/* 대주제–소주제 상단 메뉴 */
.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  justify-content: flex-end;
  position: relative;
}

.nav-group {
  position: relative;
}

.nav-parent {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  padding: 8px 14px;
  border-radius: 999px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.nav-parent::after {
  content: "";
  width: 0;
  height: 0;
  border-left: 3.5px solid transparent;
  border-right: 3.5px solid transparent;
  border-top: 4px solid currentColor;
  opacity: 0.55;
}

.nav-parent:hover,
.nav-group.is-open .nav-parent,
.nav-group.is-current .nav-parent {
  background: rgba(26, 92, 170, 0.08);
  color: var(--accent-deep);
}

.nav-sub {
  display: none;
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 11.5rem;
  padding: 6px;
  border-radius: 16px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.12);
  z-index: 20;
}

.nav-group.is-open .nav-sub,
.nav-group:hover .nav-sub {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-sub a,
.nav-sub button {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 9px 12px;
  border-radius: 10px;
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  width: 100%;
}

.nav-sub a:hover,
.nav-sub button:hover,
.nav-sub a.active,
.nav-sub button.active {
  background: rgba(26, 92, 170, 0.08);
  color: var(--accent-deep);
}

@media (min-width: 960px) {
  .top-slim-nav .nav-parent {
    padding: 8px 14px;
  }
}