:root {
  /* Design typography tokens: IBM Plex Sans Condensed** in Medium; Inter** in Regular and Medium; Space Grotesk** in Bold and SemiBold. Interactions emphasize spring overshoot. */
  --deep: #260616;
  --shadow: #12030B;
  --glass: #7A1238;
  --rose: #D94B78;
  --parchment: #F4D8C8;
  --mint: #8DF0C6;
  --gold: #F5B85A;
  --pane: rgba(122, 18, 56, 0.38);
  --mist: rgba(244, 216, 200, 0.10);
  --font-head: "Space Grotesk", "Inter", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
  --font-label: "IBM Plex Sans Condensed", "Arial Narrow", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--parchment);
  background:
    radial-gradient(circle at 72% 14%, rgba(217, 75, 120, 0.28), transparent 28rem),
    radial-gradient(circle at 20% 70%, rgba(141, 240, 198, 0.08), transparent 22rem),
    linear-gradient(135deg, var(--shadow) 0%, var(--deep) 42%, #19030e 100%);
  font-family: var(--font-body);
}

body.opened .hero-lens { filter: saturate(1.22) brightness(1.08); }
body.key-turned .connector-wave path,
body.seal-pulse .ambient-line { animation-duration: 1.4s; stroke: var(--mint); }

.cabinet-vignette {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
  background:
    radial-gradient(ellipse at center, transparent 36%, rgba(18, 3, 11, 0.62) 100%),
    repeating-linear-gradient(90deg, rgba(244,216,200,.025) 0 1px, transparent 1px 74px);
  mix-blend-mode: multiply;
}

.liquid-glow {
  position: fixed;
  inset: auto -10vw -32vh 4vw;
  height: 54vh;
  border-radius: 50%;
  background: radial-gradient(ellipse, rgba(217, 75, 120, 0.38), rgba(122, 18, 56, 0.13) 44%, transparent 70%);
  filter: blur(34px);
  pointer-events: none;
}

.ambient-waves {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: .36;
}

.ambient-line {
  fill: none;
  stroke: var(--rose);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 10 18;
  animation: waveDrift 9s ease-in-out infinite alternate;
}

.line-two { stroke: var(--gold); opacity: .32; animation-delay: -2s; }

.quest-cabinet {
  position: relative;
  z-index: 1;
  padding-left: clamp(5.5rem, 10vw, 11rem);
}

.spring-rail {
  position: fixed;
  left: clamp(1.1rem, 3vw, 3.2rem);
  top: 11vh;
  bottom: 11vh;
  z-index: 4;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  width: 4.2rem;
  padding: 1.1rem .55rem;
  border: 1px solid rgba(244,216,200,.18);
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(122,18,56,.52), rgba(38,6,22,.38));
  box-shadow: inset 0 0 22px rgba(244,216,200,.08), 0 22px 70px rgba(18,3,11,.7);
  backdrop-filter: blur(18px);
}

.spring-rail::before {
  content: "";
  position: absolute;
  top: 2.7rem;
  bottom: 2.7rem;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  background: linear-gradient(var(--rose), var(--gold), var(--rose));
  opacity: .45;
}

.rail-bead {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.7rem;
  height: 2.7rem;
  color: var(--parchment);
  text-decoration: none;
  border-radius: 50%;
  border: 1px solid rgba(244,216,200,.28);
  background: radial-gradient(circle at 35% 25%, rgba(244,216,200,.23), rgba(122,18,56,.62));
  box-shadow: 0 0 0 0 rgba(141,240,198,0), inset 0 0 16px rgba(18,3,11,.35);
  transition: transform .45s cubic-bezier(.2,1.65,.33,1), box-shadow .4s, background .4s;
}

.rail-bead span { font: 600 .78rem/1 var(--font-label); letter-spacing: .1em; }
.rail-bead::after {
  content: attr(data-label);
  position: absolute;
  left: 3.55rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--mint);
  font: 600 .75rem/1 var(--font-label);
  letter-spacing: .2em;
  text-transform: uppercase;
  opacity: 0;
  transition: opacity .35s, transform .35s;
}
.rail-bead.active { transform: scale(1.22); background: radial-gradient(circle at 35% 25%, var(--mint), var(--glass) 58%); box-shadow: 0 0 28px rgba(141,240,198,.45); }
.rail-bead.active::after, .rail-bead:hover::after { opacity: 1; transform: translate(.35rem, -50%); }

.chamber {
  min-height: 100vh;
  position: relative;
  padding: clamp(4rem, 8vh, 6.5rem) clamp(1.2rem, 5vw, 5rem) clamp(4rem, 8vh, 7rem) 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.2rem, 3vh, 2rem);
}

.hero-chamber { justify-content: flex-start; padding-top: clamp(2.8rem, 7vh, 5rem); }

.hero-lens {
  width: min(58rem, 88vw);
  min-height: 22rem;
  padding: clamp(1.4rem, 4vw, 3.5rem);
  border-radius: 48% 52% 42% 58% / 58% 42% 56% 44%;
  border: 1px solid rgba(244,216,200,.24);
  background:
    radial-gradient(circle at 18% 20%, rgba(244,216,200,.16), transparent 22%),
    radial-gradient(circle at 80% 68%, rgba(141,240,198,.08), transparent 20%),
    linear-gradient(135deg, rgba(122,18,56,.52), rgba(38,6,22,.24));
  box-shadow: inset 0 0 42px rgba(244,216,200,.10), inset 0 -34px 80px rgba(18,3,11,.32), 0 45px 100px rgba(18,3,11,.72);
  backdrop-filter: blur(22px);
  transform-origin: 18% 12%;
}

.specimen-label {
  margin: 0 0 .9rem;
  color: var(--gold);
  font-family: var(--font-label);
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .22em;
  text-transform: uppercase;
}

h1, h2 { margin: 0; font-family: var(--font-head); letter-spacing: -.055em; line-height: .92; }
h1 { font-size: clamp(4.6rem, 13vw, 11.8rem); text-shadow: 0 0 42px rgba(217,75,120,.55); }
h1 span { color: var(--mint); }
h2 { font-size: clamp(2.6rem, 6.4vw, 6.8rem); max-width: 13ch; }
p { font-size: clamp(1rem, 1.45vw, 1.22rem); line-height: 1.65; color: rgba(244,216,200,.82); max-width: 42rem; }

.hero-wave { width: min(46rem, 74vw); height: 6.4rem; margin-top: 1rem; overflow: visible; }
.hero-wave path, .connector-wave path, .diagram-card path, .lens-token path {
  fill: none;
  stroke: var(--rose);
  stroke-width: 5;
  stroke-linecap: round;
  stroke-dasharray: 19 13;
  filter: drop-shadow(0 0 13px rgba(217,75,120,.8));
  animation: tremble 2.8s ease-in-out infinite;
}

.clue-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem;
  max-width: 76rem;
}
.clue-tabs span, .verb-ribbons span, .note-strip {
  border: 1px solid rgba(244,216,200,.2);
  background: rgba(122,18,56,.38);
  backdrop-filter: blur(16px);
  border-radius: 999px;
  padding: .85rem 1.1rem;
  color: var(--parchment);
  box-shadow: inset 0 0 22px rgba(244,216,200,.08), 0 16px 40px rgba(18,3,11,.38);
}

.f-band, .unlock-grid, .final-seal {
  position: relative;
  width: min(82rem, 92vw);
  border: 1px solid rgba(244,216,200,.18);
  border-radius: 2.2rem;
  background:
    linear-gradient(135deg, rgba(244,216,200,.10), transparent 30%),
    linear-gradient(115deg, rgba(122,18,56,.48), rgba(38,6,22,.38));
  box-shadow: inset 0 1px 0 rgba(244,216,200,.18), inset 0 -24px 60px rgba(18,3,11,.24), 0 35px 90px rgba(18,3,11,.55);
  backdrop-filter: blur(24px);
}

.f-band {
  display: grid;
  grid-template-columns: minmax(16rem, 1fr) minmax(16rem, .9fr);
  gap: clamp(1.3rem, 5vw, 5rem);
  align-items: center;
  padding: clamp(1.3rem, 4vw, 3rem);
  transform: rotate(-.8deg);
}
.top-band { margin-top: auto; }
.glass-shelf { transform: rotate(1deg); }
.turn-band { transform: rotate(-1.2deg); }
.band-copy.wide h2 { max-width: 16ch; }

.collage-stack, .artifact-board, .verb-ribbons { position: relative; min-height: 20rem; }
.scrap, .map-scrap, .diagram-card {
  position: absolute;
  color: var(--deep);
  background: linear-gradient(135deg, var(--parchment), #eabda9);
  box-shadow: 0 18px 45px rgba(18,3,11,.38), inset 0 0 0 1px rgba(38,6,22,.12);
}
.scrap { padding: 1.4rem; min-width: 13rem; border-radius: 1rem 1.8rem .9rem 2rem; font-weight: 700; }
.scrap em { display: block; margin-top: .55rem; font: 500 .82rem/1.1 var(--font-label); letter-spacing: .12em; text-transform: uppercase; color: var(--glass); }
.scrap strong { color: var(--rose); font-size: 2.2rem; }
.burgundy-film { right: 6%; top: 22%; color: var(--parchment); background: linear-gradient(145deg, rgba(122,18,56,.82), rgba(217,75,120,.36)); backdrop-filter: blur(8px); }
.parchment { left: 3%; top: 3%; }
.rotated-left { transform: rotate(-8deg); }
.rotated-right { transform: rotate(7deg); }

.wax-seal, .spine-node {
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 25%, var(--gold), #b65b23 70%);
  color: var(--deep);
  font: 700 1rem/1 var(--font-head);
  box-shadow: 0 0 0 8px rgba(245,184,90,.12), 0 18px 42px rgba(18,3,11,.45);
}
.wax-seal { position: absolute; right: 34%; bottom: 5%; width: 5.7rem; height: 5.7rem; }
.spine-node { position: absolute; left: -5.4rem; top: 50%; width: 3.8rem; height: 3.8rem; transform: translateY(-50%); }
.tiny-key { position: absolute; right: 19%; top: 6%; width: 8rem; height: 1.2rem; border-radius: 1rem; background: var(--gold); transform: rotate(-18deg); box-shadow: 0 0 22px rgba(245,184,90,.5); }
.tiny-key::before { content: ""; position: absolute; left: -2.1rem; top: -.85rem; width: 2.8rem; height: 2.8rem; border: .55rem solid var(--gold); border-radius: 50%; }
.tiny-key::after { content: ""; position: absolute; right: -.7rem; top: .8rem; width: 1.8rem; height: 1.1rem; background: var(--gold); clip-path: polygon(0 0,100% 0,100% 48%,64% 48%,64% 100%,24% 100%,24% 48%,0 48%); }

.map-scrap { left: 0; top: 8%; padding: 2rem 2.8rem; border-radius: 45% 55% 52% 48% / 18% 28% 72% 82%; transform: rotate(5deg); font: 700 1.4rem var(--font-head); }
.scallop { outline: 12px dotted rgba(244,216,200,.18); }
.lens-token { position: absolute; right: 9%; top: 3%; width: 11rem; height: 11rem; border-radius: 50%; padding: 1.9rem; border: 1px solid rgba(244,216,200,.22); background: radial-gradient(circle, rgba(244,216,200,.16), rgba(122,18,56,.42)); backdrop-filter: blur(18px); }
.lens-token path { stroke: var(--mint); stroke-width: 7; }
.note-strip { position: absolute; bottom: 10%; left: 18%; border-radius: 1rem; transform: rotate(-3deg); }

.spring-key {
  justify-self: center;
  position: relative;
  width: 19rem;
  height: 12rem;
  border: 0;
  background: transparent;
  cursor: pointer;
  filter: drop-shadow(0 0 28px rgba(245,184,90,.38));
  transition: transform .75s cubic-bezier(.2,1.6,.34,1);
}
.spring-key:hover, .spring-key.turned { transform: rotate(28deg) scale(1.04); }
.key-ring { position: absolute; left: 1rem; top: 2rem; width: 7rem; height: 7rem; border: 1.2rem solid var(--gold); border-radius: 50%; }
.key-shaft { position: absolute; left: 7rem; top: 5.1rem; width: 9rem; height: 1.35rem; border-radius: 1rem; background: var(--gold); }
.key-teeth { position: absolute; right: 1rem; top: 4.9rem; width: 3.5rem; height: 3.3rem; background: var(--gold); clip-path: polygon(0 0,100% 0,100% 36%,70% 36%,70% 100%,43% 100%,43% 42%,0 42%); }

.connector-wave { align-self: flex-end; width: min(58rem, 82vw); height: 9rem; overflow: visible; margin-right: 5vw; }
.connector-wave path { stroke: var(--gold); stroke-width: 4; }

.unlock-grid {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 2rem;
  padding: clamp(1.6rem, 5vw, 3.2rem);
  transform: rotate(.7deg);
}
.large-fragment { grid-row: span 2; }
.verb-ribbons { display: flex; flex-wrap: wrap; align-content: center; gap: .75rem; min-height: 9rem; }
.verb-ribbons span:nth-child(2n) { transform: translateY(1.1rem) rotate(2deg); color: var(--mint); }
.diagram-card { position: relative; inset: auto; min-height: 13rem; padding: 1.4rem; border-radius: 1.3rem; color: var(--parchment); background: rgba(18,3,11,.32); backdrop-filter: blur(10px); }
.diagram-card svg { width: 100%; height: 7rem; }
.diagram-card p { margin: .5rem 0 0; font-size: 1rem; }

.final-chamber { align-items: flex-start; }
.final-seal { width: min(54rem, 88vw); padding: clamp(1.8rem, 5vw, 4rem); transform: rotate(-.6deg); }
.final-seal h2 { max-width: 12ch; }
.quest-seal {
  margin-top: 1.4rem;
  border: 0;
  border-radius: 999px;
  padding: 1rem 1.45rem;
  color: var(--deep);
  background: radial-gradient(circle at 30% 20%, var(--mint), var(--gold));
  font: 700 1.05rem/1 var(--font-label);
  letter-spacing: .18em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 0 34px rgba(141,240,198,.38), inset 0 0 0 1px rgba(18,3,11,.12);
  transition: transform .5s cubic-bezier(.2,1.7,.32,1), box-shadow .4s;
}
.quest-seal:hover { transform: translateY(-.25rem) scale(1.05); box-shadow: 0 0 58px rgba(141,240,198,.58); }

.reveal-spring { opacity: 0; transform: translateY(4rem) scale(.96) rotate(var(--tilt, 0deg)); transition: opacity .8s ease, transform 1.05s cubic-bezier(.17,1.55,.35,1); }
.reveal-spring.in-view { opacity: 1; transform: translateY(0) scale(1) rotate(var(--tilt, 0deg)); }
.top-band.reveal-spring { --tilt: -.8deg; }
.glass-shelf.reveal-spring { --tilt: 1deg; }
.turn-band.reveal-spring { --tilt: -1.2deg; }
.unlock-grid.reveal-spring { --tilt: .7deg; }
.final-seal.reveal-spring { --tilt: -.6deg; }
.delay-one { transition-delay: .22s; }
.delay-two { transition-delay: .42s; }

@keyframes tremble {
  0%, 100% { stroke-dashoffset: 0; transform: translateY(0); }
  50% { stroke-dashoffset: -32; transform: translateY(3px); }
}

@keyframes waveDrift {
  from { stroke-dashoffset: 0; transform: translateX(-1.4rem); }
  to { stroke-dashoffset: -80; transform: translateX(1.4rem); }
}

@media (max-width: 820px) {
  .quest-cabinet { padding-left: 5.2rem; }
  .spring-rail { left: .8rem; width: 3.5rem; }
  .rail-bead { width: 2.25rem; height: 2.25rem; }
  .rail-bead::after { display: none; }
  .f-band, .unlock-grid { grid-template-columns: 1fr; }
  .collage-stack, .artifact-board { min-height: 17rem; }
  h1 { font-size: clamp(3.4rem, 18vw, 6rem); }
  h2 { font-size: clamp(2.2rem, 11vw, 4rem); }
  .spring-key { width: 14rem; transform: scale(.82); }
}