/* Dropdown-Menüs verstecken */
.dropdown-menu {
    display: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
  }
  
  /* Dropdown-Menü beim Hover anzeigen */
  .nav-item.dropdown:hover > .dropdown-menu,
  .dropdown-submenu:hover > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
  }
  
  /* Dropdown-Menü bei der Klasse "open" anzeigen */
  .nav-item.dropdown.open > .dropdown-menu,
  .dropdown-submenu.open > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
  }
  
  /* Positionierung von Submenüs */
  .dropdown-submenu > .dropdown-menu {
    position: absolute;
    top: 0;
    left: 100%; /* Rechts ausklappen */
  }
  
  .dropdown-submenu.open > .dropdown-menu {
    display: block;
    opacity: 1;
    visibility: visible;
  }