:root{color-scheme:light dark;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.6}body{margin:0}main{max-width:720px;margin:0 auto;padding:3rem 1.25rem}header{margin-bottom:3rem}h1{font-size:2.25rem;margin:0 0 .5rem}h2{font-size:1.4rem;margin:2.5rem 0 1rem}h3{margin:0 0 .25rem;font-size:1.05rem}nav{display:flex;gap:1rem;margin-top:1rem}a{color:inherit}.grid{list-style:none;padding:0;display:grid;gap:1rem;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.grid li{border:1px solid color-mix(in srgb,currentColor 20%,transparent);border-radius:8px;padding:1rem}.grid p{margin:0;opacity:.8}