:root{color-scheme:light dark;--bg:#f7f7f5;--text:#171717;--muted:#666;--line:#ddd;--accent:#263b59}
@media(prefers-color-scheme:dark){:root{--bg:#111;--text:#f4f4f4;--muted:#aaa;--line:#333;--accent:#b7c9e2}}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
main{max-width:760px;margin:0 auto;padding:64px 24px 90px}nav{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:60px}a{color:var(--accent)}
nav a{text-decoration:none;font-weight:600}h1{font-size:clamp(2.2rem,7vw,4rem);line-height:1.08;letter-spacing:-.035em;margin:.15em 0 .4em}
h2{margin-top:2.1em;line-height:1.25}.lede{font-size:1.2rem;color:var(--muted);max-width:650px}
.small,footer{color:var(--muted);font-size:.92rem}footer{border-top:1px solid var(--line);padding-top:22px;margin-top:64px}
.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.78rem;font-weight:700;color:var(--muted)}