#animation-section {
    background-color: #000;
    z-index: 10;
}

#canvas-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}
#content-section {
    overflow-x: hidden;
    height: auto;
    z-index: 3;
}
.section {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.8s ease;
}
.active-section {
    opacity: 1;
    pointer-events: all;
}
#content-section.active-section {
    position: fixed;
    min-height: 100%;
}