.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: $color-glass;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid $color-border;
}
@supports not (backdrop-filter: blur(12px)) {
  .header {
    background: $color-background;
  }
}
@media (max-width: 688px) {
  @supports not (backdrop-filter: blur(12px)) {
    .header-inner .site-nav .menu-list {
      background: $color-background;
    }
  }
}
.header-inner {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  height: $header-height;
}
.header-inner #menu-btn {
  display: none;
}
.header-inner .site-nav {
  flex-grow: 1;
  overflow-x: auto;
}
.site-brand-container a {
  font-weight: 400;
  color: $color-text-primary;
}
.menu-list {
  text-align: right;
  display: flex;
}
.menu-list:before {
  content: "";
  flex-grow: 1;
}
.menu-item {
  position: relative;
  margin-left: $margin-l-0;
}
.menu-item-active:after {
  border-bottom: solid $line-secondary $color-accent;
  width: 100%;
}
.logo-img {
  max-height: $line-height-heading-h1;
  width: auto;
  max-width: 100%;
  display: flex;
}
@media (max-width: 688px) {
  .header {
    overflow: visible;
  }
  .header-inner {
    flex-wrap: wrap;
    align-items: center;
    height: $header-height;
    padding-top: 0;
    padding-bottom: 0;
  }
  .header-inner #menu-btn {
    display: flex !important;
    align-items: center;
    justify-content: flex-end;
    width: 50%;
    height: 100%;
    cursor: pointer;
    color: $color-text-primary;
    transition: color $transition-duration ease;
  }
  .header-inner #menu-btn:hover {
    color: $color-accent;
  }
  .header-inner .site-brand-container {
    display: flex;
    align-items: center;
    width: 50%;
    height: 100%;
  }
  .header-inner .site-nav {
    width: 100%;
  }
  .header-inner .site-nav .menu-list {
    display: flex;
    flex-direction: column;
    max-height: 0;
    overflow: hidden;
    margin-top: 0;
    background: $color-glass;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid $color-border;
    transition: max-height 300ms ease-out;
    text-align: left;
  }
  .header-inner .site-nav .menu-list.active {
    max-height: 400px;
  }
  .header-inner .site-nav .menu-list .menu-item {
    margin: 0;
    padding: $margin-m-0 $margin-m-1;
    border-bottom: 1px solid $color-border;
  }
  .header-inner .site-nav .menu-list .menu-item:last-child {
    border-bottom: none;
  }
  .header-inner .site-nav .menu-list .menu-item a {
    display: block;
  }
}