:root{color-scheme:light;--ink:#35261c;--paper:#f2ede3;--muted:#766658;--line:#d3c7b8;--coffee:#613d28}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,sans-serif}a{color:inherit;text-underline-offset:5px}button,a{-webkit-tap-highlight-color:transparent}header,footer{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 4%;padding:25px 0;font-size:12px}header{border-bottom:1px solid var(--line)}header>a{text-decoration:none;min-height:32px;display:flex;align-items:center}header>span,footer>span,.eyebrow,.scene-label{font-family:monospace;letter-spacing:.12em;font-size:10px}.hero{max-width:1440px;margin:auto;padding:34px 4% 16px}.heading{text-align:center;position:relative;z-index:1}.eyebrow{color:var(--muted);margin:0 0 18px;text-transform:uppercase}h1{font-size:clamp(32px,4.2vw,62px);font-weight:400;line-height:1.08;letter-spacing:-.045em;margin:0}h1 em{font-family:Georgia,serif;font-weight:400}.intro{font-size:14px;line-height:1.6;color:var(--muted);margin:18px 0 24px}.scene{position:relative;aspect-ratio:16/9;max-height:62vh;max-width:1100px;margin:auto;overflow:hidden;background:#c28c60;touch-action:pan-y;cursor:ew-resize}.scene img,.scene canvas{display:block;width:100%;height:100%;object-fit:contain}.scene canvas{position:absolute;inset:0;opacity:0;transition:opacity 150ms}.scene.ready canvas{opacity:1}.scene-label{position:absolute;inset:auto 28px 24px;display:flex;justify-content:space-between;align-items:end;color:#40291d;pointer-events:none;line-height:1.7;letter-spacing:.06em}.controls{max-width:1100px;margin:0 auto;padding:23px 0;display:flex;align-items:center;justify-content:space-between;gap:18px}#status{font-size:14px;margin:0 0 6px}#hint{font-size:12px;color:var(--muted);max-width:420px;line-height:1.5;margin:0}.buttons{display:flex;gap:8px;flex-wrap:wrap}button{font:inherit;font-size:13px;border:1px solid var(--line);padding:13px 18px;min-height:46px;background:transparent;color:var(--ink);border-radius:2px;cursor:pointer;transition:background-color 150ms}button:hover{background:#e6daca}button.primary{background:var(--coffee);border-color:var(--coffee);color:#fff8ec}button.primary:hover{background:#442919}button.primary span{margin-left:24px}button:disabled{opacity:.5;cursor:default}:focus-visible{outline:3px solid #774324;outline-offset:5px}footer{border-top:1px solid var(--line);color:var(--muted)}[hidden]{display:none!important}
.guide{max-width:860px;margin:auto;padding:50px 24px;line-height:1.8}.guide h1{font-size:42px}.guide h2{margin-top:40px;font-family:Georgia,serif;font-weight:400}.guide pre{white-space:pre-wrap;overflow-wrap:anywhere;padding:20px;background:#e8dfd2;font-size:13px;line-height:1.7}.guide img{max-width:100%;height:auto}.guide li{margin:8px 0}
@media(max-width:680px){header,footer{flex-wrap:wrap;padding:16px 0;gap:12px}header>span{display:none}.hero{padding-top:28px}.scene{max-height:none;aspect-ratio:4/3}.scene img,.scene canvas{object-fit:cover}.scene-label{inset:auto 14px 12px;font-size:8px}.scene-label>span:first-child{display:none}.scene-label>span:last-child{margin-left:auto}.controls{align-items:start;flex-direction:column}.buttons{width:100%}.buttons button{flex:1;padding:12px}.intro{font-size:13px}footer>span{display:none}.guide h1{font-size:32px}}
@media(prefers-reduced-motion:reduce){.scene canvas{transition:opacity 120ms}}