/* Main container */
.unyfac-portfolio {
    font-family: 'Poppins', sans-serif;
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Filters */
.portfolio-filters {
    margin-bottom: 40px;
    padding: 0 20px;
}

.filter-nav {
    overflow-x: auto;
    white-space: nowrap;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.filter-nav ul {
    display: inline-flex;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 8px;
}

.filter-nav li {
    display: inline-block;
}

.filter-nav li a {
    display: block;
    padding: 10px 25px;
    text-decoration: none;
    color: #333;
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid #eee;
    transition: all 0.3s ease;
    border-radius: 30px;
}

/* Portfolio grid */
.portfolio-grid {
    display: grid;
    margin-bottom: 60px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    aspect-ratio: 1/1;
    cursor: pointer;
}

.portfolio-image {
    position: relative;
    width: 100%;
    height: 100%;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.portfolio-content {
    text-align: center;
    padding: 20px;
    transform: translateY(20px);
    transition: transform 0.4s ease;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-content {
    transform: translateY(0);
}

.portfolio-title {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.portfolio-category {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.placeholder-image {
    height: 100%;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #999;
    font-style: italic;
}

/* Pagination */
.portfolio-pagination {
    display: flex;
    justify-content: center;
    margin-top: 40px;
    padding: 0 20px;
}

.pagination-numbers {
    display: flex;
    gap: 12px;
    align-items: center;
}

.page-numbers {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 20px;
    min-width: 45px;
    height: 45px;
    text-decoration: none;
    color: #333;
    font-weight: 700;
    border: 2px solid #eee;
    transition: all 0.3s ease;
    border-radius: 30px;
    text-align: center;
}

.page-numbers.next,
.page-numbers.prev {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
}

.no-items {
    text-align: center;
    padding: 60px 20px;
    font-size: 18px;
    color: #777;
    grid-column: 1 / -1;
}

/* Responsive */
@media (max-width: 992px) {
    .portfolio-title {
        font-size: 20px;
    }
}

@media (max-width: 768px) {
    .portfolio-title {
        font-size: 18px;
    }
    
    .portfolio-category {
        font-size: 12px;
    }
}

@media (max-width: 576px) {
    .portfolio-grid {
        grid-template-columns: 1fr !important;
    }
    
    .portfolio-item {
        aspect-ratio: 4/3;
    }
    
    .pagination-numbers {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .filter-nav li a {
        padding: 8px 20px;
        font-size: 12px;
    }
}