body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; color: #222; }
.navbar-brand img { max-height: 48px; }
.card img { object-fit: cover; height: 220px; width: 100%; }
@media (max-width: 576px) {
  .card img { height: 160px; }
}