.navbar {
  -webkit-box-shadow: var(--ifes-header-shadow);
  box-shadow: var(--ifes-header-shadow);
  padding: var(--ifes-panel-padding-y) var(--ifes-panel-padding-x);
  font-weight: var(--ifes-header-font-weight);
  background: var(--ifes-header-background);
  color: var(--ifes-header-font-color);
  z-index: var(--ifes-header-z-index);

  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  position: sticky;
  top: 0;
}

.navbar-title {
  font-size: var(--ifes-header-font-size);
}

.navbar .ifes-logo {
  max-height: var(--ifes-header-img-max-height) !important;
  padding-right: var(--ifes-panel-padding-x);
  padding-left: var(--ifes-panel-padding-x);
}
.navbar .ifes-logo.vertical {
  display: none;
}

.navbar a {
  text-decoration: none !important;
}

.navbar-collapse {
  z-index: calc(var(--ifes-header-z-index) - 1);
  background: var(--ifes-header-menu-background);
  padding: var(--ifes-panel-padding-y) calc(2*var(--ifes-panel-padding-x) + 0.5rem);
  column-gap: var(--ifes-header-menu-column-gap);

  position: absolute;
  width: 100%;
  list-style-type: none;
  transform-origin: 0 0;
  transform: translate(0, -100%);
  transition: transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
  display: grid;
  align-items: start;
  grid-template-columns: auto 1fr;
}

.navbar-backdrop {
  z-index: calc(var(--ifes-header-z-index) - 2);
  opacity: var(--ifes-header-menu-backdrop-opacity);
  background: var(--ifes-header-menu-background);

  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  transform: translate(0, -100vh);
  transition: transform 0.5s cubic-bezier(0.77, 0.2, 0.05, 1.0);
  overflow: hidden;
}
.navbar-backdrop.show {
  transform: none;
}

.navbar-content {
  z-index: calc(var(--ifes-header-z-index) - 1);
  padding: 0.25rem; 
}

.navbar-links {
  align-self: start;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
  padding-left: 0;
  margin-top: 0;
  margin-bottom: 0;
  list-style: none;
  z-index: calc(var(--ifes-header-z-index) - 1);
}

.navbar-link {
  padding: 0.25rem 0;
  font-size: var(--ifes-header-menu-font-size);
}

.navbar-link a {
  text-decoration: none;
}

.navbar-link a:hover {
  text-decoration: underline;
}

.navbar-link a.active {
  font-weight: bold;
  cursor: default;
}

.navbar-link a.active:hover {
  text-decoration: none;
}

.navbar-menu-content {
  display: none;
}

.navbar-collapse.show {
  transform: none;
}

button.navbar-toggler {
  padding: .25rem .75rem .25rem  var(--ifes-panel-padding-x);
  background-color: transparent;
  border: 0 solid transparent;
  border-radius: .25rem;
  outline: 0;
}

.navbar-hidden-toggler {
  width: var(--ifes-panel-padding-x) ;
}

.navbar .hamburger {
  width: 30px;
  height: 20px;
  position: relative;
  margin: 0;
  transform: rotate(0deg);
  -webkit-transition: .5s ease-in-out;
  -moz-transition: .5s ease-in-out;
  -o-transition: .5s ease-in-out;
  transition: .5s ease-in-out;
  cursor: pointer;
}

.navbar .hamburger span {
  display: block;
  position: absolute;
  height: 3px;
  width: 100%;
  border-radius: 9px;
  opacity: 1;
  left: 0;
  transform: rotate(0deg);
  -webkit-transition: .25s ease-in-out;
  -moz-transition: .25s ease-in-out;
  -o-transition: .25s ease-in-out;
  transition: .25s ease-in-out;
  background: var(--ifes-header-hamburger-color);
}

.navbar .hamburger span:nth-child(1) {
  top: 0;
  transform-origin: left center;
}

.navbar .hamburger span:nth-child(2) {
  top: 10px;
  transform-origin: left center;
}

.navbar .hamburger span:nth-child(3) {
  top: 20px;
  transform-origin: left center;
}

.navbar .hamburger.open span:nth-child(1) {
  transform: rotate(45deg);
  top: 0;
  left: 8px;
}

.navbar .hamburger.open span:nth-child(2) {
  width: 0;
  opacity: 0;
}

.navbar .hamburger.open span:nth-child(3) {
  transform: rotate(-45deg);
  top: 21px;
  left: 8px;
}

@media (max-width: 800px) {
  :root {
    --ifes-header-font-size: calc(1.2 * var(--ifes-body-font-size));
  }
}

@media (max-width: 700px) {
  .navbar-collapse {
    grid-template-columns: 1fr;
  }
  .navbar-links {
    -ms-flex-direction: row;
    flex-direction: row;
    flex-wrap: wrap;
  }
  .navbar-link {
    padding: 0.25rem 1rem;
  }
  ul.navbar-links > li:first-of-type {
    padding-left: 0 !important;
  }
  ul.navbar-links > li:last-of-type {
    padding-right: 0 !important;
  }
  .navbar-content {
    padding-left: 0 !important;
  }
  .navbar-menu-content {
    padding-top: 0.5rem;
    border-top: 1px solid black;
  }
}

@media (max-width: 500px) {
  :root {
    --ifes-header-font-size: var(--ifes-body-font-size);
  }
  .navbar .ifes-logo {
    display: none;
  }
  .navbar .ifes-logo.vertical {
    display: block;
  }
}