body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background: #f9fafb;
  color: #333;
}
.container {
  width: 90%;
  max-width: 1200px;
  margin: auto;
}
header {
  background: linear-gradient(120deg, #4f46e5, #6366f1);
  color: white;
  text-align: center;
  padding: 50px 20px;
}
.catalog {
  padding: 50px 0;
  text-align: center;
}
.products {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  justify-content: center;
  margin-top: 30px;
}
.product {
  background: white;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
  padding: 20px;
  max-width: 300px;
}
.product img {
  width: 100%;
  border-radius: 8px;
}
.price {
  font-size: 1.2em;
  color: #4f46e5;
  font-weight: bold;
}
.form-section {
  background: #eef2ff;
  padding: 50px 0;
  text-align: center;
}
form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-width: 400px;
  margin: auto;
}
form input, form button {
  padding: 12px;
  border: 1px solid #ccc;
  border-radius: 8px;
  font-size: 1em;
}
form button {
  background: #4f46e5;
  color: white;
  font-weight: bold;
  cursor: pointer;
  border: none;
}
footer {
  background: #1f2937;
  color: white;
  text-align: center;
  padding: 20px 0;
}