.video-section{display:flex;flex-wrap:wrap;gap:20px;color:#fff}.main-video-container{flex:1 1 100%;position:relative}.main-video-thumbnail{position:relative;border-radius:10px;overflow:hidden}.main-video-thumbnail img{width:100%;height:auto;display:block}.main-video-overlay{position:absolute;bottom:0;left:0;right:0;text-align:center;padding:10px 20px;background:linear-gradient(transparent, rgba(0, 0, 0, 0.8))}.youtube-title a{color:#fff;font-size:24px;font-weight:bold;text-decoration:none}.play-btn{position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);width:80px;height:80px;background-color:rgba(255,255,255,.8);border-radius:50%;display:flex;justify-content:center;align-items:center;animation:pulse 1.5s infinite}.play-btn i{font-size:30px;color:#000}@keyframes pulse{0%{transform:scale(1)}50%{transform:scale(1.1)}100%{transform:scale(1)}}.sidebar-videos{flex:1 1 100%;display:grid;grid-template-columns:repeat(auto-fit, minmax(200px, 1fr));gap:15px}.sidebar-video-item{position:relative;border-radius:10px;overflow:hidden;background:#222}.sidebar-thumbnail{position:relative;width:100%;overflow:hidden}.sidebar-thumbnail img{width:100%;height:auto;display:block}.sidebar-video-info{padding:10px}.youtube-title-sidebar a{text-decoration:none;color:#fff;font-size:16px;font-weight:bold;display:block;text-align:center}.play-btn-small{position:absolute;top:50%;left:50%;transform:translate(-50%, -50%);width:40px;height:40px;background-color:rgba(255,255,255,.8);border-radius:50%;display:flex;justify-content:center;align-items:center}.play-btn-small i{font-size:20px;color:#000}@media(max-width: 768px){.main-video-container{flex:1 1 100%}.sidebar-videos{grid-template-columns:1fr}}