:root {
  --bg: #0d1117; --surface: #151b23; --surface-soft: #1b2430; --text: #f4f7fb;
  --muted: #aeb8c6; --line: rgba(255,255,255,.10); --accent: #86b7ff; --accent-strong: #b9d4ff;
  --max: 1120px; --radius: 20px; color-scheme: dark;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin:0; background:radial-gradient(circle at 80% -10%, rgba(78,123,255,.22), transparent 34rem),var(--bg); color:var(--text); font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif; line-height:1.6; }
a { color:inherit; }
a:focus-visible,button:focus-visible { outline:3px solid var(--accent); outline-offset:4px; }
.wrap { width:min(calc(100% - 2rem),var(--max)); margin-inline:auto; }
.site-header { position:sticky; top:0; z-index:10; border-bottom:1px solid var(--line); background:rgba(13,17,23,.88); backdrop-filter:blur(14px); }
.nav { min-height:72px; display:flex; align-items:center; justify-content:space-between; gap:1.5rem; }
.brand { display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto; min-width:126px; height:48px; padding:.25rem .55rem; border-radius:12px; background:rgba(244,247,251,.97); text-decoration:none; box-shadow:0 8px 24px rgba(0,0,0,.18); }
.brand-logo { display:block; width:112px; max-height:38px; object-fit:contain; }
.brand-icon { display:none; width:34px; height:34px; object-fit:contain; }
.nav-links { display:flex; align-items:center; gap:1rem; flex-wrap:wrap; }
.nav-links a { color:var(--muted); text-decoration:none; font-size:.95rem; }
.nav-links a:hover,.nav-links a[aria-current="page"] { color:var(--text); }
.button { display:inline-flex; align-items:center; justify-content:center; min-height:46px; padding:.72rem 1.05rem; border-radius:999px; text-decoration:none; font-weight:700; border:1px solid var(--line); }
.button.primary { background:var(--text); color:#0c1117; border-color:var(--text); }
.button.secondary { background:transparent; color:var(--text); }
.hero { padding:clamp(3.75rem,7vw,6rem) 0 4rem; }
.hero h1 { max-width:860px; font-size:clamp(2.75rem,5.5vw,4.9rem); line-height:1.02; letter-spacing:-.055em; }
.eyebrow { color:var(--accent-strong); font-weight:700; letter-spacing:.08em; text-transform:uppercase; font-size:.78rem; }
h1 { max-width:900px; font-size:clamp(2.7rem,6vw,5rem); line-height:1; letter-spacing:-.055em; margin:1rem 0 1.5rem; }
h2 { font-size:clamp(2rem,4vw,3.25rem); line-height:1.05; letter-spacing:-.04em; margin:0 0 1rem; }
h3 { margin-top:0; font-size:1.15rem; }
.lead { max-width:720px; color:var(--muted); font-size:clamp(1.1rem,2vw,1.35rem); }
.actions { display:flex; gap:.8rem; flex-wrap:wrap; margin-top:2rem; }
.section { padding:4.5rem 0; border-top:1px solid var(--line); }
.section-head { max-width:720px; margin-bottom:2rem; }
.section-head p,.card p,.muted { color:var(--muted); }
.grid { display:grid; grid-template-columns:repeat(3,1fr); gap:1rem; }
.card { min-height:210px; padding:1.5rem; border:1px solid var(--line); border-radius:var(--radius); background:linear-gradient(145deg,rgba(255,255,255,.035),rgba(255,255,255,.012)); }
.card .index { color:var(--accent-strong); font-size:.78rem; font-weight:800; letter-spacing:.08em; }
.split { display:grid; grid-template-columns:1.1fr .9fr; gap:2rem; align-items:start; }
.callout { padding:1.8rem; border-radius:var(--radius); background:var(--surface); border:1px solid var(--line); }
.kicker { font-size:clamp(2.2rem,5vw,4rem); letter-spacing:-.05em; line-height:1; margin:.6rem 0 1.2rem; }
.page-hero { padding:4.5rem 0 3.25rem; }
.page-hero h1 { font-size:clamp(2.5rem,5vw,4rem); line-height:1.03; }
.faq details { border-top:1px solid var(--line); padding:1.1rem 0; }
.faq details:last-child { border-bottom:1px solid var(--line); }
.faq summary { cursor:pointer; font-weight:700; }
.faq p { color:var(--muted); max-width:800px; }
.site-footer { border-top:1px solid var(--line); padding:2rem 0 3rem; color:var(--muted); }
.footer-row { display:flex; justify-content:space-between; gap:1rem; flex-wrap:wrap; }
.footer-row a { color:var(--muted); }
.notice { max-width:700px; padding:1.4rem; border:1px solid var(--line); border-radius:var(--radius); background:var(--surface); }

.suggestion-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:1rem; }
.suggestion-card { min-height:0; }
.suggestion-card.recommended { border-color:rgba(134,183,255,.42); box-shadow:0 0 0 1px rgba(134,183,255,.06),0 18px 50px rgba(0,0,0,.18); }
.suggestion-badge { display:inline-block; margin-left:.55rem; padding:.2rem .55rem; border:1px solid rgba(134,183,255,.28); border-radius:999px; color:var(--accent-strong); font-size:.7rem; font-weight:800; letter-spacing:.04em; text-transform:uppercase; }
.model-table { width:100%; border-collapse:collapse; margin:1.25rem 0 0; font-size:.94rem; }
.model-table td { padding:.62rem .2rem; border-top:1px solid var(--line); vertical-align:top; }
.model-table td:first-child { width:39%; color:var(--muted); }
.model-table td:last-child { font-weight:700; }
.suggestion-note { margin-top:1.15rem; padding:.85rem 1rem; border-radius:12px; background:rgba(255,255,255,.035); font-size:.9rem; }

.docs-shell { display:grid; grid-template-columns:250px minmax(0,1fr); gap:3rem; align-items:start; padding:3rem 0 5rem; }
.docs-sidebar { position:sticky; top:96px; padding:1.3rem; border:1px solid var(--line); border-radius:var(--radius); background:rgba(21,27,35,.84); }
.docs-sidebar .eyebrow { margin:.1rem 0 1rem; }
.docs-nav { display:flex; flex-direction:column; gap:.22rem; }
.docs-nav a,.docs-nav-group { display:block; border-radius:10px; padding:.56rem .65rem; text-decoration:none; font-size:.92rem; }
.docs-nav a { color:var(--muted); }
.docs-nav a:hover { color:var(--text); background:rgba(255,255,255,.04); }
.docs-nav a.active { color:var(--text); background:var(--surface-soft); font-weight:700; }
.docs-nav-group { color:var(--accent-strong); font-weight:700; padding-top:.85rem; }
.docs-content { min-width:0; max-width:790px; }
.docs-breadcrumb { display:flex; gap:.45rem; flex-wrap:wrap; margin-bottom:1.5rem; color:var(--muted); font-size:.86rem; }
.docs-breadcrumb a { color:var(--accent-strong); text-decoration:none; }
.docs-content h1 { max-width:760px; font-size:clamp(2.35rem,4.5vw,3.7rem); line-height:1.04; letter-spacing:-.045em; margin:.2rem 0 1.6rem; }
.docs-content h2 { margin:2.8rem 0 1rem; font-size:clamp(1.65rem,3vw,2.25rem); }
.docs-content h3 { margin:2rem 0 .7rem; font-size:1.28rem; }
.docs-content p,.docs-content li { color:var(--muted); }
.docs-content strong { color:var(--text); }
.docs-content a { color:var(--accent-strong); }
.docs-content hr { border:0; border-top:1px solid var(--line); margin:2.5rem 0; }
.docs-content blockquote { margin:1.5rem 0; padding:.9rem 1.1rem; border-left:3px solid var(--accent); background:rgba(255,255,255,.025); border-radius:0 12px 12px 0; }
.docs-content code { padding:.15rem .35rem; border-radius:6px; background:var(--surface-soft); color:var(--text); font-size:.9em; }
.docs-content pre { overflow:auto; padding:1rem; border:1px solid var(--line); border-radius:14px; background:#090d12; }
.docs-content pre code { padding:0; background:transparent; }
.docs-content table { width:100%; border-collapse:collapse; margin:1.5rem 0; }
.docs-content th,.docs-content td { padding:.7rem; border-bottom:1px solid var(--line); text-align:left; vertical-align:top; }
.docs-content th { color:var(--text); }
.docs-pager { display:grid; grid-template-columns:1fr 1fr; gap:1rem; margin-top:3.5rem; padding-top:1.5rem; border-top:1px solid var(--line); }
.docs-pager a { color:var(--accent-strong); text-decoration:none; }
.docs-pager a:last-child { text-align:right; }

@media (max-width:900px){.docs-shell{grid-template-columns:1fr;gap:1.5rem}.docs-sidebar{position:static}.docs-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:820px){.grid,.suggestion-grid{grid-template-columns:1fr}.split{grid-template-columns:1fr}.nav{align-items:flex-start;padding:1rem 0}.nav-links{justify-content:flex-end}}
@media (max-width:560px){.nav-links a:not(.button){display:none}.hero{padding-top:3.4rem}.card{min-height:auto}.brand{min-width:48px;width:48px;padding:.3rem}.brand-logo{display:none}.brand-icon{display:block}.docs-shell{padding-top:2rem}.docs-nav{grid-template-columns:1fr}.docs-content h1{font-size:2.25rem}.docs-pager{grid-template-columns:1fr}.docs-pager a:last-child{text-align:left}}