nav a {
  color: #012759;
  text-decoration: none;
  font-weight: 500;
  padding: 8px 12px;
  border: 1px solid transparent;
  border-radius: 4px;
  transition: all 0.3s;
  display: inline-block;
}

/* Hover con fondo azul claro */
nav a:hover {
  background-color: #EBF1FD;
  color: #012759;
  border-color: #012759;
}

/* Menú activo subrayado */
nav a.active {
  border-bottom: 3px solid #012759;
}

/* Dropdown */
nav .dropdown {
  position: relative;
}

/* Submenús */
nav .submenu {
  display: none;
  position: absolute;
  top: 100%; /* Aparece justo debajo del menú principal */
  left: 0;
  background-color: white;
  border: 1px solid #ccc;
  border-radius: 6px;
  padding: 10px;
  z-index: 1000;
  min-width: 200px;
  box-shadow: 0px 2px 8px rgba(0, 0, 0, 0.1);
}

/* Al mantener el cursor sobre el contenedor completo, se muestra el submenú */
nav .dropdown:hover > .submenu {
  display: block;
}

/* Items del submenú */
nav .submenu li {
  margin: 5px 0;
}

nav .submenu a {
  color: #012759;
  padding: 6px 10px;
  display: block;
  border-radius: 4px;
}

nav .submenu a:hover {
  background-color: #EBF1FD;
}