.main-content-wrapper {padding: 40px 0 80px;}.main-content-wrapper aside {text-align: center;margin-bottom: 30px;}.main-content-wrapper aside h1 {font-size: 32px;color: #003366;margin-bottom: 10px;}.utility-section {max-width: 1200px;margin: 0 auto 40px;display: flex;flex-direction: column;gap: 20px;align-items: center;}.category-container {display: flex;flex-wrap: wrap;gap: 10px;justify-content: center;}.category-btn {background: #ffffff;border: 1px solid #cbd5e1;padding: 8px 18px;border-radius: 20px;color: #003366;font-weight: 600;cursor: pointer;transition: all 0.25s ease;}.category-btn:hover, .category-btn.active {background: #003366;color: #ffffff;border-color: #003366;}.filter-section {width: 100%;max-width: 500px;}.filter-input {width: 100%;padding: 12px 20px;border: 1px solid #cbd5e1;border-radius: 8px;font-size: 15px;outline: none;}.filter-input:focus {border-color: #004080;box-shadow: 0 0 0 3px rgba(0, 64, 128, 0.1);}#links-grid {display: grid;grid-template-columns: repeat(3, 1fr);gap: 25px;max-width: 1200px;margin: 0 auto;}#links-grid .card {display: flex;flex-direction: column;background: #ffffff;border-radius: 12px;overflow: hidden;border: 1px solid #e2e8f0;border-top: 4px solid #004080;text-decoration: none;color: inherit;box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);transition: transform 0.25s ease, box-shadow 0.25s ease;padding: 0;}#links-grid .card:hover {transform: translateY(-5px);box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);}.card-image-wrapper {width: 100%;height: 160px;background: #f1f5f9;position: relative;overflow: hidden;}.card-image {width: 100%;height: 100%;object-fit: cover;}.card-image-fallback {width: 100%;height: 100%;display: flex;align-items: center;justify-content: center;font-size: 42px;font-weight: 700;color: #003366;background: #e2e8f0;text-transform: uppercase;}.card-content {padding: 20px;display: flex;flex-direction: column;flex-grow: 1;}.card-title {font-size: 18px;font-weight: 700;color: #003366;margin-bottom: 8px;line-height: 1.3;}.card-description {font-size: 14px;color: #475569;line-height: 1.5;margin-bottom: 15px;flex-grow: 1;}.card-url {font-size: 13px;font-weight: 600;color: #d4af37;text-transform: lowercase;}.skeleton {background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);background-size: 200% 100%;animation: loading 1.5s infinite;}@keyframes loading {0% {background-position: 200% 0;}100% {background-position: -200% 0;}}@media screen and (max-width: 992px) {#links-grid {grid-template-columns: repeat(2, 1fr);}}@media screen and (max-width: 600px) {#links-grid {grid-template-columns: 1fr;}}