:root {
  /* Design typography audit: Space Grotesk** Grotesk* Grotes is the crisp wordmark voice; IBM Plex Mono appears sparingly for transaction IDs. */
  --deep-ink: #06151A;
  --aero-cyan: #8EE8F2;
  --mint-glow: #B7F7D1;
  --receipt-ivory: #F4E9CF;
  --stamp-red: #E24A3B;
  --nickel: #9BA7A2;
  --teal-shadow: #0E4A4F;
  --coin-gold: #D6AF5A;
  --space: "Space Grotesk", Inter, sans-serif;
  --fraunces: "Fraunces", Georgia, serif;
  --mono: "IBM Plex Mono", monospace;
  --inter: Inter, sans-serif;
}

* { box-sizing: border-box; }

html { background: var(--deep-ink); scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--receipt-ivory);
  font-family: var(--inter);
  overflow-x: hidden;
  background:
    radial-gradient(circle at 78% 12%, rgba(142,232,242,.2), transparent 26rem),
    radial-gradient(circle at 22% 68%, rgba(183,247,209,.15), transparent 34rem),
    linear-gradient(125deg, var(--deep-ink), #082029 48%, var(--teal-shadow));
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(244,233,207,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(244,233,207,.025) 1px, transparent 1px);
  background-size: 46px 46px;
  mix-blend-mode: screen;
  z-index: 1;
}

.laboratory-shell { position: relative; isolation: isolate; }

.inspection-rail {
  position: fixed;
  left: 22px;
  top: 5vh;
  width: 90px;
  height: 90vh;
  z-index: 20;
  color: var(--nickel);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: .12em;
}

.rail-line {
  position: absolute;
  left: 17px;
  top: 0;
  bottom: 0;
  width: 8px;
  border-radius: 999px;
  background: linear-gradient(90deg, #56605d, var(--nickel), var(--coin-gold), #57615d);
  box-shadow: 0 0 18px rgba(214,175,90,.35), inset 0 0 10px rgba(6,21,26,.8);
}

.rail-cap {
  position: absolute;
  left: 3px;
  top: -18px;
  width: 36px;
  height: 36px;
  border: 3px solid var(--coin-gold);
  border-radius: 50%;
  background: radial-gradient(circle, var(--nickel), var(--teal-shadow));
}

.rail-notch {
  position: absolute;
  left: 6px;
  width: 32px;
  height: 32px;
  border: 2px solid var(--nickel);
  border-radius: 50%;
  background: var(--deep-ink);
  transition: transform .4s ease, border-color .4s ease, background .4s ease;
}

.rail-notch:nth-of-type(3) { top: 6%; }
.rail-notch:nth-of-type(4) { top: 22%; }
.rail-notch:nth-of-type(5) { top: 39%; }
.rail-notch:nth-of-type(6) { top: 56%; }
.rail-notch:nth-of-type(7) { top: 73%; }
.rail-notch:nth-of-type(8) { top: 89%; }

.rail-notch span {
  position: absolute;
  left: 42px;
  top: 7px;
  opacity: .7;
}

.rail-notch.active {
  border-color: var(--mint-glow);
  background: radial-gradient(circle, var(--mint-glow), var(--teal-shadow));
  transform: scale(1.18);
  box-shadow: 0 0 25px rgba(183,247,209,.55);
}

.route-map {
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 600vh;
  pointer-events: none;
  z-index: 3;
}

.specimen-path {
  fill: none;
  stroke: rgba(142,232,242,.56);
  stroke-width: 38;
  stroke-linecap: round;
  filter: url(#tubeGlow);
}

.path-shadow {
  fill: none;
  stroke: rgba(244,233,207,.28);
  stroke-width: 12;
  stroke-dasharray: 20 32;
  stroke-linecap: round;
  animation: tubeDash 14s linear infinite;
}

@keyframes tubeDash { to { stroke-dashoffset: -420; } }

.vivarium-stage {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 10vh 7vw 10vh 150px;
  overflow: hidden;
}

.vivarium-stage::before {
  content: "";
  position: absolute;
  inset: 6vh 5vw 6vh 120px;
  border: 1px solid rgba(142,232,242,.24);
  border-radius: 38px;
  background: linear-gradient(130deg, rgba(142,232,242,.1), rgba(244,233,207,.035) 44%, rgba(14,74,79,.22));
  box-shadow: inset 0 0 48px rgba(142,232,242,.13), 0 30px 90px rgba(0,0,0,.35);
  backdrop-filter: blur(5px);
  transform: rotate(var(--stage-tilt, 0deg));
}

.opening-stage { --stage-tilt: -.8deg; }
.final-stage { --stage-tilt: .9deg; }

.glass-chamber {
  position: relative;
  z-index: 8;
  width: min(760px, 72vw);
  padding: clamp(2rem, 5vw, 5rem);
  border: 1px solid rgba(142,232,242,.62);
  border-radius: 44px;
  background: linear-gradient(145deg, rgba(142,232,242,.18), rgba(6,21,26,.54) 42%, rgba(183,247,209,.08));
  box-shadow: inset 0 1px 0 rgba(244,233,207,.35), inset 0 -22px 50px rgba(14,74,79,.34), 0 35px 110px rgba(6,21,26,.72);
}

.offer-chamber { margin-left: 8vw; transform: rotate(-1.4deg); }
.handshake-chamber { margin-left: 18vw; transform: rotate(1.8deg); }
.authorization-chamber { margin-right: 16vw; transform: rotate(-.7deg); }
.settlement-chamber { margin-left: 12vw; transform: rotate(1.1deg); }
.reconciliation-chamber { margin-right: 12vw; transform: rotate(-1.8deg); }
.afterglow-chamber { margin-left: 5vw; transform: rotate(.6deg); }

h1, h2 {
  margin: 0;
  font-family: var(--space);
  line-height: .88;
  letter-spacing: -.065em;
  text-shadow: 0 0 28px rgba(183,247,209,.36);
}

h1 { font-size: clamp(4.1rem, 13vw, 12rem); color: rgba(244,233,207,.88); }
h2 { font-size: clamp(4rem, 11vw, 10rem); color: var(--mint-glow); }

p { font-size: clamp(1rem, 1.6vw, 1.35rem); line-height: 1.65; max-width: 54ch; }

.field-note, .field-aphorism {
  font-family: var(--fraunces);
  font-size: clamp(1.6rem, 3vw, 3.4rem);
  line-height: 1.08;
  color: var(--receipt-ivory);
}

.field-aphorism {
  position: absolute;
  right: 8vw;
  bottom: 12vh;
  z-index: 9;
  max-width: 460px;
  transform: rotate(-6deg);
  text-shadow: 0 0 20px rgba(6,21,26,.7);
}

.ledger-crumb {
  font-family: var(--mono);
  color: var(--coin-gold);
  font-size: .78rem;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.inspection-label {
  position: absolute;
  z-index: 10;
  width: min(330px, 32vw);
  padding: 1rem 1.15rem;
  color: var(--deep-ink);
  background: linear-gradient(135deg, rgba(244,233,207,.96), rgba(214,175,90,.82));
  border: 1px solid rgba(6,21,26,.5);
  border-radius: 6px;
  box-shadow: 0 14px 30px rgba(0,0,0,.3);
  font-family: var(--mono);
}

.inspection-label::before {
  content: "";
  position: absolute;
  top: -10px;
  left: 38px;
  width: 64px;
  height: 18px;
  border-radius: 12px;
  background: rgba(142,232,242,.55);
  box-shadow: inset 0 0 10px rgba(255,255,255,.55);
}

.inspection-label span {
  display: block;
  color: var(--stamp-red);
  text-transform: uppercase;
  letter-spacing: .16em;
  margin-bottom: .5rem;
}

.inspection-label b { display: block; font-family: var(--space); font-size: 1.25rem; }
.inspection-label small { display: block; margin-top: .75rem; line-height: 1.45; }
.tilted { transform: rotate(-4deg); }
.left-label { left: 11vw; bottom: 11vh; }
.right-label { right: 8vw; top: 14vh; transform: rotate(3deg); }
.lower { top: auto; bottom: 12vh; }
.closing-label { right: 12vw; bottom: 14vh; transform: rotate(5deg); }

.transfer-tube {
  position: absolute;
  z-index: 4;
  border: 20px solid rgba(142,232,242,.28);
  box-shadow: inset 0 0 22px rgba(244,233,207,.23), 0 0 30px rgba(142,232,242,.18);
  pointer-events: none;
}

.waiting-tube {
  width: 68vw;
  height: 130px;
  right: -12vw;
  top: 18vh;
  border-radius: 999px;
  border-left-color: rgba(183,247,209,.46);
}

.loop-one {
  width: 48vw;
  height: 48vw;
  left: 8vw;
  top: 18vh;
  border-radius: 50%;
  border-right-color: transparent;
  animation: breatheTube 5s ease-in-out infinite;
}

@keyframes breatheTube { 50% { box-shadow: inset 0 0 35px rgba(183,247,209,.32), 0 0 48px rgba(142,232,242,.32); } }

.valve-wheel {
  position: absolute;
  left: 12%;
  top: 50%;
  width: 86px;
  height: 86px;
  margin-top: -43px;
  border: 9px double var(--coin-gold);
  border-radius: 50%;
  background: radial-gradient(circle, var(--nickel) 6%, transparent 8%), conic-gradient(var(--coin-gold), var(--nickel), var(--teal-shadow), var(--coin-gold));
  transition: transform 1.2s cubic-bezier(.2,.9,.2,1);
}

body.released .valve-wheel { transform: rotate(260deg) scale(.94); }

.transaction-specimen {
  position: fixed;
  left: 50%;
  top: 50%;
  width: 124px;
  height: 74px;
  z-index: 15;
  transform: translate(-50%, -50%);
  pointer-events: auto;
}

.outer-shell {
  position: absolute;
  inset: 9px 4px;
  border: 2px solid rgba(244,233,207,.75);
  border-radius: 999px;
  background: radial-gradient(circle at 34% 45%, var(--mint-glow) 0 9px, transparent 10px), linear-gradient(90deg, rgba(142,232,242,.9), rgba(183,247,209,.45), rgba(244,233,207,.18));
  box-shadow: inset 0 0 18px rgba(255,255,255,.55), 0 0 30px rgba(183,247,209,.65);
  animation: specimenPulse 2.4s ease-in-out infinite;
}

@keyframes specimenPulse { 50% { transform: scale(1.06); filter: hue-rotate(8deg); } }

.payload-bead, .consent-seal, .settlement-tail { position: absolute; display: block; }
.payload-bead { left: 28px; top: 18px; width: 22px; height: 22px; border-radius: 50%; background: var(--mint-glow); box-shadow: 0 0 18px var(--mint-glow); }
.consent-seal { right: 32px; top: 17px; width: 18px; height: 24px; border-radius: 45%; background: var(--stamp-red); transform: rotate(12deg); }
.settlement-tail { right: -18px; top: 22px; width: 34px; height: 10px; border-radius: 999px; background: linear-gradient(90deg, var(--coin-gold), transparent); }
.risk-halo { position: absolute; inset: -10px -20px; border: 1px dashed var(--aero-cyan); border-radius: 50%; animation: counterRotate 8s linear infinite; }
.audit-shadow { position: absolute; left: 18px; right: 0; bottom: -8px; height: 22px; border-radius: 50%; background: rgba(6,21,26,.55); filter: blur(7px); }

@keyframes counterRotate { to { transform: rotate(-360deg); } }

.anatomy-card {
  position: absolute;
  left: 105px;
  top: -20px;
  width: 260px;
  padding: .75rem;
  border: 1px solid var(--aero-cyan);
  border-radius: 12px;
  background: rgba(6,21,26,.88);
  color: var(--receipt-ivory);
  font-family: var(--mono);
  font-size: .72rem;
  line-height: 1.4;
  opacity: 0;
  transform: translateX(-12px) scale(.96);
  transition: opacity .25s ease, transform .25s ease;
}

.transaction-specimen:hover .anatomy-card { opacity: 1; transform: translateX(0) scale(1); }
.anatomy-card b { display: block; color: var(--mint-glow); margin-bottom: .35rem; }

.receipt-ribbon {
  position: absolute;
  z-index: 6;
  padding: .8rem 2rem;
  background: repeating-linear-gradient(90deg, var(--receipt-ivory), var(--receipt-ivory) 18px, #e7d7b6 19px, var(--receipt-ivory) 31px);
  color: var(--teal-shadow);
  font-family: var(--mono);
  letter-spacing: .08em;
  white-space: nowrap;
  box-shadow: 0 16px 40px rgba(0,0,0,.28);
}

.diagonal { right: -6vw; bottom: 25vh; transform: rotate(-10deg); animation: receiptDrift 10s linear infinite; }
.vertical { right: 16vw; top: 4vh; writing-mode: vertical-rl; height: 88vh; animation: receiptDriftY 13s linear infinite; }
@keyframes receiptDrift { 50% { translate: -90px 12px; } }
@keyframes receiptDriftY { 50% { translate: 0 -70px; } }

.stamp-mark {
  position: absolute;
  z-index: 11;
  left: 18vw;
  bottom: 19vh;
  width: 210px;
  height: 92px;
  border: 6px double var(--stamp-red);
  border-radius: 16px;
  background: rgba(244,233,207,.12);
  color: var(--stamp-red);
  font-family: var(--space);
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: .05em;
  transform: rotate(-13deg);
  cursor: pointer;
  box-shadow: 0 0 0 900px transparent;
  transition: transform .35s cubic-bezier(.16,1,.3,1), color .35s ease, border-color .35s ease;
}

.stamp-mark[data-state="reversed"] { color: var(--coin-gold); border-color: var(--coin-gold); transform: rotate(10deg) scale(.96); }

.carbon-ghost {
  position: absolute;
  z-index: 6;
  color: rgba(244,233,207,.22);
  font-family: var(--fraunces);
  font-size: 7vw;
  transform: rotate(-12deg);
  animation: ghostDrift 7s ease-in-out infinite;
}

.ghost-a { right: 6vw; bottom: 12vh; }
@keyframes ghostDrift { 50% { translate: -45px -24px; opacity: .35; } }

.mechanical-gate {
  position: absolute;
  right: 23vw;
  top: 22vh;
  width: 150px;
  height: 150px;
  border: 12px solid var(--nickel);
  border-radius: 50%;
  background: repeating-conic-gradient(from 0deg, transparent 0 18deg, rgba(214,175,90,.55) 19deg 28deg);
  z-index: 5;
}

.counter-spin { animation: counterRotate 10s linear infinite; }

.escrow-jar {
  position: absolute;
  z-index: 7;
  right: 13vw;
  top: 18vh;
  width: 160px;
  height: 210px;
  border: 3px solid rgba(142,232,242,.75);
  border-top: 16px solid var(--nickel);
  border-radius: 22px 22px 42px 42px;
  background: linear-gradient(rgba(142,232,242,.14), rgba(183,247,209,.09));
  box-shadow: inset 0 -35px 60px rgba(183,247,209,.16), 0 0 34px rgba(142,232,242,.2);
}

.escrow-jar span { position: absolute; width: 42px; height: 42px; border-radius: 50%; border: 4px solid var(--coin-gold); animation: bubble 4s ease-in-out infinite; }
.escrow-jar span:nth-child(1) { left: 28px; bottom: 28px; }
.escrow-jar span:nth-child(2) { right: 26px; bottom: 58px; animation-delay: .8s; }
.escrow-jar span:nth-child(3) { left: 62px; bottom: 110px; animation-delay: 1.4s; }
@keyframes bubble { 50% { translate: 0 -22px; scale: .86; opacity: .68; } }

.barcode-ladder {
  position: absolute;
  left: 18vw;
  top: 12vh;
  width: 140px;
  height: 72vh;
  background: repeating-linear-gradient(90deg, var(--receipt-ivory) 0 5px, transparent 5px 13px, var(--nickel) 13px 18px, transparent 18px 29px);
  opacity: .22;
  transform: rotate(8deg);
}

.coin-rim {
  position: absolute;
  z-index: 4;
  border-radius: 50%;
  border: 18px double var(--coin-gold);
  opacity: .48;
  animation: rimSpin 18s linear infinite;
}
.rim-a { width: 420px; height: 420px; left: 12vw; top: 9vh; }
.rim-b { width: 250px; height: 250px; right: 9vw; bottom: 17vh; animation-direction: reverse; }
@keyframes rimSpin { to { transform: rotate(360deg); } }

.magnifier {
  position: absolute;
  z-index: 14;
  left: 58vw;
  top: 25vh;
  width: 170px;
  height: 170px;
  border: 9px solid var(--nickel);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, rgba(244,233,207,.35), rgba(142,232,242,.18) 42%, rgba(6,21,26,.18));
  box-shadow: inset 0 0 28px rgba(244,233,207,.22), 0 18px 40px rgba(0,0,0,.32);
  cursor: grab;
}

.magnifier::after {
  content: "";
  position: absolute;
  width: 90px;
  height: 18px;
  right: -64px;
  bottom: 4px;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--nickel), var(--coin-gold));
  transform: rotate(45deg);
  transform-origin: left center;
}

.hidden-ledger {
  position: absolute;
  z-index: 7;
  left: 30vw;
  bottom: 25vh;
  color: rgba(183,247,209,.2);
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: .1em;
  transition: color .25s ease, text-shadow .25s ease;
}

.hidden-ledger.refracted { color: var(--mint-glow); text-shadow: 0 0 18px var(--mint-glow); }

.afterimage-archive {
  position: absolute;
  inset: 14vh 12vw;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  transform: rotate(-2deg);
}

.archive-strip {
  border: 1px solid rgba(183,247,209,.45);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(183,247,209,.22), rgba(142,232,242,.08), transparent);
  box-shadow: inset 0 0 28px rgba(183,247,209,.14);
  animation: archiveGlow 3s ease-in-out infinite;
}
.archive-strip:nth-child(2) { animation-delay: .5s; }
.archive-strip:nth-child(3) { animation-delay: 1s; }
.archive-strip:nth-child(4) { animation-delay: 1.5s; }
@keyframes archiveGlow { 50% { opacity: .45; transform: scaleY(.94); } }

.condensation {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 52% 36%, rgba(244,233,207,.12) 0 1px, transparent 2px), radial-gradient(circle at 40% 55%, rgba(142,232,242,.1) 0 1px, transparent 2px);
  background-size: 28px 33px, 45px 37px;
  opacity: .7;
  z-index: 2;
}

.stage-visible .glass-chamber { animation: chamberArrive .9s cubic-bezier(.16,1,.3,1) both; }
.stage-visible .inspection-label { animation: labelPin .8s cubic-bezier(.16,1,.3,1) .22s both; }

@keyframes chamberArrive { from { opacity: .35; transform: translateY(30px) rotate(var(--arrive-rotate, 0deg)) scale(.98); } }
@keyframes labelPin { from { opacity: 0; translate: 0 28px; } }

@media (max-width: 820px) {
  .inspection-rail { left: 6px; transform: scale(.82); transform-origin: left top; }
  .vivarium-stage { padding: 8vh 5vw 8vh 76px; }
  .vivarium-stage::before { inset: 5vh 4vw 5vh 64px; }
  .glass-chamber { width: 86vw; padding: 2rem; }
  .inspection-label { width: 64vw; left: 20vw; right: auto; bottom: 7vh; top: auto; }
  .field-aphorism { left: 22vw; right: 4vw; }
  .transaction-specimen { scale: .78; }
}