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

header {
  background: #222;
  color: white;
  padding: 1rem;
  text-align: center;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: center;
  gap: 1rem;
}

nav a {
  color: white;
  text-decoration: none;
}

.hero {
  background: #eee;
  padding: 2rem;
  text-align: center;
}

section {
  padding: 2rem;
}

.controls {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

#searchInput, #categoryFilter, #sortPrice {
  padding: 0.5rem;
  font-size: 1rem;
  border-radius: 4px;
  border: 1px solid #ccc;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.5rem;
}

.product-card {
  background: white;
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  text-align: center;
}

.product-card img {
  max-width: 100%;
  height: auto;
  margin-bottom: 1rem;
}

footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 1rem;
}