*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.6;color:#333;background:#fff}header{background:#1a1a2e;color:#fff;padding:1.5rem 0}header .container{max-width:1100px;margin:0 auto;padding:0 2rem;display:flex;justify-content:space-between;align-items:center}header h1{font-size:1.5rem}nav a{color:#e0e0e0;text-decoration:none;margin-left:2rem;font-size:.9rem}nav a:hover{color:#fff}.container{max-width:1100px;margin:0 auto;padding:0 2rem}.hero{padding:4rem 0;text-align:center;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);color:#fff}.hero h2{font-size:2.5rem;margin-bottom:1rem}.hero p{font-size:1.2rem;opacity:.9;max-width:600px;margin:0 auto}.section{padding:3rem 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:2rem;margin-top:2rem}.card{background:#f8f9fa;border-radius:8px;padding:2rem;border:1px solid #e9ecef}.card h3{margin-bottom:.5rem;color:#1a1a2e}footer{background:#1a1a2e;color:#999;text-align:center;padding:2rem 0;margin-top:3rem;font-size:.85rem}