:root {
  --cream: #FFF1D2;
  --ink: #17100D;
  --copper: #E36B2C;
  --parchment: #F4C27A;
  --rose: #C65A68;
  --brass: #A97838;
  --aubergine: #2A1724;
  --display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --serif: "Cormorant Garamond", Georgia, serif;
  --hand: "Caveat", "Bradley Hand", cursive;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--serif);
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 20;
  background:
    radial-gradient(circle at 18% 14%, rgba(244, 194, 122, .13), transparent 22%),
    radial-gradient(circle at 80% 26%, rgba(198, 90, 104, .12), transparent 24%),
    repeating-linear-gradient(90deg, rgba(255, 241, 210, .035) 0 1px, transparent 1px 92px),
    linear-gradient(rgba(23, 16, 13, .05), rgba(23, 16, 13, .38));
  mix-blend-mode: screen;
}

.manor-glow {
  position: fixed;
  inset: -20%;
  z-index: -2;
  background:
    linear-gradient(116deg, transparent 0 31%, rgba(227, 107, 44, .34) 32%, rgba(244, 194, 122, .18) 42%, transparent 58%),
    radial-gradient(circle at 52% 8%, rgba(169, 120, 56, .38), transparent 26%),
    linear-gradient(160deg, var(--ink), var(--aubergine) 52%, #140d09);
  transition: filter .9s ease, transform .9s ease;
}

.dust-field {
  position: fixed;
  inset: 0;
  z-index: 15;
  pointer-events: none;
  overflow: hidden;
}

.dust {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--cream);
  opacity: .42;
  box-shadow: 0 0 11px rgba(255, 241, 210, .75);
  transform: translate3d(var(--x), var(--y), 0);
  animation: floatDust var(--d) linear infinite;
}

.chapter-tabs {
  position: fixed;
  right: 1.4rem;
  top: 50%;
  transform: translateY(-50%);
  z-index: 30;
  display: grid;
  gap: .55rem;
}

.tab {
  font-family: var(--display);
  letter-spacing: .08em;
  text-decoration: none;
  color: rgba(255, 241, 210, .62);
  writing-mode: vertical-rl;
  padding: .75rem .34rem;
  border: 1px solid rgba(169, 120, 56, .45);
  background: rgba(42, 23, 36, .46);
  transition: color .35s ease, border-color .35s ease, background .35s ease;
}

.tab.is-active {
  color: var(--cream);
  border-color: var(--copper);
  background: rgba(169, 120, 56, .5);
}

.room {
  min-height: 100vh;
  position: relative;
  display: grid;
  place-items: center;
  padding: clamp(4rem, 8vw, 7rem) clamp(1rem, 7vw, 8rem);
  isolation: isolate;
  overflow: hidden;
}

.room::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(123deg, transparent 0 44%, rgba(227, 107, 44, .26) 45%, rgba(244, 194, 122, .12) 55%, transparent 68%),
    radial-gradient(circle at 7% 90%, rgba(198, 90, 104, .12), transparent 28%);
  opacity: .8;
}

.hero-room { background: linear-gradient(150deg, #17100D 0%, #2A1724 62%, #17100D 100%); }
.ledger-room { background: linear-gradient(110deg, #2A1724 0%, #17100D 54%, #3a1b12 100%); }
.pantry-room { background: linear-gradient(135deg, #17100D 0%, #5d2b17 50%, #2A1724 100%); }
.library-room { background: linear-gradient(155deg, #100b09 0%, #2A1724 46%, #17100D 100%); }
.attic-room { background: linear-gradient(145deg, #2A1724 0%, #17100D 58%, #3b1b21 100%); }

.aged-wall {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  opacity: .28;
  z-index: -1;
}

.aged-wall span {
  border-right: 1px solid rgba(244, 194, 122, .32);
  background:
    linear-gradient(90deg, rgba(255, 241, 210, .1), transparent 30%, rgba(169, 120, 56, .12)),
    repeating-linear-gradient(0deg, transparent 0 28px, rgba(244, 194, 122, .08) 29px 30px);
}

.hero-ledger, .vellum-panel, .tilted-card, .library-card, .final-sheet {
  position: relative;
  max-width: 830px;
  padding: clamp(2rem, 5vw, 4.4rem);
  color: var(--ink);
  background:
    radial-gradient(circle at 14% 9%, rgba(198, 90, 104, .22), transparent 18%),
    linear-gradient(135deg, rgba(255, 241, 210, .92), rgba(244, 194, 122, .85));
  border: 1px solid rgba(169, 120, 56, .8);
  box-shadow: 0 32px 90px rgba(0, 0, 0, .48), inset 0 0 0 8px rgba(255, 241, 210, .16);
  clip-path: polygon(1% 2%, 98% 0, 100% 96%, 88% 100%, 3% 98%, 0 28%);
}

.hero-ledger h1 {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(5.6rem, 17vw, 16rem);
  line-height: .78;
  letter-spacing: .035em;
  color: var(--ink);
  text-shadow: 2px 2px 0 rgba(169, 120, 56, .45), -1px -1px 0 rgba(255, 241, 210, .55);
}

h2 {
  margin: .1rem 0 1.1rem;
  font-family: var(--display);
  font-size: clamp(3.4rem, 8vw, 7.8rem);
  line-height: .88;
  letter-spacing: .04em;
}

p {
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  line-height: 1.55;
}

.chapter-mark {
  margin: 0 0 1rem;
  font-family: var(--display);
  font-size: 1.2rem;
  letter-spacing: .18em;
  color: var(--copper);
}

.hero-copy { max-width: 620px; }
.ink-note, .hand-note, .ribbon-tag {
  font-family: var(--hand);
  color: var(--rose);
  font-size: clamp(1.8rem, 3vw, 2.7rem);
  transform: rotate(-4deg);
}

.brass-bell {
  position: absolute;
  top: clamp(1rem, 4vw, 3rem);
  left: 50%;
  z-index: 6;
  width: 110px;
  height: 95px;
  transform: translateX(-50%);
  border: 0;
  background: transparent;
  cursor: pointer;
}

.bell-dome, .bell-stem, .bell-base, .bell-ring { position: absolute; left: 50%; transform: translateX(-50%); }
.bell-dome {
  bottom: 18px;
  width: 82px;
  height: 48px;
  border-radius: 48px 48px 10px 10px;
  background: radial-gradient(circle at 30% 20%, #FFF1D2, #F4C27A 22%, #A97838 62%, #6d431c);
  box-shadow: 0 8px 26px rgba(227, 107, 44, .28);
}
.bell-stem { top: 10px; width: 16px; height: 42px; border-radius: 99px; background: var(--brass); }
.bell-base { bottom: 12px; width: 104px; height: 12px; border-radius: 50%; background: #A97838; }
.bell-ring {
  inset: auto auto 0 50%;
  width: 20px;
  height: 20px;
  border: 2px solid var(--copper);
  border-radius: 50%;
  opacity: 0;
}
.brass-bell.rang { animation: bellTremble .72s ease; }
.brass-bell.rang .bell-ring { animation: bellGlow 1.1s ease-out; }

.feather-duster {
  position: absolute;
  top: 22%;
  left: -8rem;
  width: 330px;
  height: 78px;
  transform: rotate(-12deg);
  animation: dusterPass 14s ease-in-out infinite;
}
.feather-duster i {
  position: absolute;
  right: 0;
  width: 120px;
  height: 24px;
  border-radius: 80% 20% 80% 20%;
  background: linear-gradient(90deg, rgba(255, 241, 210, .9), rgba(198, 90, 104, .66));
  transform-origin: right center;
}
.feather-duster i:nth-child(1) { top: 0; transform: rotate(-18deg); }
.feather-duster i:nth-child(2) { top: 22px; transform: rotate(3deg); }
.feather-duster i:nth-child(3) { top: 44px; transform: rotate(21deg); }
.feather-duster b { position: absolute; left: 0; top: 34px; width: 230px; height: 12px; background: var(--brass); border-radius: 20px; }

.floating-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.4s ease;
}
.floating-cards.visible { opacity: 1; }
.quest-card {
  position: absolute;
  display: block;
  padding: .9rem 1.2rem;
  font-family: var(--hand);
  font-size: 1.7rem;
  color: var(--ink);
  background: rgba(255, 241, 210, .82);
  border: 1px solid rgba(169, 120, 56, .7);
  box-shadow: 0 20px 45px rgba(0,0,0,.32);
  animation: hoverCard 5s ease-in-out infinite;
}
.quest-card:nth-child(1) { top: 24%; left: 8%; transform: rotate(-8deg); }
.quest-card:nth-child(2) { top: 67%; right: 10%; transform: rotate(7deg); animation-delay: .8s; }
.quest-card:nth-child(3) { top: 13%; right: 14%; transform: rotate(4deg); animation-delay: 1.5s; }

.parchment-rise { animation: sheetRise 1.4s cubic-bezier(.22,.82,.25,1) both; }
.reveal { opacity: 0; filter: blur(14px); transform: translateY(58px) rotate(var(--tilt, 0deg)); transition: opacity 1.15s ease, filter 1.15s ease, transform 1.15s ease; }
.reveal.in-view { opacity: 1; filter: blur(0); transform: translateY(0) rotate(var(--tilt, 0deg)); }

.door-slit { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(23,16,13,.9), transparent 25%, transparent 72%, rgba(23,16,13,.88)); pointer-events:none; }
.vertical-label {
  position: absolute;
  left: clamp(.6rem, 3vw, 3rem);
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--display);
  font-size: clamp(6rem, 18vw, 18rem);
  letter-spacing: .06em;
  color: rgba(244, 194, 122, .11);
  writing-mode: vertical-rl;
}

.ledger-lines { list-style: none; padding: 0; margin: 2rem 0 0; border-top: 1px solid rgba(169,120,56,.52); }
.ledger-lines li { padding: .75rem 0; border-bottom: 1px solid rgba(169,120,56,.36); font-size: 1.35rem; }
.ledger-lines span { font-family: var(--display); color: var(--copper); margin-right: 1rem; }

.floating-key {
  position: absolute;
  width: 104px;
  height: 40px;
  border: 8px solid var(--brass);
  border-right: 0;
  border-radius: 28px 0 0 28px;
  filter: drop-shadow(0 0 24px rgba(244,194,122,.25));
  animation: keyDrift 8s ease-in-out infinite;
}
.floating-key::before { content:""; position:absolute; right:-80px; top:8px; width:88px; height:8px; background:var(--brass); }
.floating-key::after { content:""; position:absolute; right:-87px; top:14px; width:30px; height:22px; border-right:8px solid var(--brass); border-bottom:8px solid var(--brass); }
.key-one { right: 12%; bottom: 14%; transform: rotate(18deg); }
.key-two { left: 10%; top: 16%; transform: rotate(-22deg); animation-delay: 1.2s; }

.ribbon-tag { position: absolute; right: 14%; top: 15%; padding: .4rem 1.3rem; background: rgba(198,90,104,.22); border: 1px solid var(--rose); }
.tilted-card { --tilt: -3deg; justify-self: start; }
.sun-window { position: absolute; right: 7%; top: 10%; width: 280px; height: 390px; border: 10px solid var(--brass); box-shadow: 0 0 90px rgba(227,107,44,.34); display:grid; grid-template-columns:1fr 1fr; gap:7px; padding:7px; transform: rotate(5deg); }
.sun-window span { background: linear-gradient(150deg, rgba(255,241,210,.6), rgba(227,107,44,.22)); }
.teacup { position: absolute; right: 18%; bottom: 10%; width: 150px; height: 78px; border: 10px solid var(--cream); border-top: 0; border-radius: 0 0 80px 80px; }
.teacup::after { content:""; position:absolute; right:-46px; top:10px; width:48px; height:44px; border:8px solid var(--cream); border-left:0; border-radius:0 50% 50% 0; }
.teacup span { position:absolute; bottom:82px; width:16px; height:86px; background:linear-gradient(transparent, rgba(255,241,210,.5), transparent); border-radius:99px; animation: steam 3s ease-in-out infinite; }
.teacup span:nth-child(1){ left:28px; } .teacup span:nth-child(2){ left:66px; animation-delay:.5s; } .teacup span:nth-child(3){ left:102px; animation-delay:1s; }
.hand-note { position: absolute; left: 10%; bottom: 12%; color: var(--cream); }

.ladder { position:absolute; right:12%; top:4%; width:120px; height:80%; border-left:10px solid var(--brass); border-right:10px solid var(--brass); transform: rotate(10deg); opacity:.62; }
.ladder::before { content:""; position:absolute; inset:5% -20px; background:repeating-linear-gradient(0deg, transparent 0 48px, var(--brass) 49px 57px); }
.book-rules { position:absolute; inset:auto 0 0 0; height:38%; background:repeating-linear-gradient(90deg, rgba(244,194,122,.16) 0 26px, rgba(198,90,104,.14) 27px 48px, rgba(169,120,56,.18) 49px 78px); opacity:.45; }
.library-card { margin-right: 18vw; }
.wax-seal { position:absolute; right:30%; bottom:18%; width:96px; height:96px; border-radius:50%; display:grid; place-items:center; background:radial-gradient(circle, #C65A68, #7a2731); color:var(--cream); font-family:var(--display); font-size:2.4rem; box-shadow:0 18px 35px rgba(0,0,0,.42); }

.final-sheet { text-align: center; }
.apron { position:absolute; width:150px; height:190px; background:linear-gradient(#FFF1D2, rgba(244,194,122,.75)); clip-path:polygon(34% 0, 66% 0, 78% 100%, 18% 100%); opacity:.62; box-shadow:0 20px 80px rgba(255,241,210,.14); animation: apronFloat 9s ease-in-out infinite; }
.apron::before { content:""; position:absolute; left:29%; top:10px; width:44%; height:42px; border:7px solid var(--rose); border-bottom:0; border-radius:50% 50% 0 0; }
.apron-a { left:8%; top:16%; transform:rotate(-9deg); }
.apron-b { right:13%; top:20%; transform:rotate(11deg); animation-delay:1.4s; }
.apron-c { left:22%; bottom:10%; transform:rotate(6deg); animation-delay:2.6s; }
.bell-pull { margin:1rem auto; display:inline-flex; align-items:center; gap:.85rem; border:1px solid var(--brass); background:rgba(42,23,36,.82); color:var(--cream); padding:.9rem 1.3rem; font-family:var(--display); font-size:1.45rem; letter-spacing:.12em; text-transform:uppercase; cursor:pointer; box-shadow:0 15px 38px rgba(0,0,0,.3); }
.bell-pull span { width:18px; height:56px; border-radius:99px; background:linear-gradient(var(--brass), var(--copper)); box-shadow:0 0 0 5px rgba(169,120,56,.18); transition:transform .35s ease; }
.bell-pull.pulled span { transform: translateY(12px); }
.final-note { min-height: 2rem; }

@keyframes sheetRise { from { opacity:0; transform:translateY(48vh) rotate(-2deg); } to { opacity:1; transform:translateY(0) rotate(0); } }
@keyframes bellTremble { 0%,100%{ transform:translateX(-50%) rotate(0); } 16%{ transform:translateX(-50%) rotate(-8deg); } 32%{ transform:translateX(-50%) rotate(7deg); } 48%{ transform:translateX(-50%) rotate(-5deg); } 64%{ transform:translateX(-50%) rotate(3deg); } }
@keyframes bellGlow { from { opacity:.9; transform:translateX(-50%) scale(.6); } to { opacity:0; transform:translateX(-50%) scale(9); } }
@keyframes dusterPass { 0%{ transform:translateX(0) rotate(-12deg); } 48%,55%{ transform:translateX(56vw) rotate(7deg); } 100%{ transform:translateX(115vw) rotate(-12deg); } }
@keyframes hoverCard { 0%,100%{ translate:0 0; } 50%{ translate:0 -18px; } }
@keyframes keyDrift { 0%,100%{ translate:0 0; rotate:0deg; } 50%{ translate:18px -22px; rotate:8deg; } }
@keyframes steam { 0%,100%{ opacity:.2; transform:translateY(18px) scaleX(.7); } 50%{ opacity:.85; transform:translateY(-10px) scaleX(1.15); } }
@keyframes apronFloat { 0%,100%{ translate:0 0; } 50%{ translate:0 -34px; } }
@keyframes floatDust { from { transform: translate3d(var(--x), 105vh, 0); } to { transform: translate3d(calc(var(--x) + var(--sway)), -5vh, 0); } }

@media (max-width: 780px) {
  .chapter-tabs { right: .4rem; }
  .room { padding-right: 3rem; }
  .sun-window, .ladder, .key-two { opacity: .28; }
  .library-card { margin-right: 0; }
  .hero-ledger h1 { font-size: clamp(4.2rem, 22vw, 8rem); }
}