:root{--bg:#fbfaf7;--fg:#1d2433;--muted:#5b6475;--accent:#1f6f5c;--card:#ffffff;--line:#e4e1d9}
@media (prefers-color-scheme:dark){:root{--bg:#14171d;--fg:#eceae4;--muted:#a3a9b5;--card:#1c2028;--line:#2c313b}}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--fg)}
main{max-width:720px;margin:0 auto;padding:56px 20px}h1{font-size:2.1rem;line-height:1.2;margin:.2em 0}.tag{color:var(--accent);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:.8rem}
p.lead{color:var(--muted);font-size:1.1rem}ul{padding-left:1.2em}li{margin:.35em 0}
form{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0 8px}input[type=email]{flex:1 1 240px;padding:12px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--card);color:var(--fg)}
button{padding:12px 18px;border:0;border-radius:8px;background:var(--accent);color:#fff;font:inherit;font-weight:600;cursor:pointer}
.hp{position:absolute;left:-9999px}.small{font-size:.85rem;color:var(--muted)}footer{border-top:1px solid var(--line);margin-top:48px;padding-top:16px}a{color:var(--accent)}