body {
  margin: 0;
  font-family: helvetica, arial, sans-serif;
  font-weight: 300;
  letter-spacing: .1em;
  font-size: 1.1em;
}

.preloader {
  position: absolute;
  width: 100vw;
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: #343434;
  z-index: 10;
}

.logo {
  width: 80%;
  max-width: 540px;
  height: auto;
  margin-bottom: 30px;
}

.loader {
  margin-top: 20px;
}

.loader span {
  display: inline-block;
  width: 10px;
  height: 10px;
  background: #fff;
  border-radius: 50%;
  transform: scale(.6); opacity: .4;
  animation: grow 1s infinite ease;
}

.loader span:not(:last-of-type) {
  margin-right: 15px;
}

@keyframes grow {
  0% { transform: scale(.6); opacity: .4; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(.6); opacity: .4; }
}

.start {
  display: none;
  background: transparent;
  border: 2px solid #fff;
  color: #fff;
  padding: 7px 20px;
  cursor: pointer;
  transition: background .5s ease, color .5s ease;
}

.start:hover {
  background: #fff;
  color: #343434;
}

.hide-loader {
  animation: shrink-fadeout 1.5s forwards ease;
  pointer-events: none;
}

@keyframes shrink-fadeout {
  0% { clip-path: polygon(0% 0%, 100% 0%, 100% 100%, 0% 100%); opacity: 1; }
  100% { clip-path: polygon(4% 4%, 96% 4%, 96% 96%, 4% 96%); opacity: 0; }
}

.video-container {
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 1px;
  cursor: pointer;
}

video:not(.current) {
  display: none;
}