.hero-bg { min-height:420px; background-color:#e9ecef; overflow:hidden; }
.hero-bg img { display:block; width:100%; height:auto; object-fit:cover; }
.ad-slot { min-height:90px; min-width:300px; display:flex; align-items:center; justify-content:center; }
/* Reserve ad iframe sizes to prevent CLS */
.ad-slot .ad-placeholder { width:100%; max-width:728px; height:90px; background:#f1f3f5; display:flex; align-items:center; justify-content:center; }