/* ==========================================================================
   PIXIE DOCS — Design System
   Warm, precise, technical.
   ========================================================================== */

/* --- Custom Properties --- */
:root {
  /* Brand */
  --orange: #e57125;
  --orange-hover: #cf6520;
  --orange-glow: rgba(229, 113, 37, 0.12);
  --orange-pale: #fff7ed;
  --navy: #0b3957;
  --charcoal: #363636;

  /* Surfaces — Stone (warm, approachable) */
  --surface-page: #f5f1ec;
  --surface-content: #fffdf9;
  --surface-header: #363636;
  --surface-sidebar: #f7f3ee;
  --surface-code: #1c1917;
  --surface-footer: #f7f3ee;
  --surface-hover: rgba(0, 0, 0, 0.03);
  --surface-active: rgba(229, 113, 37, 0.08);

  /* Text */
  --ink-primary: #1f2937;
  --ink-secondary: #4b5563;
  --ink-muted: #9ca3af;
  --ink-sidebar: #78716c;
  --ink-sidebar-section: #292524;
  --ink-sidebar-active: #1c1917;
  --ink-header: #ffffff;
  --ink-link: #e57125;

  /* Borders */
  --line: #e7e0d8;
  --line-light: #f0ebe5;
  --line-sidebar: #e7e0d8;

  /* Layout */
  --sidebar-w: 264px;
  --toc-w: 216px;
  --header-h: 56px;
  --content-max: 740px;

  /* Typography */
  --font-display: 'Urbanist', system-ui, sans-serif;
  --font-body: 'Lato', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Consolas, monospace;

  /* Misc */
  --radius: 6px;
  --radius-lg: 10px;
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}


/* --- Reset & Base --- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h) + 24px);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink-primary);
  background: var(--surface-page);
  padding-top: var(--header-h);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}


/* --- Site Header --- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-h);
  background: var(--surface-header);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
  border-bottom: 2px solid var(--orange);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  margin-right: 40px;
  flex-shrink: 0;
}

.header-brand .brand-name {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 800;
  color: var(--orange);
  letter-spacing: 0.3px;
}

.header-brand .brand-tagline {
  font-size: 13px;
  color: #999;
  font-weight: 400;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}

.header-nav a {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 500;
  color: #a1a1aa;
  text-decoration: none;
  padding: 6px 14px;
  border-radius: var(--radius);
  transition: color 150ms var(--ease), background 150ms var(--ease);
}

.header-nav a:hover,
.header-nav a.active {
  color: var(--ink-header);
  background: rgba(255, 255, 255, 0.08);
}

.header-nav a[data-external]::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 4px;
  background: currentColor;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.75 2h3.5a.75.75 0 010 1.5H4.5v8h8V8.75a.75.75 0 011.5 0v3.5A1.75 1.75 0 0112.25 14h-8.5A1.75 1.75 0 012 12.25v-8.5C2 2.784 2.784 2 3.75 2zm6.72-.28a.75.75 0 011.06 0l2.5 2.5a.75.75 0 010 1.06l-2.5 2.5a.75.75 0 11-1.06-1.06L11.69 5.5H8.25a.75.75 0 010-1.5h3.44l-1.22-1.22a.75.75 0 010-1.06z'/%3E%3C/svg%3E") no-repeat center / contain;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M3.75 2h3.5a.75.75 0 010 1.5H4.5v8h8V8.75a.75.75 0 011.5 0v3.5A1.75 1.75 0 0112.25 14h-8.5A1.75 1.75 0 012 12.25v-8.5C2 2.784 2.784 2 3.75 2zm6.72-.28a.75.75 0 011.06 0l2.5 2.5a.75.75 0 010 1.06l-2.5 2.5a.75.75 0 11-1.06-1.06L11.69 5.5H8.25a.75.75 0 010-1.5h3.44l-1.22-1.22a.75.75 0 010-1.06z'/%3E%3C/svg%3E") no-repeat center / contain;
  vertical-align: middle;
  opacity: 0.6;
}

.header-spacer {
  flex: 1;
}

.hamburger {
  display: none;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius);
  transition: background 150ms;
}

.hamburger:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hamburger svg {
  width: 20px;
  height: 20px;
  stroke: #a1a1aa;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}


/* --- Layout Shell --- */
.site-layout {
  display: flex;
  min-height: calc(100vh - var(--header-h));
}

body:not(.home) .site-layout {
  margin-left: var(--sidebar-w);
}


/* --- Sidebar --- */
.sidebar {
  position: fixed;
  top: var(--header-h);
  left: 0;
  bottom: 0;
  width: var(--sidebar-w);
  background: var(--surface-sidebar);
  overflow-y: auto;
  padding: 20px 0;
  z-index: 50;
  border-right: 1px solid var(--line-sidebar);
  scrollbar-width: thin;
  scrollbar-color: rgba(0, 0, 0, 0.1) transparent;
}

.sidebar::-webkit-scrollbar {
  width: 4px;
}

.sidebar::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.1);
  border-radius: 2px;
}

.nav-section {
  margin-bottom: 8px;
}

.nav-section-title {
  display: flex;
  align-items: center;
  padding: 8px 24px;
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-sidebar-section);
  text-decoration: none;
  transition: color 150ms;
}

.nav-section-title {
  font-weight: 800;
}

.nav-section-title:hover {
  color: var(--ink-sidebar-active);
}

.nav-pages {
  list-style: none;
}

.nav-pages a {
  display: flex;
  align-items: center;
  padding: 7px 24px 7px 28px;
  font-size: 14px;
  font-weight: 400;
  color: var(--ink-sidebar);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 150ms var(--ease), background 150ms var(--ease), border-color 150ms var(--ease);
}

.nav-pages a:hover {
  color: var(--ink-sidebar-active);
  background: rgba(0, 0, 0, 0.04);
}

.nav-pages a.active {
  color: var(--orange);
  background: rgba(229, 113, 37, 0.06);
  border-left-color: var(--orange);
  font-weight: 600;
}

/* Active dot — mirrors the status badge dots from the auth templates */
.nav-pages a.active::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
  margin-right: 10px;
  flex-shrink: 0;
}


/* --- Main Content --- */
.main-content {
  flex: 1;
  min-width: 0;
  padding: 36px 48px 64px;
  max-width: calc(var(--content-max) + 96px);
  background: var(--surface-content);
  border-right: 1px solid var(--line-light);
}


/* --- Article Typography --- */
.article {
  color: var(--ink-primary);
  line-height: 1.75;
}

.article h1 {
  font-family: var(--font-display);
  font-size: 2.125rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.2;
  margin-bottom: 0.5em;
  color: #292524;
}

.article .subtitle {
  font-size: 1.0625rem;
  color: var(--ink-secondary);
  line-height: 1.65;
  margin-bottom: 2em;
}

.article h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.3;
  margin-top: 2.5em;
  margin-bottom: 0.75em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--line);
  color: #292524;
}

.article h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: 1.4;
  margin-top: 2em;
  margin-bottom: 0.5em;
  color: var(--ink-primary);
}

.article h4 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  margin-top: 1.75em;
  margin-bottom: 0.4em;
  color: var(--ink-primary);
}

.article p {
  margin-bottom: 1.25em;
}

.article a {
  color: var(--orange);
  text-decoration: underline;
  text-decoration-color: rgba(229, 113, 37, 0.3);
  text-underline-offset: 2px;
  transition: text-decoration-color 150ms var(--ease);
}

.article a:hover {
  text-decoration-color: var(--orange);
}

.article strong {
  font-weight: 700;
  color: var(--ink-primary);
}

.article ul,
.article ol {
  margin-bottom: 1.25em;
  padding-left: 1.5em;
}

.article li {
  margin-bottom: 0.4em;
}

.article li::marker {
  color: var(--orange);
}

.article hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 2.5em 0;
}

.article img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  margin: 1.5em 0;
}


/* --- Inline Code --- */
.article code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: #f0f2f5;
  padding: 0.15em 0.45em;
  border-radius: 4px;
  color: #b5200e;
  word-break: break-word;
}


/* --- Code Blocks --- */
.article pre {
  background: #1c1917;
  border-radius: var(--radius);
  padding: 20px 24px;
  overflow-x: auto;
  margin: 1.5em 0;
  border: 1px solid #292524;
  position: relative;
}

.article pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  color: #c8d3f5;
  font-size: 0.875rem;
  line-height: 1.7;
  word-break: normal;
}

/* Copy button — appears on hover */
.copy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.06);
  color: #8b95a8;
  font-family: var(--font-body);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 200ms, background 200ms, color 200ms;
}

.article pre:hover .copy-btn {
  opacity: 1;
}

.copy-btn:hover {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.copy-btn.copied {
  color: #22c55e;
}

/* Command-line prompt styling */
.article pre .prompt {
  color: #636da6;
  user-select: none;
}

.article pre .command {
  color: #dcdcaa;
}

.article pre .output {
  color: #6a9955;
}


/* --- Syntax Highlighting (Chroma) --- */
.chroma { color: #c8d3f5; background: var(--surface-code); }

/* Keywords */
.chroma .k,
.chroma .kd,
.chroma .kn,
.chroma .kp,
.chroma .kr { color: #c099ff; font-weight: 500; }
.chroma .kt { color: #ffc777; }

/* Names */
.chroma .n { color: #c8d3f5; }
.chroma .na { color: #73daca; }
.chroma .nb { color: #ffc777; }
.chroma .nc { color: #ff966c; font-weight: 600; }
.chroma .nf { color: #82aaff; }
.chroma .nn { color: #c8d3f5; }
.chroma .nt { color: #ff757f; }
.chroma .nv { color: #c8d3f5; }

/* Strings */
.chroma .s,
.chroma .sa,
.chroma .sb,
.chroma .sc,
.chroma .sd,
.chroma .se,
.chroma .s2,
.chroma .s1,
.chroma .sh,
.chroma .si,
.chroma .sx,
.chroma .sr,
.chroma .ss { color: #c3e88d; }

/* Comments */
.chroma .c,
.chroma .cm,
.chroma .c1,
.chroma .cs,
.chroma .cp,
.chroma .cpf { color: #636da6; font-style: italic; }

/* Numbers */
.chroma .m,
.chroma .mf,
.chroma .mh,
.chroma .mi,
.chroma .mo { color: #ff98a4; }

/* Operators & Punctuation */
.chroma .o,
.chroma .ow { color: #89ddff; }
.chroma .p { color: #89ddff; }

/* Other */
.chroma .ge { font-style: italic; }
.chroma .gs { font-weight: bold; }
.chroma .gd { color: #ff757f; background: rgba(255, 117, 127, 0.1); }
.chroma .gi { color: #c3e88d; background: rgba(195, 232, 141, 0.1); }
.chroma .gl { text-decoration: underline; }
.chroma .ln { color: #545c7e; user-select: none; padding-right: 1em; }
.chroma .lnt { color: #545c7e; user-select: none; padding-right: 1em; }


/* --- Blockquotes & Callouts --- */
.article blockquote {
  border-left: 3px solid var(--orange);
  background: #fef7ee;
  padding: 16px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5em 0;
  color: var(--ink-secondary);
  font-size: 0.9375rem;
}

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

.article blockquote strong {
  color: var(--charcoal);
}

/* Callout shortcode variants */
.callout {
  border-left: 3px solid var(--orange);
  background: #fef7ee;
  padding: 18px 20px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.5em 0;
}

.callout-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.callout-body {
  font-size: 0.9375rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}

.callout-body p:last-child {
  margin-bottom: 0;
}

.callout.note {
  border-color: #3b82f6;
  background: #eff6ff;
}
.callout.note .callout-title { color: #1d4ed8; }

.callout.tip {
  border-color: #22c55e;
  background: #f0fdf4;
}
.callout.tip .callout-title { color: #15803d; }

.callout.warning {
  border-color: #f59e0b;
  background: #fffbeb;
}
.callout.warning .callout-title { color: #b45309; }

.callout.important {
  border-color: #ef4444;
  background: #fef2f2;
}
.callout.important .callout-title { color: #dc2626; }


/* --- Tables --- */
.article table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5em 0;
  font-size: 0.9375rem;
}

.article thead {
  border-bottom: 2px solid var(--line);
}

.article th {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  padding: 10px 16px;
  text-align: left;
  color: var(--ink-muted);
  background: #f5f1ec;
}

.article td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-light);
  vertical-align: top;
}

.article tbody tr:hover {
  background: #faf6f1;
}


/* --- Key Summary --- */
.key-summary {
  background: #fafafa;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 0 20px;
  margin: 1.5em 0;
}

.key-summary .row {
  display: flex;
  padding: 14px 0;
}

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

.key-summary .field {
  flex: 1;
}

.key-summary .label {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.key-summary .value {
  font-size: 14px;
  color: var(--ink-primary);
}


/* --- Page Table of Contents --- */
.page-toc {
  width: var(--toc-w);
  flex-shrink: 0;
  position: sticky;
  top: calc(var(--header-h) + 32px);
  max-height: calc(100vh - var(--header-h) - 64px);
  overflow-y: auto;
  padding: 0 20px;
  align-self: flex-start;
  scrollbar-width: none;
}

.page-toc::-webkit-scrollbar {
  display: none;
}

.page-toc .toc-heading {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-muted);
  margin-bottom: 12px;
}

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

.page-toc nav li {
  margin: 0;
}

.page-toc nav a {
  display: block;
  padding: 4px 0 4px 16px;
  font-size: 13px;
  color: var(--ink-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 150ms var(--ease), border-color 150ms var(--ease);
}

.page-toc nav a:hover {
  color: var(--ink-primary);
}

.page-toc nav a.active {
  color: var(--orange);
  border-left-color: var(--orange);
}

/* Nested TOC levels */
.page-toc nav ul ul {
  border-left: none;
}

.page-toc nav ul ul a {
  padding-left: 32px;
  font-size: 12px;
}


/* --- Breadcrumbs --- */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: 13px;
  color: #a8a29e;
}

.breadcrumbs a {
  color: #a8a29e;
  text-decoration: none;
  transition: color 150ms;
}

.breadcrumbs a:hover {
  color: var(--orange);
}

.breadcrumbs .sep {
  color: #d6d3d1;
  font-size: 10px;
}


/* --- Prev / Next Navigation --- */
.page-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 3em;
  padding-top: 2em;
  border-top: 1px solid var(--line);
}

.page-nav a {
  display: block;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease);
}

.page-nav a:hover {
  border-color: var(--orange);
  box-shadow: 0 2px 8px var(--orange-glow);
}

.page-nav .nav-label {
  font-family: var(--font-display);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-muted);
  margin-bottom: 4px;
}

.page-nav .nav-title {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-primary);
}

.page-nav .next {
  text-align: right;
}


/* --- Status Badges --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 20px;
  padding: 5px 14px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
}

.badge.stable {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #15803d;
}
.badge.stable::before { background: #22c55e; }

.badge.beta {
  background: #eff6ff;
  border: 1px solid #bfdbfe;
  color: #1d4ed8;
}
.badge.beta::before { background: #3b82f6; }

.badge.deprecated {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
}
.badge.deprecated::before { background: #ef4444; }


/* --- Numbered Steps --- */
.steps {
  counter-reset: step;
}

.step {
  display: flex;
  gap: 16px;
  margin-bottom: 28px;
  counter-increment: step;
}

.step::before {
  content: counter(step);
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--orange);
  color: #ffffff;
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}

.step-content h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 4px;
}

.step-content p {
  font-size: 14px;
  color: var(--ink-secondary);
  line-height: 1.6;
  margin-bottom: 10px;
}


/* --- Site Footer --- */
.site-footer {
  background: var(--surface-footer);
  border-top: 1px solid var(--line);
  padding: 24px 48px;
}

body:not(.home) .site-footer {
  margin-left: var(--sidebar-w);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--content-max);
}

.site-footer p {
  font-size: 13px;
  color: var(--ink-muted);
  line-height: 1.5;
}

.site-footer a {
  color: var(--orange);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.footer-brand {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--orange);
}


/* --- Home Page — override main-content constraints --- */
body.home .main-content {
  max-width: none;
  padding: 0;
  border-right: none;
  background: transparent;
}


/* --- Hero --- */
.hero {
  background: #2d2d2d;
  padding: 100px 48px 112px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

/* Decorative shapes — like Spring's geometric elements */
.hero-shape {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.hero-shape-1 {
  width: 400px;
  height: 400px;
  background: var(--orange);
  opacity: 0.07;
  top: -180px;
  right: -100px;
}

.hero-shape-2 {
  width: 240px;
  height: 240px;
  background: var(--orange);
  opacity: 0.05;
  bottom: -80px;
  left: -60px;
}

.hero-shape-3 {
  width: 120px;
  height: 120px;
  background: var(--orange);
  opacity: 0.1;
  top: 50%;
  right: 12%;
  border-radius: 24px;
  transform: rotate(45deg);
}

.hero-inner {
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--orange);
  background: rgba(229, 113, 37, 0.12);
  border: 1px solid rgba(229, 113, 37, 0.25);
  padding: 7px 18px;
  border-radius: 20px;
  letter-spacing: 0.04em;
  margin-bottom: 32px;
}

.hero h1 {
  font-family: var(--font-display);
  font-size: 3.5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.03em;
  line-height: 1.18;
  margin-bottom: 0.6em;
}

.hero h1 .accent {
  color: var(--orange);
}

.hero .hero-sub {
  font-size: 1.1875rem;
  color: #a1a1aa;
  max-width: 560px;
  margin: 0 auto 2.5em;
  line-height: 1.7;
}

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

.cta-primary {
  display: inline-block;
  background: var(--orange);
  color: #ffffff;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: background 200ms var(--ease), transform 200ms var(--ease), box-shadow 200ms var(--ease);
}

.cta-primary:hover {
  background: var(--orange-hover);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(229, 113, 37, 0.35);
}

.cta-outline {
  display: inline-block;
  background: transparent;
  color: #d1d5db;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  padding: 13px 36px;
  border: 1.5px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius);
  text-decoration: none;
  transition: border-color 200ms var(--ease), color 200ms var(--ease), background 200ms var(--ease);
}

.cta-outline:hover {
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}


/* --- Features Section --- */
.features-section {
  background: #ffffff;
  padding: 80px 48px;
  text-align: center;
}

.features-section h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #292524;
  letter-spacing: -0.02em;
  margin-bottom: 52px;
}

.features-grid {
  max-width: 900px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 48px;
}

.feature-card {
  text-align: center;
}

.feature-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto 18px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 48px;
  height: 48px;
}

.feature-card h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--ink-primary);
  margin-bottom: 8px;
}

.feature-card p {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.65;
  max-width: 260px;
  margin: 0 auto;
}

.feature-card code {
  font-family: var(--font-mono);
  font-size: 0.8em;
  background: #f0f2f5;
  padding: 0.1em 0.35em;
  border-radius: 3px;
  color: #b5200e;
}


/* --- Code Showcase — side by side --- */
.code-showcase {
  background: var(--surface-page);
  padding: 80px 48px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.code-showcase-inner {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 56px;
  align-items: center;
}

.code-showcase-block pre {
  background: #1c1917;
  border-radius: var(--radius-lg);
  padding: 28px 28px;
  border: 1px solid #292524;
  overflow-x: auto;
  margin: 0;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
}

.code-showcase-block pre code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: #c8d3f5;
  background: none;
  padding: 0;
}

.code-showcase-text h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: #292524;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 16px;
}

.code-showcase-text p {
  font-size: 1rem;
  color: var(--ink-secondary);
  line-height: 1.75;
  margin-bottom: 20px;
}

.code-showcase-text code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: #f0f2f5;
  padding: 0.15em 0.4em;
  border-radius: 4px;
  color: #b5200e;
}

.text-link {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--orange);
  text-decoration: none;
  transition: color 150ms;
}

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

/* Alternate background */
.code-showcase-alt {
  background: #ffffff;
  border-top: none;
}

/* Reversed layout: text left, code right */
.code-showcase-inner.reverse {
  grid-template-columns: 0.85fr 1.15fr;
}

.code-showcase-inner.reverse .code-showcase-text {
  order: -1;
}


/* --- Install Section --- */
.install-section {
  background: #2d2d2d;
  padding: 64px 48px;
}

.install-inner {
  max-width: 920px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.install-section pre {
  background: #1c1917;
  border: 1px solid #3a3633;
  border-radius: var(--radius-lg);
  padding: 24px 28px;
  overflow-x: auto;
  margin: 0;
}

.install-section pre code {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.8;
  color: #c8d3f5;
  background: none;
  padding: 0;
}

.install-text h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 12px;
}

.install-text p {
  font-size: 0.9375rem;
  color: #a1a1aa;
  line-height: 1.65;
  margin-bottom: 16px;
}

.text-link-light {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--orange);
  text-decoration: none;
  transition: color 150ms;
}

.text-link-light:hover {
  color: #f59e42;
}


/* --- Home Docs Section --- */
.home-docs {
  background: #ffffff;
  padding: 80px 48px;
}

.home-docs h2 {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 800;
  color: #292524;
  text-align: center;
  margin-bottom: 44px;
  letter-spacing: -0.02em;
}

.doc-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  max-width: 920px;
  margin: 0 auto;
  padding: 0;
}

.doc-card {
  background: var(--surface-content);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  text-decoration: none;
  transition: border-color 200ms var(--ease), box-shadow 200ms var(--ease), transform 200ms var(--ease);
}

.doc-card:hover {
  border-color: var(--orange);
  box-shadow: 0 4px 16px var(--orange-glow);
  transform: translateY(-2px);
}

.doc-card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius);
  background: var(--orange-pale);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.doc-card .card-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--orange);
  fill: none;
  stroke-width: 2;
}

.doc-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.0625rem;
  color: var(--ink-primary);
  margin-bottom: 8px;
}

.doc-card p {
  font-size: 0.875rem;
  color: var(--ink-secondary);
  line-height: 1.6;
}


/* --- Section List Page --- */
.section-list {
  list-style: none;
}

.section-list li {
  border-bottom: 1px solid var(--line-light);
}

.section-list a {
  display: block;
  padding: 16px 0;
  text-decoration: none;
  transition: padding-left 200ms var(--ease);
}

.section-list a:hover {
  padding-left: 8px;
}

.section-list .page-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-primary);
  margin-bottom: 2px;
}

.section-list .page-desc {
  font-size: 0.875rem;
  color: var(--ink-secondary);
}


/* --- Sidebar Overlay (mobile) --- */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 40;
  opacity: 0;
  transition: opacity 300ms;
}

.sidebar-overlay.visible {
  opacity: 1;
}


/* --- Responsive --- */
@media (max-width: 1280px) {
  .page-toc {
    display: none;
  }
}

@media (max-width: 1024px) {
  :root {
    --sidebar-w: 240px;
  }

  .main-content {
    padding: 32px 36px 56px;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 40px;
  }

  .code-showcase-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .install-inner {
    grid-template-columns: 1fr;
    gap: 28px;
    text-align: center;
  }

  .hero h1 {
    font-size: 2.75rem;
  }
}

@media (max-width: 768px) {
  .sidebar {
    transform: translateX(-100%);
    transition: transform 300ms var(--ease);
    z-index: 60;
    width: 280px;
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .sidebar-overlay {
    display: block;
  }

  body:not(.home) .site-layout,
  body:not(.home) .site-footer {
    margin-left: 0;
  }

  .hamburger {
    display: flex;
  }

  .header-nav {
    display: none;
  }

  .main-content {
    padding: 24px 20px 48px;
  }

  .site-footer {
    padding: 20px 24px;
  }

  .hero {
    padding: 64px 24px 72px;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero .hero-sub {
    font-size: 1rem;
  }

  .hero-actions {
    flex-direction: column;
    gap: 10px;
  }

  .features-section {
    padding: 56px 24px;
  }

  .features-grid {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .code-showcase {
    padding: 48px 24px;
  }

  .code-showcase-inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .install-section {
    padding: 40px 24px;
  }

  .install-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .home-docs {
    padding: 48px 24px;
  }

  .doc-cards {
    grid-template-columns: 1fr;
  }

  .hero-shape { display: none; }

  .page-nav {
    grid-template-columns: 1fr;
  }
}


/* --- Print --- */
@media print {
  .site-header,
  .sidebar,
  .page-toc,
  .page-nav,
  .site-footer,
  .copy-btn {
    display: none !important;
  }

  body {
    padding: 0;
  }

  body:not(.home) .site-layout {
    margin-left: 0;
  }

  .main-content {
    padding: 0;
    max-width: 100%;
  }

  .article pre {
    border: 1px solid #ddd;
    background: #f8f8f8;
  }

  .article pre code {
    color: #333;
  }
}


/* --- Animations --- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.article {
  animation: fadeIn 400ms var(--ease);
}

.doc-card {
  animation: fadeIn 500ms var(--ease) both;
}

.doc-card:nth-child(2) { animation-delay: 80ms; }
.doc-card:nth-child(3) { animation-delay: 160ms; }
.doc-card:nth-child(4) { animation-delay: 240ms; }
.doc-card:nth-child(5) { animation-delay: 320ms; }
.doc-card:nth-child(6) { animation-delay: 400ms; }
.doc-card:nth-child(7) { animation-delay: 480ms; }
.doc-card:nth-child(8) { animation-delay: 560ms; }
.doc-card:nth-child(9) { animation-delay: 640ms; }

.feature-card {
  animation: fadeIn 500ms var(--ease) both;
}
.feature-card:nth-child(2) { animation-delay: 80ms; }
.feature-card:nth-child(3) { animation-delay: 160ms; }
.feature-card:nth-child(4) { animation-delay: 240ms; }
.feature-card:nth-child(5) { animation-delay: 320ms; }
.feature-card:nth-child(6) { animation-delay: 400ms; }