/* Product-page extensions: verified facts, applications and enquiry specification. */
.product-detail-media figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  z-index: 2;
  max-width: 310px;
  padding: 9px 12px;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius-control);
  background: rgba(7, 30, 39, 0.8);
  color: rgba(255, 255, 255, 0.82);
  font-size: 11px;
  line-height: 1.45;
}

.product-detail-media--visual img {
  object-position: center;
}

.gas-overview {
  padding: clamp(78px, 8vw, 116px) 0;
  background: #ffffff;
}

.gas-overview-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(52px, 9vw, 132px);
  align-items: start;
}

.gas-overview h2,
.gas-applications h2,
.gas-specification h2 {
  margin: 0;
  font-size: clamp(42px, 4.8vw, 66px);
  letter-spacing: -0.05em;
  line-height: 1.02;
}

.gas-overview-copy {
  display: grid;
  gap: 24px;
}

.gas-overview-copy p {
  max-width: 68ch;
  margin: 0;
  color: var(--text-muted);
  font-size: 17px;
}

.gas-atomic-record {
  display: grid;
  grid-template-columns: 0.65fr 1fr;
  border-top: 1px solid var(--line);
}

.gas-atomic-record div {
  min-height: 104px;
  display: grid;
  align-content: center;
  gap: 3px;
  padding: 18px 20px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.gas-atomic-record div:nth-child(2n) {
  border-right: 0;
}

.gas-atomic-record span,
.gas-commercial-list span {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.gas-atomic-record strong {
  font-size: 18px;
}

.gas-isotope-note {
  padding: 20px;
  border-left: 3px solid var(--accent);
  background: var(--surface-soft);
}

.gas-isotope-note strong {
  display: block;
  margin-bottom: 6px;
  color: var(--text);
}

.gas-applications {
  padding: clamp(82px, 9vw, 132px) 0;
}

.gas-section-head {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(42px, 8vw, 108px);
  align-items: end;
  margin-bottom: 48px;
}

.gas-section-head p {
  max-width: 62ch;
  margin: 0;
  color: var(--text-muted);
  font-size: 17px;
}

.gas-application-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.gas-application-card {
  min-width: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.gas-application-image {
  display: block;
  aspect-ratio: 1.5;
  background-image: url('../images/xenon-applications-grid.webp');
  background-repeat: no-repeat;
  background-size: 300% 200%;
}

.gas-application-image--1 { background-position: 0 0; }
.gas-application-image--2 { background-position: 50% 0; }
.gas-application-image--3 { background-position: 100% 0; }
.gas-application-image--4 { background-position: 0 100%; }
.gas-application-image--5 { background-position: 50% 100%; }
.gas-application-image--6 { background-position: 100% 100%; }

.gas-application-body {
  min-height: 210px;
  padding: 25px;
}

.gas-application-body span {
  color: var(--accent-strong);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 0.09em;
}

.gas-application-body h3 {
  margin: 10px 0 12px;
  font-size: 22px;
}

.gas-application-body p {
  margin: 0;
  color: var(--text-muted);
}

.gas-application-grid--text .gas-application-body {
  min-height: 230px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(145deg, #ffffff 0%, #eef3f3 100%);
}

.gas-specification {
  padding: clamp(82px, 9vw, 126px) 0;
  background: #dfeaec;
}

.gas-grade-list {
  margin-top: 46px;
  border-top: 1px solid rgba(16, 40, 47, 0.22);
}

.gas-grade {
  display: grid;
  grid-template-columns: 0.72fr 0.42fr 1.4fr;
  gap: 30px;
  align-items: center;
  padding: 28px 0;
  border-bottom: 1px solid rgba(16, 40, 47, 0.22);
}

.gas-grade h3,
.gas-grade p {
  margin: 0;
}

.gas-grade h3 {
  font-size: 25px;
}

.gas-grade strong {
  color: var(--accent-strong);
  font-size: 18px;
}

.gas-grade p {
  color: var(--text-muted);
}

.gas-commercial-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin: 42px 0 0;
  padding: 0;
  border-top: 1px solid rgba(16, 40, 47, 0.22);
  border-left: 1px solid rgba(16, 40, 47, 0.22);
  list-style: none;
}

.gas-commercial-list li {
  min-height: 112px;
  display: grid;
  align-content: center;
  gap: 5px;
  padding: 18px;
  border-right: 1px solid rgba(16, 40, 47, 0.22);
  border-bottom: 1px solid rgba(16, 40, 47, 0.22);
}

.gas-commercial-list strong {
  font-size: 14px;
}

.gas-disclaimer {
  max-width: 82ch;
  margin: 24px 0 0;
  color: var(--text-muted);
  font-size: 13px;
}

@media (max-width: 960px) {
  .gas-overview-grid,
  .gas-section-head {
    grid-template-columns: 1fr;
  }

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

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

@media (max-width: 680px) {
  .gas-overview h2,
  .gas-applications h2,
  .gas-specification h2 {
    font-size: 40px;
  }

  .gas-atomic-record,
  .gas-application-grid,
  .gas-grade,
  .gas-commercial-list {
    grid-template-columns: 1fr;
  }

  .gas-atomic-record div,
  .gas-atomic-record div:nth-child(2n) {
    border-right: 0;
  }

  .gas-grade {
    gap: 8px;
    padding: 24px 0;
  }

  .gas-application-body,
  .gas-application-grid--text .gas-application-body {
    min-height: 0;
  }

  .product-detail-media figcaption {
    right: 12px;
    bottom: 12px;
    left: 12px;
    max-width: none;
  }
}