/* ============================================================
   Blog — CSS
   Style sobre, technique, zéro pattern IA.
   ============================================================ */

/* Hero */
.blog-hero {
  padding: 3rem 0 2rem;
  border-bottom: 1px solid var(--border-color);
}

.blog-hero h1 {
  font-size: 2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.blog-hero-sub {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin: 0;
  max-width: 600px;
}

/* Layout */
.blog-layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 3rem;
  padding: 2.5rem 0 4rem;
  align-items: start;
}

.blog-content {
  min-width: 0;
}

/* Card grid */
.blog-grid {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.blog-card {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 2rem;
}

.blog-card:last-child {
  border-bottom: none;
}

.blog-card-img img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.blog-card-cat {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
}

.blog-card-cat:hover {
  text-decoration: underline;
}

.blog-card-body h2 {
  font-size: 1.35rem;
  margin: 0.4rem 0 0.6rem;
  line-height: 1.3;
}

.blog-card-body h2 a {
  color: var(--text-primary);
  text-decoration: none;
}

.blog-card-body h2 a:hover {
  color: var(--accent-color);
}

.blog-card-excerpt {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 0.8rem;
}

.blog-card-meta {
  display: flex;
  gap: 1.2rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

/* Sidebar */
.blog-sidebar {
  position: sticky;
  top: 2rem;
}

.sidebar-block {
  margin-bottom: 2rem;
}

.sidebar-block h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin: 0 0 0.8rem;
  font-weight: 600;
}

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

.sidebar-cats li {
  margin-bottom: 0.4rem;
}

.sidebar-cats li.active a {
  color: var(--accent-color);
  font-weight: 600;
}

.sidebar-cats a {
  color: var(--text-primary);
  text-decoration: none;
  font-size: 0.92rem;
}

.sidebar-cats a:hover {
  color: var(--accent-color);
}

.sidebar-cats span {
  color: var(--text-secondary);
  font-size: 0.82rem;
}

/* Pagination */
.blog-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.pagination-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.92rem;
}

.pagination-link:hover {
  text-decoration: underline;
}

.pagination-info {
  color: var(--text-secondary);
  font-size: 0.88rem;
}

.blog-empty {
  color: var(--text-secondary);
  padding: 3rem 0;
  text-align: center;
}

/* ============================================================
   Reading progress bar
   ============================================================ */

.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: var(--accent-color);
  z-index: 9999;
  transition: width 0.1s linear;
}

/* ============================================================
   Article detail
   ============================================================ */

.blog-article {
  padding: 2rem 0 4rem;
}

.blog-breadcrumb {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.blog-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
}

.blog-breadcrumb a:hover {
  color: var(--accent-color);
}

.blog-article-header {
  margin-bottom: 2rem;
}

.blog-article-header h1 {
  font-size: 2.2rem;
  line-height: 1.25;
  margin: 0 0 0.8rem;
  color: var(--text-primary);
  font-weight: 700;
}

.blog-article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  align-items: center;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.blog-article-meta a {
  color: var(--accent-color);
  text-decoration: none;
}

.meta-sep {
  margin: 0 0.3rem;
}

.blog-article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.8rem;
}

.blog-tag {
  font-size: 0.78rem;
  padding: 0.2rem 0.6rem;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: 3px;
  text-decoration: none;
  transition: color 0.15s, background 0.15s;
}

a.blog-tag:hover {
  color: var(--accent-color);
  background: var(--border-color);
}

.blog-article-img {
  margin: 0 0 2rem;
}

.blog-article-img img {
  width: 100%;
  max-height: 400px;
  object-fit: cover;
  border-radius: 4px;
}

/* Article content */
.blog-article-content {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-primary);
  max-width: 750px;
}

.blog-article-content h2 {
  font-size: 1.5rem;
  margin: 2.5rem 0 1rem;
  color: var(--text-primary);
  font-weight: 700;
}

.blog-article-content h3 {
  font-size: 1.2rem;
  margin: 2rem 0 0.8rem;
  color: var(--text-primary);
  font-weight: 600;
}

.blog-article-content p {
  margin: 0 0 1.2rem;
}

.blog-article-content ul,
.blog-article-content ol {
  margin: 0 0 1.2rem;
  padding-left: 1.5rem;
}

.blog-article-content li {
  margin-bottom: 0.4rem;
}

.blog-article-content code:not([class*="language-"]) {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.88em;
  background: var(--bg-secondary);
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
}

.blog-article-content pre:not([class*="language-"]) {
  background: var(--bg-secondary);
  padding: 1.2rem;
  border-radius: 4px;
  overflow-x: auto;
  margin: 0 0 1.5rem;
  border: 1px solid var(--border-color);
}

.blog-article-content pre code {
  background: none;
  padding: 0;
}

.blog-article-content blockquote {
  border-left: 3px solid var(--accent-color);
  margin: 1.5rem 0;
  padding: 0.8rem 1.2rem;
  color: var(--text-secondary);
  background: var(--bg-secondary);
}

.blog-article-content a {
  color: var(--accent-color);
  text-decoration: underline;
}

.blog-article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
}

.blog-article-content th,
.blog-article-content td {
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border-color);
  text-align: left;
}

.blog-article-content th {
  background: var(--bg-secondary);
  font-weight: 600;
}

/* Related articles */
.blog-related {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.blog-related h2 {
  font-size: 1.2rem;
  margin: 0 0 1.2rem;
  color: var(--text-primary);
}

.blog-related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.2rem;
}

.blog-related-card {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-decoration: none;
  transition: border-color 0.15s;
}

.blog-related-card:hover {
  border-color: var(--accent-color);
}

.blog-related-card h3 {
  font-size: 1rem;
  margin: 0 0 0.4rem;
  color: var(--text-primary);
}

.blog-related-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin: 0 0 0.4rem;
  line-height: 1.5;
}

.blog-related-card time {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

/* ============================================================
   Table of contents (sidebar)
   ============================================================ */

.blog-detail-layout {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 2.5rem;
  align-items: start;
}

.blog-detail-main {
  min-width: 0;
}

.blog-toc-sidebar {
  position: sticky;
  top: 2rem;
  font-size: 0.82rem;
}

.blog-toc-title {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  font-weight: 600;
  margin-bottom: 0.6rem;
}

.blog-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--border-color);
}

.blog-toc-item {
  margin: 0;
}

.blog-toc-sub {
  padding-left: 0.8rem;
}

.blog-toc-link {
  display: block;
  padding: 0.25rem 0 0.25rem 0.8rem;
  color: var(--text-secondary);
  text-decoration: none;
  line-height: 1.4;
  border-left: 2px solid transparent;
  margin-left: -2px;
  transition: color 0.15s, border-color 0.15s;
}

.blog-toc-link:hover {
  color: var(--text-primary);
}

.blog-toc-link.active {
  color: var(--accent-color);
  border-left-color: var(--accent-color);
}

/* ============================================================
   CTA contextuel
   ============================================================ */

.blog-cta {
  margin: 2.5rem 0;
  padding: 1.5rem;
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-color);
  border-radius: 4px;
  background: var(--bg-secondary);
}

.blog-cta-title {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0 0 0.5rem;
  color: var(--text-primary);
}

.blog-cta-text {
  font-size: 0.92rem;
  color: var(--text-secondary);
  margin: 0 0 1rem;
  line-height: 1.5;
}

.blog-cta-link {
  font-size: 0.9rem;
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
}

.blog-cta-link:hover {
  text-decoration: underline;
}

/* ============================================================
   Service blog articles cross-link
   ============================================================ */

.service-blog-articles {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

.service-blog-articles h2 {
  font-size: 1.3rem;
  margin: 0 0 1.2rem;
  color: var(--text-primary);
}

.service-blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.2rem;
}

.service-blog-card {
  padding: 1rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  text-decoration: none;
  transition: border-color 0.15s;
}

.service-blog-card:hover {
  border-color: var(--accent-color);
}

.service-blog-card h3 {
  font-size: 0.95rem;
  margin: 0 0 0.4rem;
  color: var(--text-primary);
  line-height: 1.3;
}

.service-blog-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0 0 0.4rem;
  line-height: 1.5;
}

.service-blog-card time {
  font-size: 0.78rem;
  color: var(--text-secondary);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 960px) {
  .blog-detail-layout {
    grid-template-columns: 1fr;
  }

  .blog-toc-sidebar {
    display: none;
  }
}

@media (max-width: 768px) {
  .blog-layout {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .blog-sidebar {
    position: static;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
  }

  .blog-hero h1 {
    font-size: 1.6rem;
  }

  .blog-article-header h1 {
    font-size: 1.7rem;
  }

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

  .service-blog-grid {
    grid-template-columns: 1fr;
  }
}