body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #fff;
  color: #222;
}
.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: #ffcc00;
  color: #000;
}

.set-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  /* gap: 1.5rem; */
  /* padding: 2rem; */
}
.set-card {
  background: #fff;
  border: 2px solid #eee;
  /* border-radius: 10px; */
  padding: 1rem;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}
.set-card img {
  width: 100%;
  border-radius: 10px;
}

@media (max-width: 768px) {
  .nav { display: none; }
  .menu-toggle { display: block; }
}