/* ============================================
   Product Page Specific Styles
   ============================================ */

/* Page Hero */
.page-hero {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 40px 40px;
}
.page-hero .container {
  position: relative;
  z-index: 1;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.55);
  margin-bottom: 20px;
}
.breadcrumb a {
  color: rgba(255,255,255,0.55);
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--white);
}
.breadcrumb i {
  font-size: 10px;
}
.page-hero-title {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.2;
  margin-bottom: 18px;
}
.page-hero-title span {
  color: #5ecbf0;
}
.page-hero-desc {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  line-height: 1.85;
  max-width: 680px;
  margin-bottom: 30px;
}
.page-hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Jump Navigation */
.jump-nav {
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 72px;
  z-index: 900;
  box-shadow: var(--shadow-sm);
}
.jump-nav-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 12px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.jump-nav-inner::-webkit-scrollbar { display: none; }
.jump-nav-inner span {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-light);
  white-space: nowrap;
  padding-right: 12px;
  border-right: 1px solid var(--border);
  margin-right: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.jump-nav-inner a {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-mid);
  padding: 6px 14px;
  border-radius: 100px;
  white-space: nowrap;
  transition: var(--transition);
  flex-shrink: 0;
}
.jump-nav-inner a:hover {
  background: var(--accent-light);
  color: var(--accent);
}

/* Product Detail Card */
.product-detail-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
}
.product-detail-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}
.pdc-header {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}
.pdc-icon {
  width: 52px;
  height: 52px;
  background: var(--accent-light);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  flex-shrink: 0;
}
.pdc-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1.3;
  margin-bottom: 4px;
}
.pdc-brand {
  font-size: 13px;
  color: var(--text-light);
  font-style: italic;
}
.pdc-desc {
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.8;
  margin-bottom: 20px;
}
.pdc-specs {
  background: var(--bg-light);
  border-radius: var(--radius-sm);
  padding: 18px;
  margin-bottom: 18px;
}
.pdc-specs h4 {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.pdc-specs h4 i {
  color: var(--accent);
}
.pdc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Spec Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.spec-table tr {
  border-bottom: 1px solid var(--border);
}
.spec-table tr:last-child {
  border-bottom: none;
}
.spec-table td {
  padding: 7px 8px;
  color: var(--text-mid);
  vertical-align: top;
}
.spec-table td:first-child {
  font-weight: 600;
  color: var(--primary);
  width: 45%;
  white-space: nowrap;
}

/* Info Banner */
.info-banner {
  background: linear-gradient(135deg, var(--accent-light), rgba(0,153,216,0.05));
  border: 1.5px solid rgba(0,153,216,0.2);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 14px;
  color: var(--text-mid);
  line-height: 1.7;
}
.info-banner i {
  color: var(--accent);
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 1px;
}

/* Accessories Grid */
.accessories-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.acc-card {
  background: var(--bg-white);
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 20px;
  transition: var(--transition);
}
.acc-card:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
}
.acc-icon {
  font-size: 32px;
  margin-bottom: 12px;
}
.acc-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 8px;
  line-height: 1.3;
}
.acc-card p {
  font-size: 13px;
  color: var(--text-mid);
  line-height: 1.7;
}

/* Responsive adjustments for product page */
@media (max-width: 900px) {
  .page-hero {
    padding: 120px 0 60px;
  }
  .accessories-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 600px) {
  .accessories-grid {
    grid-template-columns: 1fr;
  }
  .pdc-header {
    flex-direction: column;
  }
  .jump-nav { top: 72px; }
}