*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,sans-serif;background:#f8fafc;color:#0f172a}.container{max-width:1100px;margin:0 auto;padding:2rem 1rem}.hero{text-align:center;padding:3rem 0}.hero h1{font-size:2.5rem;margin-bottom:.5rem}.plans{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.5rem}.plan-card{background:#fff;border:1px solid #e2e8f0;border-radius:12px;padding:1.5rem;box-shadow:0 1px 3px #0000000f}.plan-card h3{margin-top:0}.price{font-size:1.75rem;font-weight:700;color:#2563eb}.btn{display:inline-block;background:#2563eb;color:#fff;border:none;padding:.75rem 1.25rem;border-radius:8px;cursor:pointer;text-decoration:none;font-size:1rem}.btn:hover{background:#1d4ed8}.form{max-width:520px;margin:0 auto;background:#fff;padding:2rem;border-radius:12px;border:1px solid #e2e8f0}.form label{display:block;margin-bottom:.25rem;font-weight:500}.form input,.form select{width:100%;padding:.625rem;margin-bottom:1rem;border:1px solid #cbd5e1;border-radius:6px}.success{background:#ecfdf5;border:1px solid #6ee7b7;padding:1rem;border-radius:8px}.error{background:#fef2f2;border:1px solid #fca5a5;padding:1rem;border-radius:8px;color:#b91c1c}