/* =========================
   Product page styles
   Aligned to live Centaur product / Contact chrome
========================== */

.breadcrumbs {
  padding: 14px 40px;
  background: #fff;
  border-bottom: 1px solid #ececec;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 14px;
  color: #555;
}

.breadcrumbs ol {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.35rem;
  color: #999;
}

.breadcrumbs a {
  color: #555;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus-visible {
  color: #c12422;
}

.breadcrumbs [aria-current="page"] {
  color: #201d1e;
  font-weight: 600;
}

.product-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr);
  gap: 2.75rem;
  padding: 40px;
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
}

.product-gallery {
  position: relative;
}

.gallery-main {
  position: relative;
  background: #f3f4f5;
  border: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

.gallery-main img,
.gallery-main .pack-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.gallery-zoom {
  position: absolute;
  right: 12px;
  bottom: 12px;
  border: 0;
  background: rgba(255, 255, 255, 0.95);
  color: #201d1e;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.12);
}

.gallery-zoom svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.gallery-badges {
  position: absolute;
  left: 12px;
  top: 12px;
  display: grid;
  gap: 0.4rem;
  z-index: 2;
}

.gallery-badge {
  display: inline-block;
  background: #fff;
  color: #201d1e;
  border-left: 3px solid #f1212a;
  padding: 0.35rem 0.55rem;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin-top: 0.75rem;
}

.gallery-thumb {
  border: 2px solid transparent;
  background: #f3f4f5;
  padding: 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  cursor: pointer;
}

.gallery-thumb.is-active,
.gallery-thumb:hover,
.gallery-thumb:focus-visible {
  border-color: #c12422;
}

.gallery-thumb img,
.gallery-thumb .pack-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pack-placeholder {
  background:
    linear-gradient(145deg, #2b333b 0%, #1a1f24 55%, #c12422 160%);
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  font-weight: 600;
  font-size: 0.95rem;
}

.product-buy {
  position: sticky;
  top: 188px;
}

.product-category {
  margin: 0 0 0.35rem;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #666;
  font-weight: 600;
  font-family: Helvetica, Arial, sans-serif;
}

.product-title {
  margin: 0 0 0.75rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: clamp(1.55rem, 2.4vw, 2rem);
  line-height: 1.2;
  color: #212121;
  font-weight: 700;
}

.product-intro {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  color: #201d1e;
  line-height: 1.5;
  font-family: Helvetica, Arial, sans-serif;
}

.rating-row {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}

.stars {
  color: #c12422;
  letter-spacing: 0.05em;
  font-size: 1rem;
}

.rating-text {
  font-size: 0.92rem;
  color: #444;
}

.benefit-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.benefit-list li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.98rem;
  color: #201d1e;
  font-family: Helvetica, Arial, sans-serif;
}

.benefit-list li::before {
  content: "✓";
  color: #212121;
  font-weight: 700;
  line-height: 1.35;
  flex: 0 0 auto;
}

.price-block {
  margin-bottom: 0.85rem;
}

.price-ex {
  margin: 0;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1.7rem;
  font-weight: 700;
  color: #212121;
}

.price-inc {
  margin: 0.15rem 0 0;
  color: #555;
  font-size: 0.98rem;
}

.trade-note {
  margin: 0.35rem 0 1.1rem;
  font-size: 0.88rem;
  color: #666;
}

.config-panel {
  border: 1px solid #e8e8e8;
  background: #fff;
  padding: 1.15rem;
  margin-bottom: 1rem;
}

.config-step {
  margin-bottom: 1.1rem;
}

.config-step:last-child {
  margin-bottom: 0;
}

.config-step h3 {
  margin: 0 0 0.65rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: #212121;
}

.option-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.option-btn {
  position: relative;
  border: 1px solid #c9d0d6;
  background: #fff;
  padding: 0.75rem 0.7rem;
  text-align: left;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 600;
  color: #222;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
  min-height: 52px;
}

.option-btn:hover,
.option-btn:focus-visible {
  border-color: #9aa5ae;
}

.option-btn.is-selected {
  border-color: #c12422;
  box-shadow: inset 0 0 0 1px #c12422;
  background: rgba(193, 36, 34, 0.05);
}

.option-btn .pill {
  display: inline-block;
  margin-left: 0.35rem;
  padding: 0.1rem 0.4rem;
  background: #f1212a;
  color: #fff;
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
}

.swatch-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.swatch-btn {
  border: 1px solid #c9d0d6;
  background: #fff;
  padding: 0.45rem 0.55rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  cursor: pointer;
  font-size: 0.88rem;
  font-weight: 600;
  color: #222;
  font-family: Helvetica, Arial, sans-serif;
}

.swatch-btn.is-selected {
  border-color: #c12422;
  box-shadow: inset 0 0 0 1px #c12422;
}

.swatch-chip {
  width: 18px;
  height: 18px;
  border-radius: 0;
  border: 1px solid rgba(0, 0, 0, 0.15);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.field-label {
  display: grid;
  gap: 0.3rem;
  font-size: 0.86rem;
  font-weight: 600;
  color: #333;
  font-family: Helvetica, Arial, sans-serif;
}

.field-label input {
  border: 1px solid #c5ced6;
  padding: 0.55rem 0.65rem;
  font: inherit;
  background: #fff;
  border-radius: 0;
}

.calc-results {
  margin-top: 0.75rem;
  background: #f7f7f7;
  border: 1px solid #e8e8e8;
  padding: 0.75rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: #333;
}

.calc-help {
  margin: 0.65rem 0 0;
  font-size: 0.86rem;
  color: #555;
}

.qty-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1rem 0;
  flex-wrap: wrap;
}

.qty-control {
  display: inline-flex;
  align-items: center;
  border: 1px solid #c5ced6;
  background: #fff;
}

.qty-control button {
  width: 42px;
  height: 42px;
  border: 0;
  background: transparent;
  font-size: 1.2rem;
  cursor: pointer;
  color: #222;
}

.qty-control input {
  width: 56px;
  height: 42px;
  border: 0;
  border-left: 1px solid #c5ced6;
  border-right: 1px solid #c5ced6;
  text-align: center;
  font: inherit;
}

.purchase-actions {
  display: grid;
  gap: 0.55rem;
}

.btn-add {
  background: #c12422;
  color: #fff;
  border: 0;
  padding: 0.9rem 1rem;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.2s ease;
  border-radius: 0;
}

.btn-add:hover,
.btn-add:focus-visible {
  background: #9d1c1a;
}

.btn-secondary {
  background: #fff;
  color: #201d1e;
  border: 1px solid #201d1e;
  padding: 0.8rem 1rem;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: #c12422;
  color: #c12422;
  background: #fff;
}

.trust-micro {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 0.75rem;
  font-size: 0.82rem;
  color: #555;
}

.trust-micro li {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.trust-micro li::before {
  content: "✓";
  color: #c12422;
  font-weight: 700;
}

.reassurance-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  background: #201d1e;
  color: #fff;
  padding: 1.5rem 40px;
}

.reassurance-item {
  display: flex;
  gap: 0.7rem;
  align-items: center;
}

.reassurance-item svg {
  width: 28px;
  height: 28px;
  fill: #f1212a;
  flex: 0 0 auto;
}

.reassurance-item strong {
  display: block;
  font-size: 0.92rem;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 700;
}

.reassurance-item span {
  font-size: 0.8rem;
  color: #d7d7d7;
}

.centaur-pillars {
  background: #fff;
  border-bottom: 1px solid #ececec;
  padding: 2.5rem 40px;
}

.centaur-pillars__inner {
  max-width: 1140px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 2rem;
}

.centaur-pillars h3 {
  margin: 0 0 0.45rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 17px;
  font-weight: 400;
  color: #212121;
}

.centaur-pillars p {
  margin: 0;
  font-size: 15px;
  line-height: 1.45;
  color: #201d1e;
}

.product-tabs {
  position: sticky;
  top: 168px;
  z-index: 15;
  background: #fff;
  border-bottom: 1px solid #e5e8eb;
  padding: 0 40px;
  display: flex;
  gap: 0.25rem;
  overflow-x: auto;
}

.product-tabs a {
  padding: 0.9rem 0.85rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 0.92rem;
  font-weight: 600;
  color: #555;
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.product-tabs a:hover,
.product-tabs a:focus-visible,
.product-tabs a.is-active {
  color: #c12422;
  border-bottom-color: #c12422;
}

.product-section {
  padding: 3rem 40px;
  scroll-margin-top: 258px;
}

.product-section.alt {
  background: #f7f7f7;
}

.section-inner {
  max-width: 1140px;
  margin: 0 auto;
}

.section-inner h2 {
  margin: 0 0 0.85rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: clamp(1.35rem, 2.2vw, 1.75rem);
  font-weight: 700;
  color: #212121;
}

.section-lead {
  margin: 0 0 1.15rem;
  max-width: 70ch;
  color: #201d1e;
  font-size: 20px;
  line-height: 1.5;
  font-family: Helvetica, Arial, sans-serif;
}

.overview-split {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 2rem;
  align-items: start;
  margin-bottom: 1.75rem;
}

.overview-media {
  margin: 0;
}

.overview-media img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
}

.centaur-checklist {
  list-style: none;
  margin: 0 0 0.5rem;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.centaur-checklist li {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 17px;
  color: #201d1e;
  font-family: Helvetica, Arial, sans-serif;
}

.centaur-checklist li::before {
  content: "✓";
  color: #212121;
  font-weight: 700;
  flex: 0 0 auto;
}

.benefit-cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.benefit-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  border-left: 3px solid #f1212a;
  padding: 1rem 1.05rem;
  box-shadow: none;
}

.benefit-card h3 {
  margin: 0 0 0.4rem;
  font-family: Helvetica, Arial, sans-serif;
  font-size: 1rem;
  font-weight: 700;
  color: #212121;
}

.benefit-card p {
  margin: 0;
  color: #201d1e;
  font-size: 0.95rem;
  line-height: 1.45;
}

.component-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.85rem;
}

.component-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.component-card.is-included {
  border-color: #c12422;
  box-shadow: 0 0 0 1px rgba(193, 36, 34, 0.15);
}

.component-media {
  aspect-ratio: 4 / 3;
  background: #2a3239;
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.6rem;
  font-size: 0.85rem;
  font-weight: 600;
  overflow: hidden;
}

.component-media--image {
  padding: 0;
}

.component-media--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.component-body {
  padding: 0.8rem;
  display: grid;
  gap: 0.35rem;
}

.component-body h3 {
  margin: 0;
  font-size: 0.95rem;
  font-family: Helvetica, Arial, sans-serif;
}

.component-body p {
  margin: 0;
  font-size: 0.85rem;
  color: #555;
}

.tag {
  display: inline-block;
  width: fit-content;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  padding: 0.15rem 0.4rem;
  background: #eee;
  color: #444;
}

.tag.included {
  background: rgba(193, 36, 34, 0.12);
  color: #9d1c1a;
}

.upsell-box {
  margin-top: 1.25rem;
  border: 1px solid #c12422;
  background: #fff;
  padding: 0.9rem 1rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
}

.upsell-box label {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  font-size: 0.95rem;
  color: #222;
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.process-step {
  background: #fff;
  border: 1px solid #e8e8e8;
  padding: 0 0 1rem;
  overflow: hidden;
}

.process-step__media {
  aspect-ratio: 16 / 10;
  background: #f3f4f5;
  overflow: hidden;
  margin-bottom: 0.85rem;
}

.process-step__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.process-step .num {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  background: #f1212a;
  color: #fff;
  font-weight: 700;
  margin: 0 1rem 0.55rem;
}

.process-step h3,
.process-step p {
  margin-left: 1rem;
  margin-right: 1rem;
}

.process-step h3 {
  margin-top: 0;
  margin-bottom: 0.35rem;
}

.process-step p {
  margin-top: 0;
  margin-bottom: 0;
  color: #555;
  font-size: 0.92rem;
}

.process-note {
  margin-top: 1rem;
  font-size: 0.92rem;
  color: #555;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

.spec-table th,
.spec-table td {
  border: 1px solid #e8e8e8;
  padding: 0.75rem 0.85rem;
  text-align: left;
  font-size: 0.94rem;
}

.spec-table th {
  width: 34%;
  background: #f7f7f7;
  color: #212121;
  font-family: Helvetica, Arial, sans-serif;
}

.demo-note {
  margin-top: 0.75rem;
  font-size: 0.85rem;
  color: #666;
}

.downloads-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.download-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid #e8e8e8;
  background: #fff;
  padding: 0.85rem;
  color: inherit;
}

.download-card:hover,
.download-card:focus-visible {
  border-color: #c12422;
}

.download-icon {
  width: 36px;
  height: 36px;
  background: #f1212a;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 700;
  flex: 0 0 auto;
}

.download-meta strong {
  display: block;
  font-size: 0.92rem;
}

.download-meta span {
  font-size: 0.8rem;
  color: #666;
}

.review-score {
  font-size: 1.35rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: #212121;
}

.review-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.review-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  padding: 1rem;
}

.review-card .meta {
  display: flex;
  justify-content: space-between;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 0.35rem;
}

.review-card p {
  margin: 0.4rem 0 0;
  color: #444;
  font-size: 0.92rem;
}

.verified {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #c12422;
  font-weight: 700;
}

.support-callout {
  background: #201d1e;
  color: #fff;
  padding: 2.25rem 2rem;
}

.support-callout h2 {
  margin: 0 0 0.65rem;
  color: #fff;
  font-family: Helvetica, Arial, sans-serif;
  font-weight: 300;
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.support-callout p {
  margin: 0 0 1.25rem;
  max-width: 62ch;
  font-size: 1.05rem;
  line-height: 1.5;
  color: #f0f0f0;
}

.support-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.support-actions .btn-add,
.support-actions .btn-secondary {
  min-width: 220px;
}

.support-actions .btn-secondary {
  border-color: #fff;
  color: #fff;
  background: transparent;
}

.support-actions .btn-secondary:hover,
.support-actions .btn-secondary:focus-visible {
  background: #fff;
  color: #201d1e;
  border-color: #fff;
}

.faq-list {
  display: grid;
  gap: 0.55rem;
}

.faq-item {
  border: 1px solid #e8e8e8;
  background: #fff;
}

.faq-item summary {
  cursor: pointer;
  padding: 0.95rem 1rem;
  font-weight: 600;
  font-family: Helvetica, Arial, sans-serif;
  color: #212121;
  list-style: none;
}

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

.faq-item summary::after {
  content: "+";
  float: right;
  color: #c12422;
  font-weight: 700;
}

.faq-item[open] summary::after {
  content: "–";
}

.faq-body {
  padding: 0 1rem 1rem;
  color: #201d1e;
  font-size: 0.98rem;
  line-height: 1.5;
}

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

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

.related-card {
  background: #fff;
  border: 1px solid #e8e8e8;
  display: flex;
  flex-direction: column;
}

.related-media {
  aspect-ratio: 4 / 3;
  background: linear-gradient(145deg, #2b333b 0%, #1a1f24 70%);
  color: #fff;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
}

.related-media--image {
  padding: 0;
  background: #f3f4f5;
}

.related-media--image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.related-media--contain {
  background: #fff;
}

.related-media--contain img {
  object-fit: contain;
  padding: 0.75rem;
}

.related-body {
  padding: 0.9rem;
  display: grid;
  gap: 0.45rem;
  flex: 1;
}

.related-body h3 {
  margin: 0;
  font-size: 1rem;
  font-family: Helvetica, Arial, sans-serif;
}

.related-body p {
  margin: 0;
  color: #555;
  font-size: 0.9rem;
}

.related-price {
  font-weight: 700;
  color: #212121;
}

.quick-add {
  margin-top: auto;
  border: 1px solid #201d1e;
  background: #fff;
  color: #201d1e;
  padding: 0.55rem 0.7rem;
  font-weight: 600;
  cursor: pointer;
  font-family: Helvetica, Arial, sans-serif;
}

.quick-add:hover,
.quick-add:focus-visible {
  border-color: #c12422;
  color: #c12422;
}

.reviews-summary {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.reviews-summary .score {
  font-size: 2rem;
  font-weight: 700;
  color: #212121;
}

/* Basket drawer */
.basket-overlay {
  position: fixed;
  inset: 0;
  background: rgba(16, 20, 24, 0.5);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s ease, visibility 0.2s ease;
  z-index: 40;
}

.basket-overlay.is-open {
  opacity: 1;
  visibility: visible;
}

.basket-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(420px, 100%);
  height: 100%;
  background: #fff;
  box-shadow: -12px 0 30px rgba(0, 0, 0, 0.18);
  transform: translateX(100%);
  transition: transform 0.25s ease;
  z-index: 41;
  display: flex;
  flex-direction: column;
}

.basket-drawer.is-open {
  transform: translateX(0);
}

.basket-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid #e5e8eb;
}

.basket-head h2 {
  margin: 0;
  font-size: 1.15rem;
}

.basket-body {
  padding: 1rem 1.1rem;
  overflow: auto;
  flex: 1;
}

.basket-success {
  display: none;
  margin-bottom: 0.85rem;
  background: #effbf5;
  border: 1px solid #bfe8d8;
  color: #136746;
  padding: 0.65rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
}

.basket-success.is-visible {
  display: block;
}

.basket-empty {
  color: #666;
  font-size: 0.95rem;
}

.basket-item {
  border: 1px solid #e5e8eb;
  padding: 0.85rem;
  margin-bottom: 0.75rem;
}

.basket-item h3 {
  margin: 0 0 0.35rem;
  font-size: 0.98rem;
}

.basket-item .meta {
  margin: 0;
  font-size: 0.84rem;
  color: #555;
  line-height: 1.45;
}

.basket-item-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.7rem;
  flex-wrap: wrap;
}

.basket-remove {
  border: 0;
  background: transparent;
  color: #c12422;
  font-weight: 600;
  cursor: pointer;
  padding: 0.25rem;
}

.basket-totals {
  border-top: 1px solid #e5e8eb;
  padding-top: 0.75rem;
  display: grid;
  gap: 0.35rem;
  font-size: 0.92rem;
}

.basket-totals .grand {
  font-size: 1.05rem;
  font-weight: 700;
}

.basket-foot {
  padding: 1rem 1.1rem;
  border-top: 1px solid #e5e8eb;
  display: grid;
  gap: 0.5rem;
}

.checkout-state {
  display: none;
  padding: 1rem;
  background: #f7fafc;
  border: 1px solid #d9e3ea;
  color: #233;
  font-size: 0.92rem;
}

.checkout-state.is-visible {
  display: block;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(10, 12, 14, 0.86);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 50;
}

.lightbox.is-open {
  display: flex;
}

.lightbox-panel {
  width: min(900px, 100%);
  background: #111;
  position: relative;
}

.lightbox-panel img,
.lightbox-panel .pack-placeholder {
  width: 100%;
  max-height: 80vh;
  object-fit: contain;
  aspect-ratio: 1;
}

.lightbox-close {
  position: absolute;
  top: 10px;
  right: 10px;
  border: 0;
  background: #fff;
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* Mobile sticky bar */
.mobile-buy-bar {
  display: none;
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 20;
  background: #fff;
  border-top: 1px solid #dde2e6;
  padding: 0.7rem 0.9rem calc(0.7rem + env(safe-area-inset-bottom));
  box-shadow: 0 -8px 24px rgba(0, 0, 0, 0.08);
  align-items: center;
  gap: 0.75rem;
}

.mobile-buy-meta {
  flex: 1;
  min-width: 0;
}

.mobile-buy-meta strong {
  display: block;
  font-size: 1rem;
}

.mobile-buy-meta span {
  font-size: 0.8rem;
  color: #666;
}

.mobile-buy-bar .btn-add {
  width: auto;
  white-space: nowrap;
  padding: 0.75rem 0.9rem;
  font-size: 0.92rem;
}

body.has-mobile-buy-bar {
  padding-bottom: 84px;
}

.file-drop {
  border: 1px dashed #b7c0c8;
  background: #fafbfc;
  padding: 0.9rem;
  font-size: 0.9rem;
  color: #555;
}

.file-drop input {
  margin-top: 0.45rem;
  width: 100%;
}

@media (max-width: 1100px) {
  .component-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .process-steps,
  .review-grid,
  .benefit-cards,
  .centaur-pillars__inner,
  .overview-split {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 920px) {
  .product-layout {
    grid-template-columns: 1fr;
    padding: 24px 20px;
  }

  .product-buy {
    position: static;
  }

  .reassurance-strip {
    grid-template-columns: 1fr 1fr;
    padding: 1.2rem 20px;
  }

  .centaur-pillars {
    padding: 2rem 20px;
  }

  .product-tabs,
  .product-section,
  .breadcrumbs {
    padding-left: 20px;
    padding-right: 20px;
  }

  .product-tabs {
    top: 110px;
  }

  .overview-split,
  .centaur-pillars__inner {
    grid-template-columns: 1fr;
  }

  .mobile-buy-bar {
    display: flex;
  }
}

@media (max-width: 640px) {
  .option-grid,
  .calc-grid,
  .downloads-grid,
  .reassurance-strip,
  .benefit-cards,
  .process-steps,
  .review-grid,
  .component-grid,
  .related-grid,
  .alt-grid,
  .trust-micro,
  .centaur-pillars__inner {
    grid-template-columns: 1fr;
  }

  .gallery-thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .basket-drawer,
  .basket-overlay {
    transition: none;
  }
}