:root {
  --burgundy: #6E1626;
  --cream: #F4E6C8;
  --ink: #111111;
  --oxblood: #3A0712;
  --yellow: #F2C94C;
  --bubble: #9FD7E8;
  --pink: #DFA0A8;
  --graphite: #2B2B2B;
  --line: 3px;
  --shadow: 10px;
  --gutter: clamp(10px, 1.3vw, 18px);
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  font-family: "IBM Plex Sans", Inter, Arial, sans-serif;
  background: var(--burgundy);
  color: var(--ink);
  overflow-x: hidden;
}

button { font: inherit; color: inherit; }

.reading-chamber {
  min-height: 100vh;
  position: relative;
  padding: clamp(72px, 9vw, 112px) var(--gutter) var(--gutter);
  background:
    radial-gradient(circle at 78% 85%, rgba(159, 215, 232, .25) 0 12%, transparent 13%),
    linear-gradient(90deg, rgba(17,17,17,.38) var(--line), transparent var(--line)) 0 0 / 6.25% 100%,
    linear-gradient(0deg, rgba(17,17,17,.22) var(--line), transparent var(--line)) 0 0 / 100% 78px,
    var(--burgundy);
}

.grid-field {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent calc(100% - 5px), var(--ink) calc(100% - 5px)) 0 0 / 25% 100%,
    repeating-linear-gradient(0deg, transparent 0 23px, rgba(244,230,200,.14) 24px 25px);
  mix-blend-mode: multiply;
  opacity: .55;
}

.redacted-nav {
  position: fixed;
  z-index: 20;
  top: 10px;
  left: var(--gutter);
  right: var(--gutter);
  display: grid;
  grid-template-columns: repeat(5, minmax(110px, 1fr));
  gap: 8px;
}

.nav-card {
  position: relative;
  min-height: 46px;
  border: var(--line) solid var(--ink);
  background: var(--cream);
  box-shadow: 5px 5px 0 var(--ink);
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(18px, 2vw, 28px);
  letter-spacing: .04em;
  text-align: left;
  padding: 6px 10px;
  cursor: pointer;
  transition: transform .15s steps(2), background .15s linear, box-shadow .15s steps(2);
}

.nav-card span {
  display: block;
  height: 9px;
  margin-bottom: 3px;
  background: var(--ink);
}

.nav-card.active, .nav-card:hover {
  background: var(--yellow);
  transform: translate(4px, 4px);
  box-shadow: 1px 1px 0 var(--ink);
}

.evidence-wall {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(16, minmax(0, 1fr));
  grid-auto-rows: minmax(64px, auto);
  gap: var(--gutter);
  min-height: calc(100vh - 96px);
}

.card, .bib-card {
  position: relative;
  border: var(--line) solid var(--ink);
  background: var(--cream);
  box-shadow: var(--shadow) var(--shadow) 0 var(--oxblood), calc(var(--shadow) + 4px) calc(var(--shadow) + 4px) 0 var(--ink);
  padding: clamp(16px, 2vw, 26px);
  transform: translateY(24px) rotate(var(--tilt, 0deg));
  opacity: 0;
  animation: cardLand .55s steps(3) forwards;
  transition: filter .25s linear, transform .2s steps(2), box-shadow .2s steps(2), background .2s linear;
}

.card:hover, .card.is-focused, .bib-card:hover, .bib-card.is-focused {
  z-index: 12;
  filter: blur(0) saturate(1.2);
  transform: translate(3px, 3px) rotate(0deg) scale(1.015);
  box-shadow: 5px 5px 0 var(--oxblood), 9px 9px 0 var(--ink);
}

.evidence-wall.has-focus .focusable:not(.is-focused) { filter: blur(3px); }

@keyframes cardLand {
  0% { opacity: 0; transform: translateY(-36px) rotate(-2deg); }
  65% { opacity: 1; transform: translateY(8px) rotate(var(--tilt, 0deg)); }
  100% { opacity: 1; transform: translateY(0) rotate(var(--tilt, 0deg)); }
}

.citation-tab {
  position: absolute;
  top: -18px;
  left: 18px;
  border: var(--line) solid var(--ink);
  background: var(--pink);
  padding: 2px 10px;
  font-family: "IBM Plex Sans", Inter, sans-serif;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: .08em;
}

.index-number {
  position: absolute;
  top: 8px;
  right: 12px;
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: clamp(44px, 7vw, 92px);
  line-height: .8;
  color: var(--burgundy);
  opacity: .28;
}

h1, h2 {
  margin: 0;
  font-family: "Bebas Neue", Impact, sans-serif;
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: .82;
}

h1 { font-size: clamp(72px, 13vw, 210px); animation: titleSnap .7s steps(2) .25s both; }
h2 { font-size: clamp(42px, 6vw, 86px); max-width: 9ch; }

@keyframes titleSnap {
  0% { transform: scale(1.18) rotate(-3deg); filter: blur(5px); }
  100% { transform: scale(1) rotate(0); filter: blur(0); }
}

.micro, .metadata {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.excerpt, .scholar-note, .hidden-phrase {
  font-family: "Libre Baskerville", Georgia, serif;
  font-size: clamp(16px, 1.6vw, 23px);
  line-height: 1.45;
}

.scholar-note { font-style: italic; }

.wordmark-card { grid-column: 1 / span 9; grid-row: span 4; --tilt: -1deg; animation-delay: .05s; }
.taxonomy-card { grid-column: 10 / span 4; grid-row: span 3; --tilt: 1deg; animation-delay: .16s; }
.footnote-card { grid-column: 2 / span 5; grid-row: span 3; --tilt: 1.5deg; animation-delay: .22s; }
.bibliography-stack { grid-column: 14 / span 3; grid-row: 1 / span 7; display: grid; gap: 10px; align-content: start; }
.erratum-card { grid-column: 7 / span 4; grid-row: span 3; --tilt: -1.4deg; animation-delay: .3s; }
.sealed-card { grid-column: 11 / span 3; grid-row: span 4; --tilt: .8deg; animation-delay: .38s; }
.ink-card { grid-column: 1 / span 5; grid-row: span 3; background: var(--graphite); color: var(--cream); --tilt: -1deg; animation-delay: .44s; }
.closing-card { grid-column: 6 / span 8; grid-row: span 3; background: var(--burgundy); color: var(--cream); --tilt: 1deg; animation-delay: .5s; }

.bib-card {
  min-height: 116px;
  padding: 14px;
  background: var(--cream);
  animation-delay: calc(.12s * var(--n, 1));
}

.bib-card:nth-child(1) { --n: 1; transform: rotate(1deg); }
.bib-card:nth-child(2) { --n: 2; transform: rotate(-1.5deg); background: var(--pink); }
.bib-card:nth-child(3) { --n: 3; transform: rotate(.5deg); }
.bib-card:nth-child(4) { --n: 4; transform: rotate(-.7deg); background: var(--yellow); }
.bib-card b { font-family: "Bebas Neue", Impact, sans-serif; font-size: 44px; display: block; }
.bib-card span { font-family: "Libre Baskerville", Georgia, serif; }

.stamp, .stamp-button {
  display: inline-block;
  border: var(--line) solid var(--burgundy);
  color: var(--burgundy);
  padding: 8px 12px;
  transform: rotate(-5deg);
  font-family: "Bebas Neue", Impact, sans-serif;
  font-size: 34px;
  letter-spacing: .06em;
  background: transparent;
}

.stamp-button { cursor: pointer; background: var(--yellow); box-shadow: 5px 5px 0 var(--ink); }
.stamp-button.is-stamped { transform: rotate(0) scale(1.08); background: var(--burgundy); color: var(--cream); border-color: var(--ink); }

.redaction { width: 82%; height: 22px; background: var(--ink); box-shadow: 36px 32px 0 var(--ink); margin-top: 24px; }
.proof-mark { font-family: "Bebas Neue"; font-size: 120px; color: var(--yellow); text-shadow: 4px 4px 0 var(--ink); }
.ink-dots i { display: inline-block; width: 22px; height: 22px; border-radius: 50%; background: var(--burgundy); border: var(--line) solid var(--ink); margin-right: 12px; }

.bubble-field { position: fixed; inset: 0; z-index: 30; pointer-events: none; }
.bubble {
  position: absolute;
  border: var(--line) solid var(--ink);
  border-radius: 48% 52% 45% 55%;
  background: rgba(159, 215, 232, .62);
  box-shadow: inset 12px 14px 0 rgba(244,230,200,.65), 7px 8px 0 rgba(17,17,17,.85);
  backdrop-filter: blur(5px) contrast(1.25) saturate(1.35);
  display: grid;
  place-items: center;
  font-family: "Bebas Neue", Impact, sans-serif;
  color: var(--burgundy);
  letter-spacing: .08em;
  animation: bubbleDrift 7s ease-in-out infinite alternate;
}

.bubble-one { width: 150px; height: 124px; left: 42%; top: 62%; }
.bubble-two { width: 104px; height: 132px; left: 8%; top: 72%; animation-delay: -2s; }
.bubble-three { width: 190px; height: 112px; right: 15%; top: 48%; animation-delay: -4s; }
.bubble-cursor { width: 92px; height: 92px; left: 50%; top: 50%; opacity: .8; transform: translate3d(-50%, -50%, 0); }

@keyframes bubbleDrift {
  from { margin-top: -12px; margin-left: 8px; border-radius: 58% 42% 51% 49%; }
  to { margin-top: 18px; margin-left: -12px; border-radius: 42% 58% 46% 54%; }
}

.reading-chamber.step-1 .taxonomy-card,
.reading-chamber.step-2 .ink-card,
.reading-chamber.step-3 .erratum-card,
.reading-chamber.step-4 .sealed-card,
.reading-chamber.step-4 .closing-card { background: var(--yellow); color: var(--ink); }

.reading-chamber.is-inverted { background: var(--cream); }
.reading-chamber.is-inverted .grid-field { opacity: .8; }

@media (max-width: 900px) {
  .redacted-nav { grid-template-columns: repeat(2, 1fr); position: relative; top: auto; left: auto; right: auto; margin-bottom: 28px; }
  .reading-chamber { padding-top: var(--gutter); }
  .evidence-wall { display: block; }
  .card, .bibliography-stack { margin-bottom: 28px; }
  .bibliography-stack { display: grid; }
  .bubble-cursor { display: none; }
}