:root {
  color-scheme: light;
  --bg: #f6f4ef;
  --surface: #fffdf9;
  --surface-soft: #f3f1eb;
  --surface-sage: #eef1ea;
  --surface-sage-strong: #e4eadf;
  --sidebar-bg: #f4f2ec;
  --border: #ddd8cc;
  --border-strong: #c9c3b6;
  --sage-100: #eef2ec;
  --sage-200: #dde5d8;
  --sage-300: #c6d3be;
  --sage-400: #a8ba9b;
  --sage-500: #8ca27d;
  --sage-600: #6f8962;
  --sage-700: #5c7451;
  --sage-800: #465a3d;
  --moss: #909a7c;
  --stone: #b7b0a4;
  --ink: #1d201b;
  --ink-soft: #394038;
  --ink-muted: #667064;
  --shadow-sm: 0 8px 22px rgba(55, 61, 48, 0.05);
  --shadow-md: 0 18px 42px rgba(49, 56, 44, 0.1);
  --topbar-height: 68px;
  --sidebar-width: 280px;
  --content-width: 880px;
  --radius-lg: 18px;
  --radius-md: 14px;
  --radius-sm: 10px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

a { color: inherit; }
img, svg { display: block; max-width: 100%; }
code, pre { font-family: "SFMono-Regular", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

.skip-link {
  position: absolute;
  left: 14px;
  top: -48px;
  z-index: 300;
  padding: 10px 12px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  color: var(--ink);
  text-decoration: none;
}
.skip-link:focus { top: 12px; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--topbar-height);
  border-bottom: 1px solid var(--border);
  background: rgba(246, 244, 239, 0.88);
  backdrop-filter: blur(10px);
}
.topbar__inner {
  display: grid;
  grid-template-columns: auto minmax(220px, 1fr) auto auto;
  align-items: center;
  gap: 18px;
  max-width: 1600px;
  height: 100%;
  margin: 0 auto;
  padding: 0 24px;
}
.mobile-menu {
  display: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ink-soft);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
  text-decoration: none;
}
.brand__logo {
  display: block;
  width: 176px;
  height: auto;
  flex: 0 0 auto;
}
.brand__section {
  padding-left: 12px;
  border-left: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 12px;
  white-space: nowrap;
}

.search-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: min(520px, 100%);
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--ink-muted);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
}
.search-trigger svg { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.7; }
.search-trigger span { flex: 1; text-align: left; font-size: 13px; }
.search-trigger kbd,
.search-input-wrap kbd {
  padding: 3px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--surface-soft);
  color: var(--ink-muted);
  font-size: 11px;
}
.top-actions {
  display: inline-flex;
  align-items: center;
  gap: 18px;
}
.top-actions a {
  color: var(--ink-muted);
  font-size: 12px;
  text-decoration: none;
}
.top-actions a:hover { color: var(--ink-soft); }
.github-link { display: inline-flex; align-items: center; gap: 8px; }
.github-link svg { width: 16px; height: 16px; fill: currentColor; }

.layout { display: grid; grid-template-columns: var(--sidebar-width) minmax(0, 1fr); }
.sidebar {
  position: sticky;
  top: var(--topbar-height);
  height: calc(100vh - var(--topbar-height));
  border-right: 1px solid var(--border);
  background: var(--sidebar-bg);
}
.sidebar__scroll {
  height: 100%;
  overflow-y: auto;
  padding: 22px 18px 28px;
}
.version-panel,
.sidebar-help {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--surface);
}
.version-panel span:first-child { display: block; color: var(--ink-muted); font-size: 11px; }
.version-panel strong { display: block; margin-top: 3px; font-size: 13px; }
.status-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 8px;
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 11px;
  font-weight: 700;
}
.status-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--sage-600);
}
.docs-nav { margin-top: 18px; }
.nav-group + .nav-group { margin-top: 18px; }
.nav-group p {
  margin: 0 0 9px;
  padding: 0 10px;
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.nav-group a {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--ink-soft);
  font-size: 13px;
  text-decoration: none;
}
.nav-group a:hover { background: var(--surface-sage); }
.nav-group a.active {
  background: var(--surface-sage);
  color: var(--sage-800);
  font-weight: 700;
}
.sidebar-help {
  margin-top: 20px;
  align-items: flex-start;
  justify-content: flex-start;
}
.sidebar-help__icon {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  display: inline-grid;
  place-items: center;
  background: var(--surface-sage-strong);
  color: var(--sage-800);
  font-weight: 800;
}
.sidebar-help strong { font-size: 13px; }
.sidebar-help p { margin: 4px 0 0; color: var(--ink-muted); font-size: 12px; }

.main { min-width: 0; }
.content-grid {
  display: grid;
  grid-template-columns: minmax(0, var(--content-width)) 190px;
  gap: 42px;
  align-items: start;
  max-width: 1280px;
  margin: 0 auto;
  padding: 40px 52px 78px;
}
.doc-content { min-width: 0; }
.section-block + .section-block { margin-top: 28px; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, 0.95fr);
  gap: 26px;
  align-items: start;
}
.hero-copy,
.hero-visual,
.info-panel,
.pillar-card,
.doc-hub-card,
.viz-card,
.release-card,
.workflow__node,
.route-cards article,
.command-stack > div,
.callout,
.table-card,
.file-tree,
.accordion details,
.route-list a,
.platform-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.hero-copy,
.section-block,
.release-card { padding: 30px; }
.hero-visual {
  display: grid;
  gap: 16px;
  padding: 20px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
}
.eyebrow-row {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}
.eyebrow,
.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--sage-800);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.pill {
  display: inline-flex;
  align-items: center;
  padding: 5px 9px;
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 11px;
  font-weight: 700;
}
h1, h2, h3, h4, p { margin-top: 0; }
h1 { margin-bottom: 14px; font-size: clamp(2.55rem, 5vw, 4rem); line-height: 1.04; letter-spacing: -0.045em; }
h2 { margin-bottom: 10px; font-size: 31px; line-height: 1.15; letter-spacing: -0.03em; }
h3 { margin-bottom: 8px; font-size: 18px; line-height: 1.2; letter-spacing: -0.02em; }
.lead { max-width: 62ch; margin-bottom: 22px; color: var(--ink-soft); font-size: 17px; }
.hero-actions,
.callout-grid,
.route-cards,
.pillar-grid,
.doc-hub-grid,
.background-grid,
.viz-grid,
.steps,
.route-list,
.command-stack,
.marker-grid,
.stats-grid,
.journey-grid,
.file-tree {
  display: grid;
}
.hero-actions {
  grid-auto-flow: column;
  justify-content: start;
  gap: 12px;
  margin-bottom: 24px;
}
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 15px;
  border-radius: 12px;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}
.button--primary { background: var(--sage-700); color: white; }
.button--secondary { background: var(--surface-sage); color: var(--sage-800); border: 1px solid var(--sage-200); }

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  overflow: hidden;
}
.metrics > div { padding: 16px 18px; }
.metrics > div + div { border-left: 1px solid var(--border); }
.metrics strong { display: block; margin-bottom: 5px; color: var(--sage-800); font-size: 24px; letter-spacing: -0.03em; }
.metrics span { color: var(--ink-muted); font-size: 12px; }

.visual-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 18px;
  background: var(--surface);
}
.visual-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}
.visual-card__header span { font-size: 13px; font-weight: 700; }
.visual-card__header small { color: var(--ink-muted); font-size: 11px; }
.flow-illustration {
  display: grid;
  grid-template-columns: repeat(7, auto);
  gap: 8px;
  align-items: center;
  margin-bottom: 18px;
}
.flow-pill {
  padding: 8px 10px;
  border: 1px solid var(--sage-200);
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
}
.flow-arrow { color: var(--ink-muted); font-size: 13px; text-align: center; }
.constellation {
  width: 100%;
  height: auto;
}
.constellation path {
  fill: none;
  stroke: var(--sage-300);
  stroke-width: 2;
  stroke-linecap: round;
}
.constellation circle { fill: var(--sage-600); }
.ring-grid {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 14px;
  align-items: center;
}
.ring-chart {
  position: relative;
  width: 132px;
  height: 132px;
  border-radius: 50%;
  background: conic-gradient(var(--sage-600) 0 calc(var(--value) * 1%), var(--sage-200) calc(var(--value) * 1%) 100%);
}
.ring-chart::before {
  content: "";
  position: absolute;
  inset: 14px;
  border-radius: 50%;
  background: var(--surface);
  border: 1px solid var(--border);
}
.ring-chart > div {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  z-index: 1;
}
.ring-chart strong { display: block; font-size: 26px; color: var(--sage-800); }
.ring-chart span { color: var(--ink-muted); font-size: 12px; }
.ring-legend { display: grid; gap: 12px; }
.ring-legend div { display: grid; grid-template-columns: 10px auto; column-gap: 10px; row-gap: 2px; align-items: center; }
.ring-legend strong { color: var(--ink); font-size: 14px; }
.ring-legend small { grid-column: 2; color: var(--ink-muted); font-size: 11px; }
.dot { width: 10px; height: 10px; border-radius: 999px; }
.dot--sage { background: var(--sage-600); }
.dot--moss { background: var(--moss); }
.dot--stone { background: var(--stone); }

.section-block {
  padding: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.section-heading { margin-bottom: 24px; }
.section-heading p { max-width: 66ch; color: var(--ink-soft); }
.background-grid { grid-template-columns: 1.15fr 0.85fr; gap: 16px; }
.info-panel { padding: 22px; }
.info-panel--soft { background: linear-gradient(180deg, var(--surface), var(--surface-sage)); }
.feature-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.feature-list li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  font-size: 14px;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--sage-500);
}
.persona-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.persona-row span {
  padding: 8px 10px;
  border: 1px solid var(--sage-200);
  border-radius: 999px;
  background: rgba(255,255,255,0.55);
  color: var(--ink-soft);
  font-size: 12px;
}
.pillar-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 18px; }
.pillar-card { padding: 20px; }
.pillar-card__number { display: inline-flex; margin-bottom: 10px; color: var(--sage-700); font-size: 12px; font-weight: 800; letter-spacing: 0.08em; }

.doc-hub-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.doc-hub-card {
  display: block;
  padding: 22px;
  text-decoration: none;
}
.doc-hub-card:hover {
  transform: translateY(-1px);
  background: linear-gradient(180deg, var(--surface), var(--surface-sage));
}
.doc-hub-card__eyebrow { display: inline-block; margin-bottom: 10px; color: var(--sage-800); font-size: 11px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; }
.doc-hub-card p { margin-bottom: 0; color: var(--ink-muted); font-size: 14px; }

.viz-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.viz-card { padding: 22px; }
.viz-card--wide { grid-column: 1 / -1; }
.viz-card__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}
.viz-card__header h3 { margin-bottom: 0; font-size: 17px; }
.viz-card__header span { color: var(--ink-muted); font-size: 12px; }
.bar-chart { display: grid; gap: 14px; }
.bar-row { display: grid; gap: 8px; }
.bar-row__meta { display: flex; justify-content: space-between; gap: 14px; font-size: 13px; }
.bar-row__meta span { color: var(--ink-soft); }
.bar-row__meta strong { color: var(--sage-800); }
.bar-track {
  height: 10px;
  border-radius: 999px;
  background: var(--surface-soft);
  border: 1px solid var(--border);
  overflow: hidden;
}
.bar-fill { width: var(--bar); height: 100%; background: linear-gradient(90deg, var(--sage-500), var(--sage-700)); }
.bar-fill--soft { background: linear-gradient(90deg, var(--sage-300), var(--moss)); }
.bar-fill--stone { background: linear-gradient(90deg, var(--stone), #9c988e); }
.stats-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.stats-grid > div {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
}
.stats-grid strong { display: block; margin-bottom: 4px; color: var(--sage-800); font-size: 24px; }
.stats-grid span { color: var(--ink-muted); font-size: 12px; }
.viz-footnote { margin-top: 16px; margin-bottom: 0; color: var(--ink-muted); font-size: 13px; }
.journey-grid { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; }
.journey-step {
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), var(--surface-sage));
}
.journey-step strong { display: inline-flex; margin-bottom: 8px; color: var(--sage-800); font-size: 12px; letter-spacing: 0.08em; }
.journey-step span { display: block; color: var(--ink-soft); font-size: 13px; }

.steps { gap: 16px; }
.step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.step__number {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--surface-sage-strong);
  color: var(--sage-800);
  font-weight: 800;
}
.platform-card { overflow: hidden; }
.tabs {
  display: inline-flex;
  gap: 8px;
  padding: 12px 12px 0;
}
.tab {
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--ink-muted);
  cursor: pointer;
  font-size: 12px;
  font-weight: 700;
}
.tab.active { background: var(--surface-sage); color: var(--sage-800); border-color: var(--sage-200); }
.tab-panel { display: none; padding: 12px; }
.tab-panel.active { display: block; }
.code-block {
  margin-top: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: #fbfaf7;
}
.code-block--flush { margin-top: 0; }
.code-block__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  background: var(--surface-soft);
}
.code-block__bar span { color: var(--ink-muted); font-size: 12px; font-weight: 700; }
.copy-button {
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 12px;
  cursor: pointer;
}
pre { margin: 0; padding: 16px 18px; overflow: auto; }
pre code { color: var(--ink-soft); font-size: 12.6px; line-height: 1.6; }
.callout-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.callout {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 14px;
  padding: 18px;
}
.callout__icon {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--surface-sage-strong);
  color: var(--sage-800);
  font-weight: 800;
}
.callout strong { font-size: 14px; }
.callout p { margin-bottom: 0; color: var(--ink-soft); font-size: 13px; }
.callout--warning { background: #fbf9f4; }
.route-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
.route-cards article { padding: 20px; }
.route-cards p { margin-bottom: 0; color: var(--ink-muted); font-size: 13px; }
.workflow {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, auto));
  gap: 10px;
  align-items: center;
}
.workflow__node { padding: 18px; min-width: 0; }
.workflow__node span {
  display: inline-flex;
  margin-bottom: 10px;
  color: var(--sage-800);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.workflow__node p { margin-bottom: 0; color: var(--ink-muted); font-size: 13px; }
.workflow__arrow { color: var(--ink-muted); font-size: 20px; }
.table-card { overflow: hidden; }
table { width: 100%; border-collapse: collapse; }
thead th {
  padding: 14px 16px;
  background: var(--surface-soft);
  color: var(--ink-soft);
  font-size: 12px;
  text-align: left;
}
tbody td {
  padding: 14px 16px;
  border-top: 1px solid var(--border);
  color: var(--ink-soft);
  font-size: 13px;
  vertical-align: top;
}
.marker-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.marker-grid > div {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
}
.marker-grid code { color: var(--sage-800); font-size: 12px; font-weight: 700; }
.marker-grid span { color: var(--ink-muted); font-size: 12.5px; }
.route-list { gap: 12px; }
.route-list a {
  display: grid;
  grid-template-columns: 88px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px 18px;
  text-decoration: none;
}
.route-id {
  display: inline-flex;
  justify-content: center;
  padding: 8px 10px;
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 12px;
  font-weight: 800;
}
.route-list strong { display: block; margin-bottom: 4px; font-size: 14px; }
.route-list small { color: var(--ink-muted); font-size: 12px; }
.command-stack { gap: 12px; }
.command-stack > div { padding: 18px; }
.command-stack code { display: inline-block; margin-bottom: 7px; color: var(--sage-800); font-size: 12px; font-weight: 700; }
.command-stack p { margin-bottom: 0; color: var(--ink-muted); font-size: 13px; }
.accordion { display: grid; gap: 12px; }
.accordion details { padding: 18px 20px; }
.accordion summary { cursor: pointer; font-weight: 700; }
.accordion p { margin: 12px 0 0; color: var(--ink-muted); font-size: 13px; }
.file-tree { gap: 0; overflow: hidden; }
.file-tree > div {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 13px 16px;
}
.file-tree > div + div { border-top: 1px solid var(--border); }
.file-tree code { color: var(--sage-800); font-size: 12px; font-weight: 700; }
.file-tree span { color: var(--ink-muted); font-size: 12px; }
.release-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: linear-gradient(180deg, var(--surface), var(--surface-sage));
}
.release-card h2 { margin-bottom: 8px; font-size: 25px; }
.release-card p { max-width: 58ch; margin-bottom: 0; color: var(--ink-soft); font-size: 13px; }
.page-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.page-nav a {
  display: flex;
  flex-direction: column;
  color: var(--ink-soft);
  text-decoration: none;
}
.page-nav a:last-child { align-items: flex-end; }
.page-nav small {
  color: var(--ink-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.page-nav strong { margin-top: 3px; font-size: 13px; }

.toc { position: sticky; top: calc(var(--topbar-height) + 26px); }
.toc__inner { padding-left: 16px; border-left: 1px solid var(--border); }
.toc p { margin: 0 0 10px; color: var(--ink); font-size: 11px; font-weight: 700; }
.toc a {
  position: relative;
  display: block;
  padding: 5px 0;
  color: var(--ink-muted);
  font-size: 11px;
  text-decoration: none;
  line-height: 1.45;
}
.toc a:hover { color: var(--ink-soft); }
.toc a.active { color: var(--sage-800); font-weight: 700; }
.toc a.active::before {
  content: "";
  position: absolute;
  left: -17px;
  top: 10px;
  width: 2px;
  height: 12px;
  border-radius: 2px;
  background: var(--sage-600);
}
.footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 52px;
  border-top: 1px solid var(--border);
  color: var(--ink-muted);
  font-size: 11px;
}
.footer img {
  display: block;
  width: 138px;
  height: auto;
}

.search-dialog {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: start center;
  padding-top: 12vh;
  background: rgba(40, 48, 41, 0.22);
  backdrop-filter: blur(3px);
}
.search-dialog[hidden] { display: none; }
.search-dialog__panel {
  width: min(620px, calc(100vw - 32px));
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  background: var(--surface);
  box-shadow: var(--shadow-md);
  overflow: hidden;
}
.search-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 58px;
  padding: 0 14px;
  border-bottom: 1px solid var(--border);
}
.search-input-wrap svg { width: 18px; height: 18px; fill: none; stroke: var(--ink-muted); stroke-width: 1.7; }
.search-input-wrap input {
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
  font-size: 14px;
}
.search-results { max-height: 390px; overflow-y: auto; padding: 10px; }
.search-label {
  margin: 4px 8px 7px;
  color: var(--ink-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.search-results button {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 11px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  cursor: pointer;
  text-align: left;
}
.search-results button:hover,
.search-results button:focus {
  outline: 0;
  background: var(--surface-sage);
}
.search-results button span { font-size: 13px; font-weight: 700; }
.search-results button small { color: var(--ink-muted); font-size: 10px; }
.sidebar-backdrop {
  position: fixed;
  inset: var(--topbar-height) 0 0;
  z-index: 50;
  background: rgba(35, 43, 37, 0.18);
}

@media (max-width: 1180px) {
  :root { --sidebar-width: 252px; --content-width: 820px; }
  .content-grid {
    grid-template-columns: minmax(0, var(--content-width));
    gap: 0;
    padding-left: 44px;
    padding-right: 44px;
  }
  .toc { display: none; }
}

@media (max-width: 940px) {
  .hero { grid-template-columns: 1fr; }
  .background-grid,
  .viz-grid,
  .doc-hub-grid,
  .route-cards,
  .callout-grid,
  .pillar-grid,
  .journey-grid { grid-template-columns: 1fr; }
  .viz-card--wide { grid-column: auto; }
  .metrics { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .metrics > div:nth-child(3),
  .metrics > div:nth-child(4) { border-top: 1px solid var(--border); }
  .metrics > div:nth-child(3) { border-left: 0; }
  .ring-grid { grid-template-columns: 1fr; justify-items: center; }
  .route-list a,
  .file-tree > div,
  .release-card { grid-template-columns: 1fr; display: block; }
  .release-card { align-items: start; }
  .release-card .button { margin-top: 18px; }
  .workflow { grid-template-columns: 1fr; }
  .workflow__arrow { text-align: center; transform: rotate(90deg); }
}

@media (max-width: 860px) {
  .topbar__inner { grid-template-columns: auto auto 1fr auto; gap: 10px; padding: 0 16px; }
  .mobile-menu {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
    cursor: pointer;
  }
  .mobile-menu svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.7; }
  .brand__section { display: none; }
  .brand__logo { width: 148px; }
  .search-trigger { justify-self: end; width: 36px; height: 36px; padding: 0; justify-content: center; }
  .search-trigger span,
  .search-trigger kbd,
  .top-actions a:not(.github-link),
  .github-link span { display: none; }
  .layout { display: block; }
  .sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    z-index: 60;
    width: min(320px, 90vw);
    transform: translateX(-100%);
    transition: transform 180ms ease;
    box-shadow: var(--shadow-md);
  }
  .sidebar.open { transform: translateX(0); }
  .content-grid { padding: 36px 24px 68px; }
.footer { padding-left: 24px; padding-right: 24px; }
}

@media (max-width: 620px) {
  .content-grid { padding: 28px 16px 56px; }
  h1 { font-size: 38px; }
  h2 { font-size: 26px; }
  .lead { font-size: 15px; }
  .section-block,
  .hero-copy,
  .release-card { padding: 22px; }
  .hero-visual { padding: 14px; }
  .hero-actions { grid-auto-flow: row; }
  .flow-illustration { grid-template-columns: 1fr; }
  .flow-arrow { transform: rotate(90deg); }
  .stats-grid { grid-template-columns: 1fr; }
  .topbar__inner { grid-template-columns: auto auto 1fr auto; }
  .page-nav { flex-direction: column; align-items: stretch; gap: 12px; }
  .page-nav a:last-child { align-items: flex-start; }
}

/* Standalone project landing page */
.landing-page {
  background: var(--bg);
}
.landing-shell {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}
.landing-hero { padding: 92px 0 78px; }
.landing-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
  align-items: center;
  gap: 72px;
}
.landing-hero__copy h1 {
  max-width: 780px;
  margin-bottom: 22px;
  font-size: 5.2rem;
  line-height: 1;
  letter-spacing: 0;
}
.landing-hero__lead {
  max-width: 660px;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: 18px;
  line-height: 1.65;
}
.landing-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.button--large { padding: 13px 18px; font-size: 14px; }
.landing-trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  margin-top: 28px;
  color: var(--ink-muted);
  font-size: 12px;
}
.landing-trust-row span {
  position: relative;
  padding-left: 15px;
}
.landing-trust-row span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--sage-500);
}
.landing-system-card {
  padding: 24px;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: rgba(255, 253, 249, 0.88);
  box-shadow: 0 30px 80px rgba(55, 61, 48, 0.1);
}
.landing-system-card__top,
.landing-system-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.landing-system-card__top span { font-size: 13px; font-weight: 750; }
.landing-system-card__top small { color: var(--ink-muted); font-size: 11px; }
.landing-route-flow { margin: 32px 0; }
.landing-route-node {
  display: grid;
  grid-template-columns: 34px 90px 1fr;
  align-items: center;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
}
.landing-route-node small {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 9px;
  background: var(--surface-sage-strong);
  color: var(--sage-800);
  font-weight: 800;
}
.landing-route-node strong { font-size: 13px; }
.landing-route-node span { color: var(--ink-muted); font-size: 12px; }
.landing-route-line {
  width: 1px;
  height: 18px;
  margin-left: 29px;
  background: var(--sage-300);
}
.landing-system-card__footer {
  justify-content: flex-start;
  flex-wrap: wrap;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.landing-system-card__footer span {
  padding: 7px 9px;
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 11px;
  font-weight: 700;
}
.landing-section { padding: 88px 0; }
.landing-section--tinted {
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: rgba(238, 241, 234, 0.55);
}
.landing-section__heading { max-width: 700px; margin-bottom: 38px; }
.landing-section__heading--center { margin-left: auto; margin-right: auto; text-align: center; }
.landing-section__heading h2 { margin-top: 8px; font-size: clamp(2rem, 4vw, 3.25rem); }
.landing-section__heading p { color: var(--ink-soft); font-size: 16px; }
.landing-feature-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.landing-feature-grid article {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
}
.landing-feature-index {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--sage-700);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}
.landing-feature-grid p { margin-bottom: 0; color: var(--ink-muted); font-size: 14px; }
.landing-explainer {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 70px;
  align-items: start;
}
.landing-process {
  display: grid;
  gap: 0;
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  background: var(--surface);
}
.landing-process > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 20px;
  padding: 20px 22px;
}
.landing-process > div + div { border-top: 1px solid var(--border); }
.landing-process strong { color: var(--sage-800); font-size: 13px; }
.landing-process span { color: var(--ink-soft); font-size: 13px; }
.landing-metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 20px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: var(--surface);
  overflow: hidden;
}
.landing-metrics-grid > div { padding: 28px; }
.landing-metrics-grid > div + div { border-left: 1px solid var(--border); }
.landing-metrics-grid strong { display: block; margin-bottom: 6px; color: var(--sage-800); font-size: 32px; letter-spacing: -0.04em; }
.landing-metrics-grid span { color: var(--ink-muted); font-size: 12px; }
.landing-data-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  padding: 34px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: linear-gradient(135deg, var(--surface), var(--surface-sage));
}
.landing-data-card__copy h3 { margin-top: 10px; font-size: 27px; }
.landing-data-card__copy p { color: var(--ink-soft); font-size: 14px; }
.landing-data-bars { display: grid; gap: 17px; }
.landing-data-bars > div { display: grid; grid-template-columns: 1fr auto; gap: 8px 16px; }
.landing-data-bars span { color: var(--ink-soft); font-size: 12px; }
.landing-data-bars strong { color: var(--sage-800); font-size: 12px; }
.landing-data-bars i {
  grid-column: 1 / -1;
  display: block;
  width: var(--bar);
  height: 9px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--sage-400), var(--sage-700));
}
.landing-cta { padding: 70px 0; border-top: 1px solid var(--border); background: var(--surface); }
.landing-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.landing-cta h2 { margin: 8px 0; font-size: 34px; }
.landing-cta p { margin-bottom: 0; color: var(--ink-muted); }
.landing-footer { border-top: 1px solid var(--border); }
.landing-footer__inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--ink-muted);
  font-size: 11px;
}
.landing-footer__inner img {
  display: block;
  width: 150px;
  height: auto;
}
.docs-intro__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.docs-page .docs-intro h1 { margin-bottom: 12px; }

@media (max-width: 980px) {
  .landing-hero__grid,
  .landing-explainer,
  .landing-data-card { grid-template-columns: 1fr; }
  .landing-feature-grid { grid-template-columns: 1fr; }
  .landing-hero { padding-top: 70px; }
  .landing-system-card { max-width: 720px; }
  .landing-metrics-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .landing-metrics-grid > div:nth-child(3) { border-left: 0; }
  .landing-metrics-grid > div:nth-child(3),
  .landing-metrics-grid > div:nth-child(4) { border-top: 1px solid var(--border); }
}

@media (max-width: 720px) {
  .landing-shell { width: min(100% - 28px, 1180px); }
  .landing-hero { padding: 58px 0 56px; }
  .landing-hero__copy h1 { font-size: 3.4rem; }
  .landing-hero__lead { font-size: 16px; }
  .landing-route-node { grid-template-columns: 34px 1fr; }
  .landing-route-node span { grid-column: 2; }
  .landing-section { padding: 64px 0; }
  .landing-process > div { grid-template-columns: 1fr; gap: 6px; }
  .landing-metrics-grid { grid-template-columns: 1fr; }
  .landing-metrics-grid > div + div { border-left: 0; border-top: 1px solid var(--border); }
  .landing-data-card { padding: 24px; }
  .landing-cta__inner,
  .landing-footer__inner { align-items: flex-start; flex-direction: column; }
  .landing-cta__inner { gap: 22px; }
  .landing-footer__inner { justify-content: center; padding: 20px 0; }
}

/* Sectioned documentation refinements */
.docs-hero {
  display: block;
}
.docs-hero > div {
  max-width: 720px;
}
.visual-figure {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
  overflow: hidden;
}
.visual-figure img {
  width: 100%;
  height: auto;
  background: var(--surface);
}
.visual-figure figcaption {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid var(--border);
}
.visual-figure figcaption strong {
  font-size: 13px;
}
.visual-figure figcaption span {
  color: var(--ink-muted);
  font-size: 12px;
}
.technical-map {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 34px minmax(0, 1fr) 34px minmax(0, 1fr) 34px minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
}
.technical-map > div {
  min-height: 118px;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: linear-gradient(180deg, var(--surface), var(--surface-sage));
}
.technical-map span {
  display: block;
  margin-bottom: 8px;
  color: var(--sage-800);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.technical-map strong {
  font-size: 20px;
}
.technical-map i {
  display: block;
  height: 2px;
  border-radius: 999px;
  background: var(--sage-600);
  position: relative;
}
.technical-map i::after {
  content: "";
  position: absolute;
  right: -2px;
  top: -4px;
  width: 0;
  height: 0;
  border-left: 8px solid var(--sage-600);
  border-top: 5px solid transparent;
  border-bottom: 5px solid transparent;
}
.manual-page .content-grid,
.docs-page .manual-body {
  max-width: none;
}
.manual-hero,
.manual-body {
  max-width: 860px;
  margin-left: auto;
  margin-right: auto;
}
.manual-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.manual-meta span,
.manual-meta a {
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}
.manual-body {
  line-height: 1.72;
}
.manual-body h2,
.manual-body h3,
.manual-body h4 {
  margin-top: 30px;
}
.manual-body p,
.manual-body li {
  color: var(--ink-soft);
}
.manual-body ul {
  padding-left: 22px;
}
.manual-body li + li {
  margin-top: 8px;
}
.manual-body .table-card,
.manual-body .code-block {
  margin: 18px 0;
}
@media (max-width: 940px) {
  .technical-map {
    grid-template-columns: 1fr;
  }
  .technical-map i {
    width: 2px;
    height: 24px;
    margin: 0 auto;
  }
  .technical-map i::after {
    right: -4px;
    top: auto;
    bottom: -2px;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 8px solid var(--sage-600);
    border-bottom: 0;
  }
}

/* Catalog reference pages */
.reference-stack {
  display: grid;
  gap: 18px;
}
.reference-card {
  display: grid;
  gap: 16px;
  min-width: 0;
  overflow: hidden;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}
.reference-card__head {
  display: grid;
  grid-template-columns: minmax(0, 118px) minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.reference-card__head .route-id {
  justify-self: start;
  max-width: 100%;
  min-width: 0;
  line-height: 1.35;
  white-space: normal;
  overflow-wrap: anywhere;
}
.reference-card__head h3 {
  margin: 0 0 7px;
  font-size: 17px;
  line-height: 1.3;
}
.reference-card__head p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.65;
  overflow-wrap: anywhere;
}
.reference-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
}
.reference-meta > div {
  min-width: 0;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface-soft);
}
.reference-meta dt {
  margin: 0 0 4px;
  color: var(--ink-muted);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.reference-meta dd {
  margin: 0;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.45;
  overflow-wrap: anywhere;
}
.reference-detail {
  min-width: 0;
  padding: 13px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--surface), var(--surface-soft));
}
.reference-detail h4 {
  margin: 0 0 9px;
  color: var(--sage-800);
  font-size: 12px;
  line-height: 1.3;
}
.reference-detail p,
.reference-detail li {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.55;
}
.reference-detail code {
  display: inline-block;
  max-width: 100%;
  overflow-wrap: anywhere;
  color: var(--sage-800);
  font-size: 12px;
}
.reference-list,
.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.reference-list li,
.chip-row span,
.muted-value {
  display: inline-flex;
  max-width: 100%;
  padding: 6px 9px;
  border: 1px solid var(--sage-200);
  border-radius: 999px;
  background: var(--surface-sage);
  color: var(--sage-800);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.muted-value {
  margin: 0;
}
.reference-card,
.reference-card *,
.reference-card__head,
.reference-card__head p,
.reference-detail,
.reference-detail p,
.reference-detail code,
.reference-meta dd,
.reference-list li,
.chip-row span,
.muted-value {
  min-width: 0;
  overflow-wrap: anywhere;
  word-break: break-word;
}
.footer {
  justify-content: center;
}
@media (max-width: 900px) {
  .reference-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 720px) {
  .reference-card {
    padding: 16px;
  }
  .reference-card__head,
  .reference-meta {
    grid-template-columns: 1fr;
  }
}