*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--font-sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--color-bg:#fafafa;--color-fg:#111;--color-muted:#666;--max-width:640px}body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-fg);line-height:1.6;-webkit-font-smoothing:antialiased}main{max-width:var(--max-width);margin:0 auto;padding:4rem 1.5rem}.hero{margin-bottom:4rem}.hero h1{font-size:3rem;font-weight:700;letter-spacing:-.02em;margin-bottom:.5rem}.tagline{font-size:1.25rem;color:var(--color-fg)}.subtitle{font-size:1.125rem;color:var(--color-muted);margin-top:.25rem}.features{display:flex;flex-direction:column;gap:2.5rem}.feature h2{font-size:1.125rem;font-weight:600;margin-bottom:.25rem}.feature p{color:var(--color-muted)}