/* Tesseract Animation */

.background-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.scene {
    position: absolute;
    width: 200px;
    height: 200px;
    perspective: 1000px;
}

/* Positioning random cubes */
.scene:nth-child(1) {
    top: 10%;
    left: 10%;
    transform: scale(0.8);
}

.scene:nth-child(2) {
    top: 60%;
    left: 80%;
    transform: scale(1.2);
}

.scene:nth-child(3) {
    top: 80%;
    left: 20%;
    transform: scale(0.6);
}

.scene:nth-child(4) {
    top: 20%;
    left: 70%;
    transform: scale(1.0);
}

.cube-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: rotate 20s infinite linear;
}

.cube {
    position: absolute;
    width: 100px;
    height: 100px;
    top: 50px;
    left: 50px;
    transform-style: preserve-3d;
}

.cube.outer {
    width: 200px;
    height: 200px;
    top: 0;
    left: 0;
}

.face {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 2px solid rgba(0, 0, 0, 0.1);
    background: rgba(204, 255, 0, 0.05);
    /* Faint acid green tint */
}

.outer .face {
    border: 2px solid rgba(0, 0, 0, 0.2);
}

/* Cube Faces */
.front {
    transform: rotateY(0deg) translateZ(50px);
}

.back {
    transform: rotateY(180deg) translateZ(50px);
}

.right {
    transform: rotateY(90deg) translateZ(50px);
}

.left {
    transform: rotateY(-90deg) translateZ(50px);
}

.top {
    transform: rotateX(90deg) translateZ(50px);
}

.bottom {
    transform: rotateX(-90deg) translateZ(50px);
}

/* Outer Cube Faces (translateZ is half of width 200px) */
.outer .front {
    transform: rotateY(0deg) translateZ(100px);
}

.outer .back {
    transform: rotateY(180deg) translateZ(100px);
}

.outer .right {
    transform: rotateY(90deg) translateZ(100px);
}

.outer .left {
    transform: rotateY(-90deg) translateZ(100px);
}

.outer .top {
    transform: rotateX(90deg) translateZ(100px);
}

.outer .bottom {
    transform: rotateX(-90deg) translateZ(100px);
}

@keyframes rotate {
    0% {
        transform: rotateX(0deg) rotateY(0deg);
    }

    100% {
        transform: rotateX(360deg) rotateY(360deg);
    }
}