nav:has(> .mobile-menu) {
  position: relative;
}

.mobile-menu {
  /* Approximate sane initial value, updated via JS when first becomes visible */
  --initial-width: 104px;
  position: relative;
  left: calc(50% - var(--initial-width) / 2);
  color: white;
  width: max-content;
  margin: 1rem 0;
}

.mobile-menu-link.menu-level--0 {
  font-weight: 700;
}

.mobile-submenu.menu-level--1 {
  font-size: 0.875em;
  line-height: 2.25;
}

.mobile-menu-link {
  display: block;
  color: white;
  background: none;
  text-decoration: none;
  cursor: pointer;
}

.mobile-menu-link ~ .mobile-menu-link.menu-level--0 {
  margin-top: 1em;
}

.mobile-menu-link:hover {
  color: unset;
}

.mobile-menu-link[aria-expanded="true"] {
  color: var(--bs-secondary);
}

.mobile-menu .dropdown-toggle {
  position: relative;
}

.mobile-menu .dropdown-toggle::after {
  position: absolute;
  left: var(--initial-width);
  top: 5px;
}

@media (max-width: 991.98px) {
  #header > nav {
    padding-bottom: 0;
  }

  .mobile-menu-navbar-spacer {
    display: block;
    flex: 0 0 100%;
    margin-top: var(--bs-navbar-padding-y);
    margin-bottom: -1px;
  }

  .mobile-menu-top-border {
    display: block;
    flex: 0 0 calc(100% + var(--bs-gutter-x));
    margin-left: calc(var(--bs-gutter-x) * -0.5);
    width: calc(100% + var(--bs-gutter-x));
  }

  .mobile-menu-top-border:has(+ :is(.show, .collapsing)) {
    border-top: 1px solid rgba(217,217,217,0.73);
    margin-bottom: -1px;
  }
}

@media (min-width: 992px) {
  .mobile-menu-top-border {
    display: none;
  }
}