:root{--bg:#0f1115;--fg:#f4f4f5;--muted:#9ca3af;--accent:#6ea8fe;--font-sans:system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body{min-height:100%;margin:0;padding:0}body{background:var(--bg);color:var(--fg);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;line-height:1.5}.hero{text-align:center;flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:2rem;display:flex}.hero h1{letter-spacing:-.02em;margin:0 0 .5rem;font-size:clamp(3rem,10vw,6rem);font-weight:700}.tagline{color:var(--muted);margin:0;font-size:1.25rem}@media (prefers-color-scheme:light){:root{--bg:#fff;--fg:#18181b;--muted:#6b7280}}