.nav-item {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: white;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  border-radius: 8px;
  min-width: 180px;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.dropdown-menu li {
  padding: 0;
}

.dropdown-menu li a {
  display: block;
  padding: 10px 16px;
  color: #333;
  text-decoration: none;
}

.dropdown-menu li a:hover {
  background-color: #f1f1f1;
  color: #000;
}

/* Show on hover */
.nav-item:hover .dropdown-menu {
  display: block;
}

.dropdown-menu {
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.nav-item:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
}