/* Estilos do Submenu */
.main-nav li {
  position: relative;
}

.main-nav .submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--color-primary-dark);
  min-width: 200px;
  padding: 0;
  border: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1000;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
  overflow: hidden;
}

.main-nav .has-submenu:hover .submenu {
  display: block;
}

.main-nav .submenu li {
  display: block;
  width: 100%;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.main-nav .submenu li:last-child {
  border-bottom: none;
}

.main-nav .submenu a {
  display: block;
  padding: 0.75rem 1rem;
  white-space: nowrap;
  transition: background-color 0.3s ease;
}

.main-nav .submenu a:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Ícone para indicar submenu */
.main-nav .has-submenu > a::after {
  content: "\f107";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  margin-left: 0.5rem;
  display: inline-block;
  transition: transform 0.3s ease;
}

.main-nav .has-submenu:hover > a::after {
  transform: rotate(180deg);
}

/* Responsividade do Submenu */
@media (max-width: 768px) {
  .main-nav .submenu {
    position: static;
    display: none;
    border: none;
    background-color: rgba(255, 255, 255, 0.05);
    margin-top: 0.5rem;
  }

  .main-nav .has-submenu.active .submenu {
    display: block;
  }
}