:root{color-scheme:light;--bg: #ffffff;--fg: #16181d;--muted: #6b7280;--accent: #2563eb}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--bg);color:var(--fg);font:16px/1.6 -apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}main{max-width:64rem;margin:0 auto;padding:2rem}.hero{max-width:40rem;margin:3rem auto;text-align:center}h1{font-size:2.5rem;margin:0 0 .5rem;letter-spacing:-.02em}.tagline{color:var(--accent);font-size:1.2rem;margin:0 0 1rem;font-weight:600}.intro{color:var(--muted);font-size:1rem}.trust-line{margin:1.5rem 0 0;padding:.75rem 1rem;border:1px solid var(--muted);border-radius:.5rem;font-size:.9rem;color:var(--muted)}.cta{display:inline-block;margin-top:1.5rem;padding:.75rem 1.75rem;border-radius:.5rem;background:var(--accent);color:#fff;font-weight:600;text-decoration:none}.features{margin:3rem 0}.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(14rem,1fr));gap:1.5rem}.feature-card{border:1px solid var(--muted);border-radius:.75rem;padding:1.5rem}.feature-card h2{font-size:1.1rem;margin:0 0 .5rem}.feature-card p{color:var(--muted);margin:0;font-size:.95rem}@media(max-width:480px){main{padding:1.25rem}h1{font-size:2rem}.feature-grid{grid-template-columns:1fr}}