body {
  scroll-behavior: smooth;
}

header {
  background-image: url("https://via.placeholder.com/1200x400?text=Banner+Diseño");
  background-size: cover;
  background-position: center;
  color: white;
}

.card img {
  object-fit: cover;
  height: 250px;
}

footer {
  font-size: 0.9rem;
}

img {
  pointer-events: auto;
}