html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;background-color:#0f172a;color:#e2e8f0}.container{width:80%;margin:auto}nav{position:sticky;top:0;z-index:1000}nav a{text-decoration:none;color:#e2e8f0;font-weight:500}nav a:hover{color:#22c55e}input,textarea,select{width:100%;padding:10px;margin-top:5px;background-color:#1e293b;border:1px solid #334155;color:#e2e8f0;border-radius:4px;outline:none;box-sizing:border-box}button{margin-top:15px;padding:10px;background-color:#f5f8f6;border:none;color:#000;font-weight:700;cursor:pointer;border-radius:4px}button:hover{background-color:#16a34a}.servicios-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:25px;width:80%;margin:auto}.card{background-color:#1e293b;padding:25px;border-radius:8px;border:1px solid #334155;transition:transform .2s ease,box-shadow .2s ease}.card:hover{transform:translateY(-5px);box-shadow:0 10px 20px #0000004d}.card h3{margin-top:0;color:#22c55e}