:root { --od-accent: #0d2538; --od-accent-2: #1d5a7a; }
body { font-family: -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; background: #f7f8fa; }
.card { border: none; border-radius: 0.6rem; }
.card-img-top { object-fit: cover; height: 180px; background: #eef1f4; }
.btn-primary { background: var(--od-accent); border-color: var(--od-accent); }
.btn-primary:hover { background: var(--od-accent-2); border-color: var(--od-accent-2); }
.navbar-brand img { border-radius: 6px; }
footer a:hover { text-decoration: underline; }