/* CSA Brand Book 1.0: shared identity tokens, not a redesign of the Arms. */
:root {
  --csa-navy: #0A2540;
  --csa-royal-blue: #0E4C91;
  --csa-steel: #8AA5C5;
  --csa-silver: #D0D8E6;
  --csa-gold-accent: #C6A966;
  --csa-white: #FFFFFF;
}
.gate-header .brand { display: block; flex: 0 1 288px; min-width: 140px; padding: 8px 0; }
.gate-header .brand img { display: block; width: 100%; max-width: 288px; height: auto; }
.gate-header .desktop-nav { flex-shrink: 0; }
.gate-header .mobile-nav { flex: 0 0 auto; }
@media (max-width: 760px) {
  .gate-header .brand { flex-basis: 240px; }
  .gate-header .brand img { max-width: 240px; }
}
@media (prefers-reduced-motion: reduce) {
  .entrance-routes a { transition: none; }
  .entrance-routes a:hover { transform: none; }
}