body {
  font-family: Arial, sans-serif;
  margin: 40px;
  background-color: #f8f8f8;
  color: #333;
}

h1, h2 {
  color: #004aad;
}

a {
  color: #d92b2b;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header, footer {
  text-align: center;
  margin-bottom: 30px;
}

section {
  margin-bottom: 25px;
}

/* Diseño adaptativo básico */
@media (max-width: 600px) {
  body {
    margin: 20px;
    font-size: 14px;
  }
}