/* ===== BLOG ARTICLE OSTEOLEA — inspiré GK ===== */
.blog-article {
  max-width: 820px;
  margin: 0 auto;
  padding: 48px 24px 80px;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: #1a2e2d;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

/* TITRES */
.blog-article h2 {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 800;
  color: #1a3a3a;
  margin: 48px 0 14px;
  padding-bottom: 10px;
  border-bottom: 2px solid #98D8D8;
  line-height: 1.3;
}
.blog-article h3 {
  font-size: 17px;
  font-weight: 700;
  color: #409393;
  margin: 28px 0 10px;
}
.blog-article p {
  font-size: 15px;
  color: #4a6360;
  margin-bottom: 18px;
}
.blog-article strong { color: #1a2e2d; }
.blog-article a { color: #409393; font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.blog-article a:hover { color: #98D8D8; }

/* INTRO HERO */
.oa-intro {
  background: linear-gradient(135deg, #1a3a3a 0%, #409393 100%);
  border-radius: 16px;
  padding: 32px 28px;
  margin-bottom: 36px;
  color: #fff;
}
.oa-intro p { color: rgba(255,255,255,.9); font-size: 16px; margin: 0 0 10px; }
.oa-intro p:last-child { margin: 0; }
.oa-intro strong { color: #fff; }

/* SOMMAIRE */
.oa-sommaire {
  background: #f4fffe;
  border: 1px solid #98D8D8;
  border-left: 4px solid #409393;
  border-radius: 0 14px 14px 0;
  padding: 24px 26px;
  margin-bottom: 44px;
}
.oa-sommaire-title { font-size: 15px; font-weight: 800; color: #1a2e2d; margin-bottom: 14px; }
.oa-sommaire ol { margin: 0; padding-left: 22px; display: flex; flex-direction: column; gap: 7px; }
.oa-sommaire ol li { font-size: 14px; }
.oa-sommaire ol li a { color: #409393; font-weight: 600; text-decoration: none; }
.oa-sommaire ol li a:hover { text-decoration: underline; }

/* ENCADRÉS */
.oa-box {
  background: #e8f9f8;
  border: 1px solid #98D8D8;
  border-left: 4px solid #409393;
  border-radius: 0 12px 12px 0;
  padding: 18px 20px;
  margin: 24px 0;
  font-size: 14px;
  color: #4a6360;
}
.oa-box b, .oa-box strong { color: #1a2e2d; }
.oa-box--tip { background: #FEF3DC; border-left-color: #d4a020; border-color: #f5e4a0; }
.oa-box--warning { background: #fff5f5; border-left-color: #c84040; border-color: #f5c0c0; }
.oa-box--science { background: #f5f0ff; border-left-color: #7c5cbf; border-color: #cfc0f5; }

/* LISTE STYLÉE (à utiliser avec parcimonie) */
.oa-list {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.oa-list li {
  font-size: 14px;
  color: #4a6360;
  padding: 12px 16px 12px 48px;
  background: #fff;
  border: 1px solid #d4e5e3;
  border-radius: 10px;
  position: relative;
  line-height: 1.6;
}
.oa-list li::before {
  content: attr(data-icon);
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 18px;
}
.oa-list li strong { color: #1a2e2d; }

/* CARDS GRILLE 2 colonnes */
.oa-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin: 22px 0;
}
.oa-card {
  background: #fff;
  border: 1px solid #d4e5e3;
  border-radius: 12px;
  padding: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
}
.oa-card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, #409393, #98D8D8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.oa-card-title { font-size: 13px; font-weight: 800; color: #1a2e2d; margin-bottom: 4px; }
.oa-card-desc { font-size: 12px; color: #4a6360; line-height: 1.55; margin: 0; }

/* CARDS CRITERES (numérotées) */
.oa-criteres { display: flex; flex-direction: column; gap: 12px; margin: 22px 0; }
.oa-critere {
  background: #fff;
  border: 1px solid #d4e5e3;
  border-radius: 12px;
  padding: 16px 18px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.oa-critere-num {
  min-width: 34px;
  height: 34px;
  border-radius: 50%;
  background: linear-gradient(135deg, #409393, #98D8D8);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 800;
  color: #fff;
  flex-shrink: 0;
}
.oa-critere-title { font-size: 14px; font-weight: 700; color: #1a2e2d; margin-bottom: 4px; }
.oa-critere-desc { font-size: 13px; color: #4a6360; line-height: 1.6; margin: 0; }

/* TABLEAU */
.oa-table-wrap {
  overflow-x: auto;
  margin: 22px 0;
  border-radius: 12px;
  border: 1px solid #d4e5e3;
}
.oa-table { width: 100%; border-collapse: collapse; font-size: 13px; min-width: 480px; }
.oa-table thead { background: linear-gradient(135deg, #1a3a3a, #409393); }
.oa-table thead th { color: #fff; font-weight: 700; padding: 12px 14px; text-align: left; }
.oa-table tbody td { padding: 11px 14px; border-bottom: 1px solid #d4e5e3; color: #4a6360; vertical-align: top; }
.oa-table tbody tr:last-child td { border-bottom: none; }
.oa-table tbody tr:hover { background: #f4fffe; }
.oa-table tbody td:first-child { font-weight: 600; color: #1a2e2d; }

/* FAQ INTERACTIVE */
.oa-faq { display: flex; flex-direction: column; gap: 10px; margin: 22px 0; }
.oa-faq-item {
  background: #fff;
  border: 1px solid #d4e5e3;
  border-radius: 12px;
  overflow: hidden;
}
.oa-faq-question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 16px 18px;
  font-size: 14px;
  font-weight: 700;
  color: #1a2e2d;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  line-height: 1.4;
}
.oa-faq-question::after { content: '＋'; font-size: 18px; font-weight: 400; color: #409393; flex-shrink: 0; }
.oa-faq-item[open] .oa-faq-question::after { content: '－'; }
.oa-faq-answer { padding: 0 18px 16px; font-size: 13px; color: #4a6360; line-height: 1.75; }

/* CTA FINAL */
.oa-cta-block {
  background: linear-gradient(135deg, #1a3a3a 0%, #409393 100%);
  border-radius: 16px;
  padding: 30px 28px;
  margin-top: 48px;
  text-align: center;
}
.oa-cta-block p { color: rgba(255,255,255,.9); font-size: 15px; margin: 0 0 16px; }
.oa-cta-block strong { color: #fff; }
.oa-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 26px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 50px;
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  transition: all .25s;
  margin: 4px;
}
.oa-cta-btn:hover { background: rgba(255,255,255,.25); text-decoration: none; color: #fff; }

/* TÉMOIGNAGE */
.oa-temoignage {
  background: #fafefe;
  border: 1px solid #d4e5e3;
  border-radius: 12px;
  padding: 16px 18px;
  margin: 16px 0;
  font-size: 13px;
  color: #4a6360;
  line-height: 1.7;
  position: relative;
}
.oa-temoignage::before { content: '"'; font-size: 40px; color: #98D8D8; opacity: .5; position: absolute; top: 4px; left: 12px; line-height: 1; }
.oa-temoignage-content { padding-left: 22px; }
.oa-temoignage-author { font-size: 12px; font-weight: 700; color: #409393; margin-top: 8px; }

/* RESPONSIVE */
@media(max-width: 640px) {
  .blog-article { padding: 32px 16px 60px; }
  .oa-cards { grid-template-columns: 1fr; }
  .oa-intro, .oa-cta-block { padding: 24px 20px; }
  .oa-table { min-width: 0; font-size: 12px; }
}