:root{color-scheme:light dark;--paper:#f7f6f1;--card:#fff;--ink:#172e36;--muted:#52666c;--line:#d9e0dc;--accent:#b5552d;--soft:#e9efeb;--slate:#788f9d;--shadow:0 16px 52px #142d3620}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}.page{max-width:1180px;margin:auto;padding:0 30px 140px}a{color:inherit}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:focus-visible,a:focus-visible,textarea:focus-visible{outline:3px solid var(--accent);outline-offset:4px}button:disabled{cursor:default}.skip{position:fixed;left:12px;top:-80px;background:var(--card);padding:12px;z-index:10}.skip:focus{top:12px}header{height:98px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{text-decoration:none;font-size:24px;letter-spacing:-1px;white-space:nowrap}.brand b{font-weight:400;color:var(--accent)}.brand-mark{display:inline-block;background:var(--ink);color:var(--paper);border-radius:7px;padding:0 8px;margin-right:5px}nav{display:flex;gap:28px;font-size:13px}nav a{text-decoration:none}.status{font-size:11px;letter-spacing:.03em;text-transform:uppercase;white-space:nowrap}.status i{display:inline-block;width:6px;height:6px;border-radius:50%;background:#4f806e;margin-right:6px}.hero{display:grid;grid-template-columns:1.6fr 1fr;gap:70px;padding:72px 0 68px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:.16em;margin:0 0 15px;color:var(--muted)}h1,h2,h3,p{margin-top:0}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.045em;line-height:1.12}h1{font-size:56px;margin-bottom:24px}h1 em{font-weight:400;color:var(--accent)}.intro{max-width:570px;font-size:16px;color:var(--muted);margin-bottom:24px}.text-link{font-size:12px;font-weight:600;text-underline-offset:5px}.text-link span{margin-left:30px}.scale{border-left:1px solid var(--line);padding:18px 0 0 32px}.scale-label{display:block;font-size:9px;letter-spacing:.15em;font-weight:700}.scale strong{display:block;font-family:Georgia,serif;font-size:46px;font-weight:400;letter-spacing:-3px;margin:8px 0 0}.scale strong span{font-size:28px;color:var(--accent);margin:0 4px}.scale p{color:var(--muted);font-size:12px}.scale-detail{display:flex;gap:26px;padding:15px 0 16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:16px;font-size:10px}.scale-detail b{font-size:19px;display:block;color:var(--ink)}.scale .small{font-size:10px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:20px}h2{font-size:33px;margin-bottom:18px}h3{font-size:13px;letter-spacing:-.015em;font-weight:600;margin:0}.segmented{padding:3px;border:1px solid var(--line);border-radius:6px;margin:0 0 21px;display:flex;gap:2px;white-space:nowrap}.segmented button{background:transparent;border:0;color:var(--muted);font-size:10px;padding:8px 12px;border-radius:3px}.segmented button[aria-pressed=true]{background:var(--ink);color:var(--paper)}.evidence-note{font-size:11px;color:var(--muted);min-height:18px;margin-bottom:18px}.results-grid{display:grid;grid-template-columns:1.9fr 1fr;gap:18px}.chart-card,.model-card{background:var(--card);border:1px solid var(--line);padding:24px;border-radius:8px}.card-head{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}.unit{font-size:8px;letter-spacing:.1em;color:var(--muted)}#capture-chart{width:100%;display:block;font-family:inherit}#capture-chart text{fill:var(--muted);font-size:11px}#capture-chart .grid{stroke:var(--line);stroke-width:1}.legend{display:flex;gap:20px;font-size:10px;justify-content:center}.legend span{display:flex;align-items:center;gap:6px}.legend i{width:15px;height:3px;display:inline-block}.orange{background:var(--accent)}.slate{background:var(--slate)}.budget{border:0;padding:0;margin:24px 0 18px}.budget legend{font-size:10px;color:var(--muted);margin-bottom:8px}.budget>div{display:flex;gap:6px}.budget button{flex:1;border:1px solid var(--line);background:var(--card);color:var(--ink);font-size:10px;border-radius:4px;padding:7px 6px}.budget button[aria-pressed=true]{border-color:var(--accent);background:var(--accent);color:#fff}.capture-summary{border-top:1px solid var(--line);padding-top:16px;display:grid;grid-template-columns:1fr 1fr;gap:14px;font-size:10px;color:var(--muted)}.capture-summary strong{font-size:25px;font-family:Georgia,serif;color:var(--ink);font-weight:400;display:block}.capture-summary p{margin:0}.capture-summary .comparison{grid-column:1/-1;font-size:10px}.model-row{margin:25px 0}.model-label{font-size:11px;display:flex;justify-content:space-between;margin-bottom:9px}.model-label strong{font-size:13px}.bar-track{height:6px;background:var(--soft);border-radius:2px}.bar{height:100%;background:var(--slate);border-radius:2px}.bar.best{background:var(--accent)}.micro{font-size:10px;color:var(--muted);line-height:1.7}.result-callout{margin:25px 0 16px;padding:18px;background:var(--soft);border-radius:4px}.result-callout .eyebrow{font-size:8px;display:block;margin-bottom:8px}.result-callout p{font-family:Georgia,serif;font-size:21px;line-height:1.2;letter-spacing:-.04em;margin-bottom:0}.method{margin-top:70px;padding:42px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:70px}.method p{font-size:12px;color:var(--muted);max-width:420px}.method-steps{padding:0;margin:0;list-style:none;counter-reset:steps}.method-steps li{counter-increment:steps;position:relative;padding:0 0 20px 40px}.method-steps li:before{content:"0" counter(steps);position:absolute;left:0;top:2px;color:var(--accent);font-size:10px}.method-steps b{font-size:12px;display:block}.method-steps span{font-size:11px;color:var(--muted);display:block}.limits{padding:50px 0}.limit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin:26px 0 12px}.limit-grid p{font-size:11px;color:var(--muted)}.limit-grid b{display:block;color:var(--ink);font-size:12px;margin-bottom:8px}footer{border-top:1px solid var(--line);padding-top:24px;display:flex;justify-content:space-between;gap:16px;font-size:8px;letter-spacing:.08em;color:var(--muted)}.guide-launcher{position:fixed;right:24px;bottom:22px;z-index:5;border:1px solid var(--line);border-radius:9px;background:var(--ink);color:var(--paper);box-shadow:var(--shadow);padding:13px 16px;display:flex;align-items:center;gap:24px;text-align:left}.guide-launcher b{display:block;font-size:13px;letter-spacing:-.02em}.guide-launcher i{color:#e7a273;font-style:normal}.guide-launcher small{display:block;font-size:9px;opacity:.82;margin-top:3px}.launch-arrow{font-size:19px}.assistant-panel{position:fixed;right:24px;bottom:110px;width:354px;max-height:calc(100dvh - 145px);overflow:auto;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:24px;box-shadow:var(--shadow);z-index:4}.assistant-panel[hidden],.gpt-link[hidden],textarea[hidden]{display:none}.assistant-heading{display:flex;justify-content:space-between;gap:16px}.assistant-heading .eyebrow{font-size:8px;margin-bottom:10px}.assistant-heading h2{font-family:inherit;letter-spacing:-.05em;font-weight:500;font-size:26px;margin-bottom:12px}.assistant-heading h2 span{color:var(--accent)}.icon-button{width:30px;height:30px;padding:0;line-height:24px;font-size:23px;border:1px solid var(--line);border-radius:50%;background:var(--card);color:var(--ink)}.guide-intro{font-size:12px;color:var(--muted)}.starters{list-style:none;padding:0;margin:20px 0}.starters li{margin-bottom:8px}.starters button{width:100%;background:var(--paper);border:1px solid var(--line);color:var(--ink);text-align:left;padding:10px 12px;border-radius:6px;font-size:11px;line-height:1.5}.starters button:hover{border-color:var(--accent)}.guide-status{font-size:11px;color:var(--muted);margin-bottom:12px}.gpt-link{display:block;background:var(--accent);color:#fff;text-align:center;text-decoration:none;font-size:12px;padding:11px;border-radius:5px}.guide-boundary{margin:16px 0 0;font-size:9px;color:var(--muted);text-align:center}textarea{width:100%;font:inherit;font-size:11px;min-height:80px;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:4px;padding:8px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(min-width:1100px){body.assistant-open .page{width:auto;max-width:none;margin-left:20px;margin-right:390px}body.assistant-open .hero{gap:25px;grid-template-columns:1fr}body.assistant-open .scale{display:none}body.assistant-open .results-grid{grid-template-columns:1fr}body.assistant-open .method{gap:30px}}@media(max-width:1099px){.assistant-panel{position:relative;right:auto;bottom:auto;width:100%;max-width:600px;max-height:none;margin:30px 0 0 auto;box-shadow:none}}@media(max-width:760px){.page{padding:0 20px 150px}header{height:80px;gap:12px}.brand{font-size:20px}nav{gap:13px;font-size:10px}.status{display:none}.hero{grid-template-columns:1fr;gap:30px;padding:48px 0}.scale{border-left:0;border-top:1px solid var(--line);padding:20px 0 0}.scale strong{font-size:38px}.scale-detail{display:none}.scale .small{display:none}.scale p{margin-bottom:0}h1{font-size:42px}.intro{font-size:14px}.section-heading{display:block}h2{font-size:29px}.segmented{width:fit-content;margin:10px 0 15px}.chart-card,.model-card{padding:18px}.results-grid{grid-template-columns:1fr}.card-head{gap:8px}.unit{font-size:7px}h3{font-size:12px}.method{grid-template-columns:1fr;gap:20px;margin-top:44px;padding:30px 0}.limit-grid{grid-template-columns:1fr;gap:8px}.limits{padding:36px 0}.limits h2 br{display:none}footer{display:block;line-height:2}.guide-launcher{right:16px;bottom:16px;padding:12px 14px}.assistant-panel{padding:20px}.capture-summary strong{font-size:23px}}@media(prefers-color-scheme:dark){:root{--paper:#112127;--card:#172d34;--ink:#e9eee8;--muted:#b2c1bf;--line:#355058;--accent:#d98650;--soft:#203c44;--slate:#83a3b3;--shadow:0 16px 52px #0005}.guide-launcher{background:#e5e9df;color:#152d35}.brand-mark{background:#d98650;color:#112127}.budget button[aria-pressed=true],.gpt-link{color:#112127;font-weight:600}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

@media(max-width:760px){.starters button{font-size:13px}.guide-intro,.guide-status{font-size:12px}.guide-launcher small{font-size:10px}}

@media(max-width:760px){footer span{display:block}}

/* Reserve viewport space for the floating control so it never covers content. */
body{height:100dvh;overflow:hidden}.page{height:calc(100dvh - 102px);overflow-y:auto;overscroll-behavior:contain;padding-bottom:44px;scroll-behavior:smooth}@media(prefers-reduced-motion:reduce){.page{scroll-behavior:auto}}

.segmented{flex-wrap:wrap}.budget button:disabled{opacity:.45;cursor:not-allowed}

/* Persistent starter feedback, with text and border cues in both color themes. */
.guide-status.is-notice{font-size:13px;line-height:1.6;font-weight:600;color:var(--ink);background:var(--soft);border:2px solid var(--accent);border-radius:6px;padding:14px;margin:16px 0;overflow-wrap:anywhere}

.legend{flex-wrap:wrap}.ceiling{border-top:2px dashed var(--muted)}#ceiling-legend[hidden],#local-comparisons[hidden]{display:none}.comparison-card{margin-top:20px;background:var(--card);border:1px solid var(--line);border-radius:8px;padding:24px}.comparison-card p{font-size:12px;max-width:950px}.comparison-card h3{margin-bottom:14px}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:12px;margin:16px 0}th,td{text-align:right;padding:10px;border-bottom:1px solid var(--line)}th:first-child{text-align:left}tbody th{font-weight:400}.legend i{flex-shrink:0}

/* Mobile/tablet modal visibility must not depend on scrolling the dashboard. */
@media(max-width:1099px){.assistant-panel{position:fixed;top:16px;right:16px;bottom:auto;left:16px;width:auto;max-width:600px;max-height:calc(100dvh - 128px);margin:0 auto;overflow-y:auto;overscroll-behavior:contain;z-index:20;box-shadow:var(--shadow)}}