:root{--fg:#1a1d21;--muted:#5b6570;--bg:#fff;--card:#f6f7f9;--line:#e3e6ea;--accent:#0f766e;--accent-warm:#b45309;--radius:12px;--maxw:940px}*{box-sizing:border-box}html,body{color:var(--fg);background:var(--bg);margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.55}.page{max-width:var(--maxw);margin:0 auto;padding:2rem 1.25rem 3rem}.masthead h1{margin:0 0 .35rem;font-size:clamp(1.8rem,4vw,2.6rem)}.lede{color:var(--muted);margin:0;font-size:1.1rem}.doors{grid-template-columns:1fr 1fr;gap:1rem;margin:1.75rem 0;display:grid}@media (max-width:640px){.doors{grid-template-columns:1fr}}.door{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem 1.2rem}.door h2{margin:0 0 .4rem;font-size:1.2rem}.actions{flex-wrap:wrap;gap:.75rem;margin:.75rem 0 0;display:flex}.actions a{color:var(--accent);font-weight:600;text-decoration:none}.actions a:hover{text-decoration:underline}.callout{border-left:4px solid var(--accent-warm);border-radius:0 var(--radius) var(--radius) 0;background:#fff8f0;margin:.5rem 0 1.5rem;padding:1rem 1.2rem}.callout h2{color:var(--accent-warm);margin:0 0 .4rem;font-size:1.1rem}.foot{color:var(--muted);border-top:1px solid var(--line);padding-top:1rem}