/* Product detail page — B2B layout tokens and shared components */
:root {
  --pd-navy: #061a31;
  --pd-gold: #c8953c;
  --pd-gold-dark: #ae7d2b;
  --pd-ink: #132238;
  --pd-body: #56616d;
  --pd-muted: #66778a;
  --pd-line: #e4e8ec;
  --pd-paper: #f7f8fa;
  --pd-band: #f6f8fa;
  --pd-highlight: #eef3f6;
  --pd-header-offset: 110px;
}

.product-detail-page {
  background: #fff;
  color: var(--pd-ink);
}

.product-detail-container {
  width: var(--site-shell);
  margin-inline: auto;
  padding-left: 0;
  padding-right: 0;
}

.product-detail-page .eyebrow {
  margin: 0 0 10px;
  color: var(--pd-gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* Breadcrumb */
.product-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  padding: 18px 0 0;
  color: #8190a2;
  font-size: 13px;
}

.product-breadcrumb a:hover {
  color: var(--pd-navy);
}

/* Hero */
.product-detail-hero {
  display: grid;
  grid-template-columns: 46% 54%;
  gap: 48px;
  align-items: start;
  padding: 32px 0 42px;
}

.product-gallery {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.product-gallery-main {
  display: grid;
  place-items: center;
  height: 410px;
  padding: 18px;
  overflow: hidden;
  background: #f7f8fa;
  border: 1px solid #e9edf1;
  border-radius: 4px;
  cursor: zoom-in;
  position: relative;
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-gallery-thumbs {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  overflow: auto;
}

.product-gallery-thumbs button {
  width: 60px;
  height: 60px;
  padding: 4px;
  flex: 0 0 auto;
  cursor: pointer;
  background: var(--pd-paper);
  border: 1px solid var(--pd-line);
  border-radius: 4px;
}

.product-gallery-thumbs button.is-active,
.product-gallery-thumbs button:hover {
  border-color: var(--pd-gold);
}

.product-gallery-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-hero-copy {
  min-width: 0;
}

.product-hero-title {
  margin: 0 0 14px;
  color: var(--pd-navy);
  font-size: clamp(30px, 2.6vw, 34px);
  font-weight: 650;
  line-height: 1.2;
}

.product-hero-subheading {
  margin: 0 0 12px;
  color: var(--pd-navy);
  font-size: 16px;
  font-weight: 700;
}

.product-lead {
  max-width: 560px;
  margin: 0 0 22px;
  color: var(--pd-body);
  font-size: 15px;
  line-height: 1.7;
}

.product-core-specs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 24px;
  border-top: 1px solid #e8ebef;
}

.product-core-specs > div {
  padding: 12px 14px 12px 0;
  border-bottom: 1px solid #e8ebef;
}

.product-core-specs span,
.product-core-specs strong {
  display: block;
}

.product-core-specs span {
  color: var(--pd-muted);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-core-specs strong {
  margin-top: 3px;
  color: var(--pd-navy);
  font-size: 14px;
  line-height: 1.35;
}

.product-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.product-button-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 24px;
  color: #fff;
  background: var(--pd-gold);
  border: 1px solid var(--pd-gold);
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-button-primary:hover {
  background: var(--pd-gold-dark);
  border-color: var(--pd-gold-dark);
  color: #fff;
}

.product-button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 24px;
  color: var(--pd-navy);
  background: #fff;
  border: 1px solid var(--pd-navy);
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-button-secondary:hover {
  background: var(--pd-navy);
  color: #fff;
}

.product-button-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 24px;
  color: #fff;
  background: transparent;
  border: 1px solid #fff;
  border-radius: 3px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-button-outline:hover {
  background: #fff;
  color: var(--pd-navy);
}

.product-proof {
  margin: 14px 0 0;
  color: var(--pd-muted);
  font-size: 12px;
}

/* Sticky section nav */
.product-section-nav {
  position: sticky;
  top: var(--pd-header-offset);
  z-index: 30;
  height: 56px;
  background: #fff;
  border-top: 1px solid #edf0f2;
  border-bottom: 1px solid #e3e7eb;
}

.product-section-nav-inner {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 56px;
  overflow-x: auto;
  scrollbar-width: none;
}

.product-section-nav-inner::-webkit-scrollbar {
  display: none;
}

.product-section-nav a {
  flex: 0 0 auto;
  padding: 17px 0 15px;
  color: var(--pd-muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  white-space: nowrap;
  border-bottom: 2px solid transparent;
}

.product-section-nav a:hover,
.product-section-nav a.is-active {
  color: var(--pd-gold);
  border-bottom-color: var(--pd-gold);
}

/* Two-column layout */
.product-detail-layout {
  display: grid;
  grid-template-columns: 230px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
  padding-top: 8px;
  padding-bottom: 0;
}

.product-sidebar {
  position: sticky;
  top: calc(var(--pd-header-offset) + 56px);
  align-self: start;
  padding: 32px 0 40px;
}

.product-sidebar-group {
  padding-top: 14px;
  border-top: 1px solid var(--pd-line);
}

.product-sidebar-group nav > a {
  display: block;
  padding: 9px 0;
  color: var(--pd-body);
  font-size: 14px;
  line-height: 1.35;
  border-bottom: 1px solid var(--pd-line);
}

.product-sidebar-group nav > a:hover {
  color: var(--pd-navy);
}

.product-sidebar-group nav > a.is-current {
  position: relative;
  padding-left: 12px;
  color: var(--pd-navy);
  font-weight: 700;
}

.product-sidebar-group nav > a.is-current::before {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 2px;
  background: var(--pd-gold);
  content: "";
}

.product-sidebar-support {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 2px solid var(--pd-gold);
}

.product-sidebar-support h3 {
  margin: 0 0 8px;
  color: var(--pd-navy);
  font-size: 17px;
}

.product-sidebar-support p {
  margin: 0 0 14px;
  color: var(--pd-body);
  font-size: 13px;
  line-height: 1.6;
}

.product-sidebar-support .button {
  width: 100%;
}

/* Main sections */
.product-detail-main {
  min-width: 0;
  max-width: 900px;
}

.product-section {
  padding: 56px 0;
}

.product-section-heading {
  margin-bottom: 22px;
}

.product-section-heading h2 {
  margin: 0;
  color: var(--pd-navy);
  font-size: clamp(25px, 2.2vw, 28px);
  line-height: 1.25;
}

.product-overview-body {
  max-width: 650px;
  color: var(--pd-body);
  font-size: 15px;
  line-height: 1.7;
}

.product-overview-body p {
  margin: 0 0 14px;
}

.product-feature-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 28px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-feature-list li {
  position: relative;
  padding-left: 22px;
  color: var(--pd-ink);
  font-size: 15px;
  line-height: 1.5;
}

.product-feature-list li::before {
  position: absolute;
  left: 0;
  color: var(--pd-gold);
  content: "✓";
  font-weight: 700;
}

.product-configuration-notice {
  margin: 0 0 18px;
  padding: 12px 14px;
  color: var(--pd-body);
  font-size: 13px;
  line-height: 1.6;
  background: #f5f7f9;
  border-left: 3px solid var(--pd-gold);
  border-radius: 0 4px 4px 0;
}

.product-configuration-notice strong {
  color: var(--pd-navy);
}

/* Spec table */
.product-spec-table-wrap {
  overflow-x: auto;
}

.product-spec-table {
  width: 100%;
  border-collapse: collapse;
  border: 1px solid var(--pd-line);
}

.product-spec-table th,
.product-spec-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--pd-line);
  font-size: 14px;
  line-height: 1.4;
  text-align: left;
  vertical-align: top;
}

.product-spec-table thead th {
  background: #f5f7f9;
  color: var(--pd-navy);
  font-weight: 700;
}

.product-spec-table tbody th {
  width: 220px;
  background: #f5f7f9;
  color: var(--pd-muted);
  font-weight: 600;
}

.product-spec-table tbody td {
  color: var(--pd-ink);
}

.product-spec-table tr:last-child th,
.product-spec-table tr:last-child td {
  border-bottom: 0;
}

/* Project fit band */
.product-section-band {
  margin-left: -24px;
  margin-right: -24px;
  padding: 56px 24px;
  background: var(--pd-band);
}

.product-fit-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.product-fit-card {
  padding: 24px;
  background: #f7f8fa;
  border: 1px solid #e7ebef;
  border-radius: 4px;
}

.product-fit-card h3 {
  margin: 0 0 8px;
  color: var(--pd-navy);
  font-size: 16px;
}

.product-fit-card p {
  margin: 0;
  color: var(--pd-body);
  font-size: 14px;
  line-height: 1.6;
}

/* Door compatibility panel */
.product-door-panel {
  display: grid;
  grid-template-columns: 55% 45%;
  gap: 32px;
  align-items: center;
  padding: 32px;
  background: #f5f7f8;
  border-radius: 4px;
}

.product-door-panel-copy h2 {
  margin: 0 0 10px;
  color: var(--pd-navy);
  font-size: clamp(22px, 2vw, 26px);
  line-height: 1.25;
}

.product-door-panel-copy p {
  margin: 0 0 18px;
  color: var(--pd-body);
  font-size: 15px;
  line-height: 1.6;
}

.product-door-checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.product-door-checklist li {
  position: relative;
  padding-left: 22px;
  color: var(--pd-ink);
  font-size: 14px;
  font-weight: 600;
}

.product-door-checklist li::before {
  position: absolute;
  left: 0;
  color: var(--pd-gold);
  content: "✓";
}

/* Application & OEM */
.product-app-oem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.product-app-oem-grid h3 {
  margin: 0 0 14px;
  color: var(--pd-navy);
  font-size: 17px;
}

.product-app-copy p {
  margin: 0 0 10px;
  color: var(--pd-body);
  font-size: 15px;
  line-height: 1.7;
}

.product-check-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.product-check-list li {
  position: relative;
  padding-left: 22px;
  color: var(--pd-ink);
  font-size: 15px;
}

.product-check-list li::before {
  position: absolute;
  left: 0;
  color: var(--pd-gold);
  content: "✓";
  font-weight: 700;
}

/* Supply band */
.product-supply-band {
  margin-left: -24px;
  margin-right: -24px;
  padding: 40px 24px;
  background: var(--pd-highlight);
  border-radius: 4px;
}

.product-supply-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
}

.product-supply-grid strong {
  display: block;
  margin-bottom: 6px;
  color: var(--pd-navy);
  font-size: 15px;
}

.product-supply-grid span {
  color: var(--pd-body);
  font-size: 14px;
  line-height: 1.5;
}

/* Related products */
.product-related-section {
  padding: 56px 0;
  border-top: 1px solid var(--pd-line);
}

.product-related-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.product-related-card {
  display: block;
  border: 1px solid var(--pd-line);
  border-radius: 4px;
  padding: 14px;
  background: #fff;
  transition: border-color .2s ease;
}

.product-related-card:hover {
  border-color: #d5dbe2;
}

.product-related-media {
  aspect-ratio: 1 / 1;
  margin: -14px -14px 14px;
  background: #f7f8fa;
  border-radius: 4px 4px 0 0;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.product-related-media img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform .25s ease;
}

.product-related-card:hover .product-related-media img {
  transform: scale(1.03);
}

.product-related-card h3 {
  margin: 0 0 6px;
  color: var(--pd-navy);
  font-size: 15px;
  line-height: 1.35;
  transition: color .2s ease;
}

.product-related-card:hover h3 {
  color: var(--pd-gold);
}

.product-related-card p {
  margin: 0 0 10px;
  color: var(--pd-muted);
  font-size: 13px;
}

.product-related-card span {
  color: var(--pd-gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .04em;
}

/* FAQ */
.product-faq-section {
  padding: 56px 0;
}

.product-faq details {
  min-height: 58px;
  border-bottom: 1px solid #e6e9ed;
}

.product-faq summary {
  display: flex;
  align-items: center;
  min-height: 58px;
  padding: 12px 28px 12px 0;
  cursor: pointer;
  color: var(--pd-navy);
  font-weight: 700;
  list-style: none;
  position: relative;
}

.product-faq summary::-webkit-details-marker {
  display: none;
}

.product-faq summary::after {
  position: absolute;
  right: 0;
  color: var(--pd-gold);
  font-size: 22px;
  line-height: 1;
  content: "+";
}

.product-faq details[open] summary::after {
  content: "−";
}

.product-faq details div {
  padding: 0 0 16px;
  color: var(--pd-body);
  font-size: 14px;
  line-height: 1.7;
}

/* Final CTA */
.product-final-cta {
  background: var(--pd-navy);
  color: #fff;
  padding: 44px 0;
}

.product-final-cta .product-detail-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.product-final-cta h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(24px, 2.4vw, 30px);
  line-height: 1.2;
}

.product-final-cta p {
  max-width: 560px;
  margin: 10px 0 0;
  color: rgba(255, 255, 255, .72);
  font-size: 15px;
  line-height: 1.6;
}

/* Responsive */
@media (max-width: 1050px) {
  .product-fit-grid,
  .product-supply-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-related-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 900px) {
  .product-detail-hero {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .product-gallery-main {
    height: 390px;
  }
}

@media (max-width: 768px) {
  .product-detail-container {
    padding-left: 20px;
    padding-right: 20px;
  }

  .product-sidebar {
    display: none;
  }

  .product-detail-layout {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .product-detail-main {
    max-width: none;
  }

  .product-core-specs {
    grid-template-columns: 1fr;
  }

  .product-feature-list {
    grid-template-columns: 1fr;
  }

  .product-door-panel {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .product-app-oem-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .product-section-band,
  .product-supply-band {
    margin-left: -20px;
    margin-right: -20px;
    padding-left: 20px;
    padding-right: 20px;
  }

  .product-related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .product-actions .button {
    flex: 1 1 auto;
    min-width: calc(50% - 6px);
  }

  .product-final-cta .product-actions {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .product-related-grid {
    grid-template-columns: 1fr;
  }

  .product-fit-grid,
  .product-supply-grid {
    grid-template-columns: 1fr;
  }

  .product-actions {
    flex-direction: column;
  }

  .product-actions .button {
    width: 100%;
    min-width: 0;
  }
}

/* Reference layout: smartlockmarket.com product detail pages */
.product-page-hero {
  position: relative;
  min-height: 220px;
  display: grid;
  align-items: end;
  overflow: hidden;
  background: #1a2433 center/cover no-repeat;
  background-image: linear-gradient(rgba(8, 18, 32, .72), rgba(8, 18, 32, .72)), var(--product-hero-image, none);
}

.product-page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 18, 32, .35), rgba(8, 18, 32, .78));
  pointer-events: none;
}

.product-page-hero-inner {
  position: relative;
  z-index: 1;
  padding: 48px 32px 36px;
}

.product-page-title {
  margin: 0 0 14px;
  max-width: 980px;
  color: #fff;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 700;
  line-height: 1.25;
}

.product-page-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  color: rgba(255, 255, 255, .78);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-page-breadcrumb a:hover {
  color: #fff;
}

.product-page-breadcrumb span {
  color: #fff;
}

.product-page-shell {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  padding-top: 28px;
  padding-bottom: 72px;
}

.product-detail-sidebar {
  position: sticky;
  top: calc(var(--pd-header-offset) + 12px);
  align-self: start;
}

.product-sidebar-widget + .product-sidebar-widget {
  margin-top: 28px;
}

.product-sidebar-title {
  margin: 0 0 14px;
  color: var(--pd-navy);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-sidebar-categories,
.product-sidebar-latest {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-sidebar-categories li {
  padding: 8px 0;
  border-bottom: 1px solid var(--pd-line);
  font-size: 14px;
  line-height: 1.35;
}

.product-sidebar-categories li.is-current a {
  color: var(--pd-gold);
  font-weight: 700;
}

.product-sidebar-categories a {
  color: var(--pd-body);
}

.product-sidebar-categories a:hover {
  color: var(--pd-navy);
}

.product-sidebar-latest li + li {
  margin-top: 12px;
}

.product-sidebar-latest a {
  display: grid;
  grid-template-columns: 54px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
}

.product-sidebar-thumb {
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  background: #f7f8fa;
  border: 1px solid var(--pd-line);
  border-radius: 4px;
  overflow: hidden;
}

.product-sidebar-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.product-sidebar-latest-title {
  color: var(--pd-ink);
  font-size: 13px;
  line-height: 1.35;
}

.product-page-main {
  min-width: 0;
}

.product-hero-row {
  display: grid;
  grid-template-columns: minmax(0, 48%) minmax(0, 52%);
  gap: clamp(32px, 4vw, 56px);
  align-items: stretch;
  padding-bottom: 36px;
}

.product-hero-copy {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.product-hero-copy .product-lead {
  display: -webkit-box;
  margin-bottom: 18px;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.product-hero-copy .product-params-list--hero li {
  padding: 8px 0;
}

.product-hero-copy .product-actions {
  margin-top: auto;
  padding-top: 20px;
}

.product-gallery-main {
  aspect-ratio: 1 / 1;
  height: auto !important;
  min-height: 0;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  box-shadow: none;
}

.product-gallery-main img {
  width: auto;
  height: auto !important;
  max-width: 82%;
  max-height: 82% !important;
  object-fit: contain;
}

.product-gallery-thumbs {
  gap: 10px;
  margin-top: 14px;
}

.product-gallery-thumbs button {
  width: 76px;
  height: 76px;
  padding: 4px;
  background: #fff;
  border: 1px solid #e5e7eb;
  border-radius: 8px;
}

.product-gallery-thumbs button.is-active {
  border: 2px solid #c99b45;
  padding: 3px;
}

.product-category-label {
  margin: 0 0 10px;
  color: #c99b45;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
}

.product-params-heading {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid #e5e7eb;
  color: #102a43;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: .03em;
}

.product-params-heading::before {
  display: block;
  width: 34px;
  height: 2px;
  margin: -19px 0 16px;
  background: #c99b45;
  content: "";
}

.product-params-list {
  margin: 8px 0 0;
  padding: 0;
  list-style: none;
}

.product-params-list li {
  display: grid;
  grid-template-columns: 38% 1fr;
  gap: 18px;
  padding: 10px 0;
  border-bottom: 1px solid #eceff3;
  color: #1f2937;
  font-size: 14px;
  line-height: 1.45;
}

.product-params-list strong {
  color: #6b7280;
  font-weight: 500;
}

.quote-helper {
  margin: 10px 0 0;
  color: #6b7280;
  font-size: 13px;
}

.product-button-primary {
  background: #c99b45;
  color: #102a43;
  border-radius: 8px;
}

.product-section-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  margin: 0 0 8px;
  background: #fff;
  border-top: 1px solid #e5e7eb;
  border-bottom: 1px solid #e5e7eb;
}

.product-section-nav-inner {
  display: flex;
  justify-content: flex-start;
  gap: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.product-section-nav-inner::-webkit-scrollbar {
  display: none;
}

.product-section-nav a {
  flex: 0 0 auto;
  padding: 15px 22px;
  color: #102a43;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .02em;
  white-space: nowrap;
  border-right: 1px solid rgba(0, 0, 0, .06);
  border-bottom: 2px solid transparent;
}

.product-section-nav a:hover,
.product-section-nav a.is-active {
  color: #c99b45;
  border-bottom-color: #c99b45;
}

.product-section-title {
  margin: 0 0 18px;
  color: #102a43;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.25;
}

.product-description-section,
.product-faq-section,
.product-quote-section,
.product-related-section {
  padding: 34px 0;
}

.product-description-body h2 {
  margin: 28px 0 12px;
  color: #102a43;
  font-size: 20px;
  font-weight: 700;
}

.product-description-body h2:first-child {
  margin-top: 0;
}

.product-description-body p,
.product-description-body li {
  color: #4b5563;
  font-size: 15px;
  line-height: 1.8;
}

.product-description-body ul {
  margin: 0 0 16px;
  padding-left: 20px;
}

.product-description-body .product-spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 8px;
  font-size: 15px;
}

.product-description-body .product-spec-table th,
.product-description-body .product-spec-table td {
  padding: 12px 14px;
  border: 1px solid #e5e7eb;
  text-align: left;
}

.product-description-body .product-spec-table thead th {
  background: #f5f7fa;
  color: #102a43;
  font-weight: 700;
}

.product-description-body .product-spec-table tbody th {
  width: 35%;
  color: #6b7280;
  font-weight: 600;
  background: #fbfcfd;
}

.product-inquiry-section {
  padding: 34px 0;
  border-top: 1px solid var(--pd-line);
}

.product-inquiry-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}

.product-inquiry-lead,
.product-inquiry-form-note {
  margin: 0 0 18px;
  color: var(--pd-body);
  font-size: 15px;
  line-height: 1.75;
}

.product-inquiry-checklist {
  margin: 0 0 24px;
  padding-left: 20px;
  color: var(--pd-body);
  font-size: 14px;
  line-height: 1.7;
}

.product-inquiry-checklist li {
  margin-bottom: 6px;
}

.product-inquiry-contacts {
  display: grid;
  gap: 16px;
  padding: 20px;
  background: var(--pd-paper);
  border: 1px solid var(--pd-line);
  border-radius: 6px;
}

.product-inquiry-contacts strong {
  display: block;
  margin-bottom: 4px;
  color: var(--pd-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.product-inquiry-contacts a,
.product-inquiry-contacts span {
  color: var(--pd-navy);
  font-size: 14px;
  line-height: 1.5;
}

.product-inquiry-contacts a:hover {
  color: var(--pd-gold);
}

.product-inquiry-form .product-section-title {
  margin-bottom: 10px;
}

.product-quote-form {
  display: grid;
  gap: 16px;
  max-width: none;
}

.product-quote-field label {
  display: block;
  margin-bottom: 6px;
  color: var(--pd-navy);
  font-size: 13px;
  font-weight: 600;
}

.product-quote-field input,
.product-quote-field textarea {
  width: 100%;
  padding: 12px 14px;
  color: var(--pd-ink);
  background: #fff;
  border: 1px solid #d8dee6;
  border-radius: 6px;
  font: inherit;
}

.product-quote-field textarea {
  min-height: 120px;
  resize: vertical;
}

.product-quote-submit {
  justify-self: start;
  min-width: 160px;
}

#description,
#faq,
#request-a-quote {
  scroll-margin-top: 88px;
}

@media (max-width: 1050px) {
  .product-page-shell {
    grid-template-columns: 1fr;
  }

  .product-detail-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .product-page-hero-inner {
    padding: 36px 20px 28px;
  }

  .product-page-shell {
    padding-left: 20px;
    padding-right: 20px;
  }

  .product-hero-row {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .product-detail-sidebar {
    grid-template-columns: 1fr;
  }

  .product-params-list li {
    grid-template-columns: 42% 1fr;
    gap: 10px;
  }

  .product-gallery-thumbs button {
    width: 70px;
    height: 70px;
  }

  .product-page-title {
    font-size: 28px;
  }

  .product-inquiry-grid {
    grid-template-columns: 1fr;
  }
}