.header__menu-item--highlight span {
  color: var(--menu-highlight-color, #d4431a);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 0.2rem;
  text-underline-offset: 0.7rem;
}

.header__menu-item--highlight:hover span {
  color: var(--menu-highlight-color, #d4431a);
}