body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: #0b0f19;
  color: white;
}

.header {
  display: flex;
  justify-content: space-between;
  padding: 15px 20px;
  background: #111827;
  position: sticky;
  top: 0;
}

.logo {
  font-weight: bold;
}

.cart-btn {
  background: #7c3aed;
  border: none;
  padding: 10px 12px;
  color: white;
  border-radius: 8px;
}

.hero {
  text-align: center;
  padding: 40px;
}

.container {
  padding: 20px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 15px;
}

.card {
  background: #1f2937;
  padding: 15px;
  border-radius: 10px;
}

.card button {
  width: 100%;
  margin-top: 10px;
  padding: 8px;
  background: #7c3aed;
  border: none;
  color: white;
  border-radius: 6px;
}

/* CART */
.cart {
  position: fixed;
  right: -400px;
  top: 0;
  width: 320px;
  height: 100%;
  background: #111827;
  padding: 20px;
  transition: 0.3s;
}

.cart.open {
  right: 0;
}

.overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  display: none;
}

.overlay.show {
  display: block;
}