:root{
  --cream:#fbf6ec;--paper:rgba(251,246,236,.86);--ink:#14281d;--ink-soft:#44584b;
  --clover:#2e9e5b;--clover-deep:#1d6b3d;--gold:#e9b949;--line:rgba(20,40,29,.14);
  --shadow:0 18px 50px rgba(15,35,24,.22);--radius:22px;
  --font:'Anuphan',system-ui,sans-serif;--display:'Kanit','Anuphan',system-ui,sans-serif;
  --out:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
/* smooth wheel scrolling (Lenis) takes over from the browser's own smooth scroll */
html.lenis,html.lenis body{height:auto}html.lenis{scroll-behavior:auto}
.lenis.lenis-stopped{overflow:clip}.lenis.lenis-smooth iframe{pointer-events:none}
body{margin:0;background:#cfe6dc;color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.65;overflow-x:hidden}
a{color:inherit}

/* The 3D stage sits behind everything; the DOM story remains the real content. */
.stage{position:fixed;top:0;left:0;width:100vw;height:100vh;height:100lvh;display:block;z-index:0;touch-action:pan-y}
.stage-fallback{position:fixed;inset:0;z-index:0;display:none;background:
  radial-gradient(60% 50% at 50% 30%,#fff7df 0,transparent 70%),linear-gradient(180deg,#cfe6dc,#f1e4cc 55%,#2a3552)}
.no-webgl .stage{display:none}.no-webgl .stage-fallback{display:block}

.topbar{position:fixed;top:0;left:0;right:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:max(12px,env(safe-area-inset-top)) 16px 12px;pointer-events:none}
.topbar>*{pointer-events:auto}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font:700 20px var(--display);
  background:var(--paper);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:6px 14px 6px 6px;border-radius:999px;box-shadow:0 6px 20px rgba(15,35,24,.12)}
.brand img{border-radius:50%}.brand em{font-style:normal;color:var(--clover)}
.clover-count{display:flex;align-items:center;gap:8px;border:0;cursor:pointer;font:700 15px var(--font);color:var(--ink);
  background:var(--paper);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:8px 14px;border-radius:999px;box-shadow:0 6px 20px rgba(15,35,24,.12)}
.leaves{width:24px;height:24px;display:block}
.leaves g{fill:#c9d8cc;transition:fill .4s}.leaves g.on{fill:var(--clover)}
.clover-count.pop{animation:pop .6s}
@keyframes pop{40%{transform:scale(1.18)}}
.clover-count.complete{background:linear-gradient(135deg,#fff3c8,#f5d77c)}

.rail{position:fixed;right:6px;top:50%;transform:translateY(-50%);z-index:15;display:flex;flex-direction:column;gap:0}
/* a 44 px touch target around a small drawn dot */
.rail a{position:relative;display:block;width:44px;height:44px;border-radius:50%}
.rail a::before{content:"";position:absolute;left:50%;top:50%;width:12px;height:12px;margin:-8px 0 0 -8px;border-radius:50%;background:rgba(20,40,29,.25);border:2px solid rgba(255,255,255,.8);transition:transform .4s var(--out),background .3s}
.rail a span{position:absolute;right:42px;top:50%;transform:translateY(-50%);white-space:nowrap;font-size:13px;font-weight:600;
  background:var(--paper);padding:2px 10px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity .25s}
.rail a:hover span,.rail a:focus-visible span,.rail a.active span{opacity:1}
.rail a.active::before{background:var(--clover);transform:scale(1.35)}
.night .rail a span{background:rgba(251,246,236,.92)}

main{position:relative;z-index:5}
.scene{min-height:150vh;display:flex;align-items:center;padding:96px 16px;padding-left:max(16px,6vw)}
.scene-hero{min-height:110vh;flex-direction:column;justify-content:flex-start;padding-top:13vh;align-items:center;text-align:center;padding-left:16px}
.scene-door{min-height:130vh}
.scene-finale{min-height:140vh;justify-content:center;padding-left:16px}

.card{width:min(440px,100%);background:var(--paper);backdrop-filter:blur(14px) saturate(1.2);-webkit-backdrop-filter:blur(14px) saturate(1.2);
  border:1px solid rgba(255,255,255,.7);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px 26px 22px}
/* cards arrive like a page in a magazine: the panel lifts in, the headline rises out of its line, chips follow one by one */
.js .card{opacity:0;transform:translateY(46px) scale(.985);transition:opacity .9s var(--out),transform 1.1s var(--out)}
.js .card.in{opacity:1;transform:none}
.card h2,.hero-card h1 .line{overflow:hidden;padding:.16em 0 .08em;margin-top:-.16em}
.rise{display:inline-block;transform:translateY(112%);transition:transform 1.1s var(--out) .12s}
.card.in .rise,.static .rise,.reduced .rise{transform:none}
.js .card .items li{opacity:0;transform:translateY(12px);transition:opacity .6s var(--out),transform .7s var(--out);transition-delay:calc(.35s + var(--i,0) * 60ms)}
.js .card.in .items li{opacity:1;transform:none}
.static .card,.reduced .card,.static .card .items li,.reduced .card .items li{opacity:1!important;transform:none!important;transition:none!important}
.card-small{width:min(380px,100%)}
.card h2{font:800 clamp(24px,3vw,30px)/1.3 var(--display);margin:4px 0 10px;letter-spacing:-.01em}
.card p{margin:0 0 12px;color:var(--ink-soft)}
.eyebrow{font-size:14px;font-weight:700;letter-spacing:.04em;color:var(--clover-deep)!important;margin:0 0 4px!important}
.card h2{font-weight:600}
.eyebrow b{display:inline-grid;place-items:center;min-width:30px;height:22px;margin-right:6px;border-radius:999px;background:var(--clover);color:#fff;font-size:12px}

.hero-card{width:min(760px,100%);background:transparent;border:0;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none;
  --drift:0;translate:0 calc(var(--drift) * -90px)}
.js .hero-card.in{opacity:calc(1 - var(--drift) * 1.1)}
/* loopless Thai display face, open leading: the two lines never touch (tone marks stack high in "นั้น") */
.hero-card h1{font:600 clamp(46px,8.4vw,104px)/1.18 var(--display);margin:4px 0 18px;letter-spacing:-.015em;color:var(--ink);text-shadow:0 2px 34px rgba(255,255,255,.55)}
.hero-card h1 .line{display:block}
.hero-card h1 .accent{color:var(--clover-deep);font-weight:700}
.hero-card h1 .line+.line .rise{transition-delay:.26s}
.hero-card .lede{display:inline-block;font-size:clamp(16px,1.9vw,19px);color:var(--ink);background:rgba(251,246,236,.74);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);padding:10px 20px;border-radius:18px;box-shadow:0 8px 24px rgba(15,35,24,.1)}
.quest{display:inline-block;margin-top:6px!important;padding:8px 16px;border-radius:999px;background:var(--paper);font-weight:600;color:var(--ink)!important;box-shadow:0 6px 20px rgba(15,35,24,.12)}
.scroll-cue{position:absolute;bottom:28px;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;text-decoration:none;font-size:14px;font-weight:600}
.scroll-cue i{width:24px;height:38px;border:2px solid var(--ink);border-radius:14px;position:relative}
.scroll-cue i::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--ink);animation:cue 1.8s infinite}
@keyframes cue{0%{opacity:0;transform:translateY(0)}30%{opacity:1}100%{opacity:0;transform:translateY(12px)}}
.scene-hero{position:relative}

.actions{display:flex;flex-wrap:wrap;gap:10px;margin:16px 0 6px}
.btn{display:inline-flex;align-items:center;gap:8px;min-height:46px;padding:10px 18px;border-radius:999px;font:700 16px var(--font);text-decoration:none;cursor:pointer;border:0;transition:transform .2s,box-shadow .2s,background .2s}
.btn:hover{transform:translateY(-2px)}
.btn.primary{background:var(--clover);color:#fff;box-shadow:0 8px 22px rgba(46,158,91,.35)}
.btn.primary:hover{background:var(--clover-deep)}
.btn.ghost{background:rgba(20,40,29,.07);color:var(--ink)}
.btn.gold{background:linear-gradient(135deg,#ffe8a3,var(--gold));color:#3b2a00;box-shadow:0 8px 22px rgba(233,185,73,.4)}
.btn.big{font-size:18px;min-height:54px;padding:12px 24px}
.btn:focus-visible,.find:focus-visible,.clover-count:focus-visible,.rail a:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.find{margin-top:10px;border:1px dashed rgba(46,158,91,.5);background:transparent;color:var(--clover-deep);font:600 14px var(--font);padding:6px 12px;border-radius:999px;cursor:pointer}
.find.found{border-style:solid;background:rgba(46,158,91,.12)}

.finale-card{width:min(560px,100%);text-align:center}
.finale-card .actions{justify-content:center}
.finale-card .lede{color:var(--ink)}
.more{font-size:14px;margin-top:10px!important}
.more a{color:var(--clover-deep);font-weight:600}

.foot{position:relative;z-index:5;text-align:center;padding:24px 16px 40px;font-size:13px;color:rgba(255,255,255,.75)}
.foot a{color:#fff}

.loader{position:fixed;inset:0;z-index:30;display:flex;flex-direction:column;gap:14px;align-items:center;justify-content:center;background:#cfe6dc;font-weight:600;transition:opacity .8s,visibility .8s}
.loader-clover{width:44px;height:44px;border-radius:50%;background:conic-gradient(var(--clover) 0 25%,#7cc59a 0 50%,var(--clover) 0 75%,#7cc59a 0);animation:spin 1.4s linear infinite;mask:radial-gradient(circle,transparent 30%,#000 32%);-webkit-mask:radial-gradient(circle,transparent 30%,#000 32%)}
@keyframes spin{to{transform:rotate(360deg)}}
body:not(.is-loading) .loader{opacity:0;visibility:hidden}

.tip{position:fixed;z-index:25;left:0;top:0;margin:0;padding:6px 12px;border-radius:12px;background:rgba(20,40,29,.9);color:#fff;font-size:14px;font-weight:600;pointer-events:none;white-space:nowrap;transform:translate(-50%,calc(-100% - 14px))}

.lucky{border:0;border-radius:28px;padding:0;width:min(440px,calc(100vw - 32px));background:linear-gradient(160deg,#fffdf6,#fbf1d6);color:var(--ink);box-shadow:0 30px 80px rgba(0,0,0,.35);text-align:center}
.lucky::backdrop{background:rgba(10,20,30,.55);backdrop-filter:blur(4px)}
.lucky form{padding:30px 24px 22px}
.lucky h2{font:800 28px/1.3 var(--display);margin:4px 0 12px}
.lucky-message{font-size:19px;line-height:1.6;margin:0 0 8px;min-height:3.2em}
.lucky .actions{justify-content:center}
.lucky-clover{display:block;width:76px;height:76px;margin:0 auto 10px;fill:var(--clover);animation:spin 14s linear infinite}
.lucky.golden{background:linear-gradient(160deg,#fff8dc,#f3d27a)}
@media (prefers-reduced-motion:reduce){.lucky-clover,.loader-clover,.scroll-cue i::after{animation:none}}

/* tools: SD/HD + clover counter */
.tools{display:flex;gap:8px;align-items:center}
.quality{display:flex;padding:3px;border-radius:999px;background:var(--paper);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 6px 20px rgba(15,35,24,.12)}
.quality button{border:0;background:transparent;font:800 13px var(--font);letter-spacing:.04em;color:var(--ink-soft);padding:7px 11px;border-radius:999px;cursor:pointer;transition:background .25s,color .25s}
.quality button[aria-pressed="true"]{background:var(--ink);color:#fff}
.quality button:focus-visible{outline:3px solid var(--gold);outline-offset:2px}

/* things you can pick up in each room */
.items{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:8px 0 4px;padding:0}
.items a{display:inline-flex;align-items:center;gap:4px;min-height:36px;padding:6px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:14px;font-weight:600;text-decoration:none;color:var(--ink);transition:transform .2s,border-color .2s,box-shadow .2s}
.items a:hover,.items a:focus-visible{transform:translateY(-2px);border-color:var(--clover);box-shadow:0 6px 16px rgba(46,158,91,.18);outline:none}

/* inspect panel: an object you picked up */
.inspect{position:fixed;z-index:22;right:24px;bottom:24px;width:min(360px,calc(100vw - 32px));padding:20px 20px 18px;border-radius:22px;
  background:linear-gradient(160deg,#fffdf6,#f6eedb);box-shadow:0 24px 60px rgba(15,35,24,.3);border:1px solid rgba(255,255,255,.8);
  opacity:0;transform:translateY(16px) scale(.98);transition:opacity .25s,transform .3s cubic-bezier(.2,.8,.2,1)}
.inspect.open{opacity:1;transform:none}
.inspect h3{font:800 22px/1.3 var(--display);margin:2px 0 6px}
.inspect p{margin:0 0 14px;color:var(--ink-soft);font-size:15px}
.inspect .btn{width:100%;justify-content:center}
.inspect-close{position:absolute;top:10px;right:10px;width:34px;height:34px;border:0;border-radius:50%;background:rgba(20,40,29,.07);font-size:22px;line-height:1;cursor:pointer;color:var(--ink)}
.inspect-close:focus-visible{outline:3px solid var(--gold)}

@media (max-width:760px){
  body{font-size:16px}
  .rail a span{display:none}
  .scene{align-items:flex-end;padding:80px 16px 28px;min-height:140vh}
  .scene-hero{align-items:center;justify-content:flex-start;padding-top:12vh;min-height:105vh}
  .scene-finale{align-items:flex-end}
  .card{padding:20px 18px 16px;width:100%}
  .card p{font-size:15px}
  .brand{font-size:17px}.brand span{display:none}.brand{padding:6px}
  .inspect{left:16px;right:16px;bottom:16px;width:auto}
  .items a{font-size:13px;min-height:34px;padding:5px 10px}
  .card h2{font-size:22px}
}

/* things that don't all fit on a phone card: the rest folds away */
.more-items{margin:4px 0 2px}
.more-items summary{cursor:pointer;list-style:none;display:inline-flex;align-items:center;gap:6px;min-height:36px;font-size:14px;font-weight:700;color:var(--clover-deep)}
.more-items summary::-webkit-details-marker{display:none}
.more-items summary::after{content:"+";display:inline-grid;place-items:center;width:22px;height:22px;border-radius:50%;background:rgba(46,158,91,.12);transition:transform .3s var(--out)}
.more-items[open] summary::after{transform:rotate(45deg)}
.more-items summary:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:8px}

/* house music (myClover Instrument): never plays by itself */
.music{position:fixed;left:16px;bottom:16px;z-index:21;display:flex;align-items:center;gap:10px;border:1px solid rgba(20,40,29,.12);
  background:var(--paper);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);color:var(--ink);border-radius:999px;padding:7px 18px 7px 7px;cursor:pointer;
  font:700 13.5px var(--font);box-shadow:0 16px 34px -14px rgba(18,40,28,.42);transition:transform .25s var(--out),border-color .2s}
.music:hover{transform:translateY(-3px);border-color:var(--gold)}
.music:focus-visible{outline:3px solid var(--gold);outline-offset:3px}
.music-ico{width:34px;height:34px;border-radius:50%;flex:none;display:grid;place-items:center;background:var(--gold);color:#fff;font-size:16px;font-style:normal;animation:ring 2.6s ease-out infinite}
.music-ico i.note{font-style:normal}
.music .eq{display:none;align-items:flex-end;gap:2px;height:14px}
.music .eq i{width:3px;height:5px;border-radius:2px;background:#fff;animation:eq .9s ease-in-out infinite}
.music .eq i:nth-child(2){animation-delay:.15s}.music .eq i:nth-child(3){animation-delay:.3s}.music .eq i:nth-child(4){animation-delay:.45s}
.music.playing .music-ico{background:var(--clover);animation:none}
.music.playing .note{display:none}.music.playing .eq{display:flex}
.music-lbl{display:flex;flex-direction:column;line-height:1.25;text-align:left;white-space:nowrap}
.music-lbl small{font:500 11.5px var(--font);color:var(--ink-soft)}
@keyframes ring{0%{box-shadow:0 0 0 0 rgba(233,185,73,.55)}70%{box-shadow:0 0 0 12px rgba(233,185,73,0)}100%{box-shadow:0 0 0 0 rgba(233,185,73,0)}}
@keyframes eq{0%,100%{height:4px}50%{height:14px}}
@media (prefers-reduced-motion:reduce){.music-ico,.music .eq i{animation:none}.music .eq i{height:9px}.rise{transition:none}}
@media (max-width:760px){
  .music{left:auto;right:12px;top:auto;bottom:auto;top:calc(max(12px,env(safe-area-inset-top)) + 54px);padding:5px}
  .music-lbl{display:none}.music-ico{width:32px;height:32px;font-size:14px}
  .scene{padding-right:34px}
  .rail{right:0}.rail a{width:32px;height:44px}.rail a::before{width:10px;height:10px;margin:-7px 0 0 -7px}
  .hero-card h1{font-size:clamp(44px,13.4vw,64px)}
}
.scene-stairs{min-height:130vh}