:root{--ink:#14213d;--muted:#5c677d;--acc:#1f4e79;--bg:#f7f8fa;--card:#fff;--line:#e3e7ee}
@media (prefers-color-scheme:dark){:root{--ink:#e8ecf3;--muted:#a3adbf;--acc:#7fb0e0;--bg:#0f141c;--card:#161d28;--line:#273244}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:720px;margin:0 auto;padding:56px 20px}
.sigla{font-weight:800;letter-spacing:.2em;color:var(--acc);margin:0 0 8px}
h1{font-size:2.2rem;margin:0}.sotto{color:var(--muted);margin:.3rem 0 2.5rem}
section{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px}
h2{font-size:1.05rem;margin:1.2rem 0 .4rem}section h2:first-child{margin-top:0}
dl{margin:0;display:grid;gap:10px}dl div{display:grid;grid-template-columns:160px 1fr;gap:12px}
dt{color:var(--muted)}dd{margin:0}@media(max-width:520px){dl div{grid-template-columns:1fr;gap:0}}
footer{display:flex;justify-content:space-between;margin-top:24px;color:var(--muted);font-size:.9rem}
a{color:var(--acc)}