body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
  color: #333;
}

header {
  background-color: #005a8d;
  color: white;
  padding: 2rem;
  text-align: center;
}

.imagen-principal {
  text-align: center;
  margin-top: 2rem;
}

.imagen-principal img {
  width: 70%;
  
  height: auto;
  border: 2px solid #ccc;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  margin: 0 auto;
  display: block;
}


.creditos {
  font-size: 0.9rem;
  color: #555;
  margin-top: 0.5rem;
}




main {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
}

.recurso {
  background-color: white;
  border-left: 5px solid #005a8d;
  padding: 1rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.recurso h2 {
  margin-top: 0;
}

.recurso a {
  display: inline-block;
  margin-top: 0.5rem;
  color: #005a8d;
  text-decoration: none;
  font-weight: bold;
}

.recurso a:hover {
  text-decoration: underline;
}

footer {
  background-color: #eee;
  text-align: center;
  padding: 1rem;
  font-size: 0.9rem;
}