:root {
  --obsidian: #070508;
  --gold: #D6A84F;
  --brass: #6F5527;
  --vermilion: #B8322A;
  --ivory: #F4E6C1;
  --jade: #1F7A68;
  --violet: #23172D;
  --title: 'Cinzel Decorative', serif;
  --serif: 'Cormorant Garamond', serif;
  --kr: 'IBM Plex Sans KR', sans-serif;
  --mono: 'Spline Sans Mono', monospace;
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  color: var(--ivory);
  background:
    radial-gradient(circle at 20% 10%, rgba(111, 85, 39, .18), transparent 30vw),
    radial-gradient(circle at 80% 60%, rgba(35, 23, 45, .65), transparent 36vw),
    var(--obsidian);
  font-family: var(--serif);
  overflow-x: hidden;
}

.grain, .inspection-light {
  pointer-events: none;
  position: fixed;
  inset: 0;
  z-index: 30;
}

.grain {
  opacity: .16;
  background-image:
    linear-gradient(90deg, rgba(244,230,193,.05) 1px, transparent 1px),
    linear-gradient(rgba(244,230,193,.035) 1px, transparent 1px);
  background-size: 7px 11px;
  mix-blend-mode: screen;
}

.inspection-light {
  --x: 50%;
  --y: 30%;
  background: radial-gradient(circle at var(--x) var(--y), rgba(214,168,79,.22), transparent 18rem);
  z-index: 20;
}

.scene {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: clamp(2rem, 5vw, 5rem);
  isolation: isolate;
}

.scene::before {
  content: '';
  position: absolute;
  inset: 1.2rem;
  border: 1px solid rgba(214,168,79,.45);
  clip-path: polygon(5% 0, 95% 0, 95% 4%, 100% 4%, 100% 96%, 95% 96%, 95% 100%, 5% 100%, 5% 96%, 0 96%, 0 4%, 5% 4%);
  z-index: -1;
}

.vault-door {
  background:
    linear-gradient(115deg, transparent 0 44%, rgba(244,230,193,.05) 45%, transparent 47%),
    radial-gradient(circle, rgba(35,23,45,.85), var(--obsidian) 62%);
}

.vault-outline {
  width: min(76vw, 760px);
  height: min(76vh, 760px);
  border: 2px solid var(--gold);
  border-radius: 50%;
  display: grid;
  place-items: center;
  position: relative;
  box-shadow: inset 0 0 0 22px rgba(111,85,39,.16), 0 0 80px rgba(0,0,0,.8);
  transition: transform 1.3s cubic-bezier(.2,.8,.1,1), clip-path 1.3s cubic-bezier(.2,.8,.1,1);
}

body.vault-open .vault-outline { transform: scale(1.08) rotate(6deg); clip-path: circle(80%); }

.elevator-bars, .elevator-bars::before, .elevator-bars::after {
  position: absolute;
  inset: 8%;
  content: '';
  background: repeating-linear-gradient(90deg, transparent 0 22px, rgba(214,168,79,.44) 23px 25px, transparent 26px 42px);
  border-radius: 50%;
  opacity: .55;
}

.elevator-bars::before { transform: rotate(60deg); }
.elevator-bars::after { transform: rotate(-60deg); }

.vault-wordmark {
  font-family: var(--title);
  letter-spacing: .22em;
  font-size: clamp(2.4rem, 8vw, 6.8rem);
  color: transparent;
  -webkit-text-stroke: 1px var(--gold);
  text-shadow: 0 0 26px rgba(214,168,79,.18);
  z-index: 2;
}

.living-seal {
  width: clamp(88px, 15vw, 150px);
  aspect-ratio: 1;
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, var(--vermilion), #5b1512 70%);
  display: grid;
  place-items: center;
  color: var(--ivory);
  font-family: var(--title);
  font-size: 2.6rem;
  box-shadow: 0 0 0 7px rgba(184,50,42,.2), inset 0 0 30px rgba(7,5,8,.65);
  transition: transform 1s ease, filter 1s ease;
  z-index: 3;
}

body.vault-open .living-seal { transform: scale(.82) rotate(31deg); filter: drop-shadow(0 0 24px var(--gold)); }
.ring { position: absolute; inset: -18px; border: 1px dashed var(--gold); border-radius: 50%; opacity: .0; animation: ringTurn 18s linear infinite; }
.ring-two { inset: -34px; animation-duration: 24s; animation-direction: reverse; }
.ring-three { inset: -52px; border-color: var(--jade); animation-duration: 31s; }
body.vault-open .ring { opacity: .8; }

.vault-caption, .open-instruction, .korean-label, .stamp, .nav-seal::after {
  font-family: var(--kr);
  text-transform: uppercase;
  letter-spacing: .16em;
}

.vault-caption { position: absolute; bottom: 18%; font-size: .8rem; color: rgba(244,230,193,.65); }
.open-instruction { position: absolute; bottom: 2rem; font-size: .72rem; color: var(--brass); }

.seal-nav {
  position: fixed;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  gap: .75rem;
  z-index: 40;
}

.nav-seal {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: radial-gradient(circle at 50% var(--fill, 100%), var(--jade) 0 28%, rgba(7,5,8,.9) 30%);
  color: var(--ivory);
  cursor: pointer;
  position: relative;
}
.nav-seal::after { content: attr(data-label); font-size: .62rem; }
.nav-seal.is-active { --fill: 35%; box-shadow: 0 0 18px rgba(31,122,104,.7); }

.chamber { background: linear-gradient(140deg, var(--obsidian), var(--violet)); }
.chamber-number {
  position: absolute;
  left: -4vw;
  top: 8vh;
  font-family: var(--title);
  font-size: clamp(10rem, 28vw, 25rem);
  color: rgba(214,168,79,.08);
  line-height: .8;
}

.plaque {
  position: relative;
  background: linear-gradient(145deg, rgba(244,230,193,.95), rgba(214,168,79,.72));
  color: var(--obsidian);
  border: 8px double var(--brass);
  box-shadow: 0 30px 80px rgba(0,0,0,.55), inset 0 0 35px rgba(111,85,39,.32);
  padding: clamp(2rem, 5vw, 5rem);
  max-width: 760px;
}

.plaque::after, .ledger-page::after {
  content: '';
  position: absolute;
  inset: .7rem;
  border: 1px solid rgba(111,85,39,.55);
}

h1, h2 {
  font-family: var(--title);
  margin: .25em 0;
  letter-spacing: .09em;
  font-weight: 700;
  line-height: .95;
}
h1 { font-size: clamp(2.4rem, 6.7vw, 6.8rem); }
h2 { font-size: clamp(2rem, 5.2vw, 5.2rem); }
p { font-size: clamp(1.2rem, 2vw, 1.75rem); line-height: 1.45; }
.korean-label, .stamp { font-size: .76rem; color: var(--vermilion); font-weight: 600; }

.fan-notes {
  position: absolute;
  right: 8vw;
  bottom: 14vh;
  display: grid;
  gap: .3rem;
  transform: rotate(-17deg);
}
.fan-notes span { padding: .7rem 3rem; transform-origin: left center; background: rgba(214,168,79,.16); border-left: 3px solid var(--gold); font-family: var(--mono); }
.fan-notes span:nth-child(2) { transform: rotate(12deg); }
.fan-notes span:nth-child(3) { transform: rotate(24deg); }

.marginal-inscription {
  position: absolute;
  left: 2.5rem;
  bottom: 16vh;
  writing-mode: vertical-rl;
  font-family: var(--kr);
  font-size: .62rem;
  letter-spacing: .11em;
  color: rgba(244,230,193,.38);
  max-height: 60vh;
}

.receipt-moths i {
  position: absolute;
  width: 18px; height: 12px;
  background: var(--ivory);
  clip-path: polygon(50% 0,100% 100%,50% 65%,0 100%);
  opacity: .75;
  animation: moth 7s ease-in-out infinite;
}
.receipt-moths i:nth-child(1) { left: 18%; top: 26%; }
.receipt-moths i:nth-child(2) { right: 24%; top: 18%; animation-delay: -2s; }
.receipt-moths i:nth-child(3) { right: 15%; bottom: 30%; animation-delay: -4s; }

.ledger-river { display: flex; gap: 4vw; transform: rotate(-3deg); width: 135vw; justify-content: center; }
.ledger-page {
  position: relative;
  min-height: 58vh;
  width: min(610px, 46vw);
  background: var(--ivory);
  color: var(--obsidian);
  padding: clamp(2rem, 4vw, 4rem);
  border: 2px solid var(--gold);
  box-shadow: 0 18px 50px rgba(0,0,0,.55);
  transform: skewY(1.5deg);
}
.page-two { margin-top: 10vh; background: linear-gradient(90deg, var(--ivory), #e3c985); }
.ledger-page ul { list-style: none; margin: 2rem 0 0; padding: 0; font-family: var(--mono); }
.ledger-page li { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px dotted var(--brass); padding: 1rem 0; }
.ledger-page em { font-family: var(--serif); }
.stamp { font-family: var(--mono); color: var(--brass); }
.stamp.vermilion { color: var(--vermilion); }
.guilloche { position: absolute; inset: auto 0 8vh; height: 28vh; opacity: .65; }
.guilloche path { fill: none; stroke: var(--gold); stroke-width: 1.2; }

.observatory-dome {
  position: absolute;
  inset: 5vh 7vw auto;
  height: 52vh;
  border: 1px solid var(--gold);
  border-bottom: 0;
  border-radius: 50% 50% 0 0;
}
.abacus-frame {
  position: absolute;
  left: 50%; top: 50%;
  width: min(680px, 70vw);
  padding: 2rem;
  border: 10px solid var(--brass);
  transform: translate(-50%, -25%) rotate(var(--abacus-rotate, -8deg));
  transition: transform .4s ease-out;
}
.rod { height: 42px; border-top: 3px solid var(--gold); display: flex; align-items: center; gap: 8%; margin: 1.2rem 0; }
.rod i { width: 38px; height: 38px; border-radius: 50%; background: radial-gradient(circle at 35% 25%, var(--ivory), var(--gold) 45%, var(--brass)); transform: translateX(var(--bead-shift, 0)); transition: transform .55s cubic-bezier(.2,.8,.2,1); }
.round-plaque { border-radius: 42% 58% 45% 55%; max-width: 620px; margin-top: 30vh; }
.constellation span { position: absolute; width: 7px; height: 7px; background: var(--jade); border-radius: 50%; box-shadow: 0 0 14px var(--jade); }
.constellation span:nth-child(1) { left: 24%; top: 34%; } .constellation span:nth-child(2) { left: 43%; top: 18%; } .constellation span:nth-child(3) { left: 62%; top: 38%; } .constellation span:nth-child(4) { left: 76%; top: 22%; }

.ballroom { background: radial-gradient(circle, rgba(111,85,39,.28), var(--obsidian) 62%); }
.accounting-wheel {
  position: absolute;
  width: min(76vw, 720px);
  aspect-ratio: 1;
  border-radius: 50%;
  border: 2px solid var(--gold);
  animation: ringTurn 38s linear infinite;
  background: repeating-conic-gradient(from 0deg, rgba(214,168,79,.18) 0 12deg, transparent 12deg 24deg);
}
.accounting-wheel::before { content: ''; position: absolute; inset: 18%; border: 1px solid var(--jade); border-radius: 50%; }
.accounting-wheel span { position: absolute; font-family: var(--mono); color: var(--gold); text-transform: uppercase; }
.accounting-wheel span:nth-child(1) { top: 8%; left: 42%; } .accounting-wheel span:nth-child(2) { right: 7%; top: 48%; } .accounting-wheel span:nth-child(3) { bottom: 8%; left: 45%; } .accounting-wheel span:nth-child(4) { left: 7%; top: 48%; }
.crescent-scale { position: absolute; width: 46vw; height: 18vw; border-bottom: 5px solid var(--gold); border-radius: 0 0 50% 50%; transform: translateY(9vh); }
.ballroom-copy { position: relative; max-width: 620px; text-align: center; background: rgba(7,5,8,.78); padding: 3rem; border: 1px solid var(--gold); }

.final { background: linear-gradient(180deg, var(--violet), var(--obsidian)); }
.seal-press { position: absolute; top: -15vh; display: grid; place-items: center; transition: transform .8s cubic-bezier(.2,.9,.1,1); }
.seal-press.pressed { transform: translateY(28vh); }
.press-head { width: 150px; aspect-ratio: 1; border-radius: 50%; background: var(--vermilion); display: grid; place-items: center; font-family: var(--title); font-size: 4rem; box-shadow: inset 0 0 28px rgba(7,5,8,.6), 0 0 0 9px rgba(214,168,79,.28); }
.press-column { width: 42px; height: 32vh; background: linear-gradient(90deg, var(--brass), var(--gold), var(--brass)); }
.final-paper { margin-top: 18vh; width: min(760px, 86vw); min-height: 50vh; padding: clamp(2rem, 5vw, 5rem); background: var(--ivory); color: var(--obsidian); position: relative; text-align: center; box-shadow: 0 25px 80px rgba(0,0,0,.65); }
.wax-impression { margin: 2rem auto 0; width: 165px; aspect-ratio: 1; border-radius: 50%; display: grid; place-items: center; background: radial-gradient(circle, rgba(184,50,42,.95), #6d1915); color: var(--ivory); font-family: var(--title); transform: rotate(-9deg); }

@keyframes ringTurn { to { transform: rotate(360deg); } }
@keyframes moth { 50% { transform: translate(20px, -28px) rotate(18deg); } }

@media (max-width: 760px) {
  .seal-nav { right: .55rem; }
  .ledger-river { width: auto; flex-direction: column; transform: none; }
  .ledger-page { width: 84vw; min-height: auto; }
  .fan-notes { display: none; }
  .vault-wordmark { letter-spacing: .08em; }
}