.catalog-card{background:#fff;border:1px solid #e0e0e0;border-radius:8px;margin-bottom:30px;transition:all .3s;overflow:hidden}.catalog-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #0000001a}.catalog-image{height:400px;position:relative;overflow:hidden}.catalog-image img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%;transition:transform .3s}.catalog-card:hover .catalog-image img{transform:scale(1.05)}.catalog-overlay{opacity:0;background:#0f2e4ecc;flex-direction:column;justify-content:center;align-items:center;transition:opacity .3s;display:flex;position:absolute;inset:0}.catalog-card:hover .catalog-overlay{opacity:1}.catalog-content{padding:25px}.catalog-category{color:#fff;text-transform:uppercase;background:#0f2e4e;border-radius:4px;margin-bottom:15px;padding:5px 15px;font-size:12px;display:inline-block}.catalog-content h3{margin-bottom:15px;font-size:22px;font-weight:600}.catalog-content h3 a{color:#0f2e4e;transition:color .3s}.catalog-content h3 a:hover{color:#d16767}.catalog-content p{color:#666;margin-bottom:20px;line-height:1.6}.catalog-actions{flex-wrap:wrap;gap:10px;display:flex}.theme-btn-outline{color:#0f2e4e;background:0 0;border:2px solid #0f2e4e}.theme-btn-outline:hover{color:#fff;background:#0f2e4e}.catalog-detail{background:#f8f9fa}.catalog-viewer{background:#fff;border-radius:8px;padding:40px;box-shadow:0 2px 10px #0000001a}.catalog-header h2{color:#0f2e4e;margin-bottom:20px}.catalog-meta{align-items:center;gap:20px;margin-bottom:20px;display:flex}.badge{color:#fff;background:#0f2e4e;border-radius:4px;padding:8px 16px;font-size:14px}.pages-info{color:#666;font-size:16px}.pdf-viewer-container{background:#f8f9fa;border-radius:8px;padding:20px}.catalog-info h3,.catalog-info h4{color:#0f2e4e;margin-bottom:15px}.catalog-details{padding:0;list-style:none}.catalog-details li{border-bottom:1px solid #e0e0e0;padding:10px 0}.catalog-details li:last-child{border-bottom:none}@media (max-width:768px){.catalog-actions{flex-direction:column}.catalog-actions a{text-align:center;width:100%}.catalog-viewer{padding:20px}.pdf-viewer-container iframe,.pdf-viewer-container object{height:600px}}