/* ============================================================
   PRODUCT DETAIL PAGE — 12 Modules Unified Template
   Style: TI/ST Semiconductor Official Style
   Color: Deep Space Grey + Tech Blue + Orange Accent
   ============================================================ */

/* ===== CSS Variables (Scoped) ===== */
:root {
  --pd-bg:           #0B1A2A;
  --pd-bg-2:         #11263C;
  --pd-bg-card:      #162F4A;
  --pd-bg-light:     #F5F7FA;
  --pd-white:        #ffffff;
  --pd-text:         #A8B3C7;
  --pd-text-dim:     #6B7280;
  --pd-heading:      #FFFFFF;
  --pd-text-dark:    #374151;
  --pd-heading-dark: #111827;
  --pd-accent:       #FF6A00;
  --pd-accent-h:     #FF8533;
  --pd-cyan:         #00E5FF;
  --pd-green:        #00C864;
  --pd-yellow:       #FFAA00;
  --pd-red:          #FF5050;
  --pd-border:       #1E3A5F;
  --pd-border-l:     #E5E7EB;
  --pd-radius-sm:    6px;
  --pd-radius-md:    10px;
  --pd-radius-lg:    16px;
  --pd-font:         'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  --pd-transition:   all 0.25s ease;
}

/* ===== Module 1: Page Header / Hero Title ===== */
.pd-hero {
  background: linear-gradient(135deg, var(--pd-bg) 0%, var(--pd-bg-2) 100%);
  padding: 48px 0 40px;
  border-bottom: 1px solid var(--pd-border);
}
.pd-hero-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-breadcrumb {
  font-size: 13px;
  color: var(--pd-text-dim);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.pd-breadcrumb a {
  color: var(--pd-text-dim);
  transition: var(--pd-transition);
}
.pd-breadcrumb a:hover { color: var(--pd-accent); }
.pd-breadcrumb .sep { color: var(--pd-text-dim); opacity: 0.5; }
.pd-breadcrumb .current { color: var(--pd-text); font-weight: 600; }

.pd-hero-title {
  font-size: 32px;
  font-weight: 800;
  color: var(--pd-heading);
  line-height: 1.2;
  margin-bottom: 6px;
  letter-spacing: -0.5px;
}
.pd-hero-title .pd-part-number {
  color: var(--pd-accent);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-weight: 800;
}
.pd-hero-subtitle {
  font-size: 14px;
  color: var(--pd-text-dim);
  margin-bottom: 16px;
  max-width: 680px;
  line-height: 1.6;
}
.pd-hero-badges {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.pd-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.pd-badge--stock {
  background: rgba(0,200,100,0.12);
  color: var(--pd-green);
  border: 1px solid rgba(0,200,100,0.30);
}
.pd-badge--hot {
  background: rgba(255,170,0,0.12);
  color: var(--pd-yellow);
  border: 1px solid rgba(255,170,0,0.30);
}
.pd-badge--rohs {
  background: rgba(0,229,255,0.10);
  color: var(--pd-cyan);
  border: 1px solid rgba(0,229,255,0.25);
}
.pd-badge--aec {
  background: rgba(255,106,0,0.10);
  color: var(--pd-accent);
  border: 1px solid rgba(255,106,0,0.25);
}
.pd-badge--package {
  background: rgba(255,106,0,0.08);
  color: var(--pd-accent);
  border: 1px solid rgba(255,106,0,0.20);
}

/* ===== Module 2 + 3: Info Grid (Left: Gallery, Right: Info Card) ===== */
.pd-info-section {
  background: var(--pd-bg);
  padding: 48px 0 0;
}
.pd-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px 48px;
  border-bottom: 1px solid var(--pd-border);
}

/* -- Module 3: Product Gallery -- */
.pd-gallery {
  position: relative;
}
.pd-gallery-main {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  padding: 24px;
  text-align: center;
  margin-bottom: 14px;
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: zoom-in;
  transition: var(--pd-transition);
}
.pd-gallery-main:hover {
  border-color: var(--pd-accent);
  box-shadow: 0 0 20px rgba(255,106,0,0.15);
}
.pd-gallery-main img {
  max-width: 100%;
  max-height: 280px;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.pd-gallery-main:hover img {
  transform: scale(1.05);
}
.pd-gallery-thumbs {
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.pd-gallery-thumb {
  width: 72px;
  height: 72px;
  border: 2px solid var(--pd-border);
  border-radius: var(--pd-radius-sm);
  background: var(--pd-bg-card);
  padding: 6px;
  cursor: pointer;
  transition: var(--pd-transition);
  display: flex;
  align-items: center;
  justify-content: center;
}
.pd-gallery-thumb:hover,
.pd-gallery-thumb.active {
  border-color: var(--pd-accent);
  box-shadow: 0 0 10px rgba(255,106,0,0.20);
}
.pd-gallery-thumb img {
  max-width: 100%;
  max-height: 56px;
  object-fit: contain;
}

/* -- Module 2: Product Info Card -- */
.pd-info-card {
  /* no extra wrapper needed */
}
.pd-info-brand {
  font-size: 13px;
  font-weight: 700;
  color: var(--pd-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 6px;
}
.pd-info-part {
  font-size: 28px;
  font-weight: 800;
  color: var(--pd-heading);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  margin-bottom: 16px;
  word-break: break-all;
}
.pd-info-divider {
  height: 1px;
  background: var(--pd-border);
  margin: 18px 0;
}
.pd-info-grid-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}
.pd-info-field {
  padding: 10px 0;
  border-bottom: 1px solid rgba(30,58,95,0.5);
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.pd-info-field:nth-child(odd) { padding-right: 16px; }
.pd-info-field:nth-child(even) { padding-left: 16px; border-left: 1px solid rgba(30,58,95,0.5); }
.pd-info-label {
  font-size: 11px;
  font-weight: 600;
  color: var(--pd-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.pd-info-value {
  font-size: 14px;
  font-weight: 700;
  color: var(--pd-text);
}
.pd-info-value--accent {
  color: var(--pd-accent);
}
.pd-info-value--green {
  color: var(--pd-green);
}
.pd-info-value--muted {
  color: var(--pd-text-dim);
}

/* Status badges inside info card */
.pd-info-status {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 700;
}
.pd-info-status--in-stock {
  background: rgba(0,200,100,0.12);
  color: var(--pd-green);
}
.pd-info-status--discontinued {
  background: rgba(255,80,80,0.12);
  color: var(--pd-red);
}

/* Cert icons row */
.pd-cert-row {
  display: flex;
  gap: 8px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.pd-cert-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--pd-radius-sm);
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  font-size: 9px;
  font-weight: 800;
  color: var(--pd-accent);
  letter-spacing: 0.5px;
  transition: var(--pd-transition);
}
.pd-cert-icon:hover {
  border-color: var(--pd-accent);
  box-shadow: 0 0 10px rgba(255,106,0,0.20);
}

/* Quick action buttons */
.pd-info-actions {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}
.pd-btn-primary {
  flex: 1;
  padding: 14px 24px;
  font-size: 15px;
  font-weight: 800;
  border: none;
  border-radius: var(--pd-radius-md);
  background: linear-gradient(135deg, var(--pd-accent), var(--pd-accent-h));
  color: var(--pd-white);
  cursor: pointer;
  text-align: center;
  transition: var(--pd-transition);
  box-shadow: 0 4px 16px rgba(255,106,0,0.30);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.pd-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,106,0,0.45);
}
.pd-btn-outline {
  flex: 1;
  padding: 14px 24px;
  font-size: 14px;
  font-weight: 700;
  border: 1.5px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  background: transparent;
  color: var(--pd-text);
  cursor: pointer;
  text-align: center;
  transition: var(--pd-transition);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.pd-btn-outline:hover {
  border-color: var(--pd-accent);
  color: var(--pd-accent);
}

/* ===== Module 4: Key Parameters (Dark Highlight) ===== */
.pd-key-params {
  background: linear-gradient(135deg, #0D1F33 0%, #11263C 100%);
  padding: 48px 0;
  border-top: 3px solid var(--pd-accent);
  border-bottom: 1px solid var(--pd-border);
}
.pd-key-params-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-key-params-header {
  font-size: 14px;
  font-weight: 800;
  color: var(--pd-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 8px;
}
.pd-key-params-title {
  font-size: 24px;
  font-weight: 800;
  color: var(--pd-heading);
  margin-bottom: 32px;
}
.pd-key-params-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: rgba(30,58,95,0.5);
  border-radius: var(--pd-radius-md);
  overflow: hidden;
  border: 1px solid var(--pd-border);
}
.pd-key-param-item {
  background: rgba(13,31,51,0.95);
  padding: 20px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--pd-transition);
}
.pd-key-param-item:hover {
  background: rgba(255,106,0,0.05);
}
.pd-key-param-label {
  font-size: 13px;
  color: var(--pd-text-dim);
  font-weight: 500;
}
.pd-key-param-value {
  font-size: 15px;
  font-weight: 700;
  color: var(--pd-heading);
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ===== Module 5: Full Specifications Table ===== */
.pd-specs-section {
  background: var(--pd-bg);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-specs-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-section-header {
  margin-bottom: 32px;
}
.pd-section-header-label {
  font-size: 12px;
  font-weight: 800;
  color: var(--pd-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 6px;
}
.pd-section-header-title {
  font-size: 22px;
  font-weight: 800;
  color: var(--pd-heading);
}
.pd-specs-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--pd-border);
}
.pd-specs-tab {
  padding: 10px 20px;
  font-size: 13px;
  font-weight: 700;
  color: var(--pd-text-dim);
  cursor: pointer;
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: var(--pd-transition);
}
.pd-specs-tab:hover {
  color: var(--pd-text);
}
.pd-specs-tab.active {
  color: var(--pd-accent);
  border-bottom-color: var(--pd-accent);
}
.pd-specs-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.pd-specs-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  min-width: 600px;
}
.pd-specs-table thead th {
  background: var(--pd-bg-2);
  color: var(--pd-accent);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 12px 16px;
  text-align: left;
  border-bottom: 2px solid var(--pd-border);
  white-space: nowrap;
}
.pd-specs-table tbody td {
  padding: 10px 16px;
  color: var(--pd-text);
  border-bottom: 1px solid rgba(30,58,95,0.4);
  vertical-align: top;
}
.pd-specs-table tbody tr:hover {
  background: rgba(255,106,0,0.04);
}
.pd-specs-table tbody tr:last-child td {
  border-bottom: none;
}
.pd-specs-table .param-name {
  font-weight: 600;
  color: var(--pd-text-dim);
  white-space: nowrap;
}
.pd-specs-table .param-value {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 12.5px;
}

/* ===== Module 6: Product Description ===== */
.pd-description-section {
  background: var(--pd-bg);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-description-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 48px;
}
.pd-description-content h2 {
  font-size: 22px;
  font-weight: 800;
  color: var(--pd-heading);
  margin-bottom: 20px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--pd-accent);
}
.pd-description-content h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--pd-heading);
  margin: 24px 0 10px;
}
.pd-description-content p {
  font-size: 14px;
  color: var(--pd-text);
  line-height: 1.85;
  margin-bottom: 14px;
}
.pd-description-content ul {
  list-style: none;
  margin: 0 0 16px;
}
.pd-description-content ul li {
  font-size: 14px;
  color: var(--pd-text);
  line-height: 1.8;
  padding: 5px 0 5px 20px;
  position: relative;
}
.pd-description-content ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 12px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--pd-accent);
}

/* Sidebar (reused in multiple modules) */
.pd-sidebar {
  /* sidebar styles */
}
.pd-sidebar-box {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  padding: 24px;
  margin-bottom: 20px;
  transition: var(--pd-transition);
}
.pd-sidebar-box:hover {
  border-color: rgba(255,106,0,0.3);
}
.pd-sidebar-box h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--pd-heading);
  margin-bottom: 12px;
}
.pd-sidebar-box p {
  font-size: 13px;
  color: var(--pd-text-dim);
  line-height: 1.6;
  margin-bottom: 14px;
}
.pd-sidebar-btn {
  display: block;
  width: 100%;
  padding: 11px 16px;
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--pd-radius-sm);
  text-align: center;
  text-decoration: none;
  transition: var(--pd-transition);
  cursor: pointer;
}
.pd-sidebar-btn--primary {
  background: linear-gradient(135deg, var(--pd-accent), var(--pd-accent-h));
  color: var(--pd-white);
  border: none;
}
.pd-sidebar-btn--primary:hover {
  box-shadow: 0 4px 16px rgba(255,106,0,0.35);
  transform: translateY(-1px);
}
.pd-sidebar-btn--outline {
  background: transparent;
  color: var(--pd-text);
  border: 1.5px solid var(--pd-border);
}
.pd-sidebar-btn--outline:hover {
  border-color: var(--pd-accent);
  color: var(--pd-accent);
}

/* Stock info in sidebar */
.pd-sidebar-stock-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid rgba(30,58,95,0.4);
  font-size: 13px;
}
.pd-sidebar-stock-item:last-child {
  border-bottom: none;
}
.pd-sidebar-stock-label {
  color: var(--pd-text-dim);
}
.pd-sidebar-stock-value {
  font-weight: 700;
  color: var(--pd-text);
}
.pd-sidebar-stock-value--green {
  color: var(--pd-green);
}

/* ===== Module 7: Applications ===== */
.pd-apps-section {
  background: var(--pd-bg-2);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-apps-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-apps-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}
.pd-app-card {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  padding: 24px 16px;
  text-align: center;
  transition: var(--pd-transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
}
.pd-app-card:hover {
  transform: translateY(-4px);
  border-color: var(--pd-accent);
  box-shadow: 0 8px 24px rgba(255,106,0,0.15);
}
.pd-app-card-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(255,106,0,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 12px;
  transition: var(--pd-transition);
}
.pd-app-card:hover .pd-app-card-icon {
  background: rgba(255,106,0,0.18);
}
.pd-app-card-icon svg {
  width: 24px;
  height: 24px;
}
.pd-app-card-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--pd-heading);
  margin-bottom: 4px;
}
.pd-app-card-desc {
  font-size: 11px;
  color: var(--pd-text-dim);
  line-height: 1.5;
}

/* ===== Module 8: Related Products ===== */
.pd-related-section {
  background: var(--pd-bg);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-related-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.pd-related-card {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  padding: 20px;
  transition: var(--pd-transition);
  cursor: pointer;
  text-decoration: none;
  display: block;
  position: relative;
  overflow: hidden;
}
.pd-related-card:hover {
  border-color: var(--pd-accent);
  box-shadow: 0 8px 24px rgba(255,106,0,0.12);
  transform: translateY(-3px);
}
.pd-related-card-stock {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 700;
  z-index: 2;
}
.pd-related-card-stock--in {
  background: rgba(0,200,100,0.15);
  color: var(--pd-green);
}
.pd-related-card-stock--limited {
  background: rgba(255,170,0,0.15);
  color: var(--pd-yellow);
}
.pd-related-card-img {
  text-align: center;
  padding: 12px 0 16px;
}
.pd-related-card-img img {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
}
.pd-related-card-brand {
  font-size: 11px;
  font-weight: 700;
  color: var(--pd-accent);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 4px;
}
.pd-related-card-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--pd-heading);
  margin-bottom: 6px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 13px;
}
.pd-related-card-package {
  font-size: 12px;
  color: var(--pd-text-dim);
  margin-bottom: 14px;
}
.pd-related-card-btn {
  display: block;
  width: 100%;
  padding: 9px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--pd-radius-sm);
  text-align: center;
  background: transparent;
  border: 1.5px solid var(--pd-border);
  color: var(--pd-text);
  transition: var(--pd-transition);
  cursor: pointer;
}
.pd-related-card:hover .pd-related-card-btn {
  border-color: var(--pd-accent);
  color: var(--pd-accent);
}

/* ===== Module 9: Documents & Resources ===== */
.pd-docs-section {
  background: var(--pd-bg-2);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-docs-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-docs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.pd-doc-card {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: var(--pd-transition);
  text-decoration: none;
  cursor: pointer;
}
.pd-doc-card:hover {
  border-color: var(--pd-accent);
  box-shadow: 0 4px 16px rgba(255,106,0,0.10);
}
.pd-doc-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: rgba(255,106,0,0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.pd-doc-icon svg {
  width: 22px;
  height: 22px;
}
.pd-doc-info {
  flex: 1;
  min-width: 0;
}
.pd-doc-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--pd-heading);
  margin-bottom: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.pd-doc-meta {
  font-size: 12px;
  color: var(--pd-text-dim);
  display: flex;
  gap: 12px;
}
.pd-doc-download {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 14px;
  border-radius: var(--pd-radius-sm);
  background: rgba(255,106,0,0.08);
  color: var(--pd-accent);
  font-size: 12px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--pd-transition);
  flex-shrink: 0;
  text-decoration: none;
}
.pd-doc-download:hover {
  background: rgba(255,106,0,0.18);
}

/* ===== Module 10: Stock & Shipping ===== */
.pd-stock-section {
  background: var(--pd-bg);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-stock-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.pd-stock-block {
  background: var(--pd-bg-card);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  padding: 28px;
  transition: var(--pd-transition);
}
.pd-stock-block:hover {
  border-color: rgba(255,106,0,0.3);
}
.pd-stock-block h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--pd-heading);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.pd-stock-block h3 svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.pd-stock-list {
  list-style: none;
}
.pd-stock-list li {
  font-size: 13px;
  color: var(--pd-text);
  padding: 7px 0;
  border-bottom: 1px solid rgba(30,58,95,0.3);
  display: flex;
  align-items: center;
  gap: 8px;
}
.pd-stock-list li:last-child {
  border-bottom: none;
}
.pd-stock-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--pd-accent);
  flex-shrink: 0;
}
.pd-shipping-logos {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}
.pd-shipping-logo {
  background: var(--pd-bg);
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-sm);
  padding: 6px 12px;
  font-size: 11px;
  font-weight: 700;
  color: var(--pd-text-dim);
  letter-spacing: 0.5px;
}

/* ===== Module 11: Inquiry Form ===== */
.pd-inquiry-section {
  background: linear-gradient(135deg, #0D1F33 0%, #11263C 100%);
  padding: 60px 0;
  border-top: 3px solid var(--pd-accent);
  border-bottom: 1px solid var(--pd-border);
}
.pd-inquiry-inner {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.pd-inquiry-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.pd-inquiry-field.full-width {
  grid-column: 1 / -1;
}
.pd-inquiry-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--pd-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.8px;
}
.pd-inquiry-label .required {
  color: var(--pd-accent);
}
.pd-inquiry-input,
.pd-inquiry-textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-sm);
  background: var(--pd-bg);
  color: var(--pd-text);
  font-size: 14px;
  font-family: var(--pd-font);
  transition: var(--pd-transition);
}
.pd-inquiry-input:focus,
.pd-inquiry-textarea:focus {
  outline: none;
  border-color: var(--pd-accent);
  box-shadow: 0 0 0 3px rgba(255,106,0,0.15);
}
.pd-inquiry-input::placeholder,
.pd-inquiry-textarea::placeholder {
  color: var(--pd-text-dim);
  opacity: 0.6;
}
.pd-inquiry-textarea {
  resize: vertical;
  min-height: 80px;
}
.pd-inquiry-submit {
  grid-column: 1 / -1;
  padding: 14px 32px;
  font-size: 15px;
  font-weight: 800;
  border: none;
  border-radius: var(--pd-radius-md);
  background: linear-gradient(135deg, var(--pd-accent), var(--pd-accent-h));
  color: var(--pd-white);
  cursor: pointer;
  transition: var(--pd-transition);
  box-shadow: 0 4px 16px rgba(255,106,0,0.30);
}
.pd-inquiry-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255,106,0,0.45);
}
.pd-inquiry-submit:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

/* ===== Module 12: FAQ ===== */
.pd-faq-section {
  background: var(--pd-bg);
  padding: 60px 0;
  border-bottom: 1px solid var(--pd-border);
}
.pd-faq-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 40px;
}
.pd-faq-list {
  max-width: 800px;
  margin: 0 auto;
}
.pd-faq-item {
  border: 1px solid var(--pd-border);
  border-radius: var(--pd-radius-md);
  margin-bottom: 10px;
  overflow: hidden;
  transition: var(--pd-transition);
}
.pd-faq-item:hover {
  border-color: rgba(255,106,0,0.3);
}
.pd-faq-question {
  width: 100%;
  padding: 16px 20px;
  background: var(--pd-bg-card);
  border: none;
  color: var(--pd-heading);
  font-size: 14px;
  font-weight: 700;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: var(--pd-transition);
  font-family: var(--pd-font);
}
.pd-faq-question:hover {
  color: var(--pd-accent);
}
.pd-faq-icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}
.pd-faq-item.open .pd-faq-icon {
  transform: rotate(180deg);
}
.pd-faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
  background: var(--pd-bg);
}
.pd-faq-answer-inner {
  padding: 0 20px 16px;
  font-size: 13px;
  color: var(--pd-text);
  line-height: 1.75;
}

/* ===== Floating WhatsApp Button ===== */
.pd-float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  background: #25D366;
  color: #fff;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
  box-shadow: 0 4px 20px rgba(37,211,100,0.40);
  transition: var(--pd-transition);
}
.pd-float-wa:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(37,211,100,0.55);
}
.pd-float-wa svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

/* ===== Lightbox (Image Zoom) ===== */
.pd-lightbox {
  display: none;
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.85);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  cursor: zoom-out;
}
.pd-lightbox.active {
  display: flex;
}
.pd-lightbox img {
  max-width: 80vw;
  max-height: 80vh;
  object-fit: contain;
  border-radius: var(--pd-radius-md);
  box-shadow: 0 0 40px rgba(255,106,0,0.20);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .pd-info-grid          { grid-template-columns: 1fr; gap: 32px; }
  .pd-description-inner  { grid-template-columns: 1fr; gap: 32px; }
  .pd-apps-grid         { grid-template-columns: repeat(3, 1fr); }
  .pd-related-grid      { grid-template-columns: repeat(2, 1fr); }
  .pd-key-params-grid   { grid-template-columns: repeat(2, 1fr); }
  .pd-docs-grid         { grid-template-columns: 1fr; }
  .pd-stock-inner       { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .pd-hero-title        { font-size: 24px; }
  .pd-hero-inner,
  .pd-info-grid,
  .pd-key-params-inner,
  .pd-specs-inner,
  .pd-description-inner,
  .pd-apps-inner,
  .pd-related-inner,
  .pd-docs-inner,
  .pd-stock-inner,
  .pd-inquiry-inner,
  .pd-faq-inner        { padding: 0 20px; }
  .pd-info-grid-fields  { grid-template-columns: 1fr; }
  .pd-info-field:nth-child(even) { padding-left: 0; border-left: none; }
  .pd-apps-grid         { grid-template-columns: repeat(2, 1fr); }
  .pd-related-grid      { grid-template-columns: 1fr; }
  .pd-key-params-grid   { grid-template-columns: 1fr; }
  .pd-inquiry-grid      { grid-template-columns: 1fr; }
  .pd-gallery-main      { min-height: 220px; }
  .pd-float-wa span    { display: none; }
  .pd-float-wa         { padding: 12px; border-radius: 50%; }
}

@media (max-width: 480px) {
  .pd-hero-title        { font-size: 20px; }
  .pd-hero-badges      { gap: 6px; }
  .pd-badge            { font-size: 11px; padding: 4px 10px; }
  .pd-apps-grid         { grid-template-columns: 1fr 1fr; gap: 10px; }
  .pd-gallery-thumbs    { gap: 6px; }
  .pd-gallery-thumb     { width: 56px; height: 56px; }
}