:root {
  --nau-blue:#003466;
  --nau-gold:#FFC627;
}
body { font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji"; }
.navbar-brand { color: var(--nau-blue); }
.btn-primary { background-color: var(--nau-blue); border-color: var(--nau-blue); }
.btn-primary:hover { filter: brightness(0.95); }
a { text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.card { border-radius: 1rem; }