:root{--bg:#f3f4f6;--panel:#fff;--ink:#111827;--muted:#647084;--line:#dfe4eb;--teal:#008fa3}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;font-size:15px}.shell{max-width:1200px;margin:auto;padding:0 28px}.nav{display:flex;align-items:center;justify-content:space-between;height:96px}.brand{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font-size:25px;font-weight:750;letter-spacing:-1px}.brand svg{width:38px;height:38px;color:var(--teal)}nav{display:flex;gap:36px}nav a{text-decoration:none;color:#536074;padding:12px 0;font-size:14px}nav a.active{border-bottom:2px solid var(--teal);color:var(--ink)}.intro{text-align:center;padding:32px 0 36px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--teal)}h1{font-size:clamp(30px,4vw,48px);letter-spacing:-1.8px;margin:14px 0 12px;line-height:1.15}.intro p{font-size:17px;margin:0;color:var(--muted)}.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;box-shadow:0 4px 20px #1f293704}.test-panel{padding:24px}.status{display:flex;justify-content:center;align-items:center;gap:9px;font-size:13px;color:#485468;min-height:20px}#status-dot{width:9px;height:9px;border-radius:50%;background:#43c461}#status-dot.busy{background:var(--teal)}#status-dot.error{background:#d34b4b}.metrics{display:grid;grid-template-columns:1fr 1fr 1.4fr 1fr 1fr;align-items:center;padding:24px 0 10px}.metric{display:flex;flex-direction:column;align-items:center;gap:12px}.metric svg{width:29px;height:29px;color:var(--teal)}.metric h2{font-size:14px;font-weight:500;margin:0}.metric strong{font-size:36px;font-weight:650;letter-spacing:-1px;min-height:44px}.metric>span{font-size:13px;color:var(--muted)}.metric:nth-child(1),.metric:nth-child(4){border-right:1px solid var(--line)}.start{display:flex;align-items:center;flex-direction:column;gap:14px}.start button{border:4px solid var(--teal);background:white;border-radius:50%;width:150px;height:150px;color:var(--ink);font:700 40px inherit;font-family:inherit;font-size:40px;font-weight:700;cursor:pointer;transition:background .2s,transform .2s;box-shadow:0 0 0 8px #008fa305}.start button:hover{background:#f0fbfc;transform:scale(1.025)}.start button:disabled{cursor:wait;font-size:18px}.start>span{font-size:13px}.progress{height:3px;margin:14px 0 18px;background:#f1f4f7;border-radius:3px;overflow:hidden}.progress>div{height:100%;width:0;background:var(--teal);transition:width .3s}.connection{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding:0 6px}.connection>div{display:flex;align-items:center;gap:20px}.connection>div+div{border-left:1px solid var(--line);padding-left:32px}.connection svg{width:32px;height:32px;color:var(--teal)}.connection small{display:block;font-size:11px;color:var(--muted);margin-bottom:6px}.connection span{font-size:13px;color:#475569}.tag{margin-left:auto;padding:5px 9px;border-radius:5px;background:#f2f5f7;font-size:10px!important;white-space:nowrap}.quality{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 24px;margin-top:16px}.quality>div{display:flex;align-items:center;gap:22px;padding:4px 22px}.quality>div+div{border-left:1px solid var(--line)}.quality svg{width:36px;height:36px;color:var(--teal);flex-shrink:0}.quality h2{font-size:15px;margin:0 0 9px;font-weight:600}.quality p{font-size:12px;margin:0;color:var(--muted)}.history{margin-top:18px;padding:22px 24px}.section-heading{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:16px}.section-heading h2{display:flex;align-items:center;gap:14px;font-size:17px;margin:0}.section-heading svg{width:22px;height:22px}.text-button{border:0;background:transparent;color:var(--teal);font:inherit;font-size:12px;cursor:pointer}#empty{text-align:center;padding:24px 0 12px;color:var(--muted)}#empty svg{width:27px;height:27px}#empty p{font-size:13px;margin:12px 0 6px}#empty small{font-size:11px}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;text-align:left;font-size:12px}th{color:var(--muted);font-weight:500}td,th{padding:14px 8px;border-bottom:1px solid #edf0f4}tr:last-child td{border-bottom:0}.notice{text-align:center;color:var(--muted);font-size:11px;margin:22px 0 38px}.explanation{border-top:1px solid var(--line);padding:36px 0;display:grid;grid-template-columns:1fr 1fr;gap:70px}.explanation h2{font-size:25px;letter-spacing:-.6px}.explanation p,dd{font-size:13px;color:var(--muted);line-height:1.7;margin:0}dl{margin:0}dl>div{margin-bottom:18px}dt{font-size:13px;font-weight:650;margin-bottom:6px}footer{border-top:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;min-height:80px;color:var(--muted);font-size:11px}.footer-brand{font-size:17px}.footer-brand svg{width:25px;height:25px}button:focus-visible,a:focus-visible{outline:3px solid #008fa366;outline-offset:5px}[hidden]{display:none!important}@media(max-width:720px){.shell{padding:0 18px}.nav{height:76px}.brand{font-size:21px}nav{gap:16px}nav a{font-size:12px}nav a:last-child{display:none}.intro{padding:24px 0 28px}.intro p{font-size:14px;line-height:1.6}.test-panel{padding:20px 14px}.metrics{grid-template-columns:repeat(4,1fr);gap:24px 0}.start{grid-row:1;grid-column:1/-1}.metric{grid-row:2;gap:8px}.metric strong{font-size:24px;min-height:30px}.metric h2{font-size:12px}.metric svg{width:24px;height:24px}.metric:nth-child(1),.metric:nth-child(4){border:0}.connection{gap:16px}.connection>div{gap:10px}.connection>div+div{padding-left:16px}.connection svg{width:25px}.tag{display:none}.connection span{font-size:11px}.quality{padding:16px 12px}.quality>div{padding:0 8px;flex-direction:column;gap:12px;text-align:center}.quality h2{font-size:12px}.quality p{font-size:10px;line-height:1.5}.quality svg{width:28px;height:28px}.history{padding:20px 16px}.notice{line-height:1.7}.explanation{grid-template-columns:1fr;gap:24px}.eyebrow{font-size:9px}}

/* Updated brand typography and colors. */
:root{--bg:#ffffff;--panel:#ffffff;--ink:#231f1f;--muted:#625c5c;--teal:#e50a15}
body{font-family:Helvetica,arial,sans-serif}
h1{font-weight:700;line-height:48.48px;color:#231f1f}
.start button{background:#e50a15;border-color:#e50a15;color:#ffffff;box-shadow:none}
.start button:hover{background:#c90812;border-color:#c90812}
.brand,.metric strong{font-weight:700}
nav a,.status,.connection span{color:#231f1f}
.text-button{background:#e50a15;color:#ffffff;border-radius:5px;padding:7px 12px}
button:focus-visible,a:focus-visible{outline-color:#e50a1566}
@media(max-width:720px){h1{line-height:1.2}}

.benchmark-note{font-size:13px;line-height:1.6;color:#231f1f;background:#fff5f5;border:1px solid #f3dddd;border-radius:8px;padding:12px 16px;text-align:center;margin:20px 0 8px}