:root{--bg:#faf9f7;--card:#fff;--dark:#1f2937;--muted:#6b7280;--brand:#c2410c;--border:#e5e7eb}
*{box-sizing:border-box}body{margin:0;font:16px/1.65 system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;background:var(--bg);color:var(--dark)}
a{color:var(--brand)}header,main,footer{max-width:46rem;margin:0 auto;padding:1rem}
header{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.logo{font-weight:800;font-size:1.25rem;color:var(--dark);text-decoration:none}
.cta{display:inline-block;background:var(--brand);color:#fff;padding:.7rem 1.1rem;border-radius:.8rem;font-weight:700;text-decoration:none}
nav.crumbs{font-size:.85rem;color:var(--muted)}nav.crumbs a{color:var(--muted)}
h1{font-size:1.75rem;line-height:1.25;margin:.5rem 0 1rem}h2{font-size:1.2rem;margin:2rem 0 .5rem}
ul{padding-left:1.2rem}li{margin:.35rem 0}
.card{background:var(--card);border:1px solid var(--border);border-radius:1rem;padding:1rem 1.25rem;margin:1.5rem 0}
details{border:1px solid var(--border);border-radius:.8rem;padding:.6rem .9rem;margin:.6rem 0;background:var(--card)}summary{cursor:pointer;font-weight:700}
footer{color:var(--muted);font-size:.85rem;border-top:1px solid var(--border);margin-top:2rem}
.note{font-size:.85rem;color:var(--muted)}
@media (prefers-color-scheme:dark){:root{--bg:#111827;--card:#1f2937;--dark:#f3f4f6;--muted:#9ca3af;--border:#374151;--brand:#fb923c}.cta{color:#111827}}