/* Soft Breathing Effect for Main Product Presentation */
        .breathe-effect {
            animation: breathe 4s ease-in-out infinite alternate;
        }
        @keyframes breathe {
            0% { box-shadow: 0 4px 15px rgba(0, 0, 0, 0.03); transform: translateY(0); }
            100% { box-shadow: 0 12px 30px rgba(0, 0, 0, 0.12); transform: translateY(-6px); }
        }