/*
  QM Analytics — Blog web analytics
  Liste : /blog-analytics/  ·  Article : /blog-analytics/[slug]
  À charger APRÈS design-system-national.css, utilities.css, pages-services.css
  et themes.css. Le hero, le fil d'Ariane, le CTA et les cartes liées
  proviennent de pages-services.css (classe .svc-page sur <html>).
  Mobile-first.
  ============================================
*/

/* ── Accent blog (charte nationale) ───────── */
.blog-page {
  --svc-accent:       #0369a1;
  --svc-accent-dark:  #0c2340;
  --svc-accent-light: #38bdf8;

  /* Tags catégories — fond clair + texte foncé (contraste AA) */
  --tag-analytics-bg: #dcfce7;
  --tag-analytics-fg: #166534;
  --tag-dataviz-bg:   #f3e8ff;
  --tag-dataviz-fg:   #6b21a8;

  --code-bg: #1e293b;
  --code-fg: #e2e8f0;
}

/* ── Hero ─────────────────────────────────── */
.blog-hero-kicker {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--svc-accent-light);
}

/* ── Tags catégories ──────────────────────── */
.blog-tag {
  display: inline-block;
  padding: 4px 10px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  border-radius: 100px;
}
.blog-tag--analytics { color: var(--tag-analytics-fg); background: var(--tag-analytics-bg); }
.blog-tag--dataviz   { color: var(--tag-dataviz-fg);   background: var(--tag-dataviz-bg); }

/* ══════════════════════════════════════════
   PAGE LISTE
   ══════════════════════════════════════════ */
.blog-intro {
  max-width: 760px;
  margin: 0 auto 48px;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--clr-muted);
  text-align: center;
}
.blog-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  padding: 0;
  list-style: none;
}
.blog-card {
  position: relative;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  transition: border-color 0.2s, transform 0.15s, box-shadow 0.2s;
}
.blog-card:hover,
.blog-card:focus-within {
  border-color: var(--svc-accent);
  box-shadow: 0 6px 24px rgba(12, 35, 64, 0.08);
  transform: translateY(-2px);
}
.blog-card-img {
  width: 100%;
  height: auto;
  aspect-ratio: 1024 / 269;
  object-fit: cover;
}
.blog-card-body {
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  padding: 20px 24px 24px;
}
.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 12px;
  margin-bottom: 12px;
  font-size: 0.85rem;
  color: var(--clr-muted);
}
.blog-card-title {
  margin-bottom: 8px;
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.35;
  color: var(--clr-text);
}
.blog-card-link {
  color: inherit;
}
/* Lien étendu : toute la carte est cliquable */
.blog-card-link::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 12px;
}
.blog-card-link:focus-visible {
  outline: none;
}
.blog-card-link:focus-visible::after {
  outline: 3px solid var(--svc-accent);
  outline-offset: 2px;
}
.blog-card-excerpt {
  flex-grow: 1;
  margin-bottom: 16px;
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--clr-muted);
}
.blog-card-more {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--svc-accent);
}

.blog-topics {
  max-width: 760px;
  margin: 0 auto;
}
.blog-topics p {
  margin-top: 16px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--clr-text);
}
.blog-topics a {
  font-weight: 600;
  color: var(--svc-accent);
  text-decoration: underline;
}

/* ══════════════════════════════════════════
   PAGE ARTICLE
   ══════════════════════════════════════════ */
.blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}
.blog-article {
  min-width: 0;
  max-width: 780px;
}

/* Sommaire */
.blog-toc {
  padding: 24px;
  background: var(--clr-bg-alt);
  border-top: 3px solid var(--svc-accent);
  border-radius: 12px;
}
.blog-toc-title {
  margin-bottom: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
}
.blog-toc ol {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 0;
  list-style: none;
}
.blog-toc ol ol {
  gap: 6px;
  margin-top: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--clr-border);
}
.blog-toc a {
  display: block;
  font-size: 0.9rem;
  line-height: 1.45;
  color: var(--clr-text);
}
.blog-toc ol ol a {
  font-size: 0.85rem;
  color: var(--clr-muted);
}
.blog-toc a:hover { color: var(--svc-accent); }

/* Méta + couverture */
.blog-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  margin-bottom: 24px;
  font-size: 0.9rem;
  color: var(--clr-muted);
}
.blog-meta a {
  font-weight: 600;
  color: var(--svc-accent);
}
.blog-cover {
  margin-bottom: 32px;
}
.blog-cover img {
  width: 100%;
  height: auto;
  border-radius: 12px;
}

/* Série d'articles */
.blog-series {
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--clr-bg-alt);
  border-left: 3px solid var(--svc-accent);
  border-radius: 0 10px 10px 0;
}
.blog-series-title {
  margin-bottom: 10px;
  font-weight: 700;
  color: var(--clr-text);
}
.blog-series ol {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 20px;
  font-size: 0.95rem;
  line-height: 1.5;
}
.blog-series a {
  color: var(--svc-accent);
  text-decoration: underline;
}
.blog-series [aria-current="page"] {
  font-weight: 700;
  color: var(--clr-text);
}

/* Contenu rédactionnel */
.blog-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--clr-text);
}
.blog-content > * + * {
  margin-top: 16px;
}
.blog-content h2 {
  margin-top: 48px;
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  font-weight: 700;
  line-height: 1.3;
  scroll-margin-top: 88px;
}
.blog-content > h2:first-child {
  margin-top: 0;
}
.blog-content h3 {
  margin-top: 32px;
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  font-weight: 700;
  line-height: 1.35;
  scroll-margin-top: 88px;
}
.blog-lead {
  font-size: 1.15rem;
  color: var(--clr-muted);
}
.blog-content ul,
.blog-content ol {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-left: 24px;
}
.blog-content ul { list-style: disc; }
.blog-content ol { list-style: decimal; }
.blog-content li > ul,
.blog-content li > ol {
  margin-top: 8px;
}
.blog-content li::marker {
  color: var(--svc-accent);
}
.blog-content a {
  font-weight: 600;
  color: var(--svc-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.blog-content a:hover { color: var(--clr-dark); }
.blog-content code {
  padding: 2px 6px;
  font-family: var(--font-mono);
  font-size: 0.85em;
  overflow-wrap: anywhere;
  background: var(--clr-bg-alt);
  border-radius: 4px;
}
.blog-code {
  overflow-x: auto;
  padding: 20px;
  font-size: 0.85rem;
  line-height: 1.6;
  color: var(--code-fg);
  background: var(--code-bg);
  border-radius: 10px;
}
.blog-code code {
  padding: 0;
  font-size: inherit;
  white-space: pre;
  overflow-wrap: normal;
  color: inherit;
  background: none;
}
.blog-code:focus-visible {
  outline: 3px solid var(--svc-accent-light);
  outline-offset: 2px;
}
.blog-figure {
  margin-top: 24px;
  margin-bottom: 24px;
  text-align: center;
}
.blog-figure img {
  display: inline-block;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--clr-border);
  border-radius: 8px;
}
.blog-figure figcaption {
  margin-top: 8px;
  font-size: 0.85rem;
  font-style: italic;
  color: var(--clr-muted);
}
.blog-note {
  padding: 16px 20px;
  font-size: 0.98rem;
  background: var(--clr-bg-alt);
  border-left: 3px solid var(--svc-accent-light);
  border-radius: 0 8px 8px 0;
}
.blog-note > * + * {
  margin-top: 8px;
}

/* Partage */
.blog-share {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 16px;
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid var(--clr-border);
}
.blog-share-label {
  font-weight: 600;
  color: var(--clr-text);
}
.blog-share-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 700;
  color: #fff;
  background: #0a66c2;
  border-radius: 100px;
  transition: background 0.2s;
}
.blog-share-link:hover { background: #004182; }
.blog-share-link:focus-visible {
  outline: 3px solid var(--svc-accent);
  outline-offset: 2px;
}

/* Auteur */
.blog-author {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-top: 32px;
  padding: 24px;
  background: var(--clr-bg-alt);
  border-radius: 12px;
}
.blog-author img {
  flex-shrink: 0;
  border-radius: 50%;
}
.blog-author-name {
  margin-bottom: 4px;
  font-weight: 700;
  color: var(--clr-text);
}
.blog-author-bio {
  font-size: 0.95rem;
  line-height: 1.65;
  color: var(--clr-muted);
}
.blog-author-bio a {
  font-weight: 600;
  color: var(--svc-accent);
  text-decoration: underline;
}

/* Navigation précédent / suivant */
.blog-pager {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 1200px;
  margin: 0 auto;
}
.blog-pager a {
  display: block;
  padding: 20px 24px;
  background: #fff;
  border: 1px solid var(--clr-border);
  border-radius: 10px;
  transition: border-color 0.2s;
}
.blog-pager a:hover { border-color: var(--svc-accent); }
.blog-pager-empty { display: none; }
.blog-pager-label {
  display: block;
  margin-bottom: 4px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--clr-muted);
}
.blog-pager-title {
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--clr-text);
}
.blog-pager-all {
  display: flex;
  justify-content: center;
  margin-top: 24px;
  text-align: center;
}
.blog-pager-all a {
  font-weight: 700;
  color: var(--svc-accent);
}

/* ── Écrans plus larges ───────────────────── */
@media (min-width: 768px) {
  .blog-grid { grid-template-columns: repeat(2, 1fr); }
  .blog-pager { grid-template-columns: repeat(2, 1fr); }
  .blog-pager-empty { display: block; }
  .blog-pager-next { text-align: right; }
}

@media (min-width: 1024px) {
  .blog-grid { grid-template-columns: repeat(3, 1fr); }
  .blog-layout {
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 64px;
  }
  .blog-aside {
    position: sticky;
    top: 88px;
    align-self: start;
    max-height: calc(100vh - 112px);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-card { transition: none; }
  .blog-card:hover,
  .blog-card:focus-within { transform: none; }
}