:root{--bg-dark:#09052d;--text-light:#ccfeff;--accent:#a4ffff}body{background-color:var(--bg-dark);color:var(--text-light);margin:0;font-family:Segoe UI,sans-serif}nav{justify-content:center;gap:30px;padding:2rem;display:flex}nav a{color:var(--text-light);letter-spacing:2px;font-weight:300;text-decoration:none}.container{text-align:center;max-width:800px;margin:60px auto;padding:20px}.card{background:#ffffff0d;border-radius:20px;padding:3rem}button{background:var(--accent);color:#1a0b2e;cursor:pointer;border:none;border-radius:50px;padding:15px 30px;font-weight:700;transition:opacity .3s}button:hover{opacity:.8}.card img{width:350px;padding-bottom:20px}