/* ==========================================
   CRIHD BLOG DETAIL PAGE - STYLES
   ========================================== */

/* Import des variables du thème CRIHD */
/* Les variables sont définies dans theme.css */

/* ==========================================
   BREADCRUMB AVEC RETOUR
   ========================================== */

.breadcrumb-section {
    background: var(--bg-secondary);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid #e5e7eb;
}

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

.breadcrumb-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--primary-color);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

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

.breadcrumb-text {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.breadcrumb-line {
    height: 2px;
    background: var(--primary-color);
    flex: 1;
    margin-left: var(--spacing-md);
}

/* ==========================================
   HERO SECTION DE L'ARTICLE
   ========================================== */

.article-hero {
    background: var(--bg-primary);
    padding: var(--spacing-5xl) 0 var(--spacing-4xl);
    border-bottom: 1px solid #e5e7eb;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

/* ==========================================
   MÉTADONNÉES DE L'ARTICLE
   ========================================== */

.article-meta {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.article-category {
    background: rgba(197, 60, 60, 0.1);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border: 1px solid rgba(197, 60, 60, 0.2);
}

.article-date,
.article-read-time {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.article-date i,
.article-read-time i {
    color: var(--primary-color);
}

.article-title {
    font-size: var(--font-size-5xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: var(--spacing-xl);
}

.article-subtitle {
    font-size: var(--font-size-xl);
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-4xl);
}

/* ==========================================
   AUTEUR ET PARTAGE
   ========================================== */

.article-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-left: 4px solid var(--primary-color);
    text-align: left;
}

.author-avatar img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
}

.author-info {
    flex: 1;
}

.author-info h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.author-info p {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    margin: 0;
}

.article-share {
    display: flex;
    gap: var(--spacing-sm);
}

.share-btn,
.bookmark-btn {
    width: 40px;
    height: 40px;
    background: white;
    border: 1px solid #e5e7eb;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-btn:hover,
.bookmark-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* ==========================================
   IMAGE PRINCIPALE
   ========================================== */

.article-image-section {
    padding: var(--spacing-xl) 0;
    background: var(--bg-secondary);
}

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

.article-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.image-caption {
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
}

.image-caption p {
    font-size: var(--font-size-sm);
    margin: 0;
    opacity: 0.9;
}

/* ==========================================
   SECTION CONTENU PRINCIPAL
   ========================================== */

.article-content-section {
    padding: var(--spacing-5xl) 0;
    background: var(--bg-primary);
}

.content-layout {
    display: grid;
    gap: var(--spacing-4xl);
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 1024px) {
    .content-layout {
        grid-template-columns: 2fr 1fr;
    }
}

/* ==========================================
   CONTENU DE L'ARTICLE
   ========================================== */

.main-content {
    max-width: none;
}

.article-body {
    color: var(--text-secondary);
    line-height: 1.8;
}

.content-block {
    margin-bottom: var(--spacing-4xl);
}

.content-block h2 {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
}

.content-block p {
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-base);
}

.lead-paragraph {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

/* ==========================================
   GRILLE DES STATISTIQUES
   ========================================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-xl) 0;
}

.stat-card {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    text-align: center;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    background: rgba(197, 60, 60, 0.05);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-bold);
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    line-height: 1;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
    font-weight: var(--font-weight-medium);
}

/* ==========================================
   CITATION EN ÉVIDENCE
   ========================================== */

.article-quote {
    background: var(--bg-secondary);
    padding: var(--spacing-4xl);
    margin: var(--spacing-4xl) 0;
    border-left: 4px solid var(--primary-color);
    position: relative;
}

.article-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    position: absolute;
    top: 0;
    left: var(--spacing-xl);
    line-height: 1;
    opacity: 0.3;
}

.article-quote p {
    font-size: var(--font-size-xl);
    font-style: italic;
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.article-quote cite {
    display: block;
    font-size: var(--font-size-base);
    color: var(--text-secondary);
    font-style: normal;
    font-weight: var(--font-weight-medium);
    padding-left: var(--spacing-xl);
}

.article-quote cite::before {
    content: '— ';
}

/* ==========================================
   LISTE DES APPLICATIONS
   ========================================== */

.application-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.application-item {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-left: 3px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.application-item:hover {
    transform: translateX(4px);
    background: rgba(197, 60, 60, 0.05);
}

.app-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
}

.app-content h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
}

.app-content p {
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================
   CAS D'ÉTUDE
   ========================================== */

.case-study {
    background: var(--bg-secondary);
    padding: var(--spacing-4xl);
    border-left: 4px solid var(--primary-color);
}

.case-study-header {
    margin-bottom: var(--spacing-xl);
}

.case-study-label {
    display: inline-block;
    background: var(--primary-color);
    color: white;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.case-study-header h2 {
    border: none;
    padding: 0;
    margin-bottom: 0;
}

.case-study-content {
    display: grid;
    gap: var(--spacing-xl);
    align-items: start;
}

@media (min-width: 768px) {
    .case-study-content {
        grid-template-columns: 1fr 1.5fr;
    }
}

.case-study-image img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-lg);
}

.case-study-results {
    list-style: none;
    margin: var(--spacing-lg) 0;
}

.case-study-results li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    color: var(--text-secondary);
}

.case-study-results li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: var(--font-weight-bold);
}

.case-study-results strong {
    color: var(--primary-color);
}

/* ==========================================
   GRILLE DES DÉFIS
   ========================================== */

.challenges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.challenge-item {
    background: white;
    padding: var(--spacing-xl);
    border: 1px solid #e5e7eb;
    border-left: 4px solid var(--primary-color);
    transition: all var(--transition-normal);
}

.challenge-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.challenge-item h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-md);
}

.challenge-item p {
    color: var(--text-secondary);
    margin: 0;
}

/* ==========================================
   TAGS ET PARTAGE SOCIAL
   ========================================== */

.article-tags {
    margin-top: var(--spacing-4xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid #e5e7eb;
}

.article-tags h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.tag {
    background: rgba(197, 60, 60, 0.1);
    color: var(--primary-color);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    border: 1px solid rgba(197, 60, 60, 0.2);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary-color);
    color: white;
}

.social-share {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid #e5e7eb;
}

.social-share h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
}

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

.share-buttons .share-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--text-secondary);
    background: white;
    transition: all var(--transition-fast);
    width: auto;
    height: auto;
}

.share-buttons .share-btn:hover {
    transform: translateY(-2px);
}

.share-buttons .facebook:hover {
    background: #1877f2;
    border-color: #1877f2;
    color: white;
}

.share-buttons .twitter:hover {
    background: #1da1f2;
    border-color: #1da1f2;
    color: white;
}

.share-buttons .linkedin:hover {
    background: #0077b5;
    border-color: #0077b5;
    color: white;
}

.share-buttons .email:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.share-buttons .copy-link:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
    color: white;
}

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

.sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.sidebar-card {
    background: var(--bg-primary);
    border: 1px solid #e5e7eb;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.card-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-lg) var(--spacing-lg) 0;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-md);
    margin-left: var(--spacing-lg);
    margin-right: var(--spacing-lg);
}

/* ==========================================
   PROFIL AUTEUR SIDEBAR
   ========================================== */

.author-profile {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.author-image {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.author-image img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--bg-secondary);
}

.author-details h4 {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
    text-align: center;
}

.author-title {
    color: var(--primary-color);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.author-bio {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

.author-social {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
}

.author-social a {
    width: 35px;
    height: 35px;
    background: var(--bg-secondary);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.author-social a:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* ==========================================
   ARTICLES CONNEXES
   ========================================== */

.related-articles {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.related-article {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid #f0f0f0;
    transition: all var(--transition-fast);
}

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

.related-article:hover {
    transform: translateX(4px);
    background: rgba(197, 60, 60, 0.02);
}

.related-image {
    flex-shrink: 0;
}

.related-image img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.related-content h4 {
    margin-bottom: var(--spacing-xs);
}

.related-content h4 a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    line-height: 1.4;
}

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

.related-meta {
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    margin: 0;
}

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

.newsletter-card {
    background: var(--primary-color);
    color: white;
}

.newsletter-card .card-title {
    color: white;
    border-bottom-color: rgba(255, 255, 255, 0.3);
}

.newsletter-card p {
    color: rgba(255, 255, 255, 0.9);
    padding: 0 var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.newsletter-form {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.newsletter-form input {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.1);
    color: white;
    margin-bottom: var(--spacing-md);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: white;
    background: rgba(255, 255, 255, 0.2);
}

.btn-subscribe {
    width: 100%;
    background: white;
    color: var(--primary-color);
    border: none;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-subscribe:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.newsletter-note {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--font-size-xs);
    text-align: center;
    margin-top: var(--spacing-sm);
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

/* ==========================================
   CATÉGORIES
   ========================================== */

.categories-list {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid #f0f0f0;
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-fast);
}

.category-item:last-child {
    border-bottom: none;
}

.category-item:hover {
    color: var(--primary-color);
    transform: translateX(4px);
}

.category-name {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
}

.category-count {
    background: var(--bg-secondary);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-xl);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
}

/* ==========================================
   SECTION COMMENTAIRES
   ========================================== */

.comments-section {
    background: var(--bg-secondary);
    padding: var(--spacing-5xl) 0;
}

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

.comments-title {
    font-size: var(--font-size-2xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-4xl);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
}

/* ==========================================
   FORMULAIRE COMMENTAIRE
   ========================================== */

.comment-form-card {
    background: var(--bg-primary);
    padding: var(--spacing-4xl);
    border: 1px solid #e5e7eb;
    border-left: 4px solid var(--primary-color);
    margin-bottom: var(--spacing-4xl);
}

.comment-form-card h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xl);
}

.comment-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.comment-form input,
.comment-form textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid #e5e7eb;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    transition: border-color var(--transition-fast);
}

.comment-form input:focus,
.comment-form textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(197, 60, 60, 0.1);
}

.comment-form textarea {
    resize: vertical;
    margin-bottom: var(--spacing-lg);
}

.btn-submit-comment {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-weight: var(--font-weight-semibold);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
}

.btn-submit-comment:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

/* ==========================================
   LISTE COMMENTAIRES
   ========================================== */

.comments-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.comment {
    display: flex;
    gap: var(--spacing-lg);
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border: 1px solid #e5e7eb;
    transition: all var(--transition-normal);
}

.comment:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.comment-avatar {
    flex-shrink: 0;
}

.comment-avatar img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--bg-secondary);
}

.comment-content {
    flex: 1;
}

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

.comment-header h4 {
    color: var(--text-primary);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    margin: 0;
}

.comment-date {
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
}

.comment-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-lg);
}

.comment-actions {
    display: flex;
    gap: var(--spacing-lg);
}

.comment-action {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: var(--font-size-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    transition: color var(--transition-fast);
}

.comment-action:hover {
    color: var(--primary-color);
}

/* ==========================================
   ARTICLES SUGGÉRÉS
   ========================================== */

.suggested-articles {
    background: var(--bg-primary);
    padding: var(--spacing-5xl) 0;
}

.suggested-articles .section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-4xl);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.article-card {
    background: var(--bg-primary);
    border: 1px solid #e5e7eb;
    overflow: hidden;
    transition: all var(--transition-normal);
}

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

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

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

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

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

.article-card .article-category {
    display: inline-block;
    margin-bottom: var(--spacing-md);
}

.article-card h3 {
    margin-bottom: var(--spacing-md);
}

.article-card h3 a {
    color: var(--text-primary);
    text-decoration: none;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
}

.article-card h3 a:hover {
    color: var(--primary-color);
}

.article-card p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.6;
}

.article-card .article-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-secondary);
}

/* ==========================================
   BARRE DE PROGRESSION DE LECTURE
   ========================================== */

.reading-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: rgba(0, 0, 0, 0.1);
    z-index: var(--z-sticky);
}

.reading-progress .progress-bar {
    height: 100%;
    background: var(--primary-color);
    width: 0%;
    transition: width 0.3s ease;
}

/* ==========================================
   TABLE DES MATIÈRES
   ========================================== */

.table-of-contents {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    border-left: 4px solid var(--primary-color);
    margin-bottom: var(--spacing-4xl);
}

.table-of-contents h3 {
    color: var(--text-primary);
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-lg);
}

.table-of-contents ul {
    list-style: none;
}

.table-of-contents li {
    margin-bottom: var(--spacing-sm);
}

.table-of-contents a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.table-of-contents a:hover {
    color: var(--primary-color);
}

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

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

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .article-title {
        font-size: var(--font-size-3xl);
    }

    .article-subtitle {
        font-size: var(--font-size-lg);
    }

    .article-meta {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .article-author {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-md);
    }

    .article-image img {
        height: 300px;
    }

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

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

    .application-item {
        flex-direction: column;
        text-align: center;
    }

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

    .comment-form .form-row {
        grid-template-columns: 1fr;
    }

    .comment {
        flex-direction: column;
    }

    .comment-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-xs);
    }
}

@media (max-width: 480px) {
    .article-title {
        font-size: var(--font-size-2xl);
    }

    .case-study,
    .comment-form-card {
        padding: var(--spacing-xl);
    }

    .application-item,
    .comment {
        padding: var(--spacing-lg);
    }

    .author-profile,
    .related-articles,
    .categories-list {
        padding: 0 var(--spacing-md) var(--spacing-lg);
    }

    .newsletter-form,
    .newsletter-note {
        padding-left: var(--spacing-md);
        padding-right: var(--spacing-md);
    }
}

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.content-block {
    animation: fadeInUp 0.8s ease-out;
}

.stat-card,
.application-item,
.challenge-item {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

/* Animation en cascade pour les éléments */
.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.application-item:nth-child(1) { animation-delay: 0.1s; }
.application-item:nth-child(2) { animation-delay: 0.3s; }
.application-item:nth-child(3) { animation-delay: 0.5s; }
.application-item:nth-child(4) { animation-delay: 0.7s; }

.challenge-item:nth-child(1) { animation-delay: 0.1s; }
.challenge-item:nth-child(2) { animation-delay: 0.2s; }
.challenge-item:nth-child(3) { animation-delay: 0.3s; }
.challenge-item:nth-child(4) { animation-delay: 0.4s; }

/* ==========================================
   MODES SPÉCIAUX
   ========================================== */

/* Mode impression */
@media print {
    .breadcrumb-section,
    .article-share,
    .social-share,
    .sidebar,
    .comments-section,
    .suggested-articles,
    .reading-progress {
        display: none;
    }

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

    .article-title {
        font-size: var(--font-size-4xl);
        color: black;
    }

    .article-image img {
        max-height: 400px;
    }

    body {
        background: white;
    }

    * {
        animation: none !important;
    }
}

/* Accessibilité - mouvement réduit */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reading-progress .progress-bar {
        transition: none;
    }
}

/* États de focus pour l'accessibilité */
.share-btn:focus,
.bookmark-btn:focus,
.tag:focus,
.category-item:focus,
.related-article:focus,
.comment-action:focus,
.btn-submit-comment:focus,
.btn-subscribe:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}