.btn {
    display: inline-block;
    background: linear-gradient(135deg, #d4af37, #b8860b);
    color: #1a1a2e;
    padding: 18px 50px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: bold;
    font-size: 18px;
    letter-spacing: 2px;
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 15px rgba(212, 175, 55, 0.4);
}