:root{--ink:#0A0A0A;--gray:#6B6B6B;--line:#E5E5E5;--bg:#FFFFFF}
*{box-sizing:border-box;margin:0}
body{font:16px/1.6 Inter,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--ink)}
header,footer{display:flex;justify-content:space-between;align-items:center;gap:16px;padding:20px 24px;border-bottom:1px solid var(--ink)}
footer{border-bottom:0;border-top:1px solid var(--line);color:var(--gray);font-size:14px;flex-wrap:wrap}
footer nav{display:flex;gap:16px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:600;text-decoration:none}
.brand img{width:40px;height:40px}
.btn{display:inline-block;background:var(--ink);color:#fff;padding:10px 18px;border-radius:6px;text-decoration:none;font-weight:600}
main{max-width:760px;margin:0 auto;padding:72px 24px}
h1{font-size:48px;line-height:1.1;letter-spacing:-.02em;margin-bottom:20px}
h1 span{color:var(--gray)}
h2{font-size:20px;margin:32px 0 8px}
p,li{margin-bottom:12px}
ul{padding-left:20px}
.lead{font-size:20px;color:var(--gray);margin-bottom:32px}
.muted{color:var(--gray);font-size:14px}
@media (max-width:600px){h1{font-size:34px}main{padding:48px 16px}header,footer{padding:16px}}