:root{--bg:#07090d;--panel:#0d1118;--panel2:#111720;--line:#252d38;--text:#f2f5f8;--muted:#8e99a8;--accent:#d9ff4a;--danger:#ff6577;--warn:#ffc857;--ok:#55e6a5}*{box-sizing:border-box}body{margin:0;background:radial-gradient(circle at 75% 0%,#17202d 0,#07090d 42%);color:var(--text);font:14px Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif}.shell{max-width:1280px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center;padding:4px 0 26px;border-bottom:1px solid var(--line)}.brand{display:flex;gap:12px;align-items:center}.mark{width:38px;height:38px;border:1px solid #3a4654;display:grid;place-items:center;font-weight:900;color:var(--accent)}.brand b{display:block;letter-spacing:3px}.brand span{display:block;color:var(--muted);font-size:9px;letter-spacing:2px;margin-top:3px}.status{font-size:10px;letter-spacing:1.5px;color:#aeb8c5}.status i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 12px var(--ok);margin-right:7px}.hero{display:grid;grid-template-columns:1.6fr .8fr;gap:48px;padding:68px 0 42px}.eyebrow{color:var(--accent);font-size:10px;letter-spacing:2.5px;font-weight:800}.hero h1{font-size:clamp(40px,5vw,72px);line-height:.98;letter-spacing:-3px;max-width:850px;margin:14px 0}.hero h1 em{font-style:normal;color:var(--accent)}.lead{color:#aeb8c5;font-size:17px;line-height:1.7;max-width:780px}.chips{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.chips span{border:1px solid var(--line);background:#0b0f15;padding:8px 10px;color:#b9c3ce;font-size:11px}.proofline{margin-top:24px;color:#c8d0da;max-width:700px}.proofline b{color:var(--text)}.hero-card{border:1px solid var(--line);background:linear-gradient(145deg,#111822,#0a0d12);padding:28px;align-self:center}.small{font-size:9px;letter-spacing:2px;color:var(--muted)}.big{font-size:54px;font-weight:900;margin:18px 0 12px}.meter{height:6px;background:#202833}.meter div{height:100%;width:0;background:var(--accent);transition:width .5s}.hero-card p{color:var(--muted);line-height:1.6}.value{display:grid;grid-template-columns:1fr 30px 1fr 30px 1fr 30px 1fr;gap:10px;align-items:center;border:1px solid var(--line);background:#0a0d12;padding:18px;margin-bottom:34px}.value div:not(.arrow){display:flex;flex-direction:column;gap:5px}.value b{color:var(--accent);font-size:10px}.value strong{font-size:12px}.value span{color:var(--muted);font-size:11px}.arrow{color:#596474;text-align:center;font-size:20px}nav{display:flex;border-bottom:1px solid var(--line);gap:2px}.tab{background:transparent;color:#7f8a99;border:0;padding:15px 18px;font-size:10px;font-weight:800;letter-spacing:1.4px;cursor:pointer}.tab.active{color:var(--text);border-bottom:2px solid var(--accent)}.panel{display:none;padding:30px 0}.panel.active{display:block}.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.card{background:var(--panel);border:1px solid var(--line);padding:18px}.cardhead{display:flex;justify-content:space-between;align-items:center}.card h2,.intro h2{font-size:17px;margin:0}.cardhead button,.scenario-grid button{background:#111720;border:1px solid var(--line);color:#b9c3ce;padding:8px 10px;cursor:pointer}textarea{width:100%;height:370px;margin-top:15px;background:#080b10;color:#cbd5e1;border:1px solid #202834;padding:14px;font:12px/1.55 ui-monospace,SFMono-Regular,Consolas,monospace;resize:vertical}.primary{margin:18px 0;background:var(--accent);border:0;padding:15px 20px;font-weight:900;letter-spacing:1px;cursor:pointer}.primary span{margin-left:15px}.result{margin-top:4px;background:var(--panel);border:1px solid var(--line);padding:20px}.hidden{display:none}.verdict{font-size:34px;font-weight:900}.verdict.PASS{color:var(--ok)}.verdict.FAIL{color:var(--danger)}.verdict.PARTIAL{color:var(--warn)}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin:20px 0}.stat{border:1px solid var(--line);padding:14px;background:#0a0d12}.stat b{display:block;font-size:22px}.stat span{color:var(--muted);font-size:10px}.finding{border-left:3px solid var(--warn);background:#11161d;padding:13px;margin-top:8px}.finding.critical{border-left-color:var(--danger)}.finding.high{border-left-color:var(--warn)}.finding .top{display:flex;justify-content:space-between;font-weight:800}.finding small{display:block;color:#aab4c1;line-height:1.55;margin-top:5px}.scenario-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:25px}.scenario-grid button{text-align:left;padding:18px;min-height:150px}.scenario-grid b{display:block;color:var(--accent);font-size:10px}.scenario-grid strong{display:block;color:var(--text);margin:18px 0 7px}.scenario-grid span{color:var(--muted);line-height:1.5}.demo-note{border:1px solid 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span{color:#9ba6b5;line-height:1.5}.boundary{margin-top:14px;padding:16px;border:1px solid var(--line);color:var(--muted);line-height:1.6}.boundary b{color:#d9e0e8}.intro{display:flex;justify-content:space-between}.intro p:not(.eyebrow){color:var(--muted);line-height:1.6}footer{border-top:1px solid var(--line);padding:20px 0;color:#566171;font-size:9px;letter-spacing:1.5px}@media(max-width:900px){.hero,.grid,.commercial{grid-template-columns:1fr}.scenario-grid,.method{grid-template-columns:1fr 1fr}.value{grid-template-columns:1fr}.arrow{display:none}.price{border-left:0;border-top:1px solid var(--line);padding:20px 0 0;margin-top:20px}}@media(max-width:600px){.shell{padding:15px}.scenario-grid,.method,.stats{grid-template-columns:1fr}.hero h1{letter-spacing:-2px}.hero{padding-top:40px}}