.solution-card:hover{transform:translateY(-5px);box-shadow:0 10px 25px rgba(0,0,0,.1)}.video-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.8);display:flex;align-items:center;justify-content:center;z-index:100}.video-container{position:relative;width:80%;max-width:800px;aspect-ratio:16/9}.video-container iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:none}.close-video{position:absolute;top:-40px;right:0;background:transparent;border:none;color:white;font-size:24px;cursor:pointer}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-overlay{animation:fadeIn .3s ease-out}.modal-content{animation:slideUp .3s ease-out}