:root{color-scheme:light;--ink:#20313d;--muted:#53626b;--line:#dce3e3;--accent:#1b615c}*{box-sizing:border-box}body{margin:0;background:#fafbf9;color:var(--ink);font:18px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main,footer{max-width:860px;margin:auto;padding:48px 32px}header{padding:12px 0 28px;border-bottom:1px solid var(--line)}.label{font-size:.85rem;letter-spacing:.08em;text-transform:uppercase;font-weight:700;color:var(--accent)}h1{font-size:clamp(2.1rem,5vw,3.3rem);line-height:1.14;letter-spacing:-.035em;max-width:740px;margin:18px 0}h2{font-size:1.65rem;line-height:1.3;letter-spacing:-.02em;margin:0 0 20px}.intro{font-size:1.2rem;color:var(--muted);max-width:720px}section{padding:36px 0;border-bottom:1px solid var(--line)}p{margin:0 0 20px}ul,ol{padding-left:28px}li{padding-left:5px;margin:0 0 18px}ol li{padding-bottom:16px}ol li::marker{font-weight:700;color:var(--accent)}.example{margin:26px 0}.example>div{display:grid;grid-template-columns:160px 1fr;gap:24px;padding:22px 0;border-top:1px solid var(--line)}dt{font-weight:700}dd{margin:0}.cta-block{padding:30px 0 0;border:0}.cta{display:inline-block;padding:13px 23px;background:var(--accent);color:white;text-decoration:none;border-radius:5px;font-weight:650;margin-bottom:18px}.cta-block p{font-size:1rem;color:var(--muted)}a{color:var(--accent);text-underline-offset:3px}a:focus-visible{outline:3px solid #d18124;outline-offset:5px}footer{border-top:1px solid var(--line);font-size:1rem;color:var(--muted);padding-top:28px;padding-bottom:36px}footer nav{display:flex;gap:14px 24px;flex-wrap:wrap}footer p{margin-bottom:12px}@media(max-width:600px){main,footer{padding-left:22px;padding-right:22px}main{padding-top:26px}body{font-size:17px}.example>div{display:block}.example dt{margin-bottom:9px}section{padding:29px 0}h2{font-size:1.45rem}ol,ul{padding-left:24px}}