/* ==========================================================================
   opensecuritybot docs — theme
   Dark terminal aesthetic: near-black surfaces, hairline borders, mono
   headings, terminal-green primary with amber secondary. No external assets,
   no frameworks. Sections: tokens, base, chrome, landing, docs, code,
   responsive, reduced motion.
   ========================================================================== */

/* 1. Tokens ---------------------------------------------------------------- */

:root {
  --bg: #070906;
  --bg-soft: #0a0d09;
  --panel: #0d110c;
  --border: #1c2419;
  --border-strong: #2b3526;
  --text: #d6ddd0;
  --text-bright: #f2f6ee;
  --muted: #8d9a86;
  --dim: #76836f;
  --primary: #9fef00;
  --primary-bright: #b8ff3d;
  --primary-dim: rgba(159, 239, 0, 0.1);
  --primary-line: rgba(159, 239, 0, 0.35);
  --primary-glow: rgba(159, 239, 0, 0.25);
  --amber: #ffb000;
  --amber-dim: rgba(255, 176, 0, 0.1);
  --amber-line: rgba(255, 176, 0, 0.35);
  --danger: #ff6a5e;
  --code-text: #cfef9a;
  --code-bg: #0a0d08;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  --header-h: 58px;
  --wrap: 1120px;
  --radius: 8px;
  --radius-sm: 6px;
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

/* 2. Base ------------------------------------------------------------------ */

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

html {
  color-scheme: dark;
  -webkit-text-size-adjust: 100%;
  scroll-padding-top: calc(var(--header-h) + 16px);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

main {
  flex: 1 0 auto;
}

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

::selection {
  background: var(--primary);
  color: #0a0f04;
}

::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg);
}

::-webkit-scrollbar-thumb {
  background: #222b1d;
  border: 2px solid var(--bg);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #2f3b27;
}

:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 12px;
  z-index: 100;
  transform: translateY(-64px);
  padding: 10px 14px;
  background: var(--primary);
  color: #0a0f04;
  font-family: var(--font-mono);
  font-size: 13px;
  border-radius: var(--radius-sm);
  transition: transform 0.15s var(--ease);
}

.skip-link:focus {
  transform: translateY(0);
}

/* 3. Header and footer ----------------------------------------------------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(7, 9, 6, 0.82);
  -webkit-backdrop-filter: blur(12px) saturate(140%);
  backdrop-filter: blur(12px) saturate(140%);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  max-width: 1440px;
  margin: 0 auto;
  height: var(--header-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--text-bright);
}

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

.brand-mark {
  display: block;
  flex: none;
  color: var(--primary);
}

.brand-text {
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.version-badge {
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.04em;
  color: var(--dim);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.site-nav {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 2px;
}

.nav-link {
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--text-bright);
  background: var(--panel);
  border-color: var(--border);
}

.nav-toggle {
  display: none;
  margin-left: auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
  background: none;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
}

.nav-toggle:hover {
  color: var(--text-bright);
  border-color: var(--border-strong);
}

.nav-toggle[aria-expanded="true"] {
  color: var(--primary);
}

.nav-toggle-icon {
  position: relative;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: background 0.15s var(--ease);
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 16px;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform 0.18s var(--ease);
}

.nav-toggle-icon::before {
  top: -5px;
}

.nav-toggle-icon::after {
  top: 5px;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  transform: translateY(-5px) rotate(-45deg);
}

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
}

.footer-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 26px 20px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 20px;
}

.footer-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--dim);
}

.footer-links {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
}

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

.footer-links a:hover {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.footer-sep {
  color: var(--border-strong);
}

/* 4. Layout helpers, sections, buttons ------------------------------------- */

.wrap {
  max-width: var(--wrap);
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding: 76px 0;
  border-bottom: 1px solid var(--border);
}

.section.closing {
  border-bottom: 0;
  background: radial-gradient(46% 70% at 50% 100%, rgba(159, 239, 0, 0.07), transparent 70%);
}

.kicker {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--primary);
}

.section-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 2.4vw, 1.75rem);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text-bright);
}

.section-lede {
  margin: 0 0 30px;
  max-width: 62ch;
  font-size: 15.5px;
  color: var(--muted);
}

.section-note {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--muted);
}

.section-note a {
  color: var(--primary);
}

.section-note a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.12s var(--ease), box-shadow 0.2s var(--ease),
    border-color 0.2s var(--ease), background-color 0.2s var(--ease), color 0.2s var(--ease);
}

.btn:hover {
  text-decoration: none;
}

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

.btn-primary {
  color: #0a0f04;
  background: linear-gradient(180deg, var(--primary-bright), var(--primary));
  box-shadow: 0 0 0 1px var(--primary-line), 0 10px 30px -10px var(--primary-glow);
}

.btn-primary:hover {
  filter: brightness(1.03);
  box-shadow: 0 0 0 1px rgba(159, 239, 0, 0.55), 0 12px 36px -8px rgba(159, 239, 0, 0.45);
}

.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.015);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  color: var(--text-bright);
  background: var(--panel);
  border-color: var(--dim);
}

/* 5. Hero and terminal ----------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
  background: radial-gradient(70% 60% at 15% 0%, rgba(159, 239, 0, 0.07), transparent 70%), var(--bg);
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero::before {
  background-image: linear-gradient(rgba(159, 239, 0, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(159, 239, 0, 0.05) 1px, transparent 1px);
  background-size: 44px 44px;
  -webkit-mask-image: radial-gradient(80% 70% at 50% 0%, #000 20%, transparent 75%);
  mask-image: radial-gradient(80% 70% at 50% 0%, #000 20%, transparent 75%);
}

.hero::after {
  background-image: repeating-linear-gradient(0deg, rgba(255, 255, 255, 0.022) 0 1px, transparent 1px 3px);
  opacity: 0.6;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 80px 20px 88px;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 56px;
  align-items: center;
}

.hero-copy {
  min-width: 0;
}

.micro-label {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.hero-title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--text-bright);
}

.hero-title .hl {
  color: var(--primary);
}

.lede {
  margin: 0;
  max-width: 54ch;
  font-size: 16.5px;
  color: var(--muted);
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.install-line {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 24px 0 0;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.install-prompt {
  color: var(--primary);
}

.hero-term {
  position: relative;
  min-width: 0;
}

.hero-term::before {
  content: "";
  position: absolute;
  inset: -18% -8%;
  z-index: 0;
  background: radial-gradient(55% 55% at 55% 45%, rgba(159, 239, 0, 0.1), transparent 70%);
  filter: blur(18px);
  pointer-events: none;
}

.terminal {
  position: relative;
  z-index: 1;
  overflow: hidden;
  background: linear-gradient(180deg, #0b0f0a, #090c08);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  box-shadow: 0 30px 60px -34px rgba(0, 0, 0, 0.9), 0 0 0 1px rgba(0, 0, 0, 0.35);
}

.terminal-bar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 13px;
  background: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #1b2317;
  border: 1px solid #2a3524;
}

.terminal-title {
  margin-left: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.05em;
  color: var(--dim);
}

.terminal-body {
  margin: 0;
  padding: 18px 20px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text);
  white-space: pre;
  overflow-x: auto;
}

.t-prompt,
.t-ok {
  color: var(--primary);
}

.t-cmd {
  color: var(--text-bright);
}

.t-out {
  color: var(--muted);
}

.t-cursor {
  color: var(--primary);
  animation: blink 1.1s steps(1, end) infinite;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* 6. Pipeline strip -------------------------------------------------------- */

.pipeline {
  border-bottom: 1px solid var(--border);
  background: var(--bg-soft);
}

.pipeline-inner {
  max-width: var(--wrap);
  margin: 0 auto;
  padding: 18px 20px;
}

.pipeline-steps {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pipe-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--muted);
  white-space: nowrap;
}

.pipe-item + .pipe-item::before {
  content: "→";
  color: var(--dim);
}

.pipe-step {
  padding: 7px 13px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 999px;
}

.pipe-step code {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  padding: 0;
}

.pipe-guard .pipe-step {
  color: var(--amber);
  background: var(--amber-dim);
  border-color: var(--amber-line);
}

/* 7. Feature grid and skills preview --------------------------------------- */

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.card {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.card:hover {
  border-color: rgba(159, 239, 0, 0.28);
  transform: translateY(-2px);
}

.card-index {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--primary);
}

.card-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text-bright);
}

.card-text {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.skill-list {
  margin-top: 30px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.skill-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
}

.skill-row + .skill-row {
  border-top: 1px solid var(--border);
}

.skill-info {
  min-width: 0;
}

.skill-name {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 5px;
  font-family: var(--font-mono);
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-bright);
}

.skill-desc {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.risk {
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  border: 1px solid;
  border-radius: 999px;
}

.risk-passive {
  color: var(--primary);
  background: var(--primary-dim);
  border-color: var(--primary-line);
}

.risk-active {
  color: var(--amber);
  background: var(--amber-dim);
  border-color: var(--amber-line);
}

.chips {
  display: flex;
  gap: 6px;
  flex: none;
  margin: 0;
  padding: 0;
  list-style: none;
}

.chip {
  padding: 4px 9px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--text);
  background: var(--bg-soft);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
}

.closing-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.closing-inner .section-lede {
  margin-left: auto;
  margin-right: auto;
}

.closing-inner .install-line {
  margin-top: 22px;
}

/* 8. Docs shell: sidebar, article, TOC ------------------------------------- */

.docs-shell {
  max-width: 1400px;
  margin: 0 auto;
  padding: 36px 20px 88px;
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr) 200px;
  gap: 44px;
  align-items: start;
}

.docs-shell.no-toc {
  grid-template-columns: 230px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: calc(var(--header-h) + 22px);
}

.sidebar-summary {
  display: none;
}

.sidebar-nav {
  font-size: 13.5px;
}

.nav-group + .nav-group {
  margin-top: 24px;
}

.nav-group-title {
  margin: 0 0 8px;
  padding-left: 11px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--dim);
}

.nav-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.side-link {
  display: block;
  padding: 6px 10px;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--muted);
  border-left: 1px solid var(--border);
}

.side-link:hover {
  color: var(--text-bright);
}

.side-link.is-active {
  color: var(--primary);
  border-left-color: var(--primary);
  background: linear-gradient(90deg, var(--primary-dim), transparent 85%);
}

.breadcrumb {
  margin-bottom: 14px;
}

.breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  color: var(--dim);
}

.breadcrumb-list li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.breadcrumb-list li + li::before {
  content: "/";
  color: var(--border-strong);
}

.breadcrumb-list a {
  color: var(--muted);
}

.breadcrumb-list a:hover {
  color: var(--primary);
}

.doc-title {
  margin: 0 0 26px;
  font-family: var(--font-mono);
  font-size: clamp(1.65rem, 3vw, 2.2rem);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--text-bright);
}

.toc-rail {
  position: sticky;
  top: calc(var(--header-h) + 22px);
  max-height: calc(100vh - var(--header-h) - 44px);
  overflow-y: auto;
}

.toc-title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--dim);
}

.toc-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-left: 1px solid var(--border);
}

.toc-item a {
  display: block;
  margin-left: -1px;
  padding: 5px 0 5px 12px;
  font-size: 12.5px;
  line-height: 1.45;
  color: var(--muted);
  border-left: 1px solid transparent;
}

.toc-item a:hover {
  color: var(--text-bright);
}

.toc-item a.is-active {
  color: var(--primary);
  border-left-color: var(--primary);
}

.toc-level-3 a {
  padding-left: 24px;
}

.toc-level-4 a {
  padding-left: 36px;
}

/* 9. Article typography ---------------------------------------------------- */

.prose {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--text);
}

.prose > :first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.prose p {
  margin: 0 0 1.15em;
}

.prose ul,
.prose ol {
  margin: 0 0 1.15em;
  padding-left: 1.45em;
}

.prose li {
  margin: 0.35em 0;
}

.prose li::marker {
  color: var(--primary);
}

.prose a {
  color: var(--primary);
  text-decoration: underline;
  text-decoration-color: var(--primary-line);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

.prose strong {
  color: var(--text-bright);
  font-weight: 600;
}

.prose h2,
.prose h3,
.prose h4 {
  margin: 2.1em 0 0.75em;
  font-family: var(--font-mono);
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-bright);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.prose h2 {
  padding-top: 1em;
  font-size: 1.3rem;
  border-top: 1px solid var(--border);
}

.prose h3 {
  font-size: 1.08rem;
}

.prose h4 {
  font-size: 0.95rem;
  color: var(--text);
}

.prose hr {
  margin: 2.4em 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.prose blockquote {
  margin: 1.4em 0;
  padding: 13px 18px;
  color: var(--text);
  background: linear-gradient(90deg, var(--amber-dim), transparent 75%);
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose details {
  margin: 1.2em 0;
  padding: 10px 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.prose summary {
  font-family: var(--font-mono);
  font-size: 13.5px;
  color: var(--text-bright);
  cursor: pointer;
}

.prose img {
  max-width: 100%;
}

.prose table {
  display: block;
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 14px;
}

.prose th,
.prose td {
  padding: 9px 12px;
  border: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose thead th {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--text-bright);
  background: var(--bg-soft);
}

.prose tbody tr:nth-child(even) {
  background: rgba(255, 255, 255, 0.012);
}

.prose :not(pre) > code {
  padding: 0.08em 0.35em;
  font-family: var(--font-mono);
  font-size: 0.85em;
  color: var(--code-text);
  background: rgba(159, 239, 0, 0.07);
  border: 1px solid rgba(159, 239, 0, 0.16);
  border-radius: 4px;
  white-space: nowrap;
}

.lede code,
.card-text code,
.skill-desc code,
.section-lede code {
  font-family: var(--font-mono);
  font-size: 0.88em;
  color: var(--code-text);
}

/* 10. Code blocks ---------------------------------------------------------- */

.prose pre {
  margin: 1.4em 0;
  padding: 15px 16px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--text);
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.prose pre code {
  padding: 0;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: none;
  border: 0;
  white-space: inherit;
}

.code {
  margin: 1.5em 0;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.code-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 10px 7px 14px;
  background: rgba(255, 255, 255, 0.015);
  border-bottom: 1px solid var(--border);
}

.code-lang {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--dim);
}

.copy-btn {
  padding: 4px 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border-strong);
  border-radius: 5px;
  cursor: pointer;
  transition: color 0.15s var(--ease), border-color 0.15s var(--ease);
}

.copy-btn:hover {
  color: var(--text-bright);
  border-color: var(--dim);
}

.copy-btn.is-copied {
  color: var(--primary);
  border-color: var(--primary-line);
}

.copy-btn.is-error {
  color: var(--danger);
  border-color: rgba(255, 106, 94, 0.4);
}

.code pre {
  margin: 0;
  padding: 15px 16px;
  background: none;
  border: 0;
  border-radius: 0;
}

/* 11. Pager, 404 ----------------------------------------------------------- */

.pager {
  display: flex;
  gap: 14px;
  margin-top: 52px;
  padding-top: 26px;
  border-top: 1px solid var(--border);
}

.pager-link {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
  max-width: 46%;
  padding: 12px 16px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.15s var(--ease);
}

.pager-link:hover {
  border-color: var(--primary-line);
}

.pager-next {
  margin-left: auto;
  text-align: right;
  align-items: flex-end;
}

.pager-label {
  font-family: var(--font-mono);
  font-size: 10.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--dim);
}

.pager-title {
  font-size: 13.5px;
  color: var(--text-bright);
}

.pager-link:hover .pager-title {
  color: var(--primary);
}

.error-page {
  padding: 72px 20px;
  text-align: center;
}

.error-code {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: clamp(3rem, 9vw, 5rem);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--primary);
  text-shadow: 0 0 46px var(--primary-glow);
}

.error-page .section-lede {
  margin-left: auto;
  margin-right: auto;
}

/* 12. Responsive ----------------------------------------------------------- */

@media (max-width: 1180px) {
  .toc-rail {
    display: none;
  }

  .docs-shell,
  .docs-shell.no-toc {
    grid-template-columns: 220px minmax(0, 1fr);
  }
}

@media (max-width: 1000px) {
  .hero-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: 40px;
    padding: 64px 20px 72px;
  }
}

@media (max-width: 980px) {
  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 960px) {
  .docs-shell,
  .docs-shell.no-toc {
    grid-template-columns: minmax(0, 1fr);
    gap: 30px;
    padding-top: 24px;
  }

  .sidebar {
    position: static;
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: var(--radius);
  }

  .sidebar-summary {
    display: block;
    padding: 12px 16px;
    font-family: var(--font-mono);
    font-size: 12.5px;
    color: var(--text-bright);
    cursor: pointer;
    list-style: none;
  }

  .sidebar-summary::-webkit-details-marker {
    display: none;
  }

  .sidebar-summary::after {
    content: "+";
    float: right;
    color: var(--dim);
  }

  .sidebar[open] .sidebar-summary::after {
    content: "–";
  }

  .sidebar-nav {
    padding: 2px 12px 14px;
  }

  .nav-group + .nav-group {
    margin-top: 16px;
  }

  .side-link {
    padding: 8px 10px;
    border-left: 0;
    border-radius: var(--radius-sm);
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    top: var(--header-h);
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 10px 16px 16px;
    background: var(--bg-soft);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 24px 40px -24px rgba(0, 0, 0, 0.8);
  }

  .site-nav.is-open {
    display: flex;
  }

  .nav-link {
    padding: 12px 10px;
  }
}

@media (max-width: 720px) {
  .section {
    padding: 56px 0;
  }

  .hero-inner {
    padding: 48px 20px 56px;
  }

  .lede {
    font-size: 15.5px;
  }

  .pipeline-inner {
    overflow-x: auto;
  }

  .pipeline-steps {
    flex-wrap: nowrap;
  }

  .skill-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .terminal-body {
    padding: 14px 16px 16px;
    font-size: 12px;
  }
}

@media (max-width: 640px) {
  .wrap,
  .hero-inner,
  .docs-shell {
    padding-left: 16px;
    padding-right: 16px;
  }

  .header-inner {
    padding: 0 16px;
  }

  .feature-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .pager {
    flex-direction: column;
  }

  .pager-link {
    max-width: none;
  }

  .pager-next {
    margin-left: 0;
    text-align: left;
    align-items: flex-start;
  }
}

/* 13. Reduced motion ------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .t-cursor {
    animation: none;
  }

  .card:hover,
  .btn:active {
    transform: none;
  }
}