:root {
  --terracotta: #B8563C;
  --sienna: #6E2F24;
  --amber: #F2B45D;
  --parchment: #F5E7D0;
  --black: #17100D;
  --brass: #9A6A31;
  --clay: #D98268;
  --sans: "Source Sans 3", Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Source Serif 4", Georgia, serif;
  --condensed: "IBM Plex Sans Condensed", "Arial Narrow", sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

.design-key { display: none; }

.grain, .grid-field, .candle-flare { position: fixed; inset: 0; pointer-events: none; }
.grain {
  z-index: 4;
  opacity: .22;
  background-image:
    radial-gradient(circle at 20% 30%, rgba(245,231,208,.24) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 70%, rgba(23,16,13,.18) 0 1px, transparent 1px);
  background-size: 23px 19px, 31px 29px;
  mix-blend-mode: multiply;
}
.grid-field {
  z-index: 1;
  background-image:
    linear-gradient(90deg, rgba(23,16,13,.18) 1px, transparent 1px),
    linear-gradient(0deg, rgba(23,16,13,.13) 1px, transparent 1px);
  background-size: calc(100vw / 12) 100%, 100% 16.666vh;
  opacity: .55;
}
.candle-flare {
  z-index: 3;
  opacity: .9;
  background:
    radial-gradient(circle at var(--mx, 28%) var(--my, 36%), rgba(242,180,93,.88), rgba(217,130,104,.38) 12%, rgba(184,86,60,.18) 28%, transparent 48%),
    linear-gradient(105deg, transparent 0 36%, rgba(242,180,93,.32), transparent 60%);
  filter: blur(12px);
  transform: translate3d(0,0,0) scale(var(--flicker, 1));
  transition: opacity .8s ease;
}

.index-rail {
  position: fixed;
  right: 2.2vw;
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  display: grid;
  gap: 12px;
  font: 600 11px/1 var(--condensed);
  letter-spacing: .12em;
  text-transform: uppercase;
}
.index-rail a {
  color: rgba(245,231,208,.58);
  text-decoration: none;
  writing-mode: vertical-rl;
  transition: color .4s ease, transform .4s ease;
}
.index-rail a span { color: var(--amber); }
.index-rail a.active { color: var(--parchment); transform: translateX(-5px); }

.opening-drawer, .scene {
  position: relative;
  z-index: 5;
  min-height: 100vh;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-template-rows: repeat(8, 1fr);
  padding: 5.5vw 7vw;
  overflow: hidden;
}
.opening-drawer {
  background: radial-gradient(circle at 72% 22%, rgba(242,180,93,.22), transparent 30%), linear-gradient(135deg, var(--sienna), var(--terracotta) 58%, #8f3e2f);
  color: var(--parchment);
}
.folio, .scene-folio {
  font-family: var(--condensed);
  font-size: clamp(6rem, 19vw, 20rem);
  font-weight: 700;
  letter-spacing: -.08em;
  line-height: .75;
  color: rgba(245,231,208,.13);
}
.folio { grid-column: 1 / 5; grid-row: 1 / 4; }
.archive-label {
  grid-column: 2 / 6;
  grid-row: 2;
  align-self: end;
  margin: 0;
  font: 600 12px/1.2 var(--condensed);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}
h1 {
  grid-column: 2 / 10;
  grid-row: 3 / 5;
  margin: 0;
  font: 500 clamp(3.6rem, 10vw, 11rem)/.82 var(--sans);
  letter-spacing: -.065em;
  opacity: 0;
  animation: warmReveal 1.8s .35s ease forwards;
}
.opening-copy {
  grid-column: 7 / 11;
  grid-row: 5 / 7;
  margin: 0;
  font: 400 clamp(1.2rem, 2vw, 2rem)/1.18 var(--serif);
  color: rgba(245,231,208,.86);
}
.drawer-pull {
  grid-column: 2 / 5;
  grid-row: 7;
  align-self: center;
  justify-self: start;
  border: 1px solid rgba(245,231,208,.55);
  background: rgba(23,16,13,.18);
  color: var(--parchment);
  padding: 15px 22px;
  font: 600 12px/1 var(--condensed);
  letter-spacing: .18em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform .4s ease, background .4s ease;
}
.drawer-pull:hover { transform: translateX(8px); background: rgba(242,180,93,.16); }
.drawer-pull span { display: inline-block; width: 38px; height: 1px; margin-right: 14px; background: var(--amber); vertical-align: middle; }
.receipt-strip {
  position: absolute;
  padding: 12px 34px;
  background: rgba(245,231,208,.88);
  color: var(--black);
  font: 600 11px/1 var(--condensed);
  letter-spacing: .14em;
  text-transform: uppercase;
  box-shadow: 0 18px 40px rgba(23,16,13,.25);
}
.strip-a { left: 48%; top: 19%; transform: rotate(-7deg); }
.strip-b { left: 16%; bottom: 18%; transform: rotate(5deg); }

.scene { background: var(--parchment); border-top: 1px solid rgba(23,16,13,.35); }
.scene:nth-child(even) { background: linear-gradient(135deg, var(--parchment), #e8c9aa 65%, var(--clay)); }
.scene-folio { position: absolute; top: 4vw; left: 5vw; color: rgba(23,16,13,.1); }
.scene-title-block { grid-column: 2 / 8; grid-row: 2 / 5; align-self: center; }
.scene-title-block.offset { grid-column: 5 / 11; grid-row: 2 / 4; }
.kicker, .ledger-label {
  margin: 0 0 18px;
  font: 700 12px/1 var(--condensed);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--brass);
}
h2 {
  margin: 0;
  font: 500 clamp(2.3rem, 6vw, 7rem)/.92 var(--serif);
  letter-spacing: -.045em;
}
h2 span, .poster-word {
  display: block;
  font-family: var(--condensed);
  font-weight: 700;
  letter-spacing: -.06em;
  color: var(--sienna);
}
h2 em { display: block; font-style: normal; color: var(--black); }
.paper-panel {
  background: rgba(245,231,208,.82);
  border: 1px solid rgba(23,16,13,.32);
  box-shadow: 18px 24px 80px rgba(23,16,13,.18);
  padding: clamp(24px, 3vw, 46px);
  font: 400 clamp(1.05rem, 1.4vw, 1.35rem)/1.35 var(--sans);
}
.paper-panel p:last-child { margin: 0; }
.panel-left { grid-column: 7 / 11; grid-row: 5 / 8; transform: rotate(-2deg); }
.panel-right { grid-column: 2 / 6; grid-row: 5 / 8; transform: rotate(2.5deg); }
.glyph-mark { grid-column: 10 / 12; grid-row: 2 / 4; width: 120px; height: 120px; border: 1px solid var(--black); border-radius: 50%; position: relative; }
.glyph-mark:before, .glyph-mark:after { content: ""; position: absolute; background: var(--black); }
.glyph-mark:before { width: 68px; height: 1px; top: 60px; left: 26px; }
.glyph-mark:after { width: 10px; height: 10px; border-radius: 50%; background: var(--brass); top: 55px; right: 24px; }
.torn-note { grid-column: 4 / 7; grid-row: 7; align-self: center; transform: rotate(-8deg); font: 600 13px/1 var(--condensed); letter-spacing: .18em; text-transform: uppercase; color: var(--sienna); }
.poster-word { grid-column: 1 / 8; grid-row: 3 / 7; font-size: clamp(9rem, 24vw, 25rem); line-height: .7; opacity: .12; overflow: hidden; }
.measure-rule { grid-column: 7 / 12; grid-row: 5 / 7; display: grid; gap: 18px; align-self: center; }
.measure-rule span { height: 1px; background: var(--black); transform: scaleX(0); transform-origin: left; transition: transform 1.4s ease; }
.scene.active .measure-rule span { transform: scaleX(1); }
.measure-rule span:nth-child(2) { margin-left: 12%; transition-delay: .15s; }
.measure-rule span:nth-child(3) { margin-left: -8%; transition-delay: .3s; }
.measure-rule span:nth-child(4) { margin-left: 24%; transition-delay: .45s; }
.shadow-hands { grid-column: 1 / 13; grid-row: 1 / 9; opacity: .2; background: radial-gradient(ellipse at 36% 56%, var(--black) 0 8%, transparent 28%), radial-gradient(ellipse at 63% 46%, var(--black) 0 7%, transparent 27%); filter: blur(24px); }
.signature-landscape { grid-column: 2 / 12; grid-row: 6; font: 500 clamp(1.5rem, 4vw, 5rem)/1 var(--serif); color: rgba(110,47,36,.36); transform: rotate(-3deg); white-space: nowrap; }
.witness-card { grid-column: 8 / 12; grid-row: 2 / 5; transform: rotate(3deg); }
.scene-seal { background: linear-gradient(145deg, var(--sienna), var(--terracotta)); color: var(--parchment); }
.scene-seal .scene-folio { color: rgba(245,231,208,.12); }
.scene-seal .kicker { color: var(--amber); }
.scene-seal h2 em { color: var(--parchment); }
.seal-title { grid-column: 2 / 9; z-index: 2; }
.seal-halo { grid-column: 6 / 11; grid-row: 2 / 7; border-radius: 50%; background: radial-gradient(circle, rgba(242,180,93,.75), rgba(154,106,49,.35) 34%, rgba(184,86,60,.05) 65%, transparent 72%); filter: blur(5px); transform: scale(.86); }
.wax-ledger { grid-column: 8 / 12; grid-row: 5 / 8; display: grid; border-top: 1px solid rgba(245,231,208,.45); color: var(--parchment); font: 600 13px/1 var(--condensed); text-transform: uppercase; letter-spacing: .18em; }
.wax-ledger div { border-bottom: 1px solid rgba(245,231,208,.32); padding: 18px 0; }
.brass-line { grid-column: 1 / 13; grid-row: 7; height: 2px; background: linear-gradient(90deg, transparent, var(--amber), transparent); }
.scene-afterglow { background: linear-gradient(180deg, var(--parchment), #dcae88); }
.settled-receipts { grid-column: 2 / 11; grid-row: 5 / 7; display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; transform: rotate(-1.5deg); }
.receipt { min-height: 130px; padding: 22px; background: rgba(245,231,208,.72); border: 1px solid rgba(23,16,13,.25); box-shadow: 0 20px 55px rgba(23,16,13,.12); }
.receipt b { display: block; font: 700 34px/.9 var(--condensed); color: var(--sienna); text-transform: uppercase; }
.receipt span { font: 600 12px/1 var(--condensed); letter-spacing: .18em; text-transform: uppercase; color: var(--brass); }
.closing-copy { grid-column: 6 / 11; grid-row: 7 / 9; font: 400 clamp(1.2rem, 2.1vw, 2.4rem)/1.14 var(--serif); margin: 0; }

.reveal { opacity: 0; transform: translateY(34px); transition: opacity 1.1s ease, transform 1.1s ease; }
.reveal.visible, .scene.active .seal-halo { opacity: 1; transform: translateY(0) scale(1); }
.scene.active .brass-line { animation: drawLine 1.7s ease both; }
.opening-drawer.opened { box-shadow: inset 0 -80px 120px rgba(23,16,13,.35); }

@keyframes warmReveal { from { opacity: 0; filter: blur(18px); transform: translateX(-28px); } to { opacity: 1; filter: blur(0); transform: translateX(0); } }
@keyframes drawLine { from { transform: scaleX(0); opacity: 0; } to { transform: scaleX(1); opacity: 1; } }

@media (max-width: 800px) {
  .index-rail { display: none; }
  .opening-drawer, .scene { display: block; padding: 28vw 7vw 18vw; min-height: auto; }
  .folio, .scene-folio { position: relative; font-size: 34vw; margin-bottom: 22px; }
  h1 { font-size: 18vw; }
  .opening-copy, .scene-title-block, .paper-panel, .closing-copy { margin-top: 28px; }
  .receipt-strip { display: none; }
  .poster-word { font-size: 24vw; margin: 30px 0; }
  .settled-receipts { grid-template-columns: 1fr; display: grid; margin-top: 28px; }
  .wax-ledger { margin-top: 40px; }
}