body {
  font-family: Arial, sans-serif;
  margin: 0;
  background-color: #f4f4f9;
  color: #333;
}

header {
  background: #004080;
  color: white;
  padding: 20px;
  text-align: center;
}

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

nav ul li {
  display: inline;
  margin: 0 15px;
}

nav ul li a {
  color: white;
  text-decoration: none;
}

section {
  padding: 40px;
  max-width: 800px;
  margin: auto;
}

.project-card {
  background: white;
  padding: 20px;
  margin: 15px 0;
  border-radius: 8px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

footer {
  background: #004080;
  color: white;
  text-align: center;
  padding: 10px;
}