body {
  margin: 0;
  font-family: Arial, sans-serif;
  background-color: #f0f2f5;
  color: #333;
}
.banner {
  position: relative;
  text-align: center;
}
.banner-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  height: 300px;
  width: 100%;
  background: rgba(0, 0, 0, 0.5);
  color: #fff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.navbar {
  background-color: #004d66;
  padding: 1rem;
  text-align: center;
}
.navbar a {
  color: white;
  margin: 0 1rem;
  text-decoration: none;
}
.section {
  padding: 2rem;
  max-width: 900px;
  margin: auto;
  background: white;
  margin-top: 2rem;
  border-radius: 8px;
}
.product-gallery {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}
.product-gallery img {
  width: 200px;
  height: 150px;
  object-fit: cover;
  border-radius: 8px;
}
form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
form input, form textarea {
  padding: 0.5rem;
  max-width: 500px;
}
form button {
  background-color: #004d66;
  color: white;
  padding: 0.5rem 1rem;
  border: none;
  cursor: pointer;
}
.footer {
  background-color: #222;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}