body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background: #ffffff;
  color: #333;
}

.container {
  width: 90%;
  margin: 0 auto;
  max-width: 1200px;
}

header {
  background: #0a3d62;
  color: white;
  padding: 20px 0;
}

header h1 {
  margin: 0;
}

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 15px;
}

nav a {
  color: white;
  text-decoration: none;
}

.hero {
  background: #f0f0f0;
  padding: 60px 0;
  text-align: center;
}

.about, .products, .contact {
  padding: 40px 0;
}

footer {
  background: #0a3d62;
  color: white;
  text-align: center;
  padding: 20px 0;
}

form input, form textarea {
  display: block;
  width: 100%;
  margin-bottom: 10px;
  padding: 10px;
}

form button {
  background: #0a3d62;
  color: white;
  border: none;
  padding: 10px 20px;
  cursor: pointer;
}