:root{
  --ink:#0A1723; --ink2:#132536; --blue:#4AB0EC; --paper:#F4F1EA; --paper2:#E9E4D8;
  --muted:rgba(244,241,234,.55); --line:rgba(244,241,234,.14);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--ink);color:var(--paper);font-family:Inter,system-ui,sans-serif;-webkit-font-smoothing:antialiased;overflow-x:hidden}
h1,h2,h3,.serif{font-family:Fraunces,Georgia,serif;font-weight:500;letter-spacing:-.02em}
a{color:inherit}

/* NAV */
nav{position:fixed;inset:0 0 auto 0;z-index:50;display:flex;justify-content:space-between;align-items:center;padding:14px 22px;
  background:rgba(10,23,35,.55);backdrop-filter:saturate(1.4) blur(14px);-webkit-backdrop-filter:saturate(1.4) blur(14px);border-bottom:1px solid var(--line);font-size:13px}
nav .brand{display:flex;gap:9px;align-items:center;font-weight:600;letter-spacing:.14em}
nav .links{display:flex;gap:22px;color:var(--muted)}
nav .links a{text-decoration:none;transition:color .2s}
nav .links a:hover{color:var(--paper)}
#bar{position:fixed;top:0;left:0;height:2px;background:var(--blue);z-index:60;width:0}
@media(max-width:640px){nav .links a:not(:last-child){display:none}}

/* SCENE SYSTEM */
.scene{position:relative}
.sticky{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;display:flex;align-items:center;justify-content:center}
.wrap{width:min(1120px,100% - 32px);margin:auto}
.eyebrow{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--blue);font-weight:600}

/* 1 HERO */
#hero{height:260vh}
#hero .ring{position:absolute;width:min(78vmin,620px);aspect-ratio:1}
#hero .ring svg{width:100%;height:100%;overflow:visible}
#hero .title{position:relative;text-align:center;z-index:2}
#hero h1{font-size:clamp(54px,11vw,150px);font-weight:300;line-height:.9}
#hero h1 b{font-weight:700;color:var(--blue)}
#hero .sub{margin-top:clamp(28px,4.2vw,56px);color:var(--muted);font-size:clamp(15px,1.8vw,19px)}
#hero .second{position:absolute;text-align:center;opacity:0;font-size:clamp(30px,5.5vw,72px);line-height:1.05;padding:0 20px}
.hint{position:absolute;bottom:28px;font-size:11px;letter-spacing:.25em;color:var(--muted);text-transform:uppercase}
.hint::after{content:"";display:block;width:1px;height:34px;background:var(--muted);margin:10px auto 0;animation:drip 1.8s infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* 2 MANIFESTO */
#manifesto{height:230vh;background:var(--paper);color:var(--ink)}
#manifesto p{font-family:Fraunces,serif;font-size:clamp(28px,4.6vw,60px);line-height:1.14;letter-spacing:-.02em;max-width:980px;padding:0 24px}
#manifesto .w{opacity:.13;transition:opacity .25s}
#manifesto .w.on{opacity:1}
#manifesto .w.hl.on{color:#1d7fb8}

/* SPLIT LAYOUT FOR GAME SCENES */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split h2{font-size:clamp(40px,6vw,84px);line-height:.95;margin:14px 0 22px}
.caption{min-height:3.2em;font-size:clamp(16px,1.7vw,20px);color:var(--muted);line-height:1.5;transition:opacity .6s}
.steps{display:flex;gap:8px;margin-top:22px}
.steps i{width:28px;height:3px;border-radius:2px;background:var(--line);transition:background .3s}
.steps i.on{background:var(--blue)}
@media(max-width:820px){.split{grid-template-columns:1fr;gap:22px;text-align:center}.steps{justify-content:center}.split h2{margin:8px 0 10px}}

/* 3 HITORI */
#hitori{height:340vh;background:#F2B33D;color:#2A1F10}
#hitori .eyebrow{color:#8A3B12}
#hitori .caption{color:rgba(42,31,16,.72)}
#hitori .steps i{background:rgba(42,31,16,.15)} #hitori .steps i.on{background:#2A1F10}
.hgrid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;width:min(82vw,420px);margin:auto;perspective:800px}
.hcell{aspect-ratio:1;display:grid;place-items:center;font-family:Fraunces,serif;font-size:clamp(22px,4vw,34px);background:#FFF8E8;border-radius:10px;
  box-shadow:0 4px 0 #C98E1C;position:relative;transition:background .8s ease,color .8s ease,transform .9s cubic-bezier(.3,1.4,.5,1),box-shadow .8s}
.hcell.shade{background:#1E1710;color:rgba(255,248,232,.2);transform:translateY(4px) scale(.94);box-shadow:0 0 0 #C98E1C}
.hcell .o{position:absolute;inset:16%;border:2.5px solid #B8321C;border-radius:50%;transform:scale(0);transition:transform .7s cubic-bezier(.3,1.5,.5,1)}
.hcell.circ .o{transform:scale(1)}
.stamp{position:absolute;right:-6%;top:-10%;font-family:Fraunces,serif;font-size:20px;color:#B8321C;border:2px solid #B8321C;padding:6px 14px;border-radius:40px;
  transform:rotate(-8deg) scale(.6);opacity:0;transition:.8s cubic-bezier(.3,1.5,.5,1);background:#FFF8E8}
.stamp.on{opacity:1;transform:rotate(-8deg) scale(1)}

/* 4 HASHI */
#hashi{height:320vh;background:#4FB3BF;color:#0E2A30;background-image:repeating-radial-gradient(circle at 30% 120%,transparent 0 46px,rgba(255,255,255,.09) 46px 48px)}
#hashi .eyebrow{color:#0E2A30;opacity:.75}
#hashi .caption{color:rgba(14,42,48,.78)}
#hashi svg{width:min(84vw,440px);display:block;margin:auto;overflow:visible}
.isl circle{fill:#F4FBFB;stroke:#0E2A30;stroke-width:2;transition:fill .7s,stroke .7s}
.isl.done circle{fill:#C2362A;stroke:#C2362A}
.isl.done text{fill:#fff}
.isl text{fill:#0E2A30;transition:fill .7s;font-family:Fraunces,serif;font-size:22px;text-anchor:middle;dominant-baseline:central}
.br{stroke:#C2362A;stroke-width:3.5;stroke-linecap:round;fill:none}

/* 5 CHESSUM */
#chessum{height:340vh;background:#3A8A62;color:#F2FFF7}
#chessum .eyebrow{color:#CFF5DF}
#chessum .caption{color:rgba(242,255,247,.8)}
.board{display:grid;grid-template-columns:repeat(5,1fr);width:min(82vw,420px);margin:auto;border-radius:14px;overflow:hidden;box-shadow:0 30px 80px rgba(10,40,25,.45)}
.sq{aspect-ratio:1;display:grid;place-items:center;position:relative;background:#F0EAD6}
.sq.l{background:#8BB381}
.piece{font-size:clamp(30px,6vw,46px);color:#14261C;transform:translateY(-120px) scale(1.4);opacity:0;transition:transform .9s cubic-bezier(.3,1.35,.5,1),opacity .5s;text-shadow:0 6px 12px rgba(0,0,0,.18)}
.piece.in{transform:none;opacity:1}
.clue{width:62%;aspect-ratio:1;border-radius:50%;display:grid;place-items:center;font-family:Fraunces,serif;font-size:clamp(18px,3.4vw,26px);
  border:2px dashed rgba(20,38,28,.45);color:#14261C;transition:.7s}
.clue.ok{background:#F2B33D;border:2px solid #F2B33D;color:#14261C;transform:scale(1.08)}
.ray{position:absolute;inset:0;background:rgba(74,176,236,.0);transition:background .4s}
.sq.hit .ray{background:rgba(242,179,61,.28)}
.tag{font-family:Fraunces,serif;font-style:italic;color:#FFE08A;font-size:clamp(20px,2.4vw,28px);margin-top:18px;opacity:0;transform:translateY(10px);transition:.6s}
.tag.on{opacity:1;transform:none}

/* 5b RANKING — you climb the world board as you scroll */
#ranking{height:300vh;background:radial-gradient(120% 80% at 70% 40%,#123049,#0A1723 70%)}
.ladder{position:relative;width:min(88vw,440px);height:calc(8 * 58px);margin:auto}
.lrow{position:absolute;left:0;right:0;height:50px;display:grid;grid-template-columns:36px 26px 1fr auto;gap:10px;align-items:center;padding:0 16px;
  border-radius:14px;background:rgba(244,241,234,.05);border:1px solid var(--line);font-size:15px;text-align:left;transition:top .6s cubic-bezier(.3,1.3,.5,1),background .4s}
.lrow .rk{font-family:Fraunces,serif;color:var(--muted)}
.lrow .t{font-variant-numeric:tabular-nums;font-weight:500}
.lrow.you{background:var(--blue);color:var(--ink);border-color:var(--blue);box-shadow:0 14px 40px rgba(74,176,236,.35);z-index:2}
.lrow.you .rk{color:var(--ink)}
.club{font-size:10px;font-weight:700;letter-spacing:.08em;color:var(--ink);background:var(--blue);padding:2px 6px;border-radius:6px;margin-left:6px;vertical-align:2px}
.facts{list-style:none;margin-top:22px;display:grid;gap:10px}
.facts li{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:15px;opacity:0;transform:translateX(-14px);transition:.5s}
.facts li.on{opacity:1;transform:none}
.facts li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--blue);flex:none}
@media(max-width:820px){.facts{justify-items:center}.ladder{height:calc(8 * 50px)}.lrow{height:44px;font-size:14px}}

/* 6 GALLERY */
#gallery{height:420vh;background:var(--paper);color:var(--ink)}
#gallery .sticky{flex-direction:column;align-items:stretch;justify-content:center}
#gallery .head{padding:0 max(24px,calc((100vw - 1120px)/2));margin-bottom:34px}
#gallery h2{font-size:clamp(38px,5.5vw,76px);line-height:1}
.track{display:flex;gap:22px;padding:0 max(24px,calc((100vw - 1120px)/2));will-change:transform}
.card{flex:0 0 clamp(250px,28vw,330px);aspect-ratio:3/4.2;border-radius:26px;padding:26px;display:flex;flex-direction:column;justify-content:space-between;
  color:var(--ink);position:relative;overflow:hidden;transition:transform .5s}
.card .glyph{font-family:Fraunces,serif;font-size:120px;line-height:.8;opacity:.9;font-weight:700}
.card h3{font-size:34px}
.card p{font-size:14px;line-height:1.45;opacity:.75;margin-top:6px}
.card .pill{align-self:flex-start;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;padding:7px 12px;border-radius:30px;background:rgba(10,23,35,.12);text-decoration:none}
.card.dark{color:var(--paper)} .card.dark .pill{background:rgba(244,241,234,.16)}

/* 7 PRINCIPLES */
#principles{height:260vh;background:#0d2233}
.flock{position:absolute;inset:0;pointer-events:none}
.flock svg{position:absolute;opacity:.35}
.pgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;position:relative;z-index:2}
.pcard{border:1px solid var(--line);border-radius:22px;padding:30px 26px;background:rgba(10,23,35,.55);backdrop-filter:blur(6px);
  opacity:0;transform:translateY(60px);transition:opacity 1.1s ease,transform 1.2s cubic-bezier(.2,.9,.3,1)}
.pcard.on{opacity:1;transform:none}
.pcard .n{font-family:Fraunces,serif;font-size:56px;color:var(--blue);line-height:1}
.pcard h3{font-size:26px;margin:14px 0 8px}
.pcard p{color:var(--muted);line-height:1.55;font-size:15px}
#principles h2{text-align:center;font-size:clamp(36px,5vw,68px);margin-bottom:44px;position:relative;z-index:2}
@media(max-width:820px){.pgrid{grid-template-columns:1fr;gap:12px}.pcard{padding:20px}.pcard .n{font-size:36px}#principles h2{margin-bottom:20px}}

/* 7b SOLO — one maker, every piece */
#solo{height:300vh;background:radial-gradient(90% 70% at 30% 50%,#152a40,#0A1723 70%)}
.maker{position:relative;width:min(84vw,440px);aspect-ratio:1;margin:auto}
.maker svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.maker .one{position:absolute;inset:0;display:grid;place-items:center;font-family:Fraunces,serif;font-weight:300;font-size:clamp(120px,22vw,190px);line-height:1;color:var(--paper)}
.maker text{font-family:Inter,sans-serif;font-size:13px;font-weight:600;fill:var(--paper);letter-spacing:.04em}
.mstats{display:flex;gap:26px;margin-top:26px}
.mstats b{display:block;font-family:Fraunces,serif;font-size:clamp(36px,4vw,52px);font-weight:300;line-height:1}
.mstats span{font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
@media(max-width:820px){.mstats{justify-content:center}.maker{width:min(78vw,320px)}}

/* 8 FINALE */
#finale{height:360vh}
#finale .sticky{overflow:hidden}
#finale svg{overflow:visible}
.ctal{width:100%;font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
#finale .flash{position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at 50% 50%,rgba(244,241,234,.9),transparent 45%);opacity:0}
#finale .fring{width:min(70vmin,460px);aspect-ratio:1;position:relative;display:grid;place-items:center;margin:0 auto}
#finale svg{position:absolute;inset:0;width:100%;height:100%}
#finale .center{text-align:center;position:relative;z-index:2}
#finale .count{font-family:Fraunces,serif;font-size:clamp(38px,6vw,64px);font-weight:300;white-space:nowrap;transition:font-size .6s}
#finale .count .sd{font-weight:500;letter-spacing:-.03em}
#finale .count .sd span{display:inline-block;animation:bob 6s ease-in-out infinite}
@keyframes bob{50%{transform:translateY(-6px)}}
#finale .label{color:var(--muted);font-size:14px;letter-spacing:.18em;text-transform:uppercase}
.cta{display:flex;gap:12px;justify-content:center;margin-top:26px;flex-wrap:wrap;opacity:0;transform:translateY(16px);transition:.6s}
.cta.on{opacity:1;transform:none}
.btn{padding:13px 22px;border-radius:40px;font-weight:600;font-size:14px;text-decoration:none;border:1px solid var(--line)}
.btn.primary{background:var(--blue);color:var(--ink);border-color:var(--blue)}
footer{padding:46px 22px;text-align:center;color:var(--muted);font-size:13px;border-top:1px solid var(--line);line-height:2}
footer a{color:var(--paper);text-decoration:none;margin:0 10px}

/* REDUCED MOTION: everything static & finished */
@media (prefers-reduced-motion: reduce){
  .scene{height:auto!important}.sticky{position:relative;min-height:100vh;height:auto;padding:90px 0}
  .track{flex-wrap:wrap;transform:none!important}.hint::after{animation:none}
}