:root{--bg:#fff;--fg:#111418;--muted:#5b6470;--rule:#d9dde3}@media (prefers-color-scheme:dark){:root{--bg:#0e1013;--fg:#eceff3;--muted:#9aa3ae;--rule:#2a2f36}}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg);margin:0;padding:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}body{flex-direction:column;min-height:100vh;display:flex}.page{flex:1}.main{max-width:48rem;margin:0 auto;padding:6rem 1rem}.main h1{margin:0;font-size:clamp(1.5rem,4vw,2.25rem);font-weight:600;line-height:1.25}.footer{border-top:1px solid var(--rule);text-align:center;color:var(--muted);padding:1rem;font-size:.875rem}.footer p{margin:0}