body {
  background: #16191C;
  color: #6D737A;
  font-family: 'Open Sans', sans-serif;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

h1, h2, h3, h4 {
  font-family: 'Raleway', sans-serif;
  color: #fff;
  font-weight: 300;
}

a {
  color: #3F56D1;
}

header {
	background-color: #3e87ec;
  color: #FFF;
  height: 48px;
  width: 55px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 999;

  .hamburger-menu {
    display: inline-block;
    width: 35px;
    height: 48px;
    border: none;
    cursor: pointer;
    background: none;
    padding: 0;
    margin:0 10px;
    position: relative;

    &:focus {
      outline: none;
    }

    .bar,
    .bar:after,
    .bar:before {
      width: 35px;
      height: 1px;
    }

    .bar {
      position: relative;
      background: white;
      transition: all 0ms 300ms;
    }

    .bar.animate {
      background: rgba(255, 255, 255, 0);
    }

    .bar:before {
      content: "";
      position: absolute;
      left: 0;
      bottom: 10px;
      background: white;
      transition: bottom 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1), transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
    }

    .bar:after {
      content: "";
      position: absolute;
      left: 0;
      top: 10px;
      background: white;
      transition: top 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1), transform 300ms cubic-bezier(0.23, 1, 0.32, 1);
    }

    .bar.active:after {
      top: 0;
      transform: rotate(45deg);
      transition: top 300ms cubic-bezier(0.23, 1, 0.32, 1), transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
    }

    .bar.active:before {
      bottom: 0;
      transform: rotate(-45deg);
      transition: bottom 300ms cubic-bezier(0.23, 1, 0.32, 1), transform 300ms 300ms cubic-bezier(0.23, 1, 0.32, 1);
    }
  }
}

nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 998;
  background: rgba(0,0,0,.8);
  transition: background 100ms;

  ul,
  li {
    padding: 0;
    margin: 0;
    list-style: none;
  }

  ul {
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translateX(-50%);

    li {
      text-align: center;
    }

    button {
      cursor: pointer;
      color: #FFF;
      margin: 15px 0;
      padding: 5px 15px;
      border-top: none;
      border-left: none;
      border-right: none;
      border-bottom: solid 1px #fff;
      padding: 0;
      text-transform: uppercase;
      font-size: 1.8rem;
      background: none;
    }
  }
}

.container {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.vr-toggle {
  position: absolute;
  bottom: 10px;
  left: 10px;
  z-index: 999;

  .fullscreen-btn {
    display: inline-block;
    vertical-align: middle;
    width: 35px;
    height: 35px;
    background: url(../assets/fullscreen.png) no-repeat;
    background-size: contain;
    border: none;
    cursor: pointer;
    margin-right: 15px;

    &:hover,
    &:focus {
      outline: none;
    }
  }

  .vr-btn {
    display: inline-block;
    vertical-align: middle;
    width: 50px;
    height: 50px;
    background: url(../assets/cardboard.png) no-repeat;
    background-size: contain;
    border: none;

    filter: grayscale(100%);
    cursor: pointer;

    &:hover,
    &:focus {
      filter: grayscale(0);
      outline: none;
    }
  }

  .vr-desc {
    color: #FFF;
    font-size: 14px;
    line-height: 50px;
    display: inline-block;
    vertical-align: middle;
  }
}
