*{box-sizing:border-box}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:#0f172a;color:#e2e8f0}main{max-width:1100px;margin:0 auto;padding:3rem 1.5rem}.grid{display:grid;grid-gap:1rem;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));margin-top:1.5rem}.card{border:1px solid #1e293b;border-radius:.75rem;padding:1rem;background:#111827}