/* Reset básico */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  body {
    font-family: 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fdfdfd;
  }
  
  /* Estructura general */
  main section {
    padding: 2rem 1rem;
    max-width: 800px;
    margin: auto;
  }
  
  section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
  }
  
  section p,
  section ul {
    font-size: 1rem;
    margin-bottom: 1rem;
  }
  
  ul {
    list-style-type: disc;
    padding-left: 1.5rem;
  }
  
  /* Imagen de perfil */
  img {
    max-width: 180px;
    border-radius: 50%;
    display: block;
    margin: 3rem auto 1rem auto;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
  }
  
  /* Botón de WhatsApp */
  .btn-whatsapp {
    display: inline-block;
    background-color: #25D366;
    color: white;
    padding: 0.6rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: bold;
    transition: background-color 0.3s ease;
  }
  
  .btn-whatsapp:hover {
    background-color: #1ebe5d;
  }
  
  /* Footer */
  footer {
    text-align: center;
    padding: 1rem;
    background-color: #eee;
    font-size: 0.9rem;
  }
  
  /* Responsive */
  @media (max-width: 768px) {
    section h2 {
      font-size: 1.5rem;
    }
  
    img {
      max-width: 120px;
    }
  }