.custom-link-c.has-dropdown {
  position: relative;
}

.header-dropdown-custom {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: absolute;
  top: 100%;
  right: -10px;
  text-align: right;
  background: #000;
  padding: 10px;
  opacity: 0;
  visibility: hidden;
  transition: 0.4s all;
}

.header-dropdown-custom a {
  white-space: nowrap;
}

.custom-link-c.has-dropdown:hover .header-dropdown-custom {
  opacity: 1;
  visibility: visible;
}