.logo1{transition:transform 0.3s ease,box-shadow 0.3s ease;box-shadow:none}.logo1:hover{transform:translateY(-10px);box-shadow:0 15px 30px rgba(0,0,0,0.3)}@media (max-width:768px){.logo1:hover{transform:translateY(0);box-shadow:none}}.video-thumbnail{position:relative;cursor:pointer}.video-thumbnail-img{width:100%;max-width:600px;height:auto}.play-button{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:40px;color:white;background-color:rgba(0,0,0,0.5);padding:10px;border-radius:50%;cursor:pointer}.video-modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,0.8)}.video-modal-content{position:relative;margin:auto;top:10%;width:80%;height:80%}.close{position:absolute;top:10px;right:25px;color:white;font-size:40px;font-weight:bold;cursor:pointer}.ma-colonne-1{width:40%}.ma-colonne-2{width:20%}.ma-colonne-3{width:20%}.ma-colonne-4{width:20%}