/* ============================================
   BLOG PAGE STYLES - Enhanced Cards + Search + Pagination
   ============================================ */

/* Blog Header */
.blog-header {
    padding: 140px 0 40px;
    text-align: center;
    background: var(--cream-light);
}

.blog-header h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: var(--space-sm);
    letter-spacing: -1px;
}

.blog-header p {
    font-size: 1.1rem;
    color: var(--dark-light);
    max-width: 500px;
    margin: 0 auto;
}

/* Search Bar */
.blog-search-wrapper {
    max-width: 600px;
    margin: var(--space-xl) auto 0;
    position: relative;
}

.blog-search {
    width: 100%;
    padding: var(--space-md) var(--space-xl);
    padding-left: 50px;
    border: 2px solid rgba(26, 26, 26, 0.1);
    border-radius: 50px;
    font-size: 1rem;
    background: var(--cream);
    transition: all var(--transition-fast);
}

.blog-search:focus {
    outline: none;
    border-color: var(--dark-primary);
    box-shadow: 0 4px 20px rgba(26, 26, 26, 0.1);
}

.blog-search::placeholder {
    color: var(--dark-muted);
}

.search-icon {
    position: absolute;
    left: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--dark-muted);
}

/* Main Layout with Sidebar */
.blog-main-wrapper {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-2xl) var(--space-xl);
    padding-left: 100px;
}

/* Navigation Sidebar */
.blog-nav-sidebar {
    position: relative;
}

.sidebar-sticky {
    position: sticky;
    top: 100px;
}

.blog-nav-sidebar h3 {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--dark-muted);
    margin-bottom: var(--space-sm);
    font-weight: 600;
}

.blog-nav-sidebar h3.mt-lg {
    margin-top: var(--space-xl);
}

/* Category Navigation */
.category-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.category-link {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-xs) var(--space-sm);
    border-radius: 6px;
    color: var(--dark-muted);
    font-size: 0.8rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.category-link:hover {
    background: rgba(26, 26, 26, 0.05);
    color: var(--dark-primary);
}

.category-link.active {
    background: var(--dark-primary);
    color: var(--cream-light);
}

.category-link .count {
    font-size: 0.7rem;
    opacity: 0.6;
}

/* Tech Tags */
.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.tech-tag {
    padding: 3px 8px;
    background: rgba(26, 26, 26, 0.06);
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--dark-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tech-tag:hover {
    background: rgba(26, 26, 26, 0.12);
}

.tech-tag.active {
    background: var(--dark-primary);
    color: var(--cream-light);
}

/* Blog Content Area */
.blog-content-area {
    min-width: 0;
}

/* Results Info */
.results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(26, 26, 26, 0.08);
}

.results-count {
    font-size: 0.9rem;
    color: var(--dark-muted);
}

.results-count strong {
    color: var(--dark-primary);
}

/* Featured Post */
.featured-post {
    margin-bottom: var(--space-2xl);
}

.featured-card {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 0;
    align-items: stretch;
    background: var(--cream);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.06);
}

.featured-visual {
    background: var(--dark-primary);
    padding: var(--space-2xl);
    min-height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.featured-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,26,0.9) 0%, rgba(58,58,58,0.95) 100%);
}

.visual-pattern {
    width: 100%;
    max-width: 400px;
    position: relative;
    z-index: 1;
}

.pattern-svg {
    width: 100%;
    height: auto;
}

/* SVG colors for featured */
.featured-visual .pattern-svg rect,
.featured-visual .pattern-svg circle,
.featured-visual .pattern-svg path,
.featured-visual .pattern-svg text {
    fill: var(--cream-light);
    stroke: var(--cream-light);
}

.featured-visual .pattern-svg text {
    fill: var(--dark-primary);
}

.featured-content {
    padding: var(--space-2xl);
}

.post-meta {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.category {
    padding: var(--space-xs) var(--space-md);
    background: var(--dark-primary);
    color: var(--cream-light);
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.read-time {
    font-size: 0.8rem;
    color: var(--dark-light);
}

.featured-content h2 {
    font-size: 1.6rem;
    line-height: 1.3;
    margin-bottom: var(--space-md);
}

.featured-content p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--dark-muted);
    margin-bottom: var(--space-lg);
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-bottom: var(--space-lg);
}

.tech-stack span {
    padding: var(--space-xs) var(--space-sm);
    background: rgba(26, 26, 26, 0.06);
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--dark-muted);
}

.read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark-primary);
    transition: all var(--transition-fast);
}

.read-more:hover {
    gap: var(--space-md);
}

.read-more svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.read-more:hover svg {
    transform: translateX(4px);
}

/* Blog Grid - 3 Column Layout */
.blog-grid-section {
    padding: 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.blog-card {
    background: var(--cream);
    border-radius: 16px;
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.blog-card.hidden {
    display: none;
}

/* Card Visual - Compact with consistent monochrome style */
.card-visual {
    padding: var(--space-lg);
    background: var(--dark-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 120px;
    position: relative;
}

.card-visual::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(26,26,26,0.95) 0%, rgba(58,58,58,0.9) 100%);
}

.visual-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.visual-icon svg {
    width: 100%;
    height: 100%;
}

/* SVG icons in monochrome cream */
.card-visual .visual-icon svg {
    fill: none;
    stroke: var(--cream-light);
}

.card-visual .visual-icon svg circle,
.card-visual .visual-icon svg rect,
.card-visual .visual-icon svg ellipse,
.card-visual .visual-icon svg path,
.card-visual .visual-icon svg line {
    stroke: var(--cream-light);
    fill: none;
}

.card-visual .visual-icon svg circle[fill="#1a1a1a"],
.card-visual .visual-icon svg rect[fill="#1a1a1a"],
.card-visual .visual-icon svg ellipse[fill="#1a1a1a"] {
    fill: var(--cream-light);
    stroke: none;
}

/* Architecture diagram images - monochrome filter */
.card-visual-img {
    padding: 0;
    overflow: hidden;
    min-height: 120px;
    max-height: 140px;
    background: var(--dark-primary);
}

.card-visual-img::before {
    display: none;
}

.card-visual-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: transform var(--transition-base);
    filter: grayscale(100%) sepia(20%) contrast(1.1);
    opacity: 0.85;
}

.blog-card:hover .card-visual-img img {
    transform: scale(1.05);
    filter: grayscale(80%) sepia(15%) contrast(1.15);
    opacity: 0.95;
}

/* Card Content - Compact */
.card-content {
    padding: var(--space-md) var(--space-lg);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-content .post-meta {
    margin-bottom: var(--space-xs);
}

.card-content .category {
    font-size: 0.6rem;
    padding: 3px 8px;
}

.card-content .read-time {
    font-size: 0.7rem;
}

.card-content h3 {
    font-size: 0.95rem;
    line-height: 1.35;
    margin-bottom: var(--space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-content p {
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--dark-light);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.card-content .tech-stack {
    margin-bottom: var(--space-sm);
}

.card-content .tech-stack span {
    font-size: 0.65rem;
    padding: 2px 6px;
}

.card-content .read-more {
    font-size: 0.8rem;
    margin-top: auto;
}

/* Pagination */
.pagination {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: var(--space-sm);
    margin-top: var(--space-2xl);
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(26, 26, 26, 0.08);
}

.pagination-numbers {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--space-xs);
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--cream);
    border: 1px solid rgba(26, 26, 26, 0.1);
    color: var(--dark-primary);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pagination-btn:hover:not(:disabled) {
    background: var(--dark-primary);
    color: var(--cream-light);
    border-color: var(--dark-primary);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-btn.active {
    background: var(--dark-primary);
    color: var(--cream-light);
    border-color: var(--dark-primary);
}

.pagination-btn svg {
    width: 16px;
    height: 16px;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--dark-muted);
    padding: 0 var(--space-xs);
}

/* No Results */
.no-results {
    text-align: center;
    padding: var(--space-2xl);
    color: var(--dark-muted);
}

.no-results h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
    color: var(--dark-primary);
}

.no-results p {
    font-size: 0.95rem;
}

/* Responsive */
@media (max-width: 1200px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 1024px) {
    .blog-main-wrapper {
        grid-template-columns: 1fr;
        padding-left: var(--space-xl);
    }

    .blog-nav-sidebar {
        display: none;
    }

    .featured-card {
        grid-template-columns: 1fr;
    }

    .featured-visual {
        min-height: 280px;
    }

    .featured-content {
        padding: var(--space-xl);
    }
}

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

    .blog-header {
        padding: 120px 0 30px;
    }

    .blog-main-wrapper {
        padding: var(--space-lg);
        padding-left: 80px;
    }

    .featured-card {
        border-radius: 12px;
    }

    .blog-search-wrapper {
        margin: var(--space-lg) var(--space-md) 0;
    }

    .pagination {
        flex-wrap: wrap;
    }
}

/* Animation for cards */
.blog-card {
    animation: fadeInUp 0.5s ease-out backwards;
}

.blog-card:nth-child(1) { animation-delay: 0.05s; }
.blog-card:nth-child(2) { animation-delay: 0.1s; }
.blog-card:nth-child(3) { animation-delay: 0.15s; }
.blog-card:nth-child(4) { animation-delay: 0.2s; }
.blog-card:nth-child(5) { animation-delay: 0.25s; }
.blog-card:nth-child(6) { animation-delay: 0.3s; }

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Visual icon animations */
.blog-card:hover .visual-icon svg {
    transform: scale(1.1);
    transition: transform var(--transition-base);
}