.main-header {
  @include transition($mobilenav-transition);
  @include stack($fae-nav-stack);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  background: $c-header-bg;
  border-top: $header-border-width solid var(--highlight-color);

  @include bp(large) {
    padding: 0 $content-buffer;
    position: relative;
  }

  a {
    display: block;
    padding: 15px 0;
    color: $c-darker-grey;

    @include bp(large) {
      padding-top: 27px;
      padding-bottom: 27px;
    }

    &:hover,
    &.-current,
    &.-parent-current {
      color: $c-white;
    }
  }

  li {
    display: inline-block;
    vertical-align: middle;
    position: relative;
  }

  h1 {
    display: inline-block;
    vertical-align: middle;
    line-height: 0.8;
    font-size: 16px;
    letter-spacing: 0.05em;
    text-transform: uppercase;

    a {
      color: $c-white;

      @include bp(medium-down) {
        text-align: left;
      }

      @include bp(large) {
        line-height: 1;
      }
    }
  }

  ul {
    ul {
      overflow: auto;
      max-height: 320px;
      scrollbar-track-color: $c-header-bg;
      scrollbar-face-color: $c-dark-grey;

      &::-webkit-scrollbar-thumb {
        background: none;
        border: 1px solid $c-mid-dark-grey;
        border-radius: 10px;
      }

      &::-webkit-scrollbar-track {
        background: none;
      }
    }
  }

  nav {
    display: none;
    vertical-align: middle;
    margin-left: $content-buffer;

    @include bp(large) {
      display: inline-block;
    }
  }
}

.main-header-nav, .utility-nav {
  @include transition(opacity .2s ease-in-out);

  a {
    // @include transition(color 0s);
    padding-left: 15px;
    padding-right: 15px;
  }

  > li {
    &:hover,
    &.-current,
    &.-parent-current {
      > a {
        color: $c-white;
      }
    }

    &.-parent-current {
      > a {
        background: var(--highlight-color);
      }
    }

    &:hover {
      ul {
        visibility: visible;
        opacity: 1;
      }
    }
  }

  ul {
    background: $c-header-bg;
    border-top: 1px solid $c-dark-grey;
    visibility: hidden;
    position: absolute;
    left: 0;
    opacity: 0;
    min-width: 160px;
    padding: 10px 10px 13px;
    line-height: 1.2;
    font-size: 15px;
    white-space: nowrap;

    li {
      display: block;
    }

    a {
      background: none;
      padding-top: 6px;
      padding-bottom: 6px;

      &:hover {
        background: none;
      }
    }
  }
}