/* Research Page Styles */

.page-header {
    padding: 150px 0 80px;
    background: linear-gradient(rgba(11, 14, 17, 0.9), rgba(11, 14, 17, 0.7)), url('https://images.unsplash.com/photo-1543286386-713bdd548da4?q=80&w=2070&auto=format&fit=crop');
    background-size: cover;
    background-position: center;
    text-align: center;
    position: relative;
}

.page-content {
    padding: 80px 0;
}

.research-intro {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
}

.research-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

@media (max-width: 768px) {
    .research-grid {
        grid-template-columns: 1fr;
    }
}

.research-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

.research-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.research-card-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.research-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.research-category {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-weight: 500;
}

.research-date {
    color: var(--text-color-muted);
}

.research-title {
    font-size: 1.5rem;
    margin-bottom: 15px;
    line-height: 1.4;
}

.research-authors {
    margin-bottom: 20px;
    color: var(--text-color-muted);
}

.research-excerpt {
    margin-bottom: 25px;
    flex-grow: 1;
}

.research-actions {
    display: flex;
    gap: 15px;
    margin-top: auto;
}

.research-btn {
    display: inline-flex;
    align-items: center;
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
    transition: var(--transition);
}

.btn-pdf {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid rgba(220, 53, 69, 0.2);
}

.btn-pdf:hover {
    background: rgba(220, 53, 69, 0.2);
}

.btn-abstract {
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(108, 99, 255, 0.2);
}

.btn-abstract:hover {
    background: rgba(108, 99, 255, 0.2);
}

.research-icon {
    margin-right: 8px;
}

.research-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

.filter-btn {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-color);
    padding: 8px 18px;
    border-radius: 30px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition);
}

.filter-btn.active, .filter-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.research-pagination {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 50px;
}

.pagination-item {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--text-color);
    transition: var(--transition);
}

.pagination-item:hover, .pagination-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.featured-research {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--card-radius);
    padding: 40px;
    margin-bottom: 60px;
    position: relative;
    overflow: hidden;
}

.featured-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: white;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.featured-research-content {
    display: flex;
    gap: 40px;
    align-items: center;
}

@media (max-width: 992px) {
    .featured-research-content {
        flex-direction: column;
        text-align: center;
    }
}

.featured-research-image {
    flex: 0 0 250px;
}

.featured-research-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.featured-research-text {
    flex-grow: 1;
}

.featured-research-title {
    font-size: 2rem;
    margin-bottom: 15px;
    line-height: 1.3;
}

.featured-research-meta {
    display: flex;
    margin-bottom: 20px;
    font-size: 0.95rem;
    color: var(--text-color-muted);
}

@media (max-width: 992px) {
    .featured-research-meta {
        justify-content: center;
    }
}

.featured-research-meta > div {
    margin-right: 20px;
}

.featured-research-description {
    margin-bottom: 25px;
    line-height: 1.7;
}

.featured-research-stats {
    display: flex;
    gap: 30px;
    margin-bottom: 25px;
}

@media (max-width: 992px) {
    .featured-research-stats {
        justify-content: center;
    }
}

.stat-item {
    display: flex;
    align-items: center;
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: rgba(108, 99, 255, 0.1);
    color: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 10px;
}

.stat-text {
    font-size: 0.9rem;
}

.stat-value {
    font-weight: 600;
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.featured-research-actions {
    display: flex;
    gap: 15px;
}

@media (max-width: 992px) {
    .featured-research-actions {
        justify-content: center;
    }
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 0;
}

.floating-element {
    position: absolute;
    background: rgba(108, 99, 255, 0.1);
    border-radius: 50%;
}

.fe-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
}

.fe-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    right: 10%;
}

.fe-3 {
    width: 150px;
    height: 150px;
    top: 20%;
    right: -75px;
}

.research-search {
    display: flex;
    max-width: 600px;
    margin: 0 auto 40px;
}

.research-search input {
    flex-grow: 1;
    padding: 15px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px 0 0 8px;
    color: var(--text-color);
    font-size: 1rem;
}

.research-search button {
    padding: 0 25px;
    background: var(--primary-color);
    border: 1px solid var(--primary-color);
    border-radius: 0 8px 8px 0;
    color: white;
    cursor: pointer;
    transition: var(--transition);
}

.research-search button:hover {
    background: #5751e5;
}