/* helixor.dev — developer portal
   Tokens follow helixor-site/design-tokens.json (Inter + JetBrains Mono,
   near-black backgrounds, #38bdf8 primary blue, #00e5c8 teal, #f43f5e pink,
   #ffb300 amber). Light theme is portal-only: docs get read in daylight. */

:root {
  --bg: #080d12;
  --bg-raised: #0d151c;
  --panel: #141d24;
  --panel-2: #1a252d;
  --text: #f0f6ff;
  --text-2: rgba(240, 246, 255, 0.72);
  --text-3: rgba(240, 246, 255, 0.5);
  --border: rgba(56, 189, 248, 0.14);
  --border-strong: rgba(56, 189, 248, 0.28);
  --blue: #38bdf8;
  --cyan: #06b6d4;
  --teal: #00e5c8;
  --pink: #f43f5e;
  --amber: #ffb300;
  --link: #5ccbfa;
  --code-bg: #0a1117;
  --code-text: #d7e4f2;
  --tk-key: #7dd3fc;
  --tk-str: #5eead4;
  --tk-num: #fbbf24;
  --tk-com: #6b8196;
  --tk-fn: #c4b5fd;
  --tk-punc: #8fa6bb;
  --note: #38bdf8;
  --tip: #00e5c8;
  --warn: #ffb300;
  --danger: #f43f5e;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.45);
  --radius: 8px;
  --topbar-h: 60px;
  --sidebar-w: 272px;
  --toc-w: 220px;
  --font: Inter, system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #fbfcfe;
    --bg-raised: #ffffff;
    --panel: #f2f6fa;
    --panel-2: #e8eef4;
    --text: #0e1a24;
    --text-2: #3b4b5a;
    --text-3: #64748b;
    --border: rgba(14, 40, 65, 0.12);
    --border-strong: rgba(14, 40, 65, 0.22);
    --blue: #0284c7;
    --cyan: #0891b2;
    --teal: #0d9488;
    --pink: #e11d48;
    --amber: #b26a00;
    --link: #0369a1;
    --code-bg: #0e1a24;
    --shadow: 0 18px 48px rgba(14, 40, 65, 0.16);
    --note: #0284c7;
    --tip: #0d9488;
    --warn: #b26a00;
    --danger: #e11d48;
    color-scheme: light;
  }
}

:root[data-theme="light"] {
  --bg: #fbfcfe;
  --bg-raised: #ffffff;
  --panel: #f2f6fa;
  --panel-2: #e8eef4;
  --text: #0e1a24;
  --text-2: #3b4b5a;
  --text-3: #64748b;
  --border: rgba(14, 40, 65, 0.12);
  --border-strong: rgba(14, 40, 65, 0.22);
  --blue: #0284c7;
  --cyan: #0891b2;
  --teal: #0d9488;
  --pink: #e11d48;
  --amber: #b26a00;
  --link: #0369a1;
  --code-bg: #0e1a24;
  --shadow: 0 18px 48px rgba(14, 40, 65, 0.16);
  --note: #0284c7;
  --tip: #0d9488;
  --warn: #b26a00;
  --danger: #e11d48;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: calc(var(--topbar-h) + 16px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--blue); }
svg { flex-shrink: 0; }
img { max-width: 100%; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 4px; }

.skip-link { position: absolute; left: -999px; top: 8px; z-index: 300; background: var(--panel); padding: 8px 12px; border-radius: 6px; }
.skip-link:focus { left: 8px; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 100;
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 20px;
  padding: 0 20px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand:hover { color: var(--text); }
.brand-mark { width: 26px; height: 23px; }
.mark-slash { fill: currentColor; }
.mark-arc { fill: var(--blue); }
.brand-word { font-weight: 800; font-size: 1.12rem; letter-spacing: -0.02em; }
.brand-tag {
  font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--teal); border: 1px solid color-mix(in srgb, var(--teal) 40%, transparent);
  padding: 2px 7px; border-radius: 999px;
}
.topnav { display: flex; gap: 2px; margin-left: 8px; min-width: 0; }
.topnav a {
  font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text-2); text-decoration: none; padding: 8px 10px; border-radius: 6px; white-space: nowrap;
}
.topnav a:hover { color: var(--text); background: var(--panel); }
.topnav a.active { color: var(--blue); background: color-mix(in srgb, var(--blue) 10%, transparent); }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 8px; }
.icon-btn {
  display: inline-grid; place-items: center; width: 36px; height: 36px;
  border: 1px solid var(--border); border-radius: 8px; background: transparent; color: var(--text-2);
  cursor: pointer;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn svg, .search-btn svg, .search-field svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.menu-btn { display: none; }
.theme-btn .i-sun { display: none; }
:root[data-theme="light"] .theme-btn .i-sun { display: block; }
:root[data-theme="light"] .theme-btn .i-moon { display: none; }
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) .theme-btn .i-sun { display: block; }
  :root:not([data-theme="dark"]) .theme-btn .i-moon { display: none; }
}
.search-btn {
  display: flex; align-items: center; gap: 8px; height: 36px; min-width: 220px;
  padding: 0 10px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--panel); color: var(--text-3); font: inherit; font-size: 0.88rem; cursor: pointer;
}
.search-btn:hover { border-color: var(--border-strong); color: var(--text-2); }
.search-btn kbd { margin-left: auto; }
kbd {
  font-family: var(--mono); font-size: 0.7rem; padding: 1px 6px; border-radius: 4px;
  border: 1px solid var(--border-strong); color: var(--text-3); background: var(--bg);
}

/* ---------- shell ---------- */
.shell { display: flex; max-width: 1480px; margin: 0 auto; }
.sidebar {
  position: sticky; top: var(--topbar-h); align-self: flex-start;
  width: var(--sidebar-w); height: calc(100vh - var(--topbar-h));
  overflow-y: auto; border-right: 1px solid var(--border);
  padding: 20px 12px 40px 20px; flex-shrink: 0;
}
.nav-section { margin-bottom: 6px; }
.nav-section summary {
  list-style: none; cursor: pointer; padding: 7px 8px; border-radius: 6px;
  font-weight: 700; font-size: 0.92rem; color: var(--text);
  display: flex; align-items: center; justify-content: space-between;
}
.nav-section summary::-webkit-details-marker { display: none; }
.nav-section summary::after { content: "›"; color: var(--text-3); transition: transform 0.15s ease; font-size: 1.1rem; }
.nav-section[open] summary::after { transform: rotate(90deg); }
.nav-section summary:hover { background: var(--panel); }
.nav-group {
  margin: 12px 8px 4px; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--text-3);
}
.sidebar ul { list-style: none; margin: 0; padding: 0; }
.sidebar li a {
  display: block; padding: 5px 10px; margin: 1px 0; border-radius: 6px;
  font-size: 0.9rem; color: var(--text-2); text-decoration: none; border-left: 2px solid transparent;
}
.sidebar li a:hover { color: var(--text); background: var(--panel); }
.sidebar li a[aria-current="page"] {
  color: var(--blue); background: color-mix(in srgb, var(--blue) 9%, transparent);
  border-left-color: var(--blue); font-weight: 600;
}

.main { flex: 1; min-width: 0; display: flex; gap: 40px; padding: 32px 40px 80px; }
.doc-body { flex: 1; min-width: 0; max-width: 820px; }
.toc {
  width: var(--toc-w); flex-shrink: 0; position: sticky; top: calc(var(--topbar-h) + 32px);
  align-self: flex-start; max-height: calc(100vh - var(--topbar-h) - 64px); overflow-y: auto;
  font-size: 0.84rem;
}
.toc-title { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); margin: 0 0 10px; }
.toc ul { list-style: none; margin: 0; padding: 0; border-left: 1px solid var(--border); }
.toc li a { display: block; padding: 4px 0 4px 14px; margin-left: -1px; color: var(--text-3); text-decoration: none; border-left: 1px solid transparent; line-height: 1.4; }
.toc li.toc-h3 a { padding-left: 26px; }
.toc li a:hover { color: var(--text); }
.toc li a.active { color: var(--blue); border-left-color: var(--blue); }

/* ---------- typography ---------- */
.crumbs { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; min-height: 1em; margin-bottom: 10px; }
.crumbs a { color: var(--teal); text-decoration: none; }
.doc-body h1 { font-size: clamp(1.9rem, 3.4vw, 2.5rem); line-height: 1.15; letter-spacing: -0.025em; margin: 0 0 14px; font-weight: 800; }
.lede { font-size: 1.14rem; color: var(--text-2); margin: 0 0 28px; line-height: 1.6; }
.doc-body h2 { font-size: 1.5rem; letter-spacing: -0.015em; margin: 48px 0 14px; padding-top: 20px; border-top: 1px solid var(--border); line-height: 1.25; }
.doc-body h3 { font-size: 1.16rem; margin: 32px 0 10px; line-height: 1.3; }
.doc-body h4 { font-size: 1rem; margin: 24px 0 8px; }
.doc-body h2 .anchor, .doc-body h3 .anchor { margin-left: 8px; color: var(--text-3); text-decoration: none; opacity: 0; font-weight: 400; }
.doc-body h2:hover .anchor, .doc-body h3:hover .anchor { opacity: 1; }
.doc-body p, .doc-body li { color: var(--text-2); }
.doc-body strong { color: var(--text); }
.doc-body ul, .doc-body ol { padding-left: 1.4em; }
.doc-body li { margin: 4px 0; }
.doc-body hr { border: 0; border-top: 1px solid var(--border); margin: 36px 0; }
:not(pre) > code {
  font-family: var(--mono); font-size: 0.86em; padding: 1px 6px; border-radius: 5px;
  background: var(--panel); border: 1px solid var(--border); color: var(--text); word-break: break-word;
}

/* ---------- code blocks ---------- */
.code {
  position: relative; margin: 18px 0 24px; border: 1px solid var(--border);
  border-radius: var(--radius); background: var(--code-bg); overflow: hidden;
}
.code-head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 6px 8px 6px 14px; border-bottom: 1px solid rgba(56, 189, 248, 0.12);
  font-family: var(--mono); font-size: 0.72rem; color: #8fa6bb; background: #0c151c;
}
.code-head .lang { text-transform: uppercase; letter-spacing: 0.14em; font-size: 0.62rem; color: #5eead4; }
pre {
  margin: 0; padding: 14px 16px; overflow-x: auto; font-family: var(--mono);
  font-size: 0.84rem; line-height: 1.6; color: var(--code-text); tab-size: 4;
}
pre code { font-family: inherit; }
.copy-btn {
  font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: #8fa6bb; background: transparent; border: 1px solid rgba(143, 166, 187, 0.3);
  border-radius: 5px; padding: 3px 8px; cursor: pointer;
}
.copy-btn:hover { color: #f0f6ff; border-color: rgba(143, 166, 187, 0.6); }
.copy-btn.done { color: #5eead4; border-color: #5eead4; }
.tk-k { color: var(--tk-key); }
.tk-s { color: var(--tk-str); }
.tk-n { color: var(--tk-num); }
.tk-c { color: var(--tk-com); font-style: italic; }
.tk-f { color: var(--tk-fn); }
.tk-p { color: var(--tk-punc); }
.tk-o { color: #64d2ff; }
pre.output { color: #b9c9d8; }
.code.output .code-head .lang { color: #fbbf24; }

/* language tabs */
.tabs { margin: 18px 0 24px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--code-bg); }
.tab-list { display: flex; gap: 2px; padding: 6px 8px 0; background: #0c151c; border-bottom: 1px solid rgba(56, 189, 248, 0.12); overflow-x: auto; }
.tab-list button {
  font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.06em; color: #8fa6bb;
  background: transparent; border: 0; border-bottom: 2px solid transparent; padding: 8px 12px; cursor: pointer; white-space: nowrap;
}
.tab-list button[aria-selected="true"] { color: #f0f6ff; border-bottom-color: #38bdf8; }
.tabs .code { margin: 0; border: 0; border-radius: 0; }
.tab-panel[hidden] { display: none; }

/* ---------- callouts ---------- */
.callout {
  margin: 20px 0; padding: 14px 16px 14px 18px; border-radius: var(--radius);
  border: 1px solid color-mix(in srgb, var(--c) 32%, transparent);
  background: color-mix(in srgb, var(--c) 7%, transparent);
  border-left: 3px solid var(--c);
}
.callout > :first-child { margin-top: 0; }
.callout > :last-child { margin-bottom: 0; }
.callout-title { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--c); margin: 0 0 6px !important; font-weight: 700; }
.callout.note { --c: var(--note); }
.callout.tip { --c: var(--tip); }
.callout.warn { --c: var(--warn); }
.callout.danger { --c: var(--danger); }

/* ---------- tables ---------- */
.table-wrap { overflow-x: auto; margin: 18px 0 24px; border: 1px solid var(--border); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--text-3); background: var(--panel); font-weight: 600; }
td { color: var(--text-2); }
tr:last-child td { border-bottom: 0; }
td code { white-space: nowrap; }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin: 20px 0 28px; }
.card {
  display: block; padding: 18px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel); text-decoration: none; color: var(--text); transition: border-color 0.16s ease, transform 0.16s ease;
}
a.card:hover { border-color: var(--border-strong); transform: translateY(-2px); color: var(--text); }
.card h3, .card h4 { margin: 0 0 6px; font-size: 1rem; color: var(--text); }
.card p { margin: 0; font-size: 0.88rem; color: var(--text-2); }
.card .kicker { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal); display: block; margin-bottom: 8px; }

/* ---------- badges, steps, API blocks ---------- */
.badge {
  display: inline-block; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px; border: 1px solid color-mix(in srgb, var(--c, var(--blue)) 45%, transparent);
  color: var(--c, var(--blue)); background: color-mix(in srgb, var(--c, var(--blue)) 8%, transparent); vertical-align: middle; white-space: nowrap;
}
.badge.t0 { --c: var(--teal); }
.badge.t1 { --c: var(--blue); }
.badge.t2 { --c: var(--amber); }
.badge.t3 { --c: var(--pink); }
.badge.planned { --c: var(--text-3); }
.badge.preview { --c: var(--amber); }
.badge.available { --c: var(--teal); }
.meta-row { display: flex; flex-wrap: wrap; gap: 8px; margin: -12px 0 24px; }

ol.steps { list-style: none; counter-reset: step; padding-left: 0; }
ol.steps > li { counter-increment: step; position: relative; padding-left: 44px; margin: 0 0 22px; }
ol.steps > li::before {
  content: counter(step); position: absolute; left: 0; top: 0; width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; font-family: var(--mono); font-size: 0.78rem; font-weight: 700;
  color: var(--blue); border: 1px solid var(--border-strong); background: var(--panel);
}
ol.steps > li > strong:first-child { display: block; color: var(--text); margin-bottom: 4px; }

.api { margin: 26px 0 32px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.api-sig {
  margin: 0; padding: 12px 16px; background: var(--panel); border-bottom: 1px solid var(--border);
  font-family: var(--mono); font-size: 0.86rem; color: var(--text); overflow-x: auto; white-space: pre;
}
.api-sig .n { color: var(--blue); font-weight: 700; }
.api-body { padding: 4px 16px 8px; }
.api-body .table-wrap { margin: 12px 0; }
.params dt { font-family: var(--mono); font-size: 0.86rem; color: var(--text); margin-top: 12px; }
.params dt .type { color: var(--teal); margin-left: 8px; font-size: 0.8rem; }
.params dt .req { color: var(--pink); font-size: 0.7rem; margin-left: 6px; text-transform: uppercase; letter-spacing: 0.1em; }
.params dd { margin: 2px 0 0; color: var(--text-2); font-size: 0.92rem; }

.http-method { font-family: var(--mono); font-weight: 700; font-size: 0.74rem; padding: 2px 8px; border-radius: 5px; margin-right: 8px; }
.http-method.get { color: var(--teal); background: color-mix(in srgb, var(--teal) 12%, transparent); }
.http-method.post { color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, transparent); }
.http-method.ws { color: var(--amber); background: color-mix(in srgb, var(--amber) 12%, transparent); }

/* ---------- diagrams ---------- */
.figure { margin: 24px 0 30px; padding: 20px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg-raised); }
.figure svg { width: 100%; height: auto; display: block; }
.figure figcaption { margin-top: 12px; font-size: 0.84rem; color: var(--text-3); }
.dg-box { fill: var(--panel); stroke: var(--border-strong); stroke-width: 1.2; }
.dg-box.accent { stroke: var(--blue); }
.dg-box.trust { fill: color-mix(in srgb, var(--teal) 6%, transparent); stroke: var(--teal); stroke-dasharray: 6 5; }
.dg-box.warn { stroke: var(--amber); }
.dg-box.cloud { fill: color-mix(in srgb, var(--blue) 5%, transparent); stroke: var(--blue); stroke-dasharray: 3 4; }
.dg-t { fill: var(--text); font-family: var(--font); font-size: 13px; font-weight: 600; }
.dg-s { fill: var(--text-3); font-family: var(--mono); font-size: 10.5px; }
.dg-l { fill: var(--teal); font-family: var(--mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; }
.dg-line { stroke: var(--text-3); stroke-width: 1.4; fill: none; }
.dg-line.blue { stroke: var(--blue); }
.dg-line.dash { stroke-dasharray: 5 4; }
.dg-arrow { fill: var(--text-3); }
.dg-arrow.blue { fill: var(--blue); }

/* ---------- pager & footer ---------- */
.doc-footer { margin-top: 56px; }
.pager { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.pager a {
  display: block; padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px;
  text-decoration: none; color: var(--text); font-weight: 600;
}
.pager a:hover { border-color: var(--border-strong); color: var(--blue); }
.pager a span { display: block; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-3); font-weight: 500; margin-bottom: 4px; }
.pager-next { text-align: right; }
.edit-link { margin-top: 20px; font-size: 0.84rem; }
.edit-link a { color: var(--text-3); }
.site-footer {
  border-top: 1px solid var(--border); padding: 32px 40px 48px; display: flex; justify-content: space-between; gap: 32px;
  flex-wrap: wrap; font-size: 0.86rem; color: var(--text-3);
}
.site-footer ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 22px; flex-wrap: wrap; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.footer-brand { font-weight: 800; color: var(--text); margin: 0 0 4px; }
.footer-brand span { font-family: var(--mono); font-size: 0.66rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--teal); font-weight: 500; }
.footer-note { margin: 0; max-width: 460px; }

/* ---------- search ---------- */
.search-dialog { position: fixed; inset: 0; z-index: 400; background: rgba(2, 6, 10, 0.6); backdrop-filter: blur(3px); display: flex; justify-content: center; padding: 10vh 16px 16px; }
.search-dialog[hidden] { display: none; }
.search-panel { width: min(640px, 100%); max-height: 70vh; display: flex; flex-direction: column; background: var(--bg-raised); border: 1px solid var(--border-strong); border-radius: 12px; box-shadow: var(--shadow); overflow: hidden; }
.search-field { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border); color: var(--text-3); }
.search-field input { flex: 1; border: 0; outline: 0; background: transparent; color: var(--text); font: inherit; font-size: 1rem; }
.search-results { list-style: none; margin: 0; padding: 6px; overflow-y: auto; }
.search-results li a { display: block; padding: 10px 12px; border-radius: 8px; text-decoration: none; color: var(--text); }
.search-results li a small { display: block; color: var(--text-3); font-size: 0.8rem; margin-top: 2px; }
.search-results li a .sr-sec { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--teal); margin-right: 8px; }
.search-results li[aria-selected="true"] a, .search-results li a:hover { background: var(--panel); }
.search-results .empty { padding: 16px 12px; color: var(--text-3); font-size: 0.9rem; }
mark { background: color-mix(in srgb, var(--blue) 25%, transparent); color: inherit; border-radius: 2px; }

/* ---------- home ---------- */
body.home .sidebar, body.home .toc, body.home .crumbs, body.home .doc-footer { display: none; }
body.home .main { padding: 0; display: block; }
body.home .doc-body { max-width: none; }
.hero { position: relative; overflow: hidden; padding: 88px 40px 72px; border-bottom: 1px solid var(--border); }
.hero::before {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(600px 300px at 12% 10%, color-mix(in srgb, var(--blue) 16%, transparent), transparent 70%),
    radial-gradient(520px 280px at 88% 30%, color-mix(in srgb, var(--teal) 12%, transparent), transparent 70%);
}
.hero-inner { position: relative; max-width: 1180px; margin: 0 auto; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.eyebrow { font-family: var(--mono); font-size: 0.7rem; letter-spacing: 0.2em; text-transform: uppercase; color: var(--teal); margin: 0 0 16px; }
.hero h1 { font-size: clamp(2.2rem, 4.6vw, 3.4rem); line-height: 1.05; letter-spacing: -0.035em; margin: 0 0 18px; font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--blue); }
.hero .lede { font-size: 1.16rem; max-width: 560px; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 8px;
  font-family: var(--mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; font-weight: 700; border: 1px solid var(--border-strong); color: var(--text);
}
.btn.primary { background: var(--blue); border-color: var(--blue); color: #04121c; }
.btn.primary:hover { filter: brightness(1.08); color: #04121c; }
.btn:hover { border-color: var(--blue); color: var(--text); }
.hero .code { box-shadow: var(--shadow); }
.home-section { max-width: 1180px; margin: 0 auto; padding: 56px 40px; }
.home-section > h2 { border: 0; margin-top: 0; padding-top: 0; }
.home-section .section-lede { color: var(--text-2); max-width: 680px; margin: -4px 0 24px; }
.stat-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.stat { padding: 18px; border: 1px solid var(--border); border-radius: 10px; background: var(--panel); }
.stat b { display: block; font-size: 1.5rem; letter-spacing: -0.02em; color: var(--text); }
.stat span { font-size: 0.86rem; color: var(--text-2); }
.pathways { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.pathways .card { padding: 22px; }
.pathways .card .num { font-family: var(--mono); color: var(--blue); font-size: 0.8rem; }

/* ---------- responsive ---------- */
@media (max-width: 1200px) {
  .toc { display: none; }
}
@media (max-width: 1180px) {
  .topnav { display: none; }
  .search-btn { min-width: 0; }
}
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 900px) {
  .menu-btn { display: inline-grid; }
  .topnav { display: none; }
  .search-btn { min-width: 0; }
  .search-btn span, .search-btn kbd { display: none; }
  .sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; z-index: 90; height: auto;
    background: var(--bg); transform: translateX(-100%); transition: transform 0.2s ease; width: min(320px, 86vw);
    box-shadow: var(--shadow);
  }
  body.nav-open .sidebar { transform: none; }
  body.home .sidebar { display: block; }
  .main { padding: 24px 16px 64px; }
  .hero { padding: 56px 16px 48px; }
  .home-section { padding: 40px 16px; }
  .site-footer { padding: 28px 16px 40px; }
  .topbar { padding: 0 12px; gap: 10px; }
  .brand-tag { display: none; }
}
@media (max-width: 560px) {
  .pathways, .stat-row, .pager { grid-template-columns: 1fr; }
  .pager-next { text-align: left; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; scroll-behavior: auto !important; }
}