:root {
  --header-primary-color: #f66600;
  --header-selected-color: #ff4000;
  --header-line-selected-height: 1.8px;
  --header-border: 1px solid rgba(218, 220, 224, 0.85);
  --header-mobile-bgc: rgba(0, 53, 143, 1);
}

.navbar-nav {
  --bs-nav-link-font-weight: 600;
}

.top-nav-container ul {
  margin-bottom: 0;
  padding-left: 0;
}

.top-nav-container ul li {
  list-style-type: none;
  cursor: pointer;
}
.top-nav-container .dropdown-item a {
  font-size: 14px;
}
.nav-item:hover a.nav-link {
  color: var(--header-primary-color);
}
.top-nav-container .nav-link {
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}
.top-nav-container ul li a {
  font-size: 15px;
}

.bot-nav {
  background-color: #fff;
  z-index: 10002;
  padding: 1px 0;
}
.bot-nav .nav-item {
  position: relative;
}
.bot-nav .nav-item .nav-link {
  color: var(--primary-color);
}
.bot-nav .nav-item:not(.nav-search-icon):after {
  content: "";
  position: absolute;
  bottom: calc(var(--header-line-selected-height) * -1);
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--header-primary-color);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform 0.15s ease-in-out;
}
.bot-nav .nav-item[selected]::after,
.bot-nav .nav-item:hover::after {
  transform: scaleY(1);
}
.bot-nav .nav-item[selected] {
  color: var(--header-selected-color);
}
.bot-nav .nav-item[selected]::after {
  background-color: var(--header-selected-color);
}
.bot-nav .dropdown-menu {
  top: calc(100% + var(--header-line-selected-height));
}
.bot-nav-container {
  box-shadow: 0px 4px 6px 0px rgba(0, 0, 0, 0.1);
}
.bot-nav-container.fixed-top {
  z-index: 10003;
}
.top-nav-container .dropdown-item,
.bot-nav-container .dropdown-item {
  padding: 0;
}
.bot-nav .dropdown-item {
  font-size: 17px;
  transition: color 0.1s ease-in-out;
}
.bot-nav .dropdown-item:hover {
  color: var(--secondary-color);
}
.click-dropdown {
  z-index: 10002;
}
.top-nav-container .dropdown-menu,
.bot-nav-container .dropdown-menu {
  z-index: 1021;
  box-shadow: 0px 2px 32px 0px rgba(0, 0, 0, 0.2);
  border: none;
  border-radius: 0.75rem;
  margin-top: 0 !important;
}
.top-nav-container .dropend .dropdown-menu,
.bot-nav-container .dropend .dropdown-menu {
  left: 100% !important;
  top: -100%;
  overflow: hidden;
}
.top-nav-container .dropdown-menu:not(.dropdown-click-menu),
.bot-nav-container .dropdown-menu:not(.dropdown-click-menu) {
  left: -1rem;
  display: block;
  visibility: hidden;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease-in-out, visibility 0.1s;
  padding: 0;
}
.top-nav-container .dropdown:not(.click-dropdown):hover .dropdown-menu,
.top-nav-container .dropend:hover .dropdown-menu,
.bot-nav-container .dropdown:not(.click-dropdown):hover .dropdown-menu,
.bot-nav-container .dropend:hover .dropdown-menu {
  visibility: visible;
}
.dropdown-click-menu {
  max-height: initial !important;
}
.top-nav-container .dropdown-menu a,
.bot-nav-container .dropdown-menu a {
  display: block;
  margin-left: 1.5rem;
  font-weight: 500;
  padding: 0.5rem 1rem 0.5rem 0;
}
.top-nav-container .dropdown-toggle::after,
.bot-nav-container .dropdown-toggle::after {
  display: none;
}
.top-nav-container .dropdown-item:hover,
.bot-nav-container .dropdown-item[selected] {
  color: var(--secondary-color);
  cursor: pointer;
}

@media (min-width: 1200px) {
  .top-nav-container {
    background-color: var(--header-mobile-bgc);
  }
  .top-nav-container {
    color: var(--light-blue-color);
  }

  .top-nav-container .dropdown-menu > .dropdown-item:not(:last-child) a,
  .bot-nav-container .dropdown-menu > .dropdown-item:not(:last-child) a,
  .top-nav-container {
    border-bottom: var(--header-border);
  }

  #bottom-nav .navbar-nav {
    gap: 1.9rem;
  }

  .bot-nav-link {
    padding: 1.25rem 0 !important;
  }
  .search-container {
    width: 518px;
  }
}
.search-container {
  display: flex;
  align-items: center;
  border-right: var(--header-border);
  border-left: var(--header-border);
  height: 70px;
}
#clear-search {
  border-left: var(--header-border);
  cursor: pointer;
}
.nav-search-input {
  outline: none;
  transition: width 0.5s ease-in-out;
}
.nav-search-input::placeholder {
  opacity: 0.45;
  font-size: calc(1rem + 0.3vw);
}
.chevron-down {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg);
  margin-bottom: 5px;
  margin-right: 14px;
}
.chevron-down.icon-language {
  width: 10px;
  border-width: 2px;
  height: 10px;
  margin-bottom: 4px;
}
.bot-nav-link > .chevron-down {
  margin-right: 2px;
}
.top-nav-container .dropdown-toggle.show .chevron-down,
.bot-nav-container .dropdown-toggle.show .chevron-down {
  transform: rotate(-135deg);
  margin-bottom: -5px;
}
.top-nav-container .dropdown-toggle.show,
.bot-nav-container .dropdown-toggle.show {
  color: var(--header-primary-color);
}
.kvtt-dropdown-menu.show {
  width: calc(100% + 18px);
}
.kvtt-dropdown-menu:not(.dropdown-menu) {
  position: unset !important;
  transform: unset !important;
}
.kvtt-dropdown-menu .nav-item:first-child .nav-link {
  padding-left: 0 !important;
}
.nav-search-icon:has(~ .navbar-toggler[aria-expanded="true"]) {
  display: none;
}
.nav-search-icon:has(+ .nav-search:not(.d-none)) {
  display: none !important;
}
.language-dropdown-sm:has(~ .navbar-toggler[aria-expanded="true"]) {
  display: none !important;
}
/* bottom header responsive */
.navbar-toggler {
  /* width: 43px; */
}
.navbar-toggler[aria-expanded="true"] .open-menu,
.navbar-toggler[aria-expanded="false"] .close-menu {
  display: none;
}
.navbar-toggler[aria-expanded="true"] .close-menu {
  display: block !important;
}

.top-right-nav .nav-item {
  white-space: nowrap;
}

.top-nav .dropdown {
  z-index: 10003;
}
@media (max-width: 1199.98px) {
  html:has(.navbar-collapse.show) {
    overflow: hidden;
  }
  .navbar-brand:has(~ .navbar-collapse.show) {
    padding-bottom: 1rem;
  }
  .navbar-brand:has(+ .mobile-search-container .search-container:not(.d-none)) {
    display: none;
  }
  .search-container:not(.d-none) + .navbar-toggler {
    display: none;
  }
  .mobile-search-container:has(
      .language-dropdown-sm ~ .search-container:not(.d-none)
    ) {
    width: 100%;
  }
  .mobile-search-container:has(
      .language-dropdown-sm ~ .search-container:not(.d-none)
    )
    .language-dropdown-sm {
    display: none !important;
  }

  .bot-nav:not(:has(.search-container:not(.d-none))) {
    padding: 10px 0;
  }
  .bot-nav > div {
    padding: 0;
  }

  .dropdown-item:not(:last-child) .language-dropdown-item-sm {
    border-bottom: var(--header-border);
  }
  .language-dropdown-item-sm {
    margin-left: 1.2rem !important;
    padding-right: 2.5rem !important;
  }
  .bot-nav
    a:not(:hover):not(
      .dropdown-toggle.show,
      .language-dropdown-sm,
      .language-dropdown-item-sm
    ) {
    color: #fff !important;
  }
  .top-nav-container .dropdown-toggle.show,
  .bot-nav-container .dropdown-toggle.show:not(.language-dropdown-sm) {
    padding-bottom: 0.75rem !important;
    color: var(--header-primary-color) !important;
  }
  #bottom-nav .navbar-nav,
  #bottom-nav .navbar-nav .dropdown-item:hover,
  #bottom-nav .navbar-nav .dropdown-menu {
    background-color: var(--header-mobile-bgc);
    box-shadow: none;
  }
  .bot-nav .nav-item {
    position: static;
    border-bottom: 1px solid rgba(199, 220, 255, 0.15);
    padding-left: 1.25rem;
  }
  .chevron-down {
    width: 13px;
    border-width: 3px;
    height: 13px;
  }

  .top-left-nav .dropdown-menu {
    box-shadow: none;
  }
  .top-nav-container a:not(:hover):not(.dropdown-toggle.show) {
    color: rgba(5, 6, 8, 1) !important;
  }
  .top-nav-container .dropdown ul,
  .bot-nav-container .dropdown ul {
    position: static;
  }
  #kvtt-dropdown.show {
    padding-bottom: 0 !important;
  }
  .kvtt-dropdown-menu a {
    margin-left: 0 !important;
    padding-left: 0 !important;
  }
  .top-nav > .dropdown {
    border-bottom: 1px solid rgba(5, 6, 8, 0.1);
  }
  .top-nav > .dropdown:not(:has(> .show)) {
    padding-bottom: 1rem;
  }
  .top-nav-container .nav-item:not(:last-child) {
    border-bottom: 1px solid rgba(5, 6, 8, 0.1);
  }
  .top-nav-container .dropdown-toggle.show {
    padding-bottom: 0.5rem !important;
  }
  .top-nav-container .dropdown-item a {
    font-weight: 400;
    font-size: 15px;
  }
  .bot-nav .nav-item::after {
    width: 0;
  }
  .top-right-nav .nav-item {
    white-space: unset;
  }
  .top-nav-container .dropdown-menu a {
    padding-top: 0.85rem;
    padding-bottom: 0.85rem;
  }
  #bottom-nav.show {
    height: calc(100vh - 72px);
    overflow: hidden auto;
    scrollbar-width: none;
  }
  #bottom-nav.show::-webkit-scrollbar {
    display: none;
  }
  body:has(#bottom-nav.show) {
    overflow: hidden;
  }
  .header-logo {
    width: 167px;
    height: 42px;
  }

  .nav-search-input::placeholder {
    opacity: 0.65;
  }
}

body.student-img-popup-open .top-nav-container,
body.student-img-popup-open .bot-nav-container {
  display: none !important;
}