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

/* Typography */
body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f9f9f9;
}
h1, h2, h3 {
  color: #004080;
  margin-bottom: 15px;
}
p {
  margin-bottom: 20px;
}

/* Layout */
.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
}

/* Header */
header {
  background: #004080;
  color: white;
  padding: 10px 0;
}
.logo {
  max-height: 50px;
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 20px;
}
.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: bold;
}
.nav-links a:hover {
  text-decoration: underline;
}
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 2rem;
  color: white;
  cursor: pointer;
}

/* Main */
main {
  padding: 40px 0;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 20px;
  background: #004080;
  color: white;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.3s ease;
}
.btn:hover {
  background: #0066cc;
}

/* Footer */
footer {
  background: #f1f1f1;
  padding: 20px 0;
  text-align: center;
  font-size: 0.9rem;
  margin-top: 40px;
}

/* Mobile */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    background: #004080;
    padding: 20px;
    position: absolute;
    top: 60px;
    right: 0;
  }
  .nav-links.active {
    display: flex;
  }
  .nav-toggle {
    display: block;
  }
}

/* Dropdown styles */
.dropdown {
  position: relative;
}
.dropdown-menu {
  display: none;
  position: absolute;
  background: #004080;
  list-style: none;
  padding: 10px 0;
  margin: 0;
  top: 100%;
  left: 0;
  min-width: 200px;
  border-radius: 4px;
  z-index: 1000;
}
.dropdown-menu li {
  padding: 5px 15px;
}
.dropdown-menu a {
  color: white;
  text-decoration: none;
  display: block;
}
.dropdown-menu a:hover {
  background: #0066cc;
}
.dropdown:hover .dropdown-menu {
  display: block;
}

/* Mobile dropdowns */
@media (max-width: 768px) {
  .dropdown-menu {
    position: static;
    background: #003366;
    border-radius: 0;
  }
  .dropdown:hover .dropdown-menu {
    display: none;
  }
  .dropdown.active .dropdown-menu {
    display: block;
  }
}