:root {
    /* DESIGN typography token: Grotesk** */
    --ledger-night: #101425;
    --vellum-fold: #F1DCA7;
    --proof-violet: #7C4DFF;
    --copper-stamp: #C46A2B;
    --batch-mint: #67F5C8;
    --canyon-umber: #5A3623;
    --lighthouse-milk: #FFF8E7;
    --scene-progress: 0;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    color: var(--ledger-night);
    background: var(--ledger-night);
    font-family: "Space Grotesk", Inter, sans-serif;
    overflow-x: hidden;
}

.quest {
    position: relative;
    min-height: 800vh;
    background:
        radial-gradient(circle at 18% 12%, rgba(124, 77, 255, .22), transparent 32rem),
        radial-gradient(circle at 82% 86%, rgba(103, 245, 200, .12), transparent 28rem),
        linear-gradient(135deg, #101425 0%, #171328 52%, #101425 100%);
}

.quest::before {
    content: "";
    position: fixed;
    inset: 0;
    pointer-events: none;
    opacity: .32;
    background-image:
        linear-gradient(30deg, rgba(241,220,167,.05) 1px, transparent 1px),
        linear-gradient(150deg, rgba(196,106,43,.06) 1px, transparent 1px),
        radial-gradient(rgba(255,248,231,.08) 1px, transparent 1px);
    background-size: 72px 72px, 96px 96px, 9px 9px;
}

.tabletop {
    position: fixed;
    inset: 0;
    z-index: 20;
    display: grid;
    place-items: center;
    background: radial-gradient(circle, rgba(90,54,35,.55), rgba(16,20,37,.98) 68%);
    transition: opacity .8s ease, transform .8s ease, visibility .8s;
}

body.unfolded .tabletop { opacity: 0; transform: scale(1.08) rotate(-2deg); visibility: hidden; }

.closed-map {
    width: min(72vw, 620px);
    aspect-ratio: 1.55;
    display: grid;
    place-items: center;
    padding: 3rem;
    cursor: pointer;
    color: var(--ledger-night);
    background:
        linear-gradient(90deg, transparent 48%, rgba(90,54,35,.26) 49%, rgba(90,54,35,.26) 51%, transparent 52%),
        repeating-linear-gradient(-4deg, rgba(196,106,43,.09) 0 2px, transparent 2px 18px),
        var(--vellum-fold);
    border: 3px solid var(--copper-stamp);
    border-radius: 18px 6px 22px 10px;
    box-shadow: 0 32px 80px rgba(0,0,0,.55), inset 0 0 0 12px rgba(255,248,231,.28);
    transform-origin: left center;
    animation: mapBreath 3s ease-in-out infinite;
}

.closed-map h1, h2 { font-family: "Fraunces", serif; font-weight: 900; }
.closed-map h1 { margin: .2rem 0; font-size: clamp(3rem, 9vw, 7.8rem); letter-spacing: -.08em; }
.closed-map p, .kicker, .chapter, .fold-index button { text-transform: uppercase; letter-spacing: .16em; font-weight: 700; }
.seal { display: grid; place-items: center; width: 86px; height: 86px; border-radius: 50%; color: var(--lighthouse-milk); background: var(--copper-stamp); font-family: "Uncial Antiqua", serif; font-size: 2.1rem; box-shadow: inset 0 0 0 8px rgba(90,54,35,.3); }

.route-stage { position: fixed; inset: 0; z-index: 8; pointer-events: none; }
.route-svg { position: absolute; inset: 8vh 6vw; width: 88vw; height: 84vh; overflow: visible; }
#routeGuide { fill: none; stroke: rgba(241,220,167,.22); stroke-width: 14; stroke-dasharray: 2 20; stroke-linecap: round; }
#routeDraw { fill: none; stroke: var(--proof-violet); stroke-width: 7; stroke-linecap: round; filter: url(#glow); stroke-dasharray: var(--route-length, 1); stroke-dashoffset: var(--route-offset, 1); }

.batch-scroll { position: fixed; z-index: 11; width: 34px; height: 34px; border-radius: 50%; background: var(--batch-mint); box-shadow: 0 0 22px var(--batch-mint), inset 0 0 0 8px rgba(16,20,37,.12); transform: translate(-50%, -50%); transition: border-radius .4s ease, width .4s ease, height .4s ease, background .4s ease; }
.batch-scroll span { position: absolute; inset: 8px; border: 2px solid var(--ledger-night); border-radius: inherit; }
body.phase-2 .batch-scroll { width: 76px; height: 26px; border-radius: 18px; background: var(--vellum-fold); }
body.phase-3 .batch-scroll { width: 42px; height: 42px; border-radius: 9px; background: var(--copper-stamp); }
body.phase-5 .batch-scroll { width: 50px; height: 50px; border-radius: 6px; background: var(--proof-violet); transform: translate(-50%, -50%) rotate(45deg); }
body.phase-7 .batch-scroll { width: 92px; height: 22px; border-radius: 2px; background: var(--lighthouse-milk); }

.fold-index { position: fixed; z-index: 30; top: 50%; left: 1rem; transform: translateY(-50%); display: grid; gap: .45rem; }
.fold-index button { width: 12px; height: 42px; padding: 0; overflow: hidden; border: 0; border-left: 3px solid var(--copper-stamp); background: rgba(241,220,167,.18); color: transparent; cursor: pointer; transition: .25s ease; }
.fold-index button.active { width: 34px; background: var(--batch-mint); border-color: var(--proof-violet); }

.scene {
    position: sticky;
    top: 0;
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: clamp(2rem, 5vw, 5rem);
    perspective: 1400px;
    overflow: hidden;
}

.cover { color: var(--lighthouse-milk); justify-items: end; align-items: end; }
.cover-copy { width: min(720px, 78vw); margin-left: auto; transform: rotate(-2deg); }
.cover h2 { font-size: clamp(3rem, 8vw, 8rem); line-height: .83; margin: 0; color: var(--vellum-fold); }
.cover p:last-child { font-size: 1.3rem; color: var(--batch-mint); }

.map-panel, .final-map {
    position: relative;
    width: min(760px, 82vw);
    padding: clamp(2rem, 5vw, 4.5rem);
    background:
        linear-gradient(135deg, rgba(255,248,231,.42), transparent 45%),
        repeating-linear-gradient(90deg, transparent 0 35px, rgba(90,54,35,.1) 36px 37px),
        var(--vellum-fold);
    border: 2px solid var(--copper-stamp);
    color: var(--ledger-night);
    box-shadow: 0 30px 70px rgba(0,0,0,.38), inset 0 0 0 10px rgba(255,248,231,.25);
    clip-path: polygon(2% 0, 96% 3%, 100% 92%, 94% 100%, 4% 97%, 0 8%);
    transform: rotateY(calc((1 - var(--scene-progress)) * -55deg)) rotateZ(-1.5deg);
    transform-origin: left center;
    transition: transform .5s ease;
}

.scene.active .map-panel, .scene.active .final-map { transform: rotateY(0deg) rotateZ(var(--tilt, -1deg)); }
.map-panel::before { content: ""; position: absolute; inset: 16px; border: 1px dashed rgba(90,54,35,.45); pointer-events: none; }
.chapter { margin: 0 0 1rem; color: var(--copper-stamp); font-size: .78rem; }
.map-panel h2, .final-map h2 { margin: 0 0 1rem; font-size: clamp(2.6rem, 6vw, 6.6rem); line-height: .88; letter-spacing: -.04em; }
.map-panel p:not(.chapter), .final-map p:not(.chapter) { max-width: 52ch; font-size: clamp(1rem, 1.4vw, 1.35rem); line-height: 1.55; }
code, .stamp, .ticket { font-family: "Azeret Mono", monospace; }
code { display: inline-block; margin-top: 1rem; color: var(--proof-violet); background: rgba(16,20,37,.08); padding: .7rem .9rem; }

.meadow { background: radial-gradient(circle at 70% 20%, rgba(103,245,200,.15), transparent 24rem); }
.bead-field { position: absolute; inset: 12vh 8vw; }
.bead { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: var(--batch-mint); box-shadow: 0 0 18px var(--batch-mint); animation: jitter 1.3s ease-in-out infinite alternate; }
.fold-table { background: linear-gradient(110deg, transparent, rgba(196,106,43,.16), transparent); }
.stamp { display: inline-block; margin-top: 1.2rem; padding: .8rem 1rem; border: 3px double var(--copper-stamp); color: var(--copper-stamp); transform: rotate(-3deg); animation: stampPress 2.8s infinite; }
.fold-machine { position: absolute; right: 11vw; bottom: 16vh; width: 230px; height: 170px; border: 2px solid var(--copper-stamp); transform: rotate(8deg); }
.fold-machine span { position: absolute; inset: 18px; border-top: 3px solid var(--vellum-fold); transform: rotate(calc(var(--i, 1) * 20deg)); }
.canyon { background: linear-gradient(#101425, #261b23 50%, #101425); }
.strata { position: absolute; inset: auto 0 0; height: 44vh; display: grid; gap: 12px; transform: skewY(-8deg); }
.strata i { background: linear-gradient(90deg, var(--canyon-umber), rgba(196,106,43,.45), var(--canyon-umber)); opacity: .75; }
.switchback-ridge b { position: absolute; width: 54vw; height: 4px; right: -8vw; background: var(--copper-stamp); transform: rotate(calc(18deg + var(--n, 0) * -17deg)); box-shadow: 0 0 20px rgba(196,106,43,.45); }
.kiln { background: radial-gradient(circle at center, rgba(196,106,43,.38), transparent 34rem), var(--ledger-night); }
.proof-tile { display: grid; place-items: center; margin-top: 1rem; width: 82px; height: 82px; background: var(--proof-violet); color: var(--lighthouse-milk); font-family: "Fraunces"; font-size: 3rem; transform: rotate(45deg); box-shadow: 0 0 28px var(--proof-violet); }
.smoke span { position: absolute; bottom: 20vh; left: calc(45vw + var(--s, 0px)); width: 80px; height: 170px; border-radius: 50%; border-left: 3px solid rgba(255,248,231,.35); animation: smokeCurl 4s ease-in-out infinite; }
.bridge { background: linear-gradient(180deg, #101425, #251824); }
.bridge-lines em { position: absolute; left: 16vw; right: 12vw; bottom: calc(24vh + var(--b, 0px)); height: 3px; background: var(--vellum-fold); transform-origin: left; animation: cableTighten 2.4s ease-in-out infinite; }
.lighthouse { color: var(--lighthouse-milk); background: radial-gradient(circle at 82% 16%, rgba(255,248,231,.28), transparent 22rem), #101425; }
.final-map { --tilt: 2deg; z-index: 4; transform-origin: bottom center; }
.final-seal { display: inline-grid; place-items: center; width: 120px; height: 120px; margin-top: 1rem; border-radius: 50%; background: var(--copper-stamp); color: var(--lighthouse-milk); font-family: "Uncial Antiqua"; font-size: 1.15rem; box-shadow: inset 0 0 0 12px rgba(90,54,35,.32); }
.lighthouse-tower { position: absolute; right: 10vw; bottom: 0; width: 86px; height: 42vh; background: linear-gradient(90deg, var(--canyon-umber), var(--vellum-fold), var(--canyon-umber)); clip-path: polygon(30% 0, 70% 0, 100% 100%, 0 100%); }
.lighthouse-beam { position: absolute; right: 11vw; top: 10vh; width: 64vw; height: 34vh; transform-origin: right center; background: linear-gradient(90deg, transparent, rgba(255,248,231,.38), rgba(103,245,200,.18)); clip-path: polygon(100% 44%, 0 0, 0 100%); animation: beamSweep 5s ease-in-out infinite; }

@keyframes mapBreath { 50% { transform: rotateX(5deg) rotateZ(-1deg); } }
@keyframes jitter { to { transform: translate(5px, -7px) scale(1.2); } }
@keyframes stampPress { 0%, 70%, 100% { transform: translateY(0) rotate(-3deg); } 76% { transform: translateY(10px) rotate(-3deg) scaleY(.85); } }
@keyframes smokeCurl { 50% { transform: translateY(-70px) translateX(28px) rotate(18deg); opacity: .35; } 100% { transform: translateY(-130px) translateX(-16px); opacity: 0; } }
@keyframes cableTighten { 50% { transform: scaleX(.94); } }
@keyframes beamSweep { 50% { transform: rotate(-8deg); opacity: .62; } }

@media (max-width: 760px) {
    .fold-index { display: none; }
    .map-panel, .final-map { width: 90vw; }
    .route-svg { inset: 14vh 2vw; width: 96vw; height: 72vh; }
}