* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  color: #222;
}

header {
  padding: 50px 20px;
  text-align: center;
  background-color: #222;
  color: white;
}

header h1 {
  margin-bottom: 10px;
}

.contenedor {
  max-width: 1000px;
  margin: auto;
  padding: 40px 20px;
}

.introduccion {
  margin-bottom: 40px;
}

.comparacion {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.columna {
  padding: 25px;
  background-color: white;
  border: 1px solid #ccc;
}

.tipo {
  font-weight: bold;
  color: #777;
}

.pregunta {
  margin-top: 30px;
}

.pregunta h3 {
  margin-bottom: 8px;
}

.ejemplo {
  margin-top: 50px;
}

.cajas {
  display: flex;
  gap: 10px;
  margin: 20px 0;
}

.caja {
  flex: 1;
  padding: 30px;
  text-align: center;
  background-color: #ddd;
}

button {
  padding: 10px 20px;
  border: none;
  background-color: #222;
  color: white;
  cursor: pointer;
}

footer {
  padding: 20px;
  text-align: center;
  background-color: #222;
  color: white;
}

@media (max-width: 700px) {

  .comparacion {
    grid-template-columns: 1fr;
  }

  .cajas {
    flex-direction: column;
  }

}