/* Header */

#header {
  @include padding(5em, 5em, (0, 0, -2em, 0));
  text-align: center;
  height: 100vh;
  max-height: 100vh;

  h1 {
    margin: 0 0 (_size(element-margin) * 0.125) 0;
  }

  p {
    font-size: 1.5em;
    letter-spacing: _font(letter-spacing);
  }

  .description {
    display: block;
    margin-top: 1em;
  }

  &.alt {
    @include padding(6em, 5em, (1em, 0, 0, 0));

    h1 {
      font-size: 5em;
    }

    > * {
      @include vendor("transition", "opacity 3s ease");
      @include vendor("transition-delay", "0.5s");
      opacity: 1;
    }

    .logo {
      @include vendor(
        "transition",
        ("opacity 1.25s ease", "transform 0.5s ease")
      );
      @include vendor("transition-delay", "0s");
      display: block;
      margin: 0 0 (_size(element-margin) * 0.75) 0;

      img {
        display: block;
        margin: 0 auto;
        max-width: 500px;
      }
    }
  }

  @include breakpoint("<=large") {
    @include padding(4em, 4em, (0, 0, -2em, 0));

    &.alt {
      @include padding(5em, 4em, (1em, 0, 0, 0));
    }
  }

  @include breakpoint("<=medium") {
    @include padding(4em, 3em, (0, 0, -2em, 0));

    &.alt {
      @include padding(4em, 3em, (1em, 0, 0, 0));
    }
  }

  @include breakpoint("<=small") {
    @include padding(3em, 2em, (0, 0, -1em, 0));

    p {
      font-size: 1em;
      letter-spacing: 0;

      br {
        display: none;
      }
    }

    &.alt {
      @include padding(3em, 2em, (1em, 0, 0, 0));

      h1 {
        font-size: 2.5em;
      }
    }
  }

  @include breakpoint("<=xsmall") {
    @include padding(3em, 1.5em, (0, 0, -1em, 0));

    &.alt {
      @include padding(3em, 1.5em, (1em, 0, 0, 0));
    }
  }

  @include breakpoint("<=xxsmall") {
    @include padding(2.5em, 1em, (0, 0, -1em, 0));

    &.alt {
      @include padding(2.5em, 1em, (1em, 0, 0, 0));
    }
  }

  body.is-preload & {
    &.alt {
      > * {
        opacity: 0;
      }

      .logo {
        @include vendor("transform", "scale(0.8) rotate(-30deg)");
      }
    }
  }
}