body {
  font-family: Montserrat, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f5f5f5;
  color: #333;
}
header h1 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
}
header, footer {
  background-color: #111827;
  color: #fff;
  padding: 1.5em;
  text-align: center;
}
nav a {
  margin: 0 1em;
  color: #fff;
  text-decoration: none;
  font-weight: bold;
}
main {
  padding: 2em;
}
.section {
  margin-bottom: 3em;
}
.product-list {
  display: flex;
  flex-wrap: wrap;
  gap: 2em;
}
.product {
  background: white;
  border-radius: 8px;
  padding: 1em;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  flex: 1 1 calc(33% - 2em);
  min-width: 250px;
}
.contact-form input, .contact-form textarea {
  width: 100%;
  padding: 0.75em;
  margin-bottom: 1em;
  border: 1px solid #ccc;
  border-radius: 4px;
}
.contact-form button {
  background-color: #111827;
  color: white;
  padding: 0.75em 2em;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}