/* Continuous Origin: one persistent artwork, native scroll, finite transitions. */
.origin{background:#080808;color:#f1f1ee;position:relative;border-bottom:1px solid #252525}
.origin-layout{max-width:1440px;margin:auto;padding:0 clamp(24px,5vw,72px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(35px,6vw,100px);align-items:start}
.origin-narrative{min-width:0}
.origin-intro{min-height:calc(100svh - 78px);display:flex;flex-direction:column;justify-content:center;padding:70px 0 60px}
.origin h1{font-size:clamp(3.7rem,6.2vw,6.7rem);font-weight:850;letter-spacing:-.075em;line-height:.96;margin:0;text-wrap:balance}
.origin h1>span{color:#92928c}
.origin-lead{font-size:clamp(1rem,1.25vw,1.15rem);line-height:1.75;color:#b7b7af;max-width:440px;margin:30px 0}
.origin .hero-actions{gap:10px}
.origin .button{font-size:.64rem;padding-inline:17px;min-height:48px}
.origin-paper{align-self:flex-start;color:#c9c9c1;font-size:.75rem;text-underline-offset:5px;margin-top:22px}
.origin-disclaimer{color:#99998f;font-size:.7rem;line-height:1.7;max-width:440px;margin:24px 0 0}
.origin-scroll{display:flex;align-items:center;gap:22px;font-size:.65rem;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;color:#b0b0a5;margin-top:40px;align-self:flex-start}
.origin-scroll span{font-size:1.2rem}
.origin-stage{--origin-poster-height:clamp(140px,calc(100svh - 560px),360px);position:sticky;top:90px;padding:0 0 12px;min-width:0;margin-top:32px}
.origin-stage-top{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #33332d;padding-bottom:14px;gap:12px}
.origin-stage-top>span{font:500 .58rem ui-monospace,monospace;letter-spacing:.12em;color:#a8a89e}
.origin-stage-top img{object-fit:contain}
.origin-canvas{position:relative;display:grid;place-items:center;padding:36px 24px 34px;perspective:1100px;background:radial-gradient(ellipse at 50% 65%,#20201b 0,transparent 65%)}
.origin-art-frame{overflow:hidden;position:relative;width:min(75%,calc(var(--origin-poster-height)*.8));transform:rotate(-5deg) translateY(0);transform-origin:50% 75%;box-shadow:15px 25px 50px #0009;transition:transform .85s cubic-bezier(.22,1,.36,1),box-shadow .85s}
.origin-art{display:block;width:100%;height:auto;aspect-ratio:4/5}
.origin-coordinate{position:absolute;left:0;top:28px;color:#74746c;font:500 .5rem/1.8 ui-monospace,monospace;letter-spacing:.16em;writing-mode:vertical-rl}
.origin-edition{position:absolute;bottom:9px;right:0;font:500 .55rem ui-monospace,monospace;color:#a6a69c;letter-spacing:.12em}
.origin-scan{position:absolute;inset:0;border-top:1px solid #fff;opacity:0;pointer-events:none}
.origin[data-step="1"] .origin-art-frame{transform:rotate(0) scale(.96)}
.origin[data-step="2"] .origin-art-frame{transform:rotate(3deg) translateY(-3px)}
.origin[data-step="3"] .origin-art-frame{transform:rotate(0) scale(.93);box-shadow:0 12px 40px #0009}
.origin-evidence{border:1px solid #35352e;padding:17px 18px;background:#11110f}
.origin-fingerprint>div{display:flex;gap:12px;justify-content:space-between;align-items:start;font:500 .56rem/1.5 ui-monospace,monospace;color:#a5a59a;letter-spacing:.05em;text-transform:uppercase}
.origin-fingerprint code{display:block;margin-top:10px;font:400 .65rem/1.65 ui-monospace,monospace;color:#e3e3db;overflow-wrap:anywhere;min-height:2.2em}
.origin-history{padding:12px 0 0;margin:12px 0 0;border-top:1px solid #30302b;list-style:none;display:grid;gap:12px}
.origin-history li{display:grid;grid-template-columns:8px 40px 1fr;align-items:center;gap:10px;font-size:.65rem;line-height:1.5}
.origin-history li[hidden]{display:none}
.origin-history li>span:nth-child(2){font-family:ui-monospace,monospace;color:#88887e}
.origin-history strong{font-weight:500;color:#c8c8bd}
.origin-event-dot{width:5px;height:5px;background:#eeeee8;border-radius:50%}
.origin-change{width:100%;display:flex;justify-content:space-between;gap:12px;padding:13px 0 0;margin-top:13px;border:0;border-top:1px solid #30302b;background:none;color:#eeeee8;text-align:left;font-size:.7rem;cursor:pointer}
.origin-change[hidden],.origin-controls[hidden]{display:none}
.origin-change:disabled{cursor:wait;opacity:.65}
.origin-controls{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));margin-top:18px;border-top:1px solid #383830}
.origin-controls button{position:relative;display:grid;gap:8px;background:none;border:0;color:#a5a59a;padding:13px 4px;text-align:left;font-size:.61rem;cursor:pointer;line-height:1.35}
.origin-controls button>span{font:400 .5rem ui-monospace,monospace;color:#77776e}
.origin-controls button::before{content:"";position:absolute;top:-1px;left:0;right:12px;height:2px;background:#f1f1ee;transform:scaleX(0);transform-origin:left;transition:transform .4s}
.origin-controls button[aria-pressed="true"]{color:#fff}
.origin-controls button[aria-pressed="true"]::before{transform:scaleX(1)}
.origin-stage-note{font-size:.59rem;line-height:1.5;color:#98988d;margin:10px 0 0}
.origin-caption{font-size:.7rem;line-height:1.5;color:#d1d1c7;margin:8px 0 0;min-height:2.8em}
.origin-chapter{min-height:65svh;display:flex;flex-direction:column;justify-content:center;padding:90px 0;border-top:1px solid #2b2b25;scroll-margin-top:110px}
.origin-kicker{font:500 .62rem ui-monospace,monospace;letter-spacing:.12em;color:#a6a69c}
.origin-chapter h2{font-size:clamp(2.6rem,4.6vw,4.7rem);font-weight:800;line-height:1;letter-spacing:-.06em;margin:25px 0;max-width:480px;text-wrap:balance}
.origin-chapter p{color:#b7b7af;font-size:1rem;line-height:1.8;max-width:420px;margin:0}
.origin-text-link{font-size:.75rem;text-underline-offset:6px;margin-top:26px;align-self:start}
.origin :is(button,a):focus-visible{outline:2px solid #eee;outline-offset:5px}
/* With no JavaScript, the artwork and every chapter remain readable. */
@media(min-width:981px){
  .origin-stage-top{padding-bottom:10px}
  .origin-stage-top img{width:30px;height:24px}
  .origin-canvas{padding-block:18px 22px}
  .origin-evidence{padding:12px 16px}
  .origin-fingerprint code{margin-top:6px;font-size:.6rem;min-height:2.1em}
  .origin-history{padding-top:8px;margin-top:8px;gap:7px}
  .origin-change{padding-top:8px;margin-top:8px}
  .origin-controls{margin-top:12px}
  .origin-controls button{padding-block:9px;gap:5px}
  .origin-caption{min-height:0;margin-top:6px}
  .origin-stage-note{margin-top:6px;font-size:.55rem}
}
@media(min-width:981px) and (max-height:680px){
  .origin-stage{position:relative;top:auto;--origin-poster-height:300px}
}
@media(max-width:980px){
  .origin-layout{display:flex;flex-direction:column;gap:0;padding-inline:clamp(20px,5vw,45px)}
  .origin-narrative{display:contents}
  .origin-intro{order:0;min-height:auto;padding:65px 0 35px;width:100%}
  .origin h1{font-size:clamp(3.7rem,11vw,6rem);max-width:720px}
  .origin-lead{max-width:560px}
  .origin-stage{order:1;position:relative;top:auto;width:100%;max-width:580px;align-self:center;margin:0 0 50px;--origin-poster-height:375px}
  .origin-chapter{order:2;width:100%;min-height:0;padding:45px 0;scroll-margin-top:95px}
  .origin-chapter:last-child{padding-bottom:65px}
  .origin-chapter h2{font-size:clamp(2.6rem,7vw,4rem);max-width:650px}
  .origin-chapter p{max-width:600px}
  .origin-scroll{margin-top:24px}
  .origin-canvas{padding-top:30px}
}
@media(max-width:420px){
  .origin h1{font-size:clamp(3rem,13vw,3.7rem)}
  .origin .hero-actions{flex-direction:column;align-items:stretch}
  .origin-controls button{font-size:.56rem}
  .origin-stage-top>span{font-size:.5rem}
  .origin-evidence{padding:14px}
  .origin-art-frame{width:85%}
}
@media(prefers-reduced-motion:reduce){
  .origin *,.origin *::before{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}