body {
  margin: 0;
  font-family: 'Poppins', sans-serif;
  background: #f5f5f5;
}

header {
  background: #222;
  color: #fff;
  display: flex;
  justify-content: space-between;
  padding: 15px 30px;
  align-items: center;
}

header a {
  color: white;
  text-decoration: none;
  margin-left: 15px;
}

header a.active {
  text-decoration: underline;
}

.hero {
  background: url('https://images.unsplash.com/photo-1526170375885-4d8ecf77b99f?w=1600') center/cover no-repeat;
  color: white;
  text-align: center;
  padding: 100px 20px;
}

.hero .btn {
  background: #0072ff;
  color: white;
  padding: 10px 25px;
  text-decoration: none;
  border-radius: 5px;
  display: inline-block;
  margin-top: 15px;
}

.product-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  padding: 30px;
  gap: 20px;
}

.product {
  background: white;
  border: 1px solid #ddd;
  border-radius: 8px;
  padding: 15px;
  width: 220px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.product img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  border-radius: 6px;
}

.product h3 {
  margin: 10px 0;
}

.btn {
  background: #0072ff;
  color: white;
  padding: 8px 15px;
  text-decoration: none;
  border-radius: 5px;
  display: inline-block;
}

footer {
  background: #222;
  color: white;
  text-align: center;
  padding: 20px;
}