:root {
  /* Typography compliance terms: Space Mono** Bold, IBM Plex Mono** Regular Medium crisp paragraphs, JetBrains Mono** SemiBold. */
  --abyss: #03131F;
  --navy: #062A3D;
  --teal: #0C6B7D;
  --cyan: #5FF3E8;
  --brass: #D6B35A;
  --foam: #E8F7F4;
  --coral: #FF6F61;
  --violet: #1A2145;
  --display: 'Space Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --body: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  --accent: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

* { box-sizing: border-box; }

html,
body {
  margin: 0;
  min-height: 100%;
  background: var(--abyss);
  color: var(--foam);
  font-family: var(--body);
  overflow: hidden;
}

button { font: inherit; }

.observatory {
  position: relative;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  background:
    radial-gradient(circle at 70% 20%, rgba(95, 243, 232, .16), transparent 28%),
    radial-gradient(circle at 24% 84%, rgba(26, 33, 69, .82), transparent 36%),
    linear-gradient(135deg, var(--abyss), var(--navy) 54%, #020b12);
}

.depth-water {
  position: absolute;
  inset: -18%;
  background:
    radial-gradient(circle at var(--x, 72%) var(--y, 34%), rgba(95, 243, 232, .11), transparent 24%),
    repeating-linear-gradient(112deg, rgba(95, 243, 232, .035) 0 1px, transparent 1px 46px);
  filter: blur(.3px);
  transition: transform 900ms ease, opacity 900ms ease;
  animation: slowCurrent 20s ease-in-out infinite alternate;
}

.grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .23;
  background-image:
    linear-gradient(rgba(232, 247, 244, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(232, 247, 244, .025) 1px, transparent 1px);
  background-size: 76px 76px, 76px 76px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}

.depth-zone {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 48%) 72px minmax(0, 52%);
  padding: clamp(18px, 3vw, 46px);
  gap: 0;
  opacity: 0;
  transform: translateY(7vh) scale(.985);
  pointer-events: none;
  transition: opacity 780ms ease, transform 780ms cubic-bezier(.2, .7, .1, 1);
}

.depth-zone.active {
  opacity: 1;
  transform: translateY(0) scale(1);
  pointer-events: auto;
}

.depth-zone::before {
  content: attr(data-depth);
  position: absolute;
  top: 22px;
  right: 34px;
  color: rgba(214, 179, 90, .68);
  font-family: var(--accent);
  font-size: 12px;
  letter-spacing: .22em;
}

.split {
  position: relative;
  min-width: 0;
  display: flex;
  align-items: center;
}

.ledgerside { justify-content: flex-end; padding-right: clamp(18px, 3vw, 54px); }
.bayside { justify-content: flex-start; padding-left: clamp(18px, 3vw, 54px); }
.wide-ledger { padding-right: clamp(12px, 2vw, 34px); }
.narrow-bay { padding-left: clamp(12px, 2vw, 34px); }

.gasket-panel {
  position: relative;
  border: 1px solid rgba(95, 243, 232, .38);
  background: linear-gradient(145deg, rgba(6, 42, 61, .73), rgba(3, 19, 31, .55));
  box-shadow: inset 0 0 34px rgba(95, 243, 232, .05), 0 24px 80px rgba(0, 0, 0, .38);
}

.gasket-panel::before,
.gasket-panel::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  pointer-events: none;
}

.gasket-panel::before {
  border: 2px solid transparent;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent) border-box;
  mask: linear-gradient(#000 0 0) padding-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: .55;
  animation: borderSeal 4.5s linear infinite;
}

.gasket-panel::after {
  inset: 10px;
  border: 1px dashed rgba(214, 179, 90, .32);
}

.ledger-panel {
  width: min(540px, 100%);
  min-height: 560px;
  padding: clamp(28px, 4vw, 54px);
  border-radius: 34px;
}

.microline,
.object-label,
.quiet-label,
.callout {
  color: var(--brass);
  font-family: var(--accent);
  font-size: 11px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  color: var(--foam);
  font-family: var(--display);
  font-weight: 700;
  line-height: .94;
  letter-spacing: -.055em;
}

h1 {
  margin-top: 46px;
  font-size: clamp(42px, 7vw, 86px);
  text-shadow: 0 0 24px rgba(95, 243, 232, .16);
}

h2 { margin-top: 38px; font-size: clamp(34px, 5vw, 70px); }

.cursor { color: var(--cyan); animation: blink 780ms steps(2, start) infinite; }
.statement,
.ledger-panel p:not(.microline) {
  margin: 30px 0 0;
  max-width: 42ch;
  color: rgba(232, 247, 244, .78);
  font-size: clamp(14px, 1.2vw, 17px);
  line-height: 1.8;
}

.manifest-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  margin-top: 44px;
  padding-top: 24px;
  border-top: 1px solid rgba(95, 243, 232, .24);
}

.manifest-grid span,
.manifest-card span {
  color: rgba(95, 243, 232, .64);
  font-family: var(--accent);
  font-size: 11px;
  letter-spacing: .15em;
}

.manifest-grid strong,
.manifest-card strong {
  color: var(--foam);
  font-family: var(--display);
  font-size: 18px;
  letter-spacing: -.03em;
  margin-bottom: 12px;
}

.ledger-list {
  margin: 36px 0 0;
  padding: 0;
  list-style: none;
  color: rgba(232, 247, 244, .8);
}

.ledger-list li {
  padding: 14px 0 14px 28px;
  border-top: 1px solid rgba(95, 243, 232, .18);
  position: relative;
}

.ledger-list li::before { content: "✦"; position: absolute; left: 0; color: var(--brass); }

.manifest-card {
  margin-top: 24px;
  padding: 22px;
  border: 1px solid rgba(95, 243, 232, .24);
  border-radius: 22px;
  background: rgba(3, 19, 31, .46);
  display: grid;
  gap: 10px;
}

.coordinate-strip {
  margin-top: 40px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
}

.coordinate-strip b {
  padding: 16px;
  color: var(--cyan);
  border: 1px solid rgba(95, 243, 232, .2);
  border-radius: 18px;
  font-family: var(--accent);
  background: rgba(6, 42, 61, .55);
}

.final-domain {
  margin-top: 44px;
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 54px);
  color: var(--cyan);
  letter-spacing: -.05em;
}

.pressure-seam {
  align-self: stretch;
  position: relative;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(95, 243, 232, .12), rgba(214, 179, 90, .08), rgba(95, 243, 232, .12));
  border: 1px solid rgba(95, 243, 232, .42);
  box-shadow: inset 0 0 20px rgba(95, 243, 232, .25), 0 0 28px rgba(95, 243, 232, .14);
  overflow: hidden;
  animation: seamBreathe 5s ease-in-out infinite;
}

.pressure-seam::before {
  content: "";
  position: absolute;
  inset: -45% 22px;
  background: linear-gradient(180deg, transparent, var(--cyan), transparent);
  filter: blur(2px);
  animation: seamTravel 3.8s cubic-bezier(.45, 0, .2, 1) infinite;
}

.pressure-seam::after {
  content: "";
  position: absolute;
  inset: 14px 27px;
  border-left: 1px dashed rgba(232, 247, 244, .28);
  border-right: 1px dashed rgba(232, 247, 244, .28);
}

.pressure-seam span {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(90deg);
  white-space: nowrap;
  color: var(--foam);
  font-family: var(--accent);
  font-size: 10px;
  letter-spacing: .25em;
}

.bay-frame {
  width: min(720px, 100%);
  height: min(76vh, 700px);
  border-radius: 48px;
  overflow: hidden;
}

.hero-bay { display: grid; place-items: center; }

.inflated-object {
  position: absolute;
  transform-style: preserve-3d;
  background: radial-gradient(circle at 30% 22%, #ffffff 0 8%, var(--foam) 9% 26%, var(--cyan) 58%, var(--teal) 100%);
  border: 3px solid rgba(232, 247, 244, .88);
  box-shadow: inset -18px -22px 34px rgba(6, 42, 61, .62), inset 12px 10px 18px rgba(255,255,255,.36), 0 34px 64px rgba(0,0,0,.42), 0 0 40px rgba(95, 243, 232, .16);
  transition: transform 420ms ease;
  animation: objectFloat 6s ease-in-out infinite;
}

.star-compass {
  position: relative;
  width: clamp(250px, 38vw, 430px);
  height: clamp(250px, 38vw, 430px);
  border-radius: 50%;
  transform: scale(.12);
  animation: inflateCompass 1400ms cubic-bezier(.17, .9, .15, 1.2) 240ms forwards, objectFloat 6s ease-in-out 1.7s infinite;
}

.ring { position: absolute; border-radius: 50%; border: 2px solid rgba(3, 19, 31, .36); }
.ring-outer { inset: 12%; }
.ring-inner { inset: 31%; border-color: rgba(214, 179, 90, .55); }
.star-shape { position: absolute; inset: 0; display: grid; place-items: center; color: var(--brass); font-size: clamp(90px, 12vw, 170px); text-shadow: 0 4px 0 rgba(3, 19, 31, .24); }
.needle { position: absolute; left: 50%; top: 10%; width: 3px; height: 80%; background: rgba(3, 19, 31, .35); transform-origin: center; }
.needle-e { transform: rotate(90deg); }

.callout { position: absolute; background: rgba(3,19,31,.68); border: 1px solid rgba(214,179,90,.35); padding: 10px 12px; border-radius: 999px; }
.callout-top { top: 15%; right: 9%; }
.callout-bottom { bottom: 13%; left: 10%; color: var(--cyan); }

.constellation { position: absolute; inset: 10%; background: linear-gradient(32deg, transparent 19%, rgba(214,179,90,.38) 20% 20.5%, transparent 21% 45%, rgba(214,179,90,.28) 46% 46.5%, transparent 47%); opacity: .7; }
.constellation::before { content: "✦ ✦ ✦ ✦ ✦"; position: absolute; inset: 6% 0 auto 8%; color: var(--brass); letter-spacing: 52px; font-size: 18px; }

.icon-field { position: relative; width: 100%; height: 100%; }
.capsule { width: 240px; height: 150px; border-radius: 56px; left: 13%; top: 18%; }
.folder-icon span { position: absolute; left: 34px; top: -25px; width: 92px; height: 50px; border-radius: 24px 24px 8px 8px; background: inherit; border: inherit; box-shadow: inherit; }
.moon-valve { width: 158px; height: 158px; border-radius: 50%; right: 14%; top: 22%; display: grid; place-items: center; font-size: 78px; color: var(--violet); animation-delay: -1s; }
.gauge-icon { width: 210px; height: 210px; border-radius: 50%; left: 34%; bottom: 13%; }
.gauge-icon i { position: absolute; width: 74px; height: 7px; background: var(--coral); left: 50%; top: 52%; transform-origin: left center; transform: rotate(-35deg); border-radius: 999px; }
.object-label { position: absolute; left: 38px; bottom: 34px; color: var(--cyan); }

.tool-cluster { position: relative; }
.wrench-buoy { width: 320px; height: 120px; border-radius: 80px; left: 18%; top: 22%; transform: rotate(-22deg); }
.wrench-buoy::before, .wrench-buoy::after { content: ""; position: absolute; border-radius: 50%; background: var(--navy); border: 12px solid rgba(232,247,244,.75); }
.wrench-buoy::before { width: 90px; height: 90px; left: -22px; top: 8px; }
.wrench-buoy::after { width: 72px; height: 72px; right: -14px; top: 19px; }
.bracket-seal, .cursor-anchor { display: grid; place-items: center; color: var(--violet); font-family: var(--display); }
.bracket-seal { width: 190px; height: 190px; border-radius: 46px; right: 15%; top: 36%; font-size: 72px; animation-delay: -2s; }
.cursor-anchor { width: 145px; height: 145px; border-radius: 50%; left: 24%; bottom: 13%; font-size: 58px; color: var(--coral); animation-delay: -3.2s; }

.celestial-map { display: grid; place-items: center; }
.map-svg { width: 88%; height: 88%; filter: drop-shadow(0 0 24px rgba(95, 243, 232, .12)); }
.orbit { fill: none; stroke: rgba(95, 243, 232, .25); stroke-width: 3; stroke-dasharray: 8 14; animation: orbitSpin 30s linear infinite; transform-origin: center; }
.orbit.thin { stroke: rgba(214, 179, 90, .28); stroke-width: 2; animation-direction: reverse; }
.starline { fill: none; stroke: var(--brass); stroke-width: 3; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 900; stroke-dashoffset: 900; animation: drawStar 2.4s ease forwards; }
.pins circle { fill: var(--brass); stroke: var(--foam); stroke-width: 3; }
.satellite { width: 116px; height: 116px; border-radius: 34px; right: 18%; bottom: 17%; display: grid; place-items: center; color: var(--violet); font-size: 48px; }

.final-constellation { position: relative; display: grid; place-items: center; }
.final-orbit { width: min(480px, 68%); aspect-ratio: 1; border: 1px dashed rgba(214, 179, 90, .42); border-radius: 50%; box-shadow: inset 0 0 40px rgba(95, 243, 232, .08); }
.final-icon { width: 118px; height: 118px; border-radius: 50%; display: grid; place-items: center; color: var(--violet); font-size: 46px; }
.final-icon.one { top: 17%; left: 24%; }
.final-icon.two { top: 22%; right: 22%; animation-delay: -1s; }
.final-icon.three { bottom: 20%; right: 28%; animation-delay: -2s; }
.final-icon.four { bottom: 23%; left: 20%; color: var(--coral); animation-delay: -3s; }
.quiet-label { position: absolute; bottom: 34px; }

.zone-rail {
  position: fixed;
  z-index: 20;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: 14px;
}

.zone-dot {
  width: 14px;
  height: 14px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(95, 243, 232, .6);
  background: rgba(3, 19, 31, .86);
  color: var(--foam);
  cursor: pointer;
  position: relative;
}

.zone-dot span {
  position: absolute;
  left: 25px;
  top: 50%;
  transform: translateY(-50%);
  white-space: nowrap;
  color: rgba(232, 247, 244, .55);
  font-family: var(--accent);
  font-size: 10px;
  letter-spacing: .12em;
  opacity: 0;
  transition: opacity 220ms ease;
}

.zone-dot.active { background: var(--cyan); box-shadow: 0 0 20px rgba(95, 243, 232, .8); }
.zone-dot.active span, .zone-dot:hover span { opacity: 1; }

body.sealing .gasket-panel::before { opacity: 1; animation-duration: .9s; }
body.sealing .pressure-seam { box-shadow: inset 0 0 34px rgba(95, 243, 232, .45), 0 0 60px rgba(95, 243, 232, .35); }

@keyframes blink { 50% { opacity: 0; } }
@keyframes slowCurrent { from { transform: translate3d(-1%, -1%, 0) rotate(-1deg); } to { transform: translate3d(2%, 1%, 0) rotate(1deg); } }
@keyframes borderSeal { 0% { filter: hue-rotate(0deg); opacity: .35; } 50% { opacity: .9; } 100% { filter: hue-rotate(80deg); opacity: .35; } }
@keyframes seamBreathe { 0%,100% { transform: scaleX(1); } 50% { transform: scaleX(1.22); } }
@keyframes seamTravel { from { transform: translateY(-40%); } to { transform: translateY(80%); } }
@keyframes inflateCompass { from { transform: scale(.12); border-width: 1px; filter: saturate(.5); } 72% { transform: scale(1.08); } to { transform: scale(1); border-width: 3px; filter: saturate(1); } }
@keyframes objectFloat { 0%, 100% { translate: 0 0; } 50% { translate: 0 -18px; } }
@keyframes orbitSpin { to { transform: rotate(360deg); } }
@keyframes drawStar { to { stroke-dashoffset: 0; } }

@media (max-width: 900px) {
  body { overflow: auto; }
  .observatory { min-height: 100vh; height: auto; overflow: visible; }
  .depth-zone { position: relative; min-height: 100vh; grid-template-columns: 1fr; padding: 58px 20px; opacity: 1; transform: none; pointer-events: auto; }
  .pressure-seam { height: 48px; margin: 18px 0; }
  .pressure-seam span { transform: translate(-50%, -50%); }
  .ledgerside, .bayside, .wide-ledger, .narrow-bay { padding: 0; justify-content: center; }
  .ledger-panel { min-height: auto; }
  .bay-frame { height: 58vh; }
  .zone-rail { display: none; }
}