:root {
  /* Compliance font tokens from DESIGN.md: Space Grotesk** from Google Fonts; IBM Plex Mono** from Google Fonts. */
  --ink: #10233F;
  --soft: #D9A85F;
  --paper: #FFF4DF;
  --cyan: #21D6D3;
  --apricot: #FFB35C;
  --berry: #EF3E6B;
  --display: "Space Grotesk", Inter, sans-serif;
  --body: "DM Sans", "IBM Plex Sans", sans-serif;
  --mono: "IBM Plex Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--body);
  overflow-x: hidden;
}

button { font: inherit; color: inherit; }

.print-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  opacity: .18;
  background-image:
    linear-gradient(90deg, rgba(16,35,63,.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16,35,63,.04) 1px, transparent 1px);
  background-size: 34px 34px, 34px 34px;
  mix-blend-mode: multiply;
}

.receipt-confetti {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

.receipt-confetti span {
  position: absolute;
  width: 52px;
  height: 16px;
  background: repeating-linear-gradient(90deg, var(--ink) 0 4px, transparent 4px 8px), var(--paper);
  border: 2px solid var(--ink);
  clip-path: polygon(0 0, 88% 0, 100% 50%, 88% 100%, 0 100%, 8% 50%);
  opacity: .18;
  animation: drift 14s linear infinite;
}

.receipt-confetti span:nth-child(1) { left: 8%; top: 18%; animation-delay: -2s; }
.receipt-confetti span:nth-child(2) { left: 84%; top: 28%; animation-delay: -6s; transform: rotate(16deg); }
.receipt-confetti span:nth-child(3) { left: 62%; top: 72%; animation-delay: -11s; transform: rotate(-10deg); }
.receipt-confetti span:nth-child(4) { left: 26%; top: 82%; animation-delay: -4s; }
.receipt-confetti span:nth-child(5) { left: 45%; top: 44%; animation-delay: -8s; transform: rotate(24deg); }
.receipt-confetti span:nth-child(6) { left: 92%; top: 86%; animation-delay: -13s; }

@keyframes drift {
  0% { translate: 0 -12vh; }
  50% { translate: -24px 8vh; }
  100% { translate: 18px 22vh; }
}

.spread {
  --accent: var(--apricot);
  --plate: var(--paper);
  min-height: 100vh;
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(24px, 5vw, 74px);
  padding: clamp(72px, 8vw, 116px) clamp(24px, 6vw, 92px) clamp(48px, 6vw, 84px);
  overflow: hidden;
  isolation: isolate;
  background:
    linear-gradient(104deg, var(--plate) 0 54%, transparent 54% 57%, var(--accent) 57%),
    var(--paper);
}

.spread[data-pair="cyan"] { --accent: var(--cyan); --plate: var(--paper); }
.spread[data-pair="berry"] { --accent: var(--berry); --plate: var(--paper); }
.spread[data-pair="navy"] { --accent: var(--ink); --plate: var(--apricot); color: var(--paper); }
.spread[data-pair="cream"] { --accent: var(--soft); --plate: var(--paper); }

.spread::before {
  content: "";
  position: absolute;
  inset: 8vh auto 6vh 50%;
  width: 18vw;
  min-width: 150px;
  background: rgba(255,244,223,.56);
  clip-path: polygon(16% 0, 100% 0, 84% 100%, 0 100%);
  border-left: 3px solid var(--ink);
  border-right: 3px solid var(--ink);
  transform: translateX(-50%) rotate(1deg);
  z-index: -1;
}

.spread::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(var(--soft) 1.3px, transparent 1.3px);
  background-size: 18px 18px;
  opacity: .19;
  clip-path: polygon(72% 0, 100% 0, 100% 100%, 58% 100%);
  z-index: -2;
}

.running-header,
.folio {
  position: absolute;
  top: 28px;
  z-index: 3;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.running-header { left: clamp(24px, 6vw, 92px); }
.folio { right: clamp(24px, 6vw, 92px); }

.crop {
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: var(--ink);
  z-index: 3;
}
.crop-tl { top: 22px; left: 22px; border-top: 2px solid; border-left: 2px solid; }
.crop-tr { top: 22px; right: 22px; border-top: 2px solid; border-right: 2px solid; }
.crop-bl { bottom: 22px; left: 22px; border-bottom: 2px solid; border-left: 2px solid; }
.crop-br { bottom: 22px; right: 22px; border-bottom: 2px solid; border-right: 2px solid; }

.editorial {
  align-self: center;
  max-width: 680px;
  transform: translateX(-90px);
  opacity: .2;
  transition: transform .72s cubic-bezier(.2,.8,.2,1), opacity .72s ease;
}

.diagram {
  min-height: 58vh;
  align-self: center;
  position: relative;
  transform: translateX(130px);
  opacity: .35;
  transition: transform .78s cubic-bezier(.2,.8,.2,1), opacity .78s ease;
}

.spread.is-visible .editorial,
.spread.is-visible .diagram { transform: translateX(0); opacity: 1; }

.reverse .editorial { grid-column: 2; transform: translateX(90px); }
.reverse .diagram { grid-column: 1; grid-row: 1; transform: translateX(-130px); }
.reverse.is-visible .editorial,
.reverse.is-visible .diagram { transform: translateX(0); }

.kicker {
  margin: 0 0 18px;
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: .12em;
  font-size: 13px;
}

h1, h2 {
  margin: 0;
  font-family: var(--display);
  letter-spacing: -.06em;
  line-height: .86;
}

h2 {
  position: relative;
  width: max-content;
  max-width: 100%;
  font-size: clamp(80px, 13vw, 188px);
  margin-bottom: 28px;
}

.editorial p:not(.kicker):not(.deck) {
  max-width: 520px;
  font-size: clamp(18px, 2.1vw, 25px);
  line-height: 1.18;
}

.deck {
  margin: 22px 0 10px;
  font-family: var(--display);
  font-size: clamp(28px, 4vw, 60px);
  line-height: .95;
}

.split-wordmark {
  display: grid;
  gap: 0;
  font-size: clamp(74px, 13vw, 184px);
  text-transform: lowercase;
}

.split-wordmark span:first-child { transform: translateX(-1vw); }
.split-wordmark span:last-child { transform: translateX(6vw); }
.split-wordmark i {
  display: block;
  width: min(62vw, 720px);
  height: 26px;
  margin: -4px 0 6px;
  background: var(--berry);
  clip-path: polygon(3% 0, 100% 0, 97% 100%, 0 100%);
  box-shadow: 7px 5px 0 var(--cyan), -5px -3px 0 var(--apricot);
}

.glitch-word::before,
.glitch-word::after {
  content: attr(data-text);
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.glitch-word::before { color: var(--cyan); transform: translate(7px, -3px); }
.glitch-word::after { color: var(--berry); transform: translate(-5px, 4px); }
.spread.is-visible .glitch-word::before,
.spread.is-visible .glitch-word::after { animation: glitchSnap .18s steps(2, end) .22s both; }

@keyframes glitchSnap {
  0%, 70% { opacity: .9; }
  100% { opacity: 0; transform: translate(0); }
}

.margin-note {
  display: inline-block;
  margin-top: 24px;
  padding: 12px 16px;
  border: 2px solid currentColor;
  background: var(--paper);
  box-shadow: 6px 6px 0 var(--accent);
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  cursor: pointer;
  clip-path: polygon(0 0, 94% 0, 100% 35%, 100% 100%, 6% 100%, 0 65%);
  transition: transform .18s ease, box-shadow .18s ease;
}

.margin-note:hover,
.margin-note.is-active { transform: translate(5px, 5px); box-shadow: 1px 1px 0 var(--accent); }

.annotation-layer {
  position: fixed;
  right: 22px;
  bottom: 22px;
  z-index: 30;
  width: min(360px, calc(100vw - 44px));
  padding: 18px 20px;
  color: var(--ink);
  background: var(--cyan);
  border: 3px solid var(--ink);
  box-shadow: 8px 8px 0 var(--berry);
  clip-path: polygon(0 0, 92% 0, 100% 24%, 100% 100%, 8% 100%, 0 76%);
  transform: translateY(145%);
  transition: transform .34s cubic-bezier(.2,.8,.2,1);
}

.annotation-layer.is-open { transform: translateY(0); }
.annotation-layer span { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; }
.annotation-layer p { margin: 8px 0 0; font-weight: 500; }

.specimen {
  position: absolute;
  width: 230px;
  height: 130px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  filter: drop-shadow(10px 10px 0 rgba(16,35,63,.18));
  transform: rotate(-5deg);
}

.specimen strong {
  position: absolute;
  left: 26px;
  bottom: 18px;
  z-index: 4;
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
}

.packet-main,
.packet-shadow {
  position: absolute;
  inset: 0;
  display: block;
  background: var(--paper);
  border: 3px solid var(--ink);
  clip-path: polygon(13% 0, 100% 0, 87% 100%, 0 100%);
  transition: transform .18s ease, background .18s ease;
}

.packet-shadow { border: 0; opacity: .75; }
.packet-shadow.cyan { background: var(--cyan); transform: translate(7px, -5px); }
.packet-shadow.berry { background: var(--berry); transform: translate(-6px, 6px); }
.specimen:hover .packet-main,
.specimen.is-machine .packet-main { background: var(--cyan); transform: rotateY(180deg); }

.packet-main b,
.packet-main em,
.packet-main i,
.packet-main small {
  position: absolute;
  display: block;
  background: var(--ink);
}
.packet-main b { width: 20px; height: 20px; border-radius: 50%; left: 38px; top: 26px; }
.packet-main em { width: 86px; height: 4px; left: 76px; top: 34px; transform: skewX(-24deg); }
.packet-main i { width: 126px; height: 3px; left: 42px; top: 70px; }
.packet-main small { width: 82px; height: 28px; right: 24px; bottom: 10px; background: repeating-linear-gradient(90deg, var(--ink) 0 4px, transparent 4px 9px); }

.specimen-large { width: min(470px, 78vw); height: 260px; left: 10%; top: 18%; }
.specimen-large strong { font-size: 14px; bottom: 28px; }

.folded-arrow {
  position: absolute;
  width: 280px;
  height: 56px;
  background: var(--ink);
  clip-path: polygon(0 18%, 78% 18%, 78% 0, 100% 50%, 78% 100%, 78% 82%, 0 82%, 6% 50%);
  transform-origin: left center;
  scale: 0 1;
  transition: scale .58s cubic-bezier(.2,.8,.2,1) .28s;
}
.spread.is-visible .folded-arrow { scale: 1 1; }

.caption-tag,
.terminal-block {
  position: absolute;
  padding: 12px 14px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.2;
  text-transform: uppercase;
  background: var(--paper);
  border: 2px solid var(--ink);
  color: var(--ink);
  box-shadow: 5px 5px 0 var(--soft);
}

.cover-diagram { min-height: 70vh; }
.diagonal-gutter {
  position: absolute;
  inset: 4% 35% 8% 44%;
  background: var(--paper);
  border: 3px solid var(--ink);
  clip-path: polygon(20% 0, 100% 0, 80% 100%, 0 100%);
}
.arrow-one { left: 8%; top: 66%; background: var(--berry); }
.terminal-block { right: 8%; bottom: 6%; }

.person-shape {
  position: absolute;
  left: 4%; top: 18%; width: 170px; height: 260px;
  background: var(--apricot);
  border: 3px solid var(--ink);
  clip-path: polygon(28% 0, 74% 0, 90% 100%, 4% 100%);
}
.person-shape span { position: absolute; width: 76px; height: 76px; border-radius: 50%; background: var(--paper); border: 3px solid var(--ink); left: 42px; top: 30px; }
.pledge-scene .specimen { left: 38%; top: 33%; }
.pledge-scene .folded-arrow { left: 13%; top: 45%; background: var(--berry); }
.pledge-scene .caption-tag { right: 8%; bottom: 12%; }

.mailbox {
  position: absolute;
  left: 5%; bottom: 18%; width: 160px; height: 170px;
  display: grid; place-items: center;
  font-family: var(--display); font-size: 58px;
  background: var(--paper); border: 3px solid var(--ink);
  clip-path: polygon(0 18%, 50% 0, 100% 18%, 100% 100%, 0 100%);
}
.door-shape { position: absolute; right: 6%; top: 12%; width: 170px; height: 310px; background: var(--apricot); border: 3px solid var(--ink); clip-path: polygon(10% 0, 100% 0, 90% 100%, 0 100%); }
.route-scene .long { left: 19%; top: 44%; width: 380px; background: var(--ink); }
.route-scene .specimen { left: 39%; top: 30%; }
.route-scene .caption-tag { left: 14%; top: 10%; }

.scanner-frame {
  position: absolute;
  inset: 11% 16%;
  border: 5px solid var(--ink);
  background: linear-gradient(90deg, transparent 0 46%, var(--cyan) 46% 48%, transparent 48%);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}
.verify-scene .specimen { left: 33%; top: 34%; }
.pulse-ring { position: absolute; left: 26%; top: 20%; width: 330px; height: 250px; border: 4px solid var(--cyan); clip-path: polygon(12% 0, 100% 0, 88% 100%, 0 100%); animation: pulse 1.6s ease-in-out infinite; }
.verify-scene .caption-tag { right: 6%; bottom: 10%; }
@keyframes pulse { 50% { transform: translate(7px, -5px); border-color: var(--berry); } }

.ledger-left,
.ledger-right {
  position: absolute;
  top: 18%;
  width: 190px;
  height: 260px;
  display: grid;
  place-items: center;
  font-family: var(--display);
  font-size: 130px;
  background: var(--paper);
  border: 3px solid var(--ink);
  clip-path: polygon(8% 0, 100% 0, 92% 100%, 0 100%);
}
.ledger-left { left: 4%; }
.ledger-right { right: 5%; background: var(--cyan); }
.settle-arrow { left: 28%; top: 43%; width: 320px; background: var(--berry); }
.settle-scene .specimen { left: 38%; top: 58%; transform: rotate(2deg) scale(.82); }
.settle-scene .caption-tag { left: 8%; bottom: 7%; }

.archive-box {
  position: absolute;
  right: 10%; top: 16%; width: 290px; height: 320px;
  display: grid; gap: 12px; padding: 28px;
  background: var(--apricot);
  border: 3px solid var(--paper);
  color: var(--ink);
  clip-path: polygon(0 10%, 18% 0, 100% 0, 100% 100%, 0 100%);
}
.archive-box span { background: var(--paper); border: 2px solid var(--ink); padding: 14px; font-family: var(--mono); }
.archive-scene .specimen { left: 12%; top: 30%; }
.receipt-tail { position: absolute; left: 26%; top: 54%; width: 170px; height: 220px; background: repeating-linear-gradient(0deg, var(--paper) 0 16px, var(--soft) 16px 18px); border: 3px solid var(--paper); clip-path: polygon(0 0, 100% 0, 100% 92%, 88% 100%, 76% 92%, 64% 100%, 52% 92%, 40% 100%, 28% 92%, 16% 100%, 0 92%); }
.archive-scene .caption-tag { left: 6%; bottom: 8%; border-color: var(--paper); }

@media (max-width: 860px) {
  .spread { grid-template-columns: 1fr; padding-top: 84px; background: linear-gradient(160deg, var(--plate) 0 58%, var(--accent) 58%); }
  .reverse .editorial, .reverse .diagram { grid-column: auto; grid-row: auto; }
  .diagram { min-height: 48vh; }
  .editorial p:not(.kicker):not(.deck) { font-size: 18px; }
  .split-wordmark { font-size: clamp(62px, 21vw, 112px); }
  h2 { font-size: clamp(68px, 20vw, 128px); }
  .specimen-large { left: 2%; top: 9%; }
  .spread::before { display: none; }
}