-gradient(
    to bottom,
    transparent,
    rgba(255,255,255,0.07) 20%,
    rgba(var(--uc-active), 0.22) 50%,
    rgba(255,255,255,0.07) 80%,
    transparent
  );
  transition: background 500ms ease;
}

.uc-drum__item {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: clamp(9px, 1.4vh, 14px) 0;
  background: none;
  border: none;
  color: inherit;
  font-family: inherit;
  cursor: pointer;
  text-align: left;
  -webkit-tap-highlight-color: transparent;
  outline: none;
}

.uc-drum__item::before {
  content: '';
  position: absolute;
  left: -26px;
  top: 10%;
  bottom: 10%;
  width: 2px;
  background: transparent;
  border-radius: 999px;
  transition: background 300ms ease;
}

.uc-drum__item.is-active::before {
  background: rgba(var(--uc-active), 0.75);
}

.uc-drum__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.16);
  background: transparent;
  flex-shrink: 0;
  margin-top: 5px;
  transition:
    width 320ms cubic-bezier(0.16,1,0.3,1),
    height 320ms cubic-bezier(0.16,1,0.3,1),
    background 320ms ease,
    border-color 320ms ease,
    box-shadow 320ms ease,
    margin-top 320ms ease;
}

.uc-drum__item.is-active .uc-drum__dot {
  width: 9px;
  height: 9px;
  margin-top: 3px;
  background: rgb(var(--uc-active));
  border-color: rgba(var(--uc-active), 0.5);
  box-shadow: 0 0 14px 4px rgba(var(--uc-active), 0.3);
}

.uc-drum__body {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.uc-drum__name {
  display: block;
  font-size: clamp(0.96rem, 1.15vw, 1.1rem);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: rgba(255,255,255,0.22);
  line-height: 1.2;
  transition:
    font-size 340ms cubic-bezier(0.16,1,0.3,1),
    color 300ms ease,
    letter-spacing 340ms ease;
}

.uc-drum__item.is-active .uc-drum__name {
  font-size: clamp(1.5rem, 2vw, 2rem);
  font-weight: 500;
  color: rgb(var(--uc-active));
  letter-spacing: -0.025em;
}

.uc-drum__item:not(.is-active):hover .uc-drum__name {
  color: rgba(255,255,255,0.44);
}

.uc-drum__item:focus-visible .uc-drum__name {
  color: rgba(255,255,255,0.56);
}

.uc-drum__sub {
  display: block;
  font-size: 0.78rem;
  line-height: 1.52;
  color: rgba(255,255,255,0.4);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  transition:
    max-height 400ms cubic-bezier(0.16,1,0.3,1),
    opacity 300ms ease,
    margin-top 300ms ease;
}

.uc-drum__item.is-active .uc-drum__sub {
  max-height: 80px;
  opacity: 1;
  margin-top: 7px;
}

.uc-drum__count {
  display: block;
  font-size: 0.64rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(var(--uc-active), 0.5);
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  margin-top: 0;
  transition:
    max-height 400ms cubic-bezier(0.16,1,0.3,1),
    opacity 300ms ease,
    margin-top 300ms ease;
}

.uc-drum__item.is-active .uc-drum__count {
  max-height: 36px;
  opacity: 1;
  margin-top: 6px;
}

/* — Case field — */
.uc-field {
  align-self: center;
  overflow: hidden;
  min-height: 0;
}

.uc-field__inner {
  transition: opacity 180ms ease, transform 180ms ease;
}

.uc-field__inner.is-exiting {
  opacity: 0;
  transform: translateX(-14px);
  pointer-events: none;
}

@keyframes uc-field-enter {
  from { opacity: 0; transform: translateX(18px); }
  to   { opacity: 1; transform: translateX(0); }
}

.uc-field__inner.is-entering {
  animation: uc-field-enter 380ms cubic-bezier(0.16,1,0.3,1) both;
}

.uc-field__header {
  margin-bottom: clamp(12px, 1.8vh, 22px);
}

.uc-field__eyebrow {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 4px;
  transition: color 400ms ease;
}

.uc-field__desc {
  font-size: clamp(0.8rem, 0.95vw, 0.88rem);
  color: rgba(255,255,255,0.38);
  line-height: 1.55;
}

.uc-field__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  align-content: flex-start;
}

/* Case chips */
.uc-case {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  font-weight: 500;
  letter-spacing: 0.03em;
  cursor: default;
  white-space: nowrap;
  border: 1px solid rgba(var(--uc-a), 0.14);
  background: rgba(var(--uc-a), 0.05);
  color: rgba(var(--uc-a), 0.65);
  transition:
    background 200ms ease,
    border-color 200ms ease,
    color 200ms ease,
    transform 200ms ease,
    opacity 200ms ease,
    box-shadow 200ms ease;
  animation: uc-case-in 280ms ease calc(var(--uc-delay, 0ms) + 60ms) both;
}

@keyframes uc-case-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.uc-case--primary {
  height: 40px;
  padding: 0 18px;
  font-size: clamp(0.86rem, 1.05vw, 0.98rem);
  border-color: rgba(var(--uc-a), 0.24);
  color: rgba(var(--uc-a), 0.88);
  background: rgba(var(--uc-a), 0.09);
}

.uc-case--secondary {
  height: 33px;
  padding: 0 14px;
  font-size: clamp(0.76rem, 0.92vw, 0.86rem);
}

.uc-case--tertiary {
  height: 27px;
  padding: 0 11px;
  font-size: 0.71rem;
  opacity: 0.68;
}

.uc-case:hover {
  background: rgba(var(--uc-a), 0.18);
  border-color: rgba(var(--uc-a), 0.5);
  color: rgba(var(--uc-a), 1);
  box-shadow: 0 0 18px rgba(var(--uc-a), 0.18), inset 0 0 0 1px rgba(var(--uc-a), 0.08);
  opacity: 1;
}

.uc-field__grid:has(.uc-case:hover) .uc-case:not(:hover) {
  opacity: 0.24;
}

/* — Footer hint — */
.usecases-ft {
  grid-column: 1 / -1;
  padding-top: clamp(10px, 1.6vh, 18px);
  border-top: 1px solid rgba(255,255,255,0.04);
  margin-top: clamp(10px, 1.6vh, 18px);
}

.usecases-ft__hint {
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.2);
}

.slide[data-slide="continuum"] h2 {
  font-size: clamp(2.2rem, 5vw, 4.8rem);
  letter-spacing: -0.04em;
}

.continuum-stage {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 28px;
  opacity: 0;
  transform: translate3d(var(--vestige-x, 0px), var(--vestige-y, 0px), 0) scale(var(--vestige-scale, 1));
  transition: transform 0.8s var(--ease-out), opacity 0.8s var(--ease-out);
}

.slide.is-active .continuum-stage {
  opacity: 1;
}

.continuum-stage .vestiges-floaters--back {
  z-index: 0;
}

.continuum-stage .vestiges-floaters--front {
  z-index: 2;
}

.slide[data-slide="phases"] .slide-content {
  width: min(920px, 86vw);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  min-height: 100%;
}

.slide[data-slide="phases"] h2 {
  margin-bottom: 18px;
  text-align: center;
}

.phase-timeline {
  position: relative;
  width: min(840px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 40px;
  align-items: start;
  justify-items: center;
}

.phase-track {
  position: absolute;
  left: 14%;
  right: 14%;
  top: 22px;
  height: 1px;
  background:
    linear-gradient(90deg, rgba(0,0,0,0.05), rgba(0,0,0,0.26), rgba(0,0,0,0.05));
  opacity: 0.7;
}

.phase-node {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-top: 20px;
  opacity: 0;
  transform: translateY(14px);
  animation: phaseAppear 900ms var(--ease-out) forwards;
  text-align: center;
  align-items: center;
}

.phase-node:nth-child(2) { animation-delay: 120ms; }
.phase-node:nth-child(3) { animation-delay: 240ms; }
.phase-node:nth-child(4) { animation-delay: 360ms; }

.phase-node::before {
  content: '';
  position: absolute;
  top: 12px;
  left: 50%;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  transform: translateX(-50%);
  background: #111;
  box-shadow: 0 0 0 12px rgba(0,0,0,0.035);
}

.phase-node strong {
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  font-weight: 600;
  letter-spacing: 0.01em;
  text-align: center;
}

.phase-node em {
  font-style: normal;
  font-size: 0.8rem;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: rgba(21,21,21,0.52);
  text-align: center;
}

.phase-node--knowledge { animation-delay: 80ms; }
.phase-node--curation { animation-delay: 220ms; }
.phase-node--market { animation-delay: 360ms; }

.phase-node--knowledge::before { background: #0f0f0f; }
.phase-node--curation::before { background: rgba(0,0,0,0.72); }
.phase-node--market::before { background: rgba(0,0,0,0.86); }

.continuum-flow {
  width: min(920px, 82vw);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 0;
  flex-wrap: wrap;
}

.continuum-word {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-size: clamp(2.15rem, 4.8vw, 4.9rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  opacity: 0.35;
  transform: translateY(10px) scale(0.96);
  transition:
    opacity 760ms var(--ease-out),
    transform 760ms var(--ease-out),
    filter 760ms var(--ease-out);
}

.continuum-word--knowledge { animation: continuumPulse 4.8s ease-in-out infinite; }
.continuum-word--desire { animation: continuumPulse 4.8s ease-in-out infinite 0.38s; }
.continuum-word--acquisition { animation: continuumPulse 4.8s ease-in-out infinite 0.76s; }

.slide.is-active .continuum-word {
  opacity: 0.72;
  transform: translateY(0) scale(1);
}

.slide.is-active .continuum-word--knowledge {
  animation: continuumWordKnowledge 4.8s ease-in-out infinite;
}

.slide.is-active .continuum-word--desire {
  animation: continuumWordDesire 4.8s ease-in-out infinite;
}

.slide.is-active .continuum-word--acquisition {
  animation: continuumWordAcquisition 4.8s ease-in-out infinite;
}

@keyframes phaseAppear {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes continuumPulse {
  0%, 100% { opacity: 0.26; transform: translateY(12px) scale(0.96); }
  50% { opacity: 0.78; transform: translateY(0) scale(1); }
}

@keyframes continuumWordKnowledge {
  0%, 100% { opacity: 0.34; transform: translateY(12px) scale(0.97); }
  18%, 32% { opacity: 0.86; transform: translateY(0) scale(1.01); }
  45% { opacity: 0.52; transform: translateY(-2px) scale(0.99); }
}

@keyframes continuumWordDesire {
  0%, 100% { opacity: 0.3; transform: translateY(12px) scale(0.97); }
  36%, 52% { opacity: 0.88; transform: translateY(0) scale(1.02); }
  64% { opacity: 0.54; transform: translateY(-2px) scale(0.99); }
}

@keyframes continuumWordAcquisition {
  0%, 100% { opacity: 0.28; transform: translateY(12px) scale(0.97); }
  58%, 74% { opacity: 0.9; transform: translateY(0) scale(1.02); }
  88% { opacity: 0.56; transform: translateY(-2px) scale(0.99); }
}

.slide[data-slide="continuum"] .slide-content {
  opacity: 1;
  pointer-events: auto;
}

.slide[data-slide="positioning"] h2 {
  font-size: clamp(2.3rem, 5vw, 4.2rem);
}

.slide[data-slide="positioning"] .slide-content {
  max-width: min(720px, 70vw);
}

.slide[data-slide="modules"] .slide-content {
  align-self: flex-start;
  max-width: min(620px, 48vw);
  margin-top: 5vh;
  z-index: 2;
}

.slide[data-slide="modules"] h2 {
  font-size: clamp(2.4rem, 4.8vw, 4.4rem);
  letter-spacing: -0.05em;
}

.slide[data-slide="modules"] p {
  max-width: 520px;
}

.slide[data-slide="modules"] .sub {
  max-width: 420px;
}

.slide[data-slide="contact"] .slide-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
}

.contact-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: min(420px, 74vw);
  padding: 16px 26px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.12);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.9);
  text-decoration: none;
  letter-spacing: 0.01em;
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  transition:
    transform 260ms var(--ease-out),
    opacity 260ms var(--ease-out);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  box-shadow:
    0 14px 32px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.08);
}

.contact-cta:hover {
  transform: translateY(-1px);
  border-color: rgba(255,255,255,0.2);
  background: rgba(255,255,255,0.08);
  color: #fff;
}

body[data-theme="light"] .contact-cta {
  border-color: rgba(0,0,0,0.12);
  background: rgba(255,255,255,0.72);
  color: #141414;
  box-shadow:
    0 14px 32px rgba(0,0,0,0.08),
    inset 0 1px 0 rgba(255,255,255,0.9);
}

body[data-theme="light"] .contact-cta:hover {
  opacity: 0.92;
}

.slide[data-slide="horizon"] .slide-canvas {
  opacity: 0.84;
}

.slide[data-slide="horizon"] .slide-content {
  width: min(1220px, 92vw);
  margin: 0 auto;
  z-index: 2;
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(360px, 1.08fr);
  gap: clamp(28px, 4vw, 72px);
  align-items: center;
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
}

.slide[data-slide="horizon"] .slide-content::-webkit-scrollbar {
  display: none;
}

.horizon-copy {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  max-width: 560px;
}

.slide[data-slide="horizon"] h2 {
  max-width: 12ch;
  font-size: clamp(2.4rem, 5.2vw, 4.9rem);
  letter-spacing: -0.055em;
}

.horizon-lead {
  max-width: 44ch;
  font-size: clamp(0.98rem, 1.2vw, 1.12rem);
  line-height: 1.72;
  color: rgba(255,255,255,0.64);
}

.horizon-note {
  max-width: 30ch;
}

.horizon-timeline {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 18px 0 18px 28px;
}

.horizon-track {
  position: absolute;
  left: 12px;
  top: 18px;
  bottom: 18px;
  width: 1px;
  background:
    linear-gradient(180deg,
      rgba(255,255,255,0.02),
      rgba(255,255,255,0.16) 14%,
      rgba(255,255,255,0.10) 50%,
      rgba(255,255,255,0.16) 84%,
      rgba(255,255,255,0.02));
  opacity: 0.9;
}

.horizon-stage {
  position: relative;
  padding: 20px 20px 18px 24px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,0.09);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.065), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.025);
  box-shadow:
    0 18px 40px rgba(0,0,0,0.16),
    inset 0 1px 0 rgba(255,255,255,0.08);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  opacity: 0;
  transform: translate3d(0, 18px, 0) scale(0.985);
  transition:
    opacity 0.74s var(--ease-out),
    transform 0.74s var(--ease-out),
    border-color 0.24s var(--ease-out),
    background 0.24s var(--ease-out),
    box-shadow 0.24s var(--ease-out);
}

.slide.is-active .horizon-stage {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.slide.is-active .horizon-stage:nth-child(2) { transition-delay: 0.08s; }
.slide.is-active .horizon-stage:nth-child(3) { transition-delay: 0.18s; }
.slide.is-active .horizon-stage:nth-child(4) { transition-delay: 0.28s; }

.horizon-stage::before {
  content: '';
  position: absolute;
  left: -32px;
  top: 28px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(255,255,255,0.28);
  box-shadow:
    0 0 0 10px rgba(255,255,255,0.035),
    0 0 20px rgba(255,255,255,0.08);
}

.horizon-stage:hover {
  border-color: rgba(255,255,255,0.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.09), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.035);
  box-shadow:
    0 22px 48px rgba(0,0,0,0.22),
    0 0 32px rgba(124,160,255,0.06),
    inset 0 1px 0 rgba(255,255,255,0.10);
  transform: translate3d(4px, -1px, 0) scale(1.01);
}

.horizon-stage:focus-visible {
  outline: none;
  border-color: rgba(255,255,255,0.18);
}

.horizon-stage__kicker {
  display: inline-flex;
  margin-bottom: 6px;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.46);
}

.horizon-stage strong {
  display: block;
  max-width: 18ch;
  font-size: clamp(1.05rem, 1.35vw, 1.2rem);
  font-weight: 600;
  letter-spacing: -0.015em;
  color: rgba(255,255,255,0.95);
}

.horizon-stage p {
  max-width: 46ch;
  margin-top: 8px;
  font-size: clamp(0.86rem, 1.02vw, 0.98rem);
  line-height: 1.62;
  color: rgba(255,255,255,0.58);
}

.horizon-stage__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.horizon-stage__chips span {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 7px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.74);
  font-size: 0.68rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.horizon-closing {
  max-width: 30ch;
  margin-top: 10px;
  padding-top: 16px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: clamp(1rem, 1.3vw, 1.22rem);
  line-height: 1.58;
  letter-spacing: -0.02em;
  color: rgba(255,255,255,0.82);
  text-align: left;
}

.slide[data-slide="modules"] {
  --module-x: 50%;
  --module-y: 50%;
}

.modules-orbits {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}

.module-pill {
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 50%);
  transform: translate(-50%, -50%);
  min-width: 92px;
  padding: 11px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  background: rgba(255, 255, 255, 0.05);
  color: rgba(255, 255, 255, 0.78);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
  opacity: 0;
  will-change: transform, opacity, left, top;
  transition:
    opacity 0.45s var(--ease-out),
    transform 0.45s var(--ease-out);
}

.slide.is-active[data-slide="modules"] .module-pill {
  opacity: 1;
}

.slide.is-before[data-slide="modules"] .module-pill,
.slide.is-after[data-slide="modules"] .module-pill {
  opacity: 0;
}

.slide[data-slide="modules"] .module-pill::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.08),
    rgba(255, 255, 255, 0.02)
  );
  pointer-events: none;
}

.slide[data-slide="modules"] .slide-content {
  align-self: stretch;
  width: 100%;
  max-width: min(1180px, 92vw);
  margin-top: 0;
  z-index: 2;
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.slide[data-slide="modules"] .slide-content::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.slide[data-slide="modules"] {
  justify-content: flex-start;
}

.modules-layout {
  display: grid;
  gap: clamp(20px, 2.8vw, 32px);
}

.modules-intro {
  display: grid;
  gap: 10px;
  max-width: min(700px, 58vw);
}

.modules-kicker {
  margin: 0;
  color: rgba(255,255,255,0.46);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.54rem;
}

.modules-intro p {
  max-width: 60ch;
}

.modules-store {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(16px, 2.4vw, 26px);
  align-items: stretch;
}

.modules-feature,
.module-card {
  position: relative;
  overflow: hidden;
  opacity: 0;
  transform: translate3d(0, 16px, 0) scale(0.985);
  transition:
    opacity 0.45s var(--ease-out),
    transform 0.55s var(--ease-out),
    box-shadow 0.25s var(--ease-out),
    border-color 0.25s var(--ease-out),
    background 0.25s var(--ease-out);
  will-change: transform, opacity;
}

.modules-feature {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(18px, 2.2vw, 26px);
  border-radius: 28px;
  border: 1px solid rgba(255,255,255,0.11);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  backdrop-filter: blur(22px) saturate(128%);
  -webkit-backdrop-filter: blur(22px) saturate(128%);
  box-shadow:
    0 20px 50px rgba(0,0,0,0.20),
    inset 0 1px 0 rgba(255,255,255,0.08);
  cursor: pointer;
}

.modules-feature::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    radial-gradient(circle at 18% 0%, rgba(255,255,255,0.12), transparent 30%),
    radial-gradient(circle at 84% 14%, var(--module-accent, rgba(124,160,255,0.22)), transparent 32%),
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0));
  opacity: 0.92;
  pointer-events: none;
}

.modules-feature::after {
  content: '';
  position: absolute;
  inset: auto -20% -40% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--module-accent, rgba(124,160,255,0.18)) 0%, rgba(124,160,255,0) 70%);
  opacity: 0.7;
  pointer-events: none;
  mix-blend-mode: screen;
}

.modules-feature__top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modules-feature__eyebrow {
  color: rgba(255,255,255,0.42);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.54rem;
}

.modules-feature__status {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.76);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.52rem;
}

.modules-feature strong {
  position: relative;
  z-index: 1;
  display: block;
  max-width: 15ch;
  font-size: clamp(1.55rem, 2.9vw, 2.35rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.modules-feature p {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 34ch;
  color: rgba(255,255,255,0.60);
}

.modules-feature__chips {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.modules-feature__chips span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.70);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.51rem;
}

.modules-feature__meta {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.42);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.52rem;
}

.modules-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.modules-premium {
  position: relative;
  grid-column: 1 / -1;
  display: grid;
  gap: 12px;
  padding: 16px 0 0;
}

.modules-premium__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.modules-premium__eyebrow,
.modules-premium__status {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.52rem;
  color: rgba(255,255,255,0.42);
}

.modules-premium__status {
  color: rgba(255,255,255,0.58);
}

.modules-premium__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.modules-capacity {
  position: relative;
  overflow: hidden;
  padding: 14px 14px 13px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.018);
  backdrop-filter: blur(18px) saturate(124%);
  -webkit-backdrop-filter: blur(18px) saturate(124%);
  box-shadow:
    0 14px 32px rgba(0,0,0,0.12),
    inset 0 1px 0 rgba(255,255,255,0.06);
}

.modules-capacity::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    radial-gradient(circle at 18% 0%, var(--capacity-accent, rgba(124,160,255,0.20)), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  opacity: 0.84;
  pointer-events: none;
}

.modules-capacity strong,
.modules-capacity p {
  position: relative;
  z-index: 1;
}

.modules-capacity strong {
  display: block;
  margin-bottom: 8px;
  font-size: clamp(0.92rem, 1.3vw, 1.02rem);
  letter-spacing: -0.03em;
}

.modules-capacity p {
  margin: 0;
  color: rgba(255,255,255,0.62);
  font-size: 0.82rem;
  line-height: 1.45;
}

.module-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: clamp(150px, 18vh, 188px);
  padding: 16px 16px 15px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  backdrop-filter: blur(18px) saturate(124%);
  -webkit-backdrop-filter: blur(18px) saturate(124%);
  box-shadow:
    0 14px 32px rgba(0,0,0,0.14),
    inset 0 1px 0 rgba(255,255,255,0.07);
  cursor: pointer;
  text-align: left;
}

.module-card::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    radial-gradient(circle at 18% 0%, var(--module-accent, rgba(124,160,255,0.22)), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  opacity: 0.88;
  pointer-events: none;
}

.module-card::after {
  content: '';
  position: absolute;
  inset: auto 12px 12px auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--module-accent, rgba(124,160,255,0.20)) 0%, rgba(124,160,255,0) 72%);
  opacity: 0.36;
  pointer-events: none;
  mix-blend-mode: screen;
}

.module-card__top,
.module-card__foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.module-card__index,
.module-card__cta,
.module-card__foot span:first-child {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.52rem;
}

.module-card__index {
  color: var(--module-accent, rgba(255,255,255,0.82));
}

.module-card__badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.76);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.51rem;
}

.module-card strong {
  position: relative;
  z-index: 1;
  font-size: clamp(1.18rem, 2.2vw, 1.55rem);
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.module-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 28ch;
  color: rgba(255,255,255,0.58);
}

.module-card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.module-card__foot span:first-child {
  color: rgba(255,255,255,0.46);
}

.module-card__cta {
  color: rgba(255,255,255,0.88);
}

.slide.is-active .modules-feature {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0.10s;
}

.slide.is-active .module-card {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.slide.is-active .module-card:nth-child(1) { transition-delay: 0.14s; }
.slide.is-active .module-card:nth-child(2) { transition-delay: 0.20s; }
.slide.is-active .module-card:nth-child(3) { transition-delay: 0.26s; }
.slide.is-active .module-card:nth-child(4) { transition-delay: 0.32s; }
.slide.is-active .module-card:nth-child(5) { transition-delay: 0.38s; }
.slide.is-active .module-card:nth-child(6) { transition-delay: 0.44s; }
.slide.is-active .module-card:nth-child(7) { transition-delay: 0.50s; }

.modules-feature:hover,
.modules-feature:focus-within {
  transform: translate3d(0, -4px, 0) scale(1.01);
  border-color: rgba(255,255,255,0.18);
  box-shadow:
    0 22px 56px rgba(0,0,0,0.22),
    inset 0 1px 0 rgba(255,255,255,0.10);
}

.modules-feature.is-active {
  border-color: rgba(255,255,255,0.18);
  box-shadow:
    0 22px 56px rgba(0,0,0,0.22),
    inset 0 1px 0 rgba(255,255,255,0.10);
}

.modules-feature.is-active::after {
  opacity: 0.84;
}

.module-card:hover,
.module-card:focus-visible,
.module-card.is-active {
  transform: translate3d(0, -4px, 0) scale(1.012);
  border-color: rgba(255,255,255,0.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 18px 38px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.08);
  outline: none;
}

.module-card:focus-visible {
  outline: 1px solid rgba(255,255,255,0.18);
  outline-offset: 3px;
}

.module-card:hover::after,
.module-card:focus-visible::after,
.module-card.is-active::after {
  opacity: 0.56;
}

.module-card:hover .module-card__badge,
.module-card:focus-visible .module-card__badge,
.module-card.is-active .module-card__badge {
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.07);
  color: rgba(255,255,255,0.88);
}

.module-card:hover .module-card__index,
.module-card:focus-visible .module-card__index,
.module-card.is-active .module-card__index {
  opacity: 1;
}

.module-pill {
  min-width: 102px;
  padding: 11px 16px 11px 30px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.11);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  color: rgba(255,255,255,0.76);
  backdrop-filter: blur(18px) saturate(120%);
  -webkit-backdrop-filter: blur(18px) saturate(120%);
  box-shadow:
    0 10px 30px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-align: center;
  white-space: nowrap;
  opacity: 0;
  will-change: transform, opacity;
  transition:
    opacity 0.45s var(--ease-out),
    transform 0.45s var(--ease-out),
    border-color 0.25s var(--ease-out),
    box-shadow 0.25s var(--ease-out),
    background 0.25s var(--ease-out),
    color 0.25s var(--ease-out);
}

.slide.is-active[data-slide="modules"] .module-pill {
  opacity: 1;
}

.module-pill::before {
  content: '';
  position: absolute;
  left: 14px;
  top: 50%;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  transform: translateY(-50%);
  background: var(--module-accent, rgba(255,255,255,0.76));
  box-shadow: 0 0 12px var(--module-accent, rgba(255,255,255,0.40));
  pointer-events: none;
}

.module-pill::after {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: linear-gradient(160deg, rgba(255,255,255,0.09), rgba(255,255,255,0.02));
  opacity: 0.78;
  pointer-events: none;
}

.module-pill.is-active {
  border-color: rgba(255,255,255,0.18);
  box-shadow:
    0 14px 34px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(255,255,255,0.08),
    inset 0 1px 0 rgba(255,255,255,0.10);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04));
  color: rgba(255,255,255,0.92);
}

.graphos-slide {
  --graphos-x: 72vw;
  --graphos-y: 30vh;
  --graphos-glass-border: rgba(255, 255, 255, 0.10);
  --graphos-glass-border-hover: rgba(255, 255, 255, 0.16);
  --graphos-glass-sheen: linear-gradient(160deg, rgba(255, 255, 255, 0.10), rgba(255, 255, 255, 0.03));
  --graphos-glass-fill: rgba(255, 255, 255, 0.015);
  --graphos-glass-shadow:
    0 24px 60px rgba(0, 0, 0, 0.26),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
  --graphos-glass-shadow-hover:
    0 28px 70px rgba(0, 0, 0, 0.30),
    inset 0 1px 0 rgba(255, 255, 255, 0.20);
  --graphos-glass-backdrop: blur(36px) saturate(160%);
  --graphos-glass-highlight:
    radial-gradient(circle at 18% 0%, rgba(255,255,255,0.18), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(124,160,255,0.10), transparent 24%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
}

.graphos-slide .slide-content {
  z-index: 1;
  max-width: min(460px, 36vw);
  margin-top: 4vh;
  pointer-events: none;
}

.graphos-note {
  position: absolute;
  left: clamp(18px, 3vw, 44px);
  top: clamp(18px, 3vh, 44px);
  z-index: 3;
  width: fit-content;
  max-width: min(42vw, 320px);
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(160deg, rgba(255,255,255,0.10), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  backdrop-filter: blur(18px) saturate(135%);
  -webkit-backdrop-filter: blur(18px) saturate(135%);
  box-shadow:
    0 10px 22px rgba(0,0,0,0.14),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.84);
  pointer-events: none;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}

.graphos-note__kicker {
  display: inline-flex;
  align-items: center;
  min-height: 18px;
  padding: 0 7px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.58);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.41rem;
}

.graphos-note strong {
  display: inline;
  margin-top: 0;
  font-size: clamp(0.68rem, 0.95vw, 0.92rem);
  line-height: 1;
  letter-spacing: -0.02em;
}

.graphos-note p {
  display: none;
}

.graphos-window {
  position: absolute;
  left: var(--graphos-x);
  top: var(--graphos-y);
  width: clamp(280px, 30vw, 430px);
  transform: translate3d(-50%, -50%, 0) scale(1);
  transform-origin: center center;
  z-index: 2;
  padding: 12px;
  border-radius: 28px;
  border: 1px solid var(--graphos-glass-border);
  background:
    var(--graphos-glass-sheen),
    var(--graphos-glass-fill);
  backdrop-filter: var(--graphos-glass-backdrop);
  -webkit-backdrop-filter: var(--graphos-glass-backdrop);
  box-shadow: var(--graphos-glass-shadow);
  pointer-events: auto;
  user-select: none;
  cursor: grab;
  will-change: transform, opacity;
  transition:
    transform 220ms var(--ease-out),
    opacity 220ms var(--ease-out),
    box-shadow 220ms var(--ease-out),
    border-color 220ms var(--ease-out);
  overflow: hidden;
}

.graphos-window:hover {
  transform: translate3d(-50%, -50%, 0) scale(1.012);
  border-color: var(--graphos-glass-border-hover);
  box-shadow: var(--graphos-glass-shadow-hover);
}

.graphos-window:has(.graphos-window__header:hover),
.graphos-window:has(.graphos-window__chip:hover),
.graphos-window:has(.graphos-row:hover),
.graphos-window:has(.graphos-window__header:focus-visible),
.graphos-window:has(.graphos-window__chip:focus-visible),
.graphos-window:has(.graphos-row:focus-visible) {
  transform: translate3d(-50%, -50%, 0) scale(1.012);
  border-color: var(--graphos-glass-border-hover);
  box-shadow: var(--graphos-glass-shadow-hover);
}

.graphos-window.is-dragging {
  cursor: grabbing;
  transform: translate3d(-50%, -50%, 0) scale(1.02);
}

.graphos-window::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: var(--graphos-glass-highlight);
  opacity: 0.72;
  pointer-events: none;
  transition: opacity 220ms var(--ease-out);
}

.graphos-window:hover::before {
  opacity: 1;
}

.graphos-window::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background:
    radial-gradient(circle at 12% 12%, rgba(124,160,255,0.08), transparent 26%),
    radial-gradient(circle at 88% 4%, rgba(255,255,255,0.06), transparent 22%);
  opacity: 0.65;
  mix-blend-mode: screen;
}

.graphos-window__header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 2px 2px 10px;
  border: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  color: rgba(255, 255, 255, 0.82);
  font: inherit;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.60rem;
  cursor: grab;
  touch-action: none;
  outline: none;
  pointer-events: auto;
}

.graphos-window__eyebrow {
  color: rgba(255,255,255,0.92);
}

.graphos-window__status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.56);
  font-size: 0.56rem;
  letter-spacing: 0.14em;
}

.graphos-window__dot {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.88);
  box-shadow: 0 0 12px rgba(255,255,255,0.28);
  flex: 0 0 auto;
  animation: graphos-pulse 2.8s var(--ease-in-out) infinite;
}

.graphos-window__header:focus-visible {
  color: rgba(255, 255, 255, 0.96);
}

.graphos-window.is-dragging .graphos-window__header {
  cursor: grabbing;
}

.graphos-window__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0 2px 10px;
  pointer-events: none;
}

.graphos-window__chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.07);
  background: rgba(255,255,255,0.035);
  color: rgba(255,255,255,0.58);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.56rem;
  line-height: 1;
  transition:
    transform 220ms var(--ease-out),
    border-color 220ms var(--ease-out),
    background 220ms var(--ease-out),
    color 220ms var(--ease-out);
  pointer-events: auto;
}

.graphos-window__chip--action {
  cursor: pointer;
}

.graphos-window__chip--action:hover,
.graphos-window__chip--action:focus-visible {
  transform: translate3d(0, -1px, 0);
  border-color: rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.82);
  outline: none;
}

.graphos-window__chip--select {
  padding-right: 8px;
}

.graphos-window__chip--select span {
  color: inherit;
}

.graphos-window__chip--select select {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  outline: none;
  background: transparent;
  color: inherit;
  font: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
  min-width: 84px;
  pointer-events: auto;
}

.graphos-window__chip--select select option {
  color: #0b0f1a;
}

.graphos-window__chip--info {
  white-space: nowrap;
}

.graphos-window__chip--mobile-action {
  display: none;
}

.graphos-window__chip:hover {
  transform: translate3d(0, -1px, 0);
  border-color: rgba(255,255,255,0.14);
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.82);
}

.graphos-window__body {
  position: relative;
  z-index: 1;
  overflow-x: hidden;
  overflow-y: auto;
  height: clamp(210px, 30vh, 282px);
  padding-bottom: 44px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.035), rgba(255,255,255,0.010)),
    rgba(255,255,255,0.012);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(255,255,255,0.03);
  pointer-events: auto;
  backdrop-filter: blur(20px) saturate(130%);
  -webkit-backdrop-filter: blur(20px) saturate(130%);
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  -ms-overflow-style: none;
  touch-action: pan-y;
}

.graphos-window__body::-webkit-scrollbar {
  display: none;
}

.graphos-window__body::after {
  content: '';
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.16), transparent 16%),
    linear-gradient(0deg, rgba(255,255,255,0.05), transparent 24%),
    radial-gradient(circle at 50% 0%, rgba(255,255,255,0.08), transparent 28%);
  opacity: 0.60;
}

.graphos-window__feed {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  mask-image: linear-gradient(180deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, black 10%, black 90%, transparent);
  position: relative;
  z-index: 1;
  pointer-events: auto;
}

.graphos-row {
  display: grid;
  grid-template-columns: minmax(66px, 0.7fr) minmax(0, 1.35fr) auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: clamp(48px, 4.8vh, 54px);
  padding: 11px 12px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.03);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
  appearance: none;
  -webkit-appearance: none;
  font: inherit;
  color: inherit;
  text-align: left;
  cursor: pointer;
  outline: none;
  transition:
    transform 220ms var(--ease-out),
    border-color 220ms var(--ease-out),
    background 220ms var(--ease-out),
    box-shadow 220ms var(--ease-out),
    color 220ms var(--ease-out);
  will-change: transform, opacity;
  pointer-events: auto;
}

.graphos-row strong {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.58rem;
  font-weight: 600;
  color: rgba(255,255,255,0.82);
}

.graphos-row span {
  color: rgba(255,255,255,0.58);
  font-size: 0.84rem;
  line-height: 1.25;
}

.graphos-row small {
  justify-self: end;
  color: rgba(255,255,255,0.34);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.55rem;
}

.graphos-row:hover,
.graphos-row:focus-visible {
  transform: translate3d(3px, -1px, 0);
  border-color: rgba(255,255,255,0.16);
  background: rgba(255,255,255,0.06);
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.14),
    inset 0 1px 0 rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.94);
  outline: none;
}

body[data-graphos-focus="node"] .graphos-row[data-layer="node"],
body[data-graphos-focus="edge"] .graphos-row[data-layer="edge"],
body[data-graphos-focus="group"] .graphos-row[data-layer="group"],
body[data-graphos-focus="surface"] .graphos-row[data-layer="surface"],
body[data-graphos-focus="context"] .graphos-row[data-layer="context"] {
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  box-shadow:
    0 14px 28px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255,255,255,0.10);
  transform: translate3d(2px, -1px, 0) scale(1.01);
}

.graphos-window__hint {
  position: absolute;
  left: 14px;
  right: 14px;
  bottom: 10px;
  z-index: 1;
  margin: 0;
  color: rgba(255,255,255,0.38);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.5rem;
  line-height: 1.55;
  pointer-events: none;
}

.graphos-context-menu {
  position: fixed;
  min-width: 240px;
  max-width: 300px;
  z-index: 10000;
  padding: 10px;
  border-radius: 24px;
  border: 1px solid var(--graphos-glass-border);
  background:
    var(--graphos-glass-sheen),
    var(--graphos-glass-fill);
  backdrop-filter: var(--graphos-glass-backdrop);
  -webkit-backdrop-filter: var(--graphos-glass-backdrop);
  box-shadow: var(--graphos-glass-shadow);
  color: rgba(255,255,255,0.84);
  pointer-events: auto;
  overflow: hidden;
}

.graphos-context-menu::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background: var(--graphos-glass-highlight);
  opacity: 0.74;
  pointer-events: none;
  transition: opacity 220ms var(--ease-out);
}

.graphos-context-menu:hover::before,
.graphos-context-menu:focus-within::before {
  opacity: 1;
}

.graphos-context-menu__header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 6px 12px;
  border-bottom: 1px solid rgba(255,255,255,0.10);
  margin-bottom: 8px;
}

.graphos-context-menu__swatch {
  width: 18px;
  height: 18px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 6px;
  background: #7ca0ff;
  box-shadow: 0 0 12px rgba(124,160,255,0.20);
  cursor: pointer;
  flex: 0 0 auto;
}

.graphos-context-menu__toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.04);
  color: inherit;
  font-size: 0.56rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.graphos-context-menu__name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 0.74rem;
  letter-spacing: 0.02em;
  color: rgba(255,255,255,0.88);
}

.graphos-context-menu__item {
  display: block;
  width: 100%;
  padding: 8px 12px;
  border: 0;
  border-radius: 12px;
  background: transparent;
  color: rgba(255,255,255,0.84);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition:
    background 180ms var(--ease-out),
    color 180ms var(--ease-out),
    transform 180ms var(--ease-out);
}

.graphos-context-menu__item:hover,
.graphos-context-menu__item:focus-visible {
  outline: none;
  background: rgba(255,255,255,0.06);
  color: rgba(255,255,255,0.96);
  transform: translate3d(2px, 0, 0);
}

.graphos-color-picker {
  position: fixed;
  z-index: 10001;
  width: 150px;
  height: 150px;
  padding: 5px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.12);
  background:
    radial-gradient(circle at 50% 50%, rgba(255,255,255,0.08), rgba(255,255,255,0.03) 56%, rgba(255,255,255,0.01) 70%, rgba(255,255,255,0) 72%),
    rgba(10, 12, 18, 0.92);
  backdrop-filter: blur(24px) saturate(150%);
  -webkit-backdrop-filter: blur(24px) saturate(150%);
  box-shadow:
    0 22px 50px rgba(0, 0, 0, 0.34),
    inset 0 1px 0 rgba(255,255,255,0.14);
  pointer-events: auto;
}

.graphos-color-picker canvas {
  display: block;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  cursor: crosshair;
}

@keyframes graphos-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.82;
  }
  50% {
    transform: scale(1.16);
    opacity: 1;
  }
}

.slide[data-slide="infrastructure"] .slide-content {
  width: min(100%, 1160px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.92fr);
  gap: clamp(28px, 4vw, 56px);
  align-items: start;
}

.infra-intro {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
}

.slide[data-slide="infrastructure"] .infra-intro .tagline {
  margin-top: 0;
}

.slide[data-slide="infrastructure"] h2 {
  font-size: clamp(2.2rem, 4.5vw, 4.05rem);
  letter-spacing: -0.05em;
}

.infra-lead {
  max-width: 32ch;
  font-size: clamp(1.03rem, 1.6vw, 1.28rem);
  color: var(--theme-fg);
}

.infra-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.10),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
}

.infra-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.66);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.62rem;
  line-height: 1;
  transition:
    transform 260ms var(--ease-out),
    border-color 260ms var(--ease-out),
    background 260ms var(--ease-out),
    color 260ms var(--ease-out),
    box-shadow 260ms var(--ease-out);
  will-change: transform, opacity;
}

.infra-step__arrow {
  color: rgba(255,255,255,0.26);
  font-size: 0.72rem;
  line-height: 1;
}

.infra-step:hover {
  transform: translate3d(0, -2px, 0);
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.88);
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.10),
    0 0 0 1px rgba(255,255,255,0.04);
}

.infra-step[data-layer="surface"] { padding-inline: 12px; }

.infra-step[data-layer="core"] {
  letter-spacing: 0.15em;
}

.slide[data-slide="infrastructure"] .infra-step[data-layer="surface"],
.slide[data-slide="infrastructure"] .infra-card[data-layer="surface"] {
  will-change: transform, opacity, box-shadow, border-color;
}

body[data-infra-focus="surface"] .slide[data-slide="infrastructure"] .infra-step[data-layer="surface"],
body[data-infra-focus="context"] .slide[data-slide="infrastructure"] .infra-step[data-layer="context"],
body[data-infra-focus="intents"] .slide[data-slide="infrastructure"] .infra-step[data-layer="intents"],
body[data-infra-focus="modules"] .slide[data-slide="infrastructure"] .infra-step[data-layer="modules"],
body[data-infra-focus="core"] .slide[data-slide="infrastructure"] .infra-step[data-layer="core"] {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.09);
  color: rgba(255,255,255,0.92);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.14),
    0 0 0 1px rgba(255,255,255,0.05),
    0 0 18px rgba(255,255,255,0.05);
  transform: translate3d(0, -2px, 0) scale(1.015);
}

body[data-infra-selected="surface"] .slide[data-slide="infrastructure"] .infra-step[data-layer="surface"],
body[data-infra-selected="context"] .slide[data-slide="infrastructure"] .infra-step[data-layer="context"],
body[data-infra-selected="intents"] .slide[data-slide="infrastructure"] .infra-step[data-layer="intents"],
body[data-infra-selected="modules"] .slide[data-slide="infrastructure"] .infra-step[data-layer="modules"],
body[data-infra-selected="core"] .slide[data-slide="infrastructure"] .infra-step[data-layer="core"] {
  border-color: rgba(255,255,255,0.22);
  background: rgba(255,255,255,0.09);
  color: rgba(255,255,255,0.92);
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.14),
    0 0 0 1px rgba(255,255,255,0.05),
    0 0 18px rgba(255,255,255,0.05);
  transform: translate3d(0, -2px, 0) scale(1.015);
}

body[data-infra-focus="surface"] .slide[data-slide="infrastructure"] .infra-card[data-layer="surface"],
body[data-infra-focus="context"] .slide[data-slide="infrastructure"] .infra-card[data-layer="context"],
body[data-infra-focus="intents"] .slide[data-slide="infrastructure"] .infra-card[data-layer="intents"],
body[data-infra-focus="modules"] .slide[data-slide="infrastructure"] .infra-card[data-layer="modules"],
body[data-infra-focus="core"] .slide[data-slide="infrastructure"] .infra-card[data-layer="core"] {
  border-color: rgba(255,255,255,0.22);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04));
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(255,255,255,0.05),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transform: translate3d(2px, -1px, 0) scale(1.01);
}

body[data-infra-selected="surface"] .slide[data-slide="infrastructure"] .infra-card[data-layer="surface"],
body[data-infra-selected="context"] .slide[data-slide="infrastructure"] .infra-card[data-layer="context"],
body[data-infra-selected="intents"] .slide[data-slide="infrastructure"] .infra-card[data-layer="intents"],
body[data-infra-selected="modules"] .slide[data-slide="infrastructure"] .infra-card[data-layer="modules"],
body[data-infra-selected="core"] .slide[data-slide="infrastructure"] .infra-card[data-layer="core"] {
  border-color: rgba(255,255,255,0.22);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04));
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.18),
    0 0 0 1px rgba(255,255,255,0.05),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transform: translate3d(2px, -1px, 0) scale(1.01);
}

.slide[data-slide="infrastructure"] .sub {
  max-width: 420px;
}

.infra-stack {
  position: relative;
  display: grid;
  gap: 12px;
  padding-left: 24px;
}

.infra-stack::before {
  content: '';
  position: absolute;
  left: 10px;
  top: 4px;
  bottom: 4px;
  width: 1px;
  background: linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0.28), rgba(255,255,255,0.04));
}

.infra-card {
  position: relative;
  padding: 16px 16px 16px 18px;
  border-radius: 20px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.025));
  box-shadow:
    0 12px 28px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255,255,255,0.06);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  opacity: 0;
  transform: translate3d(0, 14px, 0) scale(0.985);
  will-change: transform, opacity;
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out),
    box-shadow 260ms var(--ease-out),
    border-color 260ms var(--ease-out);
}

.infra-card::before {
  content: '';
  position: absolute;
  left: -22px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  transform: translateY(-50%) scale(0.9);
  background: rgba(255,255,255,0.68);
  box-shadow: 0 0 12px rgba(255,255,255,0.16);
  transition: transform 260ms var(--ease-out), opacity 260ms var(--ease-out);
}

.infra-card span {
  display: block;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.63rem;
  color: rgba(255,255,255,0.42);
}

.infra-card strong {
  display: block;
  margin-top: 8px;
  color: var(--theme-fg);
  font-size: clamp(1rem, 1.45vw, 1.24rem);
  font-weight: 500;
  line-height: 1.2;
}

.infra-card small {
  display: block;
  margin-top: 7px;
  color: rgba(255,255,255,0.52);
  font-size: 0.82rem;
  line-height: 1.45;
}

.slide.is-active .infra-card {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.slide.is-active .infra-card:nth-child(1) { transition-delay: 0.10s; }
.slide.is-active .infra-card:nth-child(2) { transition-delay: 0.18s; }
.slide.is-active .infra-card:nth-child(3) { transition-delay: 0.26s; }
.slide.is-active .infra-card:nth-child(4) { transition-delay: 0.34s; }
.slide.is-active .infra-card:nth-child(5) { transition-delay: 0.42s; }

.infra-card:hover {
  border-color: rgba(255,255,255,0.16);
  box-shadow:
    0 16px 32px rgba(0, 0, 0, 0.20),
    inset 0 1px 0 rgba(255,255,255,0.1);
  transform: translate3d(4px, -2px, 0) scale(1.01);
}

.infra-card:hover::before {
  opacity: 1;
  transform: translateY(-50%) scale(1.08);
}

.infra-summary {
  grid-column: 1 / -1;
  max-width: 760px;
  margin-top: 8px;
}

.slide[data-slide="build"] .slide-content {
  width: min(100%, 1180px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(340px, 1.1fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.slide[data-slide="build"] .slide-content::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.build-layout {
  position: relative;
}

.build-intro {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
}

.build-intro h2 {
  font-size: clamp(2.15rem, 4.4vw, 4rem);
  letter-spacing: -0.05em;
  max-width: 18ch;
}

.build-lead {
  max-width: 34ch;
  font-size: clamp(1.02rem, 1.6vw, 1.28rem);
  color: var(--theme-fg);
}

.build-summary {
  max-width: 36ch;
}

.build-path {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 12px 14px;
  border-radius: 18px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03));
  box-shadow:
    0 12px 24px rgba(0, 0, 0, 0.10),
    inset 0 1px 0 rgba(255,255,255,0.05);
  backdrop-filter: blur(12px) saturate(120%);
  -webkit-backdrop-filter: blur(12px) saturate(120%);
}

.build-step {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 30px;
  padding: 6px 11px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.66);
  text-transform: uppercase;
  letter-spacing: 0.13em;
  font-size: 0.62rem;
  line-height: 1;
  cursor: pointer;
  transition:
    transform 260ms var(--ease-out),
    border-color 260ms var(--ease-out),
    background 260ms var(--ease-out),
    color 260ms var(--ease-out),
    box-shadow 260ms var(--ease-out);
  will-change: transform, opacity;
}

.build-step:hover {
  transform: translate3d(0, -2px, 0);
  border-color: rgba(255,255,255,0.18);
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.90);
  box-shadow:
    0 10px 20px rgba(0, 0, 0, 0.10),
    0 0 0 1px rgba(255,255,255,0.04);
}

.build-step__arrow {
  color: rgba(255,255,255,0.26);
  font-size: 0.72rem;
  line-height: 1;
}

.build-workbench {
  position: relative;
  display: grid;
  gap: 12px;
  padding: clamp(16px, 2.4vw, 24px);
  border-radius: 32px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(170deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.015);
  box-shadow:
    0 24px 56px rgba(0, 0, 0, 0.22),
    inset 0 1px 0 rgba(255,255,255,0.10);
  backdrop-filter: blur(20px) saturate(120%);
  -webkit-backdrop-filter: blur(20px) saturate(120%);
  opacity: 0;
  transform: translate3d(0, 16px, 0) scale(0.985);
  will-change: transform, opacity;
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out),
    box-shadow 260ms var(--ease-out),
    border-color 260ms var(--ease-out);
}

.build-workbench::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    radial-gradient(circle at 18% 0%, rgba(255,255,255,0.09), transparent 28%),
    radial-gradient(circle at 100% 0%, rgba(124,160,255,0.08), transparent 26%),
    linear-gradient(180deg, rgba(255,255,255,0.04), rgba(255,255,255,0));
  opacity: 0.84;
  pointer-events: none;
}

.build-surface,
.build-card,
.build-assets {
  position: relative;
  z-index: 1;
  opacity: 0;
  transform: translate3d(0, 14px, 0) scale(0.985);
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out),
    box-shadow 260ms var(--ease-out),
    border-color 260ms var(--ease-out),
    background 260ms var(--ease-out);
  will-change: transform, opacity;
}

.build-surface {
  display: grid;
  gap: 12px;
  padding: 16px;
  border-radius: 26px;
  border: 1px solid rgba(255,255,255,0.10);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  box-shadow:
    0 18px 36px rgba(0,0,0,0.16),
    inset 0 1px 0 rgba(255,255,255,0.08);
  cursor: pointer;
}

.build-surface__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.56rem;
  color: rgba(255,255,255,0.52);
}

.build-surface__window {
  position: relative;
  min-height: clamp(210px, 28vh, 290px);
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.015);
  overflow: hidden;
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.08),
    inset 0 -1px 0 rgba(255,255,255,0.03);
}

.build-surface__chrome {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px 10px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  background: rgba(255,255,255,0.025);
  color: rgba(255,255,255,0.52);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.51rem;
}

.build-surface__dots {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.build-surface__dots i {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: rgba(255,255,255,0.42);
  display: block;
}

.build-surface__url {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.build-surface__viewport {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.build-surface__hero {
  display: grid;
  gap: 8px;
  max-width: 260px;
}

.build-surface__kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.53rem;
  color: rgba(255,255,255,0.42);
}

.build-surface__hero strong {
  font-size: clamp(1.45rem, 2.8vw, 2.25rem);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.build-surface__hero p {
  margin: 0;
  max-width: 24ch;
  color: rgba(255,255,255,0.58);
}

.build-surface__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.build-surface__chips span,
.build-card__chips span,
.build-asset-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.04);
  color: rgba(255,255,255,0.70);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.51rem;
}

.build-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.build-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: clamp(150px, 18vh, 188px);
  padding: 16px 16px 15px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  box-shadow:
    0 14px 32px rgba(0,0,0,0.14),
    inset 0 1px 0 rgba(255,255,255,0.07);
  cursor: pointer;
  text-align: left;
}

.build-card::before {
  content: '';
  position: absolute;
  inset: 1px;
  border-radius: inherit;
  background:
    radial-gradient(circle at 18% 0%, var(--build-accent, rgba(124,160,255,0.22)), transparent 36%),
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.02));
  opacity: 0.86;
  pointer-events: none;
}

.build-card::after {
  content: '';
  position: absolute;
  inset: auto 12px 12px auto;
  width: 88px;
  height: 88px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--build-accent, rgba(124,160,255,0.18)) 0%, rgba(124,160,255,0) 72%);
  opacity: 0.34;
  pointer-events: none;
  mix-blend-mode: screen;
}

.build-card__top,
.build-card__foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.build-card__index,
.build-card__cta,
.build-card__foot span:first-child {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.52rem;
}

.build-card__index {
  color: var(--build-accent, rgba(255,255,255,0.82));
}

.build-card__badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 0 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.10);
  background: rgba(255,255,255,0.05);
  color: rgba(255,255,255,0.76);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.51rem;
}

.build-card strong {
  position: relative;
  z-index: 1;
  font-size: clamp(1.14rem, 2.05vw, 1.5rem);
  letter-spacing: -0.04em;
  line-height: 1.06;
}

.build-card p {
  position: relative;
  z-index: 1;
  margin: 0;
  max-width: 28ch;
  color: rgba(255,255,255,0.58);
}

.build-card__chips {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.build-card__foot {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,0.08);
}

.build-card__foot span:first-child {
  color: rgba(255,255,255,0.46);
}

.build-card__cta {
  color: rgba(255,255,255,0.88);
}

.build-assets {
  display: grid;
  grid-template-columns: minmax(0, 0.76fr) minmax(260px, 1.24fr);
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.07), rgba(255,255,255,0.03)),
    rgba(255,255,255,0.02);
  box-shadow:
    0 12px 28px rgba(0,0,0,0.14),
    inset 0 1px 0 rgba(255,255,255,0.06);
  cursor: pointer;
}

.build-assets__lead {
  display: grid;
  gap: 8px;
}

.build-assets__lead span {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.54rem;
  color: rgba(255,255,255,0.42);
}

.build-assets__lead strong {
  font-size: clamp(1.04rem, 1.55vw, 1.28rem);
  line-height: 1.16;
  letter-spacing: -0.03em;
}

.build-assets__lead p {
  margin: 0;
  max-width: 30ch;
  color: rgba(255,255,255,0.56);
}

.build-assets__chips {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

.slide.is-active .build-workbench {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0.10s;
}

.slide.is-active .build-surface {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0.16s;
}

.slide.is-active .build-card {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.slide.is-active .build-card:nth-child(1) { transition-delay: 0.22s; }
.slide.is-active .build-card:nth-child(2) { transition-delay: 0.30s; }
.slide.is-active .build-card:nth-child(3) { transition-delay: 0.38s; }
.slide.is-active .build-card:nth-child(4) { transition-delay: 0.46s; }

.slide.is-active .build-assets {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
  transition-delay: 0.52s;
}

.build-surface:hover,
.build-surface:focus-visible,
.build-surface.is-active {
  border-color: rgba(255,255,255,0.16);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.10);
  transform: translate3d(0, -3px, 0) scale(1.01);
  outline: none;
}

.build-card:hover,
.build-card:focus-visible,
.build-card.is-active {
  border-color: rgba(255,255,255,0.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 18px 38px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transform: translate3d(0, -4px, 0) scale(1.012);
  outline: none;
}

.build-assets:hover,
.build-assets:focus-visible,
.build-assets.is-active {
  border-color: rgba(255,255,255,0.16);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.08), rgba(255,255,255,0.035)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 18px 38px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.08);
  transform: translate3d(0, -3px, 0) scale(1.01);
  outline: none;
}

.build-step:focus-visible,
.build-surface:focus-visible,
.build-card:focus-visible,
.build-assets:focus-visible {
  outline: 1px solid rgba(255,255,255,0.16);
  outline-offset: 3px;
}

body[data-build-focus="surface"] .slide[data-slide="build"] .build-step[data-layer="surface"],
body[data-build-selected="surface"] .slide[data-slide="build"] .build-step[data-layer="surface"],
body[data-build-focus="surface"] .slide[data-slide="build"] .build-surface,
body[data-build-selected="surface"] .slide[data-slide="build"] .build-surface {
  border-color: rgba(255,255,255,0.20);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.94);
}

body[data-build-focus="programs"] .slide[data-slide="build"] .build-step[data-layer="programs"],
body[data-build-selected="programs"] .slide[data-slide="build"] .build-step[data-layer="programs"],
body[data-build-focus="programs"] .slide[data-slide="build"] .build-card[data-layer="programs"],
body[data-build-selected="programs"] .slide[data-slide="build"] .build-card[data-layer="programs"] {
  border-color: rgba(255,255,255,0.20);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.94);
}

body[data-build-focus="context"] .slide[data-slide="build"] .build-step[data-layer="context"],
body[data-build-selected="context"] .slide[data-slide="build"] .build-step[data-layer="context"],
body[data-build-focus="context"] .slide[data-slide="build"] .build-card[data-layer="context"],
body[data-build-selected="context"] .slide[data-slide="build"] .build-card[data-layer="context"] {
  border-color: rgba(124,160,255,0.34);
  background:
    linear-gradient(180deg, rgba(124,160,255,0.14), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    0 0 20px rgba(124,160,255,0.06),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.96);
}

body[data-build-focus="nodes"] .slide[data-slide="build"] .build-step[data-layer="nodes"],
body[data-build-selected="nodes"] .slide[data-slide="build"] .build-step[data-layer="nodes"],
body[data-build-focus="nodes"] .slide[data-slide="build"] .build-card[data-layer="nodes"],
body[data-build-selected="nodes"] .slide[data-slide="build"] .build-card[data-layer="nodes"] {
  border-color: rgba(255,255,255,0.20);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.11), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.94);
}

body[data-build-focus="modules"] .slide[data-slide="build"] .build-step[data-layer="modules"],
body[data-build-selected="modules"] .slide[data-slide="build"] .build-step[data-layer="modules"],
body[data-build-focus="modules"] .slide[data-slide="build"] .build-card[data-layer="modules"],
body[data-build-selected="modules"] .slide[data-slide="build"] .build-card[data-layer="modules"] {
  border-color: rgba(160,184,255,0.30);
  background:
    linear-gradient(180deg, rgba(160,184,255,0.14), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    0 0 20px rgba(160,184,255,0.06),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.96);
}

body[data-build-focus="assets"] .slide[data-slide="build"] .build-step[data-layer="assets"],
body[data-build-selected="assets"] .slide[data-slide="build"] .build-step[data-layer="assets"],
body[data-build-focus="assets"] .slide[data-slide="build"] .build-assets,
body[data-build-selected="assets"] .slide[data-slide="build"] .build-assets {
  border-color: rgba(124,160,255,0.34);
  background:
    linear-gradient(180deg, rgba(124,160,255,0.12), rgba(255,255,255,0.04)),
    rgba(255,255,255,0.03);
  box-shadow:
    0 20px 42px rgba(0,0,0,0.18),
    0 0 20px rgba(124,160,255,0.06),
    inset 0 1px 0 rgba(255,255,255,0.10);
  color: rgba(255,255,255,0.96);
}

.build-assets__chips {
  min-width: 0;
}

.build-asset-chip {
  flex: 0 0 auto;
}

.slide[data-slide="next"] .slide-canvas {
  opacity: 0.82;
}

.slide[data-slide="usecases"] .slide-canvas {
  opacity: 0.96;
}

@media (max-height: 900px) {
  :root {
    --slide-pad: clamp(18px, 3.2vh, 42px);
    --slide-shift: clamp(18px, 2.8vh, 30px);
  }

  .modules-layout,
  .build-layout,
  .brief-layout,
  .bridge-layout {
    gap: clamp(16px, 2.2vw, 32px);
  }

  .modules-intro,
  .build-intro,
  .brief-intro {
    gap: 8px;
  }

  .modules-grid {
    gap: 10px;
  }

  .module-card {
    min-height: clamp(132px, 16vh, 160px);
    padding: 14px 14px 13px;
  }

  .modules-feature {
    gap: 12px;
    padding: clamp(14px, 1.8vw, 20px);
  }

  .build-workbench {
    gap: 10px;
    padding: clamp(14px, 2vw, 20px);
  }

  .build-surface {
    min-height: 0;
  }

  .brief-card {
    min-height: 104px;
    padding: 16px 16px 14px;
  }
}

@media (min-width: 1100px) and (max-height: 900px) {
  .slide[data-slide="modules"] .modules-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.brief-layout {
  width: min(100%, 1120px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(300px, 0.92fr);
  gap: clamp(24px, 4vw, 56px);
  align-items: start;
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.brief-layout::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.bridge-layout {
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.bridge-layout::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.slide[data-slide="infrastructure"] .slide-content {
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.slide[data-slide="infrastructure"] .slide-content::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.brief-layout h2 {
  font-size: clamp(2.35rem, 4.8vw, 4.3rem);
  letter-spacing: -0.05em;
}

.brief-intro {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 560px;
}

.brief-intro p,
.brief-summary {
  margin-top: 0;
}

.brief-intro .tagline {
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.66rem;
  color: rgba(0, 0, 0, 0.42);
}

.brief-lead {
  margin-top: 8px;
  max-width: 28ch;
  font-size: clamp(1.08rem, 1.75vw, 1.35rem);
  color: var(--theme-fg);
}

.brief-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.brief-card {
  position: relative;
  min-height: 118px;
  padding: 18px 18px 16px;
  border-radius: 22px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.78), rgba(255,255,255,0.52));
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.72);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
  opacity: 0;
  transform: translate3d(0, 14px, 0) scale(0.985);
  will-change: transform, opacity;
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out),
    box-shadow 260ms var(--ease-out),
    border-color 260ms var(--ease-out);
}

.brief-card::before {
  content: '';
  position: absolute;
  inset: 14px auto 14px 14px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(0,0,0,0.24), rgba(0,0,0,0.06));
}

.brief-card span {
  display: block;
  margin-left: 18px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.62rem;
  color: rgba(0, 0, 0, 0.42);
}

.brief-card strong {
  display: block;
  margin: 8px 0 0 18px;
  color: var(--theme-fg);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  font-weight: 500;
  line-height: 1.2;
}

.brief-summary {
  grid-column: 1 / -1;
  max-width: 760px;
  margin-top: 6px;
}

.slide.is-active .brief-card {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.slide.is-active .brief-card:nth-child(1) { transition-delay: 0.12s; }
.slide.is-active .brief-card:nth-child(2) { transition-delay: 0.20s; }
.slide.is-active .brief-card:nth-child(3) { transition-delay: 0.28s; }
.slide.is-active .brief-card:nth-child(4) { transition-delay: 0.36s; }

.slide.is-active .brief-summary {
  transition-delay: 0.46s;
}

.brief-card:hover {
  border-color: rgba(0, 0, 0, 0.14);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.88);
  transform: translate3d(0, -2px, 0) scale(1.01);
}

/* ===== ONBOARDING / COMPOSITION ===== */
.onboarding-layout {
  width: min(100%, 1180px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(280px, 0.98fr);
  gap: clamp(20px, 3.6vw, 44px);
  align-items: start;
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.onboarding-layout::-webkit-scrollbar,
.composition-layout::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.onboarding-intro,
.composition-intro {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 620px;
}

.onboarding-intro .tagline,
.composition-intro .tagline {
  margin-top: 0;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.66rem;
  color: rgba(0, 0, 0, 0.42);
}

.onboarding-intro h2,
.composition-intro h2 {
  font-size: clamp(2.45rem, 5vw, 4.35rem);
  letter-spacing: -0.05em;
}

.onboarding-note,
.composition-note {
  max-width: 44ch;
  color: rgba(0, 0, 0, 0.72);
}

.onboarding-stack {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  grid-column: 1;
}

.onboarding-pricing {
  display: grid;
  gap: 12px;
  grid-column: 2;
  grid-row: 1 / span 2;
  align-content: start;
}

.onboarding-card,
.onboarding-price,
.composition-card,
.composition-example {
  position: relative;
  padding: 18px 18px 16px;
  border-radius: 22px;
  border: 1px solid rgba(0, 0, 0, 0.08);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.82), rgba(255,255,255,0.56));
  box-shadow:
    0 12px 26px rgba(0, 0, 0, 0.05),
    inset 0 1px 0 rgba(255,255,255,0.7);
  backdrop-filter: blur(14px) saturate(120%);
  -webkit-backdrop-filter: blur(14px) saturate(120%);
}

.onboarding-card::before,
.onboarding-price::before,
.composition-card::before,
.composition-example::before {
  content: '';
  position: absolute;
  inset: 14px auto 14px 14px;
  width: 2px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(0,0,0,0.24), rgba(0,0,0,0.06));
}

.onboarding-card span,
.onboarding-price span,
.composition-card span,
.composition-example span {
  display: block;
  margin-left: 18px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.62rem;
  color: rgba(0, 0, 0, 0.42);
}

.onboarding-card strong,
.onboarding-price strong,
.composition-card strong,
.composition-example strong {
  display: block;
  margin: 8px 0 0 18px;
  color: var(--theme-fg);
  font-size: clamp(1rem, 1.35vw, 1.18rem);
  font-weight: 500;
  line-height: 1.2;
}

.onboarding-card p,
.onboarding-price p,
.composition-card p,
.composition-example p {
  margin: 10px 0 0 18px;
  color: rgba(0, 0, 0, 0.68);
  font-size: clamp(0.88rem, 1.2vw, 1rem);
  line-height: 1.55;
}

.onboarding-price {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.onboarding-price--accent {
  background:
    linear-gradient(180deg, rgba(240,244,255,0.92), rgba(255,255,255,0.72));
  border-color: rgba(124, 160, 255, 0.18);
}

.onboarding-summary {
  grid-column: 1 / -1;
  max-width: 760px;
  margin-top: 2px;
  color: rgba(0, 0, 0, 0.68);
}

.slide.is-active .onboarding-card,
.slide.is-active .onboarding-price,
.slide.is-active .composition-card,
.slide.is-active .composition-example {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

.onboarding-card,
.onboarding-price,
.composition-card,
.composition-example {
  opacity: 0;
  transform: translate3d(0, 14px, 0) scale(0.985);
  transition:
    opacity var(--text-dur) ease,
    transform var(--text-dur) var(--ease-out),
    box-shadow 260ms var(--ease-out),
    border-color 260ms var(--ease-out);
  will-change: transform, opacity;
}

.slide.is-active .onboarding-card:nth-child(1),
.slide.is-active .composition-card:nth-child(1),
.slide.is-active .composition-example:nth-child(1) { transition-delay: 0.10s; }

.slide.is-active .onboarding-card:nth-child(2),
.slide.is-active .composition-card:nth-child(2),
.slide.is-active .composition-example:nth-child(2) { transition-delay: 0.18s; }

.slide.is-active .onboarding-card:nth-child(3),
.slide.is-active .composition-card:nth-child(3),
.slide.is-active .composition-example:nth-child(3) { transition-delay: 0.26s; }

.slide.is-active .onboarding-card:nth-child(4),
.slide.is-active .composition-card:nth-child(4),
.slide.is-active .composition-example:nth-child(4) { transition-delay: 0.34s; }

.slide.is-active .onboarding-price:nth-child(1) { transition-delay: 0.14s; }
.slide.is-active .onboarding-price:nth-child(2) { transition-delay: 0.22s; }
.slide.is-active .onboarding-price:nth-child(3) { transition-delay: 0.30s; }
.slide.is-active .onboarding-price:nth-child(4) { transition-delay: 0.38s; }

.slide.is-active .composition-card:nth-child(5),
.slide.is-active .composition-example:nth-child(5) { transition-delay: 0.42s; }

.slide.is-active .composition-card:nth-child(6),
.slide.is-active .composition-example:nth-child(6) { transition-delay: 0.50s; }

.slide.is-active .composition-card:nth-child(7),
.slide.is-active .composition-example:nth-child(7) { transition-delay: 0.58s; }

.slide.is-active .composition-card:nth-child(8),
.slide.is-active .composition-example:nth-child(8) { transition-delay: 0.66s; }

.slide.is-active .onboarding-summary,
.slide.is-active .composition-summary {
  transition-delay: 0.50s;
}

.onboarding-card:hover,
.onboarding-price:hover,
.composition-card:hover,
.composition-example:hover {
  border-color: rgba(0, 0, 0, 0.14);
  box-shadow:
    0 16px 34px rgba(0, 0, 0, 0.08),
    inset 0 1px 0 rgba(255,255,255,0.88);
  transform: translate3d(0, -2px, 0) scale(1.01);
}

.composition-layout {
  width: min(100%, 1180px);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 3vw, 30px);
  max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
  overflow-x: hidden;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.composition-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.composition-examples {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.composition-summary {
  max-width: 760px;
  margin-top: 0;
  color: rgba(0, 0, 0, 0.68);
}

/* ===== CENTER VARIANT ===== */
.center {
  align-items: center;
  text-align: center;
}

.center .slide-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.center p { text-align: center; }

/* ===== AMBIENT GLOW ===== */
/* Per-slide subtle background radial, shifts on each slide */
.slide::before {
  content: '';
  position: absolute;
  inset: -20%;
  background: radial-gradient(
    circle at 50% 50%,
    rgba(255, 255, 255, 0.018) 0%,
    transparent 65%
  );
  pointer-events: none;
  z-index: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.slide.is-active::before { opacity: 1; }

/* ===== SCROLLBAR HIDDEN ===== */
.slides::-webkit-scrollbar { display: none; }

/* ===== VIGNETTE =====
   Soft darkness at screen edges → draws focus to the center,
   improves contrast in presentation environment.
*/
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 400;
  background: radial-gradient(
    ellipse 85% 75% at 50% 50%,
    transparent 50%,
    rgba(0, 0, 0, 0.42) 100%
  );
}

/* ===== CANVAS FADE =====
   Global canvas opacity slightly less than 1 so visuals feel embedded,
   not pasted on top.
*/
.slide-canvas { opacity: 0.55; }

/* ===== RESPONSIVE TUNING =====
   Keep the same visual direction, but reduce density and chrome on small screens
   and on touch-first devices.
*/
@media (max-width: 900px) {
  :root {
    --slide-pad: clamp(16px, 4.2vw, 36px);
    --slide-shift: clamp(16px, 3.6vh, 28px);
    --radius-frame: clamp(20px, 5vw, 30px);
    --radius-panel: clamp(16px, 4vw, 24px);
    --radius-card: clamp(12px, 3vw, 18px);
    --radius-chip: 999px;
  }

  #slide-counter {
    right: 18px;
    bottom: 18px;
  }

  .slide[data-slide="intro"] .slide-content {
    width: 100%;
    min-height: auto;
  }

  .intro-note {
    width: min(100%, 420px);
  }

  .intro-shell {
    width: min(100%, 620px);
  }

  .intro-title {
    max-width: 14ch;
    font-size: clamp(2.15rem, 10.5vw, 4rem);
    min-height: 2.4em;
  }

  .intro-nav {
    flex-direction: column;
    width: min(100%, 420px);
  }

  .intro-nav__icon {
    width: 1.65em;
    height: 1.65em;
  }

  .intro-nav {
    text-align: center;
  }

  .slide[data-slide="modules"] .slide-content,
  .slide[data-slide="infrastructure"] .slide-content,
  .slide[data-slide="build"] .slide-content,
  .slide[data-slide="positioning"] .slide-content,
  .slide[data-slide="horizon"] .slide-content,
  .brief-layout,
  .onboarding-layout,
  .composition-layout {
    max-width: min(100%, 580px);
    max-height: calc(var(--app-height) - (var(--slide-pad) * 2));
    margin-top: 0;
    gap: 18px;
  }

  .brief-layout,
  .onboarding-layout {
    grid-template-columns: 1fr;
  }

  .composition-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .composition-examples {
    grid-template-columns: 1fr;
  }

  .onboarding-price {
    grid-column: auto;
    grid-row: auto;
  }

  .onboarding-pricing {
    grid-column: auto;
    grid-row: auto;
  }

  .brief-stack {
    grid-template-columns: 1fr;
  }

  .onboarding-stack {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .modules-layout {
    gap: 18px;
  }

  .modules-intro {
    max-width: 100%;
  }

  .modules-store {
    grid-template-columns: 1fr;
  }

  .modules-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .modules-feature {
    min-height: auto;
    padding: 18px 18px 20px;
    border-radius: var(--radius-frame);
  }

  .module-card {
    min-height: 140px;
    border-radius: var(--radius-panel);
  }

  .build-intro {
    max-width: 100%;
  }

  .build-path {
    gap: 6px;
    padding: 10px 12px;
  }

  .build-step {
    padding: 6px 10px;
    font-size: 0.58rem;
    letter-spacing: 0.11em;
  }

  .build-surface {
    padding: 14px;
    border-radius: var(--radius-frame);
  }

  .build-surface__window {
    min-height: clamp(180px, 26svh, 240px);
  }

  .build-surface__viewport {
    padding: 16px;
  }

  .build-grid {
    gap: 10px;
  }

  .build-card {
    min-height: 132px;
    border-radius: var(--radius-panel);
  }

  .build-assets {
    grid-template-columns: 1fr;
    gap: 12px;
    border-radius: var(--radius-frame);
  }

  .build-assets__chips {
    justify-content: flex-start;
  }

  .onboarding-layout {
    max-height: none;
  }

  .composition-layout {
    max-height: none;
  }

  .infra-path {
    gap: 6px;
    padding: 10px 12px;
  }

  .infra-step {
    padding: 6px 10px;
    font-size: 0.58rem;
    letter-spacing: 0.11em;
  }

  .infra-step__arrow {
    font-size: 0.66rem;
  }

  .infra-stack {
    padding-left: 20px;
    gap: 10px;
  }

  .infra-card {
    padding: 14px 14px 14px 16px;
    border-radius: var(--radius-panel);
  }

  .graphos-slide .slide-content {
    align-self: flex-start;
    max-width: min(88vw, 420px);
    margin-top: 0;
  }

  .graphos-slide {
    justify-content: flex-start;
    padding-top: clamp(24px, 6svh, 48px);
  }

  .graphos-window {
    left: 50%;
    top: 38svh;
    width: min(90vw, 440px);
    border-radius: var(--radius-frame);
  }

  .graphos-slide .slide-canvas {
    display: block;
    pointer-events: auto;
  }

  .graphos-slide .slide-content {
    display: none;
  }

  .graphos-note {
    left: 12px;
    top: 12px;
    max-width: min(72vw, 220px);
    pointer-events: auto;
    cursor: pointer;
  }

  .graphos-window {
    left: 10px;
    right: 10px;
    top: auto;
    bottom: calc(10px + env(safe-area-inset-bottom));
    width: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: none;
    transform: none;
  }

  .graphos-note {
    left: 10px;
    top: 10px;
    max-width: min(68vw, 190px);
    padding: 5px 8px;
    gap: 5px;
  }

  .graphos-note__kicker {
    min-height: 16px;
    padding: 0 6px;
    font-size: 0.38rem;
    letter-spacing: 0.15em;
  }

  .graphos-note strong {
    font-size: clamp(0.62rem, 2.7vw, 0.8rem);
  }

  .graphos-window {
    left: 10px;
    right: 10px;
    top: auto;
    bottom: calc(10px + env(safe-area-inset-bottom));
    width: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: none;
    transform: none;
  }

  .graphos-window__header,
  .graphos-window__body,
  .graphos-window__hint {
    display: none;
  }

  .graphos-window__meta {
    width: 100%;
    padding: 8px;
    border-radius: var(--radius-frame);
    border: 1px solid rgba(255,255,255,0.10);
    background:
      linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
      rgba(255,255,255,0.02);
    backdrop-filter: blur(16px) saturate(130%);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    box-shadow:
      0 12px 28px rgba(0,0,0,0.14),
      inset 0 1px 0 rgba(255,255,255,0.08);
    gap: 6px;
    justify-content: space-between;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    pointer-events: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .graphos-window__meta::-webkit-scrollbar {
    display: none;
  }

  .graphos-window__body {
    height: clamp(160px, 22svh, 210px);
    border-radius: var(--radius-panel);
  }

  .graphos-window__feed {
    gap: 7px;
    padding: 10px;
  }

  .graphos-window__chip {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 0.45rem;
  }

  .graphos-window__chip--info,
  .graphos-window__chip--mobile-action {
    display: none;
  }

  .graphos-window__chip--select {
    min-width: 92px;
  }

  .graphos-window__chip--select select {
    min-width: 0;
    width: 100%;
  }

  .graphos-slide .slide-content {
    pointer-events: none;
  }

  .graphos-row {
    min-height: 50px;
    padding: 10px 11px;
    border-radius: var(--radius-card);
    gap: 10px;
  }

  .graphos-window__hint {
    left: 12px;
    right: 12px;
    bottom: 8px;
    font-size: 0.46rem;
  }

  .graphos-context-menu {
    min-width: 220px;
    max-width: min(88vw, 280px);
    border-radius: var(--radius-frame);
  }

  .vestiges-stage,
  .continuum-stage {
    padding: clamp(18px, 5svh, 36px) clamp(14px, 4vw, 24px);
  }

  .vestiges-logo {
    width: min(150px, 38vw);
  }

  .vestiges-copy h2 {
    font-size: clamp(2rem, 7.2vw, 3.2rem);
  }

  /* — Use cases slide — collapse 2-col drum+field to single-column — */
  .usecases-shell {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
    column-gap: 0;
    row-gap: clamp(12px, 2vh, 20px);
  }

  /* Drum becomes a horizontal row of pill tabs */
  .uc-drum {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: flex-start;
    align-self: auto;
    padding-left: 0;
    gap: 6px;
  }

  .uc-drum__rail { display: none; }

  .uc-drum__item {
    flex-direction: row;
    align-items: center;
    padding: 6px 14px;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.08);
    background: rgba(255,255,255,0.03);
    gap: 8px;
  }

  .uc-drum__item::before { display: none; }

  .uc-drum__item.is-active {
    background: rgba(var(--uc-active), 0.1);
    border-color: rgba(var(--uc-active), 0.3);
  }

  .uc-drum__dot { margin-top: 0; }

  /* Sub-text and count hidden — not enough room in pill form */
  .uc-drum__sub,
  .uc-drum__count { display: none !important; }

  .uc-drum__name {
    font-size: 0.78rem !important;
    font-weight: 400 !important;
    color: rgba(255,255,255,0.38) !important;
    letter-spacing: 0em !important;
  }

  .uc-drum__item.is-active .uc-drum__name {
    font-size: 0.78rem !important;
    font-weight: 500 !important;
    color: rgb(var(--uc-active)) !important;
  }

  .uc-field {
    align-self: auto;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
  }

  .uc-field__grid {
    gap: 6px;
  }
}

@media (hover: none), (pointer: coarse) {
  html, body {
    cursor: auto;
  }

  #cursor,
  #cursor-ring,
  #hover-hud {
    display: none;
  }

  #slide-nav {
    display: flex;
    position: fixed;
    right: max(8px, env(safe-area-inset-right));
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: min(52svh, calc(var(--app-height) - 144px));
    padding: 8px 5px;
    z-index: 700;
    border-radius: 999px;
    border: 1px solid rgba(255,255,255,0.06);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)),
      rgba(255,255,255,0.01);
    backdrop-filter: blur(8px) saturate(110%);
    -webkit-backdrop-filter: blur(8px) saturate(110%);
    box-shadow:
      0 10px 22px rgba(0,0,0,0.10),
      inset 0 1px 0 rgba(255,255,255,0.04);
    pointer-events: auto;
    opacity: 0.58;
    transition:
      opacity 220ms var(--ease-out),
      transform 220ms var(--ease-out),
      width 220ms var(--ease-out),
      padding 220ms var(--ease-out),
      border-color 220ms var(--ease-out),
      background 220ms var(--ease-out),
      box-shadow 220ms var(--ease-out);
  }

  #slide-nav.is-active {
    width: 34px;
    padding: 10px 6px;
    opacity: 1;
    border-color: rgba(255,255,255,0.12);
    background:
      linear-gradient(180deg, rgba(255,255,255,0.10), rgba(255,255,255,0.04)),
      rgba(255,255,255,0.03);
    box-shadow:
      0 14px 34px rgba(0,0,0,0.18),
      inset 0 1px 0 rgba(255,255,255,0.08);
  }

  #nav-track {
    width: 100%;
    height: 100%;
    padding: 0;
    margin: 0;
    touch-action: none;
  }

  #nav-track::before {
    width: 2px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    transition:
      background 220ms var(--ease-out),
      transform 220ms var(--ease-out),
      opacity 220ms var(--ease-out),
      width 220ms var(--ease-out);
  }

  #nav-indicator {
    width: 5px;
    height: 22px;
    border-radius: 999px;
    box-shadow: 0 0 12px rgba(255,255,255,0.12);
    opacity: 0.84;
  }

  #slide-nav.is-active #nav-track::before,
  #nav-track.is-dragging::before {
    width: 3px;
    background: rgba(255, 255, 255, 0.16);
  }

  #slide-nav.is-active #nav-indicator {
    box-shadow: 0 0 16px rgba(255,255,255,0.20);
    opacity: 1;
  }

  #slide-counter {
    right: 14px;
    bottom: 14px;
    font-size: 0.6rem;
  }

  .slide[data-slide="intro"] .slide-content {
    width: 100%;
    min-height: auto;
  }

  .intro-note {
    width: min(100%, 420px);
  }

  .intro-shell {
    width: 100%;
  }

  .intro-title {
    max-width: 14ch;
    font-size: clamp(2rem, 10vw, 3.5rem);
    min-height: 2.45em;
  }

  .intro-nav {
    width: min(100%, 420px);
  }

  .slide[data-slide="founder"] .slide-content {
    align-items: center;
    text-align: center;
  }

  .slide[data-slide="founder"] .ea-wordmark--founder {
    font-size: clamp(1.55rem, 7.8vw, 2.1rem);
    gap: 0.05rem;
  }

  .slide[data-slide="modules"] .slide-content,
  .slide[data-slide="infrastructure"] .slide-content,
  .slide[data-slide="build"] .slide-content,
  .slide[data-slide="positioning"] .slide-content,
  .brief-layout {
    align-self: center;
    max-width: 100%;
  }

  .slide[data-slide="build"] .slide-content {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    width: min(100%, 460px) !important;
    height: calc(100svh - (var(--slide-pad) * 2));
    max-width: 100% !important;
    gap: 8px;
    overflow: hidden;
  }

  .slide[data-slide="build"] .slide-content > * {
    width: 100%;
    min-width: 0;
  }

  .slide[data-slide="build"] .build-intro {
    gap: 4px;
    width: 100%;
    min-width: 0;
  }

  .slide[data-slide="build"] .build-intro h2 {
    max-width: 12ch;
    font-size: clamp(1rem, 4.2vw, 1.35rem);
  }

  .slide[data-slide="build"] .build-lead {
    max-width: 100%;
    font-size: clamp(0.72rem, 2.8vw, 0.86rem);
    line-height: 1.32;
  }

  .slide[data-slide="build"] .build-summary {
    display: none;
  }

  .slide[data-slide="infrastructure"] .slide-content {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .build-grid {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(56vw, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .build-assets {
    grid-template-columns: 1fr;
  }

  .build-grid::-webkit-scrollbar {
    display: none;
  }

  .build-grid .build-card {
    scroll-snap-align: start;
  }

  .build-path {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    width: 100%;
    padding: 6px 7px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .build-path::-webkit-scrollbar {
    display: none;
  }

  .build-path .build-step {
    scroll-snap-align: start;
  }

  .build-step {
    min-height: 20px;
    padding: 3px 6px;
    font-size: 0.40rem;
    letter-spacing: 0.08em;
  }

  .build-step__arrow {
    font-size: 0.52rem;
  }

  .build-workbench {
    gap: 6px;
    padding: 8px;
    border-radius: 20px;
    overflow: hidden;
    width: 100%;
    min-width: 0;
  }

  .build-surface {
    gap: 6px;
    padding: 8px;
    border-radius: 16px;
    width: 100%;
    min-width: 0;
  }

  .build-surface__top {
    font-size: 0.42rem;
  }

  .build-surface__window {
    min-height: 88px;
    border-radius: 14px;
  }

  .build-surface__chrome {
    padding: 6px 8px 5px;
    font-size: 0.38rem;
  }

  .build-surface__viewport {
    gap: 5px;
    padding: 7px;
  }

  .build-surface__hero {
    gap: 3px;
    max-width: 100%;
  }

  .build-surface__hero strong {
    font-size: clamp(0.74rem, 3.2vw, 0.98rem);
  }

  .build-surface__hero p {
    display: none;
  }

  .build-surface__chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 4px;
    padding-bottom: 3px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .build-surface__chips::-webkit-scrollbar {
    display: none;
  }

  .build-surface__chips span,
  .build-card__chips span,
  .build-asset-chip {
    min-height: 16px;
    padding: 0 6px;
    font-size: 0.38rem;
  }

  .build-card {
    min-height: 76px;
    padding: 8px 8px 7px;
    border-radius: 14px;
    gap: 4px;
    width: 100%;
    min-width: 0;
  }

  .build-card strong {
    font-size: clamp(0.78rem, 3.2vw, 0.98rem);
  }

  .build-card__top,
  .build-card__foot {
    gap: 6px;
  }

  .build-card__chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .build-card__chips::-webkit-scrollbar {
    display: none;
  }

  .build-card__index,
  .build-card__cta,
  .build-card__foot span:first-child,
  .build-card__badge {
    font-size: 0.34rem;
  }

  .build-card p {
    font-size: 0.60rem;
    line-height: 1.24;
  }

  .build-card__foot {
    padding-top: 4px;
  }

  .build-assets {
    gap: 6px;
    padding: 8px 10px;
    border-radius: 16px;
    width: 100%;
    min-width: 0;
  }

  .build-assets__lead {
    gap: 3px;
  }

  .build-assets__lead span {
    font-size: 0.41rem;
  }

  .build-assets__lead strong {
    font-size: clamp(0.78rem, 3.2vw, 0.92rem);
  }

  .build-assets__lead p {
    display: none;
  }

  .build-assets__chips {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    gap: 4px;
    padding-bottom: 4px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .build-assets__chips {
    justify-content: flex-start;
  }

  .build-assets__chips::-webkit-scrollbar {
    display: none;
  }

  .brief-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .slide[data-slide="businessmodel"] .brief-intro {
    gap: 6px;
  }

  .slide[data-slide="businessmodel"] .brief-intro h2 {
    max-width: 13ch;
  }

  .slide[data-slide="businessmodel"] .brief-lead {
    max-width: 100%;
    font-size: clamp(0.95rem, 3.7vw, 1.08rem);
  }

  .slide[data-slide="businessmodel"] .brief-summary {
    margin-top: 4px;
  }

  .slide[data-slide="businessmodel"] .brief-layout {
    gap: 12px;
  }

  .slide[data-slide="partnerships"] .brief-layout,
  .slide[data-slide="businessmodel"] .brief-layout {
    gap: 10px;
  }

  .slide[data-slide="partnerships"] .brief-intro,
  .slide[data-slide="businessmodel"] .brief-intro {
    gap: 6px;
  }

  .slide[data-slide="partnerships"] .brief-intro h2,
  .slide[data-slide="businessmodel"] .brief-intro h2 {
    max-width: 13ch;
  }

  .slide[data-slide="partnerships"] .brief-lead,
  .slide[data-slide="businessmodel"] .brief-lead {
    max-width: 100%;
    font-size: clamp(0.88rem, 3.2vw, 1rem);
  }

  .slide[data-slide="partnerships"] .brief-summary,
  .slide[data-slide="businessmodel"] .brief-summary {
    display: none;
  }

  .brief-stack {
    grid-template-columns: 1fr;
  }

  .slide[data-slide="partnerships"] .brief-stack,
  .slide[data-slide="businessmodel"] .brief-stack {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(72vw, 1fr);
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scroll-snap-type: x mandatory;
  }

  .slide[data-slide="partnerships"] .brief-stack::-webkit-scrollbar,
  .slide[data-slide="businessmodel"] .brief-stack::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="partnerships"] .brief-card,
  .slide[data-slide="businessmodel"] .brief-card {
    min-height: 94px;
    padding: 11px 11px 10px;
    border-radius: 16px;
    scroll-snap-align: start;
  }

  .slide[data-slide="partnerships"] .brief-card strong,
  .slide[data-slide="businessmodel"] .brief-card strong {
    font-size: clamp(0.88rem, 3.8vw, 1.12rem);
  }

  .slide[data-slide="partnerships"] .brief-card span,
  .slide[data-slide="businessmodel"] .brief-card span {
    margin-left: 14px;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
  }

  .modules-layout {
    gap: 16px;
  }

  .modules-store {
    grid-template-columns: 1fr;
  }

  .modules-grid {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(74vw, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .modules-grid::-webkit-scrollbar {
    display: none;
  }

  .modules-grid .module-card {
    scroll-snap-align: start;
  }

  .module-card {
    min-height: 132px;
  }

  .infra-path {
    width: 100%;
    gap: 6px;
    padding: 10px 12px;
  }

  .infra-step {
    padding: 6px 10px;
    font-size: 0.58rem;
    letter-spacing: 0.1em;
  }

  .infra-step__arrow {
    font-size: 0.64rem;
  }

  .infra-stack {
    padding-left: 18px;
    gap: 10px;
  }

  .infra-card {
    padding: 13px 13px 13px 15px;
    border-radius: 18px;
  }

  .graphos-window__feed {
    gap: 7px;
    padding: 10px;
  }

  .graphos-row {
    min-height: 48px;
    padding: 10px 11px;
    border-radius: 14px;
    gap: 10px;
  }

  .graphos-context-menu__toggle,
  .graphos-context-menu__item {
    min-height: 40px;
    padding-top: 11px;
    padding-bottom: 11px;
  }

  .graphos-color-picker {
    width: 164px;
    height: 164px;
    padding: 6px;
  }

  .graphos-color-picker canvas {
    width: 152px;
    height: 152px;
  }

  .slide[data-slide="modules"] p {
    max-width: 100%;
  }

  .slide[data-slide="modules"] .sub {
    max-width: 100%;
  }

  .slide[data-slide="combination"] .slide-content {
    width: min(100%, 420px);
    max-width: 100%;
    gap: 8px;
    margin-top: 0;
    align-items: center;
    justify-content: center;
  }

  .slide[data-slide="combination"] h2 {
    font-size: clamp(1.12rem, 5vw, 1.55rem);
    letter-spacing: -0.04em;
  }

  .slide[data-slide="combination"] p {
    display: none;
  }

  .slide[data-slide="combination"] {
    justify-content: center;
    padding: var(--slide-pad);
  }

  .module-pill {
    min-width: 72px;
    padding: 9px 14px;
    font-size: 0.66rem;
    letter-spacing: 0.06em;
  }

  .phase-timeline {
    width: min(420px, 100%);
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .phase-track {
    left: 50%;
    right: auto;
    top: 10px;
    bottom: 10px;
    width: 1px;
    height: auto;
    transform: translateX(-50%);
    background: linear-gradient(180deg, rgba(0,0,0,0.04), rgba(0,0,0,0.26), rgba(0,0,0,0.04));
  }

  .phase-node {
    padding-top: 18px;
  }

  .phase-node::before {
    top: 8px;
  }

  .continuum-flow {
    width: min(100%, 420px);
    flex-direction: column;
    gap: 8px;
  }

  .continuum-word {
    font-size: clamp(1.65rem, 10vw, 2.8rem);
  }

  .continuum-stage .vestiges-floater {
    opacity: 0.42;
  }

  .contact-cta {
    min-width: 0;
    width: min(100%, 420px);
  }

  /* — Use cases touch — disable hover dimming, tap-friendly chips — */
  .uc-field__grid:has(.uc-case:hover) .uc-case:not(:hover) {
    opacity: 1;
  }

  .uc-case:hover {
    background: rgba(var(--uc-a), 0.05);
    border-color: rgba(var(--uc-a), 0.14);
    color: rgba(var(--uc-a), 0.65);
    box-shadow: none;
  }

  .uc-drum__item:not(.is-active):hover .uc-drum__name {
    color: rgba(255,255,255,0.38);
  }

  .usecases-ft__hint {
    display: none;
  }
}

@media (max-width: 600px) {
  :root {
    --slide-pad: clamp(14px, 4vw, 24px);
    --slide-shift: clamp(14px, 3vh, 22px);
  }

  html {
    font-size: 15px;
  }

  #slide-counter {
    right: 12px;
    bottom: 12px;
    font-size: 0.55rem;
  }

  .slide {
    padding: var(--slide-pad);
  }

  h2 {
    font-size: clamp(1.35rem, 5.8vw, 2rem);
    line-height: 1.05;
  }

  p {
    margin-top: 14px;
    max-width: 100%;
    font-size: clamp(0.78rem, 3.3vw, 0.95rem);
    line-height: 1.52;
  }

  p.tagline {
    margin-top: 10px;
    font-size: clamp(0.88rem, 3.8vw, 1.02rem);
  }

  p.sub {
    margin-top: 10px;
    font-size: clamp(0.72rem, 3vw, 0.86rem);
    line-height: 1.5;
  }

  .slide[data-slide="intro"] .slide-content,
  .slide[data-slide="closing"] .slide-content,
  .slide[data-slide="modules"] .slide-content,
  .slide[data-slide="infrastructure"] .slide-content,
  .slide[data-slide="build"] .slide-content,
  .slide[data-slide="positioning"] .slide-content,
  .slide[data-slide="horizon"] .slide-content,
  .brief-layout,
  .onboarding-layout,
  .composition-layout {
    max-width: min(100%, 520px);
    gap: 14px;
  }

  .slide[data-slide="modules"] .slide-content,
  .slide[data-slide="infrastructure"] .slide-content,
  .slide[data-slide="build"] .slide-content,
  .slide[data-slide="positioning"] .slide-content,
  .slide[data-slide="horizon"] .slide-content,
  .brief-layout,
  .onboarding-layout,
  .composition-layout {
    grid-template-columns: 1fr;
  }

  .intro-shell {
    gap: 10px;
  }

  .intro-note,
  .intro-eyebrow {
    font-size: 0.68rem;
  }

  .intro-title {
    max-width: 12ch;
    min-height: 2.1em;
    font-size: clamp(1.7rem, 8vw, 2.8rem);
  }

  .intro-nav {
    width: min(100%, 360px);
    padding: 12px 14px;
    gap: 8px 12px;
    font-size: 0.82rem;
  }

  .slide[data-slide="founder"] .ea-wordmark--founder {
    font-size: clamp(1.35rem, 6.6vw, 1.9rem);
  }

  .onboarding-stack,
  .composition-grid,
  .composition-examples {
    grid-template-columns: 1fr;
  }

  .onboarding-card,
  .onboarding-price,
  .composition-card,
  .composition-example {
    padding: 12px 12px 11px;
    border-radius: var(--radius-panel);
  }

  .onboarding-card strong,
  .onboarding-price strong,
  .composition-card strong,
  .composition-example strong {
    font-size: clamp(0.88rem, 3.6vw, 1.05rem);
  }

  .onboarding-card p,
  .onboarding-price p,
  .composition-card p,
  .composition-example p {
    font-size: clamp(0.76rem, 3vw, 0.9rem);
    line-height: 1.45;
  }

  .onboarding-intro h2,
  .composition-intro h2 {
    max-width: 13ch;
  }

  .onboarding-note,
  .composition-note {
    max-width: 100%;
  }

  .onboarding-pricing {
    grid-column: auto;
    grid-row: auto;
  }

  .slide[data-slide="modules"] h2,
  .slide[data-slide="infrastructure"] h2,
  .slide[data-slide="build"] .build-intro h2,
  .slide[data-slide="positioning"] h2,
  .slide[data-slide="horizon"] h2,
  .brief-layout h2,
  .vestiges-copy h2 {
    font-size: clamp(1.55rem, 6.8vw, 2.2rem);
    letter-spacing: -0.04em;
  }

  .modules-layout,
  .build-layout,
  .infra-layout,
  .horizon-layout,
  .brief-layout {
    gap: 14px;
  }

  .modules-intro,
  .build-intro,
  .infra-intro,
  .horizon-copy,
  .brief-intro {
    gap: 8px;
  }

  .horizon-timeline {
    gap: 10px;
    padding-left: 20px;
  }

  .horizon-track {
    left: 10px;
  }

  .horizon-stage {
    padding: 16px 16px 15px 18px;
    border-radius: 20px;
  }

  .horizon-stage::before {
    left: -26px;
    top: 24px;
  }

  .horizon-stage__chips {
    gap: 6px;
    margin-top: 12px;
  }

  .horizon-stage__chips span {
    min-height: 26px;
    padding: 6px 9px;
    font-size: 0.62rem;
  }

  .horizon-closing {
    grid-column: 1;
    justify-self: start;
    max-width: 100%;
    margin-top: 4px;
    text-align: left;
    font-size: clamp(0.95rem, 3.8vw, 1.08rem);
  }

  .slide[data-slide="businessmodel"] .brief-layout {
    gap: 12px;
  }

  .slide[data-slide="businessmodel"] .brief-intro {
    gap: 6px;
  }

  .slide[data-slide="businessmodel"] .brief-intro h2 {
    max-width: 13ch;
  }

  .slide[data-slide="businessmodel"] .brief-lead {
    max-width: 100%;
    font-size: clamp(0.95rem, 3.7vw, 1.08rem);
  }

  .slide[data-slide="businessmodel"] .brief-summary {
    margin-top: 4px;
  }

  .bridge-layout {
    width: min(100%, 520px);
    min-height: calc(100svh - (var(--slide-pad) * 2));
    grid-template-columns: 1fr;
    gap: 16px;
    align-content: center;
  }

  .bridge-copy {
    max-width: 100%;
    gap: 10px;
  }

  .bridge-copy h2 {
    max-width: 11ch;
    font-size: clamp(1.95rem, 8vw, 3rem);
  }

  .bridge-lead {
    max-width: 100%;
    font-size: clamp(0.96rem, 3.55vw, 1.08rem);
  }

  .bridge-questions {
    gap: 8px;
  }

  .bridge-question {
    padding: 8px 11px;
    font-size: 0.7rem;
  }

  .bridge-response {
    margin-top: 12px;
    padding: 16px;
  }

  .bridge-response__title {
    font-size: clamp(1.02rem, 4.7vw, 1.35rem);
  }

  .bridge-response__body {
    font-size: clamp(0.88rem, 3.5vw, 1rem);
  }

  .bridge-answer {
    padding: 18px;
  }

  .bridge-answer__grid {
    gap: 8px;
    margin-top: 12px;
  }

  .bridge-answer__grid article {
    padding: 11px 12px;
  }

  .bridge-answer__footer {
    max-width: 100%;
    margin-top: 12px;
  }

  .modules-kicker,
  .build-kicker,
  .infra-kicker,
  .brief-intro .tagline,
  .graphos-note__kicker {
    font-size: 0.5rem;
    letter-spacing: 0.14em;
  }

  .modules-feature {
    padding: 16px 16px 17px;
    gap: 12px;
    border-radius: 22px;
  }

  .modules-store,
  .modules-grid,
  .build-grid,
  .build-assets,
  .brief-stack {
    grid-template-columns: 1fr;
  }

  .slide[data-slide="partnerships"] .brief-stack,
  .slide[data-slide="businessmodel"] .brief-stack {
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(72vw, 1fr);
    gap: 8px;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scroll-snap-type: x mandatory;
  }

  .slide[data-slide="partnerships"] .brief-stack::-webkit-scrollbar,
  .slide[data-slide="businessmodel"] .brief-stack::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="partnerships"] .brief-card,
  .slide[data-slide="businessmodel"] .brief-card {
    min-height: 94px;
    padding: 11px 11px 10px;
    border-radius: 16px;
    scroll-snap-align: start;
  }

  .slide[data-slide="partnerships"] .brief-card strong,
  .slide[data-slide="businessmodel"] .brief-card strong {
    font-size: clamp(0.88rem, 3.8vw, 1.12rem);
  }

  .slide[data-slide="partnerships"] .brief-card span,
  .slide[data-slide="businessmodel"] .brief-card span {
    margin-left: 14px;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
  }

  .slide[data-slide="modules"] .modules-grid {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(74vw, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 8px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .slide[data-slide="modules"] .modules-grid::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="modules"] .modules-grid .module-card {
    scroll-snap-align: start;
  }

  .slide[data-slide="build"] .build-grid {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(60vw, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 4px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .slide[data-slide="build"] .build-grid::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="build"] .build-grid .build-card {
    scroll-snap-align: start;
  }

  .slide[data-slide="build"] .build-path {
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .slide[data-slide="build"] .build-path::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="build"] .build-path .build-step {
    scroll-snap-align: start;
  }

  .modules-feature strong {
    max-width: 14ch;
    font-size: clamp(1.18rem, 5.4vw, 1.65rem);
  }

  .modules-feature p {
    max-width: 100%;
    font-size: 0.84rem;
  }

  .modules-feature__chips span,
  .modules-feature__status {
    min-height: 22px;
    font-size: 0.48rem;
  }

  .module-card {
    min-height: 120px;
    padding: 14px 14px 13px;
    border-radius: 18px;
    gap: 8px;
  }

  .module-card strong {
    font-size: clamp(1rem, 4.4vw, 1.28rem);
  }

  .module-card p,
  .build-card p {
    max-width: 100%;
    font-size: 0.84rem;
  }

  .module-card__badge,
  .module-card__index,
  .module-card__cta,
  .module-card__foot span:first-child,
  .build-card__badge,
  .build-card__index,
  .build-card__cta,
  .build-card__foot span:first-child {
    font-size: 0.48rem;
  }

  .build-intro h2 {
    max-width: 14ch;
    font-size: clamp(1.5rem, 6.6vw, 2.1rem);
  }

  .build-lead,
  .build-summary {
    max-width: 100%;
  }

  .build-path,
  .infra-path {
    gap: 5px;
    padding: 9px 10px;
    border-radius: 16px;
  }

  .build-step,
  .infra-step {
    min-height: 22px;
    padding: 4px 7px;
    font-size: 0.42rem;
    letter-spacing: 0.08em;
  }

  .build-step__arrow,
  .infra-step__arrow {
    font-size: 0.52rem;
  }

  .build-surface,
  .build-assets,
  .brief-card,
  .infra-card {
    border-radius: var(--radius-panel);
    padding: 8px 9px 9px 10px;
  }

  .build-surface__window {
    min-height: clamp(88px, 16svh, 132px);
    border-radius: calc(var(--radius-panel) - 2px);
  }

  .build-surface__viewport {
    padding: 7px;
  }

  .build-grid,
  .build-assets {
    gap: 6px;
  }

  .build-card {
    min-height: 76px;
    padding: 8px 8px 7px;
    border-radius: var(--radius-card);
    gap: 4px;
  }

  .build-card strong {
    font-size: clamp(0.78rem, 3.2vw, 0.98rem);
  }

  .build-assets__lead strong {
    font-size: clamp(0.78rem, 3.2vw, 0.92rem);
  }

  .build-assets__lead p {
    max-width: 100%;
  }

  .build-assets__chips {
    justify-content: flex-start;
  }

  .infra-lead,
  .graphos-note p,
  .graphos-window__hint,
  .build-assets__lead p {
    font-size: 0.82rem;
    line-height: 1.48;
  }

  .infra-stack {
    padding-left: 16px;
    gap: 8px;
  }

  .infra-card strong {
    font-size: clamp(0.96rem, 4vw, 1.16rem);
  }

  .infra-card small {
    font-size: 0.78rem;
  }

  .brief-card {
    min-height: 84px;
    padding: 12px 12px 11px;
    border-radius: var(--radius-panel);
  }

  .brief-card strong {
    font-size: clamp(0.84rem, 3.6vw, 1rem);
  }

  .brief-card span {
    margin-left: 14px;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
  }

  .graphos-note {
    max-width: min(68vw, 190px);
    padding: 5px 8px;
    gap: 5px;
    border-radius: var(--radius-chip);
  }

  .graphos-note__kicker {
    min-height: 16px;
    padding: 0 6px;
    font-size: 0.38rem;
    letter-spacing: 0.15em;
  }

  .graphos-note strong {
    font-size: clamp(0.62rem, 2.7vw, 0.8rem);
  }

  .graphos-window {
    left: 10px;
    right: 10px;
    top: auto;
    bottom: calc(10px + env(safe-area-inset-bottom));
    width: auto;
    padding: 0;
    border: 0;
    background: transparent;
    box-shadow: none;
    opacity: 1;
    pointer-events: none;
    transform: none;
  }

  .graphos-slide .slide-canvas {
    display: block;
    pointer-events: auto;
  }

  .graphos-slide .slide-content {
    display: none;
  }

  .graphos-note {
    left: 10px;
    top: 10px;
    max-width: min(72vw, 190px);
    pointer-events: auto;
    cursor: pointer;
  }

  .graphos-window__body {
    height: clamp(150px, 21svh, 190px);
    border-radius: var(--radius-panel);
    padding-bottom: 36px;
  }

  .graphos-window__header,
  .graphos-window__body,
  .graphos-window__hint {
    display: none;
  }

  .graphos-window__meta {
    width: 100%;
    padding: 8px;
    border-radius: var(--radius-frame);
    border: 1px solid rgba(255,255,255,0.10);
    background:
      linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
      rgba(255,255,255,0.02);
    backdrop-filter: blur(16px) saturate(130%);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    box-shadow:
      0 12px 28px rgba(0,0,0,0.14),
      inset 0 1px 0 rgba(255,255,255,0.08);
    gap: 6px;
    justify-content: space-between;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    pointer-events: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .graphos-window__meta::-webkit-scrollbar {
    display: none;
  }

  .graphos-window__chip {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 0.45rem;
  }

  .graphos-window__chip--info,
  .graphos-window__chip--mobile-action {
    display: none;
  }

  .graphos-window__chip--select {
    min-width: 92px;
  }

  .graphos-window__chip--select select {
    min-width: 0;
    width: 100%;
  }

  .graphos-window__feed {
    gap: 6px;
    padding: 9px;
  }

  .graphos-row {
    min-height: 46px;
    padding: 9px 10px;
    border-radius: var(--radius-card);
    gap: 8px;
  }

  .graphos-row strong {
    font-size: 0.52rem;
  }

  .graphos-row span {
    font-size: 0.74rem;
  }

  .graphos-row small {
    font-size: 0.5rem;
  }

  .graphos-window__hint {
    left: 10px;
    right: 10px;
    bottom: 7px;
  }

  .graphos-context-menu {
    min-width: 200px;
    max-width: min(88vw, 260px);
    padding: 8px;
    border-radius: var(--radius-frame);
  }

  .graphos-context-menu__header {
    gap: 8px;
    padding: 3px 4px 10px;
    margin-bottom: 6px;
  }

  .graphos-context-menu__name {
    font-size: 0.68rem;
  }

  .graphos-context-menu__toggle,
  .graphos-context-menu__item {
    min-height: 36px;
    padding-top: 9px;
    padding-bottom: 9px;
    font-size: 0.5rem;
  }

  .graphos-color-picker {
    width: 152px;
    height: 152px;
    padding: 5px;
    border-radius: var(--radius-frame);
  }

  .graphos-color-picker canvas {
    width: 142px;
    height: 142px;
  }

  .slide[data-slide="modules"] p,
  .slide[data-slide="modules"] .sub {
    max-width: 100%;
  }

  .module-pill {
    min-width: 68px;
    padding: 8px 12px 8px 26px;
    font-size: 0.58rem;
    letter-spacing: 0.05em;
  }

  .module-pill::before {
    left: 10px;
    width: 6px;
    height: 6px;
  }

  .phase-timeline {
    width: min(100%, 360px);
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .continuum-flow {
    width: min(100%, 360px);
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .continuum-word {
    font-size: clamp(1.35rem, 7vw, 2rem);
  }

  .vestiges-stage,
  .continuum-stage {
    padding: clamp(14px, 4.2svh, 28px) clamp(12px, 4vw, 20px);
  }

  .vestiges-logo {
    width: min(126px, 32vw);
  }

  .vestiges-pitch {
    font-size: 0.92rem;
  }

  .contact-cta {
    width: min(100%, 340px);
    padding: 13px 18px;
    font-size: 0.86rem;
  }

  /* — Use cases 600px — tighter chips and header — */
  .usecases-hd__headline {
    font-size: clamp(0.86rem, 2.4vw, 1rem);
  }

  .uc-drum__item {
    padding: 5px 11px;
    gap: 6px;
  }

  .uc-drum__dot {
    width: 5px;
    height: 5px;
  }

  .uc-drum__name {
    font-size: 0.7rem !important;
  }

  .uc-drum__item.is-active .uc-drum__name {
    font-size: 0.7rem !important;
  }

  .uc-case--primary {
    height: 34px;
    padding: 0 14px;
    font-size: 0.8rem;
  }

  .uc-case--secondary {
    height: 28px;
    padding: 0 11px;
    font-size: 0.72rem;
  }

  .uc-case--tertiary {
    height: 23px;
    padding: 0 9px;
    font-size: 0.66rem;
  }

  .uc-field__grid {
    gap: 5px;
  }
}

@media (max-width: 420px) {
  :root {
    --radius-frame: clamp(16px, 4.2vw, 22px);
    --radius-panel: clamp(12px, 3.4vw, 18px);
    --radius-card: clamp(10px, 2.8vw, 14px);
    --radius-chip: 999px;
  }

  .slide[data-slide="modules"] {
    --slide-pad: clamp(10px, 2.8vw, 16px);
    justify-content: flex-start;
  }

  .slide[data-slide="infrastructure"] {
    --slide-pad: clamp(10px, 2.8vw, 16px);
    justify-content: flex-start;
  }

  .slide[data-slide="modules"] .slide-content {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: min(100%, 430px) !important;
    height: calc(var(--app-height, 100svh) - (var(--slide-pad) * 2)) !important;
    max-width: 100% !important;
    gap: 6px !important;
    overflow: hidden !important;
  }

  .slide[data-slide="infrastructure"] .slide-content {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: min(100%, 430px) !important;
    height: calc(var(--app-height, 100svh) - (var(--slide-pad) * 2)) !important;
    max-width: 100% !important;
    gap: 6px !important;
    overflow: hidden !important;
  }

  .slide[data-slide="modules"] .slide-content > * {
    width: 100% !important;
    min-width: 0 !important;
  }

  .slide[data-slide="infrastructure"] .slide-content > * {
    width: 100% !important;
    min-width: 0 !important;
  }

  .slide[data-slide="modules"] .modules-layout {
    width: 100%;
    gap: 8px !important;
  }

  .slide[data-slide="modules"] .modules-intro {
    width: 100%;
    gap: 4px !important;
    max-width: 100% !important;
  }

  .slide[data-slide="infrastructure"] .infra-layout {
    width: 100%;
    gap: 8px !important;
  }

  .slide[data-slide="infrastructure"] .infra-intro {
    width: 100%;
    gap: 4px !important;
    max-width: 100% !important;
  }

  .slide[data-slide="infrastructure"] .infra-intro .tagline {
    font-size: 0.48rem;
    letter-spacing: 0.14em;
  }

  .slide[data-slide="infrastructure"] .infra-intro h2 {
    max-width: 14ch;
    font-size: clamp(0.98rem, 4vw, 1.24rem);
    line-height: 1.05;
  }

  .slide[data-slide="infrastructure"] .infra-lead,
  .slide[data-slide="infrastructure"] .infra-summary {
    display: none;
  }

  .slide[data-slide="infrastructure"] .infra-path {
    width: 100%;
    gap: 5px;
    padding: 6px 7px;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .slide[data-slide="infrastructure"] .infra-path::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="infrastructure"] .infra-step {
    scroll-snap-align: start;
    min-height: 18px;
    padding: 2px 6px;
    font-size: 0.35rem;
  }

  .slide[data-slide="infrastructure"] .infra-step__arrow {
    font-size: 0.48rem;
  }

  .slide[data-slide="infrastructure"] .infra-stack {
    width: 100%;
    padding-left: 0;
    gap: 6px;
  }

  .slide[data-slide="infrastructure"] .infra-stack::before {
    display: none;
  }

  .slide[data-slide="infrastructure"] .infra-card {
    min-height: 0;
    padding: 9px 10px 10px 11px;
    border-radius: var(--radius-panel);
  }

  .slide[data-slide="infrastructure"] .infra-card span {
    font-size: 0.4rem;
  }

  .slide[data-slide="infrastructure"] .infra-card strong {
    font-size: clamp(0.84rem, 3.4vw, 1.04rem);
  }

  .slide[data-slide="infrastructure"] .infra-card small {
    font-size: 0.64rem;
    line-height: 1.2;
  }

  .slide[data-slide="modules"] .modules-intro p {
    margin-top: 8px;
    font-size: clamp(0.68rem, 2.8vw, 0.8rem);
    line-height: 1.35;
  }

  .slide[data-slide="modules"] .modules-intro .sub {
    display: none;
  }

  .slide[data-slide="modules"] .modules-store {
    gap: 8px !important;
  }

  .slide[data-slide="modules"] .modules-feature {
    padding: 10px 10px 11px !important;
    gap: 8px !important;
    min-height: 0 !important;
    border-radius: var(--radius-frame) !important;
  }

  .slide[data-slide="modules"] .modules-feature__top {
    gap: 8px !important;
    align-items: flex-start;
  }

  .slide[data-slide="modules"] .modules-feature__status {
    min-height: 18px;
    padding: 0 8px;
    font-size: 0.38rem;
  }

  .slide[data-slide="modules"] .modules-feature strong {
    max-width: 13ch;
    font-size: clamp(1rem, 4vw, 1.22rem);
    line-height: 1.02;
  }

  .slide[data-slide="modules"] .modules-feature p {
    display: none;
  }

  .slide[data-slide="modules"] .modules-feature__chips {
    gap: 4px;
  }

  .slide[data-slide="modules"] .modules-feature__chips span {
    min-height: 18px;
    padding: 0 7px;
    font-size: 0.4rem;
  }

  .slide[data-slide="modules"] .modules-feature__meta {
    display: none;
  }

  .slide[data-slide="infrastructure"] .infra-stack {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(58vw, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 2px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .slide[data-slide="infrastructure"] .infra-stack::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="infrastructure"] .infra-stack .infra-card {
    scroll-snap-align: start;
  }

  .slide[data-slide="build"] .slide-content {
    display: flex !important;
    flex-direction: column !important;
    align-items: center !important;
    justify-content: flex-start !important;
    width: min(100%, 420px) !important;
    height: calc(var(--app-height, 100svh) - (var(--slide-pad) * 2)) !important;
    max-width: 100% !important;
    gap: 6px !important;
    overflow: hidden !important;
  }

  .slide[data-slide="build"] .slide-content > * {
    width: 100% !important;
    min-width: 0 !important;
  }

  .slide[data-slide="build"] .build-intro {
    gap: 3px !important;
  }

  .slide[data-slide="build"] .build-intro h2 {
    max-width: 14ch !important;
    font-size: clamp(0.96rem, 4vw, 1.25rem) !important;
  }

  .slide[data-slide="build"] .build-lead {
    max-width: 100% !important;
    font-size: clamp(0.68rem, 2.6vw, 0.82rem) !important;
    line-height: 1.26 !important;
  }

  .slide[data-slide="build"] .build-path {
    width: 100% !important;
    padding: 5px 6px !important;
  }

  .slide[data-slide="build"] .build-step {
    min-height: 18px !important;
    padding: 2px 6px !important;
    font-size: 0.36rem !important;
    letter-spacing: 0.08em !important;
  }

  .slide[data-slide="build"] .build-workbench {
    width: 100% !important;
    min-width: 0 !important;
    gap: 4px !important;
    padding: 6px !important;
    overflow: hidden !important;
    border-radius: var(--radius-frame) !important;
  }

  .slide[data-slide="build"] .build-surface {
    width: 100% !important;
    min-width: 0 !important;
    gap: 4px !important;
    padding: 6px !important;
    border-radius: var(--radius-panel) !important;
  }

  .slide[data-slide="build"] .build-surface__window {
    min-height: 72px !important;
    border-radius: calc(var(--radius-panel) - 2px) !important;
  }

  .slide[data-slide="build"] .build-surface__viewport {
    gap: 4px !important;
    padding: 6px !important;
  }

  .slide[data-slide="build"] .build-surface__hero {
    gap: 3px !important;
    max-width: 100% !important;
  }

  .slide[data-slide="build"] .build-surface__hero strong {
    font-size: clamp(0.72rem, 3vw, 0.9rem) !important;
  }

  .slide[data-slide="build"] .build-surface__chips span,
  .slide[data-slide="build"] .build-card__chips span,
  .slide[data-slide="build"] .build-asset-chip {
    min-height: 14px !important;
    padding: 0 6px !important;
    font-size: 0.34rem !important;
  }

  .slide[data-slide="build"] .build-grid {
    gap: 4px !important;
    padding-bottom: 2px !important;
    grid-auto-columns: minmax(50vw, 1fr) !important;
  }

  .slide[data-slide="build"] .build-card {
    min-height: 62px !important;
    padding: 7px 7px 6px !important;
    gap: 3px !important;
    border-radius: var(--radius-card) !important;
  }

  .slide[data-slide="build"] .build-card strong {
    font-size: clamp(0.72rem, 3vw, 0.9rem) !important;
  }

  .slide[data-slide="build"] .build-card p {
    font-size: 0.54rem !important;
    line-height: 1.18 !important;
  }

  .slide[data-slide="build"] .build-card__foot {
    padding-top: 3px !important;
  }

  .slide[data-slide="build"] .build-assets {
    width: 100% !important;
    min-width: 0 !important;
    gap: 4px !important;
    padding: 6px 8px !important;
    border-radius: var(--radius-panel) !important;
  }

  .slide[data-slide="build"] .build-assets__lead {
    gap: 2px !important;
  }

  .slide[data-slide="build"] .build-assets__lead strong {
    font-size: clamp(0.72rem, 3vw, 0.9rem) !important;
  }

  .slide[data-slide="build"] .build-assets__chips {
    gap: 4px !important;
  }

  .slide[data-slide="modules"] .modules-grid {
    display: grid;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(58vw, 1fr);
    overflow-x: auto;
    overflow-y: hidden;
    padding-bottom: 2px;
    gap: 6px;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
    scrollbar-width: none;
  }

  .slide[data-slide="modules"] .modules-grid::-webkit-scrollbar {
    display: none;
  }

  .slide[data-slide="modules"] .modules-grid .module-card {
    scroll-snap-align: start;
  }

  .slide[data-slide="modules"] .module-card {
    min-height: 88px;
    padding: 8px 8px 7px;
    gap: 3px;
    border-radius: var(--radius-card);
  }

  .slide[data-slide="modules"] .module-card__top,
  .slide[data-slide="modules"] .module-card__foot {
    gap: 4px;
  }

  .slide[data-slide="modules"] .module-card strong {
    font-size: clamp(0.82rem, 3.4vw, 1rem);
    line-height: 1.03;
  }

  .slide[data-slide="modules"] .module-card p {
    display: none;
  }

  .slide[data-slide="modules"] .module-card__index,
  .slide[data-slide="modules"] .module-card__cta,
  .slide[data-slide="modules"] .module-card__foot span:first-child,
  .slide[data-slide="modules"] .module-card__badge {
    font-size: 0.34rem;
  }

  .slide[data-slide="modules"] .module-card__badge {
    min-height: 18px;
    padding: 0 7px;
  }

  .slide[data-slide="modules"] .module-card__foot {
    padding-top: 4px;
  }

  /* — Use cases 420px — minimum phone, very compact — */
  .usecases-shell {
    row-gap: clamp(8px, 1.6vh, 14px);
  }

  .usecases-hd {
    padding-bottom: clamp(8px, 1.4vh, 14px);
    margin-bottom: 0;
  }

  .usecases-hd__kicker { font-size: 0.58rem; }

  .usecases-hd__headline {
    font-size: clamp(0.78rem, 3.6vw, 0.92rem);
  }

  .uc-drum__item {
    padding: 4px 9px;
    gap: 5px;
  }

  .uc-drum__dot {
    width: 4px;
    height: 4px;
  }

  .uc-drum__name {
    font-size: 0.62rem !important;
  }

  .uc-drum__item.is-active .uc-drum__name {
    font-size: 0.62rem !important;
  }

  .uc-field__header {
    margin-bottom: clamp(8px, 1.4vh, 14px);
  }

  .uc-field__eyebrow { font-size: 0.6rem; }

  .uc-field__desc {
    font-size: 0.74rem;
    line-height: 1.42;
  }

  .uc-case--primary {
    height: 30px;
    padding: 0 12px;
    font-size: 0.74rem;
  }

  .uc-case--secondary {
    height: 25px;
    padding: 0 9px;
    font-size: 0.66rem;
  }

  .uc-case--tertiary {
    height: 21px;
    padding: 0 8px;
    font-size: 0.6rem;
  }

  .uc-field__grid { gap: 4px; }

  .usecases-ft__hint { font-size: 0.54rem; }
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --slide-dur: 0.01ms;
    --text-dur: 0.01ms;
    --motion-fast: 0.01ms;
    --motion-med: 0.01ms;
    --motion-slow: 0.01ms;
  }

  .vestiges-floater,
  .continuum-word,
  .phase-node,
  .contact-cta,
  .intro-nav,
  .ea-wordmark,
  .module-pill,
  .brief-card,
  .graphos-window__feed,
  .graphos-row,
  .graphos-window__chip,
  .graphos-window__dot,
  .slide::before {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .slide.is-active .continuum-word,
  .slide.is-active .vestiges-stage,
  .slide.is-active .vestiges-floaters,
  .slide.is-active .infra-card,
  .slide.is-active .infra-step {
    animation: none !important;
  }

  .intro-title::after {
    animation: none !important;
  }

  .intro-nav {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}

@media (max-width: 600px) {
  .graphos-slide .slide-content {
    display: none !important;
  }

  .graphos-slide .slide-canvas {
    display: block !important;
    pointer-events: auto;
  }

  .graphos-slide .graphos-window {
    position: fixed;
    left: 10px;
    right: 10px;
    top: auto;
    bottom: calc(10px + env(safe-area-inset-bottom));
    width: auto;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent !important;
    box-shadow: none !important;
    backdrop-filter: none !important;
    -webkit-backdrop-filter: none !important;
    opacity: 1;
    pointer-events: none;
    transform: none !important;
    overflow: visible;
    z-index: 30;
  }

  .graphos-slide .graphos-window::before,
  .graphos-slide .graphos-window::after {
    display: none !important;
  }

  .graphos-slide .graphos-window__header,
  .graphos-slide .graphos-window__body,
  .graphos-slide .graphos-window__hint {
    display: none !important;
  }

  .graphos-slide .graphos-window__meta {
    display: flex;
    position: relative;
    width: 100%;
    padding: 8px;
    border-radius: var(--radius-frame);
    border: 1px solid rgba(255,255,255,0.10);
    background:
      linear-gradient(160deg, rgba(255,255,255,0.08), rgba(255,255,255,0.03)),
      rgba(255,255,255,0.02);
    backdrop-filter: blur(16px) saturate(130%);
    -webkit-backdrop-filter: blur(16px) saturate(130%);
    box-shadow:
      0 12px 28px rgba(0,0,0,0.14),
      inset 0 1px 0 rgba(255,255,255,0.08);
    gap: 6px;
    justify-content: space-between;
    flex-wrap: nowrap;
    overflow-x: auto;
    overflow-y: hidden;
    pointer-events: auto;
    scrollbar-width: none;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x;
  }

  .graphos-slide .graphos-window__meta::-webkit-scrollbar {
    display: none;
  }

  .graphos-slide .graphos-window__chip {
    min-height: 30px;
    padding: 5px 9px;
    font-size: 0.45rem;
  }

  .graphos-slide .graphos-window__chip--info,
  .graphos-slide .graphos-window__chip--mobile-action {
    display: none !important;
  }

  .graphos-slide .graphos-window__chip--select {
    min-width: 92px;
  }

  .graphos-slide .graphos-window__chip--select select {
    min-width: 0;
    width: 100%;
  }

  .graphos-slide .graphos-window__chip--action {
    flex: 0 0 auto;
  }

  .graphos-slide .graphos-context-menu {
    z-index: 40;
  }
}