.video-gallery{font-family:Inter,sans-serif;margin:60px auto;max-width:1200px;padding:0 20px}.video-row{display:grid;gap:24px;grid-template-columns:repeat(3,1fr);margin-bottom:40px}.tile{background:#fff;border-radius:12px;box-shadow:0 3px 10px rgba(0,0,0,.08);cursor:pointer;padding:30px 20px;text-align:center;transition:all .3s ease}.tile:hover{background:#eef3ff;transform:translateY(-4px)}.tile-title{color:#2a4d9b;font-size:1.2rem;margin-bottom:10px;margin-top:0}.video-expanded{animation:fadeIn .3s ease;background:#fff;border-radius:12px;box-shadow:0 4px 14px rgba(0,0,0,.1);display:none;grid-column:1/-1;padding:20px}.video-expanded.active{display:block}.video-expanded iframe{border:none;height:480px;margin-bottom:15px;width:100%}.video-description{color:#444;font-size:1rem;text-align:center}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}@media (max-width:900px){.video-row{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.video-row{grid-template-columns:1fr}}