.video-container{position:relative;width:100%;padding-top:56.25%;overflow:hidden;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.1)}.responsive-video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover}.video-cover{position:absolute;top:0;left:0;width:100%;height:100%;cursor:pointer;z-index:2;transition:opacity 0.3s ease}.video-cover:hover{opacity:.95}.video-cover img{width:100%;height:100%;object-fit:cover;filter:brightness(.9)}.play-button{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:80px;height:80px;background:rgba(255,255,255,.9);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:all 0.3s cubic-bezier(.4,0,.2,1);box-shadow:0 8px 24px rgba(0,0,0,.15);animation:pulse 1.5s infinite}.play-button::after{content:'';width:0;height:0;border-style:solid;border-width:14px 0 14px 24px;border-color:transparent transparent transparent #2c3e50;margin-left:4px;transition:all 0.3s ease}.play-button:hover{background:rgba(255,255,255,1);transform:translate(-50%,-50%) scale(1.1);box-shadow:0 12px 32px rgba(0,0,0,.3);animation:none}.play-button:hover::after{border-color:transparent transparent transparent #e74c3c;transform:scale(1.1)}@keyframes pulse{0%{transform:translate(-50%,-50%) scale(.95)}50%{transform:translate(-50%,-50%) scale(1.05)}100%{transform:translate(-50%,-50%) scale(.95)}}@media (hover:hover){.play-button{animation:pulse 1.5s infinite}}