/* ═══════════════════════════════════════════════════════════════════════
   ShadowBit — Documentation Site
   index.css — design tokens, custom components, animations
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Hidden attribute override (Tailwind flex overrides UA [hidden]) ── */
[hidden] {
  display: none !important;
}

/* ── Skip link (keyboard only) ──────────────────────────────────────── */
/* Off-screen until focused, then pinned to the top-left so it clears the
   fixed navbar. Without this, keyboard users tab through the whole nav on
   every page. */
.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  padding: 0.75rem 1.25rem;
  background: var(--sb-cyan);
  color: var(--sb-bg);
  font-weight: 700;
  border-bottom-right-radius: var(--radius-sm);
}
.skip-link:focus {
  left: 0;
}

/* Visually hidden but still announced by screen readers. Used for labels on
   icon-only or placeholder-only inputs (e.g. the CLI filter box). */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ── Reduced motion ─────────────────────────────────────────────────── */
/* Honour the OS preference: kill scroll-spy and transition animation. */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* ── Design tokens ──────────────────────────────────────────────────── */
:root {
  --sb-bg: #080d1a;
  --sb-bg-2: #0d1425;
  --sb-bg-3: #111827;
  --sb-bg-card: #0f1829;
  --sb-border: rgba(255, 255, 255, 0.07);
  --sb-border-hover: rgba(255, 255, 255, 0.15);
  --sb-text: #e2e8f0;
  --sb-muted: #7a8ba0;
  --sb-cyan: #22d3ee;
  --sb-cyan-dark: #0891b2;
  --sb-indigo: #818cf8;
  --sb-violet: #a78bfa;
  --sb-emerald: #34d399;
  --sb-amber: #fbbf24;
  --sb-red: #f87171;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;

  /* typography */
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
}

/* ── Tailwind config ────────────────────────────────────────────────── */
/* (Tailwind CDN reads this block at runtime) */
/* We use custom class names via index.css directly */

/* ── Base resets ────────────────────────────────────────────────────── */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 72px;
}

body {
  background-color: var(--sb-bg);
  color: var(--sb-text);
  font-family:
    "Inter",
    "system-ui",
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ── Tailwind utility bridges (used in HTML) ────────────────────────── */
.bg-sb-bg {
  background-color: var(--sb-bg);
}
.text-sb-text {
  color: var(--sb-text);
}
.text-sb-muted {
  color: var(--sb-muted);
}
.text-sb-cyan {
  color: var(--sb-cyan);
}
.border-sb-border {
  border-color: var(--sb-border);
}
.border-sb-cyan\/30 {
  border-color: rgba(34, 211, 238, 0.3);
}
.bg-sb-cyan\/5 {
  background-color: rgba(34, 211, 238, 0.05);
}
/* `bg-sb-cyan` was in index.html for the live badge dot but had no rule
   anywhere -- the Tailwind CDN never generated it either, since `sb-cyan` is
   not in its default palette, so the dot rendered transparent. */
.bg-sb-cyan {
  background-color: var(--sb-cyan);
}
.text-sb-muted\/70 {
  color: rgba(122, 139, 160, 0.7);
}
.text-sb-muted\/40 {
  color: rgba(122, 139, 160, 0.4);
}
.text-sb-muted\/60 {
  color: rgba(122, 139, 160, 0.6);
}

/* ── Section utilities ──────────────────────────────────────────────── */
.section-alt {
  background-color: var(--sb-bg-2);
}

.section-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--sb-cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  border-radius: 999px;
  padding: 0.2em 0.8em;
}

.section-heading {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

/* ── Code inline ────────────────────────────────────────────────────── */
.code-inline {
  font-family:
    "JetBrains Mono", "Fira Code", "Cascadia Code", "Consolas", monospace;
  font-size: 0.82em;
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.15);
  color: var(--sb-cyan);
  padding: 0.1em 0.45em;
  border-radius: 4px;
}

/* ═══════════════════════════════════════════════════════════════════════
   NAVBAR
   ═══════════════════════════════════════════════════════════════════════ */
.navbar {
  background: rgba(8, 13, 26, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid transparent;
  transition:
    border-color 0.3s,
    background 0.3s;
}

.navbar.scrolled {
  background: rgba(8, 13, 26, 0.95);
  border-bottom-color: var(--sb-border);
}

.nav-logo {
  text-decoration: none;
  transition: opacity 0.2s;
}
.nav-logo:hover {
  opacity: 0.85;
}

.logo-icon {
  font-size: 1.3rem;
  line-height: 1;
}

.version-badge {
  font-size: 0.65rem;
  font-weight: 700;
  background: rgba(34, 211, 238, 0.12);
  border: 1px solid rgba(34, 211, 238, 0.25);
  color: var(--sb-cyan);
  padding: 0.15em 0.5em;
  border-radius: 999px;
  letter-spacing: 0.05em;
}

.nav-link {
  display: block;
  padding: 0.4em 0.75em;
  color: var(--sb-muted);
  text-decoration: none;
  border-radius: 6px;
  transition:
    color 0.2s,
    background 0.2s;
}
.nav-link:hover,
.nav-link.active {
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
}
.nav-link.active {
  color: var(--sb-cyan);
}

.mobile-menu {
  background: rgba(8, 13, 26, 0.98);
}
.mobile-nav-link {
  display: block;
  padding: 0.6em 0;
  color: var(--sb-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--sb-border);
  transition: color 0.2s;
}
.mobile-nav-link:hover {
  color: #fff;
}

/* ── Buttons ────────────────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.5em 1.2em;
  background: var(--sb-cyan);
  color: var(--sb-bg);
  font-weight: 700;
  font-size: 0.875rem;
  border-radius: 8px;
  text-decoration: none;
  transition:
    background 0.2s,
    transform 0.15s,
    box-shadow 0.2s;
  box-shadow: 0 0 20px rgba(34, 211, 238, 0.25);
}
.btn-primary:hover {
  background: #38e2f7;
  transform: translateY(-1px);
  box-shadow: 0 0 30px rgba(34, 211, 238, 0.4);
}

.btn-hero-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.9em 2em;
  background: linear-gradient(135deg, var(--sb-cyan), #6366f1);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  border-radius: 12px;
  text-decoration: none;
  transition:
    transform 0.2s,
    box-shadow 0.2s;
  box-shadow:
    0 0 40px rgba(34, 211, 238, 0.3),
    0 4px 20px rgba(0, 0, 0, 0.4);
}
.btn-hero-primary:hover {
  transform: translateY(-2px);
  box-shadow:
    0 0 60px rgba(34, 211, 238, 0.45),
    0 8px 30px rgba(0, 0, 0, 0.5);
}

.btn-hero-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  padding: 0.9em 2em;
  background: rgba(255, 255, 255, 0.05);
  color: var(--sb-muted);
  font-size: 1rem;
  border-radius: 12px;
  text-decoration: none;
  border: 1px solid var(--sb-border);
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s,
    transform 0.2s;
}
.btn-hero-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--sb-cyan);
  border-color: rgba(34, 211, 238, 0.3);
  transform: translateY(-1px);
}

/* ═══════════════════════════════════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════════════════════════════════ */
.hero-section {
  background:
    radial-gradient(
      ellipse 80% 60% at 50% -10%,
      rgba(34, 211, 238, 0.07) 0%,
      transparent 70%
    ),
    radial-gradient(
      ellipse 60% 50% at 80% 80%,
      rgba(99, 102, 241, 0.06) 0%,
      transparent 60%
    ),
    var(--sb-bg);
}

/* Dot grid background */
.hero-grid {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    circle,
    rgba(34, 211, 238, 0.12) 1px,
    transparent 1px
  );
  background-size: 40px 40px;
  mask-image: radial-gradient(
    ellipse 80% 80% at center,
    black 40%,
    transparent 100%
  );
  -webkit-mask-image: radial-gradient(
    ellipse 80% 80% at center,
    black 40%,
    transparent 100%
  );
}

/* Glow orbs */
.glow-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  pointer-events: none;
}
.glow-orb-1 {
  width: 600px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(34, 211, 238, 0.08),
    transparent 70%
  );
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
}
.glow-orb-2 {
  width: 400px;
  height: 400px;
  background: radial-gradient(
    circle,
    rgba(99, 102, 241, 0.06),
    transparent 70%
  );
  bottom: 10%;
  right: 10%;
}

/* Hero vault icon */
.hero-icon-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
}

.hero-vault-ring {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid rgba(34, 211, 238, 0.25);
  animation: ring-pulse 3s ease-in-out infinite;
}
.hero-vault-ring-2 {
  inset: -15px;
  border-color: rgba(34, 211, 238, 0.1);
  animation-delay: 1.5s;
}

@keyframes ring-pulse {
  0%,
  100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.04);
  }
}

.hero-icon {
  font-size: 3.5rem;
  line-height: 1;
  position: relative;
  filter: drop-shadow(0 0 24px rgba(34, 211, 238, 0.4));
  animation: icon-float 4s ease-in-out infinite;
}

@keyframes icon-float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

/* Hero gradient text */
.text-gradient {
  background: linear-gradient(135deg, var(--sb-cyan) 0%, #6366f1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Hero headline typewriter cursor */
.hero-headline {
  color: #fff;
}

/* Stat pills */
.stat-pill {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1em;
  padding: 0.6em 1.2em;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--sb-border);
  border-radius: 999px;
  transition:
    border-color 0.2s,
    background 0.2s;
}
.stat-pill:hover {
  border-color: rgba(34, 211, 238, 0.25);
  background: rgba(34, 211, 238, 0.04);
}
.stat-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--sb-muted);
}
.stat-value {
  font-size: 0.8rem;
  font-weight: 600;
  color: #fff;
  font-family: "JetBrains Mono", "Fira Code", monospace;
}

/* Scroll indicator */
.scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}
.scroll-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sb-cyan);
  animation: scroll-bounce 2s ease-in-out infinite;
}
@keyframes scroll-bounce {
  0%,
  100% {
    transform: translateY(0);
    opacity: 0.6;
  }
  50% {
    transform: translateY(8px);
    opacity: 1;
  }
}

/* ═══════════════════════════════════════════════════════════════════════
   VAULT DIAGRAM
   ═══════════════════════════════════════════════════════════════════════ */
.vault-diagram {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
@media (min-width: 768px) {
  .vault-diagram {
    flex-direction: row;
    align-items: flex-start;
    gap: 3rem;
  }
}

.vault-diagram-file {
  flex: 1;
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  min-width: 0;
}

.vault-block {
  border-radius: var(--radius-sm);
  padding: 1rem;
}
.vault-block-header {
  background: rgba(34, 211, 238, 0.06);
  border: 1px solid rgba(34, 211, 238, 0.15);
}
.vault-block-payload {
  background: rgba(99, 102, 241, 0.06);
  border: 1px solid rgba(99, 102, 241, 0.15);
}

.vault-block-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sb-cyan);
  margin-bottom: 0.75rem;
}
.vault-block-payload .vault-block-label {
  color: var(--sb-indigo);
}

.vault-block-items {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.vault-item {
  display: inline-block;
  padding: 0.2em 0.6em;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sb-border);
  border-radius: 4px;
  color: var(--sb-text);
  font-size: 0.75rem;
}
.vault-item-encrypted {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--sb-indigo);
  width: 100%;
  text-align: center;
  padding: 0.5em;
}
.vault-item-mac {
  background: rgba(251, 191, 36, 0.08);
  border-color: rgba(251, 191, 36, 0.25);
  color: var(--sb-amber);
  font-family: monospace;
  font-size: 0.7rem;
}

.vault-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0.75rem 0;
}
.vault-divider-line {
  flex: 1;
  height: 1px;
  background: var(--sb-border);
}
.vault-divider-label {
  font-size: 0.65rem;
  color: var(--sb-muted);
  white-space: nowrap;
  letter-spacing: 0.05em;
}

.vault-diagram-legend {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-width: 0;
}

.legend-item {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}
.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-top: 4px;
  flex-shrink: 0;
}
.legend-dot-cyan {
  background: var(--sb-cyan);
  box-shadow: 0 0 8px rgba(34, 211, 238, 0.5);
}
.legend-dot-indigo {
  background: var(--sb-indigo);
  box-shadow: 0 0 8px rgba(129, 140, 248, 0.5);
}
.legend-dot-amber {
  background: var(--sb-amber);
  box-shadow: 0 0 8px rgba(251, 191, 36, 0.5);
}
.legend-dot-green {
  background: #4ade80;
  box-shadow: 0 0 8px rgba(74, 222, 128, 0.5);
}

/* ═══════════════════════════════════════════════════════════════════════
   FEATURE CARDS
   ═══════════════════════════════════════════════════════════════════════ */
.feature-card {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition:
    border-color 0.25s,
    transform 0.25s,
    box-shadow 0.25s;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  cursor: default;
}
.feature-card:hover {
  border-color: rgba(34, 211, 238, 0.3);
  transform: translateY(-3px);
  box-shadow:
    0 12px 40px rgba(0, 0, 0, 0.3),
    0 0 30px rgba(34, 211, 238, 0.06);
}
.feature-icon {
  font-size: 1.8rem;
  line-height: 1;
}
.feature-title {
  font-weight: 700;
  font-size: 0.95rem;
  color: #fff;
}
.feature-desc {
  font-size: 0.83rem;
  color: var(--sb-muted);
  line-height: 1.6;
}

/* ═══════════════════════════════════════════════════════════════════════
   WORKFLOW STEPS
   ═══════════════════════════════════════════════════════════════════════ */
.workflow-step {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius-lg);
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  transition:
    border-color 0.25s,
    transform 0.25s;
  position: relative;
  overflow: hidden;
}
.workflow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--sb-cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.workflow-step:hover {
  border-color: rgba(34, 211, 238, 0.25);
  transform: translateY(-2px);
}
.workflow-step:hover::before {
  opacity: 1;
}

.workflow-step-num {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--sb-cyan);
  background: rgba(34, 211, 238, 0.08);
  border: 1px solid rgba(34, 211, 238, 0.2);
  padding: 0.2em 0.6em;
  border-radius: 999px;
  display: inline-block;
  width: fit-content;
}

.workflow-icon {
  font-size: 2rem;
  line-height: 1;
}
.workflow-title {
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
}
.workflow-desc {
  font-size: 0.85rem;
  color: var(--sb-muted);
  line-height: 1.6;
}
.workflow-code-wrapper {
  margin-top: 0.25rem;
}
.workflow-code {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.72rem;
  color: var(--sb-cyan);
  overflow-x: auto;
  margin: 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   INSTALLATION
   ═══════════════════════════════════════════════════════════════════════ */
.install-tabs {
  border-bottom: 1px solid var(--sb-border);
  padding-bottom: 0;
}

.install-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.6em 1.2em 0.7em;
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--sb-muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition:
    color 0.2s,
    border-color 0.2s;
  margin-bottom: -1px;
}
.install-tab-btn:hover {
  color: var(--sb-text);
}
.install-tab-btn.active {
  color: var(--sb-cyan);
  border-bottom-color: var(--sb-cyan);
}

.install-panel {
  display: none;
  flex-direction: column;
  gap: 1.25rem;
  padding-top: 1.5rem;
}
.install-panel.active {
  display: flex;
}

.install-step {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  overflow: hidden;
}
.install-step-title {
  padding: 0.75rem 1.25rem;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--sb-muted);
  border-bottom: 1px solid var(--sb-border);
  background: rgba(255, 255, 255, 0.02);
}
.install-step-code-wrapper {
  position: relative;
}
.install-code {
  margin: 0;
  padding: 1.1rem 1.25rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.82rem;
  color: var(--sb-text);
  overflow-x: auto;
  line-height: 1.7;
  background: transparent;
}
.install-code code {
  display: block;
}

.install-note {
  font-size: 0.8rem;
  color: var(--sb-muted);
  padding: 0.75rem 1rem;
  background: rgba(251, 191, 36, 0.04);
  border: 1px solid rgba(251, 191, 36, 0.12);
  border-radius: var(--radius-sm);
}
.install-note::before {
  content: "ℹ️  ";
}

/* ═══════════════════════════════════════════════════════════════════════
   COPY BUTTON
   ═══════════════════════════════════════════════════════════════════════ */
.copy-btn {
  position: absolute;
  top: 0.6rem;
  right: 0.6rem;
  padding: 0.35em 0.5em;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--sb-border);
  border-radius: 6px;
  color: var(--sb-muted);
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.copy-btn:hover {
  background: rgba(34, 211, 238, 0.1);
  color: var(--sb-cyan);
  border-color: rgba(34, 211, 238, 0.3);
}
.copy-btn.copied {
  color: var(--sb-emerald);
  border-color: rgba(52, 211, 153, 0.4);
}
/* The success tick is drawn here rather than swapped in via innerHTML, which is
   both the house rule (no markup strings in JS) and one less DOM churn per copy. */
.copy-btn.copied svg {
  display: none;
}
.copy-btn.copied::after {
  content: "✓";
  font-size: 0.95em;
  line-height: 1;
  font-weight: 700;
}
.copy-btn-sm {
  position: static;
  padding: 0.25em 0.4em;
  flex-shrink: 0;
}
.copy-btn:focus-visible {
  outline: 2px solid var(--sb-cyan);
  outline-offset: 2px;
}

/* ═══════════════════════════════════════════════════════════════════════
   CLI TABLE
   ═══════════════════════════════════════════════════════════════════════ */
.cli-search {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: 8px;
  color: var(--sb-text);
  outline: none;
  transition:
    border-color 0.2s,
    box-shadow 0.2s;
  font-family: inherit;
}
.cli-search:focus {
  border-color: rgba(34, 211, 238, 0.4);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.06);
}
.cli-search::placeholder {
  color: var(--sb-muted);
}

.cli-table {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.cli-row {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.cli-row:hover {
  border-color: rgba(34, 211, 238, 0.2);
}
.cli-row.hidden-row {
  display: none;
}

.cli-row-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--sb-border);
  background: rgba(255, 255, 255, 0.025);
  gap: 0.5rem;
}

.cli-row-cmd {
  display: flex;
  align-items: center;
  gap: 0.5em;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.85rem;
}
.cli-prompt {
  color: var(--sb-cyan);
  font-weight: 700;
}
.cli-cmd-name {
  color: #fff;
  font-weight: 700;
}

.cli-row-desc {
  padding: 0.7rem 1rem 0.4rem;
  font-size: 0.83rem;
  color: var(--sb-muted);
}
.cli-row-flags {
  padding: 0 1rem 0.5rem;
  font-size: 0.78rem;
  display: flex;
  align-items: center;
  gap: 0.5em;
  flex-wrap: wrap;
}
.cli-flags-label {
  color: var(--sb-muted);
  opacity: 0.6;
}
.cli-flags-value {
  font-family: "JetBrains Mono", monospace;
  font-size: 0.76rem;
  color: var(--sb-indigo);
}
.cli-row-example {
  padding: 0 1rem 1rem;
}
.cli-row-example pre {
  margin: 0;
  background: rgba(0, 0, 0, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 0.6rem 0.85rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.75rem;
  color: var(--sb-emerald);
  overflow-x: auto;
}

/* ═══════════════════════════════════════════════════════════════════════
   GUI SECTION
   ═══════════════════════════════════════════════════════════════════════ */
.gui-container {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.gui-tab-bar {
  display: flex;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--sb-border);
  gap: 0;
  overflow-x: auto;
}

.gui-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4em;
  padding: 0.85rem 1.5rem;
  background: transparent;
  border: none;
  color: var(--sb-muted);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition:
    color 0.2s,
    border-color 0.2s,
    background 0.2s;
  white-space: nowrap;
  margin-bottom: -1px;
}
.gui-tab-btn:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--sb-text);
}
.gui-tab-btn.active {
  color: var(--sb-cyan);
  border-bottom-color: var(--sb-cyan);
  background: rgba(34, 211, 238, 0.04);
}

.gui-content {
  padding: 2.5rem;
  min-height: 260px;
}

.gui-panel {
  display: none;
  flex-direction: column;
  gap: 1.5rem;
}
.gui-panel.active {
  display: flex;
}

.gui-panel-desc {
  font-size: 0.95rem;
  color: var(--sb-muted);
  max-width: 480px;
  line-height: 1.7;
}

/* GUI mock form */
.gui-mock {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-width: 400px;
}
.gui-mock-row {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}
.gui-mock-label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--sb-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}
.gui-mock-input {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--sb-border);
  border-radius: 8px;
  padding: 0.55rem 0.85rem;
  color: var(--sb-muted);
  font-size: 0.82rem;
  font-family: "JetBrains Mono", monospace;
  display: flex;
  align-items: center;
  gap: 0.5em;
}
.gui-mock-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4em;
  padding: 0.6em 1.4em;
  background: linear-gradient(135deg, var(--sb-cyan), #6366f1);
  color: #fff;
  font-weight: 700;
  font-size: 0.85rem;
  border-radius: 8px;
  border: none;
  cursor: default;
  width: fit-content;
  box-shadow: 0 2px 10px rgba(34, 211, 238, 0.2);
}

.terminal-inline {
  display: flex;
  align-items: center;
  gap: 0.5em;
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: 8px;
  padding: 0.7rem 1rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.8rem;
  overflow: hidden;
}
.term-prompt {
  color: var(--sb-cyan);
  font-weight: 700;
  flex-shrink: 0;
}
.term-cmd {
  color: var(--sb-text);
  flex-shrink: 0;
}
.term-comment {
  color: var(--sb-muted);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ═══════════════════════════════════════════════════════════════════════
   SECURITY
   ═══════════════════════════════════════════════════════════════════════ */
.security-card {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition:
    border-color 0.2s,
    transform 0.2s;
}
.security-card:hover {
  border-color: rgba(34, 211, 238, 0.2);
  transform: translateY(-2px);
}
.security-card-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}
.security-card-body {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}
.security-card-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--sb-muted);
}
.security-card-value {
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  font-family: "JetBrains Mono", monospace;
}
.security-card-detail {
  font-size: 0.78rem;
  color: var(--sb-muted);
  line-height: 1.5;
}

.audit-callout {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  background: rgba(52, 211, 153, 0.04);
  border: 1px solid rgba(52, 211, 153, 0.2);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
}
.audit-icon {
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
}

.notice-callout {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(251, 191, 36, 0.04);
  border: 1px solid rgba(251, 191, 36, 0.15);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
}
.notice-icon {
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════════════════
   ARCHITECTURE
   ═══════════════════════════════════════════════════════════════════════ */
.arch-tree {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.arch-module {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.arch-module:hover {
  border-color: rgba(34, 211, 238, 0.2);
}

.arch-module-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  padding: 0.9rem 1.25rem;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--sb-border);
}

.arch-module-path {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--sb-cyan);
}
.arch-module-desc {
  font-size: 0.8rem;
  color: var(--sb-muted);
}

.arch-module-files {
  display: flex;
  flex-direction: column;
}

.arch-file {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem;
  padding: 0.55rem 1.25rem 0.55rem 2rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  transition: background 0.15s;
}
.arch-file:last-child {
  border-bottom: none;
}
.arch-file:hover {
  background: rgba(255, 255, 255, 0.025);
}
.arch-file::before {
  content: "├──";
  color: rgba(255, 255, 255, 0.15);
  font-family: monospace;
  font-size: 0.75rem;
  flex-shrink: 0;
}
.arch-file:last-child::before {
  content: "└──";
}
.arch-file-name {
  font-size: 0.82rem;
  color: var(--sb-text);
  font-weight: 500;
  flex-shrink: 0;
}
.arch-file-desc {
  font-size: 0.78rem;
  color: var(--sb-muted);
}

/* ═══════════════════════════════════════════════════════════════════════
   RECIPES
   ═══════════════════════════════════════════════════════════════════════ */
.recipe-card {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.recipe-card:hover {
  border-color: rgba(34, 211, 238, 0.2);
}
.recipe-title {
  padding: 0.85rem 1.25rem;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  border-bottom: 1px solid var(--sb-border);
  background: rgba(255, 255, 255, 0.02);
}
.recipe-code {
  margin: 0;
  padding: 1.1rem 1.25rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.75rem;
  color: var(--sb-text);
  line-height: 1.75;
  overflow-x: auto;
}
.recipe-code code {
  color: inherit;
}

/* ═══════════════════════════════════════════════════════════════════════
   Q&A
   ═══════════════════════════════════════════════════════════════════════ */

/* Category chips. Buttons, not links: they filter the list in place and do not
   navigate, so they carry aria-pressed rather than href. */
.faq-filters {
  /* room for the focus ring without clipping it */
  padding: 2px;
}
.faq-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: 999px;
  color: var(--sb-muted);
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
}
.faq-filter-btn:hover {
  color: var(--sb-text);
  border-color: var(--sb-border-hover);
}
.faq-filter-btn.active {
  background: rgba(34, 211, 238, 0.08);
  border-color: rgba(34, 211, 238, 0.35);
  color: var(--sb-cyan);
}
.faq-filter-btn:focus-visible {
  outline: 2px solid var(--sb-cyan);
  outline-offset: 2px;
}
/* Keep the label on one line: the count badge is a sibling, and a wrapped label
   would break the pill's visual alignment on narrow viewports. */
.faq-filter-label {
  white-space: nowrap;
}
.faq-filter-count {
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--sb-muted);
  font-size: 0.7rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
.faq-filter-btn.active .faq-filter-count {
  background: rgba(34, 211, 238, 0.15);
  color: var(--sb-cyan);
}

.faq-group + .faq-group {
  margin-top: 3rem;
}
.faq-group-title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.35rem;
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
}
.faq-group-icon {
  font-size: 1.05rem;
}
.faq-group-blurb {
  margin-bottom: 1.1rem;
  font-size: 0.9rem;
  color: var(--sb-muted);
}
.faq-items {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

/* <details> accordion. The native element does the disclosure work; these rules
   only restyle it, so it stays keyboard-operable and announces its state
   without any JS. */
.faq-item {
  background: var(--sb-bg-card);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s;
}
.faq-item[open] {
  border-color: rgba(34, 211, 238, 0.22);
}
.faq-item.hidden-row {
  display: none;
}
.faq-q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.95rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--sb-text);
  list-style: none;
}
.faq-q::-webkit-details-marker {
  display: none;
}
.faq-q:hover {
  color: #fff;
}
.faq-q:focus-visible {
  outline: 2px solid var(--sb-cyan);
  outline-offset: -2px;
}
/* Chevron drawn from borders so it needs no extra element or font. */
.faq-marker {
  flex-shrink: 0;
  margin-top: 0.3rem;
  width: 0.5rem;
  height: 0.5rem;
  border-right: 2px solid var(--sb-cyan);
  border-bottom: 2px solid var(--sb-cyan);
  transform: rotate(45deg);
  transition: transform 0.2s;
}
.faq-item[open] .faq-marker {
  transform: rotate(-135deg);
}
/* Lets a long question wrap rather than forcing the summary's flex row wider
   than the viewport — which is what would push the chevron off screen on a
   phone. */
.faq-q-text {
  min-width: 0;
}

.faq-a {
  padding: 0 1.25rem 1.15rem;
  border-top: 1px solid var(--sb-border);
  padding-top: 0.9rem;
}
.faq-a-p {
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--sb-muted);
  line-height: 1.7;
}
.faq-code-wrapper {
  position: relative;
  margin: 0.9rem 0;
  padding: 1rem 1.1rem;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--sb-border);
  border-radius: var(--radius-sm);
}
.faq-code {
  margin: 0;
  /* The right padding reserves a gutter for the copy button so no line can ever
     run underneath it, however long the first line of a snippet is. */
  padding-right: 2.75rem;
  font-family: "JetBrains Mono", "Fira Code", monospace;
  font-size: 0.78rem;
  color: var(--sb-text);
  line-height: 1.75;
  overflow-x: auto;
}
.faq-code code {
  color: inherit;
}
.faq-copy-btn {
  top: 0.5rem;
  right: 0.5rem;
}

.faq-note {
  display: flex;
  gap: 0.5rem;
  padding: 0.7rem 0.9rem;
  font-size: 0.82rem;
  line-height: 1.6;
  border-radius: var(--radius-sm);
  border: 1px solid var(--sb-border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--sb-muted);
}
.faq-note-icon {
  flex-shrink: 0;
}
.faq-note[data-tone="warn"] {
  background: rgba(251, 191, 36, 0.05);
  border-color: rgba(251, 191, 36, 0.16);
  color: #e2c88a;
}

.faq-empty {
  padding: 1.5rem;
  text-align: center;
  font-size: 0.9rem;
  color: var(--sb-muted);
  border: 1px dashed var(--sb-border);
  border-radius: var(--radius);
}

/* ═══════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════ */
.footer {
  background: var(--sb-bg-2);
  border-top: 1px solid var(--sb-border);
}

.footer-heading {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--sb-muted);
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.footer-links a {
  color: var(--sb-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}
.footer-links a:hover {
  color: var(--sb-cyan);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--sb-border);
}

/* ═══════════════════════════════════════════════════════════════════════
   ANIMATIONS — fade-in on scroll
   ═══════════════════════════════════════════════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: none;
}
.reveal-delay-1 {
  transition-delay: 0.1s;
}
.reveal-delay-2 {
  transition-delay: 0.2s;
}
.reveal-delay-3 {
  transition-delay: 0.3s;
}
.reveal-delay-4 {
  transition-delay: 0.4s;
}

/* ═══════════════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════════════ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: var(--sb-bg);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.18);
}

/* ═══════════════════════════════════════════════════════════════════════
   FOCUS VISIBLE
   ═══════════════════════════════════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--sb-cyan);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ═══════════════════════════════════════════════════════════════════════
   SELECTION
   ═══════════════════════════════════════════════════════════════════════ */
::selection {
  background: rgba(34, 211, 238, 0.2);
  color: #fff;
}