/* Navigation bar container */
.main-nav {
  background: url('../images/parchment-dark-green.jpg') repeat;
  background-size: 300px 300px;
  border-top: 2px solid #3a4a2a;
  border-bottom: 2px solid #3a4a2a;
  box-shadow: inset 0 0 6px rgba(0,0,0,0.25);
  padding: var(--space-sm) 0;
  text-align: center;
  width: 100%;       /* full width */
  margin: 0;         /* no gap above/below */
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;              /* use flexbox */
  justify-content: center;    /* center the group */
}

.main-nav li {
  background: url('../images/parchment-green.jpg') repeat;
  background-size: 300px 300px;
  border: 2px solid #2a3f2a;
  border-radius: 6px;
  box-shadow: inset 0 0 6px rgba(0,0,0,0.3), 2px 2px 4px rgba(0,0,0,0.4);
  flex: 1;
  max-width: 200px;
  text-align: center;
  margin: 0 0.25rem;
}

.main-nav a {
  display: block;
  padding: 0.75rem 1rem;
  font-family: var(--font-header);
  font-size: 1rem;
  text-transform: uppercase;
  color: #fdfdfd;
  text-shadow: 1px 1px 4px rgba(0,0,0,0.6);
  text-decoration: none;
  transition: color 0.2s ease, text-shadow 0.2s ease;
}

.main-nav a:hover {
  color: #ffe680; /* parchment gold */
  text-shadow: 0 0 6px rgba(255, 230, 128, 0.6); /* warm glow */
}