// -----------------------------------------------------------
// Site navigation desktop layout
//
// The main layout for the website navigation, for a desktop
// devices only.
// -----------------------------------------------------------
$absolute-navigation: true;
$nav-desktop-background-color: $color-blue-dark;
$hover-intent: .3s;

$nav-links: (
  'color': $color-white,
  'hover-color': $color-white,
  'font-weight': 700,
  'font-size': 1.6rem
);
$nav-dropdown-links: (
  'color': $color-blue,
  'hover-color': $color-cyan,
  'font-weight': 400,
  'font-size': 1.4rem
);

$dropdown: (
  'gap': 1rem,
  'width': 19rem
);

$dropdown-toggle: (
  'background': transparent,
  'border': none,
  'border-radius': 50%,
  'color': $color-cyan-bright,
  'size': 3rem,
  'arrow-size': 1rem
);

$dropdown-toggle-hover: (
  'background': $color-white,
  'border': 1px solid $color-white,
  'color': $color-blue,
);

$submenu-dropdown-toggle: (
  'background': transparent,
  'border': none,
  'border-radius': 0,
  'color': $color-blue,
  'size': 3rem,
  'arrow-size': 1rem
);

$submenu-dropdown-toggle-hover: (
  'background': $color-white,
  'border': none,
  'color': $color-blue,
);

@if $absolute-navigation == true {
  .nav-container {
    background-color: transparent;
    position: absolute;
    width: 100%;

    // Main level links
    .nav-primary > ul > li > a,
    .nav-primary > ul > li > button {
      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: $responsivenav) {
    .sub-menu {
      width: map-get($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;
      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,
      &: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: map-get($dropdown, 'width');
        visibility: visible;
        opacity: 1;
        transform: translateY(1.5rem);
        z-index: -1;
        transition: 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,
        &:hover > .sub-menu {
          visibility: visible;
          opacity: 1;
          z-index: 1;
          transform: translateY(0%);
          transition-delay: 0s, 0s, .3s;
        }
      }
    }
  }
} // @if $enable-animations == true

@media only screen and (min-width: $responsivenav) {
  .nav-container {
    background: $nav-desktop-background-color;
  }
  // 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;
    }
  }

  // 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;
      display: flex;
      align-items: center;
    }

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

      // Main level
      a {
        color: map-get($nav-links, 'color');
        font-size: map-get($nav-links, 'font-size');
        padding: 0 2rem;
        font-weight: map-get($nav-links, 'font-weight');
        display: inline-flex;
        align-items: center;
        min-height: map-get($dropdown-toggle, 'size');

        &.disabled {
          color: #bbb;
        }

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

      // Dropdowns
      ul {
        position: absolute;
        top: 100%;
        right: 0;
        width: map-get($dropdown, 'width');
        background: #fff;
        margin-left: 0;
        padding-bottom: .5rem;
        padding-top: .5rem;
        padding-left: 0;
        margin-top: map-get($dropdown, 'gap');
        z-index: 999;

        &.sub-menu {
          padding-left: 0;
          padding-top: .5rem;
          padding-bottom: .5rem;
        }

        &.sub-menu li {
          margin: 0;
        }

        li {
          float: none;
          width: map-get($dropdown, 'width');
          padding: 0;
        }

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

        a {
          padding: .8rem 1.5rem;
          font-size: map-get($nav-dropdown-links, 'font-size');
          font-weight: map-get($nav-dropdown-links, 'font-weight');
          color: map-get($nav-dropdown-links, 'color');
          display: block;
        }

        a:hover,
        a:focus,
        a:active,
        a.highlighted {
          color: map-get($nav-dropdown-links, 'hover-color');
        }

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

      // Sub-level toggle arrow
      ul li .dropdown-toggle {
        background-color: map-get($submenu-dropdown-toggle, 'background');
        border: map-get($submenu-dropdown-toggle, 'border');
        border-radius: map-get($submenu-dropdown-toggle, 'border-radius');
        color: map-get($submenu-dropdown-toggle, 'color');
        height: map-get($submenu-dropdown-toggle, 'size');
        width: map-get($submenu-dropdown-toggle, 'size');
        flex-shrink: 0;

        &:hover,
        &:active {
          background-color: map-get($submenu-dropdown-toggle, 'background');
          border: map-get($submenu-dropdown-toggle, 'border');
          color: map-get($submenu-dropdown-toggle, 'color');
        }

        svg {
          transform: rotate(-90deg) rotateX(0deg);
          width: map-get($submenu-dropdown-toggle, 'arrow-size');
          height: map-get($submenu-dropdown-toggle, 'arrow-size');
        }

        &.toggled-on svg {
          transform: rotate(-90deg) rotateX(180deg);
        }
      }

      // Main level toggle arrow
      button.dropdown-toggle {
        background-color: map-get($dropdown-toggle, 'background');
        border: map-get($dropdown-toggle, 'border');
        border-radius: map-get($dropdown-toggle, 'border-radius');
        color: map-get($dropdown-toggle, 'color');
        height: map-get($dropdown-toggle, 'size');
        width: map-get($dropdown-toggle, 'size');
        padding: 0;
        display: inline-flex;
        align-items: center;
        justify-content: center;

        svg {
          transition: transform .3s ease-in;
          width: map-get($dropdown-toggle, 'arrow-size');
          height: map-get($dropdown-toggle, 'arrow-size');
        }

        &:hover,
        &:active {
          background-color: map-get($dropdown-toggle-hover, 'background');
          border: map-get($dropdown-toggle-hover, 'border');
          color: map-get($dropdown-toggle-hover, 'color');
        }

        &.toggled-on svg {
          transform: rotateX(180deg);
        }
      }

      // 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;
      position: relative;
      display: flex;
      justify-content: space-between;

      // Add a pseudo element to fill the gap
      // between menu item and sub menu to help hovering
      &:after {
        display: block;
        position: absolute;
        content: '';
        height: map-get($dropdown, 'gap');
        width: 100%;
        top: 100%;
      }

      > a {
        // Let's make space for the nav-toggle/arrow
        padding-right: 1.5rem;
      }
    } // .menu-item.menu-item-has-children
    .sub-menu .menu-item-has-children {
      // Don't use gap filler in sub menu items
      &:after {
        display: none;
      }
    }
  }
} // @media only screen and (min-width: $responsivenav)