* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  .footer {
    background-color: #068fd3;
    color: white;
    padding: 1.5rem 1rem;
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  }
  
  .footer .social-buttons {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
  }
  
  .footer .social-button {
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease, color 0.3s ease;
    padding: 0.4rem 0.8rem;
    border-radius: 0.3rem;
  }
  
  .footer .social-button i {
    font-size: 1.5rem;
    vertical-align: middle;
  }
  
  /* Hover y foco */
  .footer .social-button:hover,
  .footer .social-button:focus {
    background-color: #69ccfe;
    color: #162640;
    outline: none;
  }
  
  .footer .social-button:focus-visible {
    outline: 2px solid #b61e25;
    outline-offset: 2px;
  }
  
  .footer .copyright {
    font-size: 0.875rem;
    opacity: 0.85;
  }
  
  /* Responsive: en pantallas pequeñas, oculta el texto y muestra sólo íconos */
  @media (max-width: 768px) {
    .footer .social-button {
      padding: 0.4rem;
      gap: 0.3rem;
    }
    .footer .social-button span {
      display: none;
    }
  }