.iframe-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:20px;padding:20px}
.iframe-card{background:#111;padding:10px;border-radius:12px}
.iframe-card h5{text-align:center;color:#fff;margin-bottom:8px}
.iframe-wrapper{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;border-radius:8px}