.site-header .main-nav {
  align-self: stretch;
}

.nav-menu-item {
  position: relative;
  display: flex;
  align-self: stretch;
  align-items: center;
}

.nav-menu-heading {
  display: flex;
  height: 100%;
  align-items: center;
}

.nav-menu-link {
  position: relative;
  display: flex;
  height: 100%;
  align-items: center;
}

.nav-menu-link::after {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--accent);
  content: "";
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
}

.nav-menu-item:hover .nav-menu-link::after,
.nav-menu-item:focus-within .nav-menu-link::after,
.nav-menu-link.is-active::after {
  transform: scaleX(1);
}

.nav-submenu-toggle {
  display: none;
}

.nav-dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  display: grid;
  width: 220px;
  overflow: hidden;
  border-top: 3px solid var(--accent);
  border-radius: 0 0 6px 6px;
  background: var(--white);
  box-shadow: 0 16px 30px rgba(23, 50, 75, 0.16);
  opacity: 0;
  pointer-events: none;
  transform: translateY(-12px);
  visibility: hidden;
  transition: opacity 0.25s ease, transform 0.3s ease, visibility 0.3s;
}

.nav-dropdown a {
  padding: 13px 18px;
  border-bottom: 1px solid var(--line);
  background: var(--white);
  letter-spacing: 0.04em;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-dropdown a:last-child {
  border-bottom: 0;
}

.nav-dropdown a:hover,
.nav-dropdown a:focus-visible {
  color: var(--white);
  background: var(--primary);
  outline: 0;
}

.nav-menu-item:hover .nav-dropdown,
.nav-menu-item:focus-within .nav-dropdown,
.nav-menu-item.is-open .nav-dropdown {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
  visibility: visible;
}

@media (max-width: 720px) {
  .site-header .main-nav {
    align-self: auto;
  }
  .main-nav > .nav-menu-item {
    display: grid;
    align-self: auto;
  }
  .nav-menu-heading {
    display: grid;
    height: auto;
    grid-template-columns: minmax(0, 1fr) 44px;
    border-bottom: 1px solid var(--line);
  }
  .main-nav .nav-menu-link {
    height: auto;
    padding: 12px 4px;
    border-bottom: 0;
  }
  .nav-menu-link::after {
    display: none;
  }
  .nav-submenu-toggle {
    display: flex;
    width: 44px;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: pointer;
  }
  .nav-submenu-toggle i {
    font-size: 12px;
    transition: transform 0.3s ease;
  }
  .nav-dropdown {
    position: static;
    width: 100%;
    max-height: 0;
    border: 0;
    border-radius: 0;
    background: var(--primary-pale);
    box-shadow: none;
    opacity: 0;
    transform: none;
    transition: max-height 0.35s ease, opacity 0.2s ease, visibility 0.35s;
  }
  .main-nav .nav-dropdown a {
    padding: 10px 18px;
    border-bottom: 1px solid var(--line);
    background: var(--primary-pale);
    font-size: 13px;
  }
  .main-nav .nav-dropdown a:hover,
  .main-nav .nav-dropdown a:focus-visible {
    color: var(--primary-deep);
    background: #e4f2ff;
  }
  .nav-menu-item.is-open .nav-dropdown {
    max-height: 220px;
    opacity: 1;
  }
  .nav-menu-item.is-open .nav-submenu-toggle i {
    transform: rotate(180deg);
  }
}
@media (prefers-reduced-motion: reduce) {
  .nav-menu-link::after,
  .nav-dropdown,
  .nav-dropdown a,
  .nav-submenu-toggle i {
    transition: none;
  }
}