/* =============================================================
 * demo-carousel.css
 * Shared styling for the new one-story-per-demo carousel UI.
 * Pairs with demo-design-system.css (tokens) + demo-shared.css (chrome).
 * Shipped as part of iteration N+19 / M7.
 * ============================================================= */

/* Carousel container ---------------------------------------------- */
.gn-carousel {
  max-width: 1240px;
  margin: 24px auto 0;
  padding: 0 32px 32px;
}

.gn-carousel-stage {
  position: relative;
  aspect-ratio: 16 / 9;
  background: linear-gradient(180deg, var(--gn-canvas-2, #1c2029) 0%, var(--gn-canvas-1, #15181f) 100%);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-radius: var(--gn-radius-lg, 22px);
  overflow: hidden;
}

/* Scene panes ----------------------------------------------------- */
/* Iter-N+20 (M7.1): the illustration column was 1.25fr against a 1fr
   meta column.  Combined with the old preserveAspectRatio=slice on the
   SVGs that made everything crop hard.  Now the column is wider
   (1.7fr / 1fr) AND every SVG uses meet, so the full 800×460 viewBox
   is always visible.  The column's gradient background matches the
   SVG's own canvas-1 fill so the meet-mode letterbox is invisible. */
.gn-scene {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
  display: grid;
  grid-template-columns: 1.7fr 1fr;
}

.gn-scene.is-active {
  opacity: 1;
  pointer-events: auto;
}

.gn-scene-illu {
  position: relative;
  overflow: hidden;
  /* Match the bg every SVG paints in its first <rect> so the
     letterbox top/bottom looks like one continuous canvas. */
  background: linear-gradient(180deg,
    var(--gn-canvas-2, #1c2029) 0%,
    var(--gn-canvas-1, #15181f) 100%);
  display: grid;
  place-items: center;
}

.gn-scene-illu svg {
  width: 100%;
  height: 100%;
  display: block;
  /* meet-mode letterbox: the parent column is ~1:1 but the SVG is
     16:9.  Use object-fit semantics via SVG's own preserveAspectRatio. */
}

.gn-scene-meta {
  padding: 50px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border-left: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  background:
    linear-gradient(180deg,
      color-mix(in srgb, var(--gn-canvas-2, #1c2029) 80%, transparent) 0%,
      var(--gn-canvas-1, #15181f) 100%);
}

.gn-scene-chap {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 11px;
  font-weight: 600;
  color: var(--gn-accent, #5fb3ff);
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
}

.gn-scene-title {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: 34px;
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 14px 0 16px;
  color: var(--gn-ink, #f4f5f7);
}

.gn-scene-lede {
  color: var(--gn-ink-soft, #c8ccd4);
  font-size: 17px;
  margin: 0 0 24px;
  max-width: 36ch;
}

.gn-scene-lede b {
  color: var(--gn-ink, #f4f5f7);
  font-weight: 600;
}

.gn-scene-tech {
  background: var(--gn-canvas-3, #232834);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-left: 3px solid var(--gn-accent, #5fb3ff);
  border-radius: 8px;
  padding: 14px 16px;
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 12.5px;
  color: var(--gn-ink-soft, #c8ccd4);
  line-height: 1.6;
}

.gn-scene-tech b {
  color: var(--gn-ink, #f4f5f7);
  font-weight: 500;
}

.gn-scene-tech code {
  color: var(--gn-accent, #5fb3ff);
  font-weight: 500;
}

/* Carousel controls ----------------------------------------------- */
.gn-carousel-controls {
  margin-top: 18px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
}

.gn-btn-carousel {
  background: var(--gn-canvas-2, #1c2029);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  color: var(--gn-ink, #f4f5f7);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: border-color 0.15s, background 0.15s, transform 0.05s;
}

.gn-btn-carousel:hover {
  border-color: color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, var(--gn-line, rgba(244, 245, 247, 0.10)));
}

.gn-btn-carousel:active { transform: translateY(1px); }

.gn-btn-carousel[disabled] {
  opacity: 0.4;
  cursor: not-allowed;
}

.gn-btn-carousel svg {
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
}

.gn-btn-carousel--primary {
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, var(--gn-canvas-2, #1c2029));
  border-color: color-mix(in srgb, var(--gn-accent, #5fb3ff) 40%, var(--gn-line, rgba(244, 245, 247, 0.10)));
  color: var(--gn-ink, #f4f5f7);
}

.gn-btn-carousel--primary:hover {
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 22%, var(--gn-canvas-2, #1c2029));
  border-color: var(--gn-accent, #5fb3ff);
}

/* Progress bar */
.gn-carousel-progress {
  height: 4px;
  background: var(--gn-canvas-2, #1c2029);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}

.gn-carousel-progress-fill {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--gn-accent, #5fb3ff), var(--gn-accent-2, #b89bff));
  width: 0%;
  transition: width 0.35s ease;
}

.gn-carousel-progress-meta {
  margin-top: 6px;
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gn-ink-mute, #8a8f9b);
  text-align: center;
}

.gn-carousel-progress-meta b {
  color: var(--gn-ink-soft, #c8ccd4);
  font-weight: 500;
}

/* Mobile ---------------------------------------------------------- */
@media (max-width: 920px) {
  .gn-scene {
    grid-template-columns: 1fr;
  }

  .gn-scene-illu {
    aspect-ratio: 16 / 9;
  }

  .gn-scene-meta {
    border-left: none;
    border-top: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
    padding: 26px 22px;
  }

  .gn-scene-title {
    font-size: 26px;
  }

  .gn-scene-lede {
    font-size: 15px;
  }
}

/* ===============================================================
 * Hero strip (M7 — inline per-demo, no shared chrome)
 * Tokens come from demo-design-system.css.
 * =============================================================== */

.gn-hero {
  max-width: 1240px;
  margin: 32px auto 0;
  padding: 0 32px;
}

.gn-hero-card {
  background:
    radial-gradient(120% 100% at 20% 0%,
      color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, transparent),
      transparent 60%),
    linear-gradient(180deg,
      var(--gn-canvas-2, #1c2029) 0%,
      var(--gn-canvas-1, #15181f) 100%);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-radius: var(--gn-radius-lg, 22px);
  padding: 36px 40px;
  box-shadow: 0 0 60px
    color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, transparent);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
}

.gn-hero-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.20em;
  font-size: 11px;
  font-weight: 600;
  color: var(--gn-accent, #5fb3ff);
}

.gn-hero-title {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin: 10px 0 12px;
  color: var(--gn-ink, #f4f5f7);
}

.gn-hero-lede {
  color: var(--gn-ink-soft, #c8ccd4);
  max-width: 600px;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.55;
}

.gn-hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}

.gn-hero-stat {
  display: flex;
  flex-direction: column;
}

.gn-hero-stat-k {
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 20px;
  font-weight: 600;
  color: var(--gn-ink, #f4f5f7);
  letter-spacing: -0.01em;
}

.gn-hero-stat-l {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  color: var(--gn-ink-mute, #8a8f9b);
  margin-top: 4px;
}

.gn-hero-medallion {
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%,
      color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, transparent),
      transparent 65%),
    var(--gn-canvas-3, #232834);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  display: grid;
  place-items: center;
}

.gn-hero-medallion svg {
  width: 64px;
  height: 64px;
  stroke: var(--gn-accent, #5fb3ff);
  fill: none;
  stroke-width: 1.5;
}

@media (max-width: 920px) {
  .gn-hero-card {
    grid-template-columns: 1fr;
    padding: 24px 22px;
  }
  .gn-hero-medallion {
    width: 96px;
    height: 96px;
  }
}

/* ===============================================================
 * Chapter rail (carousel index)
 * =============================================================== */

.gn-chapter {
  max-width: 1240px;
  margin: 28px auto 0;
  padding: 0 32px;
}

.gn-chapter-rail {
  background: var(--gn-canvas-1, #15181f);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-radius: var(--gn-radius-md, 14px);
  padding: 18px 22px;
  display: grid;
  grid-template-columns: repeat(var(--gn-chapter-count, 7), minmax(0, 1fr));
  gap: 14px;
  position: relative;
}

.gn-chapter-rail::before {
  content: '';
  position: absolute;
  left: 22px;
  right: 22px;
  top: 50%;
  height: 1px;
  background: var(--gn-line, rgba(244, 245, 247, 0.10));
  transform: translateY(-50%);
  z-index: 0;
}

.gn-chapter-step {
  position: relative;
  z-index: 1;
  background: transparent;
  border: none;
  color: var(--gn-ink-mute, #8a8f9b);
  font-family: inherit;
  text-align: center;
  cursor: pointer;
  padding: 4px 2px;
  transition: color 0.15s;
}

.gn-chapter-step .glyph {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--gn-canvas-2, #1c2029);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  display: grid;
  place-items: center;
  margin: 0 auto 8px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
  color: var(--gn-ink-mute, #8a8f9b);
}

.gn-chapter-step .glyph svg {
  width: 22px;
  height: 22px;
  transition: stroke 0.2s;
}

.gn-chapter-step .label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.10em;
  font-weight: 600;
}

.gn-chapter-step:hover .glyph {
  border-color: color-mix(in srgb, var(--gn-accent, #5fb3ff) 35%, var(--gn-line, rgba(244, 245, 247, 0.10)));
  color: var(--gn-ink-soft, #c8ccd4);
}

.gn-chapter-step.is-active {
  color: var(--gn-ink, #f4f5f7);
}

.gn-chapter-step.is-active .glyph {
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 12%, var(--gn-canvas-2, #1c2029));
  border-color: var(--gn-accent, #5fb3ff);
  color: var(--gn-accent, #5fb3ff);
  box-shadow:
    0 0 0 4px color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, transparent),
    0 8px 24px -8px color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, transparent);
}

.gn-chapter-step.is-done .glyph {
  color: var(--gn-accent, #5fb3ff);
}

@media (max-width: 920px) {
  .gn-chapter-rail {
    grid-template-columns: repeat(var(--gn-chapter-count, 7), 64px);
    overflow-x: auto;
  }
}

/* ===============================================================
 * Business-value cards
 * =============================================================== */

.gn-business-tab {
  max-width: 1240px;
  margin: 48px auto 0;
  padding: 0 32px;
}

.gn-business-tab-title {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--gn-ink, #f4f5f7);
  margin: 0 0 16px;
}

.gn-business-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 18px;
}

.gn-business-card {
  background: var(--gn-canvas-1, #15181f);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-left: 3px solid var(--gn-accent, #5fb3ff);
  border-radius: var(--gn-radius-md, 14px);
  padding: 18px 20px;
}

.gn-business-card-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, var(--gn-canvas-2, #1c2029));
  display: grid;
  place-items: center;
  margin-bottom: 14px;
  color: var(--gn-accent, #5fb3ff);
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 14px;
}

.gn-business-card-icon span[data-icon]::before {
  content: '◆';
}
.gn-business-card-icon span[data-icon="globe"]::before    { content: '◯'; }
.gn-business-card-icon span[data-icon="clock"]::before    { content: '◷'; }
.gn-business-card-icon span[data-icon="shield"]::before   { content: '⛨'; }
.gn-business-card-icon span[data-icon="receipt"]::before  { content: '▤'; }
.gn-business-card-icon span[data-icon="bank"]::before     { content: '⌂'; }
.gn-business-card-icon span[data-icon="lock"]::before     { content: '⚿'; }
.gn-business-card-icon span[data-icon="coin"]::before     { content: '◉'; }
.gn-business-card-icon span[data-icon="bell"]::before     { content: '◐'; }
.gn-business-card-icon span[data-icon="users"]::before    { content: '⚇'; }

.gn-business-card-headline {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: 17px;
  color: var(--gn-ink, #f4f5f7);
  margin: 0 0 6px;
  line-height: 1.2;
}

.gn-business-card-detail {
  font-size: 14px;
  line-height: 1.5;
  color: var(--gn-ink-soft, #c8ccd4);
  margin: 0 0 10px;
}

.gn-business-card-metric {
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.10em;
  text-transform: uppercase;
  color: var(--gn-accent, #5fb3ff);
  font-weight: 600;
}

/* ===============================================================
 * Glossary strip + modal
 * =============================================================== */

.gn-glossary-strip {
  max-width: 1240px;
  margin: 32px auto 0;
  padding: 0 32px;
  color: var(--gn-ink-soft, #c8ccd4);
  font-size: 14px;
}

.gn-glossary-trigger {
  background: transparent;
  border: none;
  color: var(--gn-accent, #5fb3ff);
  font: inherit;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  padding: 0;
}

.gn-glossary-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: grid;
  place-items: center;
}

.gn-glossary-modal.is-hidden {
  display: none;
}

.gn-glossary-modal-bg {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.gn-glossary-modal-body {
  position: relative;
  z-index: 1;
  max-width: 640px;
  width: calc(100% - 48px);
  max-height: 80vh;
  overflow-y: auto;
  background: var(--gn-canvas-1, #15181f);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-radius: var(--gn-radius-lg, 22px);
  padding: 28px 32px;
}

.gn-glossary-modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
}

.gn-glossary-modal-head h3 {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: 22px;
  font-weight: 500;
  color: var(--gn-ink, #f4f5f7);
  margin: 0;
}

.gn-glossary-close {
  background: transparent;
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  color: var(--gn-ink-soft, #c8ccd4);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  font-size: 18px;
  line-height: 1;
  cursor: pointer;
}

.gn-glossary-close:hover {
  border-color: var(--gn-accent, #5fb3ff);
  color: var(--gn-accent, #5fb3ff);
}

.gn-glossary-list dt {
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--gn-accent, #5fb3ff);
  margin-top: 18px;
}

.gn-glossary-list dt:first-child { margin-top: 0; }

.gn-glossary-list dd {
  margin: 6px 0 0;
  color: var(--gn-ink-soft, #c8ccd4);
  font-size: 14px;
  line-height: 1.55;
}

.gn-glossary-deeper {
  margin-top: 6px;
  padding-top: 6px;
  border-top: 1px solid var(--gn-line-soft, rgba(244, 245, 247, 0.06));
  font-size: 13px;
  color: var(--gn-ink-mute, #8a8f9b);
  font-style: italic;
}

/* ===============================================================
 * Page chrome (.gn-demo-*)
 * The new templates dropped the legacy demo-bridge.css that used to
 * style these.  Re-implement minimally so topbar / footer / quote /
 * ecosystem strip render correctly across every demo page.
 * =============================================================== */

.gn-demo-body {
  font-family: var(--gn-font-sans, "Inter", system-ui, sans-serif);
  background: var(--gn-canvas-0, #0e1014);
  color: var(--gn-ink, #f4f5f7);
  margin: 0;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

.gn-demo-main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 28px 28px 80px;
}

/* Topbar ---------------------------------------------------------- */
.gn-demo-topbar {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 14px 28px;
  border-bottom: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  background: color-mix(in srgb, var(--gn-canvas-1, #15181f) 92%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 100;
}

.gn-demo-brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--gn-ink, #f4f5f7);
  text-decoration: none;
  font-weight: 600;
  font-size: 14px;
  letter-spacing: -0.01em;
}

.gn-demo-mark {
  color: var(--gn-accent, #5fb3ff);
  font-size: 14px;
  line-height: 1;
}

.gn-demo-topnav {
  display: flex;
  align-items: center;
  gap: 12px;
  flex: 1;
}

.gn-demo-pill {
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gn-accent, #5fb3ff);
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, transparent);
  padding: 3px 8px;
  border-radius: 4px;
}

.gn-demo-subbrand {
  color: var(--gn-ink-mute, #8a8f9b);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.gn-demo-topright {
  display: flex;
  gap: 8px;
  margin-left: auto;
}

.gn-demo-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  background: var(--gn-canvas-2, #1c2029);
  color: var(--gn-ink-soft, #c8ccd4);
  font-family: inherit;
  font-size: 12px;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}
.gn-demo-btn:hover {
  border-color: color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, var(--gn-line, rgba(244, 245, 247, 0.10)));
  color: var(--gn-ink, #f4f5f7);
}
.gn-demo-btn--ghost {
  background: transparent;
}
.gn-demo-btn--primary {
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 18%, var(--gn-canvas-2, #1c2029));
  border-color: color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, var(--gn-line, rgba(244, 245, 247, 0.10)));
  color: var(--gn-ink, #f4f5f7);
}
.gn-demo-btn--primary:hover {
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 28%, var(--gn-canvas-2, #1c2029));
  border-color: var(--gn-accent, #5fb3ff);
}

/* Footer ---------------------------------------------------------- */
.gn-demo-footer {
  max-width: 1400px;
  margin: 24px auto 40px;
  padding: 20px 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  color: var(--gn-ink-mute, #8a8f9b);
  font-size: 12px;
  border-top: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
}

.gn-demo-footer-link {
  color: var(--gn-accent, #5fb3ff);
  text-decoration: none;
  font-weight: 500;
}
.gn-demo-footer-link:hover { color: var(--gn-ink, #f4f5f7); }

/* Pull-quote ------------------------------------------------------ */
.gn-demo-quote {
  max-width: 1240px;
  margin: 48px auto 0;
  padding: 0 32px;
}
.gn-demo-quote blockquote {
  margin: 0;
  background: var(--gn-canvas-1, #15181f);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-left: 3px solid var(--gn-accent, #5fb3ff);
  border-radius: var(--gn-radius-md, 14px);
  padding: 24px 28px;
}
.gn-demo-quote blockquote p {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: 19px;
  line-height: 1.4;
  color: var(--gn-ink, #f4f5f7);
  margin: 0;
  font-style: italic;
}
.gn-demo-quote blockquote footer {
  margin-top: 12px;
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gn-ink-mute, #8a8f9b);
}

/* Ecosystem strip ------------------------------------------------- */
.gn-demo-ecosystem {
  max-width: 1240px;
  margin: 48px auto 0;
  padding: 0 32px;
}
.gn-demo-h2 {
  font-family: var(--gn-font-serif, "Newsreader", Georgia, serif);
  font-size: 28px;
  letter-spacing: -0.015em;
  color: var(--gn-ink, #f4f5f7);
  margin: 0 0 8px;
}
.gn-demo-ecolede {
  color: var(--gn-ink-soft, #c8ccd4);
  max-width: 720px;
  margin: 0 0 18px;
}
.gn-demo-chains {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.gn-demo-chain {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--gn-canvas-1, #15181f);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 12px;
  color: var(--gn-ink-soft, #c8ccd4);
}
.gn-demo-chain--xrpl {
  border-color: color-mix(in srgb, var(--gn-blue, #5fb3ff) 60%, transparent);
  color: var(--gn-blue, #5fb3ff);
  background: color-mix(in srgb, var(--gn-blue, #5fb3ff) 10%, var(--gn-canvas-1, #15181f));
}
.gn-demo-chain--solana {
  border-color: color-mix(in srgb, var(--gn-purple, #b89bff) 60%, transparent);
  color: var(--gn-purple, #b89bff);
  background: color-mix(in srgb, var(--gn-purple, #b89bff) 10%, var(--gn-canvas-1, #15181f));
}

/* ===============================================================
 * RWAiSE asset-class picker (iter-N+23, tokenization demo only)
 * =============================================================== */

.gn-rwa-picker {
  max-width: 1240px;
  margin: 32px auto 0;
  padding: 0 32px;
}

.gn-rwa-picker-inner {
  background: var(--gn-canvas-1, #15181f);
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-radius: var(--gn-radius-md, 14px);
  padding: 18px 22px;
}

.gn-rwa-picker-label {
  display: block;
  font-family: var(--gn-font-mono, "JetBrains Mono", monospace);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gn-ink-mute, #8a8f9b);
  margin-bottom: 12px;
}

.gn-rwa-picker-chips {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 12px;
}

.gn-rwa-chip {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  border-radius: 12px;
  background: var(--gn-canvas-2, #1c2029);
  text-decoration: none;
  color: var(--gn-ink-soft, #c8ccd4);
  transition: border-color 0.15s, background 0.15s, transform 0.05s;
}

.gn-rwa-chip:hover {
  border-color: color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, var(--gn-line, rgba(244, 245, 247, 0.10)));
  color: var(--gn-ink, #f4f5f7);
}

.gn-rwa-chip:active { transform: translateY(1px); }

.gn-rwa-chip.is-active {
  border-color: var(--gn-accent, #5fb3ff);
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, var(--gn-canvas-2, #1c2029));
  color: var(--gn-ink, #f4f5f7);
  box-shadow:
    0 0 0 3px color-mix(in srgb, var(--gn-accent, #5fb3ff) 12%, transparent),
    0 8px 24px -10px color-mix(in srgb, var(--gn-accent, #5fb3ff) 50%, transparent);
}

.gn-rwa-chip-avatar {
  font-size: 24px;
  line-height: 1;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--gn-accent, #5fb3ff) 14%, transparent);
  flex-shrink: 0;
}

.gn-rwa-chip-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.gn-rwa-chip-title {
  font-family: var(--gn-font-sans, "Inter", system-ui, sans-serif);
  font-size: 14px;
  font-weight: 600;
  color: var(--gn-ink, #f4f5f7);
}

.gn-rwa-chip-tagline {
  font-size: 12px;
  color: var(--gn-ink-mute, #8a8f9b);
  line-height: 1.35;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}

@media (max-width: 640px) {
  .gn-rwa-picker { padding: 0 14px; margin-top: 22px; }
  .gn-rwa-picker-inner { padding: 14px 16px; }
  .gn-rwa-picker-chips { grid-template-columns: 1fr; gap: 10px; }
  .gn-rwa-chip { padding: 10px 12px; min-height: 56px; }
  .gn-rwa-chip-avatar { width: 38px; height: 38px; font-size: 20px; }
  .gn-rwa-chip-title { font-size: 13px; }
  .gn-rwa-chip-tagline { font-size: 11.5px; }
}

/* Per-demo accent override on body[data-demo] -------------------- */
.gn-demo-body[data-demo="bridge"]       { --gn-accent: var(--gn-blue, #5fb3ff);   --gn-accent-2: var(--gn-purple, #b89bff); }
.gn-demo-body[data-demo="ecosystem"]    { --gn-accent: var(--gn-purple, #b89bff); --gn-accent-2: var(--gn-cyan, #7df2e8); }
.gn-demo-body[data-demo="multisig"]     { --gn-accent: var(--gn-gold, #ffd86b);   --gn-accent-2: var(--gn-purple, #b89bff); }
.gn-demo-body[data-demo="tokenization"] { --gn-accent: var(--gn-magenta, #ff7ac0); --gn-accent-2: var(--gn-gold, #ffd86b); }
.gn-demo-body[data-demo="swap"]         { --gn-accent: var(--gn-green, #8dd07a);  --gn-accent-2: var(--gn-cyan, #7df2e8); }
.gn-demo-body[data-demo="ai_x402"]      { --gn-accent: var(--gn-purple-dim, #9b62ff); --gn-accent-2: var(--gn-magenta, #ff7ac0); }

/* ===============================================================
 * MOBILE OPTIMISATIONS (iter-N+21 / M7.2)
 *
 * Three breakpoints:
 *   ≤ 920px  → tablet portrait; the carousel column-stacks
 *   ≤ 640px  → phone landscape / large phone portrait
 *   ≤ 420px  → small phone portrait
 *
 * Goals:
 *   - Carousel-stage drops its fixed 16:9 once stacked so the meta
 *     column can grow to fit its text.
 *   - Chapter rail becomes a horizontal-scroll snap track with
 *     ≥44 px tappable items.
 *   - Hero strip stacks; medallion shrinks; stats wrap to 2 cols.
 *   - Carousel controls stack on the smallest screens with full-width
 *     Back / Next buttons (Fitts's Law: huge tap targets).
 *   - Topbar shows only the essentials; sticky respects safe-area.
 *   - Glossary modal becomes a bottom sheet on phones.
 * =============================================================== */

/* ----------- TABLET / NARROW DESKTOP (≤ 920px) ----------------- */
@media (max-width: 920px) {
  .gn-carousel-stage {
    /* The stage no longer needs a fixed aspect when the layout stacks.
       Letting content drive height prevents the meta column from being
       squeezed into 0 px when the illu eats the whole 16:9 box. */
    aspect-ratio: auto;
  }

  .gn-scene {
    /* Each scene becomes a normal flow item once stacked; absolute
       positioning was only needed for the cross-fade in landscape. */
    position: relative;
    inset: auto;
    display: none;
  }
  .gn-scene.is-active {
    display: grid;
    opacity: 1;
  }
}

/* ----------- PHONE (≤ 640px) ----------------------------------- */
@media (max-width: 640px) {
  /* --- Topbar --- */
  .gn-demo-topbar {
    padding: 10px 14px;
    gap: 10px;
    /* Respect iOS safe-area on full-screen PWA / Safari notch. */
    padding-top: max(10px, env(safe-area-inset-top));
    padding-left: max(14px, env(safe-area-inset-left));
    padding-right: max(14px, env(safe-area-inset-right));
  }
  .gn-demo-brand { font-size: 13px; }
  .gn-demo-subbrand { display: none; }   /* keep the pill, drop the long label */
  .gn-demo-topright .gn-demo-btn {
    padding: 8px 12px;
    font-size: 11px;
    min-height: 36px;
  }
  /* "Open the real bridge →" gets cropped to its arrow on phone */
  .gn-demo-topright .gn-demo-btn--primary { display: none; }

  .gn-demo-main {
    padding: 18px 14px 60px;
  }

  /* --- Hero strip --- */
  .gn-hero { padding: 0 14px; margin-top: 18px; }
  .gn-hero-card {
    padding: 22px 18px;
    gap: 18px;
    grid-template-columns: 1fr;
  }
  .gn-hero-title {
    font-size: clamp(22px, 6vw, 28px);
  }
  .gn-hero-lede { font-size: 14px; }
  .gn-hero-stats {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px 18px;
  }
  .gn-hero-stat-k { font-size: 17px; }
  .gn-hero-stat-l { font-size: 10px; }
  .gn-hero-medallion {
    width: 64px;
    height: 64px;
    justify-self: start;
  }
  .gn-hero-medallion svg { width: 36px; height: 36px; }

  /* --- Chapter rail --- */
  .gn-chapter { padding: 0 14px; }
  .gn-chapter-rail {
    grid-template-columns: repeat(var(--gn-chapter-count, 7), 70px);
    padding: 12px 14px;
    gap: 10px;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    /* Fade the edges as a scroll hint */
    mask-image: linear-gradient(90deg, transparent 0, #000 12px,
                                #000 calc(100% - 12px), transparent 100%);
    -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 12px,
                                        #000 calc(100% - 12px), transparent 100%);
  }
  .gn-chapter-rail::before { display: none; }   /* no central line in scroll mode */
  .gn-chapter-step {
    scroll-snap-align: center;
    min-height: 64px;   /* generous touch target */
  }
  .gn-chapter-step .glyph { width: 40px; height: 40px; margin-bottom: 5px; }
  .gn-chapter-step .glyph svg { width: 18px; height: 18px; }
  .gn-chapter-step .label { font-size: 9px; }

  /* --- Carousel stage + scene meta --- */
  .gn-carousel { padding: 0 14px 24px; margin-top: 18px; }
  .gn-carousel-stage { border-radius: 16px; }

  .gn-scene-illu {
    aspect-ratio: 16/9;
    border-bottom: 1px solid var(--gn-line, rgba(244, 245, 247, 0.10));
  }
  .gn-scene-meta {
    padding: 22px 18px 24px;
    border-left: none;
    border-top: none;
  }
  .gn-scene-chap { font-size: 10px; }
  .gn-scene-title {
    font-size: 24px;
    margin: 10px 0 12px;
  }
  .gn-scene-lede { font-size: 14px; margin-bottom: 16px; }
  .gn-scene-tech {
    font-size: 11.5px;
    padding: 12px 12px;
    line-height: 1.55;
  }

  /* --- Carousel controls: stack with full-width buttons --- */
  .gn-carousel-controls {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .gn-carousel-controls > div {
    /* Progress + counter spans both columns above the buttons. */
    grid-column: 1 / -1;
    order: -1;
  }
  .gn-btn-carousel {
    width: 100%;
    justify-content: center;
    min-height: 44px;
    font-size: 13px;
    padding: 12px 16px;
  }

  /* --- Business value grid --- */
  .gn-business-tab { padding: 0 14px; margin-top: 32px; }
  .gn-business-tab-title { font-size: 18px; }
  .gn-business-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .gn-business-card { padding: 14px 16px; }
  .gn-business-card-headline { font-size: 16px; }
  .gn-business-card-detail { font-size: 13px; }

  /* --- Glossary strip --- */
  .gn-glossary-strip { padding: 0 14px; margin-top: 22px; }

  /* --- Glossary modal becomes a bottom sheet --- */
  .gn-glossary-modal { align-items: flex-end; }
  .gn-glossary-modal-body {
    width: 100%;
    max-width: none;
    max-height: 85vh;
    border-radius: 22px 22px 0 0;
    padding: 22px 20px env(safe-area-inset-bottom, 20px);
  }
  .gn-glossary-modal-head h3 { font-size: 19px; }

  /* --- Quote + ecosystem + footer --- */
  .gn-demo-quote { padding: 0 14px; margin-top: 32px; }
  .gn-demo-quote blockquote { padding: 18px 18px; }
  .gn-demo-quote blockquote p { font-size: 16px; }

  .gn-demo-ecosystem { padding: 0 14px; margin-top: 32px; }
  .gn-demo-h2 { font-size: 22px; }
  .gn-demo-chain { padding: 7px 11px; font-size: 11px; }

  .gn-demo-footer {
    padding: 18px 14px;
    padding-bottom: max(18px, env(safe-area-inset-bottom));
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    margin: 16px auto 24px;
  }
}

/* ----------- SMALL PHONE (≤ 420px) ----------------------------- */
@media (max-width: 420px) {
  .gn-hero-card { padding: 18px 14px; }
  .gn-hero-stats { gap: 12px 14px; }
  .gn-scene-title { font-size: 21px; }
  .gn-scene-lede { font-size: 13.5px; }
  .gn-business-card-headline { font-size: 15px; }
  .gn-business-card-detail { font-size: 12.5px; }
  .gn-demo-quote blockquote p { font-size: 15px; }

  /* Even tighter chapter glyphs */
  .gn-chapter-rail {
    grid-template-columns: repeat(var(--gn-chapter-count, 7), 60px);
    gap: 8px;
  }
  .gn-chapter-step .glyph { width: 36px; height: 36px; }
  .gn-chapter-step .glyph svg { width: 16px; height: 16px; }
}