.treatments-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
@media (max-width: 900px) { .treatments-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) { .treatments-grid { grid-template-columns: 1fr; max-width: 380px; margin: 0 auto; } }

.treatment-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: block;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.treatment-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card); }
.treatment-card__thumb {
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-accent), var(--color-bg-light));
}
.treatment-card__thumb img { width: 100%; height: 100%; object-fit: cover; }
.treatment-card__thumb .placeholder-label {
  width: 100%; height: 100%; display: flex; align-items: center; justify-content: center;
  color: var(--color-accent-dark); font-size: 13px;
}
.treatment-card__body { padding: 22px; }
.treatment-card__body h3 { font-size: 18px; margin-bottom: 8px; }
.treatment-card__body p { font-size: 14px; margin-bottom: 14px; }
.treatment-card__learn-more { font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--color-accent-dark); font-weight: 500; }

.treatments-cta { text-align: center; margin-top: var(--space-lg); }

/* Single treatment page */
.treatment-hero {
  aspect-ratio: 21/8;
  min-height: 240px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  background: linear-gradient(135deg, var(--color-accent), var(--color-secondary));
}
.treatment-hero img { width: 100%; height: 100%; object-fit: cover; }

.treatment-detail { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-lg); align-items: start; }
@media (max-width: 900px) { .treatment-detail { grid-template-columns: 1fr; } }

.treatment-detail__sidebar {
  background: var(--color-bg-light);
  border-radius: var(--radius-md);
  padding: 28px;
  position: sticky;
  top: calc(var(--header-height) + 24px);
}
.treatment-detail__sidebar h3 { font-size: 16px; margin-bottom: 14px; }
.treatment-detail__sidebar ul { margin-bottom: 20px; }
.treatment-detail__sidebar li { font-size: 14px; padding: 4px 0; color: var(--color-text-muted); }
.treatment-detail__sidebar li:before { content: "✓ "; color: var(--color-accent-dark); }
.treatment-detail__sidebar .btn { width: 100%; justify-content: center; margin-bottom: 12px; }
.treatment-detail__sidebar .btn:last-child { margin-bottom: 0; }

.treatment-faq { margin-top: var(--space-lg); }
.treatment-faq details {
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
}
.treatment-faq summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 16px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.treatment-faq summary::-webkit-details-marker { display: none; }
.treatment-faq summary::after {
  content: "+";
  font-size: 20px;
  color: var(--color-accent-dark);
  transition: transform var(--transition-fast);
}
.treatment-faq details[open] summary::after { transform: rotate(45deg); }
.treatment-faq p { margin-top: 10px; }