.fade-in-up {
            opacity: 1;
            transform: translateY(30px);
            transition: all 0.8s ease-out;
        }
        
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        .stagger-animation {
            animation-delay: calc(var(--stagger-delay, 0) * 150ms);
        }
        
        .hover-lift {
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .hover-lift:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        
        .pulse-gentle {
            animation: pulse-gentle 3s ease-in-out infinite;
        }
        
        @keyframes pulse-gentle {
            0%, 100% { transform: scale(1); }
            50% { transform: scale(1.02); }
        }
        
        .gradient-overlay {
            background: linear-gradient(135deg, rgba(55, 69, 72, 0.8), rgba(226, 76, 43, 0.1));
        }