/* =========================================================
   FONCAGE.COM – articles.css
   Styles pour les pages articles / études de cas
   ========================================================= */

/* ── Variables héritées depuis styles.css ─────────────── */
/* (s'appuie sur :root défini dans styles.css) */

/* ---------- 1. MISE EN PAGE GÉNÉRALE -------------------- */

.article-page {
  padding-top: var(--header-h);
}

/* Layout principal : contenu + sidebar */
.article-layout {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 48px;
  padding-top: 48px;
  padding-bottom: 64px;
  align-items: start;
}

/* ---------- 2. BREADCRUMB -------------------------------- */

.breadcrumb {
  background: var(--color-bg-section);
  border-bottom: 1px solid var(--color-border);
  padding: 12px 0;
}

.breadcrumb-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-nav);
  font-size: 0.78rem;
  color: var(--color-text-muted);
}

.breadcrumb li a {
  color: var(--color-text-muted);
  transition: color var(--transition);
}
.breadcrumb li a:hover { color: var(--color-primary); }

.breadcrumb li::after {
  content: '/';
  color: #ccc;
  font-size: 0.72rem;
}
.breadcrumb li:last-child::after { display: none; }
.breadcrumb li:last-child { color: var(--color-text); font-weight: 600; }

/* ---------- 3. EN-TÊTE DE L'ARTICLE --------------------- */

.article-header {
  padding: 40px 0 32px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 40px;
}

.article-category-tag {
  display: inline-block;
  font-family: var(--font-nav);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  background: var(--color-primary);
  padding: 4px 12px;
  margin-bottom: 16px;
}

.article-title {
  font-family: var(--font-heading);
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-dark);
  line-height: 1.2;
  margin-bottom: 20px;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
  font-size: 0.84rem;
  color: var(--color-text-muted);
}

.article-meta time,
.article-meta .reading-time {
  display: flex;
  align-items: center;
  gap: 6px;
}

.article-meta i { color: var(--color-primary); font-size: 0.78rem; }

/* ---------- 4. IMAGE HERO DE L'ARTICLE ------------------ */

.article-cover {
  margin-bottom: 40px;
  border: 3px solid var(--color-border);
  overflow: hidden;
}

.article-cover img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}
.article-cover:hover img { transform: scale(1.02); }

.article-cover figcaption {
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: var(--color-bg-section);
  border-top: 1px solid var(--color-border);
  font-style: italic;
}

/* ---------- 5. CORPS DE L'ARTICLE ----------------------- */

.article-body {
  font-size: 1rem;
  line-height: 1.85;
  color: #333;
}

/* Titres dans l'article */
.article-body h2 {
  font-family: var(--font-heading);
  font-size: clamp(1.25rem, 2.5vw, 1.65rem);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  margin: 48px 0 20px;
  padding-left: 16px;
  border-left: 4px solid var(--color-primary);
  line-height: 1.25;
}

.article-body h3 {
  font-family: var(--font-heading);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 600;
  color: var(--color-dark);
  margin: 36px 0 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.article-body h3::before {
  content: '';
  display: inline-block;
  width: 18px;
  height: 3px;
  background: var(--color-primary);
  flex-shrink: 0;
}

.article-body h4 {
  font-family: var(--font-nav);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
  margin: 28px 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Paragraphes */
.article-body p {
  margin-bottom: 18px;
}

/* Listes */
.article-body ul,
.article-body ol {
  margin: 0 0 20px 0;
  padding-left: 0;
}

.article-body ul li,
.article-body ol li {
  position: relative;
  padding: 4px 0 4px 24px;
  margin-bottom: 6px;
  line-height: 1.7;
}

.article-body ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.8rem;
  top: 6px;
}

.article-body ol {
  counter-reset: article-ol;
}
.article-body ol li::before {
  counter-increment: article-ol;
  content: counter(article-ol) '.';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.88rem;
}

/* ---------- 6. BLOCS FORMULE (math) --------------------- */

.formula-block {
  background: #f9f7f4;
  border: 1px solid #e0dbd0;
  border-left: 4px solid var(--color-primary);
  border-radius: 0 4px 4px 0;
  padding: 18px 20px;
  margin: 24px 0;
  overflow-x: auto;
}

.formula-block .formula-title {
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.formula-block .formula-expr {
  font-family: 'Courier New', 'Consolas', monospace;
  font-size: 1rem;
  color: var(--color-dark);
  line-height: 1.6;
  white-space: pre-wrap;
  overflow-x: auto;
  padding: 12px 0;
  text-align: center;
}

.formula-block .formula-vars {
  margin-top: 12px;
  border-top: 1px solid #e0dbd0;
  padding-top: 12px;
}

.formula-block .formula-vars ul {
  margin: 0;
  padding: 0;
}

.formula-block .formula-vars li {
  font-size: 0.88rem;
  color: #555;
  padding: 2px 0 2px 16px;
  margin-bottom: 4px;
}

.formula-block .formula-vars li::before {
  content: '–';
  position: absolute;
  left: 0;
  color: var(--color-text-muted);
}

/* ---------- 7. IMAGES DANS LE CORPS --------------------- */

.article-figure {
  margin: 32px 0;
}

.article-figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid var(--color-border);
}

.article-figure figcaption {
  padding: 10px 14px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-top: none;
  font-style: italic;
  line-height: 1.5;
}

/* Images formules (rendus mathématiques / tableaux numériques scannés) */
.formula-image {
  background: #fefefe;
  border: 1px solid #ddd;
  padding: 12px;
  margin: 24px 0;
  text-align: center;
}

.formula-image img {
  max-width: 100%;
  height: auto;
  display: inline-block;
}

.formula-image figcaption {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-style: italic;
}

/* ---------- 8. BLOC NOTE / AVERTISSEMENT ---------------- */

.note-block {
  background: #fff8e1;
  border: 1px solid #f0c040;
  border-left: 4px solid #e6a800;
  padding: 16px 20px;
  margin: 28px 0;
  border-radius: 0 4px 4px 0;
}

.note-block strong {
  display: block;
  font-family: var(--font-nav);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #b87800;
  margin-bottom: 6px;
}

.note-block p {
  margin: 0;
  font-size: 0.92rem;
  color: #5a4000;
  line-height: 1.7;
}

/* ---------- 9. TABLE DES MATIÈRES (TOC) ----------------- */

.toc-box {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  padding: 20px 24px;
  margin-bottom: 40px;
}

.toc-box h2 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  margin: 0 0 14px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.toc-box h2 i { color: var(--color-primary); }

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

.toc-list > li {
  counter-increment: toc-counter;
  margin-bottom: 6px;
}

.toc-list > li > a {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--color-text);
  transition: color var(--transition), padding-left var(--transition);
  line-height: 1.4;
}

.toc-list > li > a::before {
  content: counter(toc-counter) '.';
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.82rem;
  flex-shrink: 0;
  min-width: 18px;
}

.toc-list > li > a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

/* ---------- 10. SIDEBAR --------------------------------- */

.article-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.sidebar-widget {
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  padding: 20px;
  margin-bottom: 24px;
}

.sidebar-widget h3 {
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-dark);
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

/* Widget : navigation dans l'article */
.sidebar-toc a {
  display: block;
  font-size: 0.82rem;
  color: var(--color-text-muted);
  padding: 5px 0 5px 12px;
  border-left: 2px solid transparent;
  transition: all var(--transition);
  line-height: 1.4;
}

.sidebar-toc a:hover,
.sidebar-toc a.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  padding-left: 16px;
}

/* Widget : articles connexes */
.related-article-item {
  display: flex;
  gap: 12px;
  padding: 10px 0;
  border-bottom: 1px solid var(--color-border);
}
.related-article-item:last-child { border-bottom: none; padding-bottom: 0; }

.related-article-thumb {
  width: 60px;
  height: 60px;
  object-fit: cover;
  flex-shrink: 0;
  border: 1px solid var(--color-border);
}

.related-article-info a {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.35;
  margin-bottom: 4px;
  transition: color var(--transition);
}
.related-article-info a:hover { color: var(--color-primary); }

.related-article-info time {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* Widget : partage */
.share-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  font-family: var(--font-nav);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid var(--color-border);
  color: var(--color-text);
  transition: all var(--transition);
  cursor: pointer;
  background: var(--color-white);
}
.share-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-white);
}
.share-btn i { font-size: 0.8rem; }

/* ---------- 11. AUTEUR ---------------------------------- */

.author-box {
  display: flex;
  gap: 24px;
  align-items: flex-start;
  padding: 28px;
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  margin: 48px 0 40px;
}

.author-avatar {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
  border: 3px solid var(--color-white);
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.author-info {}

.author-name {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  margin-bottom: 4px;
}

.author-expertise {
  font-size: 0.8rem;
  color: var(--color-primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.author-bio {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.7;
}

/* ---------- 12. ARTICLES CONNEXES ----------------------- */

.related-section {
  padding: 48px 0;
  background: var(--color-bg-section);
  border-top: 1px solid var(--color-border);
}

.related-section .container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.related-section h2 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  margin-bottom: 28px;
  padding-left: 16px;
  border-left: 4px solid var(--color-primary);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.related-card {
  background: var(--color-white);
  border: 1px solid var(--color-border);
  overflow: hidden;
  transition: box-shadow var(--transition), transform var(--transition);
}
.related-card:hover {
  box-shadow: var(--shadow-card);
  transform: translateY(-3px);
}

.related-card-img {
  width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  display: block;
}

.related-card-body {
  padding: 16px;
}

.related-card-date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: block;
  margin-bottom: 6px;
}

.related-card-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.35;
  margin-bottom: 10px;
  transition: color var(--transition);
}
.related-card:hover .related-card-title { color: var(--color-primary); }

.related-card-excerpt {
  font-size: 0.82rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ---------- 13. RESPONSIVE ------------------------------ */

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
  }
}

@media (max-width: 768px) {
  .article-layout {
    padding-top: 32px;
    padding-bottom: 40px;
    gap: 32px;
  }

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

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

  .author-box {
    flex-direction: column;
    gap: 16px;
  }

  .formula-block .formula-expr {
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .article-meta {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }
}

/* =========================================================
   NORMES PAGE – Composants spécifiques
   ========================================================= */

/* ---------- A. GRILLE ELU / ELS (cards rigide / flexible) --- */

.normes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin: 24px 0 32px;
}

.normes-card {
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  background: var(--color-bg-section);
  padding: 20px;
}

.normes-card--flexible {
  border-top-color: #1a6fad;
}

.normes-card__header {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-nav);
  font-size: 0.82rem;
  color: var(--color-dark);
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--color-border);
}

.normes-card--rigide  .normes-card__header i { color: var(--color-primary); font-size: 0.7rem; }
.normes-card--flexible .normes-card__header i { color: #1a6fad; }

.normes-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.normes-card ul li {
  font-size: 0.88rem;
  color: #444;
  padding: 4px 0 4px 18px;
  position: relative;
  line-height: 1.5;
}

.normes-card ul li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  font-size: 0.75rem;
  top: 6px;
}

.normes-card--flexible ul li::before {
  color: #1a6fad;
}

.normes-card ul li.sub-item {
  padding-left: 32px;
  color: #666;
  font-size: 0.84rem;
}

.normes-card ul li.sub-item::before {
  content: '–';
  left: 18px;
  color: #aaa;
}

/* ---------- B. GRILLE CHARGEMENTS ----------------------- */

.chargements-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: 24px 0 32px;
}

.chargement-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 18px 20px;
  background: var(--color-bg-section);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-primary);
  transition: box-shadow var(--transition), transform var(--transition);
}

.chargement-item:hover {
  box-shadow: var(--shadow-card);
  transform: translateX(4px);
}

.chargement-icon {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.chargement-icon i {
  color: var(--color-white);
  font-size: 0.95rem;
}

.chargement-body { flex: 1; }

.chargement-title {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-dark);
  margin: 0 0 6px;
}

/* Annuler le pseudo-élément h3::before hérité du corps d'article */
.chargement-title::before { display: none !important; }

.chargement-body p {
  font-size: 0.88rem;
  color: #555;
  line-height: 1.65;
  margin: 0;
}

/* ---------- C. TABLEAU RÉCAPITULATIF -------------------- */

.recap-table-wrap {
  overflow-x: auto;
  margin: 32px 0 40px;
  border: 1px solid var(--color-border);
}

.recap-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.recap-table__caption {
  font-family: var(--font-nav);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  text-align: left;
  padding: 10px 14px;
  background: #f0efec;
  border-bottom: 1px solid var(--color-border);
  font-style: italic;
  caption-side: top;
}

.recap-table thead th {
  background: var(--color-dark);
  color: var(--color-white);
  font-family: var(--font-nav);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 11px 14px;
  text-align: left;
  white-space: nowrap;
}

.recap-table thead th:first-child {
  border-left: 4px solid var(--color-primary);
}

.recap-table tbody tr {
  border-bottom: 1px solid var(--color-border);
  transition: background var(--transition);
}

.recap-table tbody tr:last-child { border-bottom: none; }

.recap-table tbody tr:hover { background: #f5f3ef; }

.recap-table tbody tr:nth-child(even) { background: var(--color-bg-section); }
.recap-table tbody tr:nth-child(even):hover { background: #f5f3ef; }

.recap-table tbody td {
  padding: 10px 14px;
  color: #444;
  line-height: 1.5;
}

.recap-table tbody td:first-child {
  font-weight: 600;
  color: var(--color-dark);
}

/* ---------- D. RESPONSIVE ------------------------------- */

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

  .chargement-item {
    flex-direction: column;
    gap: 12px;
  }

  .chargement-item:hover {
    transform: none;
  }

  .recap-table {
    font-size: 0.8rem;
  }
}