.banner-con-imagen {
 
  background-size: cover;
  background-position: center;
  background-repeat: repeat;
  padding: 4em 1em;
  text-align: center;
  position: relative;
  color: white;
  margin-top: 2em;
  overflow: hidden;
}

.banner-con-imagen::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5); /* oscurece un poco la imagen */
  z-index: 0;
}

.banner-con-imagen h1 {
  position: relative;
  z-index: 1;
  font-size: 2.5em;
  animation: fadeInDown 1s ease-out;
}

@media (max-width: 768px) {
  .banner-con-imagen h1 {
    font-size: 1.5em;
  }
}

/* Animación suave de entrada */
@keyframes fadeInDown {
  0% {
    opacity: 0;
    transform: translateY(-20px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}