*, *:before, *:after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
@font-face {
  src: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/Metropolis_1920.otf);
  font-family: metropolis;
}
@font-face {
  src: url(https://s3-us-west-2.amazonaws.com/s.cdpn.io/142996/PFSquareSansPro-Medium.otf);
  font-family: pfs-medium;
}
html, body {
  height: 100%;
  overflow: hidden;
}
.scene {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  perspective: 2000;
}
.platform {
  position: absolute;
  top: 5%;
  left: 5%;
  z-index: 5;
  width: 90%;
  height: 90%;
  padding: 5vh 4.5vw;
  transition: transform 0.08s linear;
  will-change: transform;
  transform-style: preserve-3d;
  perspective: 2000;
  
  &.inactive {
    transition: transform 0.5s;
    transform: rotateX(60deg) translateZ(-10rem);
  }
}

.element {
  position: relative;
  z-index: 10;
  width: 19vw;
  height: 39vh;
  display: inline-block;
  vertical-align: top;
  margin: 0 1vw 2vh 0;
  background: rgba(0,0,0, 0.2);
  transform: translateZ(1rem);
  transition: transform 0.3s, opacity 0.1s;
  will-change: transform;
  transform-style: preserve-3d;
  perspective: 2000;
  
  &.clicked {
    opacity: 0;
  }
  
  &:not(.duplicate) {
    cursor: pointer;
  }
  
  &.duplicate {
    position: fixed;
    z-index: 5000;
    transition: width 0.5s, height 0.5s, top 0.5s, left 0.5s, background-color 0.5s;
    
    &.active {
      width: 100vw;
      height: 100vh;
      top: 0 !important;
      left: 0 !important;
      background: #A04949;
    }
  }
  
  &:nth-child(4n) {
    margin-right: 0;
  }
  
  & > div {
    border: 1px solid #afafaf;
  }
  
  .content {
    display: none;
    border: none;
    padding: 2rem;
    width: 100%;
    height: 100%;
    overflow-y: auto;
    color: #f9bdbb;
    
    &.visible {
      
      .heading {
        transform: translateX(0);
      }
      
      .content-text {
        transform: scale(1);
        opacity: 1;
      }
      
      .close {
        transform: rotate(45deg);
        
      }
    }
    
    .heading {
      font-size: 4rem;
      text-transform: uppercase;
      font-family: pfs-medium;
      transition: transform 0.5s 0.1s;
      transform: translateX(-115%);
    }
    
    .content-text {
      font-family: pfs-medium;
      font-size: 2rem;
      transition: transform 0.5s 0.2s, opacity 0.3s 0.2s;
      transform-origin: 50% 80%;
      transform: scale(0.3);
      opacity: 0;
    }
    
    .close {
      position: absolute;
      top: -0.5rem;
      right: 1rem;
      font-family: metropolis, sans-serif;
      font-size: 4rem;
      color: #fff;
      transform: rotate(45deg) translateY(-5rem);
      cursor: pointer;
      transition: transform 0.5s 0.3s cubic-bezier(0.45, 0.25, 0.7, 1.8), color 0.3s;
      
      &:hover {
        color: #673ab7;
      }
    }
  }
  
  .back {
    position: absolute;
    top: 0.5vh;
    left: 0;
    width: 100%;
    height: 100%;
    height: calc(100% - 1vh);
    overflow: hidden;
  }
  
  .hover-text {
    position: absolute;
    top: 0;
    left: 0.5vw;
    max-width: 18vw;
    font-family: pfs-medium, sans-serif;
    color: #771E1E;
    font-size: 1.5vw;
    //transition: transform 3s;
    will-change: transform;
  }
  
  .side {
    position: absolute;
    background: rgba(0,0,0, 0.2);
    
    &.top, &.bottom {
      left: 0;
      width: 100%;
      height: 1.5rem;
    }
    &.top {
      top: 0;
      transform-origin: 50% 0%;
      transform: rotateX(90deg);
    }
    &.bottom {
      bottom: 0;
      transform-origin: 50% 100%;
      transform: rotateX(-90deg);
    }
    
    &.left, &.right {
      top: 0;
      width: 1.5rem;
      height: 100%;
    }
    &.left {
      left: 0;
      transform-origin: 0 50%;
      transform: rotateY(-90deg);
    }
    &.right {
      right: 0;
      transform-origin: 100% 50%;
      transform: rotateY(90deg);
    }
    
  }
  
  .face {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: translateZ(1.5rem);
    background: rgba(255,255,255, 0.8);
    transition: background-color 0.3s;
    will-change: background-color;
    font-family: metropolis, sans-sarif;
    font-size: 4vw;
    text-align: center;
    
    .front-text {
      color: #BB4141;
      margin: 0.5rem;
      text-transform: uppercase;
      transition: font-size 0s 0s, opacity 0.3s;
    }
  }
  &:not(.clicked):hover {
    transform: translateZ(3rem);
    
    .face {
      background-color: rgba(255,255,255, 0);
      height: 0;
      transition: background-color 0.3s, height 0 0.3s;
      
      .front-text {
        opacity: 0;
        font-size: 0;
        transition: opacity 0.3s, font-size 0 0.3s;
      }
    }
  }
}

label {
  font-family: pfs-medium;
}

.label-deg {
  position: absolute;
  top: 0;
  right: 0;
}
.label-text-hover {
  position: absolute;
  bottom: 0;
  right: 0;
}
input {
  z-index: 1000;
  width: 4rem;
  height: 1.5rem;
}