/* ============================================================
   blog.css — styles spécifiques au blog
   Réutilise les variables du design system de style.css.
   (Phase 1 : feuille séparée pour ne pas modifier style.css.)
   ============================================================ */

/* --- Hero des pages blog ---
   style.css charge l'image du hero en chemin RELATIF (url('img/...')), ce qui casse
   sous /blog/. On rétablit ici l'image en chemin ABSOLU + un overlay plus léger pour
   que la photo ressorte (bandeau riche, cohérent avec le reste du site). */
.blog-hero {
  background-image:
    linear-gradient(135deg, rgba(27, 42, 74, 0.78), rgba(15, 25, 35, 0.85)),
    url('/img/julien-hero.webp');
  background-position: center 30%;
  background-size: cover;
}
.blog-hero::before { background: transparent; }
/* width:100% évite que le conteneur flex prenne la largeur max-content du titre
   (sinon le h1 reste sur une ligne et déborde/rogne sur mobile). */
.blog-hero .container { text-align: center; width: 100%; }
.blog-hero h1 { margin: 0; overflow-wrap: break-word; }
.blog-hero .section-tag { margin-bottom: 8px; }
.blog-hero .blog-meta,
.blog-hero .section-desc { max-width: 620px; margin-left: auto; margin-right: auto; }

@media (max-width: 768px) {
  /* display:block supprime le shrink-to-fit du conteneur flex : le titre revient
     à la ligne au lieu de déborder/se faire rogner. */
  .blog-hero { display: block; height: auto; min-height: 30vh; padding: 120px 0 36px; }
  .blog-hero .container { width: 100%; box-sizing: border-box; }
  .blog-hero h1 { font-size: 1.7rem; line-height: 1.25; }
}
@media (max-width: 480px) {
  .blog-hero h1 { font-size: 1.5rem; }
}

.blog-breadcrumb {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 16px;
}
.blog-breadcrumb a {
  color: var(--color-gray-200);
  text-decoration: none;
}
.blog-breadcrumb a:hover { color: var(--color-gold); }
.blog-breadcrumb span { margin: 0 6px; opacity: 0.6; }

.blog-meta {
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--color-gray-300);
  margin-top: 12px;
}

/* --- Grille de la liste d'articles --- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
@media (max-width: 1024px) { .blog-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 640px)  { .blog-grid { grid-template-columns: 1fr; } }

.blog-card {
  display: flex;
  flex-direction: column;
  position: relative;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
  text-decoration: none;
  color: inherit;
}
/* Filet or qui se déploie en haut au survol */
.blog-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--color-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
  z-index: 2;
}
.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}
.blog-card:hover::after { transform: scaleX(1); }
.blog-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}
.blog-card-img-wrap { overflow: hidden; }
.blog-card-img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  background: var(--color-gray-100);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.blog-card:hover .blog-card-img { transform: scale(1.05); }

/* Images "infographie" (texte intégré) : afficher en ENTIER, sans rognage,
   sur fond marine assorti. Activé via `imageContain: true` dans le frontmatter. */
/* Images "infographie" : afficher en ENTIER (object-fit: contain), marges
   transparentes pour qu'elles se fondent dans le blanc de la carte/page. */
.blog-card-img.is-contain,
.blog-featured-img.is-contain {
  object-fit: contain;
  background: transparent;
}
/* Sur la page article : l'infographie s'affiche pleine largeur, ratio naturel,
   sans hauteur forcée → aucune bande. */
.blog-article-cover.is-contain {
  height: auto;
  max-height: none;
  object-fit: contain;
}
.blog-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.blog-card-date {
  font-family: var(--font-body);
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.blog-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.3;
  margin: 0 0 12px;
}
.blog-card-desc {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-gray-700);
  line-height: 1.6;
  margin: 0 0 18px;
  flex: 1;
}
.blog-card-link {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
}

.blog-empty {
  text-align: center;
  color: var(--color-gray-500);
  font-family: var(--font-body);
  padding: 48px 0;
}

/* --- Article à la une --- */
.blog-featured {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 0;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  text-decoration: none;
  color: inherit;
  margin-bottom: 56px;
  transition: transform var(--transition), box-shadow var(--transition);
}
.blog-featured:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
}
.blog-featured:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 3px; }
.blog-featured-img-wrap { overflow: hidden; min-height: 320px; }
.blog-featured-img {
  width: 100%;
  height: 100%;
  min-height: 320px;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.blog-featured:hover .blog-featured-img { transform: scale(1.04); }
.blog-featured-body {
  padding: 44px 48px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.blog-badge {
  align-self: flex-start;
  background: var(--color-gold);
  color: var(--color-primary);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  padding: 5px 12px;
  border-radius: 50px;
  margin-bottom: 14px;
}
.blog-featured-title {
  font-family: var(--font-heading);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1.2;
  margin: 6px 0 14px;
}
.blog-featured-desc {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: var(--color-gray-700);
  line-height: 1.65;
  margin: 0 0 22px;
}
.blog-section-title {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  color: var(--color-primary);
  margin: 0 0 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-gray-200);
}

@media (max-width: 768px) {
  .blog-featured { grid-template-columns: 1fr; }
  .blog-featured-img-wrap, .blog-featured-img { min-height: 220px; }
  .blog-featured-body { padding: 28px 24px; }
  .blog-featured-title { font-size: 1.45rem; }
}

/* --- Corps d'un article --- */
.blog-article {
  max-width: 760px;
  margin: 0 auto;
  font-family: var(--font-body);
  color: var(--color-gray-700);
  font-size: 1.05rem;
  line-height: 1.8;
}
.blog-article-cover {
  width: 100%;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-bottom: 32px;
}
.blog-article h2 {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  color: var(--color-primary);
  margin: 40px 0 16px;
}
.blog-article h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--color-primary);
  margin: 28px 0 12px;
}
.blog-article p { margin: 0 0 20px; }
.blog-article ul, .blog-article ol { margin: 0 0 20px; padding-left: 24px; }
.blog-article li { margin-bottom: 8px; }
.blog-article a { color: var(--color-accent); font-weight: 600; }
.blog-article blockquote {
  border-left: 4px solid var(--color-gold);
  background: var(--color-off-white);
  margin: 24px 0;
  padding: 16px 24px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic;
}
.blog-article img { max-width: 100%; border-radius: var(--radius-md); }

.blog-article-cta {
  max-width: 760px;
  margin: 48px auto 0;
  text-align: center;
  background: var(--color-off-white);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
}
.blog-article-cta p {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 20px;
}
.blog-back {
  max-width: 760px;
  margin: 32px auto 0;
  font-family: var(--font-heading);
  font-weight: 600;
}
.blog-back a { color: var(--color-accent); text-decoration: none; }

/* Flèche animée du lien "Lire l'article" */
.blog-card-link {
  display: inline-flex;
  align-items: center;
}
.blog-card-link::after {
  content: '→';
  margin-left: 6px;
  transition: transform var(--transition);
}
.blog-card:hover .blog-card-link::after { transform: translateX(5px); }

/* Lead : premier paragraphe de l'article mis en avant + lettrine */
.blog-article > p:first-of-type {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--color-primary);
  font-weight: 500;
}
.blog-article > p:first-of-type::first-letter {
  float: left;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 3.4rem;
  line-height: 0.86;
  padding: 6px 12px 0 0;
  color: var(--color-accent);
}

/* Encart auteur en fin d'article */
.blog-author {
  max-width: 760px;
  margin: 48px auto 0;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--color-white);
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
}
.blog-author-img {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  flex-shrink: 0;
}
.blog-author-info { display: flex; flex-direction: column; }
.blog-author-info strong {
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-size: 1rem;
}
.blog-author-info span {
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: var(--color-gray-500);
}

/* --- Encart blog sur la page d'accueil --- */
.blog-teaser { background: var(--color-off-white); }
.blog-teaser .blog-grid { margin-top: 40px; }
.blog-teaser-all {
  text-align: center;
  margin-top: 40px;
}

/* Accessibilité : respecter la préférence de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; }
  .blog-card,
  .blog-card-img,
  .blog-card::after,
  .blog-card-link::after { transition: none !important; }
  .blog-card:hover { transform: none; }
  .blog-card:hover .blog-card-img { transform: none; }
  .blog-featured, .blog-featured-img { transition: none !important; }
  .blog-featured:hover { transform: none; }
  .blog-featured:hover .blog-featured-img { transform: none; }
}