/* Global Styles */
body {
  font-family: Arial, sans-serif;
  background-color: #f0f4f8;
  margin: 0;
  padding: 0;
  color: #333;
}

/* Header & Navigation */
header {
  background-color: #1a1a1a;
  color: white;
  padding: 1rem 0;
  text-align: center;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: #007acc;
  display: flex;
  justify-content: center;
}

nav ul li {
  margin: 0 15px;
}

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

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

/* Main Content */
main {
  padding: 2rem;
  background-color: #e0e6ed;
  min-height: 70vh;
}

/* Footer */
footer {
  background-color: #1a1a1a;
  color: white;
  text-align: center;
  padding: 1rem 0;
}