/* Footer */
        footer {
            background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
            color: white;
            padding: 2rem;
            margin-top: 4rem;
            text-align: center;
            box-shadow: 0 -2px 8px rgba(0,0,0,0.1);
        }

        footer span {
            font-size: 1.1rem;
        }