/* Site: one pinned full-bleed stage; copy sits at the stage edges like annotations on a drawing sheet. */
:root{
  --paper:#f2f1ee;
  --card:#ffffff;
  --ink:#15171c;
  --ink-2:#5c606a;
  --rule:#dedcd7;
  --blue:#4a7ff3;
  --f-display:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-body:"Instrument Sans","Helvetica Neue",Arial,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,Menlo,Consolas,monospace;
  --rowH:32px;
  --logoH:50vh;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;background:var(--paper);color:var(--ink)}
body{font-family:var(--f-body);font-size:16px;line-height:1.5;-webkit-font-smoothing:antialiased}

.progress{position:fixed;top:0;left:0;right:0;height:3px;z-index:20;pointer-events:none}
.progress i{display:block;height:3px;width:100%;background:var(--blue);transform-origin:0 50%;transform:scaleX(0)}

/* 100vh pinned + 800vh intro + 500vh delay chapter (story.js: INTRO, DELAY) */
.scrolly{position:relative;height:1400vh}
.stage{position:sticky;top:0;height:100vh;overflow:hidden;background:var(--paper)}
#gl{position:absolute;inset:0;width:100%;height:100%;display:block}

.eyebrow{font-family:var(--f-mono);font-size:12px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-2);margin:0}

.hero-logo{position:absolute;left:50%;top:50%;height:var(--logoH);aspect-ratio:698.9/860;transform:translate(-50%,-50%);pointer-events:none;max-width:100%}
.hero-logo svg{display:block;width:100%;height:100%}
.hero-copy{position:absolute;left:0;right:0;bottom:max(3.5vh,20px);display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center;padding:0 16px;pointer-events:none}
.hero-copy h1{margin:0;font-family:var(--f-display);font-variation-settings:"wdth" 116;font-weight:720;font-size:clamp(1.35rem,2.7vw,2.25rem);line-height:1.08;letter-spacing:-.01em;max-width:30ch;text-wrap:balance}
.hero-sub{margin:0;max-width:52ch;color:var(--ink-2);font-size:1rem;text-wrap:balance}
.cue{display:flex;align-items:center;gap:8px;font-family:var(--f-mono);font-size:12px;color:var(--ink-2);margin:4px 0 0}
.cue::after{content:"";width:1px;height:22px;background:currentColor;animation:cue 1.8s ease-in-out infinite;transform-origin:top}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

.cap{position:absolute;left:max(28px,6vw);top:50%;transform:translateY(-50%);max-width:29rem;display:flex;flex-direction:column;gap:12px;opacity:0;pointer-events:none}
.cap h2,.ghead h2{margin:0;font-family:var(--f-display);font-variation-settings:"wdth" 112;font-weight:700;font-size:clamp(1.5rem,2.8vw,2.4rem);line-height:1.06;letter-spacing:-.01em;text-wrap:balance}
.cap p:not(.eyebrow){margin:0;color:var(--ink-2);font-size:1.02rem;max-width:40ch}

.gwrap{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:clamp(14px,2.4vh,24px);padding:64px 16px 24px;pointer-events:none}   /* 64px: clear of the fixed header */
.gheads{display:grid;width:100%}
.mnote{display:none;margin:0;font-size:12px;color:var(--ink-2);opacity:0}
.ghead{grid-area:1/1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;text-align:center;opacity:0}
.ghead p:not(.eyebrow){margin:0;color:var(--ink-2);max-width:56ch;font-size:1rem}

.mbars{position:absolute;inset:0;pointer-events:none}
.mbar{position:absolute;left:0;top:0;overflow:hidden;visibility:hidden;border-style:solid;border-color:rgba(255,255,255,.55) rgba(0,0,0,.35) rgba(0,0,0,.45) rgba(255,255,255,.3)}
.mbar .fill{position:absolute;inset:0 auto 0 0;background:#6BF178;opacity:0}
.scrim{position:absolute;inset:0 auto 0 0;width:min(48vw,600px);background:linear-gradient(to right,rgba(242,241,238,.95) 0%,rgba(242,241,238,.82) 55%,rgba(242,241,238,0) 100%);opacity:0;pointer-events:none}

.rail{position:absolute;right:20px;top:50%;transform:translateY(-50%);display:flex;flex-direction:column;gap:6px;z-index:5}
.rail button{all:unset;text-shadow:0 0 6px var(--paper),0 0 2px var(--paper);cursor:pointer;display:flex;align-items:center;justify-content:flex-end;gap:10px;font-family:var(--f-mono);font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-2);padding:4px 0;opacity:.55;transition:opacity .2s}
.rail button::after{content:"";width:18px;height:2px;background:currentColor;transition:width .25s,background .25s}
.rail button[aria-current="step"]{opacity:1;color:var(--ink)}
.rail button[aria-current="step"]::after{width:34px;background:var(--blue)}
.rail button:hover{opacity:1}
.rail button:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:2px}

.after{padding:clamp(64px,12vh,140px) 16px;border-top:1px solid var(--rule);background:var(--paper)}
.after-in{max-width:60rem;margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:32px 56px;align-items:start}
.after h2{margin:8px 0 0;font-family:var(--f-display);font-variation-settings:"wdth" 112;font-weight:700;font-size:clamp(1.6rem,3vw,2.4rem);line-height:1.08;text-wrap:balance}
.after p{margin:0 0 16px;color:var(--ink-2);max-width:60ch}
.btn{all:unset;cursor:pointer;display:inline-flex;align-items:center;gap:8px;background:var(--ink);color:var(--card);padding:10px 16px;border-radius:6px;font-weight:600;font-size:14px}
.btn:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

.loading{position:absolute;left:50%;bottom:16px;transform:translateX(-50%);font-family:var(--f-mono);font-size:12px;color:var(--ink-2)}

.ghead{pointer-events:none}
.btn.ghost{background:none;color:var(--ink);box-shadow:inset 0 0 0 1px var(--rule);margin-left:8px}
a.btn{text-decoration:none}

/* The pointer that works the app */
.cursor{position:absolute;left:0;top:0;z-index:30;pointer-events:none;opacity:0;will-change:transform}
.cursor svg{display:block;filter:drop-shadow(0 1px 1px rgba(0,0,0,.25))}
.cursor #ripple{position:absolute;left:-14px;top:-14px;width:28px;height:28px;border-radius:50%;border:2px solid #35A7FF;opacity:0}
.cursor kbd{position:absolute;left:18px;top:16px;font:600 11px/1 var(--f-mono);background:#fff;border:1px solid #cfd3da;border-bottom-width:2px;border-radius:4px;padding:3px 5px;opacity:0}

/* Sections under the story */
.sec{padding:clamp(64px,12vh,140px) 16px;border-top:1px solid var(--rule)}
.sec.alt{background:#ebeae6}
.sec-in{max-width:68rem;margin:0 auto}
.sec h2{margin:8px 0 12px;font-family:var(--f-display);font-variation-settings:"wdth" 112;font-weight:700;font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.08;text-wrap:balance;max-width:26ch}
.sec h3{margin:0 0 6px;font-family:var(--f-display);font-weight:650;font-size:1.1rem}
.sec p{margin:0;color:var(--ink-2)}
.sec .lead{max-width:60ch;margin-bottom:36px;font-size:1.05rem}
.modes,.cols,.roles,.feat{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.mode,.roles>div{background:var(--card);border:1px solid var(--rule);border-radius:10px;padding:20px;display:flex;flex-direction:column;gap:10px}
.mode.soon{opacity:.6}
.tag{align-self:flex-start;font:600 11px/1 var(--f-body);padding:4px 8px;border-radius:5px;background:#eef0f3;color:var(--ink-2)}
.tag.amber{background:#fff3dc;color:#b45309}
.cols{margin:40px 0}
.sub{margin-top:48px!important}
.roles{margin:12px 0 24px}
.facts{margin:0;padding-left:18px;color:var(--ink-2);display:grid;grid-template-columns:1fr 1fr;gap:6px 32px}
.feat{margin-top:32px;gap:28px 40px}
.feat ul{margin:0;padding-left:18px;color:var(--ink-2);display:flex;flex-direction:column;gap:6px;font-size:.95rem}

@media (max-width:760px){
  .cap{top:auto;bottom:0;left:0;right:0;transform:none;max-width:none;padding:56px 16px 28px;background:linear-gradient(to top,var(--paper) 62%,rgba(242,241,238,0))}
  .rail,.scrim{display:none}
  .gwrap{justify-content:flex-start;padding-top:76px}   /* the spare height goes below the window */
  .mnote{display:block}
  .after-in,.modes,.cols,.roles,.feat,.facts{grid-template-columns:minmax(0,1fr)}
}
@media (prefers-reduced-motion:reduce){.cue::after{animation:none}}

/* The light opening (no three.js): the logo holds still while the hero and the two captions scroll
   up beneath it, then the whole block scrolls away into the story's first screen. */
.lite-intro{display:none}
.lite .lite-intro{display:block}
.lite #gl,.lite .scrim,.lite .loading{display:none}
.li-logo{position:sticky;top:0;z-index:2;height:46vh;display:flex;align-items:flex-end;justify-content:center;padding-bottom:3vh;box-sizing:border-box;background:var(--paper)}
.li-logo::after{content:"";position:absolute;left:0;right:0;top:100%;height:56px;background:linear-gradient(var(--paper),rgba(242,241,238,0));pointer-events:none}
.li-logo .hero-logo{position:static;transform:none;height:min(30vh,240px)}
.li-text>*{position:static;transform:none;opacity:1;visibility:visible;min-height:54vh;max-width:34rem;margin:0 auto;padding:0 20px;box-sizing:border-box;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:12px;text-align:center;background:none}
.li-text>.hero-copy{justify-content:flex-start;padding-top:4vh}