/* ========================================
   CONTENT TEMPLATE STYLES
   Additional styles for article/content pages
   Optimized for readability and proper layout
   ======================================== */

/* Breadcrumb Section */
.breadcrumb-section {
    background-color: var(--bg-subtle);
    padding-top: calc(var(--header-height) + 24px);
    padding-bottom: 16px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.breadcrumb a {
    color: var(--text-light);
    transition: color 0.2s;
}

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

.breadcrumb-separator {
    color: var(--text-lighter);
    user-select: none;
}

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

/* Article Hero Section */
.article-hero {
    background-color: var(--bg-subtle);
    padding: 48px 0 64px;
}

.article-hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
    font-size: 0.875rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.article-category {
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
}

.article-date,
.article-reading-time {
    display: flex;
    align-items: center;
    gap: 6px;
}

.article-title {
    font-size: 2.75rem;
    font-weight: 800;
    line-height: 1.15;
    color: var(--text-main);
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

.article-subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    line-height: 1.6;
    max-width: 700px;
}

/* Article Section & Layout */
.article-section {
    padding: 80px 0;
    background-color: var(--bg-body);
}

.article-layout {
    display: grid;
    grid-template-columns: minmax(0, 750px) 300px;
    gap: 64px;
    align-items: start;
    max-width: 1200px;
    margin: 0 auto;
}

/* Main Article Content - Optimized for Readability */
.article-content {
    min-width: 0; /* Prevents grid blowout */
    line-height: 1.75;
}

.article-content h2 {
    font-size: 1.875rem;
    font-weight: 700;
    margin: 56px 0 24px;
    color: var(--text-main);
    line-height: 1.3;
    scroll-margin-top: 100px;
    letter-spacing: -0.01em;
}

.article-content h2:first-of-type {
    margin-top: 0;
}

.article-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin: 40px 0 20px;
    color: var(--text-main);
    line-height: 1.4;
    scroll-margin-top: 100px;
}

.article-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 32px 0 16px;
    color: var(--text-main);
}

.article-content p {
    margin-bottom: 24px;
    color: var(--text-main);
    font-size: 1.0625rem; /* 17px - optimal reading size */
    line-height: 1.75; /* Optimal line-height for readability */
}

.article-intro {
    font-size: 1.25rem;
    line-height: 1.7;
    color: var(--text-main);
    margin-bottom: 40px;
    font-weight: 400;
}

.article-image {
    margin: 0 0 48px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.article-image img {
    width: 100%;
    height: auto;
    display: block;
}

.article-image figcaption {
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--text-light);
    text-align: center;
    background-color: var(--bg-subtle);
}

/* Table of Contents */
.article-toc {
    background-color: var(--bg-subtle);
    border-radius: var(--radius-md);
    border: 1px solid #e5e7eb;
    padding: 24px;
    margin: 0 0 40px;
}

.article-toc-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--text-main);
}

.article-toc-list {
    list-style: none;
    padding-left: 0;
    counter-reset: toc-counter;
}

.article-toc-list li {
    margin-bottom: 4px;
    counter-increment: toc-counter;
}

.article-toc-list a {
    color: var(--text-light);
    font-size: 0.9375rem;
    transition: all 0.2s;
    display: block;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    position: relative;
    padding-left: 32px;
}

.article-toc-list a::before {
    content: counter(toc-counter) ".";
    position: absolute;
    left: 12px;
    color: var(--text-lighter);
    font-weight: 600;
    font-size: 0.875rem;
}

.article-toc-list a:hover,
.article-toc-list a.active {
    color: var(--primary);
    background-color: var(--primary-light);
}

.article-toc-list a.active::before {
    color: var(--primary);
}

/* Content Sections */
.content-section {
    margin-bottom: 48px;
}

.content-section:last-of-type {
    margin-bottom: 0;
}

/* Lists */
.content-list,
.content-list-numbered {
    margin: 28px 0;
    padding-left: 0;
}

.content-list li,
.content-list-numbered li {
    margin-bottom: 14px;
    color: var(--text-main);
    line-height: 1.7;
    font-size: 1.0625rem;
}

.content-list {
    list-style: none;
}

.content-list li {
    position: relative;
    padding-left: 32px;
}

.content-list li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
    position: absolute;
    left: 0;
    top: 2px;
    font-size: 1.125rem;
}

.content-list-numbered {
    counter-reset: item;
    list-style: none;
}

.content-list-numbered li {
    counter-increment: item;
    position: relative;
    padding-left: 40px;
}

.content-list-numbered li::before {
    content: counter(item) ".";
    position: absolute;
    left: 0;
    font-weight: 700;
    color: var(--primary);
    font-size: 1.125rem;
}

/* Blockquote */
.article-quote {
    border-left: 4px solid var(--primary);
    padding: 28px 32px;
    margin: 40px 0;
    background-color: var(--bg-subtle);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-quote p {
    font-size: 1.1875rem;
    font-style: italic;
    line-height: 1.65;
    color: var(--text-main);
    margin-bottom: 16px;
}

.article-quote cite {
    font-style: normal;
    font-weight: 600;
    color: var(--text-light);
    font-size: 0.9375rem;
}

/* Highlight Box */
.content-highlight {
    display: flex;
    gap: 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, #dbeafe 100%);
    border-left: 4px solid var(--primary);
    padding: 28px 24px;
    margin: 40px 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.highlight-icon {
    font-size: 2rem;
    flex-shrink: 0;
    line-height: 1;
}

.highlight-content {
    flex: 1;
}

.highlight-title {
    font-size: 1.0625rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
}

.highlight-content p {
    margin-bottom: 0;
    color: var(--text-main);
    font-size: 1rem;
    line-height: 1.6;
}

/* Content Image */
.content-image {
    margin: 32px 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.content-image img {
    width: 100%;
    height: auto;
    display: block;
}

.content-image figcaption {
    padding: 12px 16px;
    font-size: 0.875rem;
    color: var(--text-light);
    background-color: var(--bg-subtle);
    text-align: center;
}

/* Statistics Display */
.content-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin: 32px 0;
}

.stat-item {
    text-align: center;
    padding: 32px 24px;
    background-color: var(--bg-subtle);
    border-radius: var(--radius-md);
    transition:
        transform 0.2s,
        box-shadow 0.2s;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 12px;
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.4;
}

/* Table Styles */
.content-table-wrapper {
    overflow-x: auto;
    margin: 32px 0;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.content-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--bg-card);
    font-size: 0.9375rem;
}

.content-table caption {
    caption-side: top;
    padding: 16px;
    font-weight: 600;
    text-align: left;
    background-color: var(--bg-subtle);
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.content-table thead {
    background-color: var(--bg-subtle);
}

.content-table th,
.content-table td {
    padding: 16px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
}

.content-table th {
    font-weight: 600;
    color: var(--text-main);
}

.content-table tbody tr:last-child td {
    border-bottom: none;
}

.content-table tbody tr:hover {
    background-color: var(--bg-subtle);
}

/* Article CTA */
.article-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    color: var(--white);
    padding: 48px 40px;
    border-radius: var(--radius-md);
    text-align: center;
    margin: 48px 0;
}

.article-cta-content {
    max-width: 600px;
    margin: 0 auto;
}

.article-cta-title {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--white);
}

.article-cta-text {
    font-size: 1.0625rem;
    margin-bottom: 24px;
    color: var(--white);
    opacity: 0.95;
}

.article-cta .btn {
    background-color: var(--white);
    color: var(--primary) !important;
    border-color: var(--white);
    font-weight: 700;
}

.article-cta .btn:hover {
    background-color: var(--bg-subtle);
    border-color: var(--bg-subtle);
    transform: translateY(-2px);
}

/* Article Footer */
.article-content .article-footer {
    margin-top: 48px;
    padding-top: 48px;
    border-top: 2px solid var(--bg-subtle);
    background: none;
}

.article-author {
    margin-bottom: 32px;
}

.author-info {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.author-name {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 0;
}

.author-bio {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.article-sources {
    background-color: var(--bg-subtle);
    padding: 24px;
    border-radius: var(--radius-md);
}

.article-sources h4 {
    font-size: 1rem;
    margin: 0 0 16px;
    color: var(--text-main);
}

.sources-list {
    list-style: decimal;
    padding-left: 24px;
    margin: 0;
}

.sources-list li {
    margin-bottom: 8px;
    font-size: 0.9375rem;
}

.sources-list a {
    color: var(--primary);
    text-decoration: underline;
}

.sources-list a:hover {
    color: var(--primary-dark);
}

/* Sidebar - Right Column */
.article-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 24px);
    align-self: start;
    max-height: calc(100vh - var(--header-height) - 48px);
    overflow-y: auto;
    /* Smooth scrolling */
    scrollbar-width: thin;
    scrollbar-color: var(--text-lighter) transparent;
}

.article-sidebar::-webkit-scrollbar {
    width: 6px;
}

.article-sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.article-sidebar::-webkit-scrollbar-thumb {
    background-color: var(--text-lighter);
    border-radius: 3px;
}

.sidebar-card {
    background-color: var(--bg-card);
    border: none;
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
    box-shadow: none;
}

.sidebar-card:last-child {
    margin-bottom: 0;
}

.sidebar-card-title {
    font-size: 1rem;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--text-main);
    line-height: 1.3;
}

.sidebar-card-text {
    font-size: 0.875rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.sidebar-card-text:last-child {
    margin-bottom: 0;
}

.sidebar-cta {
    background: linear-gradient(135deg, var(--primary-light) 0%, #dbeafe 100%);
}

.sidebar-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-links li {
    margin-bottom: 8px;
}

.sidebar-links li:last-child {
    margin-bottom: 0;
}

.sidebar-links a {
    color: var(--text-main);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    transition: all 0.2s;
    line-height: 1.5;
}

.sidebar-links a:hover {
    background-color: var(--bg-subtle);
    color: var(--primary);
    transform: translateX(2px);
}

.sidebar-highlight {
    background-color: var(--bg-subtle);
}

.sidebar-checklist {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-checklist li {
    font-size: 0.875rem;
    color: var(--text-main);
    margin-bottom: 10px;
    padding-left: 20px;
    position: relative;
    line-height: 1.5;
}

.sidebar-checklist li:last-child {
    margin-bottom: 0;
}

.sidebar-checklist li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: bold;
}

.sidebar-contact-link {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    padding: 10px 16px;
    background-color: var(--primary-light);
    border-radius: var(--radius-sm);
    transition: all 0.2s;
}

.sidebar-contact-link:hover {
    background-color: var(--primary);
    color: var(--white);
}

/* Related Articles Section */
.related-articles {
    background-color: var(--bg-subtle);
    padding: 80px 0;
}

.related-articles .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 48px;
    color: var(--text-main);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.related-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition:
        transform 0.3s,
        box-shadow 0.3s;
}

.related-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.related-link {
    display: block;
    color: inherit;
}

.related-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.related-content {
    padding: 24px;
}

.related-category {
    display: inline-block;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.related-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-main);
    line-height: 1.3;
}

.related-excerpt {
    font-size: 0.9375rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 16px;
}

.related-read-more {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9375rem;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s;
}

.related-card:hover .related-read-more {
    gap: 8px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 48px;
        max-width: 800px;
    }

    .article-sidebar {
        position: static;
        max-height: none;
        overflow-y: visible;
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .breadcrumb-section {
        padding-top: calc(var(--header-height) + 16px);
        padding-bottom: 12px;
    }

    .article-hero {
        padding: 32px 0 48px;
    }

    .article-title {
        font-size: 2rem;
        line-height: 1.2;
    }

    .article-subtitle {
        font-size: 1.0625rem;
    }

    .article-section {
        padding: 48px 0;
    }

    .article-content h2 {
        font-size: 1.625rem;
        margin: 40px 0 20px;
    }

    .article-content h3 {
        font-size: 1.25rem;
        margin: 32px 0 16px;
    }

    .article-intro {
        font-size: 1.0625rem;
    }

    .article-cta {
        padding: 32px 24px;
    }

    .article-cta-title {
        font-size: 1.5rem;
    }

    .content-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .stat-number {
        font-size: 2.5rem;
    }

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

    .related-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .related-articles {
        padding: 60px 0;
    }

    .related-articles .section-title {
        font-size: 1.625rem;
        margin-bottom: 32px;
    }

    .content-highlight {
        flex-direction: column;
        gap: 16px;
        padding: 20px;
    }

    .article-quote {
        padding: 20px 24px;
        margin: 32px 0;
    }

    .article-quote p {
        font-size: 1.0625rem;
    }
}

@media (max-width: 480px) {
    .article-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .article-title {
        font-size: 1.625rem;
    }

    .article-subtitle {
        font-size: 1rem;
    }

    .article-content p {
        font-size: 1rem;
    }

    .article-content h2 {
        font-size: 1.375rem;
    }

    .article-content h3 {
        font-size: 1.125rem;
    }

    .content-table-wrapper {
        margin-left: -24px;
        margin-right: -24px;
        border-radius: 0;
    }

    .content-table th,
    .content-table td {
        padding: 10px 12px;
        font-size: 0.875rem;
    }

    .article-cta-title {
        font-size: 1.25rem;
    }

    .article-cta-text {
        font-size: 0.9375rem;
    }
}

/* ========================================
   OVERVIEW PAGE STYLES (New)
   For Blog, Solutions, and Functions indexes
   ======================================== */

.overview-hero {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding-top: 160px;
    padding-bottom: 4rem;
}

.overview-hero-title {
    margin-bottom: 1rem;
}

.overview-hero-subtitle {
    max-width: 600px;
    margin: 0 auto;
    color: #6c757d;
}

/* Featured Post Specifics */
.featured-post-container {
    margin-top: -3rem;
    margin-bottom: 4rem;
}

.featured-post-card {
    display: block;
    text-decoration: none;
    color: inherit;
    background: #ffffff;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    overflow: hidden;
    transition: transform 0.3s ease;
}

.featured-post-card:hover {
    transform: translateY(-5px);
}

.featured-post-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0;
}

@media (min-width: 768px) {
    .featured-post-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.featured-post-image-wrapper {
    height: 100%;
    min-height: 250px;
    background: #eee;
}

@media (min-width: 768px) {
    .featured-post-image-wrapper {
        min-height: 350px;
    }
}

.featured-post-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.featured-post-fallback {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-light);
}

.featured-post-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

@media (min-width: 768px) {
    .featured-post-content {
        padding: 3rem;
    }
}

.featured-post-meta {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.featured-label {
    background: var(--primary);
    color: #ffffff;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.featured-date {
    color: #6c757d;
    font-size: 0.9rem;
}

.featured-post-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
    color: var(--text-main);
}

@media (min-width: 768px) {
    .featured-post-title {
        font-size: 2rem;
    }
}

.featured-post-desc {
    color: #495057;
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Post Grid Item */
.post-card {
    display: flex;
    flex-direction: column;
    text-decoration: none;
    color: inherit;
}

.post-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-radius: 12px;
    margin-bottom: 20px;
}

.post-meta-row {
    margin-bottom: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.post-date {
    color: #adb5bd;
    font-size: 0.8rem;
}

.post-card-title {
    font-size: 1.25rem;
    margin-bottom: 10px;
    line-height: 1.3;
}

.post-card-excerpt {
    flex-grow: 1;
    color: var(--text-light);
    margin-bottom: 16px;
    line-height: 1.6;
}

/* Section specific utilities */
.padding-top-0 {
    padding-top: 0 !important;
}

.empty-state {
    padding: 4rem;
    text-align: center;
    color: #6c757d;
}

.section-more-title {
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

/* Feature/Solutions Card Extras */
.feature-card-emoji {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.feature-card-link {
    text-decoration: none;
    display: flex;
    flex-direction: column;
    height: 100%;
    color: inherit;
}

/* CTA Section Styles */
.overview-cta {
    background: var(--primary);
    padding: 4rem 0;
    color: #ffffff;
    text-align: center;
}

.overview-cta-title {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ffffff;
}

.overview-cta-text {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.overview-cta-btn {
    display: inline-block;
    background: #ffffff;
    color: var(--primary) !important;
    padding: 12px 32px;
    border-radius: 50px;
    font-weight: bold;
    text-decoration: none;
    transition: transform 0.2s ease;
}

.overview-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Tech Section (Functions) */
.tech-section {
    background: #f8f9fa;
    padding: 4rem 0;
}

.tech-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

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

.tech-title {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.tech-list {
    list-style: none;
    padding: 0;
}

.tech-item {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    font-size: 1.1rem;
}

.tech-icon {
    color: var(--primary);
    margin-right: 10px;
    font-weight: bold;
}