:root{--ink:#1d2433;--muted:#5b6476;--line:#e3e6ec;--accent:#1f5fbf;--bg:#fbfaf7}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:48px 20px}
header{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:16px}
.brand{font-weight:700;font-size:20px;color:var(--ink);text-decoration:none}
nav a{color:var(--muted);text-decoration:none;margin-left:16px}
nav a:hover,a{color:var(--accent)}
h1{font-size:clamp(30px,6vw,44px);line-height:1.15;margin:48px 0 16px}
h2{font-size:21px;margin:32px 0 8px}
.lead{font-size:19px;color:var(--muted)}
ul{padding-left:20px}
.cta{display:inline-block;margin-top:24px;background:var(--accent);color:#fff;padding:12px 22px;border-radius:8px;text-decoration:none;font-weight:600}
footer{margin-top:64px;border-top:1px solid var(--line);padding-top:16px;color:var(--muted);font-size:14px}