:root {
  color-scheme: light;
  --bg: #ffffff;
  --bg-elevated: #ffffff;
  --surface: #fafafa;
  --surface-2: #f4f4f5;
  --border: rgba(0,0,0,0.08);
  --border-strong: rgba(0,0,0,0.14);
  --text: #0a0a0a;
  --text-secondary: #525252;
  --text-muted: #777777;
  --text-faint: #b4b4b4;
  --accent: #e23a2c;
  --accent-text: #b51d16;
  --on-accent: #0a0a0a;
  --critical: #e23a2c;
  --warning: #a15c00;
  --info: #1857b6;
  --success: #0d7a35;
  --resolved: #6b7280;
  --shadow: 0 16px 40px rgba(0,0,0,0.08);
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --sans: "Geist", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a0a0a;
  --bg-elevated: #111111;
  --surface: #0f0f0f;
  --surface-2: #161616;
  --border: rgba(255,255,255,0.10);
  --border-strong: rgba(255,255,255,0.20);
  --text: #f5f5f5;
  --text-secondary: #c9c9c9;
  --text-muted: #9a9a9a;
  --text-faint: #626262;
  --accent-text: #ff6b5f;
  --on-accent: #0a0a0a;
  --warning: #f59e0b;
  --info: #60a5fa;
  --success: #4ade80;
  --resolved: #9ca3af;
  --shadow: 0 18px 44px rgba(0,0,0,0.42);
}

* { box-sizing: border-box; }
html { background: var(--bg); color: var(--text); font-family: var(--sans); font-size: 16px; line-height: 1.5; scroll-behavior: smooth; }
body { margin: 0; min-height: 100vh; background: var(--bg); }
a { color: inherit; text-decoration-color: var(--text-faint); text-underline-offset: 0.18em; }
a:hover { color: var(--accent-text); text-decoration-color: var(--accent-text); }
button, input { font: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 16px; top: 12px; transform: translateY(-180%); z-index: 40; background: var(--text); color: var(--bg); padding: 10px 12px; font-family: var(--mono); font-size: 12px; text-transform: uppercase; text-decoration: none; border: 1px solid var(--border-strong); }
.skip-link:focus { transform: translateY(0); }
.js-only { display: none; }

.site-header { position: sticky; top: 0; z-index: 30; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 22px; min-height: 57px; padding: 0 24px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 600; letter-spacing: 0; text-decoration: none; }
.brand-dot { width: 10px; height: 10px; background: var(--accent); border: 1px solid var(--accent); display: inline-block; position: relative; }
.brand-dot::after { content: ""; position: absolute; inset: -5px; border: 1px solid var(--accent); opacity: 0.45; }
.site-nav { display: flex; flex-wrap: wrap; gap: 2px; align-items: center; }
.site-nav a { padding: 8px 9px; color: var(--text-secondary); text-decoration: none; font-family: var(--mono); font-size: 11px; font-weight: 500; text-transform: uppercase; border: 1px solid transparent; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); border-color: var(--border); background: var(--surface); }
.site-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle, .btn, .copy-button { border: 1px solid var(--border-strong); background: var(--bg-elevated); color: var(--text); min-height: 34px; padding: 0 12px; font-family: var(--mono); font-size: 11px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; cursor: pointer; border-radius: 0; }
.has-js .theme-toggle, .has-js .copy-button { display: inline-flex; align-items: center; justify-content: center; }
.theme-toggle:hover, .btn:hover, .copy-button:hover { border-color: var(--text); transform: translateY(-1px); }
.btn { display: inline-flex; align-items: center; justify-content: center; text-decoration: none; gap: 8px; }
.btn.accent { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.btn.sm { min-height: 28px; padding: 0 9px; font-size: 10px; }
.search { position: relative; display: none; }
.has-js .search { display: block; }
.search input { width: min(25vw, 280px); min-height: 34px; border: 1px solid var(--border); background: var(--surface); color: var(--text); padding: 0 10px; font-family: var(--mono); font-size: 12px; border-radius: 0; }
.search-results { position: absolute; right: 0; top: calc(100% + 8px); width: min(420px, 90vw); border: 1px solid var(--border-strong); background: var(--bg-elevated); box-shadow: var(--shadow); padding: 6px; }
.search-result { display: block; padding: 10px; text-decoration: none; border: 1px solid transparent; }
.search-result:hover, .search-result:focus { border-color: var(--border); background: var(--surface); }
.search-result span { display: block; font-family: var(--mono); font-size: 10px; color: var(--accent-text); text-transform: uppercase; }
.search-result strong { display: block; font-size: 14px; }
.search-result p { margin: 2px 0 0; color: var(--text-muted); font-size: 12px; }

.site-main { width: 100%; }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 34px; max-width: 1360px; margin: 0 auto; padding: 34px 28px 72px; }
.docs-article { min-width: 0; }
.toc { position: sticky; top: 82px; align-self: start; border-left: 1px solid var(--border); padding-left: 16px; max-height: calc(100vh - 110px); overflow: auto; }
.toc-title, .eyebrow, .endpoint-label, .diagram-label, .stat-label { font-family: var(--mono); font-size: 11px; line-height: 1.2; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-secondary); }
.toc a { display: block; padding: 5px 0; color: var(--text-secondary); text-decoration: none; font-size: 13px; }
.toc a:hover { color: var(--accent-text); }
.toc .toc-level-3 { padding-left: 14px; font-size: 12px; }
.toc-empty { color: var(--text-muted); font-size: 13px; }

.docs-article > h1:first-child, .docs-article h1 { margin: 0 0 16px; font-size: clamp(42px, 8vw, 86px); line-height: 0.92; letter-spacing: 0; font-weight: 600; max-width: 940px; }
.docs-article h2 { margin: 46px 0 12px; padding-top: 10px; border-top: 1px solid var(--border); font-size: clamp(25px, 3.5vw, 38px); line-height: 1.05; letter-spacing: 0; font-weight: 600; }
.docs-article h3 { margin: 30px 0 10px; font-size: 21px; line-height: 1.2; font-weight: 600; }
.docs-article h4 { margin: 22px 0 8px; font-size: 16px; font-weight: 600; }
.docs-article p, .docs-article li { color: var(--text-secondary); max-width: 900px; }
.docs-article p { margin: 0 0 14px; }
.docs-article ul, .docs-article ol { padding-left: 22px; margin: 0 0 18px; }
.docs-article li + li { margin-top: 5px; }
.task-list-item { list-style: none; }
.task-marker { display: inline-block; width: 13px; height: 13px; margin: 0 8px 0 -21px; border: 1px solid var(--border-strong); background: var(--bg-elevated); vertical-align: -1px; }
.docs-article blockquote { margin: 22px 0; padding: 14px 18px; border-left: 3px solid var(--accent); background: var(--surface); color: var(--text-secondary); }
.docs-article code { font-family: var(--mono); font-size: 0.92em; background: var(--surface-2); border: 1px solid var(--border); padding: 0.1em 0.3em; }
.docs-article pre code { background: transparent; border: 0; padding: 0; color: inherit; font-size: 12px; }
.image-placeholder { display: inline-flex; align-items: center; min-height: 28px; border: 1px solid var(--border); background: var(--surface); color: var(--text-muted); padding: 3px 8px; font-family: var(--mono); font-size: 11px; text-transform: uppercase; }
.docs-article table { width: 100%; border-collapse: collapse; margin: 22px 0 28px; font-size: 14px; }
.docs-article th { font-family: var(--mono); font-size: 11px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); text-align: left; background: var(--surface); }
.docs-article th, .docs-article td { border: 1px solid var(--border); padding: 10px 12px; vertical-align: top; }
.docs-article td { color: var(--text-secondary); }
.docs-heading { position: relative; scroll-margin-top: 86px; }
.heading-anchor { position: absolute; right: calc(100% + 8px); top: 0.08em; opacity: 0; color: var(--accent-text); text-decoration: none; font-family: var(--mono); font-size: 0.6em; }
.docs-heading:hover .heading-anchor, .heading-anchor:focus { opacity: 1; }
.lede { font-size: 18px; color: var(--text-secondary); max-width: 820px; }

.hero { display: grid; grid-template-columns: minmax(0, 0.95fr) minmax(360px, 0.82fr); gap: 28px; align-items: center; min-height: calc(100vh - 58px); border-bottom: 1px solid var(--border); margin: -34px -28px 40px; padding: 70px 28px 54px; }
.hero-copy { max-width: 680px; padding-left: clamp(0px, 4vw, 44px); }
.hero h1 { margin: 10px 0 18px; font-size: clamp(56px, 7vw, 92px); line-height: 0.88; letter-spacing: 0; }
.hero p { font-size: clamp(18px, 2vw, 24px); line-height: 1.25; color: var(--text-secondary); max-width: 640px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero-meta { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 26px; font-family: var(--mono); font-size: 12px; color: var(--text-secondary); text-transform: uppercase; }
.timer { color: var(--accent-text); }
.hero-visual { border: 1px solid var(--border); background: var(--surface); min-height: 320px; display: grid; place-items: center; overflow: hidden; }
.hero-flow { width: min(100%, 860px); height: auto; }
.flow-frame { fill: none; stroke: var(--border-strong); vector-effect: non-scaling-stroke; }
.flow-line { stroke: var(--text-faint); stroke-width: 2; }
.flow-card { fill: var(--bg-elevated); stroke: var(--border-strong); stroke-width: 1.4; vector-effect: non-scaling-stroke; }
.flow-node { fill: var(--accent); opacity: 0.62; }
.flow-step text { font-family: var(--mono); font-size: 12px; font-weight: 700; text-anchor: middle; fill: var(--text); letter-spacing: 0.08em; }

.code-shell { position: relative; margin: 16px 0 22px; }
.docs-article > p, .docs-article > ul, .docs-article > ol, .docs-article > table, .docs-article > blockquote,
.docs-article > .code-shell, .diagram-panel, .endpoint-card, .glossary-card, .adr-item {
  content-visibility: auto;
  contain-intrinsic-size: auto 120px;
}
.docs-article > .hero, .docs-article > .eyebrow, .docs-article > h1:first-child, .docs-article > .lede,
.docs-article > .design-preview, .docs-article > .adr-rail {
  content-visibility: visible;
}
.code-shell pre, .endpoint-example pre, .diagram-source pre { overflow: auto; margin: 0; padding: 16px; border: 1px solid var(--border); background: var(--surface); color: var(--text); }
.code-shell pre { padding-right: 86px; }
.copy-button { position: absolute; top: 8px; right: 8px; min-height: 24px; padding: 0 7px; background: var(--bg-elevated); }
.highlight .hll { background-color: var(--surface-2); }
.k, .kc, .kd, .kn, .kp, .kr, .kt { color: var(--accent-text); }
.s, .s1, .s2, .sb, .sc, .sd { color: var(--success); }
.m, .mi, .mf { color: var(--info); }
.c, .c1, .cm { color: var(--text-muted); }
.na, .nb, .nf, .nx { color: var(--warning); }

.diagram-panel { margin: 20px 0 32px; border: 1px solid var(--border); background: var(--surface); padding: 14px; overflow: hidden; }
.diagram-label { margin-bottom: 10px; color: var(--accent-text); }
.diagram-caption { margin-top: 10px; color: var(--text-muted); font-size: 13px; max-width: 900px; }
.animated-diagram { display: block; width: 100%; height: auto; background: var(--bg-elevated); border: 1px solid var(--border); }
.diagram-backplane { fill: var(--bg-elevated); stroke: var(--border); vector-effect: non-scaling-stroke; }
.diagram-gridline { fill: none; stroke: var(--border); stroke-width: 1; vector-effect: non-scaling-stroke; }
.diagram-node rect, .diagram-actor rect, .diagram-chip rect { fill: var(--surface); stroke: var(--border-strong); vector-effect: non-scaling-stroke; }
.diagram-node text, .diagram-actor text, .diagram-chip text, .diagram-store text { font-family: var(--mono); fill: var(--text); text-anchor: middle; }
.diagram-actor text { font-size: 12px; font-weight: 600; text-transform: uppercase; }
.diagram-chip text { text-anchor: start; font-size: 12px; font-weight: 600; fill: var(--text-secondary); }
.node-kicker { font-size: 9px; font-weight: 600; letter-spacing: 0.08em; fill: var(--accent-text); }
.node-title { font-size: 14px; font-weight: 700; }
.node-subtitle { font-size: 11px; fill: var(--text-muted); }
.state-node .node-title { font-size: 15px; }
.diagram-store path, .diagram-store ellipse { fill: var(--surface); stroke: var(--border-strong); vector-effect: non-scaling-stroke; }
.diagram-store text { font-size: 12px; fill: var(--text-secondary); }
.diagram-edge { fill: none; stroke: var(--text-secondary); stroke-width: 2; vector-effect: non-scaling-stroke; }
.diagram-edge.hot { stroke: var(--accent); }
.diagram-edge.faint, .diagram-lifeline { stroke: var(--text-faint); }
.diagram-lifeline { fill: none; stroke-width: 1; stroke-dasharray: 5 8; vector-effect: non-scaling-stroke; }
.diagram-note { font-family: var(--mono); font-size: 12px; fill: var(--text-muted); }
.diagram-start, .diagram-dot { fill: var(--accent); }
.diagram-dot.muted { fill: var(--text-muted); }
.diagram-halo { fill: none; stroke: var(--accent); stroke-width: 1.4; opacity: 0.28; vector-effect: non-scaling-stroke; }
.diagram-activation { fill: color-mix(in srgb, var(--accent) 14%, transparent); stroke: var(--accent); stroke-width: 1; vector-effect: non-scaling-stroke; }
.animated-diagram marker path { fill: var(--text-secondary); stroke: var(--text-secondary); }
.diagram-source { margin-top: 10px; color: var(--text-muted); font-size: 13px; }
.diagram-source summary { cursor: pointer; font-family: var(--mono); font-size: 11px; text-transform: uppercase; }

.endpoint-section { margin-bottom: 34px; }
.endpoint-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.endpoint-card { border: 1px solid var(--border); background: var(--bg-elevated); padding: 14px; transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease; }
.endpoint-head { display: flex; align-items: center; gap: 10px; min-width: 0; }
.endpoint-head code { background: transparent; border: 0; padding: 0; white-space: normal; overflow-wrap: anywhere; }
.method { display: inline-flex; min-width: 46px; justify-content: center; padding: 3px 6px; border: 1px solid currentColor; font-family: var(--mono); font-size: 11px; font-weight: 600; }
.method.get { color: var(--info); }
.method.post { color: var(--accent-text); }
.endpoint-card p { font-size: 13px; margin: 10px 0; }
.endpoint-example { margin-top: 10px; }
.endpoint-example pre { padding: 12px; font-size: 12px; }
.endpoint-example .code-shell { display: flex; align-items: flex-start; margin: 0; border: 1px solid var(--border); background: var(--surface); }
.endpoint-example .code-shell pre { flex: 1 1 auto; min-width: 0; border: 0; padding: 12px; }
.endpoint-example .copy-button { position: static; flex: 0 0 auto; order: 2; margin: 8px 8px 0 8px; }

.design-preview { border: 1px solid var(--border); background: var(--surface); padding: 18px; margin: 0 0 32px; }
.token-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; margin: 14px 0 18px; }
.token-card { display: grid; grid-template-columns: 32px 1fr; gap: 7px 10px; align-items: center; border: 1px solid var(--border); background: var(--bg-elevated); padding: 10px; min-width: 0; }
.swatch { width: 32px; height: 32px; border: 1px solid var(--border-strong); grid-row: span 2; background: var(--surface-2); }
.swatch[data-swatch="--bg"] { background: var(--bg); }
.swatch[data-swatch="--surface"] { background: var(--surface); }
.swatch[data-swatch="--surface-2"] { background: var(--surface-2); }
.swatch[data-swatch="--border"] { background: var(--border); }
.swatch[data-swatch="--text"] { background: var(--text); }
.swatch[data-swatch="--text-secondary"] { background: var(--text-secondary); }
.swatch[data-swatch="--accent"] { background: var(--accent); }
.swatch[data-swatch="--accent-text"] { background: var(--accent-text); }
.swatch[data-swatch="--warning"] { background: var(--warning); }
.swatch[data-swatch="--info"] { background: var(--info); }
.swatch[data-swatch="--success"] { background: var(--success); }
.swatch[data-swatch="--resolved"] { background: var(--resolved); }
.token-name { font-family: var(--mono); font-size: 12px; font-weight: 600; }
.token-values { display: grid; gap: 2px; }
.token-card code { font-size: 11px; background: transparent; border: 0; padding: 0; color: var(--text-muted); }
.component-preview { display: grid; gap: 12px; }
.live-banner { display: grid; grid-template-columns: auto 1fr auto; gap: 12px; align-items: center; border: 1px solid var(--border-strong); background: var(--bg-elevated); padding: 12px; }
.live-banner-icon { width: 28px; height: 28px; display: grid; place-items: center; border: 1px solid var(--accent); color: var(--accent); }
.dot { display: inline-block; width: 8px; height: 8px; background: currentColor; }
.live-banner-title { font-weight: 600; }
.live-banner-meta { font-family: var(--mono); font-size: 11px; color: var(--text-muted); text-transform: uppercase; }
.live-banner-actions, .preview-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.badge, .health { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--border-strong); padding: 4px 7px; font-family: var(--mono); font-size: 11px; font-weight: 600; text-transform: uppercase; }
.severity-critical, .status-triggered { color: var(--accent-text); }
.health { color: var(--success); }

.glossary-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin-top: 24px; }
.glossary-card { border: 1px solid var(--border); padding: 14px; background: var(--bg-elevated); }
.glossary-card h2 { margin: 0 0 8px; border: 0; padding: 0; font-size: 18px; }
.glossary-card p { font-size: 14px; margin: 0; }

.adr-rail { display: grid; grid-template-columns: minmax(330px, 370px) minmax(0, 1fr); gap: 44px; }
.page-template-adr-index .docs-article h1 { max-width: 360px; font-size: clamp(54px, 7vw, 76px); line-height: 0.98; }
.adr-list { position: relative; display: grid; gap: 8px; padding-left: 26px; }
.adr-list::before { content: ""; position: absolute; left: 7px; top: 5px; bottom: 5px; width: 1px; background: var(--border-strong); }
.adr-item { position: relative; display: grid; grid-template-columns: 72px 1fr; gap: 8px; border: 1px solid var(--border); background: var(--bg-elevated); padding: 12px; text-decoration: none; transition: transform 160ms ease, border-color 160ms ease; }
.adr-item::before { content: ""; position: absolute; left: -24px; top: 18px; width: 10px; height: 10px; background: var(--bg); border: 2px solid var(--accent); }
.adr-number { font-family: var(--mono); font-size: 12px; color: var(--accent-text); font-weight: 600; }
.adr-title { font-weight: 600; }
.adr-title { overflow-wrap: anywhere; }
.adr-decision { grid-column: 2; max-height: 0; opacity: 0; overflow: hidden; color: var(--text-secondary); font-size: 14px; transition: max-height 160ms ease, opacity 160ms ease; }
.adr-item:hover, .adr-item:focus { transform: translateX(3px); border-color: var(--border-strong); }
.adr-item:hover .adr-decision, .adr-item:focus .adr-decision { max-height: 80px; opacity: 1; }

.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 48px; }
.pager-link { min-height: 76px; border: 1px solid var(--border); padding: 14px; text-decoration: none; display: flex; flex-direction: column; justify-content: center; background: var(--surface); }
.pager-link span { font-family: var(--mono); font-size: 11px; color: var(--text-muted); text-transform: uppercase; }
.pager-link.next { text-align: right; }
.site-footer { display: flex; justify-content: space-between; gap: 20px; padding: 22px 28px; border-top: 1px solid var(--border); color: var(--text-muted); font-family: var(--mono); font-size: 11px; text-transform: uppercase; }

@media (prefers-reduced-motion: no-preference) {
  .brand-dot::after { animation: pulse 1.8s ease-out infinite; }
  .time-colon { animation: blink 1s steps(1) infinite; }
  .flow-card { animation: flowPulse 5s linear infinite; }
  .flow-node { animation: flowDotPulse 5s linear infinite; }
  .flow-step-2 .flow-card, .flow-step-2 .flow-node { animation-delay: 1s; }
  .flow-step-3 .flow-card, .flow-step-3 .flow-node { animation-delay: 2s; }
  .flow-step-4 .flow-card, .flow-step-4 .flow-node { animation-delay: 3s; }
  .flow-step-5 .flow-card, .flow-step-5 .flow-node { animation-delay: 4s; }
  .flow-line { stroke-dasharray: 8 8; animation: dash 1.2s linear infinite; }
  .diagram-motion { stroke-dasharray: 9 13; animation: diagramDash 1.45s linear infinite; }
  .diagram-halo { opacity: 0; animation: diagramHalo 5s ease-in-out infinite; }
  .diagram-halo-2 { animation-delay: 0.9s; }
  .diagram-halo-3 { animation-delay: 1.8s; }
  .diagram-halo-4 { animation-delay: 2.7s; }
  .diagram-halo-5 { animation-delay: 3.6s; }
  .diagram-dot { animation: diagramDot 5s ease-in-out infinite; }
  .diagram-activation { animation: diagramActivation 3.8s ease-in-out infinite; }
  .endpoint-card:hover, .glossary-card:hover { transform: translateY(-2px); border-color: var(--border-strong); box-shadow: var(--shadow); }
  .has-js .scroll-fade { opacity: 1; transform: none; }
  .has-js .scroll-fade.is-visible { animation: fadeRise 360ms ease both; }
}

@keyframes pulse { from { transform: scale(0.8); opacity: 0.55; } to { transform: scale(1.8); opacity: 0; } }
@keyframes blink { 50% { opacity: 0; } }
@keyframes flowPulse { 0%, 18%, 100% { fill: var(--bg-elevated); stroke: var(--border-strong); } 8% { fill: color-mix(in srgb, var(--accent) 13%, var(--bg-elevated)); stroke: var(--accent); } }
@keyframes flowDotPulse { 0%, 18%, 100% { opacity: 0.62; } 8% { opacity: 1; } }
@keyframes dash { to { stroke-dashoffset: -16; } }
@keyframes diagramDash { to { stroke-dashoffset: -44; } }
@keyframes diagramHalo { 0%, 20%, 100% { opacity: 0; } 8% { opacity: 0.82; } }
@keyframes diagramDot { 0%, 20%, 100% { opacity: 0.55; } 8% { opacity: 1; } }
@keyframes diagramActivation { 0%, 100% { opacity: 0.35; } 45% { opacity: 0.78; } }
@keyframes fadeRise { from { opacity: 0.72; transform: translateY(10px); } to { opacity: 1; transform: none; } }

@media (max-width: 1040px) {
  .site-header { grid-template-columns: 1fr auto; }
  .site-nav { grid-column: 1 / -1; order: 3; padding-bottom: 10px; }
  .content-grid { grid-template-columns: 1fr; }
  .toc { position: static; max-height: none; border-left: 0; border-top: 1px solid var(--border); padding: 14px 0 0; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .endpoint-grid, .token-grid { grid-template-columns: 1fr 1fr; }
  .adr-rail { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .site-header { padding: 0 14px; gap: 10px; }
  .site-actions { width: 100%; grid-column: 1 / -1; padding-bottom: 10px; }
  .search, .search input { width: 100%; }
  .content-grid { padding: 24px 16px 56px; }
  .hero { margin: -24px -16px 32px; padding: 44px 16px 34px; }
  .hero-visual { min-height: 230px; }
  .endpoint-grid, .token-grid, .glossary-grid, .pager { grid-template-columns: 1fr; }
  .live-banner { grid-template-columns: 1fr; }
  .docs-article table { display: block; overflow-x: auto; }
  .docs-article h1 { font-size: 44px; }
}