/* ===== PAGE HERO ===== */
.page-hero {
  margin-top: 72px; position: relative; overflow: hidden;
  padding: 72px 0 56px;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-mid) 100%);
}
.page-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='0.03'%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");
}
.page-hero-content { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px; margin-bottom: 16px;
  font-family: var(--font-heading); font-size: 0.8rem;
}
.breadcrumb a { color: rgba(255,255,255,0.6); transition: color 0.3s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }
.breadcrumb-current { color: var(--gold); font-weight: 500; }
.page-hero-title {
  font-size: 2.8rem; font-weight: 700; color: var(--white);
  margin-bottom: 12px; line-height: 1.1;
}
.page-hero-desc {
  font-size: 1.05rem; color: rgba(255,255,255,0.7);
  max-width: 560px; line-height: 1.7;
}

/* ===== PRODUCT OVERVIEW ===== */
.product-overview { padding: 80px 0; background: var(--white); }
.overview-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center;
}
.overview-image {
  background: var(--grey-100); border-radius: var(--radius-lg); padding: 48px;
  display: flex; align-items: center; justify-content: center;
}
.overview-image img { width: 85%; height: auto; object-fit: contain; }
.overview-content .section-tag { margin-bottom: 16px; }
.overview-content h2 { font-size: 2rem; margin-bottom: 16px; }
.overview-content p { color: var(--grey-600); margin-bottom: 20px; font-size: 1rem; line-height: 1.8; }
.overview-features { display: flex; flex-direction: column; gap: 12px; margin-top: 24px; }
.overview-feature {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-heading); font-size: 0.9rem; font-weight: 500;
  color: var(--grey-800);
}

/* ===== SUB-TYPES ===== */
.subtypes-section { padding: 80px 0; background: var(--bg); }
.subtypes-list { display: flex; flex-direction: column; gap: 24px; }
.subtype-card {
  display: grid; grid-template-columns: 240px 1fr; gap: 0;
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all var(--transition);
}
.subtype-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.subtype-thumb {
  display: flex; align-items: center; justify-content: center;
  position: relative; min-height: 200px;
}
.subtype-badge {
  position: absolute; top: 16px; left: 16px;
  background: rgba(0,0,0,0.25); backdrop-filter: blur(8px);
  color: var(--white); font-family: var(--font-heading);
  font-size: 0.7rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.08em; padding: 5px 12px; border-radius: 50px;
}
.subtype-body { padding: 28px 32px; }
.subtype-title {
  font-family: var(--font-heading); font-size: 1.2rem; font-weight: 600;
  color: var(--grey-900); margin-bottom: 10px;
}
.subtype-desc {
  font-size: 0.92rem; color: var(--grey-600); line-height: 1.7; margin-bottom: 16px;
}
.subtype-features {
  display: grid; grid-template-columns: 1fr 1fr; gap: 6px 24px;
  margin-bottom: 20px; padding: 0;
}
.subtype-features li {
  font-size: 0.85rem; color: var(--grey-700); line-height: 1.5;
  padding-left: 16px; position: relative;
}
.subtype-features li::before {
  content: ''; position: absolute; left: 0; top: 8px;
  width: 6px; height: 6px; border-radius: 50%; background: var(--gold);
}

/* ===== SPECS TABLE ===== */
.specs-section { padding: 80px 0; background: var(--white); }
.specs-table-wrap {
  overflow-x: auto; border-radius: var(--radius);
  box-shadow: var(--shadow-sm); border: 1px solid var(--grey-200);
}
.specs-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9rem;
}
.specs-table thead { background: var(--blue); }
.specs-table th {
  font-family: var(--font-heading); font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--white); padding: 14px 20px; text-align: left;
  white-space: nowrap;
}
.specs-table td {
  padding: 14px 20px; color: var(--grey-700); border-bottom: 1px solid var(--grey-100);
}
.specs-table tbody tr:hover { background: var(--blue-light); }
.specs-table td strong { color: var(--grey-900); font-weight: 600; }

/* ===== RELATED CATEGORIES ===== */
.related-section { padding: 80px 0; background: var(--bg); }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--white); border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--shadow-sm); transition: all var(--transition);
  display: block;
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.related-card-img {
  aspect-ratio: 16/10; overflow: hidden; background: var(--grey-100);
  display: flex; align-items: center; justify-content: center; padding: 24px;
}
.related-card-img img {
  width: 70%; height: auto; object-fit: contain;
  transition: transform 0.5s ease;
}
.related-card:hover .related-card-img img { transform: scale(1.06); }
.related-card-body { padding: 20px 24px; }
.related-card-body h3 {
  font-family: var(--font-heading); font-size: 1rem; font-weight: 600;
  color: var(--grey-900); margin-bottom: 8px;
}
.related-card-body .category-card-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-heading); font-size: 0.82rem; font-weight: 600;
  color: var(--blue); transition: all var(--transition);
}
.related-card:hover .category-card-link { color: var(--blue-dark); }
.related-card:hover .category-card-link svg { transform: translateX(4px); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .overview-grid { grid-template-columns: 1fr; gap: 40px; }
  .subtype-card { grid-template-columns: 180px 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .related-grid .related-card:last-child { display: none; }
}
@media (max-width: 768px) {
  .page-hero { margin-top: 64px; padding: 48px 0 40px; }
  .page-hero-title { font-size: 2rem; }
  .product-overview { padding: 56px 0; }
  .overview-image { padding: 32px; }
  .subtypes-section { padding: 56px 0; }
  .subtype-card { grid-template-columns: 1fr; }
  .subtype-thumb { min-height: 120px; }
  .subtype-features { grid-template-columns: 1fr; }
  .specs-section { padding: 56px 0; }
  .related-section { padding: 56px 0; }
  .related-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .related-grid .related-card:last-child { display: block; }
}
@media (max-width: 480px) {
  .page-hero-title { font-size: 1.6rem; }
  .overview-content h2 { font-size: 1.5rem; }
}