/* V2: an editorial folio. Horizontal chapters, a fixed spine, condensed serif display type.
   Palette stays on the lemon poster: cobalt, cream, red, paper. Pantone P 105-8 C, P 48-8 C, 938 C. */
:root{--blue:#15297A;--navy:#2E3E71;--red:#C83E3B;--cream:#FAEFAF;--paper:#F4F3EE;--paper2:#ECE9E1;--ink:#15297A;--spine:44px;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box;margin:0;padding:0}
html{background:var(--paper)}
body{font:16px/1.5 'Space Grotesk',system-ui,sans-serif;color:var(--ink);background:var(--paper);overflow-x:hidden}
a{color:inherit;text-decoration:none}
ul{list-style:none}
.serif,h1,h2,h3,.num,.chap,.serif-cta,.mega{font-family:'Instrument Serif',Georgia,serif;font-weight:400}
#webgl{position:fixed;inset:0;width:100%;height:100%;z-index:5;pointer-events:none}

/* ---------- spine ---------- */
.spine{position:fixed;left:0;top:0;bottom:0;width:var(--spine);z-index:20;display:flex;flex-direction:column;align-items:center;gap:22px;padding:10px 0 18px;background:var(--paper);border-right:1px solid rgba(21,41,122,.18);transition:background .6s,color .6s,border-color .6s}
body.on-dark .spine{background:var(--blue);color:var(--cream);border-color:rgba(250,239,175,.18)}
.burger{width:22px;height:14px;background:none;border:0;cursor:pointer;display:flex;flex-direction:column;justify-content:space-between;color:inherit}
.burger i{display:block;height:1.5px;background:currentColor;transition:transform .4s var(--ease)}
body.menu-open .burger i:first-child{transform:translateY(6px) rotate(45deg)}
body.menu-open .burger i:last-child{transform:translateY(-6px) rotate(-45deg)}
.v{writing-mode:vertical-rl;transform:rotate(180deg);font-size:10px;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap}
.v.name{font:400 15px 'Instrument Serif',serif;letter-spacing:.06em;margin-top:auto}
.bar{width:1px;flex:0 0 18vh;background:rgba(127,127,127,.3);position:relative;overflow:hidden}
.bar i{position:absolute;left:0;top:0;width:100%;height:100%;background:var(--red);transform-origin:top;transform:scaleY(0)}
.v.small{margin-top:auto;font-size:9px}

.menu{position:fixed;inset:0 0 0 var(--spine);z-index:15;background:var(--blue);color:var(--cream);display:flex;flex-direction:column;justify-content:center;padding:0 7vw;gap:4px;clip-path:inset(0 100% 0 0);transition:clip-path .9s var(--ease)}
body.menu-open .menu{clip-path:inset(0 0 0 0)}
.menu a{font:400 clamp(44px,7vw,104px)/1 'Instrument Serif',serif;display:flex;align-items:baseline;gap:24px;transform:translateX(-40px);opacity:0;transition:transform .8s var(--ease),opacity .8s,color .3s}
.menu a span{font:500 12px 'Space Grotesk',sans-serif;letter-spacing:.14em;width:34px;opacity:.6}
.menu a:hover{transform:translateX(14px)}
.menu a:hover span{opacity:1;color:var(--cream)}
body.menu-open .menu a{transform:none;opacity:1}
body.menu-open .menu a:nth-child(2){transition-delay:.05s}body.menu-open .menu a:nth-child(3){transition-delay:.1s}body.menu-open .menu a:nth-child(4){transition-delay:.15s}body.menu-open .menu a:nth-child(5){transition-delay:.2s}body.menu-open .menu a:nth-child(6){transition-delay:.25s}body.menu-open .menu a:nth-child(7){transition-delay:.3s}

/* ---------- horizontal track ---------- */
.hwrap{position:relative}
.track{position:sticky;top:0;height:100vh;display:flex;will-change:transform}
.panel:not(.craft){padding-left:calc(var(--spine) + 4vw)}
.panel{position:relative;flex:none;height:100vh;width:100vw;padding:34px 4vw 34px;overflow:hidden}
.dark{background:var(--blue);color:var(--cream)}
.paper{background:var(--paper)}
.paper2{background:var(--paper2)}
.chap{font-size:18px;letter-spacing:.04em;text-transform:uppercase}
.lbl{font-size:10px;letter-spacing:.16em;text-transform:uppercase;font-weight:500}
.big{font-size:clamp(20px,1.65vw,26px);line-height:1.32;letter-spacing:-.005em;max-width:30ch}
.arr{display:inline-block;width:14px;height:10px;position:relative;margin-left:6px;vertical-align:1px}
.arr::before{content:'';position:absolute;left:0;right:1px;top:50%;height:1.2px;background:currentColor}
.arr::after{content:'';position:absolute;right:0;top:50%;width:6px;height:6px;border-top:1.2px solid currentColor;border-right:1.2px solid currentColor;transform:translateY(-50%) rotate(45deg)}

/* reveal: a slow rise with a mask */
.reveal{opacity:0;transform:translateY(24px);transition:opacity 1s var(--ease),transform 1.2s var(--ease);transition-delay:calc(var(--i,0) * 80ms)}
.panel.in .reveal{opacity:1;transform:none}
.split span{display:block;overflow:hidden;padding-bottom:.04em}
.split span::before{content:attr(data-t);display:block;transform:translateY(105%);transition:transform 1.3s var(--ease)}
.split span{color:transparent;position:relative}
.split span::before{color:var(--cream);position:absolute;inset:0}
.panel.in .split span::before{transform:none}
.split span:nth-child(2)::before{transition-delay:.12s}

/* ---------- cover ---------- */
.mega{font-size:min(23vh,15vw);line-height:.82;letter-spacing:-.02em;text-transform:uppercase}
.cover .title{position:absolute;left:4vw;top:32px}
.say{display:flex;align-items:center;gap:16px;margin-top:26px}
.say p{display:flex;flex-direction:column;gap:4px;font-size:13px;line-height:1.3}
.say b{font:400 26px/1 'Instrument Serif',serif;letter-spacing:.02em}
.say span{opacity:.75;letter-spacing:.04em}
.hear{width:52px;height:52px;border-radius:50%;border:1.5px solid var(--cream);background:none;color:var(--cream);cursor:pointer;display:grid;place-items:center;flex:none;transition:background .3s,color .3s,transform .3s var(--ease)}
.hear svg{width:22px;height:22px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round}
.hear:hover{background:var(--cream);color:var(--blue);transform:scale(1.06)}
.hear.playing{background:var(--red);border-color:var(--red);color:var(--cream)}
.hear.playing .w1{animation:wave .8s ease-in-out infinite}
.hear.playing .w2{animation:wave .8s ease-in-out .2s infinite}
@keyframes wave{50%{opacity:.2}}
.cover-slot{position:absolute;right:0;bottom:0;width:72vw;height:92vh}
.foot{position:absolute;left:4vw;right:4vw;bottom:30px;display:grid;grid-template-columns:1fr;align-items:end;font-size:12px;line-height:1.4}
.foot b{font-weight:500;letter-spacing:.04em}
.serif-cta{justify-self:end;font-size:30px;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.serif-cta .arr{width:28px;animation:nudge 2.4s var(--ease) infinite}
@keyframes nudge{50%{transform:translateX(8px)}}

/* ---------- I. intro ---------- */
.intro-panel{width:100vw;display:grid;grid-template-columns:28vw 1fr;column-gap:4vw}
.intro-panel .chap{grid-row:1/3}
.intro-body{display:flex;flex-direction:column;gap:18px;padding-right:4vw}
.intro-row{display:grid;grid-template-columns:1fr auto;align-items:end;gap:4vw;margin-top:auto}
.quote{display:flex;flex-direction:column}
.more{font-size:14px;display:inline-flex;align-items:center;gap:4px;border-bottom:1px solid currentColor;padding-bottom:2px;width:max-content}
.frame{width:min(52vh,30vw);display:flex;flex-direction:column;gap:8px}
.intro-panel .frame{position:absolute;right:5vw;bottom:34px}
.frame .slot{width:100%;aspect-ratio:4/3}
.frame figcaption{font-size:10px;letter-spacing:.08em;text-transform:uppercase;opacity:.6}
.intro-panel .aside{position:absolute;left:4vw;bottom:34px;width:24vw;font-size:12px;line-height:1.45}
.intro-panel{grid-template-rows:auto 1fr}
.intro-body{grid-column:2;grid-row:1/3;height:100%}


/* intro: three dense lines, figures set in red serif, names in italic serif */
.lines{display:flex;flex-direction:column;gap:.35em;font-size:clamp(20px,1.95vw,31px);line-height:1.2;letter-spacing:-.01em;max-width:min(820px,56vw)}
.lines span{display:block;white-space:nowrap;padding-bottom:.35em;border-bottom:1px solid rgba(21,41,122,.15)}
.lines b{font:400 1.45em/1 'Instrument Serif',serif;color:var(--red);letter-spacing:0}
.lines em{font:italic 400 1.2em/1 'Instrument Serif',serif}

/* ---------- II. proof: pinned "THE [ ] PROOF" ---------- */
.pin{width:260vw;padding:0}
.pinned{position:absolute;top:0;left:var(--spine);width:calc(100vw - var(--spine));height:100vh;will-change:transform}
.theword{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;font-size:min(22vh,12vw);line-height:1;text-transform:uppercase;letter-spacing:-.02em;white-space:nowrap}
.theword .gap{display:block;width:calc(var(--gap,0) * 1px + .28em);flex:none}
.tiles{position:absolute;inset:0}
.tile{position:absolute;left:0;top:0;display:flex;flex-direction:column;justify-content:flex-end;padding:var(--pad,18px) calc(var(--pad,18px) + 2px);overflow:hidden;will-change:transform,width,height}
.tile b{font:400 var(--fs,48px)/.9 'Instrument Serif',serif;letter-spacing:-.01em;white-space:nowrap}
.tile span{font-size:11px;letter-spacing:.12em;text-transform:uppercase;max-width:30ch;opacity:var(--txt,0);max-height:calc(var(--txt,0) * 4em);margin-top:calc(var(--txt,0) * 8px);min-height:calc(var(--txt,0) * 2.7em);overflow:hidden}
.tile b{opacity:var(--num,0)}
.t-red{background:var(--red);color:var(--cream)}
.t-blue{background:var(--blue);color:var(--cream)}
.t-navy{background:var(--navy);color:var(--cream)}
.t-cream{background:var(--cream);color:var(--blue)}

/* ---------- III. chapters ---------- */
.chapters{width:100vw;display:grid;grid-template-columns:28vw 1fr;column-gap:4vw}
.list-wrap{display:flex;flex-direction:column;gap:14px;padding-top:2px}
.rows{border-top:1px solid rgba(21,41,122,.2);max-width:820px}
.row-item{position:relative;display:flex;align-items:baseline;gap:30px;padding:14px 0;border-bottom:1px solid rgba(21,41,122,.2);cursor:default;outline:none}
.row-item .yr{font-size:11px;letter-spacing:.12em;text-transform:uppercase;width:90px;flex:none;opacity:.6}
.row-item .nm{display:flex;align-items:center;gap:.32em;font:500 clamp(34px,3.9vw,58px)/1.05 'Space Grotesk',sans-serif;letter-spacing:-.025em;transition:transform .6s var(--ease)}
/* company marks, drawn in the ink colour through a mask so every logo sits in the palette */
.mark{display:inline-block;flex:none;width:.78em;height:.78em;background:currentColor;-webkit-mask:var(--logo) center/contain no-repeat;mask:var(--logo) center/contain no-repeat;transition:transform .6s var(--ease)}
.mark.mono{-webkit-mask:none;mask:none;background:none;border:2px solid currentColor;border-radius:50%;font:400 .5em/1 'Instrument Serif',serif;display:inline-grid;place-items:center;width:1.56em;height:1.56em;font-size:.5em;margin:0 .2em}
.row-item::before{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .6s var(--ease)}
.row-item:hover::before,.row-item:focus::before{transform:scaleX(1)}
.row-item:hover .nm,.row-item:focus .nm{transform:translateX(14px)}
.row-item:hover .mark,.row-item:focus .mark{transform:rotate(-8deg) scale(1.08)}
.peek{position:absolute;left:0;top:0;width:340px;padding:22px 22px 18px;z-index:12;pointer-events:none;opacity:0;transform:translate(var(--mx,0),var(--my,0)) scale(.92) rotate(-2deg);transition:opacity .35s,transform .6s var(--ease)}
.row-item:hover .peek,.row-item:focus .peek{opacity:1;transform:translate(var(--mx,0),var(--my,0)) scale(1) rotate(0)}
.peek{background:var(--blue);color:var(--cream);box-shadow:0 18px 40px rgba(21,41,122,.25)}
.peek .lbl{color:var(--cream);opacity:.7}
.peek .lbl{margin-bottom:10px;font-size:11px}
.peek p:not(.lbl){font-size:14px;line-height:1.45}
.pn{display:flex;gap:16px;margin-top:16px;padding-top:12px;border-top:1px solid rgba(250,239,175,.35)}
.pn span{display:flex;flex-direction:column;font-size:10px;letter-spacing:.1em;text-transform:uppercase}
.pn b{font:400 28px/1 'Instrument Serif',serif;letter-spacing:0;text-transform:none}
.note{font-size:11px;letter-spacing:.12em;text-transform:uppercase;opacity:.55;margin-top:auto}

/* ---------- IV. four rails ---------- */
.craft{width:100vw;display:flex;padding:0 0 0 var(--spine)}
.craft-intro{width:20vw;flex:none;padding:34px 3vw;display:flex;flex-direction:column;justify-content:space-between}
.craft-intro .lbl{margin-bottom:14px}
.craft-intro .hint{margin-top:18px;font-size:10px;letter-spacing:.16em;text-transform:uppercase;opacity:.55}
.rails{flex:1;display:flex;min-width:0}
.rail{position:relative;flex:1;min-width:0;padding:34px 1.8vw 30px;display:flex;flex-direction:column;overflow:hidden;outline:none;transition:flex-grow .9s var(--ease);
  clip-path:inset(100% 0 0 0);transition:flex-grow .9s var(--ease),clip-path 1.1s var(--ease);transition-delay:0s,calc(var(--i,0) * 110ms)}
.panel.in .rail{clip-path:inset(0 0 0 0)}
.rails:hover .rail{flex-grow:.8}
.rails .rail:hover,.rails .rail:focus{flex-grow:1.9}
.r-red{background:var(--red);color:var(--cream)}
.r-cream{background:var(--cream);color:var(--blue)}
.r-navy{background:var(--navy);color:var(--cream)}
.r-blue{background:#1C3496;color:var(--cream)}
/* soft moving light inside each rail */
.rail::before{content:'';position:absolute;inset:-40%;background:radial-gradient(closest-side,rgba(255,255,255,.18),transparent 70%);transform:translate(calc(var(--mx,0) * 1px),calc(var(--my,0) * 1px));opacity:0;transition:opacity .6s;pointer-events:none}
.rail:hover::before{opacity:1}
.ghost{position:absolute;right:-.06em;bottom:-.18em;font:400 clamp(160px,22vw,340px)/1 'Instrument Serif',serif;opacity:.07;pointer-events:none;transition:transform 1.2s var(--ease)}
.rail:hover .ghost{transform:translate(-4%,-6%) scale(1.05)}
.rail .num{font:400 18px 'Instrument Serif',serif;letter-spacing:.06em;opacity:.8}
.rail{container-type:inline-size}
.rail h3{font-size:clamp(34px,15.5cqi,62px);line-height:.92;margin:14px 0 14px;letter-spacing:-.01em;text-transform:uppercase;white-space:nowrap;transition:font-size .9s var(--ease)}
.rail .one{font-size:13.5px;line-height:1.45;opacity:.85;max-width:30ch}
.stat{margin-top:auto;display:flex;flex-direction:column;padding-top:18px}
.stat b{font:400 clamp(38px,3.6vw,58px)/1 'Instrument Serif',serif}
.stat span{font-size:10px;letter-spacing:.14em;text-transform:uppercase;opacity:.75;margin-top:4px}
.logos{display:flex;flex-wrap:wrap;align-content:flex-start;gap:6px;margin-top:18px;height:calc(3 * 30px + 2 * 6px)} /* room for 3 rows in every rail, so the figures above line up */
.logos li{display:flex;align-items:center;gap:7px;padding:5px 10px 5px 5px;border-radius:99px;background:rgba(255,255,255,.12);font-size:12px;font-weight:500;white-space:nowrap;
  opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease),background .3s;transition-delay:calc(.35s + var(--j,0) * 60ms)}
.r-cream .logos li{background:rgba(21,41,122,.08)}
.panel.in .logos li{opacity:1;transform:none}
.logos li:hover{background:rgba(255,255,255,.24)}
.r-cream .logos li:hover{background:rgba(21,41,122,.16)}
.logos img{width:20px;height:20px;border-radius:50%;object-fit:cover;background:#fff}

/* ---------- V. quests ---------- */
.quests{width:100vw;display:grid;grid-template-columns:18vw 1.3fr 1fr;column-gap:4vw}
.builds{border-top:1px solid rgba(21,41,122,.2);margin-top:14px}
.builds a{display:grid;grid-template-columns:1fr auto;grid-template-rows:auto auto;padding:14px 0;border-bottom:1px solid rgba(21,41,122,.2);transition:padding .5s var(--ease)}
.builds span{font:500 clamp(24px,2.3vw,34px)/1.1 'Space Grotesk',sans-serif;letter-spacing:-.02em}
.builds em{font-style:normal;font-size:12px;opacity:.6;grid-row:2}
.builds .arr{grid-row:1/3;align-self:center;opacity:0;transform:translateX(-10px);transition:all .5s var(--ease)}
.builds a:hover{padding-left:14px}
.builds a{position:relative}
.builds a::before{content:'';position:absolute;left:0;top:50%;width:6px;height:6px;border-radius:50%;background:var(--red);transform:translateY(-50%) scale(0);transition:transform .5s var(--ease)}
.builds a:hover::before{transform:translateY(-50%) scale(1)}
.builds a:hover .arr{opacity:1;transform:none}
.q-right{display:flex;flex-direction:column}
.sig{margin-top:14px;border-top:1px solid rgba(21,41,122,.2)}
.sig li{display:grid;grid-template-columns:7.2ch 1fr;align-items:baseline;gap:18px;padding:16px 0;border-bottom:1px solid rgba(21,41,122,.2)}
.sig b{font:400 clamp(40px,3.6vw,58px)/1 'Instrument Serif',serif;color:var(--red)}
.sig span{font-size:14px;line-height:1.45}

/* ---------- VI. next chapter ---------- */
.next .mega{position:absolute;left:4vw;top:30px;font-size:min(20vh,11vw)}
.farewell{position:absolute;right:4vw;bottom:10vh;width:min(70vh,40vw);height:72vh}
.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.socials a{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:99px;background:var(--cream);color:var(--blue);font:700 14px 'Space Grotesk',sans-serif;letter-spacing:.02em;transition:background .3s,color .3s,transform .4s var(--ease)}
.socials a:hover{background:var(--red);color:var(--cream);transform:translateY(-3px)}
.socials svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.mail{background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .5s var(--ease)}
.next-foot{position:absolute;left:4vw;bottom:40px;width:50vw}
.mail{display:inline-block;margin-top:8px;font-size:clamp(22px,2.4vw,36px);letter-spacing:-.02em;background-size:100% 1px}
.mail:hover{opacity:.85}
.right{text-align:right}

/* ---------- mobile: chapters stack vertically ---------- */
@media (max-width:860px){
  :root{--spine:0px}
  .spine{top:0;bottom:auto;left:0;right:0;width:auto;height:52px;flex-direction:row;padding:0 16px;border-right:0;border-bottom:1px solid rgba(21,41,122,.18)}
  .v,.bar{display:none}
  .burger{margin-left:auto}
  .menu{inset:52px 0 0 0}
  .track{position:static;display:block;height:auto;padding:0;transform:none!important}
  .panel,.pin,.intro-panel,.chapters,.craft,.quests{width:100%;height:auto;min-height:0;padding:76px 20px 48px;display:block}
  .cover,.next{min-height:100svh}
  .note{margin-top:16px}
  .cover .title,.foot,.cover-slot,.next .mega,.farewell,.next-foot{position:relative;inset:auto;width:auto}
  .cover .mega{font-size:22vw}
  .cover-slot{height:52vh;margin:4vh -20px 0;width:calc(100% + 40px)}
  .foot{grid-template-columns:1fr 1fr;gap:16px;margin-top:14px}
  .serif-cta{display:none}
  .intro-panel .aside{position:static;width:auto;margin-top:24px}
  .intro-row{grid-template-columns:1fr;margin-top:30px}
  .quote{gap:20px}
  .frame{width:100%}
  .intro-panel .frame{position:static}
  .lines{max-width:none}
  .lines span{white-space:normal}
  .pin{min-height:auto}
  .pinned{position:static;width:auto;height:auto;transform:none!important}
  .theword{position:static;font-size:20vw;justify-content:flex-start;margin-bottom:18px}
  .theword .gap{width:.28em}
  .tiles{position:static;display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .tile{position:static;width:auto!important;height:auto!important;min-height:150px;transform:none!important;--txt:1;--num:1;--fs:38px;--pad:16px}
  .tile span{font-size:10px;letter-spacing:.1em;max-height:none}
  .tiles .tile:nth-child(1){background:var(--red)!important;color:var(--cream)!important}
  .tiles .tile:nth-child(2){background:var(--blue)!important;color:var(--cream)!important}
  .tiles .tile:nth-child(3){background:var(--cream)!important;color:var(--blue)!important}
  .tiles .tile:nth-child(4){background:var(--navy)!important;color:var(--cream)!important}
  .tiles .tile:nth-child(5){background:var(--blue)!important;color:var(--cream)!important}
  .tiles .tile:nth-child(6){background:var(--cream)!important;color:var(--blue)!important}
  .tiles .tile:nth-child(7){background:var(--navy)!important;color:var(--cream)!important}
  .tiles .tile:nth-child(8){background:var(--red)!important;color:var(--cream)!important}
  .tiles .tile:nth-child(9){background:var(--cream)!important;color:var(--blue)!important}
  .tiles .tile:nth-child(10){background:var(--blue)!important;color:var(--cream)!important}
  .craft-intro .hint{display:none}
  .peek{position:static;opacity:1;transform:none!important;width:auto;display:none;margin-top:12px}
  .row-item{flex-direction:column;align-items:flex-start;gap:4px;padding:14px 0}
  .row-item .yr{width:auto}
  .row-item .nm{font-size:32px}
  .row-item.open .peek{display:block}
  .row-item:hover .nm{transform:none}
  .craft{display:block!important}
  .craft-intro{width:auto;padding:0 0 20px}
  .rails{display:block}
  .rail{clip-path:none;padding:24px 18px;margin-bottom:8px}
  .rail h3{white-space:normal;font-size:44px}
  .logos{height:auto}
  .ghost{opacity:.05}
  .ghost{font-size:140px}
  .q-right{margin-top:40px}
  .next .mega{font-size:20vw}
  .farewell{height:48vh;margin:14px auto}
  .next-foot{width:auto}
  .right{text-align:left}
}
@media (hover:none){.note .hov{display:none}}
@media (hover:hover){.note .tap{display:none}}
@media (prefers-reduced-motion:reduce){
  .reveal,.split span::before{transition:none;opacity:1;transform:none}
  .serif-cta .arr{animation:none}
}