.sulphur-gallery {
  grid-template-columns: repeat(2, 1fr);
}

.sulphur-gallery figure:first-child img {
  object-position: 50% 52%;
}

.sulphur-gallery figure:nth-child(2) img {
  object-position: 50% 45%;
}

.sulphur-gallery figure:nth-child(4) img {
  object-position: 50% 32%;
}

.spec-details-open {
  display: block;
}

.spec-title {
  color: var(--gold);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  margin: 28px 0 12px;
}

.packing-guide {
  background: var(--white);
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  align-items: center;
  gap: 40px;
  margin-top: 58px;
  padding: 38px;
}

.packing-guide-copy h3,
.flexitank-heading h3 {
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 15px 0 18px;
}

.packing-guide-copy > p:last-child,
.flexitank-heading > p:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
  margin: 0;
}

.packing-guide > img {
  background: #edf1f4;
  width: 100%;
  max-height: 720px;
  object-fit: contain;
}

.flexitank-section {
  background: #171814;
  color: var(--white);
  margin-top: 18px;
  padding: 48px;
}

.flexitank-heading {
  max-width: 800px;
  margin-bottom: 30px;
}

.flexitank-heading .gold-label {
  color: var(--gold-bright);
}

.flexitank-heading > p:last-child {
  color: #ffffff9c;
}

.flexitank-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.flexitank-gallery figure {
  background: #252620;
  margin: 0;
  overflow: hidden;
}

.flexitank-gallery img {
  width: 100%;
  height: 380px;
  object-fit: cover;
}

.flexitank-gallery figure:nth-child(3) img {
  background: #ecece8;
  object-fit: contain;
}

.flexitank-gallery .process-card {
  grid-column: 1 / -1;
}

.flexitank-gallery .process-card img {
  background: #f3f3f0;
  height: auto;
  max-height: 720px;
  object-fit: contain;
}

.flexitank-gallery figcaption {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
}

.flexitank-gallery figcaption strong {
  font-size: 13px;
}

.flexitank-gallery figcaption span {
  color: var(--gold-bright);
  font-size: 9px;
}

.credentials-intro {
  max-width: 980px;
  margin-top: 58px;
}

.credentials-intro h3 {
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  margin: 14px 0 20px;
}

.credentials-intro > p:not(.gold-label) {
  color: var(--muted);
  line-height: 1.9;
  max-width: 900px;
}

.credential-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.credential-highlights span {
  border: 1px solid #b08d572e;
  color: var(--gold);
  font-size: 10px;
  letter-spacing: .08em;
  padding: 10px 14px;
}

.credential-gallery {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  margin-top: 36px;
}

.credential-gallery figure {
  background: #fff;
  box-shadow: 0 12px 45px rgba(20, 21, 18, .08);
  margin: 0;
  overflow: hidden;
}

.credential-gallery a {
  display: block;
  background: #f4f3ef;
}

.credential-gallery img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: contain;
  transition: transform .35s ease;
}

.credential-gallery a:hover img {
  transform: scale(1.018);
}

.credential-gallery figcaption {
  border-top: 1px solid #17181412;
  color: var(--ink);
  font-size: 12px;
  font-weight: 700;
  padding: 16px 18px;
}

.video-feature {
  display: grid;
  grid-template-columns: minmax(240px, .72fr) minmax(0, 1.28fr);
  align-items: center;
  gap: 42px;
  margin-top: 28px;
  padding: 36px;
}

.video-feature-light {
  background: #f1f0eb;
  margin-bottom: 18px;
}

.sulphur-video {
  background: #171814;
  color: var(--white);
  grid-column: 1 / -1;
  margin-top: 18px;
}

.flexitank-video {
  background: #252620;
  margin-top: 28px;
}

.video-copy h3 {
  font-family: Georgia, "Noto Serif SC", "Songti SC", serif;
  font-size: clamp(27px, 3vw, 40px);
  font-weight: 500;
  letter-spacing: -.03em;
  line-height: 1.14;
  margin: 13px 0 16px;
}

.video-copy > p:last-child {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.85;
  margin: 0;
}

.sulphur-video .video-copy > p:last-child,
.flexitank-video .video-copy > p:last-child {
  color: #ffffff9c;
}

.video-feature video {
  background: #090a08;
  box-shadow: 0 18px 55px rgba(13, 14, 12, .2);
  display: block;
  width: 100%;
  max-height: 620px;
  object-fit: contain;
}

.sulphur-video video {
  aspect-ratio: 16 / 9;
}

@media (max-width: 1050px) {
  .packing-guide {
    grid-template-columns: 1fr;
  }

  .flexitank-gallery img {
    height: 320px;
  }
}

@media (max-width: 760px) {
  .sulphur-gallery {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .sulphur-gallery figure {
    min-height: 420px;
  }

  .packing-guide {
    margin-top: 38px;
    padding: 20px;
  }

  .flexitank-section {
    padding: 30px 20px;
  }

  .flexitank-gallery {
    grid-template-columns: 1fr;
  }

  .flexitank-gallery img {
    height: 360px;
  }

  .flexitank-gallery .process-card {
    grid-column: auto;
  }

  .flexitank-gallery .process-card img {
    height: auto;
  }

  .credential-gallery {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .video-feature {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 24px 20px;
  }

  .video-copy h3 {
    font-size: 29px;
  }
}