/**
 * Site header
 */
.site-header {
  border-top: 5px solid;
  border-bottom: 1px solid;
  min-height: $spacing-unit * 1.865;
  line-height: $base-line-height * $base-font-size * 2.25;

  // Positioning context for the mobile navigation icon
  position: relative;
}

.site-title {
  @include relative-font-size(1.625);
  font-family: $title-font-family;
  letter-spacing: -1px;
  margin-bottom: 0;
  float: left;

  @include media-query($on-medium) {
    padding-right: 45px;
  }
}

.site-nav {
  position: absolute;
  top: 9px;
  right: $spacing-unit / 2;
  border: 1px solid;
  border-radius: 0.4em;
  text-align: right;

  .nav-trigger {
    display: none;
  }

  .menu-icon {
    float: right;
    width: 36px;
    height: 26px;
    line-height: 0;
    padding-top: 10px;
    text-align: center;
  }

  label[for="nav-trigger"] {
    display: block;
    float: right;
    width: 36px;
    height: 36px;
    z-index: 2;
    cursor: pointer;
  }

  input ~ .trigger {
    clear: both;
    display: none;
  }

  input:checked ~ .trigger {
    display: block;
    padding-bottom: 5px;
  }

  .page-link {
    line-height: $base-line-height * $base-font-size * 1.15;
    display: block;
    padding: 5px 5px;

    // Gaps between nav items, but not on the last one
    &:not(:last-child) {
      margin-right: 0;
    }
    margin-left: 10px;
  }

  .current-page {
    text-decoration: line-through;
  }

  @media screen and (min-width: $on-medium) {
    position: static;
    float: right;
    border: none;
    background-color: inherit;

    label[for="nav-trigger"] {
      display: none;
    }

    .menu-icon {
      display: none;
    }

    input ~ .trigger {
      display: block;
    }

    .page-link {
      display: inline;
      padding: 0;

      &:not(:last-child) {
        margin-right: 10px;
      }
      margin-left: auto;
    }
  }
}

/**
 * Homepage
 */
.home {
  margin-top: $spacing-unit;
}

.post-list-heading {
  @include relative-font-size(1.75);
}

.post-list {
  margin-left: 0;
  padding-left: 0;
  list-style: none;

  li {
    padding-bottom: $spacing-unit / 2;
    border-bottom: 1px solid;
    margin-bottom: 2 * $spacing-unit;
  }
}

.post-link {
  display: block;
  line-height: $base-line-height * $base-font-size * 2;
  @include relative-font-size(2);

  @media screen and (min-width: $on-large) {
    @include relative-font-size(2.236);
  }
}

/**
 * Pagination
 */
.pagination {
  list-style: none;
  margin: 0 auto;
  margin-bottom: $spacing-unit;
  display: table;

  li {
    float: left;
    margin: 5px 15px 5px 0;

    &:last-of-type { margin-right: 0 }

    a, div {
      display: block;
      padding: $spacing-unit / 4;
      border: 1px solid;
      min-width: 41px;
      text-align: center;
      box-sizing: border-box;
    }
  }
}

/**
 * Page content
 */
.page-content {
  flex: 1 0 auto;
}

/**
 * Posts
 */
.post-header {
  padding-top: $spacing-unit * 2.5;
  padding-bottom: $spacing-unit * 2.5;
  margin-bottom: $spacing-unit * 2;
}

.post-meta {
  @include relative-font-size(0.8);
  margin-bottom: $spacing-unit / 2;
}

.post-tag {
  margin-right: $spacing-unit / 2;
}

// Formula of calculating the relative font size of hn: 1 + 2 * 0.618^n

.post-title,
.post-content h1 {
  @include relative-font-size(2);
  font-weight: bold;
  letter-spacing: -1px;
  line-height: $base-line-height * $base-font-size * 2;

  @media screen and (min-width: $on-large) {
    @include relative-font-size(2.236);
  }
}

.post-content {
  font-family: $reading-font-family;
  margin-bottom: $spacing-unit;

  h2     { margin-top: $spacing-unit * 2 }
  h3, h4 { margin-top: $spacing-unit * 1.5 }
  h5, h6 { margin-top: $spacing-unit }

  h2 {
    @include relative-font-size(1.6);

    @media screen and (min-width: $on-large) {
      @include relative-font-size(1.764);
    }
  }

  h3 {
    @include relative-font-size(1.4);

    @media screen and (min-width: $on-large) {
      @include relative-font-size(1.472);
    }
  }

  h4 {
    @include relative-font-size(1.292);
  }

  h5 {
    @include relative-font-size(1.18);
  }

  h6 {
    @include relative-font-size(1.111);
  }
}

/**
 * Taxonomies
 */
.taxonomies {
  list-style: none;
  display: grid;
  grid-column-gap: 2em;
  grid-template-columns: repeat(3, 1fr);
  margin: 0;
  padding: 0;
  font-weight: bold;

  @include media-query($on-medium) {
    grid-template-columns: repeat(2, 1fr);
  }

  .taxonomy {
    display: flex;
    padding: 0.25em 0;
    justify-content: space-between;
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid;
    margin-bottom: $spacing-unit / 3;
  }
}

.post-list-by-taxonomy {
  time {
    font-family: $code-font-family;
    @include relative-font-size(0.9);
  }
}

.back-to-top {
  display: block;
  font-size: $base-font-size * 0.8;
  text-transform: uppercase;
  text-align: right;
  text-decoration: none;
}

/**
 * Alignment
 */
.align-right {
  margin-bottom: 1rem;
  margin-left: 1rem;
  float: right;
}

.align-left {
  margin-right: 1rem;
  margin-bottom: 1rem;
  float: left;
}

.align-center {
  display: block;
  margin-right: auto;
  margin-left: auto;
}

figcaption.align-right {
  text-align: right;
}

figcaption.align-left {
  text-align: left;
}

figcaption.align-center {
  text-align: center;
}

/**
 * Site footer
 */
.site-footer {
  border-top: 1px solid;
  padding: $spacing-unit 0;
  text-align: center;
  @include relative-font-size(0.8);

  .feed-subscribe {
    font-weight: bold;
    text-align: left;
    .feed-icon {
      margin-right: 0.3em;
    }
  }


  .social-icons {
    padding: $spacing-unit 0;

    .social-icon {
      margin: 0.3em;
    }
  }
}