body {
  font-family: 'Segoe UI', sans-serif;
  margin: 0;
  padding: 0;
  background: #f5f7fa;
  color: #333;
}
.hero {
  background: linear-gradient(135deg, #d1e1f1, #f0f4ff);
  padding: 4rem 2rem;
  text-align: center;
  color: #222;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 2rem;
}
.product-card {
  background: #fff;
  border: 1px solid #ccd5e1;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.06);
  text-align: center;
  padding: 1rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.product-btn {
  background: #0057d8;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  text-decoration: none;
  margin-top: auto;
}
footer {
  text-align: center;
  background: #edf3fa;
  padding: 2rem;
  font-size: 0.9em;
  color: #555;
}