/* ===== DROPDOWN MENU ===== */
.nav-menu .dropdown {
  position: relative;
}

.nav-menu .dropdown > a {
  cursor: pointer;
}

.nav-menu .dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(12px);
  min-width: 260px;
  padding: 12px 0;
  border-radius: 8px;
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 100;
  list-style: none;
  /* Bridge gap between nav link and dropdown so hover stays active */
  margin-top: 0;
  padding-top: 16px;
}

/* Invisible bridge element fills gap between nav link bottom and dropdown top */
.nav-menu .dropdown::before {
  content: '';
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 8px;
  background: transparent;
}

.nav-menu .dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-menu .dropdown-menu li {
  padding: 0;
}

.nav-menu .dropdown-menu a {
  display: block;
  padding: 10px 20px;
  font-size: 0.85rem;
  text-transform: none;
  letter-spacing: 0.5px;
  color: #333;
  transition: all 0.3s ease;
}

.nav-menu .dropdown-menu a:hover {
  background: #f5f5f5;
  color: #000;
  padding-left: 28px;
}

.nav-menu .dropdown-menu a::after {
  display: none;
}

/* ===== RESPONSIVE DROPDOWN - VÔ HIỆU HÓA TRÊN MOBILE ===== */
@media (max-width: 768px) {
  /* TẤT CẢ ĐƯỢC XỬ LÝ TRONG style.css */
  /* File này chỉ dành cho desktop */
}