/* Submenu — mega menu grid */
.has-submenu {
  position: relative;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--c-bg);
  border: 1px solid var(--c-border);
  padding: var(--s-24);
  min-width: 420px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
  box-shadow: var(--shadow-md);
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-4) var(--s-16);
}

.has-submenu:hover .submenu {
  opacity: 1;
  visibility: visible;
}

.submenu a {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--s-4);
  padding: var(--s-8) var(--s-4);
  font-size: var(--f-size-sm);
  text-transform: none;
  letter-spacing: 0;
  text-align: center;
  border-radius: var(--radius-sm, 4px);
  transition: background var(--transition);
}

.submenu a:hover {
  background: var(--c-bg-alt);
}

.submenu a::after {
  display: none;
}

.submenu a img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 50%;
}

/* Botão menu mobile */
.menu-toggle {
  display: none;
  font-size: 24px;
  color: var(--c-text);
}

/* Overlay mobile */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 998;
}

.nav-overlay.is-active {
  display: block;
}