.nav-links {
  display: flex;
  align-items: center;
  gap: 24px;
}

.dropdown,
.submenu {
  position: relative;
}

.dropdown-menu,
.submenu-menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 280px;
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
  opacity: 0;
  visibility: hidden;
  transition: 0.25s;
  z-index: 999;
}

.submenu-menu {
  top: 0;
  left: 100%;
}

.dropdown:hover > .dropdown-menu,
.submenu:hover > .submenu-menu {
  opacity: 1;
  visibility: visible;
}

.dropdown-menu a,
.submenu-menu a {
  display: block;
  padding: 12px 18px;
  color: #222;
  text-decoration: none;
  white-space: nowrap;
}

.dropdown-menu a:hover,
.submenu-menu a:hover {
  background: #f5f5f5;
}