/* Masquer par défaut */
.submenu {
    display: none;
    position: absolute;
    background: white;
    list-style: none;
    padding: 0;
    margin: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
  }
  
  .has-children {
    position: relative;
  }
  
  /* Afficher au survol */
  .has-children:hover > .submenu {
    display: block;
  }
  
  .submenu-item {
    padding: 0.5em 1em;
  }