:root {
  --cream: #F4E7C8;
  --parchment: #FFF6DC;
  --teal: #2E6F73;
  --walnut: #3A2418;
  --brass: #C8942E;
  --terracotta: #A45132;
  --lapis: #496A9A;
  --shadow: rgba(58, 36, 24, 0.26);
  --grid: rgba(73, 106, 154, 0.23);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--walnut);
  font-family: "Newsreader", Georgia, serif;
  background:
    radial-gradient(circle at 20% 5%, rgba(255, 246, 220, 0.8), transparent 28rem),
    linear-gradient(135deg, rgba(164, 81, 50, 0.16), transparent 32%),
    linear-gradient(90deg, #5d321f, #7a4527 22%, #4d2b1d 60%, #6b3b24);
  overflow-x: hidden;
}

.desk-grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.42;
  background-image:
    repeating-linear-gradient(88deg, rgba(255,255,255,0.035) 0 1px, transparent 1px 9px),
    repeating-linear-gradient(4deg, rgba(58,36,24,0.16) 0 1px, transparent 1px 13px);
  mix-blend-mode: multiply;
  z-index: 0;
}

.cursor-compass {
  position: fixed;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(200, 148, 46, 0.58);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  z-index: 20;
  opacity: 0;
  transition: opacity 260ms ease;
}

.cursor-compass::before, .cursor-compass::after {
  content: "";
  position: absolute;
  inset: 9px;
  border-top: 2px solid var(--brass);
  transform: rotate(45deg);
}

.cursor-compass::after { transform: rotate(-45deg); }

.atlas { position: relative; z-index: 1; }

.spread {
  min-height: 100vh;
  padding: clamp(18px, 3vw, 42px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: clamp(14px, 2vw, 28px);
  position: relative;
  perspective: 1200px;
}

.spread::before {
  content: "";
  position: absolute;
  inset: clamp(18px, 3vw, 42px);
  background:
    linear-gradient(90deg, transparent calc(50% - 2px), rgba(58, 36, 24, 0.32) calc(50% - 1px), rgba(255, 246, 220, 0.55) 50%, rgba(58, 36, 24, 0.22) calc(50% + 2px), transparent calc(50% + 3px));
  pointer-events: none;
  z-index: 3;
}

.page {
  position: relative;
  min-height: calc(100vh - clamp(36px, 6vw, 84px));
  padding: clamp(24px, 4vw, 62px);
  background-color: var(--cream);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px),
    radial-gradient(circle at 16% 22%, rgba(200, 148, 46, 0.18), transparent 18rem),
    radial-gradient(circle at 86% 78%, rgba(46, 111, 115, 0.12), transparent 16rem);
  background-size: 34px 34px, 34px 34px, auto, auto;
  border: 1px solid rgba(58, 36, 24, 0.42);
  box-shadow:
    inset 0 0 0 7px rgba(255, 246, 220, 0.52),
    inset 0 0 0 8px rgba(58, 36, 24, 0.16),
    0 28px 50px var(--shadow),
    0 3px 0 rgba(255, 246, 220, 0.88);
  overflow: hidden;
}

.page::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(58, 36, 24, 0.17) 0.7px, transparent 0.9px);
  background-size: 13px 17px;
  opacity: 0.22;
  mix-blend-mode: multiply;
  pointer-events: none;
}

.folio, .engraved-label, .drawer-label, .map-block, .artifact b, .symbol em, .clue, .caption-flap button {
  font-family: "Barlow Condensed", Arial Narrow, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.folio {
  position: absolute;
  top: 18px;
  left: 24px;
  font-size: 0.82rem;
  color: rgba(58, 36, 24, 0.68);
  z-index: 5;
}

.engraved-label {
  display: inline-block;
  color: var(--terracotta);
  font-weight: 700;
  border-top: 1px solid var(--brass);
  border-bottom: 1px solid var(--brass);
  padding: 0.35rem 0;
  margin: 0 0 1.1rem;
}

h1, h2 {
  margin: 0;
  font-family: "Limelight", "Cinzel Decorative", serif;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.055em;
  color: var(--walnut);
  text-shadow: 0 2px 0 #FFF6DC, 0 4px 0 rgba(200, 148, 46, 0.32), 0 11px 20px rgba(58, 36, 24, 0.16);
}

h1 { font-size: clamp(3.3rem, 9vw, 8.8rem); line-height: 0.88; }
h2 { font-size: clamp(2.5rem, 5.8vw, 6.2rem); line-height: 0.94; }
h2 span { display: block; font-size: 0.58em; color: var(--teal); }
p { font-size: clamp(1.05rem, 1.45vw, 1.38rem); line-height: 1.48; }

.cover-title-block { position: relative; z-index: 4; max-width: 790px; top: 14%; }
.deck { max-width: 620px; font-size: clamp(1.25rem, 2vw, 1.85rem); }

.brass-corner { position: absolute; width: 76px; height: 76px; border-color: var(--brass); z-index: 4; }
.top-left { top: 14px; left: 14px; border-top: 12px solid var(--brass); border-left: 12px solid var(--brass); }
.bottom-right { right: 14px; bottom: 14px; border-bottom: 12px solid var(--brass); border-right: 12px solid var(--brass); }

.registration { position: absolute; width: 54px; height: 54px; z-index: 4; opacity: 0.72; }
.registration::before, .registration::after { content: ""; position: absolute; background: var(--lapis); }
.registration::before { width: 100%; height: 1px; top: 50%; }
.registration::after { height: 100%; width: 1px; left: 50%; }
.reg-a { right: 13%; top: 13%; animation: registerIn 1.3s ease both; }
.reg-b { left: 12%; bottom: 17%; animation: registerIn 1.5s ease both 160ms; }

.compass-seal {
  position: absolute;
  right: 9%;
  bottom: 10%;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  border: 12px double var(--brass);
  background: radial-gradient(circle, #FFF6DC 0 29%, #C8942E 30% 33%, #F4E7C8 34%);
  box-shadow: inset 0 0 24px rgba(58,36,24,0.18), 0 16px 26px var(--shadow);
  animation: sealTurn 10s ease-in-out infinite;
}
.compass-seal span { position: absolute; font-family: "Cinzel Decorative", serif; font-size: 1rem; color: var(--terracotta); }
.compass-seal span:nth-child(1) { top: 10px; left: 50%; transform: translateX(-50%); }
.compass-seal span:nth-child(2) { right: 14px; top: 50%; transform: translateY(-50%); }
.compass-seal span:nth-child(3) { bottom: 10px; left: 50%; transform: translateX(-50%); }
.compass-seal span:nth-child(4) { left: 14px; top: 50%; transform: translateY(-50%); }

.cover-artifacts { background-color: var(--parchment); }
.route-svg, .map-lines, .constellation svg { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.route-path, .draw-route, .constellation-line {
  fill: none;
  stroke: var(--brass);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 9 13;
  filter: drop-shadow(0 2px 0 rgba(255,246,220,0.8));
}
.route-two { stroke: var(--teal); }

.artifact {
  position: absolute;
  width: 150px;
  height: 150px;
  display: grid;
  place-items: center;
  filter: drop-shadow(0 18px 16px rgba(58,36,24,0.22));
  transition: transform 450ms cubic-bezier(.2,.9,.2,1);
  z-index: 5;
}
.artifact i { display: block; width: 96px; height: 96px; position: relative; }
.artifact b { position: absolute; bottom: -0.1rem; font-size: 0.92rem; color: var(--walnut); }
.token-ziggurat { left: 9%; top: 18%; animation: tokenSettle 1s ease both 260ms; }
.token-ziggurat i { clip-path: polygon(50% 4%, 94% 86%, 6% 86%); background: linear-gradient(135deg, var(--terracotta), #d88f58); }
.token-coin { right: 13%; top: 18%; animation: tokenSettle 1s ease both 360ms; }
.token-coin i { border-radius: 50%; border: 14px double var(--brass); background: radial-gradient(circle, transparent 30%, rgba(200,148,46,.28) 31% 46%, var(--parchment) 47%); }
.token-amphora { left: 24%; bottom: 13%; animation: tokenSettle 1s ease both 460ms; }
.token-amphora i { background: var(--teal); border-radius: 46% 46% 38% 38%; clip-path: polygon(35% 8%, 65% 8%, 72% 32%, 88% 48%, 69% 58%, 60% 94%, 40% 94%, 31% 58%, 12% 48%, 28% 32%); }
.token-treaty { right: 16%; bottom: 20%; animation: tokenSettle 1s ease both 560ms; }
.token-treaty i { background: linear-gradient(135deg, var(--lapis), #7591bf); clip-path: polygon(14% 10%, 88% 22%, 72% 90%, 8% 72%); }

.note-card {
  position: absolute;
  left: 38%;
  top: 47%;
  width: 190px;
  padding: 1rem;
  background: var(--parchment);
  border: 1px solid rgba(58,36,24,.36);
  transform: rotate(-2deg);
  box-shadow: 0 12px 22px var(--shadow);
  z-index: 6;
}

.headline-page p:not(.engraved-label), .route-copy p, .evidence-copy p { max-width: 620px; }
.drawer-handle {
  position: absolute;
  bottom: 13%;
  left: 11%;
  width: min(70%, 510px);
  height: 82px;
  border-radius: 42px;
  background: linear-gradient(#d7a743, var(--brass) 42%, #8c621c);
  box-shadow: inset 0 7px 12px rgba(255,246,220,.45), inset 0 -9px 16px rgba(58,36,24,.32), 0 19px 26px var(--shadow);
}
.drawer-handle span { position: absolute; inset: 24px 54px; border-radius: 22px; background: rgba(58,36,24,.2); box-shadow: inset 0 3px 12px rgba(58,36,24,.36); }

.drawer-page { display: flex; align-items: flex-end; padding: clamp(16px, 3vw, 38px); }
.wood-drawer {
  width: 100%;
  min-height: 78%;
  padding: clamp(24px, 3vw, 42px);
  background: linear-gradient(92deg, #4a2517, #7b4326 22%, #5d301f 62%, #8c5131);
  border: 10px solid var(--walnut);
  box-shadow: inset 0 18px 32px rgba(255,246,220,.10), 0 18px 32px var(--shadow);
  transform: translateY(2%);
}
.drawer-label { width: max-content; margin: 0 auto 1.8rem; padding: .55rem 1.4rem; background: var(--brass); border: 2px solid var(--walnut); font-weight: 700; }
.timeline-rail { display: grid; grid-template-columns: repeat(4, minmax(140px, 1fr)); gap: 16px; }
.era-card { min-height: 310px; padding: 1.1rem; background: var(--parchment); border: 1px solid rgba(58,36,24,.5); box-shadow: inset 0 0 0 4px rgba(200,148,46,.16), 0 12px 18px rgba(0,0,0,.22); }
.era-card strong { display: block; font-family: "Limelight", serif; font-weight: 400; font-size: clamp(1.5rem, 2.2vw, 2.3rem); color: var(--terracotta); }
.era-card span { font-family: "Cinzel Decorative", serif; color: var(--teal); }
.era-card p { font-size: 1rem; }

.map-plate {
  position: absolute;
  inset: 9% 6%;
  background: linear-gradient(135deg, rgba(46,111,115,.18), transparent), var(--parchment);
  border: 13px solid var(--cream);
  box-shadow: inset 0 0 0 1px var(--walnut), 0 22px 36px var(--shadow);
  transform: rotate(-1deg);
}
.coast { fill: none; stroke: var(--teal); stroke-width: 7; stroke-linejoin: bevel; opacity: .62; }
.draw-route { stroke-dasharray: 820; stroke-dashoffset: 820; animation: drawLine 3.8s ease forwards; }
.route-node { fill: var(--brass); stroke: var(--walnut); stroke-width: 3; }
.map-block { position: absolute; padding: .65rem .9rem; background: var(--teal); color: var(--parchment); border: 2px solid var(--walnut); box-shadow: 0 10px 14px var(--shadow); }
.block-one { left: 14%; top: 18%; }
.block-two { right: 18%; top: 42%; background: var(--lapis); }
.block-three { left: 42%; bottom: 12%; background: var(--terracotta); }

.caption-flap { margin-top: 2rem; max-width: 520px; perspective: 700px; }
.caption-flap button { background: var(--brass); border: 2px solid var(--walnut); color: var(--walnut); padding: .85rem 1.2rem; font-weight: 700; cursor: pointer; box-shadow: 0 8px 0 rgba(58,36,24,.28); }
.flap-panel { padding: 1.2rem; background: var(--parchment); border: 1px solid rgba(58,36,24,.44); transform-origin: top; transform: rotateX(-90deg); opacity: 0; transition: transform 520ms cubic-bezier(.2,.9,.2,1), opacity 260ms ease; box-shadow: 0 12px 22px var(--shadow); }
.caption-flap.open .flap-panel { transform: rotateX(0deg); opacity: 1; }

.symbol-grid { height: 100%; display: grid; grid-template-columns: repeat(2, 1fr); gap: clamp(18px, 3vw, 32px); align-content: center; }
.symbol { min-height: 230px; position: relative; display: grid; place-items: center; background: rgba(255,246,220,.74); border: 1px solid rgba(58,36,24,.38); box-shadow: inset 0 0 0 6px rgba(200,148,46,.14), 0 14px 22px var(--shadow); }
.symbol span { width: 112px; height: 112px; display: block; }
.symbol em { position: absolute; bottom: 18px; font-style: normal; color: var(--walnut); }
.ziggurat span { background: var(--terracotta); clip-path: polygon(50% 0, 82% 32%, 72% 32%, 92% 58%, 78% 58%, 100% 100%, 0 100%, 22% 58%, 8% 58%, 28% 32%, 18% 32%); }
.coin-rings span { border-radius: 50%; border: 15px double var(--brass); box-shadow: inset 0 0 0 18px var(--parchment), inset 0 0 0 25px var(--teal); }
.treaty-fold span { background: var(--lapis); clip-path: polygon(8% 6%, 90% 22%, 72% 94%, 18% 82%); position: relative; }
.amphora-line span { background: var(--teal); clip-path: polygon(37% 2%, 63% 2%, 69% 25%, 88% 38%, 70% 52%, 61% 98%, 39% 98%, 30% 52%, 12% 38%, 31% 25%); }

.index-spread { grid-template-columns: 1fr; }
.index-spread::before { display: none; }
.index-page-wide { min-height: calc(100vh - clamp(36px, 6vw, 84px)); }
.index-header { max-width: 720px; position: relative; z-index: 4; }
.constellation { position: absolute; inset: 28% 7% 8%; background: rgba(255,246,220,.42); border: 1px solid rgba(73,106,154,.34); box-shadow: inset 0 0 0 7px rgba(244,231,200,.72); }
.constellation-line { stroke: var(--teal); stroke-dasharray: 740; stroke-dashoffset: 740; animation: drawLine 4s ease forwards 400ms; }
.constellation-line.second { stroke: var(--brass); animation-delay: 800ms; }
.clue { position: absolute; left: var(--x); top: var(--y); border: 2px solid var(--walnut); background: var(--parchment); color: var(--walnut); padding: .75rem 1.1rem; box-shadow: 0 10px 15px var(--shadow); cursor: pointer; z-index: 4; }
.clue.active { background: var(--brass); transform: translateY(-4px) scale(1.04); }

.magnetic { will-change: transform; }

@keyframes registerIn { from { transform: translate(18px, -18px) rotate(12deg); opacity: 0; } to { transform: translate(0,0) rotate(0); opacity: .72; } }
@keyframes tokenSettle { from { transform: translateY(-24px) scale(.86) rotate(-8deg); opacity: 0; } to { transform: translateY(0) scale(1) rotate(0deg); opacity: 1; } }
@keyframes sealTurn { 0%, 100% { transform: rotate(-2deg); } 50% { transform: rotate(7deg); } }
@keyframes drawLine { to { stroke-dashoffset: 0; } }

@media (max-width: 900px) {
  .spread { grid-template-columns: 1fr; }
  .spread::before { display: none; }
  .page { min-height: 78vh; }
  .timeline-rail { grid-template-columns: 1fr 1fr; }
  .constellation { inset: 38% 4% 5%; }
}

@media (max-width: 620px) {
  .timeline-rail, .symbol-grid { grid-template-columns: 1fr; }
  .artifact { width: 116px; height: 116px; }
  .artifact i { width: 78px; height: 78px; }
  .compass-seal { width: 120px; height: 120px; }
}