.certificates-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:3rem;padding:2rem 4rem}.certificate-item{flex:0 1 300px;transition:transform var(--transition-speed) ease;cursor:pointer;display:flex;align-items:center;justify-content:center;height:100%}.certificate-item-horizontal{flex:0 1 600px;flex:0 2 calc(600px + 3rem)}.certificate-item img{width:100%;height:auto;display:block;border:1px solid #ddd}.certificate-item:hover{transform:scale(1.03)}.certificate-item:hover img{box-shadow:0 5px 15px rgba(0,0,0,.1)}.modal{display:none;position:fixed;z-index:1000;left:0;top:0;width:100%;height:100%;background-color:rgba(0,0,0,.8);cursor:zoom-out;padding:40px;box-sizing:border-box}.modal-content{margin:auto;display:block;max-width:90%;max-height:90%;object-fit:contain;animation:zoom var(--transition-speed)}@keyframes zoom{from{transform:scale(.7)}to{transform:scale(1)}}.modal-close{position:absolute;top:20px;right:35px;color:#f1f1f1;font-size:var(--text-bigger);font-weight:bold;cursor:pointer}