:root{--ink:#0f172a;--muted:#475569;--line:#e2e8f0;--bg:#f8fafc;--brand:#6d28d9}
@media (prefers-color-scheme:dark){:root{--ink:#e2e8f0;--muted:#94a3b8;--line:#1e293b;--bg:#0a0d18;--brand:#a78bfa}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:46rem;margin:0 auto;padding:3rem 1.25rem 5rem}h1{font-size:1.9rem;line-height:1.2;margin:0 0 .25rem}h2{font-size:1.15rem;margin:2.2rem 0 .5rem}
p,li{color:var(--muted)}a{color:var(--brand)}.meta{font-size:.9rem;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:1rem;margin-bottom:1.5rem}
nav{display:flex;gap:1rem;font-size:.9rem;margin-bottom:2rem}
.brand{display:inline-block;margin-bottom:1.5rem}.brand img{height:36px;width:auto;display:block}