/* Estilos generales */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

header {
  background-color: #333;
  color: white;
  padding: 1rem;
}

h1 {
  margin-bottom: 1rem;
}

/* Estilos del menú principal */
.main-menu {
  list-style: none;
  display: flex;
  background-color: #444;
  border-radius: 5px;
}

.main-menu li {
  position: relative;
}

.main-menu a {
  display: block;
  padding: 1rem;
  color: white;
  text-decoration: none;
  transition: background-color 0.3s;
}

.main-menu a:hover {
  background-color: #555;
}

/* Estilos para los menús desplegables */
.dropdown {
  position: relative;
}

.dropdown-toggle {
  cursor: pointer;
}

.arrow {
  font-size: 0.8em;
  margin-left: 5px;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 200px;
  background-color: #555;
  list-style: none;
  border-radius: 0 0 5px 5px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  z-index: 100;
}

.dropdown:hover .submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.submenu a {
  padding: 0.8rem 1rem;
}

.submenu a:hover {
  background-color: #666;
}

/* Responsive */
@media (max-width: 768px) {
  .main-menu {
    flex-direction: column;
  }
  
  .submenu {
    position: static;
    width: 100%;
    background-color: #666;
    display: none;
    transform: none;
  }
  
  .dropdown:hover .submenu {
    display: block;
  }
  
  .submenu a {
    padding-left: 2rem;
  }
}