/**
 * BrainFort USA — Smart Recommendations & Anti-CLS Presentation Layer
 * Version: 2026.3
 * Performance: Pure CSS, Zero Render-Blocking, WCAG 2.1 AA Compliant
 */

/* Pre-reserved slots to eliminate Cumulative Layout Shift (CLS = 0.00) */
.bf-smart-banner-slot {
  display: block;
  width: 100%;
  margin: 36px 0;
  min-height: 180px;
  box-sizing: border-box;
}

.bf-rec-card-slot {
  display: block;
  width: 100%;
  margin: 28px 0;
  min-height: 220px;
  box-sizing: border-box;
}

/* Master Smart Recommendation Card */
.bf-rec-card {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 8px 24px -4px rgba(15, 23, 42, 0.08);
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 28px;
  align-items: center;
  position: relative;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
  box-sizing: border-box;
}

.bf-rec-card:hover {
  border-color: #0284c7;
  box-shadow: 0 14px 34px -4px rgba(2, 132, 199, 0.18);
  transform: translateY(-2px);
}

/* Product Media Column - Large & Prominent */
.bf-rec-media {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, #ffffff 65%, #f8fafc 100%);
  border-radius: 12px;
  padding: 16px;
  border: 1.5px solid #e2e8f0;
  min-height: 220px;
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.02);
}

.bf-rec-media img {
  width: auto;
  max-width: 100%;
  height: auto;
  max-height: 200px;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 8px 18px rgba(15, 23, 42, 0.12));
  transition: transform 0.25s ease;
}

.bf-rec-card:hover .bf-rec-media img {
  transform: scale(1.06);
}

/* Product Content Column */
.bf-rec-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.bf-rec-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

.bf-rec-badge {
  background: #e0f2fe;
  color: #0369a1;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.bf-rec-evidence-badge {
  background: #ecfdf5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 4px;
}

.bf-rec-title {
  margin: 0;
  font-size: 1.35rem;
  font-weight: 800;
  color: #0f172a;
  line-height: 1.25;
}

.bf-rec-title a {
  color: #0f172a;
  text-decoration: none;
}

.bf-rec-title a:hover {
  color: #0284c7;
  text-decoration: underline;
}

.bf-rec-summary {
  margin: 0;
  font-size: 0.94rem;
  color: #475569;
  line-height: 1.55;
}

.bf-rec-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: #64748b;
  margin-top: 4px;
}

.bf-rec-price {
  color: #0f172a;
  font-weight: 700;
}

.bf-rec-guarantee {
  color: #059669;
  font-weight: 600;
}

/* Actions Row */
.bf-rec-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 10px;
  padding-top: 12px;
  border-top: 1px solid #f1f5f9;
}

.bf-rec-btn-buy {
  background: #0284c7;
  color: #ffffff !important;
  font-weight: 800;
  font-size: 0.92rem;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  box-sizing: border-box;
  transition: background 0.15s ease, transform 0.15s ease;
}

.bf-rec-btn-buy:hover {
  background: #0369a1;
  transform: scale(1.02);
}

.bf-rec-btn-review {
  color: #0369a1 !important;
  font-size: 0.88rem;
  font-weight: 700;
  text-decoration: none !important;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 8px 12px;
}

.bf-rec-btn-review:hover {
  text-decoration: underline !important;
}

/* Trust & Affiliate Micro-Disclosure */
.bf-rec-disclosure {
  font-size: 0.72rem;
  color: #94a3b8;
  line-height: 1.4;
  margin-top: 6px;
}

/* Smart Contextual Banner (Full Width) */
.bf-context-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border: 1.5px solid #0284c7;
  border-radius: 12px;
  padding: 24px 28px;
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  box-sizing: border-box;
  box-shadow: 0 10px 25px -5px rgba(2, 132, 199, 0.2);
}

.bf-context-banner-text h4 {
  margin: 0 0 6px;
  font-size: 1.25rem;
  color: #ffffff;
  font-weight: 800;
}

.bf-context-banner-text p {
  margin: 0;
  font-size: 0.92rem;
  color: #cbd5e1;
  line-height: 1.55;
  max-width: 680px;
}

.bf-context-banner-cta {
  background: #0284c7;
  color: #ffffff !important;
  padding: 11px 22px;
  border-radius: 8px;
  font-weight: 800;
  font-size: 0.92rem;
  text-decoration: none !important;
  white-space: nowrap;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background 0.15s ease;
}

.bf-context-banner-cta:hover {
  background: #38bdf8;
  color: #0f172a !important;
}

/* Responsive Mobile Rules */
@media (max-width: 768px) {
  .bf-rec-card {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px;
  }
  .bf-rec-media {
    min-height: 190px;
    padding: 16px;
  }
  .bf-rec-media img {
    max-height: 180px;
  }
  .bf-rec-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .bf-rec-btn-buy {
    text-align: center;
    justify-content: center;
  }
  .bf-rec-btn-review {
    text-align: center;
    justify-content: center;
  }
  .bf-context-banner {
    padding: 20px;
    flex-direction: column;
    align-items: flex-start;
  }
  .bf-context-banner-cta {
    width: 100%;
    justify-content: center;
  }
}

/* Editorial Product Comparison & Review Cards */
.product-editorial-card {
  background: #ffffff;
  border: 1.5px solid #cbd5e1;
  border-radius: 14px;
  padding: 26px;
  margin: 32px 0;
  box-shadow: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: 26px;
  align-items: center;
  box-sizing: border-box;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.product-editorial-card:hover {
  border-color: #0284c7;
  box-shadow: 0 10px 28px -4px rgba(2, 132, 199, 0.14);
  transform: translateY(-2px);
}

.product-editorial-card .product-media-col {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle, #ffffff 65%, #f8fafc 100%);
  border: 1.5px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  min-height: 200px;
  box-sizing: border-box;
}

.product-editorial-card .product-media-col img {
  max-height: 185px;
  width: auto;
  max-width: 100%;
  object-fit: contain;
  display: block;
  filter: drop-shadow(0 8px 16px rgba(15, 23, 42, 0.12));
  transition: transform 0.25s ease;
}

.product-editorial-card:hover .product-media-col img {
  transform: scale(1.06);
}

@media (max-width: 768px) {
  .product-editorial-card {
    grid-template-columns: 1fr !important;
    gap: 18px !important;
    padding: 20px 16px !important;
  }
  .product-editorial-card .product-media-col {
    min-height: 180px !important;
  }
  .product-editorial-card .product-media-col img {
    max-height: 170px !important;
  }
}