@keyframes pulse {
        0%, 100% { transform: scale(1); opacity: 0.2; }
        50% { transform: scale(1.1); opacity: 0.3; }
    }
    
    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }
    
    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-20px); }
    }