@font-face {
  font-family: "Satoshi";
  src: url("/assets/fonts/satoshi-variable.woff2") format("woff2");
  font-weight: 300 900;
  font-display: swap;
  font-style: normal;
}

@font-face {
  font-family: "JetBrains Mono";
  src: url("/assets/fonts/jetbrains-mono-latin-400-normal.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
  font-style: normal;
}

:root {
  --bg-obsidian: #07090e;
  --bg-surface: #0d111a;
  --bg-elevated: #131926;
  --bg-panel: #171f30;
  --bg-glass: rgba(15, 20, 32, 0.78);
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.15);
  --border-highlight: rgba(245, 165, 36, 0.45);
  --text-primary: #f5f7fb;
  --text-secondary: #a6b0c3;
  --text-muted: #6e788c;
  --accent-amber: #f5a524;
  --accent-amber-soft: rgba(245, 165, 36, 0.14);
  --accent-sky: #38bdf8;
  --accent-sky-soft: rgba(56, 189, 248, 0.14);
  --accent-emerald: #10b981;
  --accent-emerald-soft: rgba(16, 185, 129, 0.15);
  --accent-rose: #f43f5e;
  --accent-rose-soft: rgba(244, 63, 94, 0.15);
  --accent-violet: #a78bfa;
  --font-sans: "Satoshi", -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  --shadow-window: 0 32px 80px -16px rgba(0, 0, 0, 0.72), 0 0 0 1px rgba(255, 255, 255, 0.1);
  --shadow-card: 0 18px 40px -15px rgba(0, 0, 0, 0.55);
  --radius-xl: 20px;
  --radius-lg: 14px;
  --radius-md: 10px;
  --radius-sm: 7px;
  --max-w: 1240px;
}

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  background-color: var(--bg-obsidian);
  color: var(--text-primary);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  margin: 0;
  background-color: var(--bg-obsidian);
  background-image:
    radial-gradient(circle at 18% 0%, rgba(245, 165, 36, 0.12), transparent 38%),
    radial-gradient(circle at 82% 6%, rgba(56, 189, 248, 0.10), transparent 42%),
    radial-gradient(circle at 50% 48%, rgba(16, 185, 129, 0.05), transparent 50%);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--accent-sky);
  text-decoration: none;
  transition: color 0.15s ease, opacity 0.15s ease;
}

a:hover {
  color: #7dd3fc;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  z-index: 999;
  padding: 10px 16px;
  background: var(--accent-amber);
  color: #090b10;
  font-weight: 700;
  border-radius: var(--radius-sm);
}

.skip-link:focus {
  top: 16px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(7, 9, 14, 0.82);
  border-bottom: 1px solid var(--border-subtle);
}

.nav-container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--text-primary);
  font-weight: 700;
  font-size: 1.08rem;
  letter-spacing: -0.02em;
}

.brand-link:hover {
  color: var(--text-primary);
}

.brand-icon {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  box-shadow: 0 4px 14px rgba(245, 165, 36, 0.28);
}

.brand-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-amber-soft);
  color: var(--accent-amber);
  border: 1px solid rgba(245, 165, 36, 0.3);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.92rem;
  font-weight: 500;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: var(--text-primary);
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  color: #080a0f !important;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  box-shadow: 0 4px 18px rgba(245, 165, 36, 0.28);
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 22px rgba(245, 165, 36, 0.4);
}

/* Main Container */
.container {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* Hero Section */
.hero {
  padding: 64px 0 40px;
  text-align: center;
}

.eyebrow-pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-strong);
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 22px;
}

.eyebrow-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  box-shadow: 0 0 10px var(--accent-emerald);
}

.hero h1 {
  margin: 0 auto 20px;
  max-width: 920px;
  font-size: clamp(2.4rem, 5vw, 4.15rem);
  line-height: 1.06;
  letter-spacing: -0.035em;
  font-weight: 800;
}

.hero-gradient {
  background: linear-gradient(135deg, #ffffff 0%, #fde68a 48%, #38bdf8 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-lead {
  margin: 0 auto 30px;
  max-width: 760px;
  font-size: clamp(1.06rem, 1.8vw, 1.24rem);
  color: var(--text-secondary);
  font-weight: 450;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 24px;
  border-radius: 12px;
  background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
  color: #07090e;
  font-weight: 700;
  font-size: 0.98rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 28px rgba(245, 165, 36, 0.3);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.btn-primary:hover {
  color: #07090e;
  transform: translateY(-1px);
  box-shadow: 0 14px 34px rgba(245, 165, 36, 0.42);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 22px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid var(--border-strong);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-secondary:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.09);
  border-color: rgba(255, 255, 255, 0.28);
}

.hero-meta-strip {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
}

.hero-meta-strip span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

/* Interactive Workbench Window */
.workbench-section {
  padding: 12px 0 72px;
}

.workbench-mode-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.mode-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: 11px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.16s ease;
}

.mode-tab:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.mode-tab[aria-selected="true"] {
  background: rgba(245, 165, 36, 0.14);
  border-color: var(--accent-amber);
  color: var(--text-primary);
  box-shadow: 0 0 24px rgba(245, 165, 36, 0.16);
}

.mode-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 2px 6px;
  border-radius: 5px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--accent-amber);
}

.mac-window {
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-window);
  overflow: hidden;
}

.mac-titlebar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background: linear-gradient(180deg, #161d2b 0%, #101622 100%);
  border-bottom: 1px solid var(--border-subtle);
  gap: 12px;
  flex-wrap: wrap;
}

.mac-traffic {
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.mac-dot.close { background: #ff5f57; }
.mac-dot.minimize { background: #febc2e; }
.mac-dot.zoom { background: #28c840; }

.mac-window-title {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 10px;
}

.mac-toolbar-pills {
  display: flex;
  align-items: center;
  gap: 8px;
}

.toolbar-pill {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  padding: 4px 10px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  cursor: pointer;
}

.toolbar-pill.accent {
  background: var(--accent-emerald-soft);
  border-color: rgba(16, 185, 129, 0.35);
  color: #6ee7b7;
}

.workbench-pane {
  display: none;
}

.workbench-pane.active {
  display: block;
}

/* Pane 1: Interactive Authoring Studio */
.studio-grid {
  display: grid;
  grid-template-columns: 230px 1fr 290px;
  min-height: 540px;
}

.studio-sidebar {
  background: #0b0f17;
  border-right: 1px solid var(--border-subtle);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.sidebar-heading {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin: 0 0 8px;
}

.slide-list, .layer-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.slide-item, .layer-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 9px 11px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: all 0.14s ease;
}

.slide-item:hover, .layer-item:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

.slide-item.active, .layer-item.active {
  background: rgba(245, 165, 36, 0.13);
  border-color: rgba(245, 165, 36, 0.45);
  color: var(--text-primary);
  font-weight: 600;
}

.item-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--text-muted);
}

.studio-center {
  background: #0f1420;
  padding: 22px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 16px;
}

.stage-canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: #f8f5ee;
  color: #18181b;
  border-radius: 12px;
  padding: 28px;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.08), 0 20px 45px rgba(0, 0, 0, 0.45);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.stage-element {
  position: relative;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 12px 14px;
  cursor: pointer;
  transition: all 0.18s ease;
}

.stage-element:hover {
  border-color: rgba(56, 189, 248, 0.65);
}

.stage-element.selected {
  border-color: #0284c7;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.18);
}

.stage-handle-badge {
  position: absolute;
  top: -11px;
  right: 10px;
  background: #0284c7;
  color: #fff;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: 1px 7px;
  border-radius: 4px;
  display: none;
}

.stage-element.selected .stage-handle-badge {
  display: inline-block;
}

.stage-kicker {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #9a3412;
  margin-bottom: 4px;
}

.stage-title {
  font-size: 1.45rem;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
  color: #18181b;
}

.stage-card {
  background: #ffffff;
  border: 1px solid #e4e0d5;
  border-radius: 10px;
  padding: 14px 16px;
  color: #27272a;
  font-size: 0.92rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.stage-choices {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.stage-btn-el {
  background: #1e293b;
  color: #ffffff;
  padding: 12px 14px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 0.85rem;
  text-align: left;
}

.stage-layer-overlay {
  position: absolute;
  inset: 18px;
  background: rgba(15, 23, 42, 0.94);
  color: #f8fafc;
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  border: 1px solid rgba(56, 189, 248, 0.4);
  backdrop-filter: blur(8px);
}

.stage-layer-overlay[hidden] {
  display: none !important;
}

.timeline-strip {
  background: #0b0f17;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.studio-inspector {
  background: #0b0f17;
  border-left: 1px solid var(--border-subtle);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.inspector-group {
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 12px;
}

.inspector-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
}

.inspector-input, .inspector-select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 7px;
  background: #141b29;
  border: 1px solid var(--border-strong);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
}

.swatch-row {
  display: flex;
  gap: 8px;
  margin-top: 6px;
}

.color-swatch {
  width: 26px;
  height: 26px;
  border-radius: 6px;
  border: 2px solid rgba(255,255,255,0.2);
  cursor: pointer;
}

.color-swatch.active {
  border-color: #ffffff;
  transform: scale(1.08);
}

.xml-live-box {
  font-family: var(--font-mono);
  font-size: 0.71rem;
  line-height: 1.45;
  background: #070a10;
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: 8px;
  padding: 10px;
  color: #a7f3d0;
  overflow-x: auto;
  white-space: pre-wrap;
}

/* Pane 2: Playable HTML5 Course & Live SCORM 1.2 Telemetry */
.player-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  min-height: 540px;
}

.player-stage-column {
  padding: 24px;
  background: #0f1420;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 18px;
}

.playable-card {
  background: #fcfaf5;
  color: #18181b;
  border-radius: 14px;
  padding: 32px;
  min-height: 370px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.45);
  position: relative;
}

.playable-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: #71717a;
  border-bottom: 1px solid #e4e4e7;
  padding-bottom: 12px;
}

.playable-body h3 {
  font-size: 1.55rem;
  margin: 14px 0 8px;
  color: #09090b;
}

.playable-body p {
  color: #3f3f46;
  margin: 0 0 16px;
  font-size: 0.98rem;
}

.playable-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 12px 0;
}

.playable-option-btn {
  padding: 13px 16px;
  border-radius: 10px;
  border: 1.5px solid #d4d4d8;
  background: #ffffff;
  color: #18181b;
  font-family: var(--font-sans);
  font-size: 0.93rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  transition: all 0.15s ease;
}

.playable-option-btn:hover {
  border-color: #0284c7;
  background: #f0f9ff;
}

.playable-feedback {
  margin-top: 12px;
  padding: 13px 16px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 500;
}

.playable-feedback.good {
  background: #ecfdf5;
  border: 1px solid #10b981;
  color: #065f46;
}

.playable-feedback.retry {
  background: #fffbeb;
  border: 1px solid #f59e0b;
  color: #92400e;
}

.playable-controls {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid #e4e4e7;
}

.scorm-console {
  background: #080b11;
  border-left: 1px solid var(--border-subtle);
  padding: 18px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  font-family: var(--font-mono);
}

.scorm-console-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.76rem;
  color: var(--accent-sky);
}

.scorm-kv-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 12px 0;
}

.scorm-kv {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  border-radius: 7px;
  padding: 8px 10px;
}

.scorm-kv-key {
  font-size: 0.65rem;
  color: var(--text-muted);
  display: block;
}

.scorm-kv-val {
  font-size: 0.8rem;
  color: var(--accent-emerald);
  font-weight: 600;
}

.scorm-log-list {
  flex: 1;
  background: #05070b;
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: 10px;
  font-size: 0.71rem;
  line-height: 1.55;
  color: #93c5fd;
  max-height: 260px;
  overflow-y: auto;
}

.scorm-log-entry {
  margin-bottom: 6px;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
  padding-bottom: 4px;
}

/* Pane 3: Surgical .story Diff & Writeback Gate Explorer */
.surgical-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 540px;
}

.surgical-menu {
  background: #0b0f17;
  border-right: 1px solid var(--border-subtle);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.surgical-btn {
  text-align: left;
  padding: 11px 13px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}

.surgical-btn:hover {
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.surgical-btn.active {
  background: rgba(56, 189, 248, 0.12);
  border-color: var(--accent-sky);
  color: var(--text-primary);
  font-weight: 600;
}

.surgical-detail {
  padding: 24px;
  background: #0f1420;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gate-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 14px 18px;
  border-radius: 10px;
  background: var(--accent-emerald-soft);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: #a7f3d0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.gate-banner.refused {
  background: var(--accent-amber-soft);
  border-color: rgba(245, 165, 36, 0.45);
  color: #fde68a;
}

.diff-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.diff-box {
  background: #070a10;
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  padding: 14px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.55;
  overflow-x: auto;
}

.diff-box h4 {
  margin: 0 0 10px;
  font-size: 0.74rem;
  text-transform: uppercase;
  color: var(--text-muted);
}

.diff-del {
  color: #fda4af;
  background: rgba(244, 63, 94, 0.14);
  display: block;
  padding: 2px 6px;
  border-radius: 4px;
}

.diff-add {
  color: #6ee7b7;
  background: rgba(16, 185, 129, 0.14);
  display: block;
  padding: 2px 6px;
  border-radius: 4px;
}

/* Pane 4: Real macOS Captures */
.captures-layout {
  padding: 24px;
  background: #0f1420;
}

.captures-Selector {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.capture-pill {
  padding: 9px 14px;
  border-radius: 9px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.capture-pill.active {
  background: var(--accent-amber-soft);
  border-color: var(--accent-amber);
  color: var(--text-primary);
}

.capture-frame {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border-strong);
  background: #07090e;
}

.capture-frame img {
  width: 100%;
  height: auto;
  display: block;
}

.capture-caption {
  margin-top: 12px;
  font-size: 0.92rem;
  color: var(--text-secondary);
  text-align: center;
}

/* Feature Bento Grid */
.section {
  padding: 76px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  max-width: 760px;
  margin: 0 auto 48px;
  text-align: center;
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-amber);
  margin-bottom: 10px;
  display: block;
}

.section-header h2 {
  font-size: clamp(1.85rem, 3.4vw, 2.75rem);
  line-height: 1.14;
  letter-spacing: -0.025em;
  margin: 0 0 14px;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.06rem;
  margin: 0;
}

.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.bento-card {
  background: linear-gradient(180deg, rgba(23, 31, 48, 0.72) 0%, rgba(13, 17, 26, 0.9) 100%);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 26px;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
}

.bento-card.span-2 {
  grid-column: span 2;
}

.bento-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--accent-sky);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.bento-card h3 {
  margin: 0;
  font-size: 1.28rem;
  letter-spacing: -0.015em;
}

.bento-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.code-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 6px;
}

.code-chip {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  padding: 4px 9px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

/* Interactive Capability Matrix Table */
.matrix-filter-bar {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 24px;
}

.filter-pill {
  padding: 8px 15px;
  border-radius: 999px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
}

.filter-pill.active {
  background: var(--accent-sky-soft);
  border-color: var(--accent-sky);
  color: var(--text-primary);
}

.matrix-table-wrap {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.matrix-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.92rem;
}

.matrix-table th,
.matrix-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
}

.matrix-table th {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.02);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  padding: 3px 9px;
  border-radius: 999px;
  background: var(--accent-emerald-soft);
  color: #6ee7b7;
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.status-pill.amber {
  background: var(--accent-amber-soft);
  color: #fcd34d;
  border-color: rgba(245, 165, 36, 0.35);
}

/* Prose / Legal / Support Layout */
.page-hero {
  padding: 56px 0 32px;
  border-bottom: 1px solid var(--border-subtle);
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin: 10px 0 12px;
  letter-spacing: -0.03em;
}

.prose-grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 48px 0 80px;
}

.prose-toc {
  position: sticky;
  top: 90px;
  align-self: start;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
}

.prose-toc h3 {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  color: var(--text-muted);
  margin: 0 0 12px;
}

.prose-toc ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.prose-toc a {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.prose-toc a:hover {
  color: var(--text-primary);
}

.prose-content {
  max-width: 820px;
}

.prose-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-bottom: 24px;
}

.prose-card h2 {
  margin-top: 0;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
}

.prose-card p, .prose-card li {
  color: var(--text-secondary);
  font-size: 0.97rem;
}

.prose-card ul, .prose-card ol {
  padding-left: 20px;
}

.prose-card code {
  font-family: var(--font-mono);
  font-size: 0.84em;
  background: rgba(255, 255, 255, 0.06);
  padding: 2px 6px;
  border-radius: 5px;
  color: #e2e8f0;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #05070b;
  padding: 52px 0 40px;
  color: var(--text-muted);
  font-size: 0.88rem;
}

.footer-grid {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.footer-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--text-primary);
}

@media (max-width: 980px) {
  .studio-grid,
  .player-layout,
  .surgical-layout,
  .prose-grid,
  .bento-grid {
    grid-template-columns: 1fr;
  }
  .bento-card.span-2 {
    grid-column: span 1;
  }
  .diff-columns {
    grid-template-columns: 1fr;
  }
  .prose-toc {
    position: static;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}