/* [BLOG-001, 16/09/2026] Style Enterprise & Premium pour le Blog ChorAigraph.
   Utilise les jetons et polices unifiés de `landing.css` et `exec_theme.css`. */

/* ── Barre de progression de lecture supérieure ──────────────────── */
.reading-progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), #38bdf8);
  width: 0%;
  z-index: 9999;
  transition: width 0.1s ease-out;
}

/* ── Conteneur principal ────────────────────────────────────────── */
.blog-main {
  max-width: 1160px;
  margin: 0 auto;
  padding: var(--sp-32) var(--sp-24) var(--sp-64);
}

/* ── En-tête Hero du Blog ───────────────────────────────────────── */
.blog-hero {
  text-align: center;
  max-width: 920px;
  margin: 0 auto var(--sp-40);
  padding: var(--sp-16) 0 0;
}
.blog-hero .capsule {
  margin-bottom: var(--sp-16);
}
.blog-main-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 40px;
  font-weight: 900;
  letter-spacing: -1.2px;
  line-height: 1.18;
  color: var(--text-primary);
  max-width: min(1100px, 100%);
  margin: 0 auto var(--sp-24);
}
@media (max-width: 960px) {
  .blog-main-title {
    font-size: 28px;
    letter-spacing: -0.8px;
  }
}
.blog-hero-sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto;
}

/* ── Barre de filtre par sujet ─────────────────────────────────── */
.blog-topics-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 auto var(--sp-32);
}
.topic-pill {
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--surface);
  border: 1px solid var(--border);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}
.topic-pill:hover,
.topic-pill.active {
  color: var(--text-primary);
  background: rgba(var(--accent-rgb), 0.12);
  border-color: rgba(var(--accent-rgb), 0.5);
}

/* ── Carte « À LA UNE » (Featured Card) ────────────────────────── */
.blog-featured-card {
  display: block;
  position: relative;
  overflow: hidden;
  padding: 36px 32px;
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.08) 0%, rgba(255, 255, 255, 0.02) 100%),
    var(--surface);
  border: 1px solid rgba(var(--accent-rgb), 0.35);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  margin-bottom: var(--sp-48);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.blog-featured-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.blog-featured-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 16px 40px rgba(var(--accent-rgb), 0.2);
}
.badge-featured {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.4);
  color: var(--success);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.8px;
  text-transform: uppercase;
}
.featured-meta-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12.5px;
  color: var(--text-secondary);
}
.featured-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 30px;
  font-weight: 900;
  letter-spacing: -0.8px;
  line-height: 1.25;
  color: var(--text-primary);
  margin: 0 0 14px;
  transition: color 0.2s ease;
}
.blog-featured-card:hover .featured-title {
  color: #818cf8;
}
.featured-desc {
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 24px;
  max-width: 900px;
}
.featured-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--border);
}
.author-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.author-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), #38bdf8);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
}
.author-meta-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
}
.btn-read-featured {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--accent);
  transition: gap 0.2s ease;
}
.blog-featured-card:hover .btn-read-featured {
  gap: 12px;
}

/* ── Grille d'articles standard ─────────────────────────────────── */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp-24);
  margin-bottom: var(--sp-48);
}
.blog-card {
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  padding: 24px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(var(--accent-rgb), 0.04) 0%, transparent 50%),
    var(--surface);
  border: 1px solid var(--border);
  text-decoration: none;
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.blog-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(var(--accent-rgb), 0.7), transparent);
  opacity: 0.3;
  transition: opacity 0.2s ease;
}
.blog-card:hover {
  transform: translateY(-2px);
  border-color: rgba(var(--accent-rgb), 0.6);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}
.blog-card:hover::before {
  opacity: 1;
}
.blog-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}
.blog-card-tag {
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  color: var(--accent);
}
.blog-card-title {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-primary);
  margin: 0 0 10px;
  letter-spacing: -0.3px;
  transition: color 0.2s ease;
}
.blog-card:hover .blog-card-title {
  color: #818cf8;
}
.blog-card-desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0 0 20px;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 12.5px;
  color: var(--text-secondary);
}
.blog-card-arrow {
  color: var(--accent);
  transition: transform 0.2s ease;
}
.blog-card:hover .blog-card-arrow {
  transform: translateX(4px);
}

/* ── Bannière CTA Entreprise & Pilote ────────────────────────────── */
.blog-cta-banner {
  position: relative;
  overflow: hidden;
  padding: 44px 36px;
  border-radius: 20px;
  background:
    linear-gradient(135deg, rgba(var(--accent-rgb), 0.12) 0%, rgba(16, 185, 129, 0.05) 100%),
    var(--surface);
  border: 1px solid rgba(var(--accent-rgb), 0.3);
  text-align: center;
  margin: var(--sp-48) 0;
}
.blog-cta-banner h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 28px;
  font-weight: 900;
  letter-spacing: -0.6px;
  color: var(--text-primary);
  margin: 14px 0 10px;
}
.blog-cta-banner p {
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 24px;
}
.blog-cta-btns {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-cta-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 12px;
  background: var(--accent);
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 14px rgba(var(--accent-rgb), 0.4);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.btn-cta-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--accent-rgb), 0.6);
}
.btn-cta-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.btn-cta-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--accent);
}

/* ── Vue Article Individuel (Lecture Long-Form) ───────────────────── */
.article-wrap {
  max-width: 820px;
  margin: 0 auto;
}
.article-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--sp-24);
}
.article-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.15s ease;
}
.article-breadcrumb a:hover {
  color: var(--accent);
}
.article-breadcrumb .sep {
  opacity: 0.4;
}
.article-tags-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: var(--sp-16);
}
.article-meta-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-secondary);
}
.article-hero-title,
.article-wrap h1 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 38px;
  font-weight: 900;
  letter-spacing: -1px;
  line-height: 1.2;
  color: var(--text-primary);
  margin: 0 0 var(--sp-20);
}
.article-lead {
  font-size: 19.5px;
  line-height: 1.6;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent);
  padding-left: 18px;
  margin: 0 0 var(--sp-40);
  font-style: italic;
}
.article-author-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  padding: 16px 20px;
  border-radius: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  margin-bottom: var(--sp-32);
}
.author-details {
  display: flex;
  align-items: center;
  gap: 12px;
}
.author-name {
  font-weight: 800;
  font-size: 14px;
  color: var(--text-primary);
}
.author-role {
  font-size: 12px;
  color: var(--text-secondary);
}
.btn-share {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-share:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}
.article-body {
  font-size: 18px;
  line-height: 1.8;
  color: var(--text-primary);
}
.article-body h2 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: -0.5px;
  margin: 44px 0 16px;
  color: var(--text-primary);
  position: relative;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
.article-body h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin: 32px 0 12px;
  color: var(--text-primary);
}
.article-body p {
  margin: 0 0 22px;
}
.article-body ul,
.article-body ol {
  margin: 0 0 24px;
  padding-left: 24px;
}
.article-body li {
  margin-bottom: 10px;
  line-height: 1.7;
}
.article-body blockquote {
  margin: 28px 0;
  padding: 18px 24px;
  border-left: 4px solid var(--accent);
  background: rgba(var(--accent-rgb), 0.06);
  border-radius: 0 14px 14px 0;
  font-size: 18px;
  font-style: italic;
  color: var(--text-primary);
  line-height: 1.65;
}
.article-body pre {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
  overflow-x: auto;
  font-size: 14px;
  margin: 0 0 24px;
}
.article-body code {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, Consolas, 'Liberation Mono', monospace;
  font-size: 0.9em;
}

/* ── Encadré de Preuve d'Exécution & HITL ─────────────────────────── */
.article-proof-box {
  margin: 48px 0 32px;
  padding: 24px;
  border-radius: 16px;
  background: rgba(16, 185, 129, 0.06);
  border: 1px solid rgba(16, 185, 129, 0.3);
}
.proof-header {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  color: var(--success);
  margin-bottom: 8px;
}
.article-proof-box p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-secondary);
  margin: 0;
}

/* ── Encadré CTA post-article ────────────────────────────────────── */
.article-bottom-cta {
  margin-top: 48px;
  padding: 32px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  text-align: center;
}
.article-bottom-cta h3 {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 22px;
  font-weight: 800;
  margin: 0 0 8px;
  color: var(--text-primary);
}
.article-bottom-cta p {
  font-size: 14.5px;
  color: var(--text-secondary);
  margin: 0 0 20px;
}
.article-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 24px;
  font-size: 14px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
}
.article-nav-back:hover {
  text-decoration: underline;
}

/* ── Pied de page ────────────────────────────────────────────────── */
.blog-pied {
  max-width: 1100px;
  margin: 0 auto;
  padding: var(--sp-24);
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-secondary);
  text-align: center;
}
.blog-pied a {
  color: var(--text-secondary);
  text-decoration: none;
}
.blog-pied a:hover {
  color: var(--accent);
}

/* ── Responsive ─────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .featured-title {
    font-size: 22px;
  }
  .article-hero-title,
  .article-wrap h1 {
    font-size: 28px;
  }
  .blog-featured-card {
    padding: 24px 20px;
  }
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

/* Pagination de l'index */
.blog-pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin: 40px 0 16px; }
.blog-pagination a { padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border, rgba(255,255,255,.15)); color: var(--text-secondary, inherit); text-decoration: none; font-size: 14px; }
.blog-pagination a:hover { color: var(--text-primary, inherit); }
.blog-pagination a[aria-current="page"] { background: var(--accent, #6366f1); border-color: transparent; color: #fff; font-weight: 600; }

/* [BLOG-ESSAI, 27/10/2026 — demande Kane] Le même appel flottant que l'accueil. */
.blog-essai-flottant {
  position: fixed;
  right: 16px;
  bottom: calc(16px + env(safe-area-inset-bottom));
  z-index: 50;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}
.blog-pied { padding-bottom: 80px; }