/* ============================================
   Blog Article Styles
   ============================================ */

/* Back Link */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    font-family: var(--font-mono);
    margin-bottom: var(--spacing-md);
    transition: var(--transition-fast);
}

.back-link:hover {
    color: var(--color-accent);
}

/* Article Header */
.article-header {
    min-height: 80vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 120px;
    padding-bottom: var(--spacing-xl);
    overflow: hidden;
}

.article-header-background {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.article-header .container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.article-header-content {
    display: flex;
    flex-direction: column;
}

.article-header-image {
    animation: fadeInRight 0.8s ease 0.3s forwards;
    opacity: 0;
}

.article-header-card {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: rotate(2deg);
    transition: var(--transition-medium);
}

.article-header-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--color-accent-gradient);
    opacity: 0.15;
    z-index: 1;
}

.article-header-card img {
    width: 100%;
    height: auto;
    display: block;
    filter: brightness(0.9) contrast(1.1);
}

.article-header-card:hover {
    transform: rotate(0deg) scale(1.02);
    box-shadow: var(--shadow-glow);
}

.article-categories {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.article-category {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 148, 0.1);
    border: 1px solid var(--color-accent);
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.article-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

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

.article-author img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid var(--color-accent);
}

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

.author-name {
    font-weight: 700;
    font-size: 1.05rem;
}

.author-title {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
}

.article-stats {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

.stat-item svg {
    color: var(--color-accent);
}


/* Article Grid Layout */
.article-content-wrapper {
    padding: var(--spacing-lg) 0;
    background: var(--color-bg-secondary);
}

.article-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

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

.toc-wrapper {
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.toc-title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
}

.toc {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.toc-link {
    padding: 0.5rem;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    border-left: 2px solid transparent;
    transition: var(--transition-fast);
}

.toc-link:hover {
    color: var(--color-text-primary);
    border-left-color: var(--color-accent);
    background: rgba(255, 255, 255, 0.02);
}

.toc-link.active {
    color: var(--color-accent);
    border-left-color: var(--color-accent);
    background: rgba(0, 255, 148, 0.05);
    font-weight: 600;
}

/* Share Buttons */
.share-wrapper {
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: var(--spacing-md);
}

.share-title {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.share-buttons {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.share-button {
    width: 100%;
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
}

.share-button:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

/* Main Content */
.article-main {
    min-width: 0;
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: var(--spacing-lg);
    overflow: hidden;
}

.content-section {
    padding-top: 0;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.content-section:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.content-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
    scroll-margin-top: 100px;
}

.content-section h3 {
    font-size: 1.5rem;
    margin: var(--spacing-md) 0 var(--spacing-sm);
    scroll-margin-top: 100px;
}

.content-section h4 {
    font-size: 1.25rem;
    margin: var(--spacing-sm) 0;
}

.content-section p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.lead {
    font-size: 1.3rem !important;
    font-weight: 400;
    line-height: 1.7 !important;
    color: var(--color-text-primary) !important;
}

.content-section ul,
.content-section ol {
    margin: var(--spacing-sm) 0;
    padding-left: 2rem;
}

.content-section li {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.content-section li strong {
    color: var(--color-text-primary);
}

/* Quote */
.quote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(0, 255, 148, 0.05);
    border-left: 4px solid var(--color-accent);
    border-radius: 8px;
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-primary);
    line-height: 1.7;
}

.quote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.95rem;
    font-style: normal;
    color: var(--color-text-tertiary);
    font-weight: 600;
}

/* Code Block */
.code-block {
    margin: var(--spacing-md) 0;
    background: #1A1A1A;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    overflow: hidden;
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.code-lang {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.code-copy {
    padding: 0.25rem 0.75rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--color-text-secondary);
    font-size: 0.85rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: var(--transition-fast);
}

.code-copy:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border-color: var(--color-accent);
}

.code-block pre {
    margin: 0;
    padding: var(--spacing-md);
    overflow-x: auto;
}

.code-block code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    line-height: 1.6;
    color: #E0E0E0;
}

/* Info Box */
.info-box {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(0, 212, 255, 0.05);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    margin: var(--spacing-md) 0;
}

.info-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.info-content {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.info-content strong {
    color: var(--color-accent-secondary);
}

/* Warning Box */
.warning-box {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: rgba(255, 193, 7, 0.05);
    border: 1px solid rgba(255, 193, 7, 0.2);
    border-radius: 12px;
    margin: var(--spacing-md) 0;
}

.warning-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.warning-content {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.warning-content strong {
    color: #FFC107;
}

/* Comparison Table */
.comparison-table {
    margin: var(--spacing-md) 0;
}

.comparison-table h3 {
    margin-bottom: var(--spacing-sm);
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-bg-secondary);
    border-radius: 12px;
    overflow: hidden;
}

.comparison-table thead {
    background: rgba(0, 255, 148, 0.1);
}

.comparison-table th {
    padding: var(--spacing-sm);
    text-align: left;
    font-weight: 700;
    color: var(--color-accent);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.comparison-table td {
    padding: var(--spacing-sm);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.comparison-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.feature-item {
    padding: var(--spacing-sm);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    transition: var(--transition-fast);
}

.feature-item:hover {
    border-color: var(--color-accent);
    transform: translateY(-4px);
}

.feature-number {
    font-size: 2rem;
    font-weight: 800;
    font-family: var(--font-mono);
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.feature-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.95rem;
    color: var(--color-text-tertiary);
    margin: 0;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.stat-box {
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    text-align: center;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
}

/* Key Takeaways */
.key-takeaways {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: rgba(0, 255, 148, 0.05);
    border: 1px solid rgba(0, 255, 148, 0.2);
    border-radius: 12px;
}

.key-takeaways h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent);
}

.takeaway-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
    font-size: 1.05rem;
    line-height: 1.6;
    color: var(--color-text-secondary);
}

.takeaway-icon {
    color: var(--color-accent);
    font-size: 1.25rem;
    flex-shrink: 0;
}

/* Article Tags */
.article-tags {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.article-tags h3 {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-sm);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.5rem 1rem;
    background: rgba(0, 255, 148, 0.1);
    border: 1px solid rgba(0, 255, 148, 0.3);
    border-radius: 50px;
    font-size: 0.85rem;
    color: var(--color-accent);
    font-family: var(--font-mono);
    transition: var(--transition-fast);
}

.tag:hover {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    transform: translateY(-2px);
}

/* Author Bio */
.author-bio {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    display: flex;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--color-accent);
    flex-shrink: 0;
}

.author-bio-content h3 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-accent);
    margin: 0 0 0.5rem;
}

.author-bio-content h4 {
    font-size: 1.5rem;
    margin: 0 0 0.25rem;
}

.author-role {
    color: var(--color-text-tertiary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-sm);
}

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

.author-social {
    display: flex;
    gap: var(--spacing-sm);
}


/* Related Posts */
.related-posts {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-primary);
}

.related-posts .section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
}

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

.related-card {
    background: var(--color-bg-secondary);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    overflow: hidden;
    transition: var(--transition-medium);
    display: block;
}

.related-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-glow);
}

.related-image {
    height: 200px;
    overflow: hidden;
}

.related-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.related-card:hover .related-image img {
    transform: scale(1.1);
}

.related-content {
    padding: var(--spacing-sm);
}

.related-meta {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
    font-family: var(--font-mono);
}

.related-title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
    line-height: 1.3;
}

.related-excerpt {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Newsletter CTA */
.newsletter-cta {
    padding: var(--spacing-xl) 0;
    background: var(--color-bg-secondary);
    position: relative;
    overflow: hidden;
}

.newsletter-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 255, 148, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.newsletter-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 1;
}

.newsletter-content h2 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
}

.newsletter-content p {
    font-size: 1.2rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
}

.newsletter-form {
    display: flex;
    gap: var(--spacing-sm);
    max-width: 500px;
    margin: 0 auto var(--spacing-sm);
}

.newsletter-form input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: var(--color-bg-primary);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: var(--color-text-primary);
    font-size: 1rem;
    font-family: var(--font-primary);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 255, 148, 0.1);
}

.newsletter-note {
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

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

    .article-header-image {
        max-width: 560px;
        margin: 0 auto;
    }

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

    .article-sidebar {
        display: none;
    }

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

    .author-avatar {
        margin: 0 auto;
    }

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

@media (max-width: 768px) {
    .article-header {
        padding-top: 90px;
        padding-bottom: var(--spacing-md);
    }

    .article-title {
        font-size: clamp(2rem, 8vw, 3rem);
    }

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

    .article-content-wrapper .container {
        padding-left: 0;
        padding-right: 0;
    }

    .article-main {
        padding: var(--spacing-md);
        border-radius: 0;
        word-break: break-word;
        overflow-wrap: break-word;
    }

    .content-section h2 {
        font-size: 1.75rem;
    }

    .content-section h3 {
        font-size: 1.35rem;
    }

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

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

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

    .newsletter-form {
        flex-direction: column;
    }

    .code-block pre {
        font-size: 0.8rem;
        overflow-x: auto;
        white-space: pre;
    }

    .comparison-table {
        overflow-x: auto;
    }

    .comparison-table table {
        min-width: 500px;
    }

    .key-takeaways {
        padding: var(--spacing-sm);
    }

    .takeaway-item {
        flex-wrap: wrap;
        font-size: 0.95rem;
    }

}

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--color-accent-gradient);
    z-index: 9999;
    transition: width 0.1s ease;
}