/* ============================================================
   /blog/ — styles spécifiques rubrique
   ------------------------------------------------------------
   Hérite des variables et resets de styles.css.
   Variables CSS utilisées : --space-{1,2,3,4,6,8,12,16,24},
   --color-ink, --color-gray-{100,200,300,500,700}, --color-mustard,
   --color-off-white, --font-display, --font-body, --text-*, --radius-{md,lg}.
   ============================================================ */

/* ============================================================
   PAGE INDEX — /blog/
   ============================================================ */

.blog-index-hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-12);
}

.blog-index-hero .container {
  max-width: 880px;
}

.blog-index-eyebrow {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-eyebrow-size);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mustard);
  margin: 0 0 var(--space-6);
}

.blog-index-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(36px, 5.5vw, var(--text-display-size));
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-6);
  color: var(--color-ink);
}

.blog-index-lead {
  font-family: var(--font-body);
  font-size: var(--text-lead-size);
  line-height: var(--text-lead-line);
  color: var(--color-gray-700);
  margin: 0 0 var(--space-6);
  max-width: 720px;
}

.blog-index-rss {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-small-size);
  color: var(--color-gray-700);
  text-decoration: none;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color 0.15s, color 0.15s;
}

.blog-index-rss:hover {
  color: var(--color-ink);
  border-color: var(--color-gray-500);
}

.blog-index-list {
  padding-top: var(--space-8);
  padding-bottom: var(--space-24);
}

.blog-index-list .container {
  max-width: 880px;
}

.blog-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
}

/* Reprend le pattern .cas-card de /cas/ :
   fond blanc, bordure soft, hover = bordure mustard + lift -2px + flèche CTA translate-x.
*/
.blog-card {
  background: var(--color-white);
  border: 1px solid var(--color-divider-soft);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.blog-card:hover {
  border-color: var(--color-mustard);
  transform: translateY(-2px);
}

.blog-card-link {
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  text-decoration: none;
  color: inherit;
}

.blog-card-eyebrow {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-mustard-dark);
  margin: 0 0 var(--space-3);
}

.blog-card-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 22px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
}

.blog-card-excerpt {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-gray-700);
  margin: 0 0 var(--space-6);
  flex: 1;
}

.blog-card-cta {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--color-mustard-dark);
  align-self: flex-start;
}

.blog-card-cta span {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.blog-card:hover .blog-card-cta {
  color: var(--color-mustard);
}

.blog-card:hover .blog-card-cta span {
  transform: translateX(3px);
}

/* ============================================================
   ARTICLE — /blog/[slug]/
   ============================================================ */

.blog-article-hero {
  padding-top: var(--space-16);
  padding-bottom: var(--space-4);
}

.blog-article-hero .container {
  max-width: 760px;
}

.blog-article-eyebrow {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-gray-500);
  margin: 0 0 var(--space-6);
}

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

.blog-article-eyebrow a:hover {
  text-decoration: underline;
}

.blog-article-h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 5.2vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 var(--space-6);
  color: var(--color-ink);
}

.blog-article-lead {
  font-family: var(--font-body);
  font-size: var(--text-lead-size);
  line-height: var(--text-lead-line);
  color: var(--color-gray-700);
  margin: 0 0 var(--space-6);
}

/* Corps de l'article */
.blog-article-body {
  padding-top: var(--space-6);
  padding-bottom: var(--space-16);
}

.blog-article-body .container {
  max-width: 720px;
}

.blog-article-body p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-gray-900);
  margin: 0 0 var(--space-6);
}

.blog-article-body h2 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-line);
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: var(--space-12) 0 var(--space-4);
}

.blog-article-body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-h3-size);
  line-height: var(--text-h3-line);
  color: var(--color-ink);
  margin: var(--space-8) 0 var(--space-3);
}

.blog-article-body h4 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-h4-size);
  line-height: var(--text-h4-line);
  color: var(--color-ink);
  margin: var(--space-6) 0 var(--space-2);
}

.blog-article-body ul,
.blog-article-body ol {
  padding-left: var(--space-6);
  margin: 0 0 var(--space-6);
}

.blog-article-body li {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-gray-900);
  margin-bottom: var(--space-2);
}

.blog-article-body blockquote {
  border-left: 3px solid var(--color-mustard);
  padding: var(--space-2) var(--space-6);
  margin: var(--space-8) 0;
  background: var(--color-off-white);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.blog-article-body blockquote p {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 20px;
  line-height: 1.5;
  font-style: italic;
  color: var(--color-ink);
  margin: 0;
}

.blog-article-body code {
  font-family: 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', monospace;
  font-size: 0.92em;
  background: var(--color-gray-100);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  color: var(--color-ink);
}

.blog-article-body pre {
  background: var(--color-gray-900);
  color: var(--color-off-white);
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-md);
  overflow-x: auto;
  margin: 0 0 var(--space-6);
  font-size: 14px;
  line-height: 1.5;
}

.blog-article-body pre code {
  background: transparent;
  color: inherit;
  padding: 0;
}

.blog-article-body a {
  color: var(--color-mustard-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.blog-article-body a:hover {
  color: var(--color-ink);
}

.blog-article-body img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: var(--space-8) 0;
}

.blog-article-body hr {
  border: 0;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-12) 0;
}

.blog-article-body strong {
  font-weight: 700;
  color: var(--color-ink);
}

/* Tags */
.blog-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.blog-tags li {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--color-gray-700);
  background: var(--color-gray-100);
  padding: 4px 10px;
  border-radius: 999px;
}

.blog-tags-small li {
  font-size: 11px;
  padding: 3px 8px;
}

/* CTA fin d'article */
/* Reprend le pattern .section-cta du DS (bg ink + gradient mustard radial). */
.blog-article-cta {
  background:
    var(--gradient-cta-section),
    var(--color-ink);
  color: var(--color-white);
  padding: var(--space-24) 0;
  margin-top: 0;
  position: relative;
  overflow: hidden;
}

/* Bouton secondaire spécifique au CTA fond ink : outline blanc, lisible. */
.blog-article-cta .btn-secondary {
  background: transparent;
  border: 1.5px solid var(--color-white);
  color: var(--color-white);
}
.blog-article-cta .btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-ink);
  border-color: var(--color-white);
}

.blog-article-cta .container {
  max-width: 720px;
  text-align: center;
  position: relative;
  z-index: 2;
}

.blog-article-cta .t-eyebrow { color: var(--color-mustard); }
.blog-article-cta .t-h2 { color: var(--color-white); }

.blog-article-cta-lead {
  font-family: var(--font-body);
  font-size: var(--text-lead-size);
  line-height: var(--text-lead-line);
  color: var(--color-gray-300);
  margin: var(--space-6) auto var(--space-8);
  max-width: 600px;
}

.blog-article-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
}

@media (max-width: 768px) {
  .blog-article-cta { padding: var(--space-16) 0; }
}

/* ============================================================
   TABLE OF CONTENTS — mini-TOC ancré en haut de l'article
   ============================================================ */

/* Section full-width fond off-white + wrapper interne max 720px centré
   (même pattern que .blog-faq + .blog-faq-inner). */
.blog-toc {
  background: var(--color-off-white);
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: var(--space-8) var(--container-padding);
  border-top: 1px solid var(--color-divider-soft);
  border-bottom: 1px solid var(--color-divider-soft);
}

.blog-toc-inner {
  max-width: 720px;
  margin: 0 auto;
}

.blog-toc-label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-mustard);
  margin: 0 0 var(--space-3);
}

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

.blog-toc-list li {
  counter-increment: toc;
  margin: 0 0 var(--space-2);
  font-size: 15px;
  line-height: 1.5;
}

.blog-toc-list li::before {
  content: counter(toc, decimal-leading-zero) ".";
  display: inline-block;
  width: 28px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  color: var(--color-gray-500);
}

.blog-toc-list a {
  color: var(--color-gray-900);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.15s, color 0.15s;
}

.blog-toc-list a:hover {
  color: var(--color-ink);
  border-bottom-color: var(--color-mustard);
}

/* ============================================================
   FAQ ACCORDION — <details>/<summary> dépliables
   ============================================================ */

/* Section full-width fond off-white + contenu contraint max 720px.
   La section englobe le H2 "FAQ" pour un rendu cohérent. */
.blog-faq {
  background: var(--color-off-white);
  width: 100vw;
  margin-left: calc(-50vw + 50%);
  padding: var(--space-12) var(--container-padding);
  border-top: 1px solid var(--color-divider-soft);
  border-bottom: 1px solid var(--color-divider-soft);
}

.blog-faq-inner {
  max-width: 720px;
  margin: 0 auto;
}

.blog-faq-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-h2-size);
  line-height: var(--text-h2-line);
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: 0 0 var(--space-6);
}

.blog-faq-item {
  border-bottom: 1px solid var(--color-divider-soft);
}
.blog-faq-item:first-of-type {
  border-top: 1px solid var(--color-divider-soft);
}

.blog-faq-item > summary {
  list-style: none;
  cursor: pointer;
  padding: var(--space-4) var(--space-6) var(--space-4) 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-ink);
  position: relative;
  transition: color 0.15s;
}

.blog-faq-item > summary::-webkit-details-marker {
  display: none;
}

.blog-faq-item > summary::after {
  content: "+";
  position: absolute;
  right: var(--space-2);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-display);
  font-weight: 400;
  font-size: 24px;
  color: var(--color-mustard);
  transition: transform 0.2s;
}

.blog-faq-item[open] > summary::after {
  content: "−";
}

.blog-faq-item > summary:hover {
  color: var(--color-mustard-dark);
}

.blog-faq-answer {
  padding: 0 var(--space-6) var(--space-4) 0;
  color: var(--color-gray-700);
}

.blog-faq-answer p {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  margin: 0 0 var(--space-3);
}

.blog-faq-answer p:last-child {
  margin-bottom: 0;
}

.blog-faq-answer a {
  color: var(--color-mustard-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

/* ============================================================
   FIGURE — image + légende
   ============================================================ */

.blog-figure {
  margin: var(--space-8) 0;
}

.blog-figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: var(--radius-md);
  background: var(--color-off-white);
  margin: 0 auto;
}

.blog-figure figcaption {
  margin: var(--space-3) auto 0;
  max-width: 680px;
  font-size: 13px;
  font-style: italic;
  line-height: 1.5;
  color: var(--color-gray-500);
  text-align: center;
}

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

@media (max-width: 768px) {
  .blog-index-hero,
  .blog-article-hero {
    padding-top: var(--space-12);
    padding-bottom: var(--space-8);
  }

  .blog-card-link {
    padding: var(--space-6);
  }

  .blog-card-h2 {
    font-size: 22px;
  }

  .blog-article-body p,
  .blog-article-body li {
    font-size: 17px;
  }
}