.fondo-fijo {
  height: 100vh;
  background: url("https://changingplacesinthefire.com/wp-content/uploads/2025/10/WebPage_background_2-1.png") no-repeat center center fixed;
  background-size: cover;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: white;
  text-align: center;
}