:root{--bg:#fafaf8;--fg:#1a1a1a;--muted:#6b6b6b;--accent:#2f5bea;--line:#e6e4df;--card:#fff}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
a{color:var(--accent)}main{max-width:760px;margin:0 auto;padding:0 20px 80px}
header{display:flex;justify-content:space-between;align-items:center;padding:22px 0}
.logo{font-weight:700;font-size:20px;text-decoration:none;color:var(--fg)}.logo b{color:var(--accent)}
nav a{margin-left:18px;color:var(--muted);text-decoration:none;font-size:14.5px}
h1{font-size:40px;line-height:1.15;margin:60px 0 14px;letter-spacing:-.5px}h2{font-size:22px;margin:44px 0 10px}h3{font-size:16px;margin:22px 0 6px}
.lead{font-size:19px;color:var(--muted);max-width:600px}
.cta{display:inline-block;background:var(--accent);color:#fff;padding:12px 20px;border-radius:10px;text-decoration:none;font-weight:600;margin:20px 0 6px}
.note{font-size:13.5px;color:var(--muted)}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:24px 0}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:18px}.card h3{margin-top:0}.card p{margin:0;color:var(--muted);font-size:14.5px}
.plain{max-width:640px}.plain p,.plain li{color:#333}
footer{border-top:1px solid var(--line);margin-top:70px;padding-top:18px;font-size:13.5px;color:var(--muted)}
@media(max-width:600px){h1{font-size:30px}.grid{grid-template-columns:1fr}}