@layer utilities {
            .text-shadow {
                text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
            }
            .card-hover {
                transition: transform 0.3s ease, box-shadow 0.3s ease;
            }
            .card-hover:hover {
                transform: translateY(-5px);
                box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1);
            }
            .btn-pulse {
                animation: pulse 2s infinite;
            }
            @keyframes pulse {
                0% { transform: scale(1); }
                50% { transform: scale(1.05); }
                100% { transform: scale(1); }
            }
        }