@keyframes waveSlide {
    0% { background-position-x: 0; }
    100% { background-position-x: -800px; }
}
@keyframes waveBob {
    0%, 100% { transform: translate3d(0, -1px, 0); }
    50% { transform: translate3d(0, 1px, 0); }
}
@keyframes bubbleUp { 
    0% { transform: translateY(0) scale(1); opacity: 0; } 
    20% { opacity: 0.6; } 
    100% { transform: translateY(-120px) scale(1.2); opacity: 0; } 
}
@keyframes fadeUp { 
    from { opacity: 0; transform: translateY(8px); } 
    to { opacity: 1; transform: translateY(0); } 
}