/* Header sub-navigation (Contact → Get in touch / Work for us)
   Kept in its own file: /src/css/* is served immutable for a year, so a
   new file name is the only way returning visitors pick up these rules. */

.nav__item--has-sub {
  position: relative;
}

.nav__sub {
  position: absolute;
  top: 100%;
  right: 0;
  min-width: 200px;
  padding: var(--space-2);
  margin-top: var(--space-2);
  background-color: var(--color-white);
  border: 1px solid var(--color-neutral-100);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms;
}

/* Hover bridge so the menu does not close crossing the gap */
.nav__sub::before {
  content: '';
  position: absolute;
  top: calc(-1 * var(--space-2));
  left: 0;
  right: 0;
  height: var(--space-2);
}

.nav__item--has-sub:hover > .nav__sub,
.nav__item--has-sub:focus-within > .nav__sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__sub-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-neutral-700);
  white-space: nowrap;
  transition: var(--transition-colors);
}

.nav__sub-link:hover,
.nav__sub-link:focus-visible,
.nav__sub-link--active {
  color: var(--color-primary-600);
  background-color: var(--color-primary-50);
}

/* Mobile menu: the sub-links sit under the Contact button as plain rows.
   "Get in touch" duplicates the button there, so it is hidden. */
@media (max-width: 1024px) {
  .nav__sub {
    position: static;
    min-width: 0;
    margin: var(--space-2) 0 0;
    padding: 0;
    border: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__sub::before {
    content: none;
  }

  .nav__sub-item--dup {
    display: none;
  }

  .nav__sub-link {
    padding: var(--space-3) var(--space-4);
    font-size: var(--font-size-base);
    color: var(--color-neutral-800);
    text-align: center;
  }
}