/* Basic reset and typography */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

header.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #004e7c;
  color: white;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: 500;
}

.nav-links a:hover {
  text-decoration: underline;
}

main {
  padding: 2rem;
}

.hero {
  text-align: center;
  padding: 4rem 2rem;
  background: #e0f0ff;
}

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

.hero p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: 0 auto;
}

.about,
.products,
.cta {
  margin-top: 4rem;
}

.about h2,
.products h2,
.cta h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.product-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.product-card {
  background: white;
  padding: 1.5rem;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.product-card h3 {
  margin-bottom: 0.5rem;
}

.product-card p {
  font-size: 0.9rem;
  line-height: 1.4;
}

.button {
  display: inline-block;
  background-color: #0073e6;
  color: white;
  padding: 0.75rem 1.5rem;
border-radius: 4px;
  text-decoration: none;
  margin-top: 1rem;
}

.button:hover {
  background-color: #005bb5;
}

footer {
  text-align: center;
  padding: 1.5rem 2rem;
  background-color: #f2f2f2;
  margin-top: 4rem;
  font-size: 0.85rem;
}

/* Responsive adjustments */
@media (max-width: 600px) {
  .hero h1 {
    font-size: 2rem;
  }
  .hero p {
    font-size: 1rem;
  }
}