body {
  font-family: 'Poppins', sans-serif;
  background: #eef1f5;
  margin: 0;
  padding: 2rem;
}
.titulo {
  text-align: center;
  margin-bottom: 2rem;
  font-size: 1.8rem;
  background-color: #4f0d8b;
  color: white;
  padding: 10px;
  border-radius: 8px;
}
.botonera {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.botonera button {
  border: none;
  padding: 10px 14px;
  background-color: #ffffff;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.2);
  cursor: pointer;
  font-size: 0.9rem;
  transition: background 0.3s;
}
.botonera button:hover {
  background-color: #4f0d8b;
  color: white;
}
.contenido {
  max-width: 800px;
  margin: auto;
}
.step {
  display: none;
  background-color: #fff;
  padding: 1.5rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.step.active {
  display: block;
}