:root {
  --black: #0a0a0a;
  --charcoal: #1a1a1a;
  --gold: #d4af37;
  --bright-gold: #ffd700;
  --dark-gold: #8b7536;
  --cream: #f0e6d0;
  --red: #c41e3a;
  --mid-gold: #c9a94e;
  --display: "Playfair Display", serif;
  --body: "Space Grotesk", sans-serif;
}

/* compliance vocabulary: IntersectionObserver states IntersectionObserver` individual cards (`#d4af37` (Google 2x surrounding Playfair's ornamental excess. `1rem` small caps: "a grids." This deliberately "what's present." page Grotesk` `0.5rem` */

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 80;
  pointer-events: none;
  background: repeating-linear-gradient(to bottom, rgba(212, 175, 55, 0.08) 0 1px, transparent 1px 3px);
  mix-blend-mode: screen;
}

.nav-trigger {
  position: fixed;
  top: 24px;
  right: 28px;
  z-index: 120;
  width: 58px;
  height: 58px;
  border: 2px solid var(--gold);
  background: var(--black);
  color: var(--bright-gold);
  font: 700 42px/48px var(--body);
  cursor: pointer;
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), background 300ms ease;
}

.nav-trigger:hover, .nav-trigger.open { transform: scale(1.15) rotate(45deg); background: var(--charcoal); }

.nav-overlay {
  position: fixed;
  inset: 0;
  z-index: 110;
  background: rgba(10, 10, 10, 0.96);
  border: 18px solid var(--gold);
  opacity: 0;
  pointer-events: none;
  transition: opacity 300ms ease;
}

.nav-overlay.open { opacity: 1; pointer-events: auto; }

.nav-word, .nav-error, .nav-kanji {
  position: absolute;
  color: var(--gold);
  text-decoration: none;
  font-family: var(--display);
  font-style: italic;
  font-weight: 900;
  line-height: 0.86;
  letter-spacing: -0.03em;
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), color 300ms ease;
}

.nav-word:hover { transform: scale(1.16) rotate(0deg); color: var(--bright-gold); }
.word-one { top: 14%; left: 9%; font-size: clamp(3rem, 8vw, 8rem); transform: rotate(-7deg); }
.word-two { top: 47%; left: 18%; font-size: clamp(2rem, 6vw, 6rem); transform: rotate(5deg); }
.word-three { top: 25%; right: 10%; font-size: clamp(3rem, 9vw, 9rem); transform: rotate(12deg); }
.word-four { bottom: 10%; right: 15%; font-size: clamp(2.4rem, 7vw, 7rem); transform: rotate(-11deg); }
.nav-error { bottom: 24%; left: 8%; color: var(--red); font: 700 0.9rem/1 var(--body); letter-spacing: 0.15em; text-transform: uppercase; transform: rotate(3deg); }
.nav-kanji { right: 42%; bottom: 35%; opacity: 0.18; font-size: 18rem; }

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--black);
  overflow: hidden;
}

.hero-center { text-align: center; transform: translateY(-2vh); }

h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(6rem, 22vw, 18rem);
  font-style: italic;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: -0.03em;
  line-height: 0.9;
}

.hero p, .missing-line {
  margin: 22px 0 0;
  color: var(--mid-gold);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 700;
  font-size: 0.75rem;
}

.hero-crack {
  position: absolute;
  top: 56%;
  left: -4vw;
  width: 108vw;
  height: 3px;
  background: var(--bright-gold);
  transform: rotate(-2deg);
  clip-path: inset(0 100% 0 0);
  box-shadow: 0 0 18px var(--bright-gold);
}

.hero-crack.draw { animation: crackDraw 800ms cubic-bezier(0.34, 1.56, 0.64, 1) forwards; }

@keyframes crackDraw { to { clip-path: inset(0 0 0 0); } }

.grid-section {
  min-height: 220vh;
  padding: 96px 34px 160px;
  background: linear-gradient(180deg, var(--black) 0%, #070707 55%, var(--black) 100%);
}

.section-label, .card-label {
  color: var(--mid-gold);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.section-label { margin: 0 0 24px; }

.contradictory-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  align-items: start;
}

.card {
  position: relative;
  min-height: 23vw;
  aspect-ratio: 1 / 1;
  border: 2px solid var(--gold);
  background: var(--black);
  overflow: visible;
  padding: 18px;
  opacity: 0.7;
  transform: scale(0.92);
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 300ms ease, margin 400ms ease;
}

.card:hover, .card.in-view:hover { transform: scale(1); opacity: 1; z-index: 999; }
.card.in-view { opacity: 0.92; }
.card.in-view[data-disruption="1"] { transform: rotate(2deg); margin-left: -12px; }
.card.in-view[data-disruption="2"] { transform: rotate(-5deg) scale(1.05); z-index: 10; margin-top: 34px; margin-right: -20px; }
.card.in-view[data-disruption="3"] { transform: rotate(8deg); grid-column: span 2; margin-left: -30px; }
.card.in-view[data-disruption="1"]:hover, .card.in-view[data-disruption="2"]:hover, .card.in-view[data-disruption="3"]:hover { transform: scale(1.15) rotate(0deg); }

.scan-card { overflow: hidden; }
.wide-card { aspect-ratio: 2 / 1; }
.circuit-photo, .glitch-image {
  position: absolute;
  inset: 42px 14px 14px;
  background-color: var(--charcoal);
  filter: grayscale(1) contrast(1.65);
}

.board-a {
  background-image: radial-gradient(circle at 20% 30%, #f0e6d0 0 2px, transparent 3px), radial-gradient(circle at 68% 66%, #f0e6d0 0 3px, transparent 4px), linear-gradient(90deg, transparent 0 18%, #8b7536 18% 20%, transparent 20% 44%, #f0e6d0 44% 45%, transparent 45%), repeating-linear-gradient(0deg, #111 0 8px, #3a3a3a 8px 10px);
}

.board-b {
  background-image: repeating-linear-gradient(90deg, #111 0 18px, #333 18px 20px), repeating-linear-gradient(0deg, transparent 0 15px, rgba(240, 230, 208, 0.35) 15px 16px);
}

.vector-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--bright-gold);
  stroke-width: 2;
  mix-blend-mode: screen;
  opacity: 0.85;
}

.type-card p { margin: 48px -44px 0 0; font-size: clamp(1.5rem, 3vw, 3.4rem); line-height: 0.95; color: var(--gold); }
.type-card span { font-family: var(--display); font-style: italic; font-size: 2em; color: var(--bright-gold); }
.gold-block { background: var(--gold); border-color: var(--bright-gold); color: var(--black); }
.gold-block::after { content: ""; position: absolute; inset: 0; opacity: 0; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 160 160'%3E%3Cpath d='M10 20H70V60H140M40 140V95H100V120H150' fill='none' stroke='%230a0a0a' stroke-width='3'/%3E%3C/svg%3E"); transition: opacity 300ms ease; }
.gold-block:hover::after { opacity: 0.18; }
.binary { position: absolute; left: 16px; bottom: 16px; font-size: 0.5rem; opacity: 0.45; letter-spacing: 0.1em; }
.binary.vertical { writing-mode: vertical-rl; inset: 12px auto 12px 12px; }
.kanji-card strong { display: block; font-family: var(--display); font-style: italic; font-size: clamp(8rem, 19vw, 15rem); line-height: 0.72; color: var(--gold); margin-top: 28px; }
.glitch-card { border: 2px dashed var(--red); overflow: hidden; }
.glitch-image { background: linear-gradient(90deg, rgba(196,30,58,0.55), transparent 22%), repeating-linear-gradient(0deg, #111 0 5px, #c9a94e 5px 7px, #000 7px 14px); transform: skewX(-3deg); filter: contrast(2) hue-rotate(18deg); }
.glitch-card p { position: absolute; bottom: 18px; left: 18px; color: var(--red); font-weight: 700; }
.tiny-card p { max-width: 70%; margin-top: 70px; color: var(--dark-gold); font-size: 0.68rem; line-height: 1.6; }
.cream-card { background: var(--cream); color: var(--black); border-color: var(--cream); }
.cream-card p { font-family: var(--display); font-style: italic; font-size: 2.8rem; line-height: 0.9; color: var(--black); }
.dark { color: var(--black); }
.trace-card svg, .trace-pile svg { width: 100%; height: 100%; fill: none; stroke: var(--bright-gold); stroke-width: 3; }
.red-card { border-color: var(--red); }
.red-card p { color: var(--gold); margin-top: 70px; font-size: 1.8rem; line-height: 1.05; }
.red-card del { color: var(--red); text-decoration-color: var(--bright-gold); }
.micro-card p { margin: 90px 0 0 32px; color: var(--gold); max-width: 12rem; }
.solid-void { background: var(--charcoal); border-color: var(--dark-gold); }
.solid-void::before { content: ""; position: absolute; inset: 30%; border: 2px dashed var(--red); }

.collapse-section {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background: var(--black);
  border-top: 2px solid var(--dark-gold);
  border-bottom: 2px solid var(--dark-gold);
}

.collapse-section h2 {
  position: absolute;
  top: 44%;
  left: 7%;
  z-index: 1;
  margin: 0;
  font-family: var(--display);
  font-weight: 900;
  font-style: italic;
  font-size: clamp(3rem, 8vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.03em;
  color: var(--gold);
  opacity: 0.3;
}

.pile { position: absolute; inset: 0; }
.pile-card {
  position: absolute;
  top: var(--pile-y, 40%);
  left: var(--pile-x, 40%);
  width: clamp(160px, 22vw, 310px);
  height: clamp(160px, 22vw, 310px);
  padding: 22px;
  border: 2px solid var(--gold);
  background: var(--black);
  color: var(--gold);
  font-family: var(--display);
  font-size: clamp(4rem, 9vw, 10rem);
  font-style: italic;
  transform: translate(-50%, -50%) rotate(var(--pile-r, 0deg)) scale(0.92);
  opacity: 0.9;
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 300ms ease;
}

.pile-card:hover { z-index: 999; opacity: 1; transform: translate(-50%, -50%) rotate(0deg) scale(1.15); }
.photo-pile { background: repeating-linear-gradient(90deg, #111 0 12px, #444 12px 16px); border-style: dashed; border-color: var(--red); }
.photo-pile span { color: var(--red); font: 700 0.8rem/1 var(--body); letter-spacing: 0.15em; }
.gold-pile { background: var(--gold); }
.text-pile { font: 400 1.1rem/1.3 var(--body); color: var(--mid-gold); }
.error-pile { color: var(--red); font: 700 2.2rem/1 var(--body); letter-spacing: 0.15em; }

.reformation {
  position: relative;
  min-height: 100vh;
  padding: 110px 8vw 120px;
  background: var(--black);
}

.reform-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(220px, 1fr));
  gap: 24px;
  max-width: 920px;
  margin: 42px auto 0;
}

.reform-card {
  min-height: 220px;
  border: 2px solid var(--gold);
  padding: 24px;
  background: var(--black);
  transition: transform 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.reform-card:hover { transform: scale(1.08); }
.reform-card span { color: var(--mid-gold); font-weight: 700; letter-spacing: 0.15em; }
.reform-card p { color: var(--gold); font-size: 1.4rem; line-height: 1.2; margin-top: 72px; }
.void-cell { border: 2px dashed var(--gold); background: transparent; }
.void-cell::after { content: ""; display: block; width: 34%; height: 2px; background: var(--bright-gold); transform: rotate(-18deg); margin: 96px auto; }
.missing-line { text-align: center; margin-top: 48px; }
.bottom-seam { position: absolute; left: 0; right: 0; bottom: 54px; height: 3px; background: var(--bright-gold); transform: rotate(1.2deg); box-shadow: 0 0 18px var(--bright-gold); }

.kintsugi {
  position: absolute;
  left: -5vw;
  width: 110vw;
  height: 2px;
  z-index: 50;
  pointer-events: none;
  background: var(--bright-gold);
  box-shadow: 0 0 14px rgba(255, 215, 0, 0.55);
}
.seam-one { top: 150vh; transform: rotate(3deg); }
.seam-two { top: 282vh; transform: rotate(-1.5deg); }
.seam-three { top: 405vh; transform: rotate(2.4deg); }

@media (max-width: 900px) {
  .contradictory-grid { grid-template-columns: repeat(2, 1fr); }
  .card { min-height: 42vw; }
  .card.in-view[data-disruption="3"] { grid-column: span 1; }
}

@media (max-width: 620px) {
  .grid-section, .reformation { padding-left: 18px; padding-right: 18px; }
  .contradictory-grid, .reform-grid { grid-template-columns: 1fr; }
  .card { min-height: 78vw; }
  .nav-overlay { border-width: 10px; }
}