/* ============================================
   VOCAP Blog - Unified Styles
   ============================================ */

/* CSS Variables */
:root {
    --color-primary: #7C3AED;
    --color-primary-dark: #6D28D9;
    --color-primary-light: #A78BFA;
    --color-secondary: #EC4899;
    --color-accent: #F59E0B;
    --color-success: #10B981;
    --color-warning: #F59E0B;
    --color-danger: #EF4444;
    --color-info: #3B82F6;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F9FAFB;
    --color-bg-tertiary: #F3F4F6;
    --color-bg-dark: #111827;
    --color-text: #111827;
    --color-text-muted: #6B7280;
    --color-text-light: #9CA3AF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition);
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* ============================================
   Article Header
   ============================================ */
.article-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 3rem 2rem;
    margin-bottom: 3rem;
}

/* Center all direct children of article-header so articles
   without a .article-header-content wrapper still align correctly */
.article-header > * {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.article-header-container,
.article-header-content {
    max-width: 800px;
    margin: 0 auto;
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    flex-wrap: wrap;
}

.breadcrumb a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.breadcrumb a:hover {
    color: white;
}

.breadcrumb-separator {
    color: rgba(255, 255, 255, 0.6);
}

.breadcrumb-current {
    color: rgba(255, 255, 255, 0.8);
}

.article-category {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.375rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.article-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.article-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    flex-wrap: wrap;
}

.article-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* ============================================
   Hide duplicate navbars/breadcrumbs embedded in some articles
   (blog_base.html already provides the real navbar via #navbar)
   ============================================ */
.article-header ~ nav,
.article-header ~ .navbar:not(#navbar),
.article-header ~ header,
.article-header ~ section.breadcrumb,
.article-header ~ noscript {
    display: none !important;
}

/* Also hide duplicate navs/headers that sit before article-header
   but after reading-progress (some articles embed them differently) */
.reading-progress ~ nav:not(#navbar):not(.breadcrumb) {
    display: none !important;
}

/* ============================================
   Article Container & Content
   ============================================ */
.article-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
}

/* Override landing .container (1280px) on blog pages so article content
   stays centered at 800px instead of stretching to full page width */
main.container,
article.container,
div.container {
    max-width: 800px;
    padding: 0 2rem 4rem;
}

/* Layout with sidebar (some articles use this) */
.main-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem 4rem;
    display: grid;
    grid-template-columns: 1fr 300px;
    gap: 4rem;
    align-items: start;
}

.article-image {
    width: 100%;
    border-radius: var(--radius-lg);
    margin-bottom: 2rem;
}

.article-content,
.article-body {
    font-size: 1.125rem;
    line-height: 1.8;
    color: #374151;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
    padding-bottom: 4rem;
}

/* Center bare <article> elements without any class (edge cases) */
article:not([class]),
.container-narrow {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    padding-left: 2rem;
    padding-right: 2rem;
    padding-bottom: 4rem;
    font-size: 1.125rem;
    line-height: 1.8;
    color: #374151;
}

/* Remove duplicate padding when article-content is already inside a padded container */
.article-container .article-content,
.article-container .article-body {
    padding-left: 0;
    padding-right: 0;
    padding-bottom: 0;
}

/* Same for content inside .container (overridden to 800px) */
.container .article-body,
.container article:not([class]) {
    padding-left: 0;
    padding-right: 0;
    padding-bottom: 0;
    max-width: none;
}

main.container .article-content,
article.container .article-content,
div.container .article-content {
    padding-left: 0;
    padding-right: 0;
    padding-bottom: 0;
}

.article-content h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin: 2.5rem 0 1rem;
    line-height: 1.3;
}

.article-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 2rem 0 1rem;
    line-height: 1.4;
}

.article-content h4 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text);
    margin: 1.5rem 0 0.75rem;
}

.article-content p {
    margin-bottom: 1.5rem;
}

.article-content ul,
.article-content ol {
    margin: 1.5rem 0;
    padding-left: 2rem;
}

.article-content li {
    margin-bottom: 0.75rem;
}

.article-content strong {
    color: var(--color-text);
    font-weight: 600;
}

.article-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: var(--color-primary-light);
    text-decoration-thickness: 2px;
    text-underline-offset: 2px;
}

.article-content a:hover {
    text-decoration-color: var(--color-primary);
}

/* ============================================
   Stats Grid
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.stat-card {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 2rem;
    border-radius: var(--radius-xl);
    text-align: center;
    transition: var(--transition);
}

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

.stat-number,
.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    display: block;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.95;
}

/* ============================================
   Table of Contents
   ============================================ */
.toc {
    background: var(--color-bg-alt);
    border-left: 4px solid var(--color-primary);
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: 2rem 0;
}

/* Sidebar TOC variant */
aside .toc,
.main-container > .toc {
    position: sticky;
    top: 6rem;
    max-height: calc(100vh - 8rem);
    overflow-y: auto;
    border-left: none;
    border: 1px solid var(--color-border);
    padding: 2rem;
    border-radius: var(--radius-lg);
}

.toc h2,
.toc h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.toc ul {
    list-style: none;
    padding-left: 0;
}

.toc ul ul {
    margin-left: 1rem;
    margin-top: 0.5rem;
}

.toc li {
    margin-bottom: 0.5rem;
}

.toc a {
    color: var(--color-text-muted);
    text-decoration: none;
    transition: var(--transition);
    display: block;
    padding: 0.25rem 0;
    font-size: 0.9rem;
}

.toc a:hover {
    color: var(--color-primary);
    padding-left: 0.5rem;
}

/* ============================================
   Info Boxes (highlight, tip, warning, info, comparison)
   ============================================ */
.highlight-box,
.tip-box,
.warning-box,
.info-box,
.comparison-box {
    padding: 1.5rem;
    border-radius: var(--radius-md);
    margin: 2rem 0;
    border-left: 4px solid;
}

.highlight-box {
    background: #EDE9FE;
    border-color: var(--color-primary);
}

.tip-box {
    background: #D1FAE5;
    border-color: var(--color-success);
}

.warning-box {
    background: #FEF3C7;
    border-color: var(--color-warning);
}

.info-box {
    background: #EFF6FF;
    border-color: var(--color-info);
}

.comparison-box {
    background: #DBEAFE;
    border-color: #3B82F6;
}

.highlight-box h4,
.tip-box h4,
.warning-box h4,
.info-box h4,
.comparison-box h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    margin-top: 0;
}

.highlight-box p:last-child,
.tip-box p:last-child,
.warning-box p:last-child,
.info-box p:last-child,
.comparison-box p:last-child {
    margin-bottom: 0;
}

.tip-box h4 { color: var(--color-success); }
.warning-box h4 { color: #92400E; }
.info-box h4 { color: var(--color-info); }

/* Gradient highlight box variant */
.highlight-box.gradient,
.article-content .highlight-box[style*="gradient"] {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    border-left: none;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.highlight-box.gradient h3,
.highlight-box.gradient h4,
.highlight-box.gradient p,
.highlight-box.gradient li {
    color: white;
}

/* ============================================
   Use Case Grid
   ============================================ */
.use-case-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.use-case-card {
    background: white;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    transition: var(--transition);
}

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

.use-case-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.use-case-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-text);
}

.use-case-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ============================================
   Workflow Steps
   ============================================ */
.workflow-steps {
    margin: 2rem 0;
}

.workflow-step {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border-light);
    transition: var(--transition);
}

.workflow-step:hover {
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}

.workflow-step:last-child {
    border-bottom: none;
}

.workflow-step-number,
.workflow-number,
.step-number {
    flex-shrink: 0;
    width: 3rem;
    height: 3rem;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
}

.workflow-step-content h4,
.workflow-content h4,
.step-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.workflow-step-content p,
.workflow-content p,
.step-content p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ============================================
   Profile Cards
   ============================================ */
.profile-cards {
    display: grid;
    gap: 1.5rem;
    margin: 2rem 0;
}

.profile-card {
    background: white;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    transition: var(--transition);
}

.profile-card:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.profile-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.profile-card p {
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* ============================================
   Tools List
   ============================================ */
.tools-list {
    margin: 2rem 0;
}

.tool-item {
    background: white;
    border: 2px solid var(--color-border-light);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: var(--transition);
}

.tool-item:hover {
    border-color: var(--color-primary-light);
    box-shadow: var(--shadow-md);
}

.tool-item.featured {
    background: linear-gradient(135deg, #FAF5FF 0%, #F3E8FF 100%);
    border-color: var(--color-primary);
    border-width: 3px;
}

.tool-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.tool-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.25rem;
}

.tool-badge {
    background: var(--color-primary);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tool-description {
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.tool-features,
.tool-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    padding-left: 0;
}

.tool-features li,
.tool-tag {
    background: var(--color-bg-alt);
    padding: 0.375rem 0.75rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

.tool-spec {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.spec-label,
.spec {
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

.spec-value {
    font-weight: 600;
    color: var(--color-text);
}

/* ============================================
   Comparison
   ============================================ */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin: 2rem 0;
}

.comparison-column h4 {
    margin-top: 0;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--color-border);
    margin-bottom: 1.25rem;
}

.comparison-column.better h4 {
    color: var(--color-success);
    border-bottom-color: var(--color-success);
}

.comparison-column.worse h4 {
    color: var(--color-text-light);
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    margin: 2rem 0;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
}

.comparison-table th {
    background: var(--color-bg-alt);
    font-weight: 600;
    color: var(--color-text);
}

.comparison-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-border-light);
}

.comparison-check,
.check {
    color: var(--color-success);
    font-weight: 700;
}

.cross {
    color: var(--color-text-light);
}

.partial {
    color: var(--color-warning);
}

/* ============================================
   CTA Boxes
   ============================================ */
.cta-box {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 3rem;
    border-radius: var(--radius-2xl);
    text-align: center;
    margin: 3rem 0;
}

.cta-box h3 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
}

.cta-box p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.cta-button {
    background: white;
    color: var(--color-primary);
    padding: 1rem 2.5rem;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    display: inline-block;
    transition: var(--transition);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    color: var(--color-primary);
}

.cta-box-mini {
    background: var(--color-bg-alt);
    border: 2px solid var(--color-primary);
    padding: 2rem;
    border-radius: var(--radius-lg);
    text-align: center;
    margin: 2.5rem 0;
}

.cta-box-mini h4 {
    margin-top: 0;
    color: var(--color-primary);
    font-size: 1.5rem;
}

.cta-box-mini p {
    margin-bottom: 1.5rem;
}

.cta-button-secondary,
.btn-cta {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
}

.cta-button-secondary:hover,
.btn-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: white;
}

/* ============================================
   FAQ Section
   ============================================ */
.faq-section {
    margin: 3rem 0;
}

.faq-grid {
    display: grid;
    gap: 1rem;
    max-width: 900px;
    margin: 0 auto;
}

.faq-item,
.faq-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    transition: var(--transition);
}

.faq-item:hover,
.faq-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--color-primary);
}

.faq-question {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.faq-answer {
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ============================================
   Related Articles
   ============================================ */
.related-articles {
    margin: 3rem 0;
    padding: 2rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
}

.related-articles h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.related-articles-grid,
.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.related-article-card,
.related-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: var(--transition);
    border: 1px solid var(--color-border-light);
    text-decoration: none;
    display: block;
}

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

.related-card-image {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
}

.related-card-content h4,
.related-article-card h4 {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.related-card-content p,
.related-article-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1rem;
}

.read-more {
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ============================================
   Share Buttons
   ============================================ */
.share-buttons,
.share-section {
    display: flex;
    gap: 1rem;
    margin: 3rem 0;
    padding: 1.5rem;
    background: var(--color-bg-alt);
    border-radius: var(--radius-lg);
    align-items: center;
    flex-wrap: wrap;
}

.share-buttons span,
.share-section span {
    font-weight: 600;
    color: var(--color-text-muted);
}

.share-button,
.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.9rem;
}

.share-button.twitter,
.share-btn.twitter {
    background: #1DA1F2;
    color: white;
}

.share-button.twitter:hover,
.share-btn.twitter:hover {
    background: #1A8CD8;
    transform: translateY(-2px);
    color: white;
}

.share-button.linkedin,
.share-btn.linkedin {
    background: #0077B5;
    color: white;
}

.share-button.linkedin:hover,
.share-btn.linkedin:hover {
    background: #006399;
    transform: translateY(-2px);
    color: white;
}

/* ============================================
   Blog Footer (overridden by landing footer when using base)
   Kept as fallback for blog-specific footer classes
   ============================================ */
.footer {
    background: var(--color-bg-dark);
    color: rgba(255, 255, 255, 0.8);
    padding: 3rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-column h4,
.footer-section h4 {
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.footer-column ul,
.footer-section ul {
    list-style: none;
    padding: 0;
}

.footer-column ul li,
.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-column a,
.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-column a:hover,
.footer-section a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .main-container {
        grid-template-columns: 1fr;
    }

    .main-container > .toc,
    aside .toc {
        position: static;
        max-height: none;
    }
}

@media (max-width: 768px) {
    .article-header h1 {
        font-size: 1.75rem;
    }

    .article-header {
        padding: 2rem 1rem;
    }

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

    .article-content h2 {
        font-size: 1.5rem;
    }

    .article-content h3 {
        font-size: 1.25rem;
    }

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

    .use-case-grid {
        grid-template-columns: 1fr;
    }

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

    .share-buttons,
    .share-section {
        flex-wrap: wrap;
    }

    .cta-box {
        padding: 2rem 1.5rem;
    }

    .cta-box h3 {
        font-size: 1.5rem;
    }

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

    .workflow-step {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .article-container {
        padding: 0 1rem 3rem;
    }

    .main-container {
        padding: 0 1rem 3rem;
    }

    main.container,
    article.container,
    div.container {
        padding: 0 1rem 3rem;
    }

    .article-content,
    .article-body,
    article:not([class]),
    .container-narrow {
        padding-left: 1rem;
        padding-right: 1rem;
        padding-bottom: 3rem;
    }

    .article-container .article-content,
    .article-container .article-body,
    main.container .article-content,
    main.container .article-body,
    article.container .article-content,
    div.container .article-content,
    div.container .article-body,
    div.container article:not([class]) {
        padding-left: 0;
        padding-right: 0;
        padding-bottom: 0;
    }
}

/* ============================================
   Reading Progress Bar (SEO engagement signal)
   ============================================ */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
    z-index: 9999;
    transition: width 0.1s linear;
}

/* ============================================
   Sticky Bottom CTA (CTR booster)
   ============================================ */
.sticky-cta {
    position: fixed;
    bottom: -100px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
    padding: 12px 24px;
    z-index: 900;
    transition: bottom 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.08);
}

.sticky-cta.visible {
    bottom: 0;
}

.sticky-cta-content {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.sticky-cta-text {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
}

.sticky-cta-text span {
    color: var(--color-text-muted);
    font-weight: 400;
    font-size: 0.85rem;
}

.sticky-cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: white;
    padding: 10px 24px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    white-space: nowrap;
    transition: transform 0.2s, box-shadow 0.2s;
}

.sticky-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: white;
}

@media (max-width: 480px) {
    .sticky-cta-text span {
        display: none;
    }
    .sticky-cta-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
}

/* ============================================
   Enhanced Breadcrumbs (clickable, SEO value)
   ============================================ */
.breadcrumb a {
    text-decoration: underline;
    text-decoration-color: rgba(255, 255, 255, 0.4);
    text-underline-offset: 2px;
}

/* ============================================
   Article Date Badge (freshness signal for CTR)
   ============================================ */
.article-date-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    padding: 6px 14px;
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.95);
}

.article-date-badge svg {
    width: 14px;
    height: 14px;
}