/* lst-skid — life-support plant schematic. Prefix lst- only. System fonts. */
:root {
  --lst-ink: #122226;
  --lst-mute: #4a5c60;
  --lst-tank: #16343c;
  --lst-pvc: #eef3f1;
  --lst-sheet: #f7faf9;
  --lst-copper: #c4783a;
  --lst-teal: #0a6e7a;
  --lst-foam: #d7ebe8;
  --lst-line: #c5d4d1;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.lst-root {
  margin: 0;
  color: var(--lst-ink);
  background:
    linear-gradient(90deg, transparent 47px, rgba(10,110,122,.08) 48px, transparent 49px),
    var(--lst-pvc);
  font-family: "Avenir Next", "Helvetica Neue", Avenir, Helvetica, Arial, sans-serif;
  font-size: 17.5px;
  line-height: 1.6;
}
.lst-skip { position: absolute; left: -999px; }
.lst-skip:focus { left: 10px; top: 10px; background: #fff; padding: 6px 10px; z-index: 8; }
.lst-pipehead {
  background: var(--lst-tank);
  color: #e8f4f2;
  position: relative;
  padding: 0 0 18px;
}
.lst-pipehead::after {
  content: "";
  display: block;
  height: 14px;
  background:
    repeating-linear-gradient(90deg, #9aa8a6 0 10px, #c4783a 10px 14px, #9aa8a6 14px 28px);
}
.lst-pipe-in {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 18px 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 28px;
  align-items: flex-end;
  justify-content: space-between;
}
.lst-id {
  display: flex;
  gap: 12px;
  align-items: center;
  color: inherit;
  text-decoration: none;
}
.lst-id strong {
  display: block;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.lst-id small {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #9ec9c6;
}
.lst-who {
  margin: 0;
  font-size: 13px;
  color: #b7cecb;
  max-width: 28ch;
  text-align: right;
}
.lst-bays {
  max-width: 1080px;
  margin: -1px auto 0;
  padding: 0 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  background: var(--lst-sheet);
  border: 1px solid var(--lst-line);
  border-top: none;
}
.lst-bays a {
  flex: 1 1 auto;
  min-width: 92px;
  text-align: center;
  padding: 10px 8px;
  color: var(--lst-ink);
  text-decoration: none;
  font-size: 14px;
  border-right: 1px solid var(--lst-line);
}
.lst-bays a:last-child { border-right: none; }
.lst-bays a:hover { background: var(--lst-foam); }
.lst-bays a.lst-on {
  background: var(--lst-teal);
  color: #fff;
  font-weight: 700;
}
.lst-skid {
  max-width: 1080px;
  margin: 22px auto 48px;
  padding: 0 18px;
}
.lst-sheet {
  background: var(--lst-sheet);
  border: 1px solid var(--lst-line);
  border-left: 8px solid var(--lst-copper);
  padding: 28px 32px 36px;
}
.lst-h1 {
  margin: 0 0 10px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.15;
  font-weight: 750;
}
.lst-lede { color: var(--lst-mute); margin: 0 0 16px; font-size: 1.05em; }
.lst-byline {
  margin: 0 0 18px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--lst-teal);
}
.lst-prose p { margin: 0 0 14px; }
.lst-prose a { color: var(--lst-teal); }
.lst-prose h2 {
  margin: 26px 0 8px;
  font-size: 1.2em;
  color: var(--lst-tank);
}
.lst-prose ul { margin: 0 0 14px; padding-left: 1.15em; }
.lst-fig {
  margin: 16px 0 20px;
  background: #e4eeec;
  border: 1px solid var(--lst-line);
}
.lst-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 400px;
  object-fit: cover;
  object-position: center;
}
.lst-fig figcaption {
  padding: 8px 10px 10px;
  font-size: 13px;
  color: var(--lst-mute);
}
.lst-cite { display: block; font-style: normal; font-size: 11px; letter-spacing: 0.04em; }
.lst-readouts {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin: 0 0 22px;
}
.lst-readout {
  background: var(--lst-tank);
  color: #d7ebe8;
  padding: 10px 12px;
  font-size: 13px;
}
.lst-readout b { display: block; color: #fff; font-size: 18px; }
.lst-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px;
  margin: 18px 0;
}
.lst-card {
  background: var(--lst-foam);
  padding: 14px;
  border-top: 3px solid var(--lst-teal);
}
.lst-card h2 { margin: 0 0 6px; font-size: 16px; }
.lst-card p { margin: 0; font-size: 14.5px; }
.lst-table {
  width: 100%;
  border-collapse: collapse;
  margin: 12px 0 18px;
  font-size: 15.5px;
}
.lst-table th, .lst-table td {
  border: 1px solid var(--lst-line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
.lst-table th { background: var(--lst-foam); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }
.lst-note {
  background: #fff7ee;
  border-left: 4px solid var(--lst-copper);
  padding: 12px 14px;
  margin: 16px 0;
}
.lst-note p { margin: 0; }
.lst-dl dt { font-weight: 700; margin-top: 16px; }
.lst-dl dd { margin: 6px 0 0; }
.lst-sign {
  margin: 28px 0 0;
  font-size: 13px;
  color: var(--lst-teal);
}
.lst-channel {
  background: var(--lst-tank);
  color: #d5e4e2;
  padding: 28px 18px 36px;
}
.lst-channel-in { max-width: 1080px; margin: 0 auto; }
.lst-disc { margin: 0 0 14px; max-width: 72ch; }
.lst-endnav { display: flex; flex-wrap: wrap; gap: 10px 16px; margin: 0 0 14px; }
.lst-endnav a { color: #e8f4f2; }
.lst-copy { margin: 0; font-size: 14px; color: #8aa3a0; }
@media (max-width: 820px) {
  .lst-readouts, .lst-grid { grid-template-columns: 1fr; }
  .lst-who { display: none; }
  .lst-sheet { padding: 20px 16px 28px; }
  .lst-bays a { min-width: 44%; border-bottom: 1px solid var(--lst-line); }
}