/* Animation de réseau animé */
.network-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.network-animation canvas {
    display: block;
    width: 100%;
    height: 100%;
}