// -----------------------------------------------------------
// Site navigation desktop layout
//
// The main layout for the website navigation, for a desktop
// devices only.
// -----------------------------------------------------------
$color-nav-dropdown-links: #333;
$color-nav-links: #333;
$color-nav-dropdown-links: #333;
$dropdown-width: 19rem;
$icon-arrow-right: '../svg/chevron-right-dark.svg';
$icon-arrow-down: '../svg/chevron-down-dark.svg';
$icon-arrow-left: '../svg/chevron-left-dark.svg';
$hover-intent: .3s;
$absolute-navigation: false;

@if $absolute-navigation == true {
  $icon-arrow-down: '../svg/chevron-down.svg';

  .nav-container {
    position: absolute;
    width: 100%;

    // Main level links
    .nav-primary > ul > li > a {
      color: #fff;
      position: relative;
    }

    .nav-primary > ul > li > a:hover {
      color: #fff;
    }
  }
}

// Set true/false in _nav-core.sccss
@if $enable-animations == true {
  @media only screen and (min-width: $responsivenav) {
    .sub-menu {
      width: $dropdown-width;
      visibility: hidden;
      opacity: 0;
      position: absolute;
      top: 100%;
      left: 0;
      transform: translateY(-2em);
      z-index: -1;
      transition: all .3s ease-in-out $hover-intent, visibility $hover-intent linear $hover-intent, z-index 0s linear .01s;

      @if $hover-intent == 0 {
        transition: all .3s ease-in-out 0s, visibility 0s linear .3s, z-index 0s linear .01s;
      }
    }

    .nav-primary ul .sub-menu.toggled-on {
      visibility: visible;
      opacity: 1;
      z-index: 1;
      transform: translateY(0%);
      transition-delay: 0s, 0s, .3s;
    }

    [data-whatinput="keyboard"] .sub-menu {
      transition: none;
      transition-delay: none;
      transform: none;
    }

    [data-whatinput="mouse"] .nav-primary ul .menu-item-has-children,
    [data-whatintent="mouse"] .nav-primary ul .menu-item-has-children {
      &:focus > .sub-menu,
      &:focus-within > .sub-menu,
      &:hover > .sub-menu {
        visibility: visible;
        opacity: 1;
        z-index: 1;
        transform: translateY(0%);
        transition-delay: 0s, 0s, .3s;
      }
    }

    // Disable all animations, enable hovers for no-js users
    .no-js {
      .sub-menu {
        width: $dropdown-width;
        visibility: hidden;
        opacity: 0;
        position: absolute;
        top: 100%;
        left: 0;
        transform: translateY(-2em);
        z-index: -1;
        transition: none;
        transition-delay: none;
      }

      .nav-primary ul .menu-item-has-children:focus > .sub-menu,
      .nav-primary ul .menu-item-has-children:focus-within > .sub-menu,
      .nav-primary ul .menu-item-has-children:hover > .sub-menu {
        visibility: visible;
        opacity: 1;
        z-index: 1;
        transform: translateY(0%);
        transition-delay: 0s, 0s, .3s;
      }
    }

    // Disable animations and improve styles on IE10 + IE11
    @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
      .nav-primary .menu-items .sub-menu {
        width: $dropdown-width;
        visibility: visible;
        opacity: 1;
        top: 0;
        transform: translateY(1.5rem);
        z-index: -1;
        transition: none;
        transition-delay: none;
        list-style-type: none;
        list-style: none;

        .menu-item {
          padding-top: 0;
          margin-top: 0;
          list-style-type: none;
          list-style: none;
        }

        .sub-menu.has-sub-menu {
          transform: translateY(0);
          padding-top: .5rem;
        }
      }

      .nav-primary ul .menu-item-has-children {
        &:focus > .sub-menu,
        &:focus-within > .sub-menu,
        &:hover > .sub-menu {
          visibility: visible;
          opacity: 1;
          z-index: 1;
          transform: translateY(0%);
          transition-delay: 0s, 0s, .3s;
        }
      }
    }
  }
}

@media only screen and (min-width: $responsivenav) {

  // Use display block based hovers if no animations enabled
  @if $enable-animations == false {
    // Enable hovers
    .nav-primary ul li:hover > ul {
      display: block;
    }

    // Support for non-js users
    .no-js .nav-primary ul li:hover > ul,
    .no-js .nav-primary ul li:focus > ul {
      display: block;
    }
  }

  @media only screen and (max-width: $responsivenav) {
    .nav-primary ul li:hover > ul {
      display: block;
    }
  }

  // Disable animations on IE10 + IE11
  @media screen and (-ms-high-contrast: active), (-ms-high-contrast: none) {
    // Enable hovers
    .nav-primary ul li:hover > ul {
      display: block;
    }
  }

  // Dropdown arrows for no-js users
  .no-js .nav-primary .menu-items .menu-item-has-children {
    &:after {
      @include vertical-align();
      text-indent: -9999px;
      overflow: hidden;
      margin-top: 0;
      margin-right: 0;
      right: 0;
      background-color: transparent;
      padding: 0;
      background-image: url($icon-arrow-down);
      background-repeat: no-repeat;
      background-position: center;
      color: transparent;
      position: absolute;
      height: 8px;
      width: 8px;
      border: 0;
      content: ' ';
      display: block;
    }

    .sub-menu .menu-item-has-children:after {
      position: absolute;
      right: 8px;
      top: 50%;
      margin-top: 0;
      padding: 0;
      text-indent: -9999px;
      overflow: hidden;
      background-color: transparent;
      background-image: url($icon-arrow-right);
      background-repeat: no-repeat;
      background-position: center;
      color: transparent;
      width: 12px;
      height: 12px;
      border: 0;
      content: ' ';
      display: block;
    }
  }

  // Make sure mobile nav-toggle is hidden on desktop
  .nav-toggle {
    display: none;
  }

  // Start navigation
  .nav-primary {
    // Set based on logo height, for example air logo is about 62px
    // menu links height are 12px, so paddings are (60/2)-12:
    padding-top: 1.7rem;
    padding-bottom: 1.7rem;
    float: right;

    .menu-items {
      margin: 0;
      padding: 0;
      background: transparent;
      position: relative;
      float: left;
    }

    // General menu items
    .menu-item {
      position: relative;
      float: left;
      margin: 0;

      // Main level
      a {
        color: $color-nav-links;
        font-size: 16px;
        padding: 20px 12px;
        font-weight: 600;

        &.disabled {
          color: #bbb;
        }

        // Actions in menu items
        &:hover,
        &:focus,
        &:active,
        &.highlighted,
        &.current {
          color: $color-nav-links;
        }
      }

      // Dropdowns
      ul {
        position: absolute;
        background: #fff;
        margin-left: 0;
        padding-bottom: .5rem;
        padding-top: .5rem;
        margin-top: 18px;
        z-index: 999;

        &.sub-menu {
          padding-top: .5rem;
          padding-bottom: .5rem;

          li {
            margin: 0;
          }
        }

        .dropdown-toggle {
          position: absolute;
          right: 1rem;
          top: .4rem;
          border: 0;
        }

        li {
          float: none;
          width: $dropdown-width;
          padding: 0;

          // Sub-level toggle arrow
          .dropdown-toggle {
            position: absolute;
            right: 8px;
            top: 50%;
            margin-top: 0;
            padding: 0;
            text-indent: -9999px;
            overflow: hidden;
            background-color: transparent;
            background-image: url($icon-arrow-right);
            background-repeat: no-repeat;
            background-position: center;
            color: transparent;
            width: 12px;
            height: 12px;
            border: 0;

            // Toggled state
            &.toggled-on {
              background-image: url($icon-arrow-left);
            }
          }

          // Prevent nav from flickering
          &.menu-item-has-children {
            a {
              // Let's make space for the arrow
              padding-right: 3.5rem;
              margin-right: 0;
              margin-bottom: 0;
              width: 100%;
            }
          }
        }

        ul {
          top: 0;
          left: 100%;
          margin-left: 0;
          margin-top: -5px;
        }

        a {
          padding: .8rem 1.5rem;
          font-size: 1.4rem;
          color: $color-nav-dropdown-links;
          display: block;

          &:hover,
          &:focus,
          &:active,
          &.highlighted {
            color: $color-links;
          }

          &.disabled {
            background: #fff;
            color: #ccc;
          }
        }
      }

      // Main level toggle arrow
      .dropdown-toggle {
        @include vertical-align();
        text-indent: -9999px;
        overflow: hidden;
        margin-top: 0;
        margin-right: 0;
        right: 0;
        background-color: transparent;
        padding: 0;
        background-image: url($icon-arrow-down);
        background-repeat: no-repeat;
        background-position: center;
        color: transparent;
        position: absolute;
        height: 8px;
        width: 8px;
        border: 0;
      }

      // Bubble arrow
      > li > ul:after {
        content: '';
        position: absolute;
        width: 0;
        height: 0;
        overflow: hidden;
        border-style: dashed dashed solid;
        top: -16px;
        left: 31px;
        border-width: 8px;
        border-color: transparent transparent #fff;
      }
    }

    // Prevent nav from flickering
    .menu-item.menu-item-has-children {
      margin-right: .8rem;

      > a {
        // Let's make space for the nav-toggle/arrow
        padding-right: 1.5rem;
        margin-bottom: .8rem;
      }
    }
  }
}