/**
 * @file
 * Main menu.
 */

.main-menu {
  display: none;
  margin: 0.25rem calc(var(--imtm-gutter) / -2) 0;
  border-top: 1px solid var(--imtm-color-surface);
}

/* The header toggle opens the menu on small screens. */
.site-header--open .main-menu {
  display: block;
}

.main-menu__list,
.main-menu__submenu {
  padding: 0;
  margin: 0;
  list-style: none;
}

.main-menu__item {
  border-bottom: 1px solid var(--imtm-color-surface);
}

/* Touch-friendly rows (at least 48px high). */
.main-menu__link {
  display: flex;
  align-items: center;
  width: 100%;
  min-height: 3.25rem;
  padding: 0.75rem calc(var(--imtm-gutter) / 2 + 0.25rem);
  font: inherit;
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--imtm-color-text);
  text-align: left;
  text-decoration: none;
  background: none;
  border: 0;
}

.main-menu__link:hover,
.main-menu__link:focus-visible {
  color: var(--imtm-color-red);
  text-decoration: none;
}

.main-menu__link:focus-visible,
.main-menu__sublink:focus-visible {
  outline: 2px solid var(--imtm-focus-color);
  outline-offset: -2px;
}

.main-menu__link.is-active {
  color: var(--imtm-color-red);
  box-shadow: inset 4px 0 0 var(--imtm-color-red);
}

/* Chevron of expandable items. */
.main-menu__link--toggle::after {
  width: 0.6rem;
  height: 0.6rem;
  margin-left: auto;
  content: "";
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-25%) rotate(45deg);
  transition: transform 0.2s ease;
}

.main-menu__item--open > .main-menu__link {
  color: var(--imtm-color-red);
}

.main-menu__item--open > .main-menu__link--toggle::after {
  transform: translateY(25%) rotate(-135deg);
}

.main-menu__submenu {
  display: none;
  padding: 0.25rem 0 0.5rem;
  background-color: var(--imtm-color-surface-light);
}

.main-menu__item--open > .main-menu__submenu {
  display: block;
}

.main-menu__submenu--nested {
  display: block;
  padding: 0 0 0 1rem;
}

.main-menu__sublink {
  display: flex;
  align-items: center;
  min-height: 3rem;
  padding: 0.5rem calc(var(--imtm-gutter) / 2 + 1.25rem);
  color: var(--imtm-color-text);
  text-decoration: none;
}

.main-menu__sublink:hover,
.main-menu__sublink:focus,
.main-menu__sublink.is-active {
  color: var(--imtm-color-red);
  text-decoration: none;
}

.main-menu__sublink.is-active {
  font-weight: 700;
  box-shadow: inset 4px 0 0 var(--imtm-color-red);
}

@media (min-width: 992px) {
  .main-menu {
    display: block;
    height: 100%;
    margin: 0;
    border: 0;
  }

  .main-menu__item {
    border: 0;
  }

  .main-menu__list {
    display: flex;
    height: 100%;
  }

  .main-menu__item {
    position: relative;
  }

  .main-menu__link {
    display: flex;
    align-items: flex-start;
    min-height: 0;
    height: 100%;
    padding: var(--site-header-link-offset, 3rem) 1.5rem 0;
    font-size: 0.95em;
    font-weight: 700;
    line-height: var(--imtm-line-height);
    color: rgb(84, 84, 86);
    white-space: nowrap;
    transition: padding 0.5s ease;
  }

  .main-menu__link--toggle::after {
    display: none;
  }

  .main-menu__link:hover,
  .main-menu__link:focus-visible,
  .main-menu__link.is-active,
  .main-menu__item--open > .main-menu__link {
    color: var(--imtm-color-red);
    border-bottom: 5px solid var(--imtm-color-red);
    box-shadow: none;
  }

  /* Keyboard focus is distinguishable from hover and the current page. */
  .main-menu__link:focus-visible {
    outline: 2px solid var(--imtm-focus-color);
    outline-offset: -8px;
  }

  .main-menu__sublink.is-active {
    box-shadow: none;
  }

  .main-menu__submenu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    min-width: 10rem;
    padding: 1.25rem 0;
    background-color: var(--imtm-color-white);
    background-image: url(../../images/dropdown-logo.webp);
    background-repeat: no-repeat;
    background-position: right top;
    border: 0;
    border-radius: 0;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.05);
  }

  .main-menu__item:last-child > .main-menu__submenu {
    right: 0;
    left: auto;
  }

  .main-menu__subitem {
    position: relative;
  }

  .main-menu__sublink {
    display: block;
    min-height: 0;
    padding: 0.5rem 2rem;
    white-space: nowrap;
    font-size: 0.95em;
    font-weight: 700;
    color: rgb(84, 84, 86);
  }

  .main-menu__submenu--nested {
    display: none;
    top: -1.25rem;
    left: 100%;
    padding: 1.25rem 0;
  }

  .main-menu__item:last-child .main-menu__submenu--nested {
    right: 100%;
    left: auto;
  }

  .main-menu__subitem:hover > .main-menu__submenu--nested,
  .main-menu__subitem:focus-within > .main-menu__submenu--nested {
    display: block;
  }
}