/* ============================================
   BESTCLASSTAKER BLOG SYSTEM - COMPLETE CSS
   ============================================ */

/* ===== VARIABLES ===== */
:root {
    /* Colors - Brand & Accents (Light Theme Sync) */
    --primary: #2563EB;
    --primary-light: #60A5FA;
    --primary-dark: #1D4ED8;
    --secondary: #3B82F6;
    --accent: #93C5FD;

    /* Backgrounds & Surfaces */
    --bg-dark: #F8F9FA;
    --bg-secondary: rgba(255, 255, 255, 0.4);
    --bg-card: rgba(255, 255, 255, 0.85);
    --bg-hover: rgba(37, 99, 235, 0.05);

    /* Text Colors - High Contrast */
    --text-heading: #1a1a1a;
    --text-body: #2D2D2D;
    --text-secondary: #5f6368;
    --text-muted: #718096;

    /* Borders */
    --border-color: rgba(37, 99, 235, 0.2);
    --border-light: rgba(37, 99, 235, 0.1);

    /* Status */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;

    /* Glassmorphism */
    --bg-glass: rgba(255, 255, 255, 0.4);
    --blur-glass: 20px;
    --border-glass: rgba(255, 255, 255, 0.8);

    /* Shadows */
    --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);

    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Gradients */
    --primary-gradient: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
}

/* ===== GLOBAL STYLES ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    padding-top: 80px;
    font-family: var(--font-primary);
    background: var(--bg-dark);
    color: var(--text-body);
    line-height: 1.7;
    font-size: 1.0625rem;
    background-image:
        radial-gradient(at 0% 0%, rgba(37, 99, 235, 0.03) 0px, transparent 50%),
        radial-gradient(at 100% 0%, rgba(96, 165, 250, 0.03) 0px, transparent 50%);
    background-attachment: fixed;
}

/* ===== MAIN HEADER ===== */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1001;
    border-bottom: 1px solid var(--border-glass);
    transition: all var(--transition-base);
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: all 0.2s ease;
}

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

/* ===== HEADER & NAVIGATION ===== */

/* ===== BLOG HERO SECTION ===== */
.blog-hero {
    background: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.5) 100%);
    padding: var(--spacing-2xl) 0;
    border-bottom: 1px solid var(--border-color);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: 0.875rem;
    flex-wrap: wrap;
    word-break: break-word;
}

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

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

.breadcrumb .separator {
    color: var(--text-muted);
}

.breadcrumb .current {
    color: var(--primary-light);
    font-weight: 500;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: var(--spacing-2xl);
    align-items: center;
}

@media (max-width: 1024px) {
    .blog-hero {
        padding: var(--spacing-xl) 0;
    }

    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .article-meta {
        justify-content: center;
    }

    .hero-image {
        max-width: 600px;
        margin: 0 auto;
    }

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

    .breadcrumb {
        font-size: 0.8rem;
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .blog-hero {
        padding: var(--spacing-lg) 0;
    }

    .article-title {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-md);
    }

    .article-meta {
        font-size: 0.85rem;
        gap: var(--spacing-sm);
    }

    .breadcrumb {
        font-size: 0.75rem;
        gap: var(--spacing-xs);
        margin-bottom: var(--spacing-md);
    }

    .hero-image img {
        height: 220px;
    }

    .process-bar {
        gap: var(--spacing-md);
        padding: var(--spacing-md);
    }
}

@media (max-width: 640px) {
    .blog-hero {
        padding: var(--spacing-md) 0;
    }

    .article-title {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-sm);
    }

    .article-meta {
        font-size: 0.8rem;
        gap: var(--spacing-xs);
        flex-direction: column;
        align-items: center;
    }

    .breadcrumb {
        font-size: 0.7rem;
        gap: 0.25rem;
        margin-bottom: var(--spacing-sm);
    }

    .breadcrumb .separator {
        display: none;
    }

    .hero-image img {
        height: 180px;
    }

    .process-bar {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .process-step {
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .blog-hero {
        padding: var(--spacing-sm) 0;
    }

    .article-title {
        font-size: 1.35rem;
        line-height: 1.2;
        margin-bottom: var(--spacing-xs);
    }

    .article-meta {
        font-size: 0.75rem;
        gap: var(--spacing-xs);
    }

    .breadcrumb {
        font-size: 0.65rem;
        gap: 0.2rem;
        margin-bottom: var(--spacing-xs);
    }

    .category-tag {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.7rem;
    }

    .author-avatar {
        width: 28px;
        height: 28px;
    }

    .hero-image img {
        height: 150px;
    }

    .process-bar {
        flex-direction: column;
        gap: var(--spacing-xs);
        padding: var(--spacing-sm);
    }
}

@media (max-width: 360px) {
    .article-title {
        font-size: 1.2rem;
    }

    .article-meta {
        font-size: 0.7rem;
    }

    .breadcrumb {
        font-size: 0.6rem;
    }

    .hero-image img {
        height: 120px;
    }
}

.article-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--text-heading);
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.category-tag {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.author-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary);
}

.author-name {
    color: var(--primary-light);
    font-weight: 600;
}

.hero-image {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.hero-image img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.image-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: var(--spacing-md);
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    font-size: 0.9rem;
}

/* Process Bar */
.process-bar {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-2xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.process-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    text-align: center;
}

.step-number {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.step-label {
    color: var(--text-body);
    font-size: 0.85rem;
    font-weight: 500;
}

/* Key Takeaways */
.key-takeaways {
    max-width: 1200px;
    margin: var(--spacing-2xl) auto;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-xl);
    border-left: 4px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.takeaways-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
}

.takeaways-header h2 {
    color: var(--text-heading);
    font-size: 1.25rem;
    font-weight: 700;
}

.takeaways-icon {
    font-size: 1.5rem;
}

.takeaways-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-md);
}

@media (max-width: 768px) {
    .takeaways-list {
        grid-template-columns: 1fr;
    }
}

.takeaways-list li {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm);
    background: white;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.takeaways-list li::before {
    content: "✓";
    color: var(--success);
    font-weight: bold;
    flex-shrink: 0;
}

/* ===== BLOG PAGE LAYOUT ===== */
.blog-page {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: var(--spacing-2xl);
    padding: var(--spacing-2xl) 0;
}

@media (max-width: 1024px) {
    .blog-page {
        grid-template-columns: 1fr;
    }

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

    .main-content {
        order: 1;
    }
}

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

/* ===== ARTICLE CONTENT ===== */
.blog-article {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-glass);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-xl);
}

.article-body {
    padding-top: 80px;
    color: var(--text-body);
    line-height: 1.8;
}

.article-body h2 {
    color: var(--text-heading);
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--border-color);
}

.article-body h3 {
    color: var(--primary);
    font-size: 1.35rem;
    font-weight: 600;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
}

.article-body p {
    margin-bottom: var(--spacing-lg);
}

.article-body img,
.article-body .blog-image-full {
    display: block;
    max-width: 100%;
    width: 100%;
    height: auto;
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-md);
    box-sizing: border-box;
}

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

.article-body ul,
.article-body ol {
    margin: var(--spacing-lg) 0;
    padding-left: var(--spacing-xl);
}

.article-body li {
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.article-body ul li::marker {
    color: var(--primary);
}

.article-body ol li::marker {
    color: var(--primary-light);
    font-weight: 600;
}

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

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

/* Tables in Article */
.article-body table {
    width: 100%;
    margin: var(--spacing-xl) 0;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.article-body th,
.article-body td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.article-body th {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.2), rgba(59, 130, 246, 0.1));
    color: var(--text-heading);
    font-weight: 600;
}

.article-body tr:last-child td {
    border-bottom: none;
}

html {
    scroll-behavior: smooth;
    overflow-x: clip;
}

body {
    padding-top: 80px;
    overflow-x: clip;
}

/* Inline CTA in Article */
.inline-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.9), rgba(255, 240, 250, 0.9));
    border: 1px solid var(--primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.inline-cta .cta-icon {
    flex-shrink: 0;
}

.inline-cta .cta-icon svg {
    width: 48px;
    height: 48px;
    color: var(--primary-light);
}

.inline-cta .cta-text h3 {
    color: var(--text-heading);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
    margin-top: 0;
}

.inline-cta .cta-text p {
    color: var(--text-secondary);
    margin: 0;
    font-size: 0.95rem;
}

.inline-cta .cta-btn {
    flex-shrink: 0;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all 0.3s ease;
}

.inline-cta .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

/* CTA Banner */
.cta-banner {
    padding: var(--spacing-xl);
    margin: var(--spacing-2xl) 0;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: var(--radius-lg);
    text-align: center;
}

.cta-banner p {
    color: white;
    margin: 0;
    font-size: 1.1rem;
}

.cta-banner strong {
    color: white;
}

.cta-banner a {
    color: white;
    text-decoration: underline;
    font-weight: 600;
}

/* ===== SIDEBAR ===== */
.blog-sidebar {
    position: sticky;
    top: 100px;
    height: fit-content;
}

/* Table of Contents */
.table-of-contents {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-glass);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-lg);
}

.toc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.toc-header h3 {
    color: var(--text-heading);
    font-size: 1rem;
    font-weight: 600;
}

.toc-toggle {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
}

.toc-toggle:hover {
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-light);
}

.toc-toggle svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.toc-nav ul {
    list-style: none;
}

.toc-nav li {
    margin-bottom: var(--spacing-xs);
}

.toc-nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: all 0.2s ease;
    border-left: 2px solid transparent;
}


.toc-nav a:hover,
.toc-nav a.active {
    color: var(--primary);
    background: var(--bg-hover);
    border-left-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* ===== TABLE OF CONTENTS RESPONSIVE POSITIONING ===== */

/* Desktop: Keep TOC in sidebar (default) */
@media (min-width: 1025px) {
    .blog-sidebar {
        display: flex;
        flex-direction: column;
    }

    .table-of-contents {
        order: 2;
    }

    .sidebar-cta {
        order: 3;
    }
}

/* Tablet and Mobile: Move TOC to top */
@media (max-width: 1024px) {
    .blog-sidebar {
        display: flex;
        flex-direction: column;
    }

    .table-of-contents {
        order: -1;
        margin-bottom: var(--spacing-lg);
    }

    .sidebar-cta {
        order: 1;
    }
}

/* Mobile: Ensure TOC stays at top with adjusted spacing */
@media (max-width: 768px) {
    .table-of-contents {
        order: -1;
        margin-bottom: var(--spacing-md);
        padding: var(--spacing-md);
    }

    .toc-header h3 {
        font-size: 0.95rem;
    }

    .toc-nav a {
        padding: var(--spacing-sm) var(--spacing-sm);
        font-size: 0.8rem;
    }
}

/* Small Mobile: Further optimize TOC positioning */
@media (max-width: 640px) {
    .table-of-contents {
        order: -1;
        margin-bottom: var(--spacing-sm);
        padding: var(--spacing-sm);
    }

    .toc-header {
        margin-bottom: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }

    .toc-header h3 {
        font-size: 0.9rem;
    }

    .toc-nav li {
        margin-bottom: 0.25rem;
    }

    .toc-nav a {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 0.75rem;
    }
}

/* Extra Small Mobile: Minimal spacing for TOC */
@media (max-width: 480px) {
    .table-of-contents {
        order: -1;
        margin-bottom: var(--spacing-xs);
        padding: var(--spacing-xs);
    }

    .toc-header {
        margin-bottom: var(--spacing-xs);
        padding-bottom: var(--spacing-xs);
    }

    .toc-header h3 {
        font-size: 0.85rem;
    }

    .toc-nav a {
        padding: 0.25rem var(--spacing-xs);
        font-size: 0.7rem;
    }
}

/* Sidebar CTA */
.sidebar-cta {
    background: linear-gradient(135deg, var(--bg-card), var(--bg-secondary));
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary);
    padding: var(--spacing-xl);
    text-align: center;
}

.cta-illustration {
    margin-bottom: var(--spacing-lg);
}

.cta-illustration img {
    width: 80px;
    height: auto;
}

.sidebar-cta h4 {
    color: var(--text-heading);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-sm);
}

.sidebar-cta p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-lg);
}

.cta-buttons {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.cta-buttons .arrows {
    color: var(--primary);
    animation: pulse 1.5s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.sidebar-cta .cta-btn {
    display: inline-block;
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    font-weight: 600;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.sidebar-cta .cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(139, 92, 246, 0.4);
}

/* ===== BOTTOM SECTION ===== */
.blog-bottom {
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--border-color);
    margin-top: var(--spacing-2xl);
}

/* FAQ Section */
.faq-section {
    margin-bottom: var(--spacing-2xl);
}

.faq-section h2 {
    color: var(--text-heading);
    font-size: 1.75rem;
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    background: transparent;
    border: none;
    color: var(--text-heading);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s ease;
}

.faq-question:hover {
    background: var(--bg-hover);
}

.faq-icon {
    color: var(--primary-light);
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p,
.faq-answer ul {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--text-body);
}

.faq-answer ul {
    list-style: disc;
    padding-left: var(--spacing-2xl);
}

/* Feedback Section */
.feedback-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-2xl);
}

.feedback-left {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.feedback-left span {
    color: var(--text-body);
}

.feedback-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-body);
    cursor: pointer;
    transition: all 0.2s ease;
}

.feedback-btn:hover {
    background: rgba(139, 92, 246, 0.1);
    border-color: var(--primary);
    color: var(--primary-light);
}

.feedback-btn.selected {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.social-share {
    display: flex;
    gap: var(--spacing-md);
}

.social-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: all 0.2s ease;
    cursor: pointer;
}

.social-icon:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.social-icon svg {
    width: 20px;
    height: 20px;
}

/* Author Bio */
.author-bio {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-2xl);
}

.author-avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    flex-shrink: 0;
}

.author-details {
    flex: 1;
}

.author-details .author-name {
    display: block;
    color: var(--text-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.author-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Sources Section */
.sources-section {
    padding: var(--spacing-xl);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    margin-bottom: var(--spacing-2xl);
}

.sources-section h3 {
    color: var(--text-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
}

.sources-list {
    padding-left: var(--spacing-xl);
}

.sources-list li {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

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

.source-info {
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Related Articles */
.related-articles {
    margin-bottom: var(--spacing-2xl);
}

.related-articles h2 {
    color: var(--text-heading);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-xl);
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.related-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: all 0.3s ease;
}

.related-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(139, 92, 246, 0.2);
    border-color: var(--primary);
}

.related-card a {
    display: block;
    text-decoration: none;
}

.related-card img {
    width: 100%;
    height: 160px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-lg);
}

.card-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(139, 92, 246, 0.2);
    color: var(--primary-light);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.related-card h3 {
    color: var(--text-heading);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.card-meta {
    color: var(--text-muted);
    font-size: 0.8rem;
}


@media (max-width: 768px) {
    .article-title {
        font-size: 2rem;
    }

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

    .process-bar {
        display: none;
        /* Hide process bar on mobile for cleaner look */
    }

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

    .feedback-section {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .feedback-left {
        flex-direction: column;
    }

    .author-bio {
        flex-direction: column;
        text-align: center;
        align-items: center;
    }

    .inline-cta {
        flex-direction: column;
        text-align: center;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 480px) {
    .blog-article {
        padding: var(--spacing-lg);
    }

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

    .article-body h3 {
        font-size: 1.2rem;
    }
}



/* ===== EXPERT CARD DESIGN (Premium) ===== */
.expert-card {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(59, 130, 246, 0.05));
    border: 1px solid rgba(139, 92, 246, 0.2);
    border-left: 4px solid var(--primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    transition: all 0.3s ease;
    margin-bottom: var(--spacing-2xl);
}

.expert-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(139, 92, 246, 0.15);
    border-color: var(--primary);
}

.expert-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    color: var(--primary);
}

.expert-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: var(--spacing-xs);
}

.expert-credentials {
    font-size: 0.9rem;
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.5px;
}

.expert-bio {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: var(--spacing-lg);
}

/* Sources Card Design */
.sources-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.sources-card h3 {
    color: var(--text-heading);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.sources-card ol {
    counter-reset: source-counter;
    list-style: none;
    padding: 0;
}

.sources-card li {
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
    line-height: 1.5;
}

.sources-card li::before {
    counter-increment: source-counter;
    content: counter(source-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 1.5rem;
    height: 1.5rem;
    background: rgba(139, 92, 246, 0.1);
    color: var(--primary-light);
    border-radius: 50%;
    text-align: center;
    line-height: 1.5rem;
    font-size: 0.8rem;
    font-weight: 700;
}

/* ===== MAIN HEADER (Classes Sync) ===== */
.main-header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1001;
    border-bottom: 1px solid var(--border-glass);
    transition: all 0.3s ease;
}

.main-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-glass));
    -webkit-backdrop-filter: blur(var(--blur-glass));
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.header-logo img {
    max-height: 50px;
    width: auto;
    display: block;
}

.main-nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    text-decoration: none;
    transition: color 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient, linear-gradient(135deg, #60A5FA 0%, #3B82F6 100%));
    transition: all 0.3s ease;
    transform: translateX(-50%);
    border-radius: 2px;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link:hover {
    color: var(--primary);
}

.mobile-search-trigger {
    display: none;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    margin-right: 15px;
    order: 2;
    z-index: 1002;
    cursor: pointer;
    transition: color 0.3s ease;
    width: 40px;
    height: 40px;
    padding: 8px;
}

.mobile-search-trigger:hover {
    color: var(--primary);
}

.mobile-search-trigger svg {
    width: 24px;
    height: 24px;
}

.mobile-menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

.header-actions .btn-primary {
    background: var(--primary-gradient);
    color: #ffffff !important;
    padding: 10px 28px;
    border-radius: 999px;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.4);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    border: none;
}

.header-actions .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
    filter: brightness(1.1);
}

@media (max-width: 1024px) {
    .nav-list {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-dark);
        padding: 80px var(--spacing-xl);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start !important;
        gap: var(--spacing-xl);
        z-index: 999;
        overflow-y: auto;
    }

    .nav-list.active {
        display: flex;
        animation: mobileFadeIn 0.3s ease forwards;
    }

    .mobile-menu-toggle {
        display: block;
        z-index: 1001;
        position: relative;
        order: 3;
        margin: 0;
    }

    .mobile-search-trigger {
        display: block;
        color: var(--text-primary);
        order: 1;
        margin: 0;
        z-index: 1001;
    }

    .header-logo-wrapper {
        order: 1;
    }

    .header-actions {
        order: 2;
        margin: 0;
    }

    .header-actions .btn,
    .header-actions .btn-primary {
        padding: 8px 18px !important;
        font-size: 0.85rem !important;
    }

    .nav-list .search-trigger {
        display: none;
    }

    .mobile-menu-toggle svg line {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        transform-origin: center;
    }

    .mobile-menu-toggle.active svg line:nth-child(1) {
        transform: translateY(6px) rotate(45deg);
    }

    .mobile-menu-toggle.active svg line:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }

    .mobile-menu-toggle.active svg line:nth-child(3) {
        transform: translateY(-6px) rotate(-45deg);
    }

    .mobile-menu-toggle.active svg {
        color: var(--primary);
    }
}

@keyframes mobileFadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer-logo {
    display: inline-block;
}

.footer-logo img {
    max-height: 40px;
    width: auto;
    display: block;
    margin-bottom: 1rem;
}

/* ===== MAIN FOOTER (Classes Sync) ===== */
.main-footer {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: var(--spacing-2xl) 0 var(--spacing-xl);
    border-top: 1px solid var(--border-glass);
    margin-top: 4rem;
}

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

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: 3fr repeat(4, 1fr);
    }
}

.footer-contact-info {
    margin-top: 1.5rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-contact-link {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    word-break: break-all;
}

.footer-contact-link:hover {
    color: var(--primary);
}

.footer-contact-icon {
    color: var(--primary);
    flex-shrink: 0;
}

.footer-availability {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-style: italic;
}

.footer-col h3,
.footer-col h4 {
    color: var(--text-heading);
    margin-bottom: var(--spacing-lg);
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-links {
    list-style: none;
    padding: 0;
    max-height: 180px;
    overflow-y: auto;
    overflow-x: hidden;
    padding-right: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--primary) transparent;
}

/* Custom Scrollbar for Chrome, Safari, and Edge */
.footer-links::-webkit-scrollbar {
    width: 4px;
}

.footer-links::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.03);
    border-radius: 10px;
}

.footer-links::-webkit-scrollbar-thumb {
    background: var(--primary-gradient);
    border-radius: 10px;
}

.footer-links::-webkit-scrollbar-thumb:hover {
    background: var(--accent-purple);
}

.footer-links li {
    margin-bottom: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-decoration: none;
    transition: all 0.2s ease;
}

.footer-links a:hover {
    color: var(--primary-light);
    padding-left: 5px;
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.social-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    align-items: center;
    gap: var(--spacing-md);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-lg);
}

.footer-legal a {
    color: var(--text-muted);
    font-size: 0.85rem;
    text-decoration: none;
    transition: color 0.2s ease;
}

.footer-legal a:hover {
    color: var(--text-secondary);
}

@media (max-width: 768px) {
    .main-footer {
        padding: var(--spacing-xl) 0;
        text-align: center;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-col.brand-col {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .footer-contact-info {
        align-items: center;
        width: 100%;
    }

    .footer-contact-link {
        justify-content: center;
        width: 100%;
        max-width: 100%;
    }

    .footer-availability {
        justify-content: center;
        width: 100%;
    }

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

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .footer-legal {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: center;
    }
}

@media (min-width: 576px) and (max-width: 1023px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-col.brand-col {
        grid-column: span 2;
        text-align: center;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

/* ===== RESPONSIVE BLOG LAYOUT ===== */

/* Tablet (1024px and below) */
@media (max-width: 1024px) {
    html {
        font-size: 16px;
    }

    .container {
        padding: 0 var(--spacing-md);
    }

    main {
        padding: var(--spacing-md) 0;
    }
}

/* Medium Tablet (768px and below) */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    main {
        padding: var(--spacing-md) 0;
    }

    .article-header {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .article-header h1 {
        font-size: 1.75rem;
        margin-bottom: var(--spacing-sm);
    }

    .article-header p {
        font-size: 0.95rem;
    }

    .article-body {
    padding-top: 80px;
        padding: var(--spacing-lg) var(--spacing-sm);
        font-size: 0.95rem;
    }

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

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

/* Small Mobile (640px and below) */
@media (max-width: 640px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 var(--spacing-sm);
    }

    main {
        padding: var(--spacing-sm) 0;
    }

    .article-header {
        padding: var(--spacing-md) var(--spacing-sm);
    }

    .article-header h1 {
        font-size: 1.5rem;
        margin-bottom: var(--spacing-xs);
    }

    .article-header p {
        font-size: 0.9rem;
    }

    .article-body {
    padding-top: 80px;
        padding: var(--spacing-md) var(--spacing-sm);
        font-size: 0.9rem;
    }

    .article-body h2 {
        font-size: 1.35rem;
        margin-top: var(--spacing-lg);
    }

    .article-body h3 {
        font-size: 1.1rem;
    }

    .article-body p {
        line-height: 1.6;
        margin-bottom: var(--spacing-md);
    }

    .inline-cta {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
}

/* Extra Small Mobile (480px and below) */
@media (max-width: 480px) {
    html {
        font-size: 13px;
    }

    .container {
        padding: 0 var(--spacing-xs);
    }

    main {
        padding: var(--spacing-sm) 0;
    }

    .article-header {
        padding: var(--spacing-sm) var(--spacing-xs);
    }

    .article-header h1 {
        font-size: 1.35rem;
        margin-bottom: var(--spacing-xs);
        line-height: 1.3;
    }

    .article-header p {
        font-size: 0.85rem;
        line-height: 1.5;
    }

    .article-body {
    padding-top: 80px;
        padding: var(--spacing-sm) var(--spacing-xs);
        font-size: 0.85rem;
    }

    .article-body h2 {
        font-size: 1.2rem;
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .article-body h3 {
        font-size: 1rem;
        margin-top: var(--spacing-md);
        margin-bottom: var(--spacing-xs);
    }

    .article-body p {
        line-height: 1.5;
        margin-bottom: var(--spacing-sm);
    }

    .article-body ul,
    .article-body ol {
        margin-left: var(--spacing-md);
        margin-bottom: var(--spacing-sm);
    }

    .article-body li {
        margin-bottom: var(--spacing-xs);
    }

    .inline-cta {
        flex-direction: column;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
        margin: var(--spacing-lg) 0;
    }

    .article-body table {
        font-size: 0.8rem;
    }

    .article-body blockquote {
        padding: var(--spacing-sm);
        margin: var(--spacing-md) 0;
        font-size: 0.85rem;
    }
}

/* Ultra Small Mobile (360px and below) */
@media (max-width: 360px) {
    html {
        font-size: 12px;
    }

    .container {
        padding: 0 0.5rem;
    }

    .article-header {
        padding: var(--spacing-xs) 0.5rem;
    }

    .article-header h1 {
        font-size: 1.2rem;
        line-height: 1.2;
    }

    .article-header p {
        font-size: 0.8rem;
    }

    .article-body {
    padding-top: 80px;
        padding: var(--spacing-xs) 0.5rem;
        font-size: 0.8rem;
    }

    .article-body h2 {
        font-size: 1.1rem;
    }

    .article-body h3 {
        font-size: 0.95rem;
    }

    .inline-cta {
        padding: 0.5rem;
        gap: 0.5rem;
    }
}

/* Touch-friendly interactions for mobile */
@media (hover: none) and (pointer: coarse) {
    .article-body a {
        padding: 4px 0;
    }
}

/* Print Styles */
@media print {
    main {
        padding: 0;
    }

    .article-header {
        page-break-after: avoid;
    }

    .article-body {
    padding-top: 80px;
        color: #000;
    }

    .inline-cta {
        page-break-inside: avoid;
    }
}

/* === Classes Header Fix: alignment + mobile drawer === */

/* ── 1. Right-group is always a flex row ── */
.header-right-group {
    display: flex !important;
    align-items: center !important;
    gap: 12px !important;
    flex-shrink: 0 !important;
}

/* ── 2. Header container: logo LEFT, right-group RIGHT ── */
@media (max-width: 1024px) {
    .main-header .header-container {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 0 1rem !important;
    }

    /* Force logo to always be first (left) */
    .main-header .header-logo-wrapper {
        order: 0 !important;
        flex-shrink: 0 !important;
    }

    /* .main-nav is absolute — pulled out of flex flow */
    .main-header .main-nav {
        order: 999 !important;
        position: fixed !important;
        top: 80px !important;
        left: 0 !important;
        width: 100% !important;
        background: rgba(255, 255, 255, 0.98) !important;
        backdrop-filter: blur(12px) !important;
        -webkit-backdrop-filter: blur(12px) !important;
        flex-direction: column !important;
        align-items: flex-start !important;
        padding: 1rem !important;
        box-shadow: 0 10px 30px rgba(0,0,0,0.12) !important;
        border-bottom: 1px solid rgba(0,0,0,0.08) !important;
        opacity: 0 !important;
        visibility: hidden !important;
        transform: translateY(-8px) !important;
        transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease !important;
        z-index: 999 !important;
        display: flex !important;
        max-height: calc(100vh - 80px) !important;
        overflow-y: auto !important;
    }

    .main-header .main-nav.active {
        opacity: 1 !important;
        visibility: visible !important;
        transform: translateY(0) !important;
    }

    /* nav-list inside the drawer: vertical column */
    .main-header .nav-list {
        display: none !important;
        flex-direction: column !important;
        width: 100% !important;
        position: static !important;
        height: auto !important;
        background: transparent !important;
        padding: 0 !important;
    }

    .main-header .nav-list.active {
        display: flex !important;
    }

    /* right-group: always last (right side of header) */
    .main-header .header-right-group {
        order: 1 !important;
        margin-left: auto !important;
        gap: 12px !important;
    }

    /* Items inside right-group — left to right: Search, Get Started, Hamburger */
    .mobile-search-trigger {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        order: 1 !important;
        margin: 0 0 0 16px !important;
    }
    .header-actions {
        order: 2 !important;
        margin: 0 !important;
    }
    .mobile-menu-toggle {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        order: 3 !important;
        margin: 0 !important;
    }
}

@media (max-width: 768px) {
    .header-actions .btn, .header-actions .btn-primary {
        padding: 0.6rem 1.25rem !important;
        font-size: 0.85rem !important;
    }
}
@media (max-width: 400px) {
    .header-actions .btn, .header-actions .btn-primary {
        padding: 0.5rem 0.8rem !important;
        font-size: 0.75rem !important;
    }
}