.nav-drop {
  position: relative;
}

.nav-drop-btn,
.nav-sum {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-caret {
  font-size: 0.65rem;
  line-height: 1;
  opacity: 0.75;
}

.nav-drop-panel {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 60;
  min-width: 220px;
  margin-top: 0.35rem;
  padding: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(15, 23, 42, 0.96);
  box-shadow: 0 0 30px -8px #22d3ee40;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.nav-drop-panel::before {
  content: "";
  position: absolute;
  top: -12px;
  right: 0;
  left: 0;
  height: 12px;
}

.nav-drop:hover .nav-drop-panel,
.nav-drop:focus-within .nav-drop-panel {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav-drop-panel a,
.nav-sub {
  display: block;
}

.nav-acc-panel {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  margin: 0.15rem 0 0.35rem 0.75rem;
  padding-left: 0.75rem;
  border-left: 1px solid rgba(34, 211, 238, 0.35);
}