/* style.css — Light blue header/nav */

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  background: #ffffff; /* keep body white for readability */
  color: #333333;
}

header {
  background: #d9ecfa; /* light blue header */
  color: #1e4e8c;      /* darker blue text */
  padding: 1.5rem;
  text-align: center;
}

nav ul {
  display: flex;
  justify-content: center;
  list-style: none;
  margin: 0;
  padding: 0.5rem 0;
  background: #d9ecfa; /* same light blue as header */
  border-top: 1px solid #c3ddf5;
  border-bottom: 1px solid #c3ddf5;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: block;
  padding: 0.7rem 1.2rem;
  color: #2d6eb6; /* medium blue */
  text-decoration: none;
  font-weight: 500;
}

nav ul li a:hover {
  background: #bcdcf7; /* slightly darker blue hover */
  border-radius: 6px;
}

main {
  max-width: 900px;
  margin: 2rem auto;
  padding: 2rem;
}

h1, h2, h3 {
  color: #1e4e8c; /* heading text in dark blue */
}

footer {
  text-align: center;
  padding: 1rem;
  background: #f7f9fc;
  color: #555555;
  margin-top: 2rem;
  border-top: 1px solid #e0e6ef;
}