/* ===================================================================
   SceneView Website — Stitch M3 Design Faithful Conversion
   Colors: M3 Expressive from Stitch Tailwind config
   Layout: Faithful to Stitch screen 2 (primary) + screen 1 (gallery/platforms)
   =================================================================== */

/* ===== DESIGN TOKENS ===== */
:root {
  /* M3 Stitch Colors */
  --color-primary: #005bc1;
  --color-primary-dim: #0050aa;
  --color-secondary: #005eb8;
  --color-tertiary: #6446cd;
  --color-on-surface: #1e3256;
  --color-on-surface-variant: #4c5f85;
  --color-on-primary: #f9f8ff;
  --color-surface: #f9f9ff;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #f1f3ff;
  --color-surface-container: #e9edff;
  --color-surface-container-high: #e0e8ff;
  --color-surface-container-highest: #d8e2ff;
  --color-primary-container: #a4c1ff;
  --color-secondary-container: #d6e3ff;
  --color-tertiary-container: #beaeff;
  --color-on-primary-container: #003a7f;
  --color-on-secondary-container: #0051a0;
  --color-on-tertiary-container: #3a09a4;
  --color-outline: #687ba3;
  --color-outline-variant: #9fb2dd;
  --color-inverse-surface: #040e20;
  --color-primary-fixed-dim: #8db3ff;
  --color-surface-dim: #cbdaff;
  --color-inverse-on-surface: #939db5;

  /* Status */
  --color-status-stable: #16a34a;
  --color-status-beta: #2563eb;
  --color-status-alpha: #7c3aed;
  --color-status-soon: #4c5f85;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, #005bc1 0%, #6446cd 100%);

  /* Shadows — from Stitch */
  --shadow-card: 0px 12px 32px rgba(30, 50, 86, 0.06);
  --shadow-xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);

  /* Glass nav */
  --glass-nav-bg: rgba(255, 255, 255, 0.8);
  --glass-blur: 20px;

  /* Typography */
  --font-body: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', 'Fira Code', monospace;

  /* Spacing */
  --container-max: 1280px;
  --container-padding: 32px;
  --nav-height: 64px;

  /* Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-expressive: cubic-bezier(0.2, 0, 0, 1);
  --duration-short: 200ms;
  --duration-medium: 350ms;
  --duration-long: 700ms;
}

/* ===== DARK MODE — GitHub-dark inspired, high contrast ===== */
[data-theme="dark"] {
  --color-primary: #79c0ff;
  --color-primary-dim: #58a6ff;
  --color-secondary: #a5d6ff;
  --color-tertiary: #d2a8ff;
  --color-on-surface: #f0f6fc;
  --color-on-surface-variant: #c9d1d9;
  --color-on-primary: #001d3d;
  --color-surface: #0d1117;
  --color-surface-container-lowest: #161b22;
  --color-surface-container-low: #1c2128;
  --color-surface-container: #21262d;
  --color-surface-container-high: #282e36;
  --color-surface-container-highest: #30363d;
  --color-primary-container: #0d419d;
  --color-secondary-container: #0a3069;
  --color-tertiary-container: #5a32a3;
  --color-on-primary-container: #a5d6ff;
  --color-on-secondary-container: #d2e5ff;
  --color-on-tertiary-container: #d2a8ff;
  --color-outline: #30363d;
  --color-outline-variant: #484f58;
  --color-inverse-surface: #f0f6fc;
  --color-primary-fixed-dim: #79c0ff;
  --color-surface-dim: #161b22;
  --color-inverse-on-surface: #484f58;

  --color-status-stable: #56d364;
  --color-status-beta: #58a6ff;
  --color-status-alpha: #bc8cff;
  --color-status-soon: #8b949e;

  --gradient-hero: linear-gradient(135deg, #0d419d 0%, #5a32a3 100%);

  --shadow-card: 0px 4px 16px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(48, 54, 61, 0.5);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);

  --glass-nav-bg: rgba(13, 17, 23, 0.90);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-on-surface);
  background: var(--color-surface);
  transition: background var(--duration-medium) var(--ease-expressive),
              color var(--duration-medium) var(--ease-expressive);
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button { font: inherit; border: none; background: none; cursor: pointer; color: inherit; }
ul { list-style: none; }

/* ===== MATERIAL SYMBOLS ===== */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
}

/* ===== SCROLL REVEAL ===== */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease-out,
              transform 0.5s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ===== NAVIGATION — Glass Panel ===== */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 100;
  background: var(--glass-nav-bg);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--shadow-card);
  transition: background var(--duration-medium) var(--ease-expressive);
}

.nav__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  color: var(--color-on-surface);
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: -0.01em;
}

.nav__link {
  color: var(--color-on-surface);
  opacity: 0.7;
  transition: opacity var(--duration-short), color var(--duration-short);
}

.nav__link:hover {
  opacity: 1;
  color: var(--color-primary);
}

.nav__link--active {
  color: var(--color-primary);
  font-weight: 600;
  opacity: 1;
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 4px;
}

.nav__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav__icon-btn {
  color: var(--color-primary);
  transition: transform var(--duration-short) var(--ease-spring);
  display: flex;
  align-items: center;
}

.nav__icon-btn:active {
  transform: scale(0.95);
}

.nav__theme-toggle {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-variant);
  transition: background var(--duration-short), color var(--duration-short), transform var(--duration-short) var(--ease-spring);
}

.nav__theme-toggle:hover {
  background: rgba(0, 91, 193, 0.08);
  color: var(--color-primary);
  transform: scale(1.1);
}

.icon-moon { display: none; }
[data-theme="dark"] .icon-sun { display: none; }
[data-theme="dark"] .icon-moon { display: block; }

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 32px;
  height: 32px;
  justify-content: center;
  align-items: center;
  z-index: 110;
}

.nav__hamburger--mobile { display: none; }

.nav__hamburger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-on-surface);
  border-radius: 2px;
  transition: all var(--duration-short) var(--ease-spring);
}

.nav__hamburger.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav__hamburger.active span:nth-child(2) { opacity: 0; }
.nav__hamburger.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== HERO ===== */
.hero {
  position: relative;
  background: var(--gradient-hero);
  color: #ffffff;
  overflow: hidden;
  min-height: 700px;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
}

.hero__bg-effects {
  position: absolute;
  inset: 0;
  opacity: 0.2;
  pointer-events: none;
}

.hero__glow--left {
  position: absolute;
  top: 0;
  left: 25%;
  width: 384px;
  height: 384px;
  background: #ffffff;
  border-radius: 50%;
  filter: blur(120px);
}

.hero__glow--right {
  position: absolute;
  bottom: 0;
  right: 25%;
  width: 500px;
  height: 500px;
  background: var(--color-tertiary);
  border-radius: 50%;
  filter: blur(150px);
}

.hero__container {
  position: relative;
  z-index: 10;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 96px var(--container-padding);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.hero__title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero__description {
  font-size: clamp(1rem, 2vw, 1.25rem);
  opacity: 0.9;
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 560px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 48px;
}

.hero__btn {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 1.125rem;
  padding: 16px 32px;
  border-radius: 9999px;
  transition: transform var(--duration-short) var(--ease-spring), box-shadow var(--duration-short);
}

.hero__btn:active {
  transform: scale(0.95);
}

.hero__btn--primary {
  background: var(--color-surface-container-lowest);
  color: var(--color-primary);
  box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .hero__btn--primary {
  background: #ffffff;
  color: #005bc1;
}

.hero__btn--primary:hover {
  transform: scale(1.05);
}

.hero__btn--outline {
  border: 2px solid rgba(255, 255, 255, 0.3);
  color: var(--color-surface-container-lowest);
}

[data-theme="dark"] .hero__btn--outline {
  border-color: rgba(255, 255, 255, 0.25);
  color: #ffffff;
}

.hero__btn--outline:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hero__platforms {
  display: flex;
  align-items: center;
  gap: 24px;
  opacity: 0.8;
}

.hero__platform {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero__platform .material-symbols-outlined {
  font-size: 1.875rem;
}

.hero__platform span:last-child {
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
}

/* Hero visual / 3D model */
.hero__visual {
  display: block;
}

.hero__model-wrapper {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  background: rgba(241, 243, 255, 0.1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 16px;
  transform: rotate(3deg);
}

.hero__fallback-img {
  border-radius: 16px;
  width: 100%;
  height: 500px;
  object-fit: cover;
  transition: opacity 0.8s ease;
}

.hero__canvas {
  position: absolute;
  inset: 16px;
  width: calc(100% - 32px);
  height: calc(100% - 32px);
  border-radius: 16px;
  cursor: grab;
  display: block;
  opacity: 0;
  transition: opacity 0.8s ease;
}

.hero__loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.hero__loader span {
  font-size: 0.85rem;
  opacity: 0.45;
  font-weight: 500;
}

.hero__badge {
  position: absolute;
  bottom: 28px;
  right: 28px;
  font-size: 0.65rem;
  opacity: 0;
  transition: opacity 0.5s ease;
  pointer-events: none;
  color: rgba(255, 255, 255, 0.6);
  font-weight: 500;
  letter-spacing: 0.03em;
}

/* ===== FEATURES GRID ===== */
.features {
  padding: 96px 0;
}

.features__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.features__header {
  margin-bottom: 64px;
}

.features__title {
  font-size: clamp(1.875rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-on-surface);
  margin-bottom: 16px;
}

.features__accent-bar {
  height: 6px;
  width: 96px;
  background: var(--color-primary);
  border-radius: 9999px;
}

.features__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--color-surface-container-lowest);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-card__icon .material-symbols-outlined {
  font-size: 24px;
}

/* Varied icon backgrounds — faithful to Stitch */
.feature-card__icon--primary-container {
  background: var(--color-primary-container);
  color: var(--color-primary);
}

[data-theme="dark"] .feature-card__icon--primary-container {
  background: rgba(0, 91, 193, 0.2);
  color: var(--color-primary);
}

.feature-card__icon--secondary-container {
  background: var(--color-secondary-container);
  color: var(--color-secondary);
}

[data-theme="dark"] .feature-card__icon--secondary-container {
  background: rgba(0, 94, 184, 0.2);
  color: var(--color-secondary);
}

.feature-card__icon--tertiary-container {
  background: var(--color-tertiary-container);
  color: var(--color-tertiary);
}

[data-theme="dark"] .feature-card__icon--tertiary-container {
  background: rgba(100, 70, 205, 0.2);
  color: var(--color-tertiary);
}

.feature-card__icon--surface-high {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
}

[data-theme="dark"] .feature-card__icon--surface-high {
  background: var(--color-surface-container-high);
  color: var(--color-on-surface);
}

.feature-card__icon--primary-container-dim {
  background: rgba(164, 193, 255, 0.4);
  color: var(--color-primary);
}

[data-theme="dark"] .feature-card__icon--primary-container-dim {
  background: rgba(0, 91, 193, 0.15);
  color: var(--color-primary);
}

.feature-card__icon--tertiary-container-dim {
  background: rgba(190, 174, 255, 0.4);
  color: var(--color-tertiary);
}

[data-theme="dark"] .feature-card__icon--tertiary-container-dim {
  background: rgba(100, 70, 205, 0.15);
  color: var(--color-tertiary);
}

.feature-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.01em;
}

.feature-card__text {
  color: var(--color-on-surface-variant);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ===== CODE SECTION ===== */
.code-section {
  padding: 96px 0;
  background: var(--color-surface-container-low);
}

.code-section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.code-section__header {
  text-align: center;
  margin-bottom: 64px;
}

.code-section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.code-section__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
}

.code-section__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

/* Kotlin card */
.code-card--kotlin {
  background: #0f172a;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-card--kotlin .code-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(51, 65, 85, 0.5);
}

.code-card--kotlin .code-card__lang {
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(148, 163, 184, 1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Swift card */
.code-card--swift {
  background: #1e1e1e;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-card--swift .code-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(63, 63, 70, 0.5);
}

.code-card--swift .code-card__lang {
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(161, 161, 170, 1);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.code-card__dots {
  display: flex;
  gap: 6px;
}

.code-card__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.code-card__dot--red { background: rgba(239, 68, 68, 0.5); }
.code-card__dot--yellow { background: rgba(234, 179, 8, 0.5); }
.code-card__dot--green { background: rgba(34, 197, 94, 0.5); }
.code-card__dot--grey { background: rgba(63, 63, 70, 1); }

.code-card__body {
  padding: 24px;
  overflow-x: auto;
}

.code-card__body pre {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(203, 213, 225, 1);
}

.code-card--swift .code-card__body pre {
  color: rgba(212, 212, 216, 1);
}

/* Syntax highlighting */
.syn-purple { color: #c084fc; }
.syn-blue { color: #60a5fa; }
.syn-green { color: #4ade80; }
.syn-orange { color: #fb923c; }
.syn-pink { color: #f472b6; }
.syn-blue-light { color: #93c5fd; }
.syn-green-light { color: #86efac; }

/* ===== PLATFORMS ===== */
.platforms {
  padding: 96px 0;
  overflow: hidden;
}

.platforms__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.platforms__header {
  margin-bottom: 64px;
}

.platforms__title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
}

.platforms__scroll {
  display: flex;
  gap: 24px;
  overflow-x: auto;
  padding-bottom: 32px;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.platforms__scroll::-webkit-scrollbar { display: none; }

.platform-card {
  min-width: 280px;
  flex-shrink: 0;
  scroll-snap-align: start;
  background: var(--color-surface-container-lowest);
  padding: 32px;
  border-radius: 16px;
  border: 1px solid rgba(159, 178, 221, 0.1);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.platform-card:hover {
  transform: translateY(-4px);
}

.platform-card--coming-soon {
  background: var(--color-surface-container-low);
  opacity: 0.6;
}

.platform-card__badge {
  display: block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
}

.platform-card__badge--stable { color: var(--color-status-stable); }
.platform-card__badge--beta { color: var(--color-status-beta); }
.platform-card__badge--alpha { color: var(--color-status-alpha); }
.platform-card__badge--soon { color: var(--color-status-soon); }

.platform-card__name {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.platform-card__desc {
  color: var(--color-on-surface-variant);
  font-size: 0.875rem;
  margin-bottom: 24px;
  line-height: 1.5;
}

.platform-card__icon {
  font-size: 2.25rem;
}

.platform-card__icon--green { color: #22c55e; }
.platform-card__icon--blue { color: #3b82f6; }
.platform-card__icon--purple { color: #8b5cf6; }
.platform-card__icon--default { color: var(--color-on-surface); }
.platform-card__icon--muted { color: var(--color-on-surface-variant); }

[data-theme="dark"] .platform-card__icon--green { color: #4ade80; }
[data-theme="dark"] .platform-card__icon--blue { color: #60a5fa; }
[data-theme="dark"] .platform-card__icon--purple { color: #a78bfa; }

/* ===== SHOWCASE / GALLERY ===== */
.showcase {
  padding: 96px 0;
  background: rgba(224, 232, 255, 0.3);
}

[data-theme="dark"] .showcase {
  background: rgba(28, 35, 51, 0.4);
}

.showcase__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.showcase__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
}

.showcase__title {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
}

.showcase__subtitle {
  color: var(--color-on-surface-variant);
  font-size: 1rem;
}

.showcase__view-link {
  display: none;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-weight: 700;
  transition: gap var(--duration-short);
  white-space: nowrap;
}

.showcase__view-link:hover {
  gap: 12px;
}

.showcase__view-link .material-symbols-outlined {
  font-size: 20px;
}

.showcase__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.showcase-card {
  cursor: pointer;
}

.showcase-card__img-wrap {
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  margin-bottom: 24px;
}

.showcase-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 500ms var(--ease-expressive);
}

.showcase-card:hover .showcase-card__img {
  transform: scale(1.05);
}

.showcase-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.showcase-card__text {
  color: var(--color-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.5;
}

/* ===== CTA ===== */
.cta {
  padding: 96px 0;
}

.cta__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.cta__card {
  background: var(--color-primary);
  border-radius: 48px;
  padding: 64px;
  display: flex;
  align-items: center;
  gap: 48px;
  overflow: hidden;
  position: relative;
  box-shadow: var(--shadow-xl);
}

[data-theme="dark"] .cta__card {
  background: #003a7f;
}

.cta__glow {
  position: absolute;
  top: -96px;
  left: -96px;
  width: 384px;
  height: 384px;
  background: #ffffff;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.1;
  pointer-events: none;
}

.cta__left {
  flex: 1;
  position: relative;
  z-index: 10;
}

.cta__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-on-primary);
  margin-bottom: 32px;
}

[data-theme="dark"] .cta__title {
  color: #ffffff;
}

.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.cta__btn {
  display: inline-flex;
  align-items: center;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 32px;
  border-radius: 12px;
  transition: all var(--duration-short) var(--ease-spring);
}

.cta__btn:active {
  transform: scale(0.95);
}

.cta__btn--white {
  background: var(--color-surface-container-lowest);
  color: var(--color-primary);
}

[data-theme="dark"] .cta__btn--white {
  background: #ffffff;
  color: #005bc1;
}

.cta__btn--white:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.cta__btn--glass {
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-on-primary);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

[data-theme="dark"] .cta__btn--glass {
  color: #ffffff;
}

.cta__btn--glass:hover {
  background: rgba(255, 255, 255, 0.2);
}

.cta__right {
  flex: 1;
  position: relative;
  z-index: 10;
}

/* Terminal */
.cta__terminal {
  background: #0d1117;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta__terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.cta__terminal-dots {
  display: flex;
  gap: 6px;
}

.cta__terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.cta__terminal-dot--red { background: #f87171; }
.cta__terminal-dot--yellow { background: #fbbf24; }
.cta__terminal-dot--green { background: #4ade80; }

.cta__terminal-title {
  font-size: 0.625rem;
  color: rgba(255, 255, 255, 0.4);
  margin-left: 16px;
  font-family: var(--font-mono);
}

.cta__terminal-body {
  padding: 24px;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.cta__terminal-line {
  display: flex;
  gap: 12px;
}

.cta__terminal-prompt {
  color: #4ade80;
}

.cta__terminal-cmd {
  color: #ffffff;
}

.cta__terminal-output {
  color: rgba(255, 255, 255, 0.4);
  margin-top: 8px;
  font-size: 0.875rem;
}

.cta__terminal-success {
  color: var(--color-primary-fixed-dim);
}

/* ===== FOOTER ===== */
.footer {
  border-top: 1px solid rgba(159, 178, 221, 0.15);
  background: var(--color-surface-container-low);
}

.footer__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px;
  padding: 64px 0;
}

.footer__brand-col {
  grid-column: span 1;
}

.footer__brand-name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 16px;
}

.footer__brand-desc {
  color: rgba(30, 50, 86, 0.7);
  font-size: 0.875rem;
  line-height: 1.7;
  margin-bottom: 16px;
  max-width: 320px;
}

[data-theme="dark"] .footer__brand-desc {
  color: var(--color-on-surface-variant);
}

.footer__copyright {
  color: rgba(30, 50, 86, 0.4);
  font-size: 0.75rem;
}

[data-theme="dark"] .footer__copyright {
  color: rgba(156, 163, 175, 0.5);
}

.footer__col-title {
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 16px;
  font-size: 0.875rem;
}

.footer__col-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer__col-list li a {
  color: rgba(30, 50, 86, 0.7);
  font-size: 0.875rem;
  transition: color var(--duration-short);
}

[data-theme="dark"] .footer__col-list li a {
  color: var(--color-on-surface-variant);
}

.footer__col-list li a:hover {
  color: var(--color-tertiary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

/* ===== STATS ===== */
.stats {
  padding: 48px 0;
  background: var(--color-surface-container-low);
}

.stats__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 24px;
  text-align: center;
}

.stat {
  padding: 16px 8px;
}

.stat__number {
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat__label {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 4px;
}

/* ===== INSTALL ===== */
.install {
  padding: 96px 0;
}

.install__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.install__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.install__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

/* Tabs — shared for Install & Code */
.tabs__nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 0;
  background: var(--color-surface-container);
  border-radius: 12px 12px 0 0;
  padding: 8px 8px 0;
}

.tabs__btn {
  padding: 10px 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  border-radius: 8px 8px 0 0;
  transition: background var(--duration-short), color var(--duration-short);
  white-space: nowrap;
}

.tabs__btn:hover {
  background: rgba(0, 91, 193, 0.06);
  color: var(--color-on-surface);
}

[data-theme="dark"] .tabs__btn:hover {
  background: rgba(121, 192, 255, 0.08);
}

.tabs__btn--active {
  background: var(--color-surface-container-lowest);
  color: var(--color-primary);
  box-shadow: 0 -2px 0 0 var(--color-primary) inset;
}

[data-theme="dark"] .tabs__btn--active {
  background: #0f172a;
}

.tabs__panels {
  background: #0f172a;
  border-radius: 0 0 12px 12px;
  overflow: hidden;
}

.tabs__panel {
  display: none;
  padding: 24px;
}

.tabs__panel--active {
  display: block;
}

.code-block {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(203, 213, 225, 1);
  overflow-x: auto;
}

.code-block code {
  font-family: inherit;
}

/* ===== AI / MCP SECTION ===== */
.ai-section {
  padding: 96px 0;
  background: var(--color-surface-container-low);
}

.ai-section__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.ai-section__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}

.ai-section__badge {
  display: inline-block;
  padding: 6px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(0, 91, 193, 0.08);
  border-radius: 9999px;
  margin-bottom: 24px;
}

[data-theme="dark"] .ai-section__badge {
  background: rgba(121, 192, 255, 0.1);
}

.ai-section__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.ai-section__text {
  font-size: 1.0625rem;
  color: var(--color-on-surface-variant);
  line-height: 1.7;
  margin-bottom: 24px;
}

.ai-section .code-block {
  background: #0f172a;
  padding: 16px 20px;
  border-radius: 8px;
  margin-bottom: 24px;
}

.ai-section__actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.ai-section__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  font-weight: 700;
  font-size: 0.9375rem;
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-radius: 12px;
  transition: transform var(--duration-short) var(--ease-spring);
}

.ai-section__btn:hover {
  transform: scale(1.03);
}

.ai-section__btn .material-symbols-outlined {
  font-size: 20px;
}

/* Terminal Mockup */
.terminal-mockup {
  background: #0d1117;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(48, 54, 61, 0.5);
}

.terminal-mockup__titlebar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: rgba(22, 27, 34, 1);
  border-bottom: 1px solid rgba(48, 54, 61, 0.5);
}

.terminal-mockup__dots {
  display: flex;
  gap: 6px;
}

.terminal-mockup__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal-mockup__dot--red { background: #ff5f57; }
.terminal-mockup__dot--yellow { background: #febc2e; }
.terminal-mockup__dot--green { background: #28c840; }

.terminal-mockup__title {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.4);
  font-family: var(--font-mono);
}

.terminal-mockup__body {
  padding: 20px;
}

.terminal-mockup__msg {
  margin-bottom: 16px;
}

.terminal-mockup__msg:last-child {
  margin-bottom: 0;
}

.terminal-mockup__user {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #58a6ff;
  background: rgba(88, 166, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
  margin-right: 8px;
}

.terminal-mockup__ai {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  color: #d2a8ff;
  background: rgba(210, 168, 255, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
  margin-bottom: 6px;
  margin-right: 8px;
}

.terminal-mockup__msg > span:not(.terminal-mockup__user):not(.terminal-mockup__ai) {
  color: #c9d1d9;
  font-size: 0.8125rem;
}

.terminal-mockup__status {
  color: rgba(255, 255, 255, 0.5);
  margin: 0 0 8px;
  font-size: 0.75rem;
}

.terminal-mockup__code {
  background: rgba(0, 0, 0, 0.3);
  border-radius: 6px;
  padding: 12px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  margin-bottom: 8px;
}

.terminal-mockup__file {
  color: #7ee787;
  margin: 0 0 2px;
  font-size: 0.7rem;
}

.terminal-mockup__line {
  color: #c9d1d9;
  margin: 0;
}

.terminal-mockup__kw { color: #ff7b72; }
.terminal-mockup__fn { color: #d2a8ff; }
.terminal-mockup__str { color: #a5d6ff; }
.terminal-mockup__val { color: #79c0ff; }

.terminal-mockup__success {
  color: #7ee787;
  margin: 0;
  font-size: 0.75rem;
}

/* ===== USE CASES ===== */
.use-cases {
  padding: 96px 0;
}

.use-cases__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.use-cases__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.use-cases__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 64px;
}

.use-cases__grid {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

.use-case {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.use-case--reverse {
  direction: rtl;
}

.use-case--reverse > * {
  direction: ltr;
}

.use-case__viewer {
  position: relative;
  aspect-ratio: 4/3;
  border-radius: 16px;
  overflow: hidden;
  background: var(--color-surface-container);
}

[data-theme="dark"] .use-case__viewer {
  background: var(--color-surface-container-low);
}

.use-case__badge {
  position: absolute;
  bottom: 12px;
  right: 12px;
  font-size: 0.6875rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.7);
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 4px 10px;
  border-radius: 6px;
  pointer-events: none;
}

.use-case__info {
  display: flex;
  flex-direction: column;
}

.use-case__label {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.use-case__name {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.use-case__text {
  font-size: 0.9375rem;
  color: var(--color-on-surface-variant);
  line-height: 1.7;
  margin-bottom: 16px;
}

.use-case__code {
  background: #0f172a;
  border-radius: 8px;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.6;
  color: rgba(203, 213, 225, 1);
  overflow-x: auto;
  margin: 0;
}

/* ===== COMPARISON TABLE ===== */
.comparison {
  padding: 96px 0;
  background: var(--color-surface-container-low);
}

.comparison__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.comparison__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.comparison__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.comparison__wrapper {
  overflow-x: auto;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
}

.comparison__table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-surface-container-lowest);
  font-size: 0.9375rem;
}

.comparison__table th,
.comparison__table td {
  padding: 16px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-outline-variant);
}

[data-theme="dark"] .comparison__table th,
[data-theme="dark"] .comparison__table td {
  border-bottom-color: var(--color-outline);
}

.comparison__table thead th {
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
}

.comparison__table tbody tr:last-child td {
  border-bottom: none;
}

.comparison__highlight {
  color: var(--color-primary);
  font-weight: 600;
}

.comparison__table thead th.comparison__highlight {
  color: var(--color-primary);
  background: rgba(0, 91, 193, 0.06);
}

[data-theme="dark"] .comparison__table thead th.comparison__highlight {
  background: rgba(121, 192, 255, 0.08);
}

.comparison__table td.comparison__highlight {
  background: rgba(0, 91, 193, 0.03);
}

[data-theme="dark"] .comparison__table td.comparison__highlight {
  background: rgba(121, 192, 255, 0.04);
}

.comparison__label {
  font-weight: 600;
  color: var(--color-on-surface);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
  padding: 96px 0;
}

.testimonials__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.testimonials__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.testimonials__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: var(--color-surface-container-lowest);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
}

.testimonial-card__stars {
  display: flex;
  gap: 2px;
  margin-bottom: 16px;
}

.testimonial-card__stars .material-symbols-outlined {
  font-size: 18px;
  color: var(--color-primary);
  font-variation-settings: 'FILL' 1;
}

.testimonial-card__quote {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-on-surface-variant);
  flex: 1;
  margin-bottom: 24px;
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-card__avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary-container);
  color: var(--color-on-primary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.8125rem;
}

.testimonial-card__name {
  font-weight: 700;
  font-size: 0.875rem;
}

.testimonial-card__role {
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
}

/* ===== DEMOS ===== */
.demos {
  padding: 96px 0;
}

.demos__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.demos__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.demos__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.demos__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.demo-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-container-lowest);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
  position: relative;
}

.demo-card:hover {
  transform: translateY(-4px);
}

.demo-card__badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(0, 91, 193, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 16px;
  align-self: flex-start;
}

[data-theme="dark"] .demo-card__badge {
  background: rgba(121, 192, 255, 0.1);
}

.demo-card__badge--showcase { color: var(--color-tertiary); background: rgba(100, 70, 205, 0.08); }
.demo-card__badge--geo { color: var(--color-status-stable); background: rgba(22, 163, 74, 0.08); }
.demo-card__badge--docs { color: var(--color-secondary); background: rgba(0, 94, 184, 0.08); }

[data-theme="dark"] .demo-card__badge--showcase { background: rgba(210, 168, 255, 0.1); color: var(--color-tertiary); }
[data-theme="dark"] .demo-card__badge--geo { background: rgba(86, 211, 100, 0.1); color: var(--color-status-stable); }
[data-theme="dark"] .demo-card__badge--docs { background: rgba(165, 214, 255, 0.1); color: var(--color-secondary); }

.demo-card--featured {
  border: 2px solid var(--color-primary);
}

.demo-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.demo-card__text {
  color: var(--color-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.6;
  flex: 1;
}

.demo-card__arrow {
  color: var(--color-primary);
  font-size: 20px;
  margin-top: 16px;
  transition: transform var(--duration-short) var(--ease-spring);
}

.demo-card:hover .demo-card__arrow {
  transform: translateX(4px);
}

/* ===== SAMPLES ===== */
.samples {
  padding: 96px 0;
  background: var(--color-surface-container-low);
}

.samples__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.samples__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.samples__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.samples__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.sample-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-container-lowest);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.sample-card:hover {
  transform: translateY(-4px);
}

.sample-card__icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.sample-card__badge {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-status-stable);
  background: rgba(22, 163, 74, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.sample-card__badge--ios { color: var(--color-status-beta); background: rgba(37, 99, 235, 0.08); }
.sample-card__badge--web { color: var(--color-status-alpha); background: rgba(124, 58, 237, 0.08); }
.sample-card__badge--tv { color: var(--color-on-surface-variant); background: var(--color-surface-container); }

[data-theme="dark"] .sample-card__badge { background: rgba(86, 211, 100, 0.1); }
[data-theme="dark"] .sample-card__badge--ios { background: rgba(88, 166, 255, 0.1); }
[data-theme="dark"] .sample-card__badge--web { background: rgba(188, 140, 255, 0.1); }
[data-theme="dark"] .sample-card__badge--tv { background: var(--color-surface-container-high); }

.sample-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.sample-card__text {
  color: var(--color-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ===== GET INVOLVED ===== */
.get-involved {
  padding: 96px 0;
}

.get-involved__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.get-involved__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.get-involved__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.get-involved__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.involved-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-surface-container-lowest);
  padding: 32px;
  border-radius: 12px;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.involved-card:hover {
  transform: translateY(-4px);
}

.involved-card__icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.involved-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.involved-card__text {
  color: var(--color-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ===== CODE CARDS — JS & Claude ===== */
.code-card--js {
  background: #1a1a2e;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-card--js .code-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(42, 42, 70, 0.5);
}

.code-card--js .code-card__lang {
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(234, 179, 8, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.code-card--claude {
  background: #1a0a2e;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.code-card--claude .code-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  background: rgba(60, 30, 90, 0.5);
}

.code-card--claude .code-card__lang {
  font-size: 0.6875rem;
  font-weight: 700;
  color: rgba(210, 168, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* ===== FEATURE VISUAL CARDS (v2) ===== */
.features__visual-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.feature-visual {
  background: var(--color-surface-container-lowest);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.feature-visual:hover {
  transform: translateY(-3px);
}

.feature-visual__illustration {
  width: 100%;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.feature-visual__illustration svg {
  width: 100%;
  height: auto;
  display: block;
}

.feature-visual__content {
  padding: 24px 32px 32px;
}

.feature-visual__title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.feature-visual__text {
  color: var(--color-on-surface-variant);
  line-height: 1.7;
  font-size: 0.9375rem;
}

/* ===== CODE CARD LANG WRAP ===== */
.code-card__lang-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ===== USE CASES COMPACT GRID ===== */
.use-cases__compact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.usecase-card {
  background: var(--color-surface-container-lowest);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
}

.usecase-card:hover {
  transform: translateY(-3px);
}

.usecase-card__visual {
  width: 100%;
  overflow: hidden;
}

.usecase-card__visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.usecase-card__body {
  padding: 20px 28px 28px;
}

.usecase-card__label {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.usecase-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}

.usecase-card__text {
  color: var(--color-on-surface-variant);
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 12px;
}

.usecase-card__code {
  background: #0f172a;
  border-radius: 8px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
  color: rgba(203, 213, 225, 1);
  overflow-x: auto;
  margin: 0;
}

/* ===== PLATFORMS V2 GRID ===== */
.platforms__grid-v2 {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}

.platform-card-v2 {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--color-surface-container-lowest);
  padding: 24px;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
  text-decoration: none;
  color: inherit;
  position: relative;
}

.platform-card-v2:hover {
  transform: translateY(-3px);
}

.platform-card-v2--soon {
  opacity: 0.55;
  cursor: default;
}

.platform-card-v2__badge {
  display: inline-block;
  font-size: 0.5625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 12px;
  padding: 3px 8px;
  border-radius: 6px;
}

.platform-card-v2__badge--stable {
  color: var(--color-status-stable);
  background: rgba(22, 163, 74, 0.08);
}

[data-theme="dark"] .platform-card-v2__badge--stable {
  background: rgba(86, 211, 100, 0.1);
}

.platform-card-v2__badge--alpha {
  color: var(--color-status-alpha);
  background: rgba(124, 58, 237, 0.08);
}

[data-theme="dark"] .platform-card-v2__badge--alpha {
  background: rgba(188, 140, 255, 0.1);
}

.platform-card-v2__badge--soon {
  color: var(--color-status-soon);
  background: rgba(76, 95, 133, 0.08);
}

[data-theme="dark"] .platform-card-v2__badge--soon {
  background: rgba(139, 148, 158, 0.1);
}

.platform-card-v2__icon {
  font-size: 1.75rem;
  margin-bottom: 10px;
}

.platform-card-v2__icon-svg {
  margin-bottom: 10px;
}

.platform-card-v2__icon--green { color: #22c55e; }
.platform-card-v2__icon--blue { color: #3b82f6; }
.platform-card-v2__icon--purple { color: #8b5cf6; }
.platform-card-v2__icon--default { color: var(--color-on-surface); }
.platform-card-v2__icon--muted { color: var(--color-on-surface-variant); opacity: 0.5; }

[data-theme="dark"] .platform-card-v2__icon--green { color: #4ade80; }
[data-theme="dark"] .platform-card-v2__icon--blue { color: #60a5fa; }
[data-theme="dark"] .platform-card-v2__icon--purple { color: #a78bfa; }

.platform-card-v2__name {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.platform-card-v2__desc {
  color: var(--color-on-surface-variant);
  font-size: 0.8125rem;
  line-height: 1.5;
  margin-bottom: 12px;
}

.platform-card-v2__renderer {
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--color-on-surface-variant);
  opacity: 0.6;
  margin-top: auto;
}

/* ===== COMPARISON NOTE ===== */
.comparison__note {
  margin-top: 20px;
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
  opacity: 0.7;
  text-align: center;
  font-style: italic;
}

/* ===== COMMUNITY METRICS ===== */
.metrics {
  padding: 96px 0;
}

.metrics__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.metrics__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.metrics__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.metrics__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
}

.metric-card {
  background: var(--color-surface-container-lowest);
  padding: 28px 20px;
  border-radius: 20px;
  box-shadow: var(--shadow-card);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: transform var(--duration-medium) var(--ease-spring);
}

.metric-card:hover {
  transform: translateY(-3px);
}

.metric-card__icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.metric-card__icon-wrap svg,
.metric-card__icon-wrap .material-symbols-outlined {
  font-size: 24px;
}

.metric-card__icon-wrap--maven {
  background: rgba(0, 91, 193, 0.08);
  color: var(--color-primary);
}

[data-theme="dark"] .metric-card__icon-wrap--maven {
  background: rgba(121, 192, 255, 0.1);
}

.metric-card__icon-wrap--npm,
.metric-card__icon-wrap--npm2 {
  background: rgba(203, 56, 55, 0.08);
  color: #cb3837;
}

[data-theme="dark"] .metric-card__icon-wrap--npm,
[data-theme="dark"] .metric-card__icon-wrap--npm2 {
  background: rgba(203, 56, 55, 0.15);
  color: #f87171;
}

.metric-card__icon-wrap--github {
  background: rgba(30, 50, 86, 0.06);
  color: var(--color-on-surface);
}

[data-theme="dark"] .metric-card__icon-wrap--github {
  background: rgba(240, 246, 252, 0.08);
}

.metric-card__icon-wrap--contributors {
  background: rgba(22, 163, 74, 0.08);
  color: var(--color-status-stable);
}

[data-theme="dark"] .metric-card__icon-wrap--contributors {
  background: rgba(86, 211, 100, 0.1);
}

.metric-card__icon-wrap--platforms {
  background: rgba(100, 70, 205, 0.08);
  color: var(--color-tertiary);
}

[data-theme="dark"] .metric-card__icon-wrap--platforms {
  background: rgba(210, 168, 255, 0.1);
}

.metric-card__value {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.04em;
  color: var(--color-on-surface);
  line-height: 1.2;
  margin-bottom: 4px;
}

.metric-card__label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  line-height: 1.4;
}

/* ===== SHOWCASE LINK ===== */
.showcase-link {
  padding: 32px 0;
}

.showcase-link__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  text-align: center;
}

.showcase-link__cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-primary);
  background: rgba(0, 91, 193, 0.06);
  border-radius: 16px;
  transition: all var(--duration-medium) var(--ease-spring);
}

[data-theme="dark"] .showcase-link__cta {
  background: rgba(121, 192, 255, 0.08);
}

.showcase-link__cta:hover {
  transform: translateY(-2px);
  background: rgba(0, 91, 193, 0.1);
}

[data-theme="dark"] .showcase-link__cta:hover {
  background: rgba(121, 192, 255, 0.14);
}

.showcase-link__cta .material-symbols-outlined {
  font-size: 20px;
}

/* ===== TRY SCENEVIEW ===== */
.try-sv {
  padding: 96px 0;
  background: var(--color-surface-container-low);
}

.try-sv__container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.try-sv__title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  margin-bottom: 16px;
}

.try-sv__subtitle {
  font-size: 1.125rem;
  color: var(--color-on-surface-variant);
  margin-bottom: 48px;
}

.try-sv__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.try-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface-container-lowest);
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring);
  text-decoration: none;
  color: inherit;
  position: relative;
}

.try-card:hover {
  transform: translateY(-3px);
}

.try-card--featured {
  grid-column: span 2;
}

.try-card__visual {
  width: 100%;
  overflow: hidden;
}

.try-card__visual svg {
  width: 100%;
  height: auto;
  display: block;
}

.try-card__body {
  padding: 20px 24px;
  flex: 1;
}

.try-card__badge {
  display: inline-block;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  background: rgba(0, 91, 193, 0.08);
  padding: 4px 10px;
  border-radius: 6px;
  margin-bottom: 10px;
}

[data-theme="dark"] .try-card__badge {
  background: rgba(121, 192, 255, 0.1);
}

.try-card__badge--android { color: var(--color-status-stable); background: rgba(22, 163, 74, 0.08); }
.try-card__badge--ios { color: var(--color-status-beta); background: rgba(37, 99, 235, 0.08); }
.try-card__badge--web { color: var(--color-status-alpha); background: rgba(124, 58, 237, 0.08); }
.try-card__badge--geo { color: var(--color-status-stable); background: rgba(22, 163, 74, 0.08); }

[data-theme="dark"] .try-card__badge--android { background: rgba(86, 211, 100, 0.1); }
[data-theme="dark"] .try-card__badge--ios { background: rgba(88, 166, 255, 0.1); }
[data-theme="dark"] .try-card__badge--web { background: rgba(188, 140, 255, 0.1); }
[data-theme="dark"] .try-card__badge--geo { background: rgba(86, 211, 100, 0.1); }

.try-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.try-card__text {
  color: var(--color-on-surface-variant);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.try-card__arrow {
  position: absolute;
  bottom: 20px;
  right: 20px;
  color: var(--color-primary);
  font-size: 20px;
  transition: transform var(--duration-short) var(--ease-spring);
}

.try-card:hover .try-card__arrow {
  transform: translateX(4px);
}

/* ===== MOBILE OVERLAY ===== */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 101;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}

.nav-overlay.active { display: block; }

/* ===================================================================
   Pages shared styles (docs, showcase, playground)
   =================================================================== */

/* ===== DOCS PAGE ===== */
.docs-hero {
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.docs-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(0,91,193,0.08) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="dark"] .docs-hero::before {
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(141,179,255,0.06) 0%, transparent 70%);
}

.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

.docs-card {
  display: block;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: 16px;
  padding: 32px;
  text-decoration: none;
  color: inherit;
  box-shadow: var(--shadow-card);
  transition: transform var(--duration-medium) var(--ease-spring),
              box-shadow var(--duration-medium) var(--ease-expressive);
}

.docs-card:hover {
  box-shadow: 0 16px 40px rgba(30, 50, 86, 0.1);
  transform: translateY(-4px);
}

.docs-card__icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(0, 91, 193, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.docs-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.docs-card__text {
  font-size: 0.875rem;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}

/* ===== SHOWCASE PAGE ===== */
.showcase-hero {
  padding-top: calc(var(--nav-height) + 64px);
  padding-bottom: 64px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.showcase-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(0,91,193,0.1) 0%, transparent 70%);
  pointer-events: none;
}

[data-theme="dark"] .showcase-hero::before {
  background: radial-gradient(ellipse 80% 60% at 50% 20%, rgba(141,179,255,0.08) 0%, transparent 70%);
}

.showcase-hero__title {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 1.08;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-tertiary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 16px;
}

.showcase-hero__sub {
  font-size: clamp(1.1rem, 2.5vw, 1.35rem);
  color: var(--color-on-surface-variant);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== RESPONSIVE ===== */
@media (min-width: 769px) {
  .showcase__view-link { display: flex; }
  .nav__hamburger--mobile { display: none; }
}

@media (max-width: 1024px) {
  .features__grid { grid-template-columns: repeat(2, 1fr); }
  .features__visual-grid { grid-template-columns: repeat(2, 1fr); }
  .showcase__grid { grid-template-columns: repeat(2, 1fr); }
  .cta__card { flex-direction: column; text-align: center; border-radius: 32px; padding: 48px 32px; }
  .cta__actions { justify-content: center; }
  .footer__grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer__brand-col { grid-column: span 2; }
  .stats__grid { grid-template-columns: repeat(3, 1fr); }
  .ai-section__inner { grid-template-columns: 1fr; gap: 48px; }
  .use-cases__compact-grid { grid-template-columns: repeat(2, 1fr); }
  .platforms__grid-v2 { grid-template-columns: repeat(3, 1fr); }
  .metrics__grid { grid-template-columns: repeat(3, 1fr); }
  .try-sv__grid { grid-template-columns: repeat(2, 1fr); }
  .try-card--featured { grid-column: span 2; }
  .get-involved__grid { grid-template-columns: repeat(2, 1fr); }
  .code-section__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .code-section__grid { grid-template-columns: 1fr !important; }
  .showcase__header { flex-direction: column; align-items: flex-start; gap: 16px; }
}

@media (max-width: 768px) {
  .nav__hamburger--mobile { display: flex; }
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    background: var(--color-surface);
    padding: calc(var(--nav-height) + 24px) 32px 32px;
    box-shadow: var(--shadow-xl);
    transition: right var(--duration-medium) var(--ease-spring);
    gap: 24px;
    z-index: 105;
  }
  .nav__links.open { right: 0; }
  .nav__link { font-size: 1rem; opacity: 1; }
  .nav__link--active { border-bottom: none; padding-bottom: 0; }

  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 48px;
    padding: 64px var(--container-padding);
  }
  .hero__description { margin-left: auto; margin-right: auto; }
  .hero__actions { justify-content: center; }
  .hero__platforms { justify-content: center; }
  .hero__visual { display: none; }
  .hero { min-height: auto; }

  .features__grid { grid-template-columns: 1fr; }
  .features__visual-grid { grid-template-columns: 1fr; }
  .showcase__grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .footer__grid { grid-template-columns: 1fr; }
  .footer__brand-col { grid-column: span 1; }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
  .use-cases__compact-grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
  .platforms__grid-v2 { grid-template-columns: repeat(2, 1fr); }
  .metrics__grid { grid-template-columns: repeat(2, 1fr); }
  .try-sv__grid { grid-template-columns: 1fr; }
  .try-card--featured { grid-column: span 1; }
  .get-involved__grid { grid-template-columns: 1fr; }
  .tabs__nav { flex-wrap: wrap; }

  .features, .code-section, .platforms, .showcase, .showcase-link, .cta,
  .stats, .install, .ai-section, .use-cases, .comparison,
  .metrics, .try-sv, .get-involved {
    padding: 64px 0;
  }
  .stats { padding: 32px 0; }
}

@media (max-width: 600px) {
  :root {
    --container-padding: 16px;
  }
  .hero__actions { flex-direction: column; align-items: center; }
  .hero__btn { width: 100%; justify-content: center; }
  .cta__actions { flex-direction: column; align-items: center; }
  .cta__btn { width: 100%; justify-content: center; text-align: center; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 2.25rem; }
  .hero__btn { padding: 14px 24px; font-size: 1rem; }
  .features, .code-section, .platforms, .showcase, .showcase-link, .cta,
  .install, .ai-section, .use-cases, .comparison,
  .metrics, .try-sv, .get-involved {
    padding: 48px 0;
  }
  .platforms__grid-v2 { grid-template-columns: 1fr; }
  .metrics__grid { grid-template-columns: repeat(2, 1fr); }
  .stats { padding: 24px 0; }
  .features__title, .code-section__title, .platforms__title, .showcase__title,
  .install__title, .ai-section__title, .use-cases__title, .comparison__title,
  .metrics__title, .try-sv__title, .get-involved__title {
    font-size: 1.5rem;
  }
  .feature-card { padding: 24px; }
  .cta__card { padding: 32px 20px; border-radius: 24px; }
}

/* ===== PRINT ===== */
@media print {
  .nav, .hero__visual, .hero__bg-effects, .nav-overlay, .hero__badge { display: none; }
  .hero { padding-top: 32px; min-height: auto; }
  body { font-size: 12pt; color: #000; background: #fff; }
  .feature-card, .feature-visual, .platform-card, .platform-card-v2, .showcase-card, .docs-card, .demo-card, .sample-card, .involved-card, .testimonial-card, .usecase-card, .metric-card, .try-card { box-shadow: none; border: 1px solid #ccc; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #666; }
}

/* ===== REDUCED MOTION ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}