:root{color-scheme:light dark;font-family:system-ui,-apple-system,BlinkMacSystemFont,sans-serif;line-height:1.65;background:light-dark(#f5f5f7,#111113);color:light-dark(#222,#eee)}*{box-sizing:border-box}body{max-width:760px;margin:auto;padding:24px}nav{display:flex;align-items:center;gap:24px;flex-wrap:wrap;padding:12px 0 36px}nav a:first-child{font-weight:700;margin-right:auto;color:inherit}a{color:light-dark(#005ec4,#8ac1ff);text-underline-offset:4px}nav a{text-decoration:none}main{background:light-dark(#fff,#1d1d20);border-radius:24px;padding:clamp(24px,5vw,48px)}h1{font-size:clamp(32px,6vw,46px);line-height:1.15;letter-spacing:-.04em;margin-top:0}h2{font-size:22px;line-height:1.3;margin-top:32px}p,ul,ol{margin:16px 0}.intro{font-size:20px}.muted,footer{color:light-dark(#626267,#b3b3ba)}footer{font-size:14px;padding:28px 0}.links{display:flex;gap:24px;flex-wrap:wrap}:focus-visible{outline:3px solid #007aff;outline-offset:5px}