:root{--bg:#0b0f17;--card:#121a27;--muted:#9fb0c5;--text:#e8eef7;--link:#7dd3fc;--border:#22324a;--code:#0a1220;}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.55 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.header{position:sticky;top:0;backdrop-filter:saturate(150%) blur(8px);background:rgba(11,15,23,.75);border-bottom:1px solid var(--border);z-index:10}
.wrap{max-width:1100px;margin:0 auto;padding:18px 18px}
.nav{display:flex;gap:14px;align-items:center;flex-wrap:wrap}
.brand{font-weight:700;letter-spacing:.3px}
.badge{display:inline-block;padding:2px 8px;border:1px solid var(--border);border-radius:999px;color:var(--muted);font-size:12px}
.hero{padding:28px 0 10px}
.h1{font-size:34px;line-height:1.15;margin:0 0 10px}
.p{color:var(--muted);margin:0 0 16px;max-width:75ch}
.grid{display:grid;grid-template-columns:repeat(12,1fr);gap:14px}
.card{grid-column:span 12;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
@media(min-width:860px){.card.half{grid-column:span 6}.card.third{grid-column:span 4}}
.kv{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.kv span{border:1px solid var(--border);border-radius:999px;padding:6px 10px;color:var(--muted);font-size:13px}
h2{margin:0 0 8px;font-size:20px}
h3{margin:18px 0 6px;font-size:16px}
ul{margin:10px 0 0 20px;color:var(--muted)}
code,pre{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}
pre{background:var(--code);border:1px solid var(--border);border-radius:14px;padding:12px;overflow:auto;color:var(--text);margin:10px 0}
.small{font-size:13px;color:var(--muted)}
.footer{border-top:1px solid var(--border);margin-top:22px;padding-top:14px}
.callout{border-left:3px solid var(--link);padding:10px 12px;background:rgba(125,211,252,.06);border-radius:10px;margin:12px 0;color:var(--muted)}
.table{width:100%;border-collapse:collapse;margin:10px 0}
.table th,.table td{border-bottom:1px solid var(--border);padding:10px;text-align:left;vertical-align:top}
.table th{color:var(--muted);font-weight:600}