/* cover modal */
.cover {
  position: fixed;
  top: 0px;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 20;
  background: #131313;
}
.cover.hidden, .cover.uncover {
  animation: uncover 0.7s forwards;
}
@keyframes uncover {
  0% {
    opacity: 1;
    transform: scale(1);
    display: block;
  }
  99% {
    opacity: 0;
    transform: scale(1);
    display: block;
  }
  100% {
    opacity: 0;
    transform: scale(0);
    display: none;
  }
}

.logo-container {
  width: max(20vw, 20vh);
  transform: translateX(-50%);
  position: absolute;
  bottom: 50%;
  left: 50%;
}
.logo-container img {
  width: 100%;
  height: 100%;
}
.logo-container::before {
  content: "loading...";
  font-size: xx-small;
  color: ivory;
  position: absolute;
  bottom: 0;
  right: 0;
  z-index: 1;
}
.logo-container::after {
  content: "";
  width: 120%;
  height: 110%;
  position: absolute;
  top: -5%;
  left: -10%;
  z-index: 2;
  background: linear-gradient(
      45deg,
      transparent,
      transparent 26%,
      #fff 33%,
      transparent 40%,
      #fff 50%,
      transparent 60%
    )
    no-repeat;
  background-size: 200% 100%;
  animation: shine 2s infinite;
  border-radius: 4px;
}
@keyframes shine {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}