:root{color-scheme:light;--paper: #f4eedc;--sheet: #fffdf5;--ink: #17252a;--muted: #59686a;--coral: #b84432;--teal: #087e78;--gold: #a56a00;--success: #246b43;--warning: #8a5700;--danger: #a12e36;--night: #10191c;--line: #304247;--soft-line: #c8c0aa;--shadow: 6px 7px 0 rgb(23 37 42 / 18%);--display: Georgia, Cambria, "Times New Roman", serif;--body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;font-family:var(--body);font-size:16px;color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{min-width:320px;background:var(--paper);scroll-behavior:smooth}body{min-width:320px;min-height:100vh;margin:0;background:linear-gradient(rgb(23 37 42 / 3%) 1px,transparent 1px),linear-gradient(90deg,rgb(23 37 42 / 3%) 1px,transparent 1px),var(--paper);background-size:32px 32px;line-height:1.55}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}a{color:#075f5b;text-decoration-thickness:2px;text-underline-offset:.18em}a:hover{text-decoration-thickness:3px}button{color:var(--ink)}:focus-visible{outline:3px solid var(--teal);outline-offset:3px;box-shadow:0 0 0 2px var(--sheet)}.skip-link{position:fixed;z-index:100;top:8px;left:8px;display:inline-flex;min-height:44px;align-items:center;padding:12px 16px;color:#fff;background:var(--night);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}.site-header{position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:16px;width:min(1200px,100%);min-height:64px;margin-inline:auto;padding:8px max(16px,env(safe-area-inset-left));border-bottom:2px solid var(--ink);background:#f4eedcf0}.wordmark{display:inline-flex;align-items:center;gap:8px;min-height:44px;color:var(--ink);font-family:var(--display);font-size:1.05rem;font-weight:700;text-decoration:none}.wordmark-mark{display:grid;width:36px;height:36px;place-items:center;border:2px solid var(--ink);border-radius:50%;color:#fff;background:var(--coral);font-family:var(--body);font-size:.8rem;letter-spacing:-.1em}.site-header nav,.site-footer nav{display:flex;align-items:center;gap:12px}.site-header nav a{display:inline-flex;min-width:44px;min-height:44px;align-items:center;justify-content:center;color:var(--ink);font-size:.9rem;font-weight:700}.demo-banner{position:sticky;z-index:9;top:0;display:flex;align-items:center;justify-content:center;gap:16px;padding:8px 16px;border-bottom:2px solid var(--ink);color:var(--ink);background:#f5d993;font-size:.9rem}.demo-actions{display:flex;align-items:center;gap:12px}.demo-actions a{display:inline-flex;min-height:44px;align-items:center}.text-button{min-height:44px;padding:4px 6px;border:0;background:transparent;font-weight:700;text-decoration:underline;text-decoration-thickness:2px;cursor:pointer}main{display:block}.hero-shell{position:relative;display:grid;gap:24px;width:min(1200px,calc(100% - 24px));margin:16px auto 0;isolation:isolate}.scene-art{position:absolute;z-index:-1;inset:0 0 auto auto;width:min(720px,90%);overflow:hidden;border:2px solid var(--ink);opacity:.12;transform:rotate(1deg)}.scene-art img{display:block;width:100%;height:auto}.hero-copy{max-width:620px;padding:16px 8px 0}.eyebrow,.seed-label,.rule-label,.control-label,.result-stamp{margin:0 0 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