.footer {
    background-color: #1E3A8A; /* azul oscuro */
    color: white;
    padding: 3rem 1rem 2rem;
    margin-top: 4rem;
    font-family: Arial, sans-serif;
  }
  
  .footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .footer-column h3 {
    font-size: 1.1rem;
    font-weight: bold;
    margin-bottom: 0.5rem;
  }
  
  .footer-column p,
  .footer-column ul,
  .footer-column li {
    font-size: 0.9rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  
  .footer-column a {
    color: white;
    text-decoration: none;
  }
  
  .footer-column a:hover {
    text-decoration: underline;
  }
  
  .social-icons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    font-size: 1.2rem;
    margin-top: 0.5rem;
  }
  
  .footer-bottom {
    text-align: center;
    margin-top: 2rem;
    font-size: 0.85rem;
    color: #CBD5E1;
  }
  
  .footer-bottom a {
    color: #CBD5E1;
    text-decoration: none;
  }
  
  .footer-bottom a:hover {
    text-decoration: underline;
  }
  
  @media (min-width: 768px) {
    .footer-container {
      grid-template-columns: repeat(3, 1fr);
      text-align: left;
    }
  
    .social-icons {
      justify-content: flex-start;
    }
  }