/* ========================================
   Blog Page - Navy & Silver Glass Theme
   ======================================== */

/* ===== Blog Hero ===== */
.blog-hero {
    position: relative;
    padding: 80px 24px 60px;
    text-align: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.08), rgba(37, 99, 235, 0.04));
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .blog-hero {
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.15), rgba(37, 99, 235, 0.08));
}

.blog-hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    margin: 0 auto;
}

.blog-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 20px;
}

.blog-hero-badge i {
    font-size: 0.9rem;
}

.blog-hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.blog-hero-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 560px;
    margin: 0 auto;
}

.blog-hero-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.hero-orb {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(30, 64, 175, 0.15), transparent 70%);
    border-radius: 50%;
    top: -150px;
    right: -100px;
    filter: blur(40px);
}

[data-theme="dark"] .hero-orb {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.2), transparent 70%);
}

/* ===== Search & Filter Section ===== */
.blog-filter-section {
    padding: 32px 0;
    position: relative;
    z-index: 1;
}

.blog-filter-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--bg-glass-border);
    border-radius: 20px;
    padding: 20px;
    box-shadow: var(--shadow-lg);
}

.blog-search-form {
    display: flex;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
}

.search-wrapper {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-icon {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.9rem;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 13px 44px 13px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    outline: none;
    transition: all var(--transition-fast);
}

.search-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

[data-theme="dark"] .search-input:focus {
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
}

.filter-wrapper {
    position: relative;
    min-width: 200px;
}

.category-select {
    width: 100%;
    padding: 13px 40px 13px 16px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: all var(--transition-fast);
}

.category-select:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.select-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
    font-size: 0.75rem;
    pointer-events: none;
}

.search-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 24px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    border-radius: 14px;
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.25);
}

[data-theme="dark"] .search-btn {
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.35);
}

/* Active Filters */
.active-filters {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    flex-wrap: wrap;
}

.filter-label {
    font-size: 0.82rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.filter-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 12px;
    background: rgba(30, 64, 175, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 500;
}

[data-theme="dark"] .filter-tag {
    background: rgba(59, 130, 246, 0.15);
}

.filter-tag i:first-child {
    font-size: 0.75rem;
}

.remove-filter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
    border-radius: 50%;
    font-size: 0.65rem;
    margin-right: 2px;
    transition: all var(--transition-fast);
}

.remove-filter:hover {
    background: #ef4444;
    color: white;
}

/* ===== Blog Posts Section ===== */
.blog-posts-section {
    padding: 40px 0 80px;
    position: relative;
    z-index: 1;
}

.blog-posts-header {
    margin-bottom: 28px;
}

.posts-count {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.count-number {
    display: inline-block;
    padding: 4px 12px;
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    margin-left: 6px;
}

/* ===== Blog Posts Grid ===== */
.blog-posts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 28px;
}

/* ===== Blog Post Card - Glass Design ===== */
.blog-post-card {
    position: relative;
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(226, 232, 240, 0.6);
    border-radius: 22px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    display: flex;
    flex-direction: column;
}

[data-theme="dark"] .blog-post-card {
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(51, 65, 85, 0.5);
}

.blog-post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(30, 64, 175, 0.15);
    border-color: var(--accent-primary);
}

[data-theme="dark"] .blog-post-card:hover {
    box-shadow: 0 20px 40px rgba(59, 130, 246, 0.2);
}

.blog-post-card:hover .post-image {
    transform: scale(1.08);
}

.blog-post-card:hover .post-image-overlay {
    opacity: 1;
}

.blog-post-card:hover .card-glow {
    opacity: 1;
}

/* Post Image */
.post-image-wrapper {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    display: block;
}

.post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.post-image-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.85), rgba(37, 99, 235, 0.75));
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-base);
}

[data-theme="dark"] .post-image-overlay {
    background: linear-gradient(135deg, rgba(30, 58, 138, 0.9), rgba(59, 130, 246, 0.8));
}

.view-article {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: white;
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    transform: translateY(10px);
    transition: transform var(--transition-base);
}

.blog-post-card:hover .view-article {
    transform: translateY(0);
}

.post-category-badge {
    position: absolute;
    top: 16px;
    right: 16px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 2;
}

[data-theme="dark"] .post-category-badge {
    background: rgba(30, 41, 59, 0.9);
    color: #60a5fa;
}

.post-category-badge i {
    font-size: 0.7rem;
}

/* Post Content */
.post-content {
    padding: 22px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.post-meta-top {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 12px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.post-date, .post-reading-time {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.post-date i, .post-reading-time i {
    font-size: 0.72rem;
    color: var(--accent-primary);
}

.post-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    letter-spacing: -0.01em;
}

.post-title a {
    color: var(--text-primary);
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-post-card:hover .post-title a {
    color: var(--accent-primary);
}

.post-excerpt {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.7;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

/* Post Tags */
.post-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
}

.post-tag {
    padding: 3px 10px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    border-radius: var(--radius-full);
    font-size: 0.72rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.post-tag:hover {
    background: var(--accent-primary);
    color: white;
}

/* Post Footer */
.post-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    gap: 12px;
}

.post-author {
    display: flex;
    align-items: center;
    gap: 8px;
    flex: 1;
    min-width: 0;
}

.author-avatar, .author-avatar-placeholder {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.author-avatar-placeholder {
    background: var(--accent-gradient);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
}

.author-name {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-stats {
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

.stat-item i {
    font-size: 0.75rem;
}

.read-more-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.read-more-btn:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateX(-3px);
}

.read-more-btn i {
    font-size: 0.7rem;
    transition: transform var(--transition-fast);
}

.read-more-btn:hover i {
    transform: translateX(-3px);
}

/* Card Glow Effect */
.card-glow {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--accent-gradient);
    opacity: 0;
    transition: opacity var(--transition-base);
    pointer-events: none;
}

/* ===== Pagination ===== */
.blog-pagination {
    margin-top: 50px;
    display: flex;
    justify-content: center;
}

.pagination-list {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 18px;
    box-shadow: var(--shadow-md);
}

.pagination-list .page-item {
    list-style: none;
}

.pagination-list .page-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    min-width: 38px;
    height: 38px;
    padding: 0 12px;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 10px;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.pagination-list .page-link:hover {
    background: var(--bg-tertiary);
    color: var(--accent-primary);
}

.pagination-list .page-item.active .page-link {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

.pagination-list .page-item.dots .page-link {
    color: var(--text-tertiary);
    cursor: default;
}

.pagination-list .page-item.dots .page-link:hover {
    background: transparent;
    color: var(--text-tertiary);
}

/* ===== Empty State ===== */
.blog-empty-state {
    text-align: center;
    padding: 80px 24px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
}

.empty-icon {
    width: 90px;
    height: 90px;
    margin: 0 auto 24px;
    background: var(--accent-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: white;
    box-shadow: 0 10px 30px rgba(30, 64, 175, 0.25);
}

.blog-empty-state h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.blog-empty-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}

/* ===== Newsletter CTA ===== */
.blog-newsletter {
    padding: 0 0 80px;
    position: relative;
    z-index: 1;
}

.newsletter-card {
    position: relative;
    padding: 50px 40px;
    background: var(--accent-gradient);
    border-radius: 24px;
    overflow: hidden;
    text-align: center;
    color: white;
}

.newsletter-content {
    position: relative;
    z-index: 2;
    max-width: 500px;
    margin: 0 auto;
}

.newsletter-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    backdrop-filter: blur(10px);
}

.newsletter-card h3 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 10px;
}

.newsletter-card p {
    font-size: 0.95rem;
    opacity: 0.9;
    margin-bottom: 24px;
}

.newsletter-form {
    max-width: 450px;
    margin: 0 auto;
}

.newsletter-input-group {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.newsletter-input-group input {
    flex: 1;
    padding: 14px 18px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-family);
    font-size: 0.9rem;
    outline: none;
}

.newsletter-input-group input::placeholder {
    color: var(--text-tertiary);
}

.newsletter-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 14px 22px;
    background: var(--accent-gradient);
    color: white;
    border: none;
    font-family: var(--font-family);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.newsletter-btn:hover {
    opacity: 0.9;
}

.newsletter-decoration {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.newsletter-orb {
    position: absolute;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
    top: -100px;
    left: -100px;
    filter: blur(60px);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .blog-posts-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: 60px 20px 40px;
    }
    
    .blog-search-form {
        flex-direction: column;
    }
    
    .search-wrapper, .filter-wrapper, .search-btn {
        width: 100%;
    }
    
    .blog-posts-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .newsletter-card {
        padding: 36px 24px;
    }
    
    .newsletter-input-group {
        flex-direction: column;
    }
    
    .newsletter-btn {
        justify-content: center;
    }
    
    .pagination-list {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .post-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }
    
    .post-stats {
        width: 100%;
        justify-content: space-between;
    }
    
    .active-filters {
        flex-direction: column;
        align-items: flex-start;
    }
}