/* General Styles */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #e6f0fa;
  color: #333;
}

a {
  color: #007BFF;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* Header */
header {
  background-color: #004a99;
  color: white;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 15px 20px;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.logo {
  font-size: 1.6rem;
  font-weight: bold;
}

nav ul {
  list-style: none;
  display: flex;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin-left: 25px;
}

nav ul li a {
  color: white;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 4px;
  transition: background-color 0.3s ease;
}

nav ul li a.active,
nav ul li a:hover {
  background-color: #007BFF;
}

/* Main content */
main {
  max-width: 900px;
  margin: 30px auto;
  padding: 0 20px;
}

h1, h2 {
  color: #004a99;
}

.hero {
  background: linear-gradient(135deg, #0066cc, #3399ff);
  color: white;
  padding: 40px 20px;
  border-radius: 8px;
  text-align: center;
  margin-bottom: 30px;
}

/* Footer */
footer {
  background-color: #004a99;
  color: white;
  text-align: center;
  padding: 15px 0;
  margin-top: 50px;
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }
  nav ul {
    flex-direction: column;
    width: 100%;
  }
  nav ul li {
    margin-left: 0;
    margin-bottom: 10px;
  }
  main {
    padding: 0 15px;
  }
}