:root{--ink:#0f172a;--muted:#475569;--brand:#006aff;--line:#e2e8f0}
*{box-sizing:border-box}
body{margin:0;font:17px/1.7 Inter,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#fff}
header,main,footer{max-width:740px;margin:0 auto;padding:0 20px}
header{display:flex;align-items:center;justify-content:space-between;padding-top:20px;padding-bottom:20px;border-bottom:1px solid var(--line)}
header a.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--ink);text-decoration:none}
header img{width:32px;height:32px}
.cta{background:var(--brand);color:#fff;padding:9px 16px;border-radius:10px;font-weight:700;text-decoration:none}
.cta:hover{background:#0050c8}
h1{font-size:clamp(28px,5vw,40px);line-height:1.15;margin:36px 0 12px;letter-spacing:-.02em}
h2{font-size:23px;margin:36px 0 8px}
p,li{color:var(--muted)}
a{color:var(--brand)}
a:focus-visible,.cta:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.lead{font-size:19px}
.box{border:1px solid var(--line);border-radius:14px;padding:20px;margin:32px 0;background:#f8fafc}
.box p{margin:0 0 12px}
nav.more{margin:32px 0;padding-top:16px;border-top:1px solid var(--line)}
footer{padding-top:24px;padding-bottom:40px;font-size:14px;color:var(--muted)}