body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, sans-serif;
  background: #fff;
  color: #111;
}
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  border-bottom: 1px solid #ccc;
}
main {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
  padding: 1rem;
}
.producto {
  border: 1px solid #eee;
  padding: 1rem;
  text-align: center;
  border-radius: 10px;
  transition: transform 0.2s;
}
.producto:hover {
  transform: scale(1.02);
}
.producto img {
  max-width: 100%;
  height: 200px;
  object-fit: contain;
}
button {
  background: #000;
  color: #fff;
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 20px;
  cursor: pointer;
}
.modal {
  position: fixed;
  top: 10%;
  left: 50%;
  transform: translateX(-50%);
  background: #fff;
  border: 1px solid #ccc;
  padding: 2rem;
  z-index: 1000;
}
.modal.hidden {
  display: none;
}