@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes appScroll {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

@keyframes layerFloat {
    0%, 100% { transform: rotateX(50deg) rotateZ(-45deg) translateY(0); }
    50% { transform: rotateX(50deg) rotateZ(-45deg) translateY(-8px); }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes iconGlow {
    0%, 100% { filter: drop-shadow(0 0 5px currentColor); }
    50% { filter: drop-shadow(0 0 15px currentColor); }
}