:root{--bg:#fff;--text:#18181b;--muted:#52525b;--accent:#4f46e5}@media (prefers-color-scheme:dark){:root{--bg:#0f0f14;--text:#f4f4f5;--muted:#a1a1aa;--accent:#818cf8}}*{box-sizing:border-box;margin:0}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}.hero{text-align:center;place-content:center;min-height:100dvh;padding:1.5rem;display:grid}.hero h1{letter-spacing:-.03em;font-size:clamp(2.5rem,8vw,5rem);line-height:1.1}.hero h1:after{content:"";background:var(--accent);border-radius:2px;width:3rem;height:4px;margin:1.5rem auto;display:block}.hero p{color:var(--muted);font-size:clamp(1.1rem,2.5vw,1.4rem)}