.conversation-grid,
.rig-grid,
.fit-lights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.conversation-grid article {
  position: relative;
  padding: 24px;
  background: var(--white);
  border-top: 4px solid var(--green);
}

.conversation-grid article > span {
  display: block;
  color: var(--gold);
  font: 700 34px/1 Georgia, serif;
}

.conversation-grid h3,
.fit-lights h3 {
  margin: 10px 0 6px;
}

.conversation-grid p,
.fit-lights p {
  margin: 0;
}

.rig-map {
  margin-top: 28px;
  padding: 26px;
  background: #182024;
  color: #fff;
}

.rig-map > h3 {
  margin: 0 0 6px;
  font-size: 28px;
}

.rig-map > p {
  max-width: 780px;
  color: #dfe8e5;
}

.rig-grid {
  grid-template-columns: repeat(4, 1fr);
  margin-top: 18px;
}

.rig-grid article {
  padding: 15px;
  border-top: 3px solid var(--gold);
  background: #253036;
}

.rig-grid strong,
.rig-grid span {
  display: block;
}

.rig-grid span {
  margin-top: 8px;
  color: #dfe8e5;
  font: 13px/1.4 Arial, sans-serif;
}

.fit-lights {
  margin-top: 28px;
}

.fit-lights article {
  padding: 20px;
  border: 1px solid var(--line);
  background: var(--white);
}

.light {
  display: block;
  width: 24px;
  height: 24px;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #7d8985;
}

.light.green { background: #2f7d5f; }
.light.amber { background: #d69b34; }
.light.red { background: #a43b32; }

.skip-link {
  position: absolute;
  top: -60px;
  left: 18px;
  z-index: 10;
  padding: 10px 14px;
  background: var(--ink);
  color: var(--white);
  font: 700 14px/1.2 Arial, sans-serif;
}

.skip-link:focus { top: 12px; }

.details-intro,
.details-note {
  max-width: 820px;
}

.product-details-wrap table {
  min-width: 1100px;
  font-size: 13px;
  line-height: 1.48;
}

.product-details-wrap th:first-child {
  min-width: 170px;
}

.product-details-wrap td {
  min-width: 180px;
}

.details-note {
  margin-top: 14px;
  color: var(--muted);
  font: 13px/1.5 Arial, sans-serif;
}

@media (max-width: 850px) {
  .conversation-grid,
  .fit-lights {
    grid-template-columns: 1fr;
  }

  .rig-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 560px) {
  .rig-grid {
    grid-template-columns: 1fr;
  }

  .rig-map {
    padding: 20px;
  }
}