:root {
  --black: #080312;
  --purple: #19102B;
  --magenta: #FF4FD8;
  --cyan: #00E7FF;
  --lime: #B6FF2E;
  --bubble: #FFB3E6;
  --paper: #E7D8B8;
  --gray: #5A5368;
  --accent: var(--magenta);
  --side: 22vw;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--black);
  color: var(--paper);
  font-family: "IBM Plex Mono", monospace;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    repeating-linear-gradient(0deg, rgba(231,216,184,.035) 0 1px, transparent 1px 4px),
    radial-gradient(circle at 82% 12%, rgba(255,79,216,.2), transparent 24vw),
    radial-gradient(circle at 42% 86%, rgba(0,231,255,.14), transparent 28vw);
  mix-blend-mode: screen;
  z-index: 20;
}

.index-spine {
  position: fixed;
  inset: 0 auto 0 0;
  width: var(--side);
  min-width: 280px;
  z-index: 10;
  padding: 28px 24px;
  background:
    linear-gradient(90deg, rgba(8,3,18,.96), rgba(25,16,43,.9)),
    repeating-linear-gradient(90deg, transparent 0 31px, rgba(231,216,184,.11) 31px 32px);
  border-right: 1px solid rgba(0,231,255,.45);
  box-shadow: 12px 0 45px rgba(0,0,0,.55), inset -1px 0 0 rgba(255,79,216,.45);
  overflow: hidden;
}

.spine-glass {
  position: absolute;
  inset: 16px 18px;
  border: 1px solid rgba(231,216,184,.16);
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(255,179,230,.08), rgba(0,231,255,.035));
  pointer-events: none;
}

.archive-mark, .chapter-tabs, .measure-block, .spine-note, .cap-diagram, .bookmark-ribbons { position: relative; }

.micro-label {
  display: inline-block;
  color: var(--cyan);
  font: 600 10px/1 "Space Grotesk", sans-serif;
  letter-spacing: .22em;
  border: 1px solid rgba(0,231,255,.48);
  border-radius: 999px;
  padding: 7px 10px;
  background: rgba(0,231,255,.06);
}

.archive-mark strong {
  display: block;
  margin-top: 14px;
  color: var(--bubble);
  font-family: "Bungee Inline", cursive;
  font-size: clamp(27px, 2.7vw, 43px);
  line-height: .92;
  letter-spacing: -.05em;
  transform: skew(-4deg);
  text-shadow: 2px 0 var(--magenta), -2px 0 var(--cyan), 0 7px 20px rgba(255,79,216,.35);
}

.cap-diagram {
  width: 116px;
  height: 116px;
  margin: 20px auto 16px;
  animation: rotateSpecimen 18s linear infinite;
  filter: drop-shadow(0 0 18px rgba(0,231,255,.32));
}

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

.chapter-tabs {
  display: grid;
  gap: 12px;
  margin-top: 18px;
}

.chapter-link {
  color: var(--paper);
  text-decoration: none;
  min-height: 45px;
  display: grid;
  grid-template-columns: 42px 1fr;
  align-items: end;
  gap: 10px;
  padding: 0 0 8px;
  border-bottom: 1px solid rgba(90,83,104,.7);
  position: relative;
  opacity: .78;
  transition: color .35s ease, opacity .35s ease, transform .35s ease;
}

.chapter-link::after, .underline-draw::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 2px;
  width: 100%;
  background: linear-gradient(90deg, var(--magenta), var(--cyan), var(--lime));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .75s cubic-bezier(.2,.8,.15,1);
  box-shadow: 0 0 12px currentColor;
}

.chapter-link:hover::after, .chapter-link.active::after, .underline-draw.drawn::after { transform: scaleX(1); }

.chapter-link span {
  font: 400 25px/1 "Bungee Inline", cursive;
  color: var(--gray);
}

.chapter-link em {
  font: italic 600 17px/1.1 "Cormorant Garamond", serif;
  letter-spacing: .04em;
}

.chapter-link.active {
  color: var(--accent);
  opacity: 1;
  transform: translateX(7px);
  text-shadow: 0 0 16px color-mix(in srgb, var(--accent), transparent 35%);
}

.chapter-link.active span { color: var(--bubble); }
.chapter-link.redacted em { filter: blur(3px); }
.chapter-link.revealed em { filter: none; }

.bookmark-ribbons {
  display: flex;
  gap: 12px;
  height: 86px;
  margin: 18px 0 8px 28px;
}
.bookmark-ribbons i { width: 12px; border-radius: 0 0 10px 10px; background: var(--magenta); opacity: .76; box-shadow: 0 0 18px var(--magenta); }
.bookmark-ribbons i:nth-child(2) { height: 60px; background: var(--cyan); box-shadow: 0 0 18px var(--cyan); }
.bookmark-ribbons i:nth-child(3) { height: 36px; background: var(--lime); box-shadow: 0 0 18px var(--lime); }

.measure-block { margin-top: auto; font-size: 11px; color: var(--paper); }
.measure-head { display: flex; justify-content: space-between; color: var(--cyan); letter-spacing: .12em; }
.ruled-scale { position: relative; height: 180px; margin: 12px 0; border-left: 1px solid var(--paper); background: repeating-linear-gradient(0deg, rgba(231,216,184,.5) 0 1px, transparent 1px 18px); }
.ruled-scale span { position: absolute; left: -7px; top: 0; width: 14px; height: 14px; background: var(--accent); box-shadow: 0 0 16px var(--accent); }
.repeat-gauge { color: var(--lime); line-height: 1.6; overflow: hidden; white-space: nowrap; }
.spine-note { margin-top: 18px; padding-bottom: 6px; color: var(--gray); font-size: 11px; }
.underline-draw { position: relative; display: inline-block; }

.folio-stage { margin-left: var(--side); min-height: 100vh; background: var(--black); }
.folio {
  min-height: 100vh;
  position: relative;
  padding: 8vh 6vw 8vh 8vw;
  overflow: hidden;
  display: grid;
  grid-template-columns: minmax(260px, .9fr) minmax(320px, 1.1fr);
  align-items: center;
  gap: 5vw;
  isolation: isolate;
}
.folio::before {
  content: "";
  position: absolute;
  inset: 4vh 3vw;
  border: 1px solid rgba(231,216,184,.16);
  background: linear-gradient(120deg, rgba(25,16,43,.7), transparent 52%, rgba(255,179,230,.05));
  z-index: -2;
}
.folio::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--mx, 65%) var(--my, 30%), color-mix(in srgb, var(--accent), transparent 80%), transparent 28vw);
  opacity: .75;
  z-index: -3;
}

.folio[data-accent="magenta"] { --accent: var(--magenta); }
.folio[data-accent="cyan"] { --accent: var(--cyan); }
.folio[data-accent="lime"] { --accent: var(--lime); }

.repeat-field, .sequence-columns, .vanish-stack {
  position: absolute;
  color: color-mix(in srgb, var(--accent), transparent 44%);
  font-size: 12px;
  letter-spacing: .22em;
  z-index: -1;
  text-shadow: 0 0 12px var(--accent);
}
.repeat-field { top: 13vh; right: 4vw; width: 58vw; white-space: nowrap; opacity: .58; }
.repeat-field.mid { top: auto; bottom: 18vh; width: 42vw; }
.sequence-columns { inset: 9vh auto auto 8vw; display: flex; gap: 34px; opacity: .42; line-height: 2.5; }

.photo-plate {
  position: relative;
  min-height: 52vh;
  border: 1px solid rgba(231,216,184,.24);
  border-radius: 28px 6px 34px 6px;
  background: rgba(90,83,104,.24);
  box-shadow: 22px 22px 0 rgba(255,79,216,.09), -16px -10px 0 rgba(0,231,255,.08), inset 0 0 50px rgba(0,0,0,.62);
  filter: grayscale(1) contrast(1.25);
  mix-blend-mode: screen;
  overflow: hidden;
  animation: plateDrift 8s ease-in-out infinite alternate;
}
@keyframes plateDrift { to { transform: translateY(-12px) rotate(.4deg); } }
.photo-plate::before, .photo-plate::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, transparent 0 5px, rgba(231,216,184,.08) 5px 6px), radial-gradient(circle at 30% 28%, rgba(231,216,184,.5), transparent 16%), linear-gradient(135deg, rgba(231,216,184,.1), rgba(8,3,18,.8));
}
.photo-plate::after { transform: translate(9px,-5px); background: inherit; opacity: .28; box-shadow: inset 16px 0 var(--cyan), inset -16px 0 var(--magenta); mix-blend-mode: screen; }
.photo-plate p { position: absolute; left: 18px; bottom: 14px; z-index: 2; margin: 0; color: var(--paper); font-size: 10px; letter-spacing: .16em; text-transform: uppercase; }
.scan-object { position: absolute; inset: 10%; z-index: 1; opacity: .78; }
.thesis-box { border: 4px solid var(--paper); border-radius: 8px; transform: perspective(500px) rotateX(18deg) rotateZ(-5deg); background: linear-gradient(135deg, transparent 45%, rgba(231,216,184,.55) 46% 50%, transparent 51%), rgba(25,16,43,.7); }
.lens-shadow { border-radius: 50%; border: 22px solid rgba(231,216,184,.42); box-shadow: inset 0 0 0 28px rgba(8,3,18,.8), 0 0 0 14px rgba(90,83,104,.55); }
.hand-plate { clip-path: polygon(18% 74%, 35% 28%, 46% 21%, 57% 57%, 78% 38%, 87% 48%, 65% 84%); background: var(--paper); box-shadow: 20px 0 var(--cyan), -20px 0 var(--magenta); }
.shelves { background: repeating-linear-gradient(90deg, rgba(231,216,184,.55) 0 18px, rgba(8,3,18,.4) 18px 31px), repeating-linear-gradient(0deg, transparent 0 56px, rgba(231,216,184,.7) 56px 60px); }
.full-bleed { grid-column: 1 / 3; min-height: 68vh; opacity: .75; }

.text-sheet {
  position: relative;
  max-width: 680px;
  padding: clamp(28px, 4vw, 56px);
  border: 1px solid rgba(231,216,184,.22);
  border-radius: 10px 34px 10px 34px;
  background: linear-gradient(135deg, rgba(25,16,43,.86), rgba(8,3,18,.72));
  box-shadow: inset 0 0 0 1px rgba(255,179,230,.08), 0 24px 80px rgba(0,0,0,.46);
  backdrop-filter: blur(8px);
}
.hero-sheet { grid-column: 1 / 3; justify-self: end; width: min(920px, 78vw); }
.narrow-sheet { margin-top: 18vh; }
.offset-sheet { position: absolute; right: 9vw; top: 17vh; width: min(540px, 44vw); }
.manuscript-sheet { order: -1; }
.final-sheet { grid-column: 1 / 3; justify-self: end; width: min(760px, 66vw); }

.folio-number {
  position: absolute;
  right: 24px;
  top: 14px;
  font: 400 clamp(38px, 6vw, 92px)/1 "Bungee Inline", cursive;
  color: rgba(255,179,230,.2);
  text-shadow: 2px 0 var(--magenta), -2px 0 var(--cyan);
}
.endcaps { color: var(--lime); letter-spacing: .28em; font-size: 12px; margin-bottom: 14px; }
h1 {
  margin: 0 0 22px;
  font-family: "Bungee Inline", cursive;
  font-size: clamp(58px, 10vw, 150px);
  line-height: .78;
  letter-spacing: -.08em;
  color: var(--bubble);
  transform: skew(-5deg);
  text-shadow: 3px 0 var(--magenta), -3px 0 var(--cyan), 0 12px 34px rgba(255,79,216,.42);
}
h2 {
  margin: 0 0 20px;
  color: var(--paper);
  font: italic 700 clamp(42px, 6vw, 86px)/.9 "Cormorant Garamond", serif;
  letter-spacing: -.04em;
}
p { font-size: clamp(14px, 1.15vw, 18px); line-height: 1.8; }
.lede { max-width: 740px; color: var(--paper); }
mark { background: rgba(182,255,46,.14); color: var(--lime); padding: 0 5px; }
blockquote { margin: 28px 0; color: var(--bubble); font: italic 600 clamp(24px, 3vw, 42px)/1.05 "Cormorant Garamond", serif; }
.annotation, .caption, .last-line { padding-bottom: 7px; color: var(--accent); }
.terminal-cursor, .inline-cursor { display: inline-block; width: 13px; height: 18px; background: var(--lime); box-shadow: 0 0 18px var(--lime); animation: blink 1s steps(1) infinite; }
.terminal-cursor { position: absolute; right: 8vw; bottom: 10vh; }
@keyframes blink { 50% { opacity: 0; } }

.margin-note, .ghost-notes {
  color: var(--paper);
  font-size: 12px;
  border-left: 1px solid var(--accent);
  padding-left: 14px;
  background: rgba(8,3,18,.55);
}
.note-a { align-self: end; max-width: 280px; }
.ghost-notes { display: grid; gap: 22px; }
.ghost-notes b { font: 400 32px/1 "Bungee Inline", cursive; color: var(--accent); margin-right: 10px; }
.shelf-marks { position: absolute; right: 4vw; top: 15vh; display: grid; gap: 20px; }
.shelf-marks i { width: 74px; height: 4px; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); }
.vanish-stack { right: 6vw; top: 18vh; display: grid; gap: 20px; justify-items: end; font-size: clamp(12px, 1.4vw, 18px); }
.vanish-stack span { display: block; transition: transform .8s ease, opacity .8s ease; }
.ending.active .vanish-stack span:nth-child(2) { transform: translateX(24px); opacity: .8; }
.ending.active .vanish-stack span:nth-child(3) { transform: translateX(48px); opacity: .62; }
.ending.active .vanish-stack span:nth-child(4) { transform: translateX(72px); opacity: .44; }
.ending.active .vanish-stack span:nth-child(5) { transform: translateX(96px); opacity: .28; }
small { color: var(--gray); letter-spacing: .08em; }

@media (max-width: 980px) {
  :root { --side: 0px; }
  .index-spine { position: relative; width: 100%; min-width: 0; min-height: 100vh; }
  .folio-stage { margin-left: 0; }
  .folio { grid-template-columns: 1fr; padding: 8vh 6vw; }
  .hero-sheet, .full-bleed, .final-sheet { grid-column: auto; width: auto; }
  .offset-sheet { position: relative; right: auto; top: auto; width: auto; }
  h1 { font-size: clamp(50px, 16vw, 100px); }
}