:root{color-scheme:light dark;--ink:#202033;--muted:#616172;--paper:#f6f6fb;--card:#fff;--brand:#5146c4;--line:#dedeea}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
a{color:var(--brand);text-underline-offset:4px}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid var(--brand);outline-offset:5px;border-radius:3px}
header,main,footer{width:min(100% - 40px,900px);margin:auto}header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 0}
.brand{display:flex;gap:12px;align-items:center;color:var(--ink);text-decoration:none;font-weight:750;line-height:1.3}.brand img{width:52px;height:52px;border-radius:13px}
nav{display:flex;gap:20px}nav a{display:inline-block;padding:10px 0;font-size:15px}main{padding:32px 0 48px}h1,h2,h3{line-height:1.18;letter-spacing:-.025em}h1{font-size:clamp(34px,6vw,60px);margin:0 0 22px;max-width:720px}h2{font-size:26px;margin:38px 0 14px}h3{font-size:20px;margin:0 0 8px}p{margin:0 0 18px;max-width:760px}.lead{font-size:21px;color:var(--muted)}.eyebrow{color:var(--brand);font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}.cards{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:32px 0}.card{background:var(--card);border:1px solid var(--line);padding:26px;border-radius:22px}.card p:last-child{margin-bottom:0}.muted{color:var(--muted)}.notice{padding:18px 22px;border-left:4px solid var(--brand);background:var(--card);border-radius:0 12px 12px 0}.button{display:inline-block;padding:12px 20px;background:var(--brand);color:#fff;border-radius:13px;text-decoration:none;font-weight:650}footer{border-top:1px solid var(--line);padding:24px 0 36px;color:var(--muted);font-size:14px}ul,ol{padding-left:24px;max-width:750px}li{margin-bottom:9px}.skip{position:absolute;top:-80px;left:20px;padding:12px;background:var(--card);z-index:2}.skip:focus{top:12px}
@media(max-width:560px){header{align-items:flex-start;flex-direction:column;gap:8px}.cards{grid-template-columns:1fr}main{padding-top:20px}.lead{font-size:19px}.card{padding:22px}}
@media(prefers-color-scheme:dark){:root{--ink:#f1effa;--muted:#bcb9cd;--paper:#121218;--card:#1d1c29;--brand:#b5aeff;--line:#383647}.button{background:#5b4dca;color:#fff}}