/* ═══════════════════════════════════════════════════════════════ */
/* Littoral Numérique — Blog & Articles : Styles & Thème Clair / Sombre */
/* ═══════════════════════════════════════════════════════════════ */

/* ─── Variables & Tokens Blog spécifiques ─── */
:root {
  --blog-card-border: var(--border-color);
  --blog-meta-color: var(--text-light);
  --blog-quote-bg: var(--bg-card);
}

[data-theme="dark"] {
  --blog-card-border: rgba(255, 255, 255, 0.08);
  --blog-meta-color: #8fa3b8;
  --blog-quote-bg: #1c2e45;
}

/* ─── Breadcrumb Bar ─── */
.blog-breadcrumb-bar {
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 20px;
  font-size: 0.9rem;
  transition: background 0.3s, border-color 0.3s;
}

.blog-breadcrumb-bar .inner {
  max-width: 1100px;
  margin: 0 auto;
}

.blog-breadcrumb-bar a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

[data-theme="dark"] .blog-breadcrumb-bar a {
  color: var(--color-primary-light);
}

.blog-breadcrumb-bar a:hover {
  text-decoration: underline;
}

.blog-breadcrumb-bar .sep {
  color: var(--text-light);
  margin: 0 8px;
}

.blog-breadcrumb-bar .current {
  color: var(--text-muted);
}

/* ─── Blog Hub / Listing ─── */
.blog-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.blog-header {
  text-align: center;
  margin-bottom: 48px;
}

.blog-header h1 {
  font-family: var(--font-title);
  font-size: clamp(2rem, 4vw, 2.6rem);
  color: var(--color-primary-dark);
  margin-bottom: 14px;
  line-height: 1.2;
}

[data-theme="dark"] .blog-header h1 {
  color: var(--text-main);
}

.blog-header p {
  font-size: 1.15rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
  line-height: 1.6;
}

.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
  display: flex;
  flex-direction: column;
}

.article-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-primary-light);
}

[data-theme="dark"] .article-card {
  background: var(--bg-section);
  border-color: var(--blog-card-border);
}

.article-banner {
  height: 170px;
  background: linear-gradient(135deg, var(--fill-primary-dark), var(--fill-primary));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
  user-select: none;
}

[data-theme="dark"] .article-banner {
  background: linear-gradient(135deg, #1a2f4c, #162436);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.article-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.article-meta {
  font-size: 0.85rem;
  color: var(--text-light);
  margin-bottom: 12px;
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

[data-theme="dark"] .article-meta {
  color: var(--blog-meta-color);
}

.article-tag {
  background: var(--bg-card);
  color: var(--color-accent);
  padding: 3px 10px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 0.78rem;
  border: 1px solid var(--border-color);
}

[data-theme="dark"] .article-tag {
  background: rgba(0, 192, 206, 0.12);
  color: #00c0ce;
  border-color: rgba(0, 192, 206, 0.3);
}

.article-title {
  font-family: var(--font-title);
  font-size: 1.35rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.35;
}

.article-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s;
}

.article-title a:hover {
  color: var(--color-primary-light);
}

[data-theme="dark"] .article-title {
  color: var(--text-main);
}

[data-theme="dark"] .article-title a:hover {
  color: #00c0ce;
}

.article-excerpt {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.btn-read {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s, transform 0.2s;
}

[data-theme="dark"] .btn-read {
  color: var(--color-primary-light);
}

.btn-read:hover {
  text-decoration: underline;
  transform: translateX(3px);
}

[data-theme="dark"] .btn-read:hover {
  color: #00c0ce;
}

/* ─── Article Detail Pages ─── */
.article-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}

.article-header {
  margin-bottom: 32px;
}

.article-header h1 {
  font-family: var(--font-title);
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  color: var(--color-primary-dark);
  line-height: 1.28;
  margin-bottom: 16px;
}

[data-theme="dark"] .article-header h1 {
  color: var(--text-main);
}

.article-meta-header {
  display: flex;
  gap: 16px;
  align-items: center;
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 25px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
  flex-wrap: wrap;
}

[data-theme="dark"] .article-meta-header {
  color: var(--blog-meta-color);
  border-bottom-color: var(--border-color);
}

.article-intro {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text-muted);
  background: var(--bg-card);
  padding: 22px 24px;
  border-radius: 10px;
  border-left: 4px solid var(--color-accent);
  margin-bottom: 35px;
  box-shadow: var(--shadow);
}

[data-theme="dark"] .article-intro {
  background: var(--bg-card);
  border-left-color: #00c0ce;
  color: var(--text-main);
}

.article-content {
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--text-main);
}

.article-content h2 {
  font-family: var(--font-title);
  color: var(--color-primary-dark);
  font-size: 1.6rem;
  margin-top: 40px;
  margin-bottom: 16px;
  border-bottom: 2px solid var(--color-accent);
  padding-bottom: 8px;
}

[data-theme="dark"] .article-content h2 {
  color: var(--color-primary-light);
  border-bottom-color: #00c0ce;
}

.article-content h3 {
  font-family: var(--font-title);
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-top: 28px;
  margin-bottom: 12px;
}

[data-theme="dark"] .article-content h3 {
  color: #00c0ce;
}

.article-content p {
  margin-bottom: 20px;
  color: var(--text-muted);
}

[data-theme="dark"] .article-content p {
  color: var(--text-muted);
}

.article-content ul,
.article-content ol {
  margin: 0 0 24px 24px;
}

.article-content li {
  margin-bottom: 10px;
  color: var(--text-muted);
}

.article-content strong {
  color: var(--text-main);
}

/* ─── Encadrés & Composants interactifs ─── */
.callout,
.checklist-box {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 10px;
  padding: 24px;
  margin: 30px 0;
  box-shadow: var(--shadow);
}

.callout {
  border-left: 4px solid var(--color-accent);
}

[data-theme="dark"] .callout,
[data-theme="dark"] .checklist-box {
  background: var(--bg-card);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .callout {
  border-left-color: #00c0ce;
}

.checklist-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.checklist-item:last-child {
  margin-bottom: 0;
}

.checklist-icon {
  color: var(--color-accent);
  font-weight: bold;
  font-size: 1.25rem;
  line-height: 1;
}

[data-theme="dark"] .checklist-icon {
  color: #00c0ce;
}

.transparency-note {
  background: var(--bg-card);
  border: 1px dashed var(--border-color);
  padding: 18px;
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-top: 40px;
  line-height: 1.6;
}

[data-theme="dark"] .transparency-note {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--text-light);
}

/* ─── CTA Banners ─── */
.blog-cta,
.cta-box {
  background: linear-gradient(135deg, var(--fill-primary-dark), var(--fill-primary));
  color: #ffffff;
  padding: 36px 28px;
  border-radius: 12px;
  text-align: center;
  margin: 50px 0;
  box-shadow: var(--shadow);
}

[data-theme="dark"] .blog-cta,
[data-theme="dark"] .cta-box {
  background: linear-gradient(135deg, #152235, #1c2e45);
  border: 1px solid rgba(0, 192, 206, 0.35);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}

.blog-cta h3,
.cta-box h3 {
  font-family: var(--font-title);
  color: #ffffff;
  font-size: 1.65rem;
  margin-bottom: 12px;
}

[data-theme="dark"] .blog-cta h3,
[data-theme="dark"] .cta-box h3 {
  color: #ffffff;
}

.blog-cta p,
.cta-box p {
  color: #e2e8f0;
  margin-bottom: 25px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  font-size: 1.05rem;
  line-height: 1.6;
}

.btn-cta-white {
  background: var(--color-cta);
  color: #ffffff !important;
  font-weight: 700;
  padding: 13px 26px;
  border-radius: 8px;
  text-decoration: none;
  display: inline-block;
  font-size: 1rem;
  transition: transform 0.2s, box-shadow 0.2s, background-color 0.2s;
}

.btn-cta-white:hover {
  transform: translateY(-2px);
  background: #d4663c;
  box-shadow: 0 4px 14px rgba(224, 123, 84, 0.4);
}

/* ─── Pied de page universel ─── */
.site-footer {
  background: var(--footer-bg);
  color: #cbd5e1;
  padding: 40px 20px 30px;
  text-align: center;
  font-size: 0.9em;
  margin-top: 60px;
  border-top: 3px solid var(--color-primary);
  transition: background 0.3s;
}

.site-footer a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s;
}

.site-footer a:hover {
  color: #ffffff;
  text-decoration: underline;
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
  .blog-container,
  .article-container {
    padding: 25px 16px 60px;
  }
  .articles-grid {
    grid-template-columns: 1fr;
  }
  .article-header h1 {
    font-size: 1.7rem;
  }
  .blog-cta,
  .cta-box {
    padding: 26px 18px;
  }
}