:root {
  /* GNOME Libadwaita Dark + Precision Developer Palette */
  --bg-canvas: #0f1217;
  --bg-surface: #171b22;
  --bg-elevated: #1e232d;
  --bg-card: #222834;
  --bg-card-hover: #272e3c;
  --bg-headerbar: rgba(23, 27, 34, 0.82);
  --bg-code: #12151b;

  /* Text Hierarchy */
  --fg-primary: #f6f5f4;
  --fg-secondary: #aeb5c2;
  --fg-muted: #768091;

  /* Brand & Semantic Accents (Matched to dev.tsndr.dbased.svg & Adwaita) */
  --accent-blue: #3584e4;
  --accent-blue-bright: #62a0ea;
  --accent-blue-deep: #1c71d8;
  --accent-blue-subtle: rgba(53, 132, 228, 0.14);

  --accent-green: #2ec27e;
  --accent-green-bright: #8ff0a4;
  --accent-green-subtle: rgba(46, 194, 126, 0.14);

  --accent-amber: #f5c211;
  --accent-amber-subtle: rgba(245, 194, 17, 0.14);

  --accent-purple: #c061cb;
  --accent-red: #e01b24;

  /* Borders & Shadows */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-default: rgba(255, 255, 255, 0.11);
  --border-strong: rgba(255, 255, 255, 0.18);
  --border-accent: rgba(98, 160, 234, 0.45);

  --shadow-window:
    0 30px 70px -15px rgba(0, 0, 0, 0.72),
    0 0 0 1px rgba(255, 255, 255, 0.1),
    0 1px 0 0 rgba(255, 255, 255, 0.12) inset;
  --shadow-card:
    0 12px 32px -8px rgba(0, 0, 0, 0.45),
    0 1px 0 0 rgba(255, 255, 255, 0.06) inset;

  /* Typography */
  --font-sans: "Inter", "Cantarell", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, sans-serif;
  --font-mono: "JetBrains Mono", "Fira Code", "Source Code Pro", "Adwaita Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Layout */
  --container-max: 1220px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 22px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 84px;
  background-color: var(--bg-canvas);
  color: var(--fg-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  color-scheme: dark;
  overflow-x: clip;
}

body {
  min-height: 100vh;
  overflow-x: clip;
  background-color: var(--bg-canvas);
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(53, 132, 228, 0.20), transparent 70%),
    radial-gradient(ellipse 45% 35% at 85% 18%, rgba(46, 194, 126, 0.08), transparent 65%),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 48px 48px, 48px 48px;
  background-position: center top;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

code,
pre,
kbd,
.mono {
  font-family: var(--font-mono);
  font-variant-ligatures: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   Sticky GNOME Headerbar Navigation
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: 64px;
  background: var(--bg-headerbar);
  backdrop-filter: blur(18px) saturate(160%);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid var(--border-default);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: -0.02em;
  color: var(--fg-primary);
  white-space: nowrap;
  flex-shrink: 0;
  transition: opacity 150ms ease;
}

.brand:hover {
  opacity: 0.92;
}

.brand-icon {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  padding: 6px 13px;
  border-radius: 7px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-secondary);
  white-space: nowrap;
  transition: color 140ms ease, background-color 140ms ease;
}

.nav-link:hover,
.nav-link.active {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.07);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  max-width: 100%;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  font-weight: 600;
  padding: 9px 16px;
  border-radius: 9px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 150ms cubic-bezier(0.22, 1, 0.36, 1);
  white-space: nowrap;
  user-select: none;
}

.btn svg {
  width: 17px;
  height: 17px;
  flex-shrink: 0;
}

.btn-primary {
  background: linear-gradient(180deg, #3f8ce8 0%, #2674d2 100%);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow:
    0 4px 14px rgba(28, 113, 216, 0.4),
    0 1px 0 rgba(255, 255, 255, 0.2) inset;
}

.btn-primary:hover {
  background: linear-gradient(180deg, #4d97ee 0%, #2d7fe0 100%);
  transform: translateY(-1px);
  box-shadow:
    0 6px 20px rgba(53, 132, 228, 0.52),
    0 1px 0 rgba(255, 255, 255, 0.25) inset;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-primary);
  border-color: var(--border-default);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.11);
  border-color: var(--border-strong);
  transform: translateY(-1px);
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.825rem;
  border-radius: 8px;
}

.btn-lg {
  padding: 12px 22px;
  font-size: 0.975rem;
  border-radius: 11px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  padding: 64px 0 36px;
  text-align: center;
  position: relative;
}

.hero-badges {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 24px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.045);
  border: 1px solid var(--border-default);
  color: var(--fg-secondary);
}

.pill-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--accent-green-bright);
  box-shadow: 0 0 8px var(--accent-green);
}

.pill-rust {
  color: #f6b26b;
  border-color: rgba(246, 178, 107, 0.25);
  background: rgba(246, 178, 107, 0.08);
}

.pill-vim {
  color: var(--accent-green-bright);
  border-color: rgba(46, 194, 126, 0.28);
  background: rgba(46, 194, 126, 0.09);
}

.hero-identity {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 18px;
  margin-bottom: 20px;
}

.hero-app-icon {
  width: 88px;
  height: 88px;
  filter: drop-shadow(0 14px 28px rgba(0, 0, 0, 0.55));
  transition: transform 250ms cubic-bezier(0.22, 1, 0.36, 1);
}

.hero-app-icon:hover {
  transform: translateY(-3px) scale(1.03);
}

.hero-title {
  font-size: clamp(2.35rem, 5vw, 3.85rem);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.08;
  max-width: 880px;
  margin: 0 auto;
  color: var(--fg-primary);
}

.hero-title-accent {
  background: linear-gradient(135deg, #99c1f1 0%, #62a0ea 45%, #8ff0a4 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  color: var(--fg-secondary);
  max-width: 740px;
  margin: 18px auto 30px;
  line-height: 1.65;
}

.hero-subtitle strong {
  color: var(--fg-primary);
  font-weight: 600;
}

.hero-cta-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.copy-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--fg-secondary);
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 5px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 140ms ease;
  flex-shrink: 0;
}

.copy-icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--fg-primary);
}

.copy-icon-btn.copied {
  background: var(--accent-green-subtle);
  border-color: rgba(46, 194, 126, 0.4);
  color: var(--accent-green-bright);
}

.copy-icon-btn svg {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   Interactive Libadwaita Workspace Showcase
   ========================================================================== */
.showcase-section {
  padding: 20px 0 72px;
}

.adw-switcher-bar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.adw-view-switcher {
  display: inline-flex;
  flex-wrap: nowrap;
  justify-content: center;
  gap: 4px;
  max-width: 100%;
  background: var(--bg-surface);
  padding: 5px;
  border-radius: 14px;
  border: 1px solid var(--border-default);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.adw-tab-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 9px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg-secondary);
  font-family: var(--font-sans);
  font-size: 0.84rem;
  font-weight: 600;
  white-space: nowrap;
  flex-shrink: 0;
  cursor: pointer;
  transition: all 150ms ease;
}

.adw-tab-btn svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
  opacity: 0.8;
}

.adw-tab-btn .tab-key {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-muted);
  border: 1px solid var(--border-subtle);
}

.adw-tab-btn:hover {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.05);
}

.adw-tab-btn.active {
  color: #ffffff;
  background: rgba(53, 132, 228, 0.22);
  border-color: rgba(98, 160, 234, 0.45);
  box-shadow: 0 2px 10px rgba(53, 132, 228, 0.2);
}

.adw-tab-btn.active svg {
  color: var(--accent-blue-bright);
  opacity: 1;
}

.adw-tab-btn.active .tab-key {
  background: rgba(53, 132, 228, 0.3);
  color: #ffffff;
  border-color: rgba(98, 160, 234, 0.5);
}

/* Showcase Frame */
.showcase-window-wrap {
  position: relative;
  max-width: 1120px;
  margin: 0 auto;
}

.showcase-glow {
  position: absolute;
  inset: -16px;
  background: radial-gradient(circle at 50% 35%, rgba(53, 132, 228, 0.22), rgba(46, 194, 126, 0.07) 55%, transparent 75%);
  filter: blur(28px);
  z-index: -1;
  pointer-events: none;
}

.showcase-frame {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #1e1e1e;
  box-shadow: var(--shadow-window);
  border: 1px solid rgba(255, 255, 255, 0.14);
  cursor: zoom-in;
}

.showcase-img {
  width: 100%;
  height: auto;
  display: block;
  transition: opacity 180ms ease;
}

.showcase-zoom-hint {
  position: absolute;
  bottom: 14px;
  right: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 11px;
  border-radius: 8px;
  background: rgba(15, 18, 23, 0.82);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-default);
  color: var(--fg-secondary);
  font-size: 0.76rem;
  font-weight: 500;
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: all 160ms ease;
}

.showcase-frame:hover .showcase-zoom-hint {
  opacity: 1;
  transform: translateY(0);
}

/* Contextual Caption Bar under Screenshot */
.showcase-caption-card {
  margin-top: 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 18px 22px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  box-shadow: var(--shadow-card);
}

.caption-main {
  flex: 1 1 460px;
  min-width: 0;
  max-width: 100%;
}

.caption-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin-bottom: 6px;
}

.caption-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 2px 8px;
  border-radius: 5px;
  background: var(--accent-blue-subtle);
  color: var(--accent-blue-bright);
  border: 1px solid rgba(98, 160, 234, 0.3);
  white-space: nowrap;
  flex-shrink: 0;
}

.caption-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--fg-primary);
}

.caption-desc {
  font-size: 0.92rem;
  color: var(--fg-secondary);
}

.caption-shortcuts {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.shortcut-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border-radius: 7px;
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--fg-secondary);
}

kbd {
  display: inline-block;
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--fg-primary);
  background: #2b3240;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom-width: 2px;
  border-radius: 5px;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section {
  padding: 80px 0;
  border-top: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 52px;
}

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-blue-bright);
  margin-bottom: 10px;
}

.section-title {
  font-size: clamp(1.75rem, 3.2vw, 2.45rem);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.18;
  color: var(--fg-primary);
  margin-bottom: 14px;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--fg-secondary);
}

/* ==========================================================================
   Feature Bento Grid
   ========================================================================== */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.feature-card {
  background: linear-gradient(180deg, rgba(34, 40, 52, 0.75) 0%, rgba(23, 27, 34, 0.9) 100%);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 26px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: var(--shadow-card);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.feature-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
}

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

.feature-icon-wrap {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue-subtle);
  color: var(--accent-blue-bright);
  border: 1px solid rgba(98, 160, 234, 0.25);
}

.feature-icon-wrap.green {
  background: var(--accent-green-subtle);
  color: var(--accent-green-bright);
  border-color: rgba(46, 194, 126, 0.28);
}

.feature-icon-wrap.amber {
  background: var(--accent-amber-subtle);
  color: var(--accent-amber);
  border-color: rgba(245, 194, 17, 0.28);
}

.feature-icon-wrap svg {
  width: 22px;
  height: 22px;
}

.feature-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: -0.015em;
  color: var(--fg-primary);
}

.feature-desc {
  font-size: 0.935rem;
  color: var(--fg-secondary);
  line-height: 1.62;
}

.feature-desc code {
  font-size: 0.83rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-primary);
  border: 1px solid var(--border-subtle);
}

.feature-tags {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.tech-tag {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  padding: 3px 8px;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--fg-muted);
}

/* ==========================================================================
   Interactive Vim & Filter Demo Strip
   ========================================================================== */
.workflow-split {
  margin-top: 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.terminal-card {
  background: var(--bg-code);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--fg-secondary);
}

.terminal-header-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 2px 7px;
  border-radius: 4px;
  background: var(--accent-green-subtle);
  color: var(--accent-green-bright);
  white-space: nowrap;
  flex-shrink: 0;
}

.terminal-body {
  padding: 18px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--fg-primary);
  flex: 1;
  overflow-x: auto;
  max-width: 100%;
}

.sql-kw { color: #f6b26b; font-weight: 600; }
.sql-fn { color: #62a0ea; }
.sql-str { color: #8ff0a4; }
.sql-num { color: #c061cb; }
.sql-comment { color: #6e7787; font-style: italic; }

.vim-statusbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 8px 14px;
  background: #1d222b;
  border-top: 1px solid var(--border-subtle);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--fg-secondary);
}

.vim-mode-pill {
  font-weight: 700;
  color: var(--fg-primary);
  white-space: nowrap;
  flex-shrink: 0;
}

/* ==========================================================================
   Installation Section (Distro Tabs + Release Matrix)
   ========================================================================== */
.install-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}

.distro-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-default);
}

.distro-tab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--fg-secondary);
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 140ms ease;
}

.distro-tab:hover {
  color: var(--fg-primary);
  background: rgba(255, 255, 255, 0.05);
}

.distro-tab.active {
  color: #ffffff;
  background: var(--accent-blue-subtle);
  border-color: rgba(98, 160, 234, 0.4);
}

.distro-tab .ext-badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.07);
  color: var(--fg-muted);
  white-space: nowrap;
}

.distro-tab.active .ext-badge {
  background: rgba(53, 132, 228, 0.28);
  color: var(--accent-blue-bright);
}

.distro-panel {
  display: none;
  padding: 28px;
}

.distro-panel.active {
  display: block;
}

.distro-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1.35fr;
  gap: 24px;
  align-items: start;
}

.distro-panel-grid > * {
  min-width: 0;
}

.cmd-block {
  background: var(--bg-code);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  min-width: 0;
}

.cmd-block:last-child {
  margin-bottom: 0;
}

.cmd-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.03);
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--fg-secondary);
}

.cmd-pre {
  padding: 14px 16px;
  font-family: var(--font-mono);
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--fg-primary);
  overflow-x: auto;
  max-width: 100%;
}

.distro-info-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 20px;
  min-width: 0;
}

.distro-info-card h4 {
  font-size: 0.98rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--fg-primary);
}

.distro-info-card p {
  font-size: 0.88rem;
  color: var(--fg-secondary);
  margin-bottom: 16px;
}

.distro-meta-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 18px;
  font-size: 0.84rem;
  color: var(--fg-secondary);
}

.distro-meta-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 6px 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

.distro-meta-list li code {
  word-break: break-word;
}

.distro-meta-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

/* ==========================================================================
   Keyboard Shortcuts & Vim Command Reference
   ========================================================================== */
.shortcuts-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.shortcut-group-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.shortcut-group-header {
  padding: 16px 20px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.shortcut-group-header h3 {
  font-size: 0.98rem;
  font-weight: 700;
  color: var(--fg-primary);
}

.shortcut-list {
  list-style: none;
  padding: 8px 0;
}

.shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 20px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.875rem;
}

.shortcut-row:last-child {
  border-bottom: none;
}

.shortcut-desc {
  color: var(--fg-secondary);
}

.shortcut-keys {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  flex-shrink: 0;
}

/* ==========================================================================
   Architecture & Security Strip
   ========================================================================== */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.arch-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-card);
  min-width: 0;
}

.arch-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.arch-card p {
  font-size: 0.9rem;
  color: var(--fg-secondary);
  line-height: 1.6;
}

.arch-card code {
  font-size: 0.8rem;
  padding: 1px 6px;
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--fg-primary);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  border-top: 1px solid var(--border-default);
  background: rgba(15, 18, 23, 0.9);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.footer-brand img {
  width: 40px;
  height: 40px;
}

.footer-brand-text h4 {
  font-size: 1rem;
  font-weight: 700;
}

.footer-brand-text p {
  font-size: 0.84rem;
  color: var(--fg-muted);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-size: 0.88rem;
  color: var(--fg-secondary);
}

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

/* ==========================================================================
   Lightbox Modal for Full-Resolution Screenshots
   ========================================================================== */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(8, 10, 14, 0.9);
  backdrop-filter: blur(12px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.lightbox.open {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content {
  max-width: min(1400px, 95vw);
  max-height: 90vh;
  position: relative;
}

.lightbox-img {
  max-width: 100%;
  max-height: 86vh;
  border-radius: 12px;
  box-shadow: 0 25px 80px rgba(0, 0, 0, 0.85);
  border: 1px solid var(--border-strong);
}

.lightbox-close {
  position: absolute;
  top: -16px;
  right: -16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  color: var(--fg-primary);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1120px) {
  .adw-tab-btn {
    padding: 7px 10px;
    font-size: 0.8rem;
    gap: 6px;
  }
}

@media (max-width: 1024px) {
  .bento-grid,
  .shortcuts-grid,
  .arch-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-card.span-2,
  .shortcuts-grid > :last-child,
  .arch-grid > :last-child {
    grid-column: span 2;
  }

  .distro-panel-grid,
  .workflow-split {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 960px) {
  .header-nav {
    display: none;
  }

  .adw-tab-btn .tab-key {
    display: none;
  }
}

@media (max-width: 820px) {
  .adw-view-switcher {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }

  .hero {
    padding: 44px 0 28px;
  }

  .hero-cta-row {
    flex-direction: column;
    width: 100%;
  }

  .hero-cta-row .btn {
    width: 100%;
    white-space: normal;
    text-align: center;
    line-height: 1.35;
  }

  .bento-grid,
  .shortcuts-grid,
  .arch-grid {
    grid-template-columns: 1fr;
  }

  .feature-card.span-2,
  .shortcuts-grid > :last-child,
  .arch-grid > :last-child {
    grid-column: span 1;
  }

  .distro-panel {
    padding: 18px;
  }
}

@media (max-width: 540px) {
  .adw-view-switcher {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .header-inner {
    gap: 10px;
  }

  .brand {
    gap: 8px;
    font-size: 1.02rem;
  }

  .brand-icon {
    width: 30px;
    height: 30px;
  }

  .header-actions {
    gap: 8px;
  }

  .header-actions .btn-sm {
    padding: 6px 10px;
    font-size: 0.78rem;
  }
}