body {
  font-family: Arial, sans-serif;
  margin: 0;
  line-height: 1.6;
  color: #222;
}

header {
  background: #004080;
  color: #fff;
  padding: 10px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1000px;
  margin: auto;
  padding: 0 20px;
}

.logo {
  height: 50px;
}

nav a {
  color: #fff;
  text-decoration: none;
  margin: 0 10px;
  font-weight: 600;
}

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

.hero {
  background: #e6f0ff;
  text-align: center;
  padding: 60px 20px;
}

section {
  padding: 40px 20px;
  max-width: 1000px;
  margin: auto;
}

h2 {
  color: #004080;
  margin-top: 0;
}

ul {
  list-style: square;
  margin-left: 20px;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.06);
}

footer {
  background: #00264d;
  color: #fff;
  text-align: center;
  padding: 15px;
  margin-top: 40px;
}

@media (max-width: 600px) {
  header .container { flex-direction: column; }
  nav { margin-top: 8px; }
}