:root{--ink:#171713;--paper:#f4efe4;--cream:#fffaf0;--line:#d7cfbf;--red:#d94e41;--green:#27785a;--amber:#be7918;--muted:#706a60}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}
button,input,textarea{font:inherit}.topbar{height:68px;padding:0 5vw;display:flex;align-items:center;gap:24px;border-bottom:1px solid var(--line);background:#f8f4eb;position:sticky;top:0;z-index:20}
.brand{display:flex;align-items:center;gap:11px;font-weight:700;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:34px;height:34px;background:var(--ink);color:var(--cream);font:500 11px ui-monospace,SFMono-Regular,Menlo,monospace;border-radius:50%}
.top-status{margin-left:auto;font:500 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}.pulse{display:inline-block;width:7px;height:7px;background:var(--green);border-radius:50%;margin-right:8px;box-shadow:0 0 0 5px #27785a18}.engine-link{font-size:12px;color:var(--muted);text-decoration:none}
main{max-width:1320px;margin:auto;padding:0 4vw}.hero{min-height:670px;display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:6vw;border-bottom:1px solid var(--line)}
.kicker{font:500 11px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.17em;color:#625c51;margin:0 0 16px}.hero h1,.section-heading h2,.case-header h2,.method h2{font-family:Georgia,"Times New Roman",serif;letter-spacing:-.055em;margin:0}.hero h1{font-size:clamp(62px,8vw,126px);line-height:.82}.hero h1 em{font-weight:700;color:var(--red)}.hero-text{font-size:18px;line-height:1.6;max-width:620px;color:#575147;margin:28px 0}
.hero-actions{display:flex;gap:10px;flex-wrap:wrap}.button{border:1px solid var(--ink);border-radius:99px;padding:14px 20px;font-weight:700;cursor:pointer;background:transparent;transition:.2s}.button:hover{transform:translateY(-2px)}.button.primary{background:var(--red);border-color:var(--red);color:white}.button.dark{background:var(--ink);color:white}.button.quiet{border-color:var(--line)}.button.wide{width:100%;border-radius:13px;margin-top:16px}
.hero-visual{height:500px;position:relative}.packet{position:absolute;border:2px solid var(--ink);box-shadow:12px 12px 0 var(--ink);display:flex;flex-direction:column}.packet-front{width:240px;height:335px;background:#f4b948;right:18%;top:55px;padding:25px;transform:rotate(7deg)}.packet-front span{font:800 32px/1 Inter,ui-sans-serif,sans-serif}.packet-front strong{font:800 21px/1.1 Inter,ui-sans-serif,sans-serif;margin:auto 0}.packet-front small{font:500 10px ui-monospace,SFMono-Regular,Menlo,monospace;border-top:2px solid;padding-top:10px}.packet-back{width:245px;height:340px;background:var(--cream);left:5%;top:90px;padding:25px;transform:rotate(-8deg)}.packet-back span{font:600 11px ui-monospace,SFMono-Regular,Menlo,monospace;margin-bottom:15px}.packet-back i{height:5px;background:var(--ink);margin:4px 0}.packet-back i:nth-of-type(2){width:85%}.packet-back i:nth-of-type(3){width:70%}.packet-back b{border:2px solid;margin-top:auto;padding:12px}.stamp{position:absolute;right:2%;bottom:28px;border:3px solid var(--red);color:var(--red);padding:14px;border-radius:50%;font:800 15px/1.1 ui-monospace,SFMono-Regular,Menlo,monospace;transform:rotate(-13deg)}
.trust-strip{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}.trust-strip div{display:flex;gap:14px;padding:22px 14px;border-right:1px solid var(--line);font-size:13px}.trust-strip b{font:500 11px "DM Mono";color:var(--red)}
.workspace,.results,.method{padding:100px 0}.section-heading,.case-header{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:40px}.section-heading h2,.case-header h2,.method h2{font-size:clamp(42px,6vw,76px);line-height:.96}.section-heading>p{max-width:390px;color:var(--muted);line-height:1.6}
.mode-switch{display:flex;gap:5px;border-bottom:1px solid var(--line);margin-bottom:24px}.mode-switch button{border:0;background:transparent;padding:15px 18px;color:var(--muted);cursor:pointer}.mode-switch button.active{color:var(--ink);border-bottom:3px solid var(--red);font-weight:700}.mode-panel{display:none}.mode-panel.active{display:block}
.upload-grid,.text-grid,.sample-grid,.claim-grid,.evidence-summary,.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.upload-card{min-height:280px;border:1px solid var(--line);background:var(--cream);border-radius:18px;padding:16px;display:grid;grid-template-columns:1fr auto;gap:14px;cursor:pointer}.upload-card input{display:none}.upload-preview{grid-column:1/-1;height:185px;border:1px dashed #bcb3a4;border-radius:12px;display:grid;place-items:center;background:#eee7d9 center/cover no-repeat}.upload-icon{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--ink);color:white;font:500 16px "DM Mono"}.upload-card div b,.upload-card div span{display:block}.upload-card div span{font-size:12px;color:var(--muted);margin-top:4px}.upload-card strong{font-size:12px;color:var(--red)}
.status-line{text-align:center;font:400 11px "DM Mono";color:var(--muted)}.text-grid label>span{display:block;font:500 11px "DM Mono";letter-spacing:.1em;margin-bottom:8px}.text-grid textarea{width:100%;min-height:260px;padding:18px;border:1px solid var(--line);border-radius:14px;background:var(--cream);resize:vertical;line-height:1.55}.text-grid textarea:focus{outline:2px solid var(--red);outline-offset:2px}
.sample-card{padding:24px;background:var(--cream);border:1px solid var(--line);border-radius:16px;cursor:pointer;text-align:left;transition:.2s}.sample-card:hover{border-color:var(--red);transform:translateY(-3px)}.sample-card b{display:block;font-size:19px;margin-bottom:8px}.sample-card span{font-size:13px;color:var(--muted)}
.results{border-top:1px solid var(--line)}.hidden{display:none}.case-score{width:120px;height:120px;border:1px solid var(--ink);border-radius:50%;display:flex;align-items:center;justify-content:center;gap:8px}.case-score span{font:800 45px "Playfair Display"}.case-score small{font:500 8px/1.4 "DM Mono"}
.agent-section{margin-bottom:28px;padding:26px;border:1px solid var(--line);background:var(--cream);border-radius:18px}.agent-heading{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.agent-heading h3{font:700 clamp(27px,4vw,46px)/1 Georgia,serif;margin:0}.agent-heading>span{font:500 9px ui-monospace,SFMono-Regular,Menlo,monospace;padding:8px 11px;border:1px solid var(--line);border-radius:99px;color:var(--green)}.agent-steps{display:grid;grid-template-columns:repeat(2,1fr);gap:9px}.agent-steps article{display:grid;grid-template-columns:auto 1fr;gap:10px;padding:15px;border:1px solid var(--line);border-radius:11px;background:#f8f3e9}.agent-steps article>span{font:500 10px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--red)}.agent-steps b{font-size:13px;text-transform:capitalize}.agent-steps p{font-size:11px;line-height:1.4;color:var(--muted);margin:5px 0}.agent-steps small{grid-column:2;font:500 8px ui-monospace,SFMono-Regular,Menlo,monospace;text-transform:uppercase;color:var(--green)}.agent-stop{display:grid;grid-template-columns:1fr 1fr;gap:9px;margin-top:9px}.agent-stop p{margin:0;padding:14px;border-top:1px solid var(--line);font-size:11px;line-height:1.5}.agent-stop b,.agent-stop span{display:block}.agent-stop b{font:500 8px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted);margin-bottom:5px}
.nemotron-review{display:grid;gap:6px;margin-top:12px;padding:16px;border:1px solid #9fc2a9;border-radius:11px;background:#edf5eb}.nemotron-review:empty{display:none}.nemotron-review b{font:600 8px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em;color:var(--green)}.nemotron-review strong{font-size:14px}.nemotron-review span{font-size:11px;line-height:1.5;color:var(--muted)}
.gap-section{margin-bottom:28px;padding:26px;border:1px solid var(--ink);background:#1b1b17;color:var(--cream);border-radius:18px}.gap-heading{display:flex;justify-content:space-between;gap:20px;align-items:end;margin-bottom:18px}.gap-heading .kicker{color:#bdb4a6}.gap-heading h3{font:700 clamp(27px,4vw,46px)/1 Georgia,serif;max-width:700px;margin:0}.gap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.gap-card,.gap-empty{padding:19px;border:1px solid #4a483f;border-radius:13px;background:#26251f}.gap-card.high{border-color:var(--red)}.gap-card.medium{border-color:var(--amber)}.gap-severity{font:500 8px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.13em;text-transform:uppercase;color:#d9a65e}.gap-card h4{font-size:20px;margin:10px 0 16px}.gap-compare{display:grid;grid-template-columns:1fr 1fr;gap:10px}.gap-compare p{margin:0;padding:11px;background:#313029;border-radius:8px;font-size:12px;line-height:1.45}.gap-compare b{display:block;font:500 8px ui-monospace,SFMono-Regular,Menlo,monospace;color:#bdb4a6;margin-bottom:5px}.gap-card .evidence{border-top-color:#4a483f}.gap-empty{display:grid;gap:5px;color:#bdb4a6}
.claim-grid{grid-template-columns:repeat(2,1fr)}.claim-card{background:var(--cream);border:1px solid var(--line);border-top:6px solid var(--muted);border-radius:16px;padding:23px}.claim-card.supported{border-top-color:var(--green)}.claim-card.contradicted{border-top-color:var(--red)}.claim-card.context{border-top-color:var(--amber)}.claim-top{display:flex;justify-content:space-between;gap:10px;align-items:start}.claim-name{font-size:21px;font-weight:800}.verdict{font:500 8px/1.3 ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em;border:1px solid var(--line);border-radius:99px;padding:7px 9px;text-align:right}.confidence{display:block;margin-top:8px;font:500 8px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}.summary{min-height:45px;color:#534d43;line-height:1.5}.evidence{padding:11px 0;border-top:1px solid var(--line)}.evidence b,.evidence span{display:block}.evidence b{font:500 8px ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.12em;color:var(--muted);text-transform:uppercase}.evidence span{font-size:13px;margin-top:4px}.caveat{font-size:11px;color:var(--muted);margin-top:15px}
.evidence-summary{margin-top:16px}.evidence-summary article{padding:25px;border:1px solid var(--line);border-radius:16px;background:var(--cream)}#nutrition-grid div{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--line);font-size:13px}.date-card{background:var(--ink)!important;color:var(--cream)}.date-card .kicker{color:#cfc5b6}.date-card h3{font:700 28px/1.15 "Playfair Display"}details{margin-top:16px;border:1px solid var(--line);border-radius:14px;padding:17px;background:var(--cream)}summary{cursor:pointer;font-weight:700}pre{white-space:pre-wrap;font:11px/1.5 "DM Mono";overflow:auto}
.nutrition-explanation{font-size:11px;line-height:1.5;color:var(--muted);margin:14px 0 0}
.method{border-top:1px solid var(--line)}.method-grid{grid-template-columns:repeat(4,1fr);margin-top:40px}.method-grid div{padding:20px;border-top:2px solid var(--ink)}.method-grid span{font:500 10px "DM Mono";color:var(--red)}.method-grid p{font-size:13px;line-height:1.5;color:var(--muted)}
.feedback-agent{display:grid;grid-template-columns:.8fr 1.2fr;gap:28px;margin-top:18px;padding:26px;border:1px solid var(--line);border-radius:18px;background:var(--cream)}.feedback-agent h3{font:700 clamp(25px,4vw,42px)/1 Georgia,serif;margin:0}.feedback-agent p{font-size:12px;line-height:1.55;color:var(--muted)}.feedback-controls{display:grid;gap:10px}.feedback-choice{display:flex;gap:8px;flex-wrap:wrap}.feedback-choice button.active{background:var(--red);border-color:var(--red);color:white}.feedback-controls textarea{min-height:95px;padding:13px;border:1px solid var(--line);border-radius:11px;background:#f8f3e9;resize:vertical}.feedback-controls>span{font:500 9px/1.5 ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--green)}
footer{display:flex;justify-content:space-between;gap:20px;padding:25px 5vw;border-top:1px solid var(--line);font:500 10px "DM Mono";color:var(--muted)}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:auto;padding:80px 0}.hero-visual{height:430px}.trust-strip{grid-template-columns:1fr}.trust-strip div{border-right:0}.section-heading,.case-header,.agent-heading{align-items:start;flex-direction:column}.upload-grid,.text-grid,.claim-grid,.evidence-summary,.gap-grid,.agent-steps,.agent-stop,.feedback-agent{grid-template-columns:1fr}.method-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.top-status,.engine-link{display:none}.hero h1{font-size:58px}.hero-visual{transform:scale(.8);transform-origin:left top;height:350px;width:125%}.workspace,.results,.method{padding:65px 0}.mode-switch{overflow:auto}.mode-switch button{white-space:nowrap;padding:13px 10px}.sample-grid,.method-grid{grid-template-columns:1fr}.case-score{width:90px;height:90px}.claim-top{display:block}.verdict{display:inline-block;margin-top:8px}footer{display:block}footer span{display:block;margin:5px 0}}