/* Base Styles */

* {
    box-sizing: border-box;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #050505;
    overflow: hidden;
}

.logo {
    font-family: "Lato", Arial, sans-serif;
    font-size: calc(1em + 12vw);
    letter-spacing: 0.08em;
    color: #eee;
    text-transform: uppercase;
    white-space: nowrap;
    user-select: none;
}

/* Cuboid Positioning */

.cuboid,
.cuboid-face {
    display: inline-block;
}

.cuboid {
    font-size: 0.75em;
    position: relative;
    height: 0.5em;
    width: 1em;
    vertical-align: middle;
    transform-style: preserve-3d;
    transform: rotateX(-40deg) rotateY(-45deg);
    animation: rotateCuboid 3s ease-in-out infinite;
}

.cuboid-face {
    position: absolute;
    top: 0;
    width: 100%;
    height: 100%;
    border: 0.08em solid #eee;
}

.cuboid-face-top,
.cuboid-face-bottom {
    height: 1em;
}

.cuboid-face-front {
    transform: translateZ(0.5em);
    animation: faceFront 3s ease-in-out infinite;
}

.cuboid-face-back {
    transform: rotateY(180deg) translateZ(0.5em);
    animation: faceBack 3s ease-in-out infinite;
}

.cuboid-face-left {
    transform: rotateY(-90deg) translateZ(0.5em);
    animation: faceLeft 3s ease-in-out infinite;
}

.cuboid-face-right {
    transform: rotateY(90deg) translateZ(0.5em);
    animation: faceRight 3s ease-in-out infinite;
}

.cuboid-face-top {
    transform: rotateX(90deg) translateZ(0.5em);
}

.cuboid-face-bottom {
    transform: rotateX(-90deg);
}

/* Animations */

@keyframes faceFront {
    50% {
        transform: translateZ(0.7em);
    }
}

@keyframes faceBack {
    50% {
        transform: rotateY(180deg) translateZ(0.7em);
    }
}

@keyframes faceLeft {
    50% {
        transform: rotateY(-90deg) translateZ(0.7em);
    }
}

@keyframes faceRight {
    50% {
        transform: rotateY(90deg) translateZ(0.7em);
    }
}

@keyframes rotateCuboid {
    100% {
        transform: rotateX(-40deg) rotateY(-405deg);
    }
}