/* ==========================================================================
   Haridev SD Portfolio - Modern SEO Blog Stylesheet (blog.css)
   Clean, modern, responsive, high-readability editorial design
   ========================================================================== */

/* --- Reading Progress Bar --- */
.reading-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: transparent;
    z-index: 1001;
}

.reading-progress-bar {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--accent-primary), #FBBF24);
    transition: width 0.1s ease-out;
}

/* --- Breadcrumb Navigation --- */
.breadcrumb-section {
    padding: 1rem 0 0.5rem;
    margin-top: 70px;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.breadcrumb-list a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

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

.breadcrumb-separator {
    color: var(--text-tertiary);
    font-size: 0.75rem;
}

.breadcrumb-current {
    color: var(--text-primary);
    font-weight: 500;
    max-width: 320px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* --- Hero Section --- */
.blog-hero {
    padding: 2rem 0 2.5rem;
}

.blog-hero-header {
    max-width: 900px;
    margin: 0 auto 2rem;
    text-align: left;
}

.blog-category-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    background: rgba(245, 158, 11, 0.12);
    color: var(--accent-primary);
    border: 1px solid rgba(245, 158, 11, 0.25);
    margin-bottom: 1.25rem;
}

.blog-h1 {
    font-size: clamp(2rem, 4.5vw, 3.25rem);
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -0.02em;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
}

.blog-excerpt {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.75rem;
    max-width: 820px;
}

.blog-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1.25rem;
    padding: 1.25rem 0;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.author-chip {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.author-chip-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--accent-primary);
    box-shadow: var(--shadow-sm);
}

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

.author-chip-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
}

.author-chip-role {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.blog-meta-details {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    flex-wrap: wrap;
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}

.meta-item i {
    width: 16px;
    height: 16px;
    color: var(--accent-primary);
}

/* --- Featured Image --- */
.featured-image-container {
    max-width: 1100px;
    margin: 0 auto;
    position: relative;
    aspect-ratio: 16 / 9;
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    background-color: var(--bg-secondary);
}

.featured-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform var(--transition-normal);
}

.featured-image-container:hover .featured-image {
    transform: scale(1.015);
}

.featured-image-caption {
    font-size: 0.8125rem;
    color: var(--text-tertiary);
    text-align: center;
    margin-top: 0.75rem;
    font-style: italic;
}

/* --- Main Layout Grid --- */
.blog-layout {
    padding: 3rem 0 5rem;
}

.blog-layout-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 3.5rem;
    align-items: start;
}

/* --- Article Column --- */
.article-content {
    max-width: 100%;
    color: var(--text-primary);
    font-size: 1.125rem;
    line-height: 1.8;
}

.article-content section {
    scroll-margin-top: 100px;
    margin-bottom: 3rem;
}

.article-content h2 {
    font-size: clamp(1.6rem, 2.8vw, 2.15rem);
    font-weight: 800;
    line-height: 1.3;
    letter-spacing: -0.015em;
    color: var(--text-primary);
    margin-top: 2.25rem;
    margin-bottom: 1.25rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.article-content h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 48px;
    height: 3px;
    background: var(--accent-primary);
    border-radius: 2px;
}

.article-content h3 {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
    margin-top: 1.75rem;
    margin-bottom: 0.85rem;
}

.article-content p {
    margin-bottom: 1.35rem;
    color: var(--text-primary);
}

.article-content strong {
    color: var(--text-primary);
    font-weight: 700;
}

.article-content ul,
.article-content ol {
    margin: 1.25rem 0 1.75rem 1.5rem;
    padding-left: 0.5rem;
}

.article-content li {
    margin-bottom: 0.65rem;
    line-height: 1.7;
}

.article-content li strong {
    color: var(--accent-primary);
}

.article-link {
    color: var(--accent-primary);
    text-decoration: underline;
    text-underline-offset: 3px;
    font-weight: 500;
    transition: opacity var(--transition-fast);
}

.article-link:hover {
    opacity: 0.8;
}

/* --- Highlight / Quick Answer Box --- */
.quick-answer-card {
    background: var(--bg-secondary);
    border: 1px solid var(--accent-primary);
    border-left: 5px solid var(--accent-primary);
    border-radius: 0.85rem;
    padding: 1.75rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-md);
    position: relative;
}

.quick-answer-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--accent-primary);
    margin-bottom: 0.75rem;
}

.quick-answer-card p {
    font-size: 1.15rem;
    font-weight: 500;
    line-height: 1.7;
    margin-bottom: 0;
    color: var(--text-primary);
}

/* --- Key Takeaways / Callout Box --- */
.callout-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.75rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-sm);
}

.callout-box-title {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.callout-box-title i {
    color: var(--accent-primary);
}

/* --- Statistics Grid --- */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.25rem;
    margin: 2.25rem 0;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-3px);
    border-color: var(--accent-primary);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-primary);
    line-height: 1;
    margin-bottom: 0.5rem;
    font-family: var(--font-primary);
}

.stat-label {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.stat-source {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    margin-top: 0.5rem;
    display: block;
}

/* --- Step Cards (How SEO Works) --- */
.steps-list {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    margin: 2rem 0;
}

.step-card {
    display: flex;
    align-items: flex-start;
    gap: 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: border-color var(--transition-fast);
}

.step-card:hover {
    border-color: rgba(245, 158, 11, 0.4);
}

.step-number {
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: rgba(245, 158, 11, 0.15);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1.25rem;
}

.step-content h3 {
    margin-top: 0;
    margin-bottom: 0.4rem;
    font-size: 1.25rem;
}

.step-content p {
    margin-bottom: 0;
    font-size: 1rem;
    color: var(--text-secondary);
}

/* --- Mistakes Grid --- */
.mistakes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.25rem;
    margin: 2rem 0;
}

.mistake-card {
    background: var(--bg-secondary);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    position: relative;
}

.mistake-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    color: #EF4444;
    font-weight: 700;
    font-size: 1.05rem;
    margin-bottom: 0.6rem;
}

.mistake-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.mistake-fix {
    font-size: 0.875rem;
    color: var(--accent-primary);
    background: rgba(245, 158, 11, 0.08);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-left: 3px solid var(--accent-primary);
}

/* --- Comparison Table --- */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
    margin: 2rem 0;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    background: var(--bg-secondary);
    -webkit-overflow-scrolling: touch;
}

.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.975rem;
    text-align: left;
    min-width: 600px;
}

.comparison-table th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 1.1rem 1.25rem;
    font-weight: 700;
    border-bottom: 2px solid var(--border-color);
    letter-spacing: 0.02em;
}

.comparison-table th:first-child {
    width: 25%;
}

.comparison-table td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
    vertical-align: middle;
}

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

.comparison-table tr:hover td {
    background: rgba(245, 158, 11, 0.03);
}

.comparison-table td:first-child {
    font-weight: 600;
    color: var(--text-primary);
}

.comparison-tag-seo {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: #10B981;
    font-weight: 600;
}

.comparison-tag-ppc {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    color: #6366F1;
    font-weight: 600;
}

/* --- Inline Table of Contents (Mobile / Top) --- */
.inline-toc {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    margin: 2rem 0;
    box-shadow: var(--shadow-sm);
}

.inline-toc-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    user-select: none;
}

.inline-toc-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.inline-toc-title i {
    color: var(--accent-primary);
}

.inline-toc-list {
    list-style: none;
    margin: 1.25rem 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inline-toc-list a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.35rem 0;
    transition: color var(--transition-fast);
}

.inline-toc-list a:hover {
    color: var(--accent-primary);
}

.inline-toc-list a::before {
    content: '→';
    color: var(--accent-primary);
    font-size: 0.85rem;
}

/* --- FAQ Accordion --- */
.faq-section {
    margin-top: 3rem;
}

.faq-accordion {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.blog-faq-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0.85rem;
    overflow: hidden;
    transition: border-color var(--transition-fast);
}

.blog-faq-item.active {
    border-color: var(--accent-primary);
}

.blog-faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: none;
    border: none;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1.1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    gap: 1rem;
}

.blog-faq-question i {
    width: 20px;
    height: 20px;
    color: var(--accent-primary);
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.blog-faq-item.active .blog-faq-question i {
    transform: rotate(180deg);
}

.blog-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 1.5rem;
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
}

.blog-faq-item.active .blog-faq-answer {
    padding: 0 1.5rem 1.25rem;
}

/* --- Social Sharing Bar --- */
.share-bar-container {
    padding: 1.75rem 0;
    margin: 2.5rem 0 2rem;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}

.share-bar-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.share-buttons-group {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.5rem 0.9rem;
    border-radius: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.share-btn.whatsapp:hover {
    background: #25D366;
    color: #fff;
    border-color: #25D366;
}

.share-btn.linkedin:hover {
    background: #0A66C2;
    color: #fff;
    border-color: #0A66C2;
}

.share-btn.twitter:hover {
    background: #000;
    color: #fff;
    border-color: #333;
}

.share-btn.facebook:hover {
    background: #1877F2;
    color: #fff;
    border-color: #1877F2;
}

.share-btn.copy-link:hover {
    background: var(--accent-primary);
    color: #fff;
    border-color: var(--accent-primary);
}

.copy-feedback-toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--accent-primary);
    color: #fff;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    font-weight: 600;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 9999;
}

.copy-feedback-toast.show {
    opacity: 1;
    transform: translateY(0);
}

/* --- Author Bio Box --- */
.author-card-box {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    padding: 2.25rem;
    margin: 3rem 0;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: flex-start;
    gap: 2rem;
}

.author-card-avatar {
    width: 96px;
    height: 96px;
    border-radius: 1rem;
    object-fit: cover;
    flex-shrink: 0;
    border: 2px solid var(--accent-primary);
}

.author-card-details h3 {
    margin-top: 0;
    margin-bottom: 0.25rem;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.author-card-role {
    font-size: 0.875rem;
    color: var(--accent-primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    display: block;
}

.author-card-bio {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
}

.author-social-links {
    display: flex;
    gap: 0.75rem;
}

.author-social-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.author-social-btn:hover {
    background: var(--accent-primary);
    color: #fff;
    transform: translateY(-2px);
}

/* --- Sidebar --- */
.blog-sidebar {
    position: sticky;
    top: 90px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.sidebar-widget-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.75rem;
}

.sidebar-widget-title i {
    color: var(--accent-primary);
}

/* Sidebar TOC */
.sidebar-toc-nav {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.sidebar-toc-link {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    padding: 0.45rem 0.75rem;
    border-radius: 0.4rem;
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
}

.sidebar-toc-link:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.sidebar-toc-link.active {
    color: var(--accent-primary);
    background: rgba(245, 158, 11, 0.08);
    border-left-color: var(--accent-primary);
    font-weight: 600;
}

/* Sidebar Search Widget */
.sidebar-search-box {
    position: relative;
}

.sidebar-search-input {
    width: 100%;
    padding: 0.75rem 2.5rem 0.75rem 1rem;
    border-radius: 0.6rem;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

.sidebar-search-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.sidebar-search-btn {
    position: absolute;
    right: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.search-results-dropdown {
    margin-top: 0.75rem;
    display: none;
    flex-direction: column;
    gap: 0.5rem;
}

.search-result-item {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 0.4rem 0.6rem;
    border-radius: 0.4rem;
    background: var(--bg-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.search-result-item:hover {
    color: var(--accent-primary);
}

/* Sidebar Related Posts */
.sidebar-posts-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.sidebar-post-item {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
    group: hover;
}

.sidebar-post-thumb {
    width: 68px;
    height: 68px;
    border-radius: 0.5rem;
    object-fit: cover;
    flex-shrink: 0;
    background: var(--bg-tertiary);
}

.sidebar-post-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.sidebar-post-title {
    font-size: 0.875rem;
    font-weight: 600;
    line-height: 1.35;
    color: var(--text-primary);
    transition: color var(--transition-fast);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.sidebar-post-item:hover .sidebar-post-title {
    color: var(--accent-primary);
}

.sidebar-post-meta {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Sidebar Newsletter */
.sidebar-newsletter p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 1rem;
}

.newsletter-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.newsletter-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color var(--transition-fast);
}

.newsletter-input:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.newsletter-btn {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.6rem;
    border: none;
    background: var(--accent-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.newsletter-btn:hover {
    background: var(--accent-primary-hover);
    transform: translateY(-1px);
}

.newsletter-status {
    display: none;
    font-size: 0.825rem;
    padding: 0.5rem;
    border-radius: 0.4rem;
    margin-top: 0.5rem;
}

.newsletter-status.success {
    display: block;
    background: rgba(16, 185, 129, 0.15);
    color: #10B981;
    border: 1px solid rgba(16, 185, 129, 0.3);
}

/* Sidebar CTA Card */
.sidebar-cta-card {
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.15) 0%, rgba(217, 119, 6, 0.05) 100%);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 1rem;
    padding: 1.75rem;
    text-align: center;
    box-shadow: var(--shadow-md);
}

.sidebar-cta-card h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.sidebar-cta-card p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

/* --- Related Articles Section --- */
.related-articles-section {
    padding: 4rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.related-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 3rem;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.related-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 1.25rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.related-card-img-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
}

.related-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-normal);
}

.related-card:hover .related-card-img {
    transform: scale(1.05);
}

.related-card-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(8px);
    border: 1px solid var(--glass-border);
    color: var(--accent-primary);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: 9999px;
}

.related-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.related-card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-bottom: 0.75rem;
}

.related-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.4;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card-desc {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.related-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--accent-primary);
    text-decoration: none;
    transition: gap var(--transition-fast);
}

.related-card:hover .related-card-link {
    gap: 0.65rem;
}

/* --- Final Big CTA Section --- */
.final-cta-section {
    padding: 5rem 0;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    position: relative;
    overflow: hidden;
}

.final-cta-box {
    background: var(--bg-secondary);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 1.5rem;
    padding: 4rem 2rem;
    text-align: center;
    box-shadow: var(--shadow-glow);
    max-width: 860px;
    margin: 0 auto;
    position: relative;
}

.final-cta-badge {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent-primary);
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.25);
    padding: 0.35rem 0.85rem;
    border-radius: 9999px;
    margin-bottom: 1.25rem;
}

.final-cta-title {
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 1rem;
    line-height: 1.25;
}

.final-cta-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    max-width: 620px;
    margin: 0 auto 2.25rem;
    line-height: 1.6;
}

.final-cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .blog-layout-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .blog-sidebar {
        position: static;
        order: 2;
    }

    .sidebar-toc-widget {
        display: none; /* Hide sticky TOC in sidebar on tablet/mobile; use inline TOC */
    }
}

@media (max-width: 768px) {
    .breadcrumb-section {
        margin-top: 60px;
    }

    .blog-hero {
        padding: 1.5rem 0 2rem;
    }

    .blog-h1 {
        font-size: 1.85rem;
    }

    .blog-excerpt {
        font-size: 1.05rem;
    }

    .blog-meta-bar {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .author-card-box {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 1.75rem;
    }

    .author-social-links {
        justify-content: center;
    }

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

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

    .final-cta-box {
        padding: 2.5rem 1.25rem;
    }

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

    .share-buttons-group {
        width: 100%;
    }

    .share-btn {
        flex: 1;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .blog-h1 {
        font-size: 1.6rem;
    }

    .step-card {
        flex-direction: column;
        gap: 0.75rem;
    }

    .share-btn span {
        display: none; /* Icon only on extra small devices */
    }
}