/* =============================================
   PORTFOLIO & BLOG — Sprint 5
   ============================================= */

/* --- Portfolio Filters --- */
.portfolio-filters {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.portfolio-filter {
    padding: 8px 20px;
    border: 1px solid var(--color-border);
    border-radius: 20px;
    cursor: pointer;
    font-family: var(--font-main);
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    background: #fff;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.portfolio-filter:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.portfolio-filter.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.filter-count {
    font-size: 12px;
    font-weight: 700;
    background: rgba(0,0,0,.08);
    padding: 1px 7px;
    border-radius: 10px;
    line-height: 1.5;
}

.portfolio-filter.active .filter-count {
    background: rgba(255,255,255,.25);
}

/* --- Portfolio Grid --- */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.portfolio-card {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition), box-shadow var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.portfolio-card img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    display: block;
    transition: transform .5s ease;
}

.portfolio-card:hover img {
    transform: scale(1.05);
}

.portfolio-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(3,35,144,.88) 0%, rgba(11,112,225,.88) 100%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity .4s ease;
    padding: 20px;
    text-align: center;
}

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

.portfolio-badge {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #fff;
    background: rgba(255,255,255,.2);
    padding: 4px 14px;
    border-radius: 12px;
    margin-bottom: 10px;
}

.portfolio-overlay h3 {
    font-size: 17px;
    font-weight: 700;
    color: #fff;
    line-height: 1.3;
}

/* --- Blog Grid --- */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.blog-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
    transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.blog-card-header {
    background: var(--gradient-primary);
    padding: 30px 24px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.blog-card-icon {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    color: #fff;
}

.blog-card-body {
    padding: 24px;
}

.blog-date {
    font-size: 13px;
    color: var(--color-text-light);
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 10px;
}

.blog-card h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 10px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card h3 a {
    color: inherit;
    transition: color var(--transition);
}

.blog-card h3 a:hover {
    color: var(--color-primary);
}

.blog-card p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--color-text-light);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-read-more {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap var(--transition);
}

.blog-read-more:hover {
    gap: 10px;
}

/* --- Blog Pagination --- */
.blog-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 50px;
    flex-wrap: wrap;
}

.blog-page-btn {
    padding: 8px 18px;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-primary);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.blog-page-btn:hover {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.blog-page-num {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

.blog-page-num:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
}

.blog-page-num.active {
    background: var(--color-primary);
    color: #fff;
    border-color: var(--color-primary);
}

.blog-page-dots {
    color: var(--color-text-light);
    font-size: 14px;
}

/* --- Responsive Portfolio & Blog --- */
@media (max-width: 1024px) {
    .portfolio-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
    }
    .portfolio-card img {
        height: 200px;
    }
    .blog-grid {
        grid-template-columns: 1fr;
    }
    .portfolio-filters {
        gap: 8px;
    }
    .portfolio-filter {
        padding: 6px 14px;
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
    .portfolio-card img {
        height: 220px;
    }
    .blog-card-header {
        padding: 20px;
    }
    .blog-card-body {
        padding: 18px;
    }
}