/* ========================================
   BLOG ARTICLE PAGE - Modern Minimalist Design
   ======================================== */

/* Progress bar */
.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gray-100);
    z-index: 9999;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    width: 0%;
    transition: width 0.1s ease;
}

/* Breadcrumb */
.breadcrumb {
    background: var(--gray-100);
    padding: 16px 0;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    margin-top: 70px;
}

.breadcrumb-nav {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
}

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

.breadcrumb-nav a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-separator {
    color: var(--gray-500);
}

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

/* Article Header */
.article-header {
    background: var(--gray-100);
    padding: 60px 0;
    text-align: center;
}

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

.article-category-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 20px;
}

.article-title {
    font-size: 2.4rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    line-height: 1.25;
}

.article-subtitle {
    font-size: 1.15rem;
    color: var(--gray-700);
    line-height: 1.6;
    margin-bottom: 30px;
    font-weight: 400;
}

.article-meta-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding: 20px;
    background: var(--white);
    border-radius: var(--radius-md);
}

.author-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.author-photo {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
}

.author-name {
    font-size: 0.95rem;
    color: var(--dark);
    margin-bottom: 2px;
    font-weight: 600;
}

.author-title {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
}

.article-stats {
    display: flex;
    gap: 20px;
}

.stat-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--gray-500);
}

.stat-item i {
    color: var(--primary);
}

/* Share buttons */
.article-share {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 24px;
}

.share-label {
    font-weight: 600;
    color: var(--dark);
    margin-right: 8px;
}

.share-buttons {
    display: flex;
    gap: 10px;
}

.share-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    font-size: 0.9rem;
}

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

.share-btn.facebook { background: #3b5998; }
.share-btn.twitter { background: #1da1f2; }
.share-btn.linkedin { background: #0077b5; }
.share-btn.email { background: var(--gray-700); }
.share-btn.copy { background: var(--primary); }

/* Featured Image */
.article-featured-image {
    padding: 30px 0;
    background: var(--gray-100);
}

.featured-image-container {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.featured-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.image-caption p {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-style: italic;
    margin: 0;
}

/* Main Layout */
.article-content-section {
    padding: 70px 0;
    background-color: var(--white);
}

.article-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 50px;
    max-width: 1200px;
    margin: 0 auto;
}

/* Main Content */
.article-main {
    max-width: none;
}

/* Table of Contents */
.table-of-contents {
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 28px;
    margin-bottom: 40px;
}

.table-of-contents h3 {
    color: var(--dark);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.table-of-contents h3 i {
    color: var(--primary);
}

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

.toc-list li {
    margin-bottom: 10px;
}

.toc-list a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    display: block;
    padding: 6px 0;
}

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

/* Article Content */
.article-content {
    font-size: 1.05rem;
    line-height: 1.8;
    color: var(--gray-700);
}

.content-section {
    margin-bottom: 50px;
    scroll-margin-top: 100px;
}

.content-section h2 {
    font-size: 1.7rem;
    color: var(--dark);
    margin-bottom: 20px;
    font-weight: 700;
    padding-bottom: 12px;
    border-bottom: 3px solid var(--primary);
}

.content-section h3 {
    font-size: 1.3rem;
    color: var(--dark);
    margin: 28px 0 16px 0;
    font-weight: 600;
}

.content-section h4 {
    font-size: 1.15rem;
    color: var(--dark);
    margin: 22px 0 12px 0;
    font-weight: 600;
}

.lead {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 28px;
    line-height: 1.7;
}

/* Highlight boxes */
.highlight-box {
    display: flex;
    gap: 16px;
    padding: 24px;
    border-radius: var(--radius-md);
    margin: 28px 0;
    border-left: 4px solid;
}

.highlight-box.info {
    background: var(--primary-light);
    border-left-color: var(--primary);
}

.highlight-box.warning {
    background: #fff8e6;
    border-left-color: #f5a623;
}

.highlight-icon {
    font-size: 1.4rem;
    margin-top: 2px;
}

.highlight-box.info .highlight-icon {
    color: var(--primary);
}

.highlight-box.warning .highlight-icon {
    color: #f5a623;
}

.highlight-content h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--dark);
}

.highlight-content p {
    margin: 0;
    color: var(--gray-700);
}

/* Criteria list */
.criteria-list {
    margin: 30px 0;
}

.criterion-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding: 24px;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

.criterion-number {
    background: var(--primary);
    color: var(--white);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1rem;
    flex-shrink: 0;
}

.criterion-content h3 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--dark);
}

.criterion-content p {
    margin: 0;
    color: var(--gray-700);
}

/* Content images */
.image-content {
    margin: 40px 0;
    text-align: center;
}

.content-image {
    width: 100%;
    max-width: 550px;
    height: auto;
    border-radius: var(--radius-md);
    margin-bottom: 12px;
}

.image-content .image-caption {
    font-size: 0.9rem;
    color: var(--gray-500);
    font-style: italic;
}

/* Specificities grid */
.specificities-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 24px;
    margin: 30px 0;
}

.specificity-card {
    background: var(--white);
    padding: 28px;
    border-radius: var(--radius-md);
    text-align: center;
    border: 1px solid var(--gray-100);
    transition: var(--transition);
}

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

.specificity-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.specificity-card h4 {
    color: var(--dark);
    margin-bottom: 10px;
}

.specificity-card p {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

/* Warning box */
.warning-box {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: #fff8e6;
    border: 1px solid #f5d89a;
    border-radius: var(--radius-md);
    margin: 28px 0;
}

.warning-icon {
    font-size: 1.4rem;
    color: #f5a623;
    margin-top: 2px;
}

.warning-content h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--dark);
}

.warning-content p {
    margin: 0;
    color: var(--gray-700);
}

/* Errors list */
.errors-list {
    margin: 28px 0;
}

.error-item {
    display: flex;
    gap: 16px;
    padding: 18px;
    margin-bottom: 14px;
    background: #fef3f3;
    border-radius: var(--radius-md);
    border-left: 3px solid #dc3545;
}

.error-icon {
    font-size: 1.1rem;
    margin-top: 2px;
    color: #dc3545;
}

.error-content h4 {
    margin-top: 0;
    margin-bottom: 6px;
    color: var(--dark);
    font-size: 1rem;
}

.error-content p {
    margin: 0;
    color: var(--gray-700);
    font-size: 0.9rem;
}

/* Price table */
.price-table {
    background: var(--white);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 28px 0;
    border: 1px solid var(--gray-100);
}

.price-header {
    background: var(--primary);
    color: var(--white);
    padding: 18px;
    text-align: center;
}

.price-header h4 {
    margin: 0;
    font-size: 1.1rem;
}

.price-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    border-bottom: 1px solid var(--gray-100);
}

.price-row:last-of-type {
    border-bottom: none;
}

.service-type {
    font-weight: 500;
    color: var(--dark);
}

.price-range {
    font-weight: 600;
    color: var(--primary);
    font-size: 1.05rem;
}

.price-note {
    padding: 14px 20px;
    background: var(--gray-100);
    text-align: center;
}

.price-note small {
    color: var(--gray-500);
    font-style: italic;
}

/* Expert tips */
.expert-tips {
    margin: 30px 0;
}

.tip-item {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    padding: 24px;
    background: var(--primary-light);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

.tip-icon {
    font-size: 1.4rem;
    color: var(--primary);
    margin-top: 2px;
}

.tip-content h4 {
    margin-top: 0;
    margin-bottom: 10px;
    color: var(--dark);
}

.tip-content p {
    margin: 0;
    color: var(--gray-700);
}

/* Conclusion CTA */
.conclusion-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 45px;
    border-radius: var(--radius-md);
    text-align: center;
    margin: 45px 0;
}

.conclusion-cta h3 {
    margin-top: 0;
    margin-bottom: 14px;
    color: var(--white);
    font-size: 1.5rem;
}

.conclusion-cta p {
    margin-bottom: 28px;
    opacity: 0.95;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    padding: 14px 28px;
    font-weight: 600;
}

.cta-buttons .btn i {
    margin-right: 8px;
}

.cta-buttons .btn-primary {
    background-color: var(--white);
    color: var(--primary);
}

.cta-buttons .btn-secondary {
    border-color: var(--white);
    color: var(--white);
}

/* Article tags */
.article-tags-section {
    margin: 45px 0;
    padding: 24px 0;
    border-top: 1px solid var(--gray-100);
}

.article-tags-section h3 {
    margin-bottom: 16px;
    color: var(--dark);
    font-size: 1.1rem;
}

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.article-tags .tag {
    background: var(--primary-light);
    color: var(--primary);
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(206,152,0,0.2);
    transition: var(--transition);
    text-decoration: none;
}

.article-tags .tag:hover {
    background: var(--primary);
    color: var(--white);
    transform: translateY(-2px);
}

/* Article navigation */
.article-navigation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    margin: 50px 0;
    padding: 30px 0;
    border-top: 1px solid var(--gray-100);
}

.nav-item {
    background: var(--white);
    border-radius: var(--radius-md);
    transition: var(--transition);
    overflow: hidden;
    border: 1px solid var(--gray-100);
}

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

.nav-item a {
    display: block;
    padding: 28px;
    text-decoration: none;
    color: var(--dark);
}

.nav-direction {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-title {
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.4;
    color: var(--dark);
}

.nav-previous {
    text-align: left;
}

.nav-next {
    text-align: right;
}

/* ========================================
   SIDEBAR STYLES
   ======================================== */

.article-sidebar {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.sidebar-widget {
    background: var(--white);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 1px solid var(--gray-100);
}

.sidebar-widget h3 {
    color: var(--dark);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.15rem;
    font-weight: 600;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary);
}

/* Author widget */
.author-card {
    text-align: center;
}

.author-avatar {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--primary);
    margin-bottom: 20px;
}

.author-info h3 {
    margin-bottom: 6px;
    border: none;
    padding: 0;
    font-size: 1.2rem;
}

.author-role {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 4px;
}

.author-experience {
    color: var(--gray-500);
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.author-bio {
    color: var(--gray-700);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.author-contact .btn {
    font-size: 0.9rem;
    padding: 10px 22px;
}

/* Sticky TOC */
.sticky-toc {
    position: sticky;
    top: 100px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

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

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

.toc-link {
    display: block;
    color: var(--gray-700);
    text-decoration: none;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    transition: var(--transition);
    border-left: 3px solid transparent;
}

.toc-link:hover,
.toc-link.active {
    color: var(--primary);
    background: var(--primary-light);
    border-left-color: var(--primary);
}

/* Contact CTA Widget */
.contact-cta {
    text-align: center;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 28px;
    border: 2px solid var(--primary);
}

.cta-icon {
    font-size: 2.2rem;
    color: var(--primary);
    margin-bottom: 16px;
}

.contact-cta h3 {
    color: var(--dark);
    margin-bottom: 10px;
    border: none;
    padding: 0;
}

.contact-cta p {
    color: var(--gray-700);
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.cta-features {
    margin-bottom: 20px;
}

.feature {
    color: var(--secondary);
    font-size: 0.9rem;
    margin-bottom: 6px;
    font-weight: 500;
}

.cta-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.btn-block {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    font-size: 0.9rem;
}

.btn-sm {
    padding: 10px 16px;
    font-size: 0.85rem;
}

/* Related articles */
.related-article {
    display: flex;
    gap: 16px;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--gray-100);
}

.related-article:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.related-article img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.related-content h4 {
    margin: 0 0 8px 0;
    font-size: 0.95rem;
    line-height: 1.35;
}

.related-content h4 a {
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
}

.related-content h4 a:hover {
    color: var(--primary);
}

.related-date {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* ========================================
   COMMENTS SECTION
   ======================================== */

.comments-section {
    background: var(--gray-100);
    padding: 70px 0;
    border-top: 1px solid rgba(0,0,0,0.05);
}

.comments-container {
    max-width: 800px;
    margin: 0 auto;
}

.comments-section h3 {
    color: var(--dark);
    margin-bottom: 14px;
    font-size: 1.5rem;
}

.comments-info p {
    color: var(--gray-700);
    margin-bottom: 30px;
    font-size: 1rem;
}

/* ========================================
   NEWSLETTER CTA
   ======================================== */

.article-newsletter-cta {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: var(--white);
    padding: 70px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.article-newsletter-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('/assets/images/newsletter-pattern.png');
    background-size: cover;
    background-position: center;
    opacity: 0.08;
}

.newsletter-content {
    position: relative;
    z-index: 2;
    max-width: 550px;
    margin: 0 auto;
}

.article-newsletter-cta h2 {
    font-size: 1.9rem;
    margin-bottom: 14px;
}

.article-newsletter-cta p {
    font-size: 1.05rem;
    margin-bottom: 30px;
    opacity: 0.95;
}

.newsletter-form {
    display: flex;
    max-width: 400px;
    margin: 0 auto 16px;
    gap: 10px;
    background: var(--white);
    padding: 5px;
    border-radius: 30px;
}

.newsletter-form input {
    flex: 1;
    padding: 14px 20px;
    border: none;
    border-radius: 25px;
    font-size: 1rem;
}

.newsletter-form input:focus {
    outline: none;
}

.newsletter-form .btn {
    padding: 14px 20px;
    border-radius: 25px;
    white-space: nowrap;
    font-weight: 600;
}

.article-newsletter-cta small {
    opacity: 0.85;
    font-size: 0.85rem;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .article-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .article-sidebar {
        order: -1;
    }

    .sticky-toc {
        position: static;
        max-height: none;
        overflow: visible;
    }
}

@media (max-width: 768px) {
    .article-header {
        padding: 45px 0;
    }

    .article-title {
        font-size: 1.9rem;
    }

    .article-subtitle {
        font-size: 1.05rem;
    }

    .article-meta-header {
        flex-direction: column;
        gap: 20px;
        align-items: flex-start;
    }

    .article-stats {
        flex-wrap: wrap;
        gap: 16px;
    }

    .article-share {
        flex-direction: column;
        gap: 12px;
    }

    .share-buttons {
        justify-content: center;
    }

    .article-content-section {
        padding: 50px 20px;
    }

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

    .content-section h2 {
        font-size: 1.45rem;
    }

    .lead {
        font-size: 1.1rem;
    }

    .criterion-item {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .criterion-number {
        align-self: center;
    }

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

    .price-row {
        flex-direction: column;
        gap: 10px;
        text-align: center;
    }

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

    .cta-buttons {
        flex-direction: column;
        gap: 12px;
    }

    .cta-buttons .btn {
        width: 100%;
    }

    .sidebar-widget {
        padding: 24px 20px;
    }

    .newsletter-form {
        flex-direction: column;
        gap: 14px;
        padding: 20px;
        border-radius: var(--radius-md);
    }

    .newsletter-form input {
        border-radius: var(--radius-sm);
    }

    .newsletter-form .btn {
        border-radius: var(--radius-sm);
    }
}

@media (max-width: 480px) {
    .breadcrumb-nav {
        flex-wrap: wrap;
        gap: 6px;
    }

    .article-title {
        font-size: 1.6rem;
    }

    .author-photo {
        width: 48px;
        height: 48px;
    }

    .stat-item {
        font-size: 0.8rem;
    }

    .share-btn {
        width: 36px;
        height: 36px;
        font-size: 0.8rem;
    }

    .article-featured-image {
        padding: 20px 16px;
    }

    .content-section h2 {
        font-size: 1.3rem;
    }

    .table-of-contents {
        padding: 22px 18px;
    }

    .highlight-box,
    .warning-box,
    .tip-item,
    .criterion-item {
        padding: 18px;
        gap: 12px;
    }

    .sidebar-widget {
        padding: 20px 16px;
    }

    .author-avatar {
        width: 75px;
        height: 75px;
    }

    .article-tags .tag {
        padding: 6px 14px;
        font-size: 0.8rem;
    }

    .article-newsletter-cta {
        padding: 50px 20px;
    }

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

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-section {
    animation: fadeInUp 0.5s ease forwards;
}

.content-section:nth-child(1) { animation-delay: 0.1s; }
.content-section:nth-child(2) { animation-delay: 0.15s; }
.content-section:nth-child(3) { animation-delay: 0.2s; }
.content-section:nth-child(4) { animation-delay: 0.25s; }
.content-section:nth-child(5) { animation-delay: 0.3s; }

/* Smooth scroll */
html {
    scroll-behavior: smooth;
}

/* Focus states */
.share-btn:focus-visible,
.toc-link:focus-visible,
.btn:focus-visible {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .article-share,
    .article-navigation,
    .article-sidebar,
    .article-newsletter-cta,
    .reading-progress,
    .breadcrumb {
        display: none !important;
    }

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

    .article-title {
        color: #000 !important;
    }

    .content-section h2 {
        color: #000 !important;
        border-bottom: 2px solid #000 !important;
    }
}