/* ============================================================
   BLOG ARTICLE PAGE — blog-article.css
   OrthoChronicles | Dr. Maninder Singh
   ============================================================ */

/* ── Article Hero ── */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, var(--blue-dark) 0%, var(--blue) 50%, #2D2D2D 100%);
  padding: 120px 0 60px;
  overflow: hidden;
}
.article-hero-bg {
  position: absolute; inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}
.article-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: .8rem; color: rgba(255,255,255,.6);
  margin-bottom: 20px;
}
.article-breadcrumb a { color: rgba(255,255,255,.7); transition: var(--trans); }
.article-breadcrumb a:hover { color: var(--teal-light); }
.article-breadcrumb i { font-size: .65rem; }

.article-tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.article-tag {
  background: rgba(255,255,255,.12);
  color: #fff;
  font-size: .72rem; font-weight: 600;
  letter-spacing: .08em; text-transform: uppercase;
  padding: 5px 14px; border-radius: 100px;
  border: 1px solid rgba(255,255,255,.2);
}
.article-tag.teal { background: rgba(232,105,44,.25); border-color: var(--teal); color: var(--teal-light); }

.article-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.9rem, 4vw, 3rem);
  color: #fff; line-height: 1.25;
  margin-bottom: 18px;
}
.article-subtitle {
  font-size: 1rem; color: rgba(255,255,255,.75);
  max-width: 680px; line-height: 1.7;
  margin-bottom: 32px;
}

.article-meta-bar {
  display: flex; flex-wrap: wrap; align-items: center;
  justify-content: space-between; gap: 20px;
  border-top: 1px solid rgba(255,255,255,.15);
  padding-top: 24px;
}
.article-author { display: flex; align-items: center; gap: 14px; }
.author-avatar {
  width: 52px; height: 52px;
  border-radius: 50%; object-fit: cover;
  border: 2px solid var(--teal);
}
.article-author strong { display: block; color: #fff; font-size: .95rem; }
.article-author span { font-size: .78rem; color: rgba(255,255,255,.6); }
.article-meta-right { display: flex; flex-wrap: wrap; gap: 18px; }
.article-meta-right span {
  font-size: .8rem; color: rgba(255,255,255,.65);
  display: flex; align-items: center; gap: 6px;
}
.article-meta-right i { color: var(--teal-light); }

/* ── Layout ── */
.article-main { background: var(--off-white); padding: 60px 0 80px; }

.article-container {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  align-items: start;
}
@media (max-width: 900px) {
  .article-container { grid-template-columns: 1fr; }
  .article-toc { display: none; }
}

/* ── Sticky TOC Sidebar ── */
.article-toc { position: sticky; top: 90px; }
.toc-box {
  background: #fff;
  border-radius: var(--radius);
  padding: 22px 20px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.toc-box h4 {
  font-size: .82rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: .1em;
  color: var(--blue); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.toc-list { counter-reset: toc; }
.toc-list li {
  counter-increment: toc;
  border-bottom: 1px solid var(--gray-100);
}
.toc-list li:last-child { border-bottom: none; }
.toc-list a {
  display: block; padding: 8px 0 8px 4px;
  font-size: .78rem; color: var(--gray-600);
  transition: var(--trans); line-height: 1.4;
}
.toc-list a:hover { color: var(--teal-dark); padding-left: 10px; }

.toc-cta {
  background: #fff; border-radius: var(--radius);
  padding: 20px; box-shadow: var(--shadow-sm);
  text-align: center;
}
.toc-cta p { font-size: .82rem; color: var(--gray-600); margin-bottom: 12px; font-weight: 600; }
.toc-cta .btn-primary,
.toc-cta .btn-whatsapp {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; width: 100%; margin-bottom: 10px;
  padding: 11px 16px; border-radius: 8px;
  font-size: .82rem; font-weight: 600;
}
.toc-cta .btn-primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff;
}
.toc-cta .btn-whatsapp {
  background: #25d366; color: #fff;
}

/* ── Article Content ── */
.article-content {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  box-shadow: var(--shadow-sm);
}
@media (max-width: 700px) { .article-content { padding: 28px 20px; } }

.article-section { margin-bottom: 8px; }
.article-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem; color: var(--blue);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 12px;
}
.article-section h2 i { color: var(--teal); font-size: 1.2rem; }
.article-section > p {
  font-size: .92rem; color: var(--gray-600);
  line-height: 1.8; margin-bottom: 20px;
}

.article-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--gray-200), transparent);
  margin: 44px 0;
}

/* Step badge */
.step-badge {
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--blue);
  color: #fff; font-size: .72rem; font-weight: 800;
  letter-spacing: .12em; text-transform: uppercase;
  padding: 5px 16px; border-radius: 100px;
  margin-bottom: 12px;
}
.step-badge.teal { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); }

/* Step content grid */
.step-content-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px; align-items: start;
  margin-top: 20px;
}
.step-content-grid.reverse { direction: rtl; }
.step-content-grid.reverse > * { direction: ltr; }
@media (max-width: 700px) {
  .step-content-grid,
  .step-content-grid.reverse { grid-template-columns: 1fr; direction: ltr; }
}

/* Step image figure */
.step-image figure { margin: 0; }
.step-image img {
  width: 100%; border-radius: var(--radius);
  object-fit: cover; max-height: 280px;
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.step-image figcaption {
  font-size: .75rem; color: var(--gray-400);
  margin-top: 8px; line-height: 1.5; text-align: center;
  font-style: italic;
}

/* Info grid */
.info-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin: 24px 0;
}
@media (max-width: 600px) { .info-grid { grid-template-columns: 1fr; } }
.info-box {
  padding: 20px 22px;
  border-radius: var(--radius);
  border-left: 4px solid;
}
.info-box.blue { background: #F5EDE4; border-color: var(--blue); }
.info-box.teal { background: #FEF0E6; border-color: var(--teal); }
.info-box h5 {
  font-size: .82rem; font-weight: 700; margin-bottom: 10px;
  display: flex; align-items: center; gap: 8px;
  text-transform: uppercase; letter-spacing: .06em;
}
.info-box.blue h5 { color: var(--blue); }
.info-box.teal h5 { color: var(--teal-dark); }
.info-box ul { list-style: disc; padding-left: 18px; }
.info-box li { font-size: .82rem; color: var(--gray-600); line-height: 1.7; }

/* Image comparison panel */
.image-comparison {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 20px; margin: 24px 0;
}
@media (max-width: 600px) { .image-comparison { grid-template-columns: 1fr; } }
.img-panel figure { margin: 0; }
.img-panel img {
  width: 100%; border-radius: var(--radius);
  object-fit: cover; max-height: 260px;
  border: 2px solid var(--gray-200);
  box-shadow: var(--shadow-sm);
}
.img-panel figcaption {
  font-size: .75rem; color: var(--gray-600);
  margin-top: 8px; line-height: 1.5; text-align: center;
  display: flex; flex-direction: column; align-items: center; gap: 5px;
}
.fig-label {
  display: inline-block;
  font-size: .68rem; font-weight: 700;
  letter-spacing: .1em; text-transform: uppercase;
  padding: 2px 10px; border-radius: 100px;
}
.fig-label.normal { background: #d1fae5; color: #065f46; }
.fig-label.pathology { background: #fee2e2; color: #991b1b; }
.fig-label.teal { background: #ccfbf1; color: #115e59; }

/* Check list */
.check-list { list-style: none; padding: 0; margin: 10px 0 0; }
.check-list li {
  font-size: .85rem; color: var(--gray-600);
  padding: 6px 0 6px 24px; position: relative; line-height: 1.6;
  border-bottom: 1px solid var(--gray-100);
}
.check-list li:last-child { border-bottom: none; }
.check-list li::before {
  content: '\f058';
  font-family: 'Font Awesome 6 Free'; font-weight: 900;
  position: absolute; left: 0; top: 8px;
  color: var(--teal); font-size: .75rem;
}
.check-list li strong { color: var(--gray-800); }

/* Technique cards */
.technique-card {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius); margin-bottom: 12px;
  background: var(--gray-100);
  transition: var(--trans);
}
.technique-card:hover { box-shadow: var(--shadow-sm); border-color: var(--teal); }
.technique-icon {
  width: 38px; height: 38px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: .9rem;
}
.technique-icon.teal { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); }
.technique-card h5 { font-size: .85rem; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.technique-card p { font-size: .8rem; color: var(--gray-600); line-height: 1.6; margin: 0; }

/* OT detail box */
.ot-detail-box {
  display: flex; gap: 10px; align-items: flex-start;
  background: #eef3ff; border-radius: var(--radius);
  padding: 12px 14px; margin-top: 16px;
  font-size: .8rem; color: var(--blue); line-height: 1.6;
}
.ot-detail-box i { color: var(--blue); margin-top: 2px; flex-shrink: 0; }

/* Incision steps */
.incision-steps { margin-top: 8px; }
.inc-step {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 12px 0; border-bottom: 1px solid var(--gray-100);
}
.inc-step:last-child { border-bottom: none; }
.inc-num {
  width: 28px; height: 28px; flex-shrink: 0;
  background: var(--blue); color: #fff;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: .75rem; font-weight: 800;
}
.inc-step strong { display: block; font-size: .85rem; color: var(--gray-800); margin-bottom: 3px; }
.inc-step p { font-size: .8rem; color: var(--gray-600); line-height: 1.6; margin: 0; }

/* Stability test cards */
.stability-tests {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px; margin-top: 20px;
}
@media (max-width: 600px) { .stability-tests { grid-template-columns: 1fr; } }
.test-card {
  background: var(--gray-100); border-radius: var(--radius);
  padding: 20px; border: 1px solid var(--gray-200);
  transition: var(--trans);
}
.test-card:hover { box-shadow: var(--shadow-sm); border-color: var(--blue); }
.test-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--blue), var(--blue-light));
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1rem; margin-bottom: 12px;
}
.test-icon.teal { background: linear-gradient(135deg, var(--teal), var(--teal-dark)); }
.test-card h5 { font-size: .85rem; font-weight: 700; color: var(--blue); margin-bottom: 6px; }
.test-card p { font-size: .8rem; color: var(--gray-600); line-height: 1.65; margin: 0; }

/* Closure layers */
.closure-layers { margin-top: 8px; }
.layer-row {
  display: flex; gap: 14px; align-items: flex-start;
  padding: 12px 0; border-bottom: 1px solid var(--gray-100);
}
.layer-row:last-child { border-bottom: none; }
.layer-num {
  width: 28px; height: 28px; flex-shrink: 0;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 800;
}
.layer-row strong { display: block; font-size: .85rem; color: var(--gray-800); margin-bottom: 3px; }
.layer-row p { font-size: .8rem; color: var(--gray-600); line-height: 1.6; margin: 0; }

/* Rehab timeline */
.rehab-timeline {
  display: grid; grid-template-columns: repeat(2, 1fr);
  gap: 16px; margin: 24px 0;
}
@media (max-width: 600px) { .rehab-timeline { grid-template-columns: 1fr; } }
.rehab-phase {
  background: var(--gray-100); border-radius: var(--radius);
  padding: 18px 20px; border: 1px solid var(--gray-200);
}
.phase-header {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.phase-badge {
  font-size: .7rem; font-weight: 800; text-transform: uppercase;
  letter-spacing: .1em; padding: 3px 10px; border-radius: 100px;
}
.phase-badge.hospital { background: #dbeafe; color: #1e40af; }
.phase-badge.phase1   { background: #fef3c7; color: #92400e; }
.phase-badge.phase2   { background: #d1fae5; color: #065f46; }
.phase-badge.phase3   { background: #ede9fe; color: #5b21b6; }
.phase-time { font-size: .78rem; color: var(--gray-400); font-weight: 600; }
.rehab-phase .check-list li { font-size: .8rem; }

/* Clinical note */
.clinical-note {
  display: flex; gap: 14px; align-items: flex-start;
  background: #fff8e6; border: 1px solid #fcd34d;
  border-left: 4px solid #f59e0b;
  border-radius: var(--radius); padding: 16px 18px;
  margin: 20px 0; font-size: .85rem; color: var(--gray-600); line-height: 1.7;
}
.clinical-note i { color: #f59e0b; font-size: 1.1rem; margin-top: 2px; flex-shrink: 0; }
.clinical-note.success {
  background: #f0fdf4; border-color: #86efac;
  border-left-color: #22c55e;
}
.clinical-note.success i { color: #22c55e; }
.clinical-note strong { color: var(--gray-800); }

/* X-ray mini */
.xray-mini {
  display: flex; align-items: center; gap: 12px;
  margin-top: 16px; background: #1a1a1a;
  border-radius: var(--radius); padding: 10px 12px;
}
.xray-mini img { width: 80px; height: 80px; object-fit: cover; border-radius: 6px; }
.xray-mini span { font-size: .78rem; color: rgba(255,255,255,.7); line-height: 1.5; }

/* Implant compare */
.implant-compare {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 12px; margin-top: 16px;
}
.implant-type {
  background: var(--gray-100); border: 1px solid var(--gray-200);
  border-radius: var(--radius); padding: 10px;
  text-align: center;
}
.implant-type img {
  width: 100%; max-height: 130px;
  object-fit: contain; margin-bottom: 8px;
}
.implant-type span { font-size: .75rem; color: var(--gray-600); font-weight: 600; }

/* X-ray gallery */
.xray-gallery {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 24px; margin: 24px 0;
}
@media (max-width: 600px) { .xray-gallery { grid-template-columns: 1fr; } }
.xray-card {
  background: #1a1a1a; border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-md);
}
.xray-card figure { margin: 0; }
.xray-card img {
  width: 100%; max-height: 320px;
  object-fit: cover; display: block;
}
.xray-card figcaption {
  padding: 14px 16px;
  font-size: .78rem; color: rgba(255,255,255,.7);
  line-height: 1.6;
}
.xray-card figcaption strong { color: #fff; display: block; margin-bottom: 4px; }
.xray-card .fig-label { margin-bottom: 6px; display: inline-block; }

/* Outcomes table */
.outcomes-table-wrap {
  margin: 28px 0;
  overflow-x: auto;
}
.outcomes-table-wrap h4 {
  font-size: .88rem; font-weight: 700; color: var(--blue);
  margin-bottom: 12px; display: flex; align-items: center; gap: 8px;
}
.outcomes-table {
  width: 100%; border-collapse: collapse;
  font-size: .82rem;
}
.outcomes-table th {
  background: var(--blue); color: #fff;
  padding: 10px 14px; text-align: left; font-weight: 600;
}
.outcomes-table td { padding: 10px 14px; border-bottom: 1px solid var(--gray-200); }
.outcomes-table tr:last-child td { border-bottom: none; }
.outcomes-table tr:nth-child(even) td { background: var(--gray-100); }
.outcomes-table td.good { color: #065f46; font-weight: 700; background: #d1fae5 !important; }
.outcomes-table td.mid  { color: #92400e; font-weight: 600; background: #fef3c7 !important; }
.outcomes-table td.bad  { color: #991b1b; font-weight: 600; background: #fee2e2 !important; }

/* Author bio */
.author-bio-box {
  display: flex; gap: 22px; align-items: flex-start;
  background: linear-gradient(135deg, #eef3ff, #e6faf8);
  border-radius: var(--radius-lg); padding: 28px 30px;
  margin: 40px 0 20px;
}
@media (max-width: 600px) { .author-bio-box { flex-direction: column; } }
.author-bio-box img {
  width: 90px; height: 90px; border-radius: 50%;
  object-fit: cover; flex-shrink: 0;
  border: 3px solid var(--teal);
  box-shadow: var(--shadow-sm);
}
.author-bio-box h4 { font-size: 1.05rem; font-weight: 700; color: var(--blue); margin-bottom: 4px; }
.author-title { font-size: .78rem; color: var(--teal-dark); margin-bottom: 10px; display: block; }
.author-bio-box p { font-size: .85rem; color: var(--gray-600); line-height: 1.7; }

/* Image credits */
.image-credits {
  font-size: .75rem; color: var(--gray-400);
  border-top: 1px solid var(--gray-200);
  padding-top: 16px; margin-top: 8px;
  display: flex; gap: 8px; align-items: flex-start; line-height: 1.6;
}
.image-credits a { color: var(--teal-dark); text-decoration: underline; }

/* Back to blog bar */
.back-to-blog {
  background: var(--gray-100);
  border-top: 1px solid var(--gray-200);
  padding: 24px 0;
}
.back-to-blog .container {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: center;
}
.back-to-blog .btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 8px;
  border: 2px solid var(--blue); color: var(--blue);
  font-size: .85rem; font-weight: 600;
  transition: var(--trans);
}
.back-to-blog .btn-outline:hover { background: var(--blue); color: #fff; }
.back-to-blog .btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 11px 22px; border-radius: 8px;
  background: linear-gradient(135deg, var(--teal), var(--teal-dark));
  color: #fff; font-size: .85rem; font-weight: 600;
}