:root{--bg:#020617;--panel:#0f172a;--text:#e2e8f0;--muted:#94a3b8;--accent:#60a5fa;--line:#1e293b}
@media (prefers-color-scheme: light){:root:not([data-theme="dark"]){--bg:#f8fafc;--panel:#ffffff;--text:#0f172a;--muted:#475569;--accent:#1d4ed8;--line:#e2e8f0}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
.wrap{max-width:46rem;margin:0 auto;padding:0 16px}
header{border-bottom:1px solid var(--line)}
header .wrap{display:flex;flex-wrap:wrap;gap:.5rem 1.25rem;align-items:center;justify-content:space-between;padding-top:14px;padding-bottom:14px}
.brand{font-weight:700;font-size:1.2rem;text-decoration:none;color:var(--text)}
nav a{color:var(--muted);text-decoration:none;margin-right:1rem;font-size:.95rem}
nav a:hover{color:var(--text)}
main{padding:2rem 0 3rem}
h1{font-size:2rem;line-height:1.2;margin:.5rem 0 1rem}
h2{font-size:1.25rem;margin:2rem 0 .5rem}
.lede{color:var(--muted)}
.cta{display:inline-block;margin:1.5rem 0 0;padding:.7rem 1.2rem;border-radius:.6rem;background:var(--accent);color:var(--bg);font-weight:600;text-decoration:none}
.related{margin-top:2.5rem;padding:1rem 1.25rem;background:var(--panel);border:1px solid var(--line);border-radius:.75rem}
.related h2{margin-top:0;font-size:1rem}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:1.5rem 0 2.5rem}
footer a{color:var(--muted);margin-right:1rem}