body {
  font-family: "Computer Modern", "Latin Modern Roman", Georgia, serif;
  line-height: 1.7;
  max-width: 720px;
  margin: 2.5rem auto;
  padding: 0 1.2rem;
  color: #111;
  background: #ffffff;
}
main {
  margin-top: 1.5rem;
}
/* ===== Navigation Horizontal Fix ===== */

.site-nav {
  margin-bottom: 1.5rem;
}

.nav-container {
  display: flex;
  flex-direction: column;
}

.nav-title {
  font-weight: bold;
  margin-bottom: 0.5rem;
}

.nav-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;          /* KEY: horizontal layout */
  flex-wrap: wrap;        /* allows wrapping on small screens */
  gap: 12px;              /* spacing between items */
}

.nav-links li {
  display: inline;
}

.nav-links a {
  text-decoration: none;
  color: #003399;
}

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