:root{--bg:#f6f5f1;--card:#ffffff;--ink:#1d2320;--muted:#5b6660;--accent:#4f6b3a;--line:#e2e0d8}
@media (prefers-color-scheme:dark){:root{--bg:#141714;--card:#1c201c;--ink:#e9ece7;--muted:#a3ada6;--accent:#9cc27a;--line:#2c322c}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
header{border-bottom:1px solid var(--line);background:var(--card)}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px;padding:14px 16px}
.brand{font-weight:700;font-size:20px;text-decoration:none;color:var(--ink)}
nav a{margin-left:14px;text-decoration:none;font-size:15px}
nav a:first-child{margin-left:0}
main{padding:28px 0 48px}
h1{font-size:32px;line-height:1.2;margin:0 0 12px}
h2{font-size:23px;margin:32px 0 8px}
h3{font-size:19px;margin:22px 0 6px}
.lead{font-size:19px;color:var(--muted)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:16px 0}
.cta{display:inline-block;background:var(--accent);color:#fff;padding:10px 18px;border-radius:8px;text-decoration:none;font-weight:600}
@media (prefers-color-scheme:dark){.cta{color:#141714}}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
footer{border-top:1px solid var(--line);padding:20px 0;color:var(--muted);font-size:14px}
footer a{margin-right:14px}