/* ============ ARTICLES CSS - SEO OPTIMIZED ============ */

/* Breadcrumb */
.breadcrumb {
    background: var(--gray-100);
    padding: 15px 0;
    border-bottom: 1px solid var(--gray-200);
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.9rem;
    flex-wrap: wrap;
}

.breadcrumb-list li {
    display: flex;
    align-items: center;
    color: var(--gray-500);
}

.breadcrumb-list li:not(:last-child)::after {
    content: '>';
    margin-left: 10px;
    color: var(--gray-400);
}

.breadcrumb-list a {
    color: var(--gray-600);
    text-decoration: none;
    transition: color 0.2s;
}

.breadcrumb-list a:hover {
    color: var(--secondary);
}

.breadcrumb-list li[aria-current="page"] {
    color: var(--dark);
    font-weight: 500;
}

/* Articles Header */
.articles-header {
    padding: 80px 0 40px;
}

.header-subtitle {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Articles Intro */
.articles-intro {
    background: var(--white);
    padding: 40px 0;
    border-bottom: 1px solid var(--gray-200);
}

.intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.intro-content p {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-700);
}

/* Articles Layout */
.articles-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}

.articles-main {
    min-width: 0;
}

/* Articles Filters */
.articles-filters {
    display: flex;
    gap: 10px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.filter-btn:hover {
    border-color: var(--secondary);
    color: var(--secondary);
}

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

/* Articles Grid - Enhanced Cards */
.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
}

.article-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.article-card-image {
    height: 180px;
    background: linear-gradient(135deg, var(--primary-light), var(--secondary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    position: relative;
    overflow: hidden;
}

.article-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.article-card-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-card-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.article-category {
    display: inline-block;
    background: var(--secondary-light);
    color: var(--secondary-dark);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.article-card h3 {
    font-size: 1.1rem;
    line-height: 1.4;
    margin-bottom: 10px;
}

.article-card h3 a {
    color: var(--dark);
    text-decoration: none;
    transition: color 0.2s;
}

.article-card h3 a:hover {
    color: var(--secondary);
}

.article-excerpt {
    color: var(--gray-600);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--gray-200);
    font-size: 0.85rem;
    color: var(--gray-500);
}

.read-time {
    display: flex;
    align-items: center;
    gap: 5px;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

.pagination-btn {
    min-width: 40px;
    height: 40px;
    padding: 0 12px;
    border: 2px solid var(--gray-300);
    background: var(--white);
    border-radius: var(--radius);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pagination-btn:hover:not(:disabled) {
    border-color: var(--secondary);
    color: var(--secondary);
}

.pagination-btn.active {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--white);
}

.pagination-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Sidebar */
.articles-sidebar {
    position: sticky;
    top: 100px;
}

.sidebar-section {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow);
}

.sidebar-section h3 {
    font-size: 1.1rem;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--gray-200);
}

/* Popular Articles */
.popular-articles {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.popular-article {
    display: flex;
    gap: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--gray-100);
}

.popular-article:last-child {
    padding-bottom: 0;
    border-bottom: none;
}

.popular-article-image {
    width: 70px;
    height: 70px;
    border-radius: var(--radius);
    background: var(--gray-200);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.popular-article-content h4 {
    font-size: 0.95rem;
    line-height: 1.4;
    margin-bottom: 5px;
}

.popular-article-content h4 a {
    color: var(--dark);
    text-decoration: none;
}

.popular-article-content h4 a:hover {
    color: var(--secondary);
}

.popular-article-meta {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Category List */
.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list li {
    margin-bottom: 10px;
}

.category-list a {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: var(--gray-50);
    border-radius: var(--radius);
    color: var(--gray-700);
    text-decoration: none;
    transition: all 0.2s;
}

.category-list a:hover {
    background: var(--secondary-light);
    color: var(--secondary-dark);
}

/* Sidebar CTA */
.sidebar-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: var(--radius-lg);
    padding: 30px;
    text-align: center;
}

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

.sidebar-cta h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.sidebar-cta p {
    opacity: 0.9;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.sidebar-cta .btn-block {
    width: 100%;
}

/* ============ ARTICLE SINGLE ============ */
.article-single {
    padding-top: 0;
    padding-bottom: 0;
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 50px;
    align-items: start;
    padding: 40px 0;
}

.article-main {
    min-width: 0;
}

/* Article Header */
.article-header {
    margin-bottom: 30px;
}

.article-header .article-category {
    margin-bottom: 15px;
}

.article-header h1 {
    font-size: 2.2rem;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--dark);
}

.article-meta-full {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--gray-500);
    font-size: 0.9rem;
    padding-bottom: 25px;
    border-bottom: 1px solid var(--gray-200);
}

.article-meta-full span {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-featured-image {
    width: 100%;
    height: 400px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    margin-top: 25px;
    background: var(--gray-200);
}

.article-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Table of Contents */
.article-toc {
    background: var(--gray-50);
    border-radius: var(--radius-lg);
    padding: 25px;
    margin-bottom: 30px;
    border-left: 4px solid var(--secondary);
}

.article-toc h4 {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.article-toc ol {
    list-style: decimal;
    padding-left: 20px;
    margin: 0;
}

.article-toc li {
    margin-bottom: 8px;
}

.article-toc a {
    color: var(--gray-700);
    text-decoration: none;
    transition: color 0.2s;
}

.article-toc a:hover {
    color: var(--secondary);
}

/* Article Body */
.article-body {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--gray-800);
}

.article-content h2 {
    font-size: 1.6rem;
    margin: 2rem 0 1rem;
    color: var(--dark);
    scroll-margin-top: 100px;
}

.article-content h3 {
    font-size: 1.3rem;
    margin: 1.5rem 0 0.75rem;
    color: var(--dark);
}

.article-content p {
    margin-bottom: 1.25rem;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.25rem;
    padding-left: 1.5rem;
}

.article-content li {
    margin-bottom: 0.5rem;
}

.article-content blockquote {
    border-left: 4px solid var(--accent);
    padding: 20px 25px;
    margin: 2rem 0;
    background: var(--gray-50);
    border-radius: 0 var(--radius) var(--radius) 0;
    font-style: italic;
    color: var(--gray-700);
}

.article-content a {
    color: var(--secondary);
    text-decoration: underline;
}

.article-content a:hover {
    color: var(--secondary-dark);
}

.article-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 1.5rem 0;
}

/* Article Footer */
.article-footer {
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--gray-200);
}

/* Tags */
.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.article-tag {
    display: inline-block;
    padding: 6px 14px;
    background: var(--gray-100);
    color: var(--gray-700);
    border-radius: 50px;
    font-size: 0.85rem;
    text-decoration: none;
    transition: all 0.2s;
}

.article-tag:hover {
    background: var(--secondary-light);
    color: var(--secondary-dark);
}

/* Share Buttons */
.article-share {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 25px 0;
    flex-wrap: wrap;
}

.article-share > span {
    font-weight: 600;
    color: var(--dark);
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    color: white;
}

.share-facebook {
    background: #1877F2;
}

.share-twitter {
    background: #000;
}

.share-linkedin {
    background: #0A66C2;
}

.share-whatsapp {
    background: #25D366;
}

.share-copy {
    background: var(--gray-600);
    color: white;
}

.share-btn:hover {
    transform: scale(1.1);
    opacity: 0.9;
}

/* Article CTA */
.article-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: var(--radius-lg);
    padding: 40px;
    text-align: center;
    margin-top: 30px;
}

.article-cta h3 {
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.article-cta p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 25px;
}

.article-cta .btn {
    background: var(--accent);
    color: var(--dark);
}

.article-cta .btn:hover {
    background: #e8a007;
}

/* Article Sidebar */
.article-sidebar {
    position: sticky;
    top: 100px;
}

/* Author Box */
.author-box {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--secondary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-label {
    font-size: 0.85rem;
    color: var(--gray-500);
}

.author-name {
    font-size: 1.1rem;
    color: var(--dark);
}

/* Related Articles Sidebar */
.related-articles-sidebar {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.related-article-item {
    display: block;
    padding: 15px;
    background: var(--gray-50);
    border-radius: var(--radius);
    text-decoration: none;
    transition: all 0.2s;
}

.related-article-item:hover {
    background: var(--gray-100);
}

.related-article-item h4 {
    font-size: 0.95rem;
    color: var(--dark);
    margin-bottom: 5px;
    line-height: 1.4;
}

.related-article-item span {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Related Articles Section */
.related-articles-section {
    background: var(--gray-100);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
    .articles-layout,
    .article-layout {
        grid-template-columns: 1fr;
    }

    .articles-sidebar,
    .article-sidebar {
        position: static;
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .sidebar-cta.sticky {
        position: static;
    }
}

@media (max-width: 768px) {
    .articles-header {
        padding: 60px 0 30px;
    }

    .articles-header h1 {
        font-size: 1.8rem;
    }

    .articles-grid {
        grid-template-columns: 1fr;
    }

    .articles-sidebar,
    .article-sidebar {
        grid-template-columns: 1fr;
    }

    .article-header h1 {
        font-size: 1.6rem;
    }

    .article-meta-full {
        flex-direction: column;
        gap: 10px;
    }

    .article-featured-image {
        height: 250px;
    }

    .article-cta {
        padding: 30px 20px;
    }

    .article-share {
        flex-direction: column;
        align-items: flex-start;
    }

    .breadcrumb-list {
        font-size: 0.8rem;
    }

    .pagination {
        flex-wrap: wrap;
    }
}