$maximum-width: 1235px;
$fluid-breakpoint: $maximum-width + 20px;
$column-breakpoint: 700px;
$small-breakpoint: 960px;

.container {
  box-sizing: border-box;
  max-width: $maximum-width;
  margin: 0 auto;
  position: relative;

  @media screen and (max-width: $fluid-breakpoint) {
    width: 100%;
    padding: 0 10px;
  }
}

.show-xs,
.show-sm {
  display: none;
}

.show-m {
  display: block;
}

@media screen and (max-width: $small-breakpoint) {
  .hide-sm {
    display: none !important;
  }

  .show-sm {
    display: block !important;
  }
}

@media screen and (max-width: $column-breakpoint) {
  .hide-xs {
    display: none !important;
  }

  .show-xs {
    display: block !important;
  }
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -5px;

  @for $i from 1 through 15 {
    .column-#{$i} {
      box-sizing: border-box;
      min-height: 1px;
      flex: 0 0 percentage($i / 15);
      max-width: percentage($i / 15);
      padding: 0 5px;

      @media screen and (max-width: $small-breakpoint) {
        &-sm {
          box-sizing: border-box;
          min-height: 1px;
          flex: 0 0 percentage($i / 15);
          max-width: percentage($i / 15);
          padding: 0 5px;

          @media screen and (max-width: $column-breakpoint) {
            max-width: 100%;
            flex: 0 0 100%;
            margin-bottom: 10px;

            &:last-child {
              margin-bottom: 0;
            }
          }
        }
      }

      @media screen and (max-width: $column-breakpoint) {
        max-width: 100%;
        flex: 0 0 100%;
        margin-bottom: 10px;

        &:last-child {
          margin-bottom: 0;
        }
      }
    }
  }
}

.column-flex {
  display: flex;
  flex-direction: column;
}

.separator-or {
  position: relative;
  margin: 40px 0;
  text-align: center;

  &::before {
    content: "";
    display: block;
    width: 100%;
    height: 0;
    border-bottom: 1px solid rgba($ui-base-lighter-color, .6);
    position: absolute;
    top: 50%;
    left: 0;
  }

  span {
    display: inline-block;
    background: $ui-base-color;
    font-size: 12px;
    font-weight: 500;
    color: $ui-primary-color;
    text-transform: uppercase;
    position: relative;
    z-index: 1;
    padding: 0 8px;
    cursor: default;
  }
}

.landing-page {
  p,
  li {
    font-family: 'mastodon-font-sans-serif', sans-serif;
    font-size: 16px;
    font-weight: 400;
    font-size: 16px;
    line-height: 30px;
    margin-bottom: 12px;
    color: $ui-primary-color;

    a {
      color: $ui-highlight-color;
      text-decoration: underline;
    }
  }

  em {
    display: inline;
    margin: 0;
    padding: 0;
    font-weight: 700;
    background: transparent;
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: lighten($ui-primary-color, 10%);
  }

  h1 {
    font-family: 'mastodon-font-display', sans-serif;
    font-size: 26px;
    line-height: 30px;
    font-weight: 500;
    margin-bottom: 20px;
    color: $ui-secondary-color;

    small {
      font-family: 'mastodon-font-sans-serif', sans-serif;
      display: block;
      font-size: 18px;
      font-weight: 400;
      color: $ui-base-lighter-color;
    }
  }

  h2 {
    font-family: 'mastodon-font-display', sans-serif;
    font-size: 22px;
    line-height: 26px;
    font-weight: 500;
    margin-bottom: 20px;
    color: $ui-secondary-color;
  }

  h3 {
    font-family: 'mastodon-font-display', sans-serif;
    font-size: 18px;
    line-height: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: $ui-secondary-color;
  }

  h4 {
    font-family: 'mastodon-font-display', sans-serif;
    font-size: 16px;
    line-height: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: $ui-secondary-color;
  }

  h5 {
    font-family: 'mastodon-font-display', sans-serif;
    font-size: 14px;
    line-height: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: $ui-secondary-color;
  }

  h6 {
    font-family: 'mastodon-font-display', sans-serif;
    font-size: 12px;
    line-height: 24px;
    font-weight: 500;
    margin-bottom: 20px;
    color: $ui-secondary-color;
  }

  ul,
  ol {
    margin-left: 20px;

    &[type='a'] {
      list-style-type: lower-alpha;
    }

    &[type='i'] {
      list-style-type: lower-roman;
    }
  }

  ul {
    list-style: disc;
  }

  ol {
    list-style: decimal;
  }

  li > ol,
  li > ul {
    margin-top: 6px;
  }

  hr {
    width: 100%;
    height: 0;
    border: 0;
    border-bottom: 1px solid rgba($ui-base-lighter-color, .6);
    margin: 20px 0;
  }

  .container-alt {
    width: 100%;
    box-sizing: border-box;
    max-width: 800px;
    margin: 0 auto;
    word-wrap: break-word;
  }

  .header-wrapper {
    padding-top: 15px;
    background: $ui-base-color;
    background: linear-gradient(150deg, lighten($ui-base-color, 8%), $ui-base-color);
    position: relative;

    &.compact {
      background: $ui-base-color;
      padding-bottom: 15px;

      .hero .heading {
        padding-bottom: 20px;
        font-family: 'mastodon-font-sans-serif', sans-serif;
        font-size: 16px;
        font-weight: 400;
        font-size: 16px;
        line-height: 30px;
        color: $ui-primary-color;

        a {
          color: $ui-highlight-color;
          text-decoration: underline;
        }
      }
    }
  }

  .brand {
    a {
      padding-left: 0;
      padding-right: 0;
      color: $white;
    }

    img {
      height: 32px;
      position: relative;
      top: 4px;
      left: -10px;
    }
  }

  .header {
    line-height: 30px;
    overflow: hidden;

    .container-alt {
      display: flex;
      justify-content: space-between;
    }

    .links {
      position: relative;
      z-index: 4;

      a {
        display: flex;
        justify-content: center;
        align-items: center;
        color: $ui-primary-color;
        text-decoration: none;
        padding: 12px 16px;
        line-height: 32px;
        font-family: 'mastodon-font-display', sans-serif;
        font-weight: 500;
        font-size: 14px;

        &:hover {
          color: $ui-secondary-color;
        }
      }

      ul {
        list-style: none;
        margin: 0;

        li {
          display: inline-block;
          vertical-align: bottom;
          margin: 0;

          &:first-child a {
            padding-left: 0;
          }

          &:last-child a {
            padding-right: 0;
          }
        }
      }
    }

    .hero {
      margin-top: 50px;
      align-items: center;
      position: relative;

      .heading {
        position: relative;
        z-index: 4;
        padding-bottom: 150px;
      }

      .simple_form,
      .closed-registrations-message {
        background: darken($ui-base-color, 4%);
        width: 280px;
        padding: 15px 20px;
        border-radius: 4px 4px 0 0;
        line-height: initial;
        position: relative;
        z-index: 4;

        .actions {
          margin-bottom: 0;

          button,
          .button,
          .block-button {
            margin-bottom: 0;
          }
        }
      }

      .closed-registrations-message {
        min-height: 330px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;
      }
    }
  }

  .about-short {
    background: darken($ui-base-color, 4%);
    padding: 50px 0 30px;
    font-family: 'mastodon-font-sans-serif', sans-serif;
    font-size: 16px;
    font-weight: 400;
    font-size: 16px;
    line-height: 30px;
    color: $ui-primary-color;

    a {
      color: $ui-highlight-color;
      text-decoration: underline;
    }
  }

  .information-board {
    background: darken($ui-base-color, 4%);
    padding: 20px 0;

    .container-alt {
      position: relative;
      padding-right: 280px + 15px;
    }

    &__sections {
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
    }

    &__section {
      flex: 1 0 0;
      font-family: 'mastodon-font-sans-serif', sans-serif;
      font-size: 16px;
      line-height: 28px;
      color: $primary-text-color;
      text-align: right;
      padding: 10px 15px;

      span,
      strong {
        display: block;
      }

      span {
        &:last-child {
          color: $ui-secondary-color;
        }
      }

      strong {
        font-weight: 500;
        font-size: 32px;
        line-height: 48px;
      }

      @media screen and (max-width: $column-breakpoint) {
        text-align: center;
      }
    }

    .panel {
      position: absolute;
      width: 280px;
      box-sizing: border-box;
      background: darken($ui-base-color, 8%);
      padding: 20px;
      padding-top: 10px;
      border-radius: 4px 4px 0 0;
      right: 0;
      bottom: -40px;

      .panel-header {
        font-family: 'mastodon-font-display', sans-serif;
        font-size: 14px;
        line-height: 24px;
        font-weight: 500;
        color: $ui-primary-color;
        padding-bottom: 5px;
        margin-bottom: 15px;
        border-bottom: 1px solid lighten($ui-base-color, 4%);
        text-overflow: ellipsis;
        white-space: nowrap;
        overflow: hidden;

        a,
        span {
          font-weight: 400;
          color: darken($ui-primary-color, 10%);
        }

        a {
          text-decoration: none;
        }
      }
    }

    .owner {
      text-align: center;

      .avatar {
        width: 80px;
        height: 80px;
        margin: 0 auto;
        margin-bottom: 15px;

        img {
          display: block;
          width: 80px;
          height: 80px;
          border-radius: 48px;
        }
      }

      .name {
        font-size: 14px;

        a {
          display: block;
          color: $primary-text-color;
          text-decoration: none;

          &:hover {
            .display_name {
              text-decoration: underline;
            }
          }
        }

        .username {
          display: block;
          color: $ui-primary-color;
        }
      }
    }
  }

  &.alternative {
    padding: 10px 0;

    .brand {
      text-align: center;
      padding: 30px 0;
      margin-bottom: 10px;

      img {
        position: static;
      }

      @media screen and (max-width: $small-breakpoint) {
        padding: 15px 0;
      }

      @media screen and (max-width: $column-breakpoint) {
        padding: 0;
        margin-bottom: -10px;
      }
    }
  }

  &__information,
  &__forms {
    padding: 20px;
  }

  &__call-to-action {
    margin-bottom: 10px;
    background: darken($ui-base-color, 4%);
    border-radius: 4px;
    padding: 25px 40px;
    overflow: hidden;

    .row {
      align-items: center;
    }

    .information-board__section {
      padding: 0;
    }
  }

  &__logo {
    margin-right: 20px;

    img {
      height: 50px;
      width: auto;
      mix-blend-mode: lighten;
    }
  }

  &__information {
    padding: 45px 40px;
    margin-bottom: 10px;

    &:last-child {
      margin-bottom: 0;
    }

    @media screen and (max-width: $column-breakpoint) {
      padding: 25px 20px;
    }
  }

  &__information,
  &__forms,
  #mastodon-timeline {
    box-sizing: border-box;
    background: $ui-base-color;
    border-radius: 4px;
    box-shadow: 0 0 6px rgba($black, 0.1);
  }

  &__mascot {
    height: 104px;
    position: relative;
    left: -40px;
    bottom: 25px;

    img {
      height: 190px;
      width: auto;
    }
  }

  &__short-description {
    .row {
      align-items: center;
      margin-bottom: 40px;
    }

    @media screen and (max-width: $column-breakpoint) {
      .row {
        margin-bottom: 20px;
      }
    }

    p a {
      color: $ui-secondary-color;
    }

    h1 {
      font-weight: 500;
      color: $primary-text-color;
      margin-bottom: 0;

      small {
        color: $ui-primary-color;

        span {
          color: $ui-secondary-color;
        }
      }
    }

    p:last-child {
      margin-bottom: 0;
    }
  }

  &__hero {
    margin-bottom: 10px;

    img {
      display: block;
      margin: 0;
      max-width: 100%;
      height: auto;
      border-radius: 4px;
    }
  }

  &__forms {
    height: 100%;

    @media screen and (max-width: $small-breakpoint) {
      margin-bottom: 10px;
      height: auto;
    }

    @media screen and (max-width: $column-breakpoint) {
      background: transparent;
      box-shadow: none;
      padding: 0 20px;
      margin-top: 30px;
      margin-bottom: 40px;

      .separator-or {
        span {
          background: darken($ui-base-color, 8%);
        }
      }
    }

    hr {
      margin: 40px 0;
    }

    .button {
      display: block;
    }

    .subtle-hint a {
      text-decoration: none;

      &:hover,
      &:focus,
      &:active {
        text-decoration: underline;
      }
    }
  }

  #mastodon-timeline {
    display: flex;
    -webkit-overflow-scrolling: touch;
    -ms-overflow-style: -ms-autohiding-scrollbar;
    font-family: 'mastodon-font-sans-serif', sans-serif;
    font-size: 13px;
    line-height: 18px;
    font-weight: 400;
    color: $primary-text-color;
    width: 100%;
    flex: 1 1 auto;
    overflow: hidden;

    .column-header {
      color: inherit;
      font-family: inherit;
      font-size: 16px;
      line-height: inherit;
      font-weight: inherit;
      margin: 0;
      padding: 0;
    }

    .column {
      padding: 0;
      border-radius: 4px;
      overflow: hidden;
      width: 100%;
    }

    .scrollable {
      height: 400px;
    }

    p {
      font-size: inherit;
      line-height: inherit;
      font-weight: inherit;
      color: $primary-text-color;
      margin-bottom: 20px;

      &:last-child {
        margin-bottom: 0;
      }

      a {
        color: $ui-secondary-color;
        text-decoration: none;
      }
    }

    @media screen and (max-width: $column-breakpoint) {
      height: 90vh;
    }
  }

  &__features {
    .features-list {
      margin: 40px 0 !important;
    }

    &__action {
      text-align: center;
    }
  }

  .features-list {
    margin-top: 20px;

    .features-list__row {
      display: flex;
      padding: 10px 0;
      justify-content: space-between;

      &:first-child {
        padding-top: 0;
      }

      .visual {
        flex: 0 0 auto;
        display: flex;
        align-items: center;
        margin-left: 15px;

        .fa {
          display: block;
          color: $ui-primary-color;
          font-size: 48px;
        }
      }

      .text {
        font-size: 16px;
        line-height: 30px;
        color: $ui-primary-color;

        h6 {
          font-size: inherit;
          line-height: inherit;
          margin-bottom: 0;
        }
      }
    }
  }

  .extended-description {
    padding: 50px 0;
    font-family: 'mastodon-font-sans-serif', sans-serif;
    font-size: 16px;
    font-weight: 400;
    font-size: 16px;
    line-height: 30px;
    color: $ui-primary-color;

    a {
      color: $ui-highlight-color;
      text-decoration: underline;
    }
  }

  .footer-links {
    padding-bottom: 50px;
    text-align: right;
    color: $ui-base-lighter-color;

    p {
      font-size: 14px;
    }

    a {
      color: inherit;
      text-decoration: underline;
    }
  }

  &__footer {
    margin-top: 10px;
    text-align: center;
    color: $ui-base-lighter-color;

    p {
      font-size: 14px;

      a {
        color: inherit;
        text-decoration: underline;
      }
    }
  }

  @media screen and (max-width: 840px) {
    .container-alt {
      padding: 0 20px;
    }

    .information-board {
      .container-alt {
        padding-right: 20px;
      }

      .panel {
        position: static;
        margin-top: 20px;
        width: 100%;
        border-radius: 4px;

        .panel-header {
          text-align: center;
        }
      }
    }
  }

  @media screen and (max-width: 675px) {
    .header-wrapper {
      padding-top: 0;

      &.compact {
        padding-bottom: 0;
      }

      &.compact .hero .heading {
        text-align: initial;
      }
    }

    .header .container-alt,
    .features .container-alt {
      display: block;
    }

    .header {
      .links {
        padding-top: 15px;
        background: darken($ui-base-color, 4%);

        a {
          padding: 12px 8px;
        }

        .nav {
          display: flex;
          flex-flow: row wrap;
          justify-content: space-around;
        }

        .brand img {
          left: 0;
          top: 0;
        }
      }

      .hero {
        margin-top: 30px;
        padding: 0;

        .heading {
          padding: 30px 20px;
          text-align: center;
        }

        .simple_form,
        .closed-registrations-message {
          background: darken($ui-base-color, 8%);
          width: 100%;
          border-radius: 0;
          box-sizing: border-box;
        }
      }
    }
  }

  .cta {
    margin: 20px;
  }

  &.tag-page {
    .features {
      padding: 30px 0;

      .container-alt {
        max-width: 820px;

        #mastodon-timeline {
          margin-right: 0;
          border-top-right-radius: 0;
        }

        .about-mastodon {
          .about-hashtag {
            background: darken($ui-base-color, 4%);
            padding: 0 20px 20px 30px;
            border-radius: 0 5px 5px 0;

            .brand {
              padding-top: 20px;
              margin-bottom: 20px;

              img {
                height: 48px;
                width: auto;
              }
            }

            p {
              strong {
                color: $ui-secondary-color;
                font-weight: 700;
              }
            }

            .cta {
              margin: 0;

              .button {
                margin-right: 4px;
              }
            }
          }

          .features-list {
            margin-left: 30px;
            margin-right: 10px;
          }
        }
      }
    }

    @media screen and (max-width: 675px) {
      .features {
        padding: 10px 0;

        .container-alt {
          display: flex;
          flex-direction: column;

          #mastodon-timeline {
            order: 2;
            flex: 0 0 auto;
            height: 60vh;
            margin-bottom: 20px;
            border-top-right-radius: 4px;
          }

          .about-mastodon {
            order: 1;
            flex: 0 0 auto;
            max-width: 100%;

            .about-hashtag {
              background: unset;
              padding: 0;
              border-radius: 0;

              .cta {
                margin: 20px 0;
              }
            }

            .features-list {
              display: none;
            }
          }
        }
      }
    }
  }
}