.nav-item {
    position: relative;
}

.dropdown-menu {
    display: none;
    position: absolute;
    background:#343a40;
    min-width: 160px;
    list-style: none;
    padding: 0;
    margin: 0;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.dropdown-menu li a {
    display: block;
    padding: 10px;
    text-decoration: none;
    color: #FFFFFF;
}

.dropdown-menu li a:hover {
    background:#6c757d;
}

.nav-item:hover .dropdown-menu {
    display: block;
}

/* Active menu highlight */
.nav-item.active > .nav-link,
.dropdown-item.active {
    background: ;
    color:;
}
.dropdown-menu.show {
    display: block;
}

/* Desktop: hide the "Travel" submenu item */
@media (min-width: 769px) {
    .dropdown-item-mobile-only {
        display: none;
    }
}

/* Mobile: show the "Travel" submenu item */
@media (max-width: 768px) {
    .dropdown-item-mobile-only {
        display: block;
    }
}