/* ── ARTICLE CONTENT ── */
.article-header { background: var(--degrade); padding: 88px 64px 72px; }
.article-header-inner { max-width: 720px; }
.article-back {
  display: inline-block; font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: rgba(255,255,255,0.4); text-decoration: none; font-weight: 400;
  margin-bottom: 36px; transition: color 0.2s;
}
.article-back:hover { color: rgba(255,255,255,0.8); }
.article-meta { display: flex; gap: 20px; margin-bottom: 24px; align-items: center; }
.article-category-badge {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--vert-sauge); font-weight: 400;
}
.article-date-badge { font-size: 10px; letter-spacing: 0.1em; color: rgba(255,255,255,0.35); font-weight: 400; }
.article-header h1 {
  font-size: 38px; font-weight: 300; color: var(--blanc);
  line-height: 1.3; letter-spacing: 0.02em; margin-bottom: 20px;
}
.article-intro { font-weight: 300; font-size: 15px; line-height: 1.9; color: rgba(255,255,255,0.6); max-width: 600px; }
.article-body { padding: 72px 64px 88px; background: var(--blanc); }
.article-content { max-width: 720px; }
.article-content h2 {
  font-size: 24px; font-weight: 400; color: var(--bleu-nuit);
  margin-top: 56px; margin-bottom: 20px; padding-left: 20px;
  border-left: 2px solid var(--vert-sauge); line-height: 1.3;
}
.article-content h3 {
  font-size: 14px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--bleu-ardoise); margin-top: 36px; margin-bottom: 14px;
}
.article-content p { font-size: 15px; font-weight: 400; line-height: 1.95; color: var(--bleu-fonce); margin-bottom: 20px; }
.article-content ul, .article-content ol { padding-left: 0; margin-bottom: 20px; list-style: none; }
.article-content ul li, .article-content ol li {
  font-size: 15px; font-weight: 400; line-height: 1.9; color: var(--bleu-fonce);
  padding-left: 20px; position: relative; margin-bottom: 10px;
}
.article-content ul li::before { content: '—'; position: absolute; left: 0; color: var(--vert-sauge); font-weight: 400; }
.article-content ol { counter-reset: ol-counter; }
.article-content ol li { counter-increment: ol-counter; }
.article-content ol li::before {
  content: counter(ol-counter) '.'; position: absolute; left: 0;
  color: var(--vert-sauge); font-weight: 400; font-size: 13px;
}
.callout { background: #f0f2f4; border-left: 3px solid var(--vert-sauge); padding: 24px 28px; margin: 36px 0; border-radius: 0 12px 12px 0; }
.callout p { font-size: 14px; font-weight: 400; line-height: 1.85; color: var(--bleu-ardoise); margin-bottom: 0; }
.callout strong { font-weight: 500; color: var(--bleu-nuit); }
.article-cta {
  margin-top: 64px; padding-top: 48px; border-top: 1px solid rgba(45,63,92,0.1);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.article-cta p { font-size: 14px; font-weight: 400; color: var(--gris-texte); margin-bottom: 0; }
.cta-btn {
  display: inline-block; padding: 14px 36px;
  background: var(--bleu-ardoise); color: var(--blanc);
  font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase;
  font-weight: 500; text-decoration: none; border-radius: 980px;
  transition: background 0.25s ease, color 0.25s ease;
  -webkit-tap-highlight-color: transparent;
}
.cta-btn:hover { background: var(--bleu-nuit); }
.back-to-blog { padding: 32px 64px; background: #f0f2f4; border-top: 1px solid rgba(45,63,92,0.06); }
.back-to-blog a {
  font-size: 10px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--bleu-ardoise); text-decoration: none; font-weight: 400; transition: color 0.2s;
}
.back-to-blog a:hover { color: var(--bleu-nuit); }

/* ── RESPONSIVE 900px ── */
@media (max-width: 900px) {
  .article-header { padding: 60px 24px 48px; }
  .article-header h1 { font-size: 28px; }
  .article-content h2 { font-size: 20px; }
  .article-body { padding: 48px 24px 60px; }
  .back-to-blog { padding: 24px 24px; }
  .article-cta { flex-direction: column; align-items: flex-start; }
}

/* ── MOBILE 600px ── */
@media (max-width: 600px) {
  .article-header { padding: 64px 20px 44px; }
  .article-header h1 { font-size: 24px; }
  .article-content h2 { font-size: 18px; }
  .article-body { padding: 40px 20px 48px; }
  .back-to-blog { padding: 20px; }
}