:root{--bg:#f7f7f5;--fg:#1d1d1b;--muted:#5d5d58;--card:#fff;--line:#e2e2dc;--acc:#2f6f4f}
@media (prefers-color-scheme:dark){:root{--bg:#141413;--fg:#ececea;--muted:#a3a39c;--card:#1d1d1b;--line:#33332f;--acc:#7fc4a0}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:48px 16px 64px}
h1{font-size:1.9rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.15rem;margin:32px 0 8px}
p,li{color:var(--fg)}
.sotto{color:var(--muted);margin:0 0 32px}
section{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:8px 24px 16px;margin:0 0 24px}
a{color:var(--acc)}
nav{display:flex;gap:16px;flex-wrap:wrap;margin:0 0 32px;font-size:.95rem}
footer{color:var(--muted);font-size:.85rem;margin-top:40px}