:root{color-scheme:light dark;--ink:#15212b;--coral:#d85d52;--paper:#f3f6f5;--muted:#647078}*{box-sizing:border-box}body{margin:0;font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink)}main{width:min(760px,calc(100% - 40px));margin:0 auto;padding:72px 0}.brand{color:var(--coral);font-weight:700;text-transform:uppercase}h1{font-size:clamp(2.2rem,8vw,4.5rem);line-height:1.02;margin:.15em 0}h2{margin-top:2.5rem}.lead{font-size:1.25rem;color:var(--muted)}nav{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0}a{color:inherit;font-weight:650;text-underline-offset:4px}nav a{padding:9px 14px;border:1px solid #aeb8bb;border-radius:6px;text-decoration:none}section{border-top:1px solid #cbd2d2;margin-top:36px;padding-top:18px}footer{margin-top:64px;color:var(--muted);font-size:.9rem}@media(prefers-color-scheme:dark){:root{--ink:#edf2f1;--paper:#111719;--muted:#aab4b7}section{border-color:#3a4446}}