body {
  font-family: Arial, sans-serif;
  margin: 0;
  background: #f9f9f9;
  color: #333;
}

header {
  background: #0078d7;
  color: white;
  padding: 1em;
  text-align: center;
}

nav a {
  color: white;
  margin: 0 10px;
  text-decoration: none;
}

nav a.active {
  text-decoration: underline;
  font-weight: bold;
}

#product-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 20px;
}

.product {
  background: white;
  border: 1px solid #ccc;
  border-radius: 5px;
  margin: 10px;
  width: 220px;
  text-align: center;
  box-shadow: 2px 2px 8px rgba(0,0,0,0.1);
  transition: 0.3s;
}

.product:hover {
  transform: scale(1.03);
}

.product img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.product h3 {
  margin: 10px 0 5px;
}

.product p {
  font-size: 0.9em;
  padding: 0 10px 10px;
}

footer {
  text-align: center;
  padding: 10px;
  background: #eee;
}
.lightbox-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.8);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}

.lightbox-overlay img {
  max-width: 90%;
  max-height: 90%;
  border: 3px solid white;
  border-radius: 5px;
  box-shadow: 0 0 20px #000;
  animation: zoom 0.3s ease;
}

@keyframes zoom {
  from { transform: scale(0.7); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}