/* ============================================================
   BLOG.CSS — Phénix Solar
   Styles spécifiques au blog et aux articles
   Préfixe : .blog- pour éviter tout conflit avec style.css
   Auteur : Phénix Solar
   Version : 1.0
   ============================================================ */


/* ══════════════════════════════════════════════════════════
   1. VARIABLES & BASE
   ══════════════════════════════════════════════════════════ */

:root {
  --blog-blue:        #0D4584;
  --blog-blue-light:  #1a5ca8;
  --blog-blue-pale:   #eef3fb;
  --blog-orange:      #e8a012;
  --blog-orange-dark: #d4890a;
  --blog-white:       #ffffff;
  --blog-gray-bg:     #f8f9fa;
  --blog-gray-text:   #666666;
  --blog-gray-border: #e8e8e8;
  --blog-text:        #333333;
  --blog-radius:      10px;
  --blog-shadow:      0 4px 20px rgba(13, 69, 132, 0.1);
  --blog-shadow-hover:0 16px 36px rgba(13, 69, 132, 0.15);
  --blog-transition:  all 0.3s ease;
}


/* ══════════════════════════════════════════════════════════
   2. SECTION FILTRES (page liste)
   ══════════════════════════════════════════════════════════ */

.blog-filters-section {
  background: var(--blog-white);
  padding: 36px 30px 24px;
  border-bottom: 1px solid var(--blog-gray-border);
  position: sticky;
  top: 70px;
  z-index: 90;
  box-shadow: 0 3px 12px rgba(0, 0, 0, 0.05);
}

.blog-filters-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.blog-filters-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 14px;
  display: block;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ── Bulles de filtre ── */
.blog-filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 18px;
  border-radius: 50px;
  border: 1.5px solid var(--blog-gray-border);
  background: var(--blog-white);
  color: var(--blog-gray-text);
  font-family: 'Ubuntu', sans-serif;
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: var(--blog-transition);
  white-space: nowrap;
  line-height: 1;
}

.blog-filter-btn:hover {
  border-color: var(--blog-blue);
  color: var(--blog-blue);
  background: var(--blog-blue-pale);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 69, 132, 0.12);
}

.blog-filter-btn.active {
  background: var(--blog-blue);
  border-color: var(--blog-blue);
  color: var(--blog-white);
  box-shadow: 0 4px 14px rgba(13, 69, 132, 0.28);
}

.blog-filter-btn.active:hover {
  background: var(--blog-blue-light);
  border-color: var(--blog-blue-light);
  transform: translateY(-2px);
}

.blog-filter-count {
  background: rgba(0, 0, 0, 0.12);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  line-height: 1.4;
}

.blog-filter-btn.active .blog-filter-count {
  background: rgba(255, 255, 255, 0.22);
}


/* ══════════════════════════════════════════════════════════
   3. SECTION LISTE DES ARTICLES
   ══════════════════════════════════════════════════════════ */

.blog-articles-section {
  padding: 48px 30px 80px;
  background: var(--blog-gray-bg);
  min-height: 60vh;
}

.blog-articles-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.blog-section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.blog-section-label {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 2.5px;
  text-transform: uppercase;
  color: #999;
  display: flex;
  align-items: center;
  gap: 14px;
}

.blog-section-label::after {
  content: '';
  width: 60px;
  height: 1px;
  background: #ddd;
  display: inline-block;
}

.blog-articles-count {
  font-size: 0.82rem;
  color: #999;
}

.blog-articles-count strong {
  color: var(--blog-blue);
  font-weight: 700;
}


/* ══════════════════════════════════════════════════════════
   4. GRILLE DES CARTES
   ══════════════════════════════════════════════════════════ */

.blog-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

/* Responsive grille */
@media (max-width: 1024px) {
  .blog-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 580px) {
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

.blog-card-coming-soon {
  position: absolute;
  top: 12px;
  right: 12px;
  background: #0D4584;
  color: white;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 5px 10px;
  border-radius: 4px;
  z-index: 10;
  pointer-events: none;
}

/* ══════════════════════════════════════════════════════════
   5. CARTE ARTICLE
   ══════════════════════════════════════════════════════════ */

.blog-card {
  background: var(--blog-white);
  border: 1px solid var(--blog-gray-border);
  border-radius: var(--blog-radius);
  overflow: hidden;
  cursor: pointer;
  transition: var(--blog-transition);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
  /* Réinitialisation des styles hérités de style.css */
  text-align: left;
  padding: 0;
  box-shadow: none;
}

.blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--blog-shadow-hover);
  border-color: var(--blog-blue);
}

.blog-card.hidden {
  display: none !important;
}

/* ── Image de la carte ── */
.blog-card-img {
  width: 100%;
  height: 180px;
  background-size: cover;
  background-position: center;
  background-color: var(--blog-blue-pale);
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
}

.blog-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, transparent 50%, rgba(0,0,0,0.2));
}

/* ── Corps de la carte ── */
.blog-card-body {
  padding: 20px;
  flex: 1;
  display: flex;
  flex-direction: column;
  text-align: left;
}

/* ── Tag catégorie ── */
.blog-card-tag {
  display: inline-block;
  font-size: 0.67rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  padding: 3px 10px;
  border-radius: 3px;
  margin-bottom: 10px;
  line-height: 1.6;
}

/* Couleurs des tags */
.blog-tag-foncier        { background: #eef3fb; color: #0D4584; }
.blog-tag-autoconso      { background: #ecfdf5; color: #065f46; }
.blog-tag-reglementation { background: #fff7ed; color: #9a3412; }
.blog-tag-projets        { background: #eef2ff; color: #3730a3; }
.blog-tag-livre-blanc    { background: #f0f9ff; color: #0369a1; }
.blog-tag-innovation     { background: #fdf4ff; color: #7e22ce; }

/* ── Titre de la carte ── */
.blog-card-title {
  font-size: 0.96rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--blog-blue);
  margin-bottom: 8px;
  flex: 1;
  transition: color 0.2s ease;
  text-align: left;
}

.blog-card:hover .blog-card-title {
  color: var(--blog-orange);
}

/* ── Extrait ── */
.blog-card-excerpt {
  font-size: 0.8rem;
  color: #888;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
  text-align: left;
}

/* ── Pied de carte ── */
.blog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid #f0f0f0;
  font-size: 0.73rem;
  color: #aaa;
  text-align: left;
}

.blog-card-date {
  display: flex;
  align-items: center;
  gap: 5px;
}

.blog-card-cta {
  color: var(--blog-orange);
  font-weight: 700;
  font-size: 0.73rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 5px;
  transition: gap 0.2s ease;
}

.blog-card:hover .blog-card-cta {
  gap: 10px;
}


/* ══════════════════════════════════════════════════════════
   6. ÉTAT VIDE (aucun article dans le filtre)
   ══════════════════════════════════════════════════════════ */

.blog-empty {
  display: none;
  grid-column: 1 / -1;
  text-align: center;
  padding: 70px 20px;
  color: #bbb;
}

.blog-empty i {
  font-size: 2.8rem;
  margin-bottom: 16px;
  display: block;
  color: #ddd;
}

.blog-empty p {
  font-size: 1rem;
  color: #bbb;
}


/* ══════════════════════════════════════════════════════════
   7. PAGE ARTICLE COMPLÈTE (blog/article-nom.php)
   ══════════════════════════════════════════════════════════ */

.blog-article-page {
  background: var(--blog-white);
  min-height: 100vh;
}

/* ── En-tête de l'article ── */
.blog-article-header {
  background: linear-gradient(135deg, var(--blog-blue) 0%, var(--blog-blue-light) 100%);
  padding: 60px 30px 50px;
  position: relative;
  overflow: hidden;
}

.blog-article-header::before {
  content: '';
  position: absolute;
  right: -60px;
  top: -60px;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  border: 50px solid rgba(232, 160, 18, 0.08);
  pointer-events: none;
}

.blog-article-header-inner {
  max-width: 860px;
  margin: 0 auto;
}

/* Tag générique */
.blog-article-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 3px;
  margin-bottom: 18px;
}

/* Couleurs spécifiques par catégorie */
.blog-article-tag.tag-foncier        { background: rgba(238,243,251,0.2); color: #fff; border: 1px solid rgba(255,255,255,0.4); }
.blog-article-tag.tag-autoconso      { background: rgba(236,253,245,0.2); color: #6ee7b7; border: 1px solid rgba(110,231,183,0.4); }
.blog-article-tag.tag-innovation     { background: rgba(253,244,255,0.2); color: #e879f9; border: 1px solid rgba(232,121,249,0.4); }
.blog-article-tag.tag-reglementation { background: rgba(255,247,237,0.2); color: #fdba74; border: 1px solid rgba(253,186,116,0.4); }
.blog-article-tag.tag-projets        { background: rgba(238,242,255,0.2); color: #a5b4fc; border: 1px solid rgba(165,180,252,0.4); }
.blog-article-tag.tag-livre-blanc    { background: rgba(240,249,255,0.2); color: #7dd3fc; border: 1px solid rgba(125,211,252,0.4); }

/* ── H1 principal de l'article (SEO : unique par page) ── */
.blog-article-h1 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--blog-white);
  line-height: 1.3;
  margin-bottom: 16px;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.65);
}

.blog-article-meta span {
  display: flex;
  align-items: center;
  gap: 6px;
}

/* ── Breadcrumb (fil d'ariane — important SEO) ── */
.blog-breadcrumb {
  max-width: 860px;
  margin: 0 auto;
  padding: 16px 30px;
  font-size: 0.8rem;
  color: #999;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--blog-gray-border);
}

.blog-breadcrumb a {
  color: var(--blog-blue);
  text-decoration: none;
  transition: color 0.2s;
}

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

.blog-breadcrumb-sep {
  color: #ccc;
}

.blog-breadcrumb-current {
  color: #999;
}

/* ── Corps de l'article ── */
.blog-article-content {
  max-width: 860px;
  margin: 0 auto;
  padding: 50px 30px 60px;
}

/* ── Chapeau introductif ── */
.blog-article-intro {
  font-size: 1.05rem;
  color: #555;
  line-height: 1.8;
  margin-bottom: 36px;
  padding: 20px 24px;
  background: var(--blog-blue-pale);
  border-left: 4px solid var(--blog-blue);
  border-radius: 0 6px 6px 0;
  font-style: italic;
}

/* ── Sous-titres H2 des sections ── */
.blog-article-h2 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--blog-blue);
  margin: 40px 0 16px;
  padding-left: 14px;
  border-left: 4px solid var(--blog-orange);
  line-height: 1.35;
}

.blog-article-h2:first-child {
  margin-top: 0;
}

/* ── Paragraphes ── */
.blog-article-p {
  font-size: 0.97rem;
  color: #444;
  line-height: 1.85;
  margin-bottom: 20px;
  text-align: left;
}

/* ── Listes à puces ── */
.blog-article-ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.blog-article-ul li {
  font-size: 0.95rem;
  color: #444;
  line-height: 1.8;
  margin-bottom: 10px;
  padding: 12px 16px 12px 48px;
  background: var(--blog-gray-bg);
  border-radius: 6px;
  border-left: 3px solid var(--blog-orange);
  position: relative;
}

.blog-article-ul li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  color: var(--blog-orange);
  font-weight: 700;
  font-size: 1rem;
}

/* ── Bloc mise en valeur (citation, chiffre clé) ── */
.blog-article-highlight {
  background: linear-gradient(135deg, var(--blog-blue) 0%, var(--blog-blue-light) 100%);
  color: var(--blog-white);
  padding: 24px 28px;
  border-radius: var(--blog-radius);
  margin: 32px 0;
  font-size: 1rem;
  line-height: 1.7;
  font-weight: 500;
}

.blog-article-highlight strong {
  color: var(--blog-orange);
}

/* ── Image dans l'article ── */
.blog-article-img {
  width: 100%;
  border-radius: var(--blog-radius);
  margin: 28px 0;
  display: block;
  object-fit: cover;
  max-height: 420px;
}

.blog-article-img-caption {
  text-align: center;
  font-size: 0.78rem;
  color: #aaa;
  margin-top: -20px;
  margin-bottom: 28px;
  font-style: italic;
}

/* ── CTA de fin d'article ── */
.blog-article-cta-box {
  background: var(--blog-blue-pale);
  border: 1px solid rgba(13, 69, 132, 0.15);
  border-radius: var(--blog-radius);
  padding: 32px;
  margin-top: 48px;
  text-align: center;
}

.blog-article-cta-box p {
  font-size: 1rem;
  color: var(--blog-blue);
  margin-bottom: 18px;
  font-weight: 500;
}

.blog-article-cta-btn {
  display: inline-block;
  background: var(--blog-blue);
  color: var(--blog-white);
  font-family: 'Ubuntu', sans-serif;
  font-weight: 700;
  font-size: 0.9rem;
  padding: 14px 32px;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.2s ease, transform 0.2s ease;
}

.blog-article-cta-btn:hover {
  background: var(--blog-orange);
  transform: translateY(-2px);
}

/* ── Navigation entre articles ── */
.blog-article-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 24px 0;
  border-top: 1px solid var(--blog-gray-border);
  margin-top: 48px;
  gap: 20px;
  flex-wrap: wrap;
}

.blog-article-nav-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--blog-blue);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: gap 0.2s ease, color 0.2s ease;
}

.blog-article-nav-back:hover {
  color: var(--blog-orange);
  gap: 12px;
}


/* ══════════════════════════════════════════════════════════
   8. ANIMATIONS
   ══════════════════════════════════════════════════════════ */

@keyframes blog-fadeUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.blog-card:not(.hidden) {
  animation: blog-fadeUp 0.35s ease both;
}

.blog-article-header {
  animation: blog-fadeUp 0.5s ease both;
}

.blog-article-content {
  animation: blog-fadeUp 0.5s 0.1s ease both;
}


/* ══════════════════════════════════════════════════════════
   9. RESPONSIVE MOBILE
   ══════════════════════════════════════════════════════════ */

@media (max-width: 768px) {

  /* Filtres */
  .blog-filters-section {
    padding: 24px 20px 18px;
    top: 60px;
  }

  .blog-filters {
    gap: 8px;
  }

  .blog-filter-btn {
    font-size: 0.78rem;
    padding: 7px 14px;
  }

  /* Articles */
  .blog-articles-section {
    padding: 28px 20px 60px;
  }

  /* Cartes */
  .blog-card-img {
    height: 160px;
  }

  /* Page article */
  .blog-article-header {
    padding: 40px 20px 36px;
  }

  .blog-article-h1 {
    font-size: 1.5rem;
  }

  .blog-article-content {
    padding: 36px 20px 48px;
  }

  .blog-article-h2 {
    font-size: 1.1rem;
  }

  .blog-article-nav {
    flex-direction: column;
    align-items: flex-start;
  }

  .blog-breadcrumb {
    padding: 12px 20px;
  }
}

@media (max-width: 480px) {

  .blog-filter-btn {
    font-size: 0.74rem;
    padding: 6px 12px;
  }

  .blog-article-meta {
    gap: 14px;
    font-size: 0.75rem;
  }

  .blog-article-intro {
    font-size: 0.95rem;
    padding: 16px 18px;
  }

  .blog-article-cta-box {
    padding: 24px 20px;
  }
}


/* ══════════════════════════════════════════════════════════
   10. SEO — ACCESSIBILITÉ
   ══════════════════════════════════════════════════════════ */

/* Focus visible pour accessibilité clavier */
.blog-card:focus,
.blog-filter-btn:focus,
.blog-article-nav-back:focus,
.blog-article-cta-btn:focus {
  outline: 2px solid var(--blog-orange);
  outline-offset: 3px;
}

/* Texte alternatif visible si image absente */
.blog-card-img[alt] {
  font-size: 0.75rem;
  color: #999;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ══════════════════════════════════════════════════════════
   11. MODALE ARTICLE
   ══════════════════════════════════════════════════════════ */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  overflow-y: auto;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: all;
}

.modal {
  background: #fff;
  border-radius: 12px;
  width: 100%;
  max-width: 760px;
  overflow: hidden;
  transform: translateY(30px);
  transition: transform 0.3s ease;
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
  text-align: left;
}

.modal-overlay.open .modal {
  transform: translateY(0);
}

.modal-header {
  background: linear-gradient(135deg, #0D4584, #1a5ca8);
  padding: 36px 40px 30px;
  position: relative;
}

.modal-tag {
  display: inline-block;
  background: rgba(232, 160, 18, 0.2);
  border: 1px solid rgba(232, 160, 18, 0.5);
  color: #e8a012;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 4px 12px;
  border-radius: 3px;
  margin-bottom: 14px;
  display: block;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.35;
  margin-bottom: 12px;
}

.modal-meta {
  display: flex;
  gap: 20px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.65);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.modal-body {
  padding: 40px;
  text-align: left;
}

.modal-footer {
  padding: 20px 40px 32px;
  text-align: center;
  border-top: 1px solid #f0f0f0;
}

.modal-footer p {
  font-size: 0.85rem;
  color: #888;
  margin-bottom: 14px;
}

.btn-contact {
  display: inline-block;
  background: #0D4584;
  color: #fff;
  font-family: 'Ubuntu', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 12px 28px;
  border-radius: 5px;
  text-decoration: none;
  transition: background 0.2s;
}

.btn-contact:hover {
  background: #e8a012;
}

@media (max-width: 768px) {
  .modal-header { padding: 28px 24px 22px; }
  .modal-title  { font-size: 1.2rem; }
  .modal-body   { padding: 28px 24px; }
  .modal-footer { padding: 16px 24px 24px; }
}