* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 62.5%;
}

.container--loader {
    background-color: var(--black);
    position: fixed;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    transition: all 1.5s;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Loader animado estilo constructora */
.loader {
    position: relative;
    width: 8rem;
    height: 8rem;
    perspective: 100rem;
    transform-style: preserve-3d;
    animation: rotate 3s infinite linear;
}

.loader:before,
.loader:after {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
}

.loader:before {
    background: var(--blue);
    transform: rotateY(0deg) translateZ(4rem);
    box-shadow: 0 0 20px rgba(147, 186, 253, 0.5);
}

.loader:after {
    background: var(--green);
    transform: rotateY(90deg) translateZ(4rem);
    box-shadow: 0 0 20px rgba(201, 255, 223, 0.5);
}

@keyframes rotate {
    0% {
        transform: rotateY(0deg) rotateX(0deg);
    }
    50% {
        transform: rotateY(180deg) rotateX(180deg);
    }
    100% {
        transform: rotateY(360deg) rotateX(360deg);
    }
}