/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  color: #333;
}

/* Navigation */
header {
  background: #004aad;
  color: white;
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
}

nav {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  width: 150px;
  height: auto;
}

nav ul {
  display: flex;
  list-style: none;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}

nav ul li a:hover {
  text-decoration: underline;
}

/* Sections */
section {
  padding: 3rem 1rem;
  max-width: 1200px;
  margin: 0 auto;
}

h1, h2, h3 {
  color: #004aad;
}

h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

p, ul {
  margin-bottom: 1rem;
}

ul {
  list-style: disc;
  padding-left: 2rem;
}

/* Product Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.product-card {
  background: #f9f9f9;
  padding: 1rem;
  border-radius: 8px;
  text-align: center;
}

.product-card img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 1rem;
}

/* Buttons & Links */
.cta-button, .download-link {
  display: inline-block;
  padding: 0.75rem 1.5rem;
  background: #004aad;
  color: white;
  text-decoration: none;
  border-radius: 5px;
  margin: 0.5rem;
}

.download-link {
  background: #666;
}

.cta-button:hover, .download-link:hover {
  background: #003087;
}

/* Contact Form */
form {
  display: flex;
  flex-direction: column;
  max-width: 500px;
  margin: 1rem auto;
}

input, textarea {
  padding: 0.5rem;
  margin-bottom: 1rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}

textarea {
  min-height: 150px;
}

/* Footer */
footer {
  background: #f1f1f1;
  padding: 1rem;
  text-align: center;
}

footer a {
  color: #004aad;
  text-decoration: none;
}

/* Responsive Design */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
  }
  nav ul {
    margin-top: 1rem;
    flex-direction: column;
    gap: 0.5rem;
  }
  h1 {
    font-size: 2rem;
  }
  .product-grid {
    grid-template-columns: 1fr;
  }
}