//
// HashiCorp Mega Nav
// --------------------------------------------------

$mega-nav-active-class:                 'is-active';

$mega-nav-font-family:                  'klavika-web', 'Open Sans', 'Helvetica Neue', Helvetica, Arial, sans-serif;

$mega-nav-font-size-base:               14px;
$mega-nav-font-size-h1:                 18px;
$mega-nav-font-size-h2:                 16px;
$mega-nav-font-size-h3:                 $mega-nav-font-size-base;
$mega-nav-font-size-small:              12px;

$mega-nav-font-size-h1-desktop:         28px;
$mega-nav-font-size-h2-desktop:         18px;
$mega-nav-font-size-h3-desktop:         18px;
$mega-nav-font-size-small-desktop:      14px;

$mega-nav-line-height-base:             19px;
$mega-nav-z-index:                      1100;

$mega-nav-color-black:                  black;
$mega-nav-color-white:                  white;
$mega-nav-color-neutral:                #a4b1b2;
$mega-nav-color-line:                   #d4dcdd;

$mega-nav-color-hashicorp:              #1563ff;

$mega-nav-suite-palette: (
  "vagrant"       #1563ff,
  "packer"        #1daeff,
  "terraform"     #5c4ee5,
  "vault"         #000,
  "nomad"         #25ba81,
  "consul"        #c62a71
);

$mega-nav-btn-height:                   36px;
$mega-nav-btn-font-size:                15px;

$mega-nav-banner-height:                48px;

$mega-nav-breakpoint-sm:                570px;
$mega-nav-breakpoint-md:                992px;
$mega-nav-breakpoint-lg:                1200px;


// bootstrap default container values
$mega-nav-grid-gutter-width:            (15px + 15px);
$mega-nav-container-width-md:           970px;
$mega-nav-container-width-lg:           1170px;


// avoid site style conflicts
$mega-nav-sandbox-name:                 'mega-nav-sandbox';
$mega-nav-sandbox-specificity:          4;


@function mega-nav-em($size, $base: $mega-nav-font-size-base) {
  @return $size / $base * 1em;
}


@function mega-nav-class-chain($class-name, $specificity: 1) {
  $selector-string: '.' + $class-name;

  @if ($specificity > 1) {
    @for $i from 1 through ($specificity - 1) {
      $selector-string: $selector-string + '.' + $class-name;
    }
  }

  @return $selector-string;
}


#{mega-nav-class-chain($mega-nav-sandbox-name, $mega-nav-sandbox-specificity)} {

  // sandbox reset
  * {
    font-size: 14px;
    letter-spacing: 0;
    line-height: 1.42857143;
    margin-bottom: 0;
    margin-top: 0;
    text-transform: none;
  }

  h1, h2, h3, h4, h5, h6 {
    line-height: 1.1;
  }
  // end sandbox reset


  .mega-nav-banner {
    background-color: $mega-nav-color-black;
    color: $mega-nav-color-white;
    font-family: $mega-nav-font-family;
    font-size: 16px;
    min-height: mega-nav-em(48px, 16px);

    &,
    > .container {
      align-items: center;
      display: flex;
    }

    .text-muted {
      color: $mega-nav-color-neutral;
    }

    .mega-nav-banner-logo {
      opacity: 1;

      &:hover {
        opacity: 0.7;
        transition: opacity .25s ease-in-out;
        -moz-transition: opacity .25s ease-in-out;
        -webkit-transition: opacity .25s ease-in-out;
      }
    }
  }

    .mega-nav-banner-item {
      &:first-child {
        display: none;
      }

      &:last-child {
        margin-left: auto;
      }
    }

  .mega-nav-tagline {
    align-items: center;
    display: inline-flex;
    margin-bottom: 0;
    vertical-align: -1px;

    > img {
      margin: 0 mega-nav-em(6px, 16px) 0 mega-nav-em(8px, 16px);
    }
  }

  .mega-nav {
    display: inline-block;
    font-family: $mega-nav-font-family;
    font-size: $mega-nav-font-size-base;
    line-height: $mega-nav-line-height-base / $mega-nav-font-size-base;
    margin-top: 3px;

    h1, h2, h3, h4, h5, h6,
    ul, p {
      margin-top: 0;
    }

    img {
      max-width: 100%;
    }

    &,
    & * {
      box-sizing: border-box;
      transition: background-color 0.25s ease,
                  border-color 0.25s ease,
                  color 0.25s ease,
                  fill 0.25s ease,
                  transform 0.25s ease,
                  stroke 0.25s ease;
    }

    .mega-nav-tagline + & {
      margin-left: mega-nav-em(8px, $mega-nav-font-size-base);
    }

    .visuallyhidden {
      border: 0;
      clip: rect(0 0 0 0);
      height: 1px;
      margin: -1px;
      overflow: hidden;
      padding: 0;
      position: absolute;
      white-space: nowrap;
      width: 1px;
    }
  }

  .mega-nav-icon {
    display: inline-block;
    fill: currentColor;
    height: 1em;
    margin-left: 0.3em;
    stroke: currentColor;
    width: 1em;
  }

  .mega-nav-icon-angle-right {
    height: 0.8em;
    transform: rotate(-90deg);
    width: 0.8em;
  }

  .open > .mega-nav-ctrl .mega-nav-icon-angle-right {
    transform: rotate(0);
  }

  .mega-nav-ctrl {
    align-items: center;
    background-color: transparent;
    border: 0;
    display: inline-flex;
    justify-content: center;
    margin-left: 0.3em;
    padding: 0;
    text-align: center;
    vertical-align: middle;

    &:active,
    &:focus,
    &:hover,
    &:visited {
      outline: none;
    }

    strong {
      margin: 0 0.5em;
    }
  }

  .mega-nav-icon-outline {
    border: 1px solid;
    margin-top: -3px;
    padding: 0.5em;

    .mega-nav-icon {
      display: block;
      margin: 0;
    }
  }

  .mega-nav-body-ct {
    bottom: 0;
    display: none;
    left: 0;
    overflow-y: auto;
    position: fixed;
    right: 0;
    top: 0;
    z-index: $mega-nav-z-index;
  }

  .mega-nav.open .mega-nav-body-ct {
    display: block;
  }

  .mega-nav-body {
    background-color: $mega-nav-color-white;
    box-shadow: 0 2px 16px rgba(#4f637a, 0.2);
    color: $mega-nav-color-black;
    margin: 1em;
    padding: 1em;
  }

  .mega-nav-body-footer {
    color: $mega-nav-color-neutral;
    display: none;

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

  }

  .mega-nav-close {
    align-items: center;
    background-color: transparent;
    border: 1px solid currentColor;
    display: inline-flex;
    float: right;
    justify-content: center;
    line-height: 1;
    margin-left: 1em;
    margin-bottom: 1em;
    padding: 0.5em;
    text-align: center;

    &:hover,
    &:focus {
      color: tint($mega-nav-color-black, 20);
      outline: none;
    }

    &:active {
      outline: none;
    }
  }

  .mega-nav-h1 {
    font-size: mega-nav-em($mega-nav-font-size-h1);
    font-weight: bold;
    margin-bottom: mega-nav-em(2px, $mega-nav-font-size-h1);
    text-transform: uppercase;
  }

  .mega-nav-h2 {
    color: $mega-nav-color-neutral;
    font-size: mega-nav-em($mega-nav-font-size-h2);
    font-weight: 500;
    margin-bottom: mega-nav-em($mega-nav-line-height-base, $mega-nav-font-size-h2);
    text-transform: uppercase;
  }

  .mega-nav-h3 {
    color: $mega-nav-color-neutral;
    font-size: mega-nav-em($mega-nav-font-size-h3);
    font-weight: 500;
    margin-bottom: mega-nav-em($mega-nav-font-size-h3 / 2, $mega-nav-font-size-h3);
    text-transform: uppercase;
  }

  .mega-nav-grid {
    list-style: none;
    margin-bottom: mega-nav-em($mega-nav-font-size-base);
    padding-left: 0;

    > li {
      display: flex;
    }
  }

  .mega-nav-grid-item {
    align-items: center;
    border: 1px solid $mega-nav-color-line;
    display: flex;
    margin-bottom: -1px;
    min-height: mega-nav-em(50px);
    padding: mega-nav-em(4px) mega-nav-em(10px);
    position: relative;
    width: 100%;

    &,
    &:hover,
    &:focus,
    &.#{$mega-nav-active-class} {
      color: inherit;
      text-decoration: none;
    }

    &:hover,
    &:focus,
    &.#{$mega-nav-active-class} {
      border-color: shade($mega-nav-color-line, 10);
      z-index: 1;
    }

    > b {
      display: block;
      font-size: mega-nav-em($mega-nav-font-size-h1);
      font-weight: 600;
      letter-spacing: -0.02em;
    }

    > ul {
      list-style: none;
      margin-left: auto;
      padding-left: 0;
      text-align: right;

      > li + li {
        margin-top: mega-nav-em(4px);
      }
    }
  }

  @each $suite-item in $mega-nav-suite-palette {
    $suite-item-name:    nth($suite-item, 1);
    $suite-item-color:   nth($suite-item, 2);

    .mega-nav-grid-item-#{$suite-item-name} {
      &:hover,
      &:focus,
      &.#{$mega-nav-active-class} {
        border-color: $suite-item-color;
      }
    }
  }

  .mega-nav-grid-item-img {
    margin-right: mega-nav-em($mega-nav-line-height-base / 2);
    text-align: center;
    width: mega-nav-em(28px);

    > img {
      max-height: mega-nav-em(28px);
    }
  }

  .mega-nav-tag {
    background-color: $mega-nav-color-white;
    border: 1px solid currentColor;
    color: $mega-nav-color-neutral;
    display: inline-block;
    font-size: mega-nav-em($mega-nav-font-size-small);
    line-height: 1;
    font-weight: 500;
    padding: mega-nav-em(2px, $mega-nav-font-size-small) mega-nav-em(3px, $mega-nav-font-size-small);
    text-transform: uppercase;
  }

  .mega-nav-grid-item:hover .mega-nav-tag,
  .mega-nav-grid-item:focus .mega-nav-tag,
  .mega-nav-grid-item.#{$mega-nav-active-class} .mega-nav-tag,
  .mega-nav-tag:hover,
  .mega-nav-tag:focus {
    background-color: shade($mega-nav-color-neutral, 10);
    border-color: shade($mega-nav-color-neutral, 10);
    color: $mega-nav-color-white;
  }

  @each $suite-item in $mega-nav-suite-palette {
    $suite-item-name:    nth($suite-item, 1);
    $suite-item-color:   nth($suite-item, 2);

    .mega-nav-grid-item-#{$suite-item-name}:hover .mega-nav-tag,
    .mega-nav-grid-item-#{$suite-item-name}:focus .mega-nav-tag,
    .mega-nav-grid-item-#{$suite-item-name}.#{$mega-nav-active-class} .mega-nav-tag,
    .mega-nav-tag-#{$suite-item-name}:hover,
    .mega-nav-tag-#{$suite-item-name}:focus {
      background-color: $suite-item-color;
      border-color: $suite-item-color;
    }
  }

  .mega-nav-btn {
    align-items: center;
    background-color: $mega-nav-color-hashicorp;
    box-shadow: 3px 3px 0 rgba($mega-nav-color-hashicorp, 0.32);
    display: inline-flex;
    font-size: mega-nav-em($mega-nav-btn-font-size);
    font-weight: 500;
    line-height: 1;
    margin-bottom: mega-nav-em($mega-nav-line-height-base, $mega-nav-btn-font-size);
    padding: mega-nav-em(($mega-nav-btn-height - $mega-nav-btn-font-size) / 2, $mega-nav-btn-font-size);
    text-transform: uppercase;
    width: 100%;

    &,
    &:hover,
    &:focus {
      color: $mega-nav-color-white;
      text-decoration: none;
    }

    &:hover,
    &:focus {
      background-color: tint($mega-nav-color-hashicorp, 10);
    }

    > img:first-child {
      margin-right: mega-nav-em($mega-nav-line-height-base / 2, $mega-nav-btn-font-size);
    }

    > svg:last-child {
      margin-left: mega-nav-em($mega-nav-line-height-base / 2, $mega-nav-btn-font-size);
    }

    &:hover > .mega-nav-icon-angle-right:last-child,
    &:focus > .mega-nav-icon-angle-right:last-child {
      transform: translateX(3px) rotate(-90deg);
    }
  }

  @media (min-width: $mega-nav-breakpoint-sm) {

    .mega-nav-btn {
      margin-bottom: mega-nav-em($mega-nav-line-height-base * 2, $mega-nav-btn-font-size);
    }

    .mega-nav-body {
      padding: 2em 2em 1em;
    }

    .mega-nav-body-grid {
      display: flex;
      flex-wrap: wrap;
    }

    .mega-nav-body-grid-item:nth-child(1) {
      width: 100%;
    }

    .mega-nav-body-grid-item:nth-child(2) {
      width: 1 / 3 * 100%;
    }

    .mega-nav-body-grid-item:nth-child(3) {
      width: 1 / 3 * 100%;
    }

    .mega-nav-body-grid-item:nth-child(4) {
      width: 1 / 3 * 100%;
    }

    .mega-nav-h1 {
      font-size: mega-nav-em($mega-nav-font-size-h1-desktop);
      margin-bottom: mega-nav-em(2px, $mega-nav-font-size-h1-desktop);
    }

    .mega-nav-h2 {
      font-size: mega-nav-em($mega-nav-font-size-h2-desktop);
      margin-bottom: mega-nav-em($mega-nav-line-height-base, $mega-nav-font-size-h2-desktop);
    }

    .mega-nav-h3 {
      color: $mega-nav-color-black;
      font-size: mega-nav-em($mega-nav-font-size-h3-desktop);
      font-weight: bold;
      margin-bottom: mega-nav-em($mega-nav-font-size-h3-desktop / 2, $mega-nav-font-size-h3);
    }

    .mega-nav-grid {
      border: 0;
      display: flex;
      margin-bottom: mega-nav-em($mega-nav-line-height-base * 2);

      > li {
        flex-grow: 1;
        margin-bottom: -1px;
        margin-right: -1px;
        width: calc(100% + 1px);
      }
    }

    .mega-nav-grid-item {
      display: block;
      border: 1px solid $mega-nav-color-line;
      margin-bottom: 0;
      padding: mega-nav-em($mega-nav-line-height-base);

      &,
      > ul {
        text-align: center;
      }

      > ul {
        display: flex;
        justify-content: center;
        margin-top: mega-nav-em($mega-nav-line-height-base);

        > li + li {
          margin-left: mega-nav-em($mega-nav-line-height-base / 2);
          margin-top: 0;
        }
      }
    }

    .mega-nav-grid-item-img {
      margin-right: 0;
      width: auto;

      > img {
        max-height: mega-nav-em(66px);
      }
    }

    .mega-nav-tag {
      font-size: mega-nav-em($mega-nav-font-size-small-desktop);
      padding: mega-nav-em(2px, $mega-nav-font-size-small-desktop) mega-nav-em(3px, $mega-nav-font-size-small-desktop);
    }

    .mega-nav-btn {
      width: auto;
    }
  }

  // Display HashiCorp logo at Bootstrap breakpoint of 768px
  @media (min-width: 768px){
    .mega-nav-banner-item {
      &:first-child {
        display: block;
      }
    }
  }

  @media (min-width: $mega-nav-breakpoint-md) {

    .mega-nav {
      position: relative;

      &::before {
        border-bottom: 1em solid $mega-nav-color-white;
        border-left: mega-nav-em(10px) solid transparent;
        border-right: mega-nav-em(10px) solid transparent;
        content: ' ';
        display: none;
        height: 0;
        left: 50%;
        position: absolute;
        top: 100%;
        transform: translateX(-50%);
        width: 0;
        z-index: $mega-nav-z-index + 1;
      }

      &.open::before {
        display: block;
      }
    }

    .mega-nav-btn {
      margin-bottom: mega-nav-em($mega-nav-line-height-base, $mega-nav-btn-font-size);
    }

    .mega-nav-body-ct {
      bottom: auto;
      left: auto;
      overflow: visible;
      position: absolute;
      right: 0;
      top: 100%;
      width: $mega-nav-container-width-md - $mega-nav-grid-gutter-width;
    }

    .mega-nav-body {
      margin: 1em 0 0;
    }

    .mega-nav-body-header {
      display: flex;
    }

    .mega-nav-body-header-item {
       &:last-child {
        margin-left: auto;
      }
    }

    .mega-nav-body-footer {
      display: block;
      padding-top: mega-nav-em($mega-nav-font-size-base);
    }

    .mega-nav-h2 {
      margin-bottom: mega-nav-em($mega-nav-line-height-base * 2, $mega-nav-font-size-h2-desktop);
    }

    .mega-nav-body-grid {
      position: relative;

      &::before {
        background-color: $mega-nav-color-line;
        content: ' ';
        height: 1px;
        left: -2em;
        margin-top: mega-nav-em(($mega-nav-font-size-base / 2 + 3px + 1px) * -1); //1px fudge
        position: absolute;
        right: -2em;
        top: 100%;
      }
    }

    .mega-nav-body-grid-item:nth-child(1) {
      width: 12 / 24 * 100%;
    }

    .mega-nav-body-grid-item:nth-child(2) {
      width: 4 / 24 * 100%;
    }

    .mega-nav-body-grid-item:nth-child(3) {
      width: 4 / 24 * 100%;
    }

    .mega-nav-body-grid-item:nth-child(4) {
      width: 4 / 24 * 100%;
    }

    .mega-nav-close {
      display: none;
    }

    .mega-nav-h3 {
      padding-left: mega-nav-em($mega-nav-line-height-base, $mega-nav-font-size-h3-desktop);
      padding-top: mega-nav-em($mega-nav-line-height-base / 2, $mega-nav-font-size-h3-desktop);
      position: relative;

      &::before {
        background-color: $mega-nav-color-line;
        content: ' ';
        height: 1px;
        left: 0;
        position: absolute;
        right: mega-nav-em($mega-nav-line-height-base / 2);
        top: 0;
      }
    }

    .mega-nav-grid {
      margin-bottom: mega-nav-em($mega-nav-font-size-base + 2px * 2 + 1px * 2 + $mega-nav-font-size-base);
    }

    .mega-nav-grid-item {
      position: relative;

      &::before {
        background-color: $mega-nav-color-line;
        content: ' ';
        height: 1px;
        left: 0;
        margin-top: mega-nav-em($mega-nav-font-size-base + $mega-nav-font-size-small-desktop / 2 + 2px);
        position: absolute;
        right: 0;
        top: 100%;
      }

      &:hover::before,
      &:focus::before,
      &.#{$mega-nav-active-class}::before {
        background-color: shade($mega-nav-color-line, 10);
      }

      > ul {
        left: 0;
        margin-top: 0;
        padding-top: mega-nav-em($mega-nav-font-size-base);
        position: absolute;
        right: 0;
        top: 100%;

        > li + li {
          margin-left: mega-nav-em(16px);
        }
      }
    }

    @each $suite-item in $mega-nav-suite-palette {
      $suite-item-name:    nth($suite-item, 1);
      $suite-item-color:   nth($suite-item, 2);

      .mega-nav-grid-item-#{$suite-item-name}:hover::before,
      .mega-nav-grid-item-#{$suite-item-name}:focus::before,
      .mega-nav-grid-item-#{$suite-item-name}.#{$mega-nav-active-class}::before {
        background-color: $suite-item-color;
      }
    }
  }

  @media (min-width: $mega-nav-breakpoint-lg) {

    .mega-nav-body-ct {
      width: $mega-nav-container-width-lg - $mega-nav-grid-gutter-width;
    }

  }

} //end .mega-nav-sandbox


// Overrides
// --------------------------------------------------

body.modal-open {
  overflow: hidden !important; //ensure correct bootstrap modal page overflow
}