/* Caret (triangle) propre sur les items de menu niveau 1 qui ont un sous-menu */
#menu-principal > li.menu-item-has-children > a.nav-link.dropdown-toggle::after{
  content: "" !important;
  display: inline-block !important;
  width: 0 !important;
  height: 0 !important;

  margin-left: 8px !important;
  vertical-align: middle !important;

  border-left: 6px solid transparent !important;
  border-right: 6px solid transparent !important;
  border-top: 7px solid currentColor !important;
  border-bottom: 0 !important;

  transform: none !important;
}

/* Optionnel : rotation quand le menu est ouvert / survolé */
#menu-principal > li.menu-item-has-children:hover > a.nav-link.dropdown-toggle::after,
#menu-principal > li.menu-item-has-children:focus-within > a.nav-link.dropdown-toggle::after,
#menu-principal > li.menu-item-has-children.show > a.nav-link.dropdown-toggle::after{
  transform: rotate(180deg) !important;
  transform-origin: center !important;
}