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

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  line-height: 1.6;
  background: #f9f9f9;
  color: #333;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #fff;
  border-bottom: 1px solid #ddd;
  padding: 0.75rem 1.5rem;
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand {
  font-size: 1.2rem;
  font-weight: bold;
  color: #004080;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links li a {
  text-decoration: none;
  color: #004080;
  font-weight: 600;
  transition: color 0.3s;
}

.nav-links li a:hover {
  color: #0066cc;
}

.menu-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: #004080;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #004080, #0066cc);
  color: white;
  text-align: center;
  padding: 4rem 1rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.hero p {
  font-size: 1.2rem;
}

/* Sections */
main section {
  padding: 3rem 1rem;
  max-width: 1000px;
  margin: auto;
}

main h2 {
  margin-bottom: 1rem;
  color: #004080;
}

/* Cards */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.card {
  background: #fff;
  border: 1px solid #ddd;
  padding: 1.5rem;
  text-align: center;
  border-radius: 8px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Footer */
footer {
  background: #004080;
  color: white;
  text-align: center;
  padding: 1rem;
  margin-top: 2rem;
}

footer a {
  color: #fff;
  text-decoration: underline;
  margin: 0 0.5rem;
  transition: color 0.3s;
}

footer a:hover {
  color: #cce0ff;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: #fff;
    position: absolute;
    top: 60px;
    right: 10px;
    border: 1px solid #ddd;
    padding: 1rem;
  }

  .nav-links.show {
    display: flex;
  }

  .menu-toggle {
    display: block;
  }
}