:root{--bg:#0d1117;--panel:#161b22;--line:#26303b;--ink:#e6edf3;--muted:#9aa7b3;--accent:#4da3ff;--good:#2ea043;--warn:#d29922;--bad:#f85149}*{box-sizing:border-box}body{background:var(--bg);color:var(--ink);margin:0;font:15px/1.55 -apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}main{max-width:1000px;margin:0 auto;padding:24px 20px 60px}.site-head{border-bottom:1px solid var(--line);align-items:center;gap:24px;max-width:1000px;margin:0 auto;padding:16px 20px;display:flex}.brand{color:var(--ink);font-size:18px;font-weight:700}.site-head nav{gap:18px;margin-left:auto;display:flex}.site-foot{max-width:1000px;color:var(--muted);border-top:1px solid var(--line);margin:0 auto;padding:24px 20px;font-size:13px}h1{margin:0 0 6px;font-size:28px}.lede{color:var(--muted);max-width:70ch;margin:0 0 24px}table{border-collapse:collapse;width:100%;font-size:14px}th,td{text-align:left;border-bottom:1px solid var(--line);padding:10px 12px}th{color:var(--muted);font-weight:600}tbody tr:hover{background:var(--panel)}.num{text-align:right;font-variant-numeric:tabular-nums}.pill{border:1px solid var(--line);border-radius:999px;padding:1px 8px;font-size:12px;display:inline-block}.pill.good{color:var(--good);border-color:var(--good)}.pill.warn{color:var(--warn);border-color:var(--warn)}.pill.bad{color:var(--bad);border-color:var(--bad)}.tier{font-weight:700}.tier.A{color:var(--good)}.tier.B{color:var(--accent)}.tier.C{color:var(--warn)}.card{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin:14px 0;padding:16px 18px}.gap{font-variant-numeric:tabular-nums;font-weight:700}.small{color:var(--muted);font-size:13px}blockquote{border-left:3px solid var(--line);color:var(--muted);margin:8px 0;padding:8px 14px}.prose{max-width:72ch}.prose h2{margin-top:28px}.prose li{margin:4px 0}.chart{margin:18px 0 10px}.chart figcaption,figure.chart>figcaption{color:var(--ink);margin-bottom:10px;font-size:14px}.chart-legend{color:var(--muted);flex-wrap:wrap;gap:16px;margin-bottom:12px;font-size:12px;display:flex}.chart-legend .sw{vertical-align:-1px;border-radius:3px;width:12px;height:12px;margin-right:6px;display:inline-block}.chartrow{grid-template-columns:170px 1fr;align-items:center;gap:12px;margin:7px 0;display:grid}.chartrow .lbl{text-align:right;font-size:13px;line-height:1.2}.chartrow .lbl .n{color:var(--muted);font-variant-numeric:tabular-nums;font-size:11px}.bar{gap:2px;height:26px;display:flex}.bar .seg{font-variant-numeric:tabular-nums;white-space:nowrap;color:#08131f;justify-content:center;align-items:center;font-size:11px;display:flex;overflow:hidden}.bar .seg.challenged,.bar .seg.blocked{color:#eaf2fd}.bar .seg:first-child{border-radius:5px 0 0 5px}.bar .seg:last-child{border-radius:0 5px 5px 0}.bar .seg:only-child{border-radius:5px}.bar .seg.served{background:#86b6ef}.bar .seg.challenged{background:#3987e5}.bar .seg.blocked{background:#1c5cab}@media (max-width:640px){.chartrow{grid-template-columns:104px 1fr}.chartrow .lbl{font-size:12px}}.hero-cta{border:1px solid var(--accent);color:var(--accent);border-radius:8px;margin:4px 0 8px;padding:9px 16px;font-weight:600;display:inline-block}.hero-cta:hover{background:#4da3ff14;text-decoration:none}.section-h{color:var(--muted);text-transform:uppercase;letter-spacing:.04em;border-bottom:1px solid var(--line);margin:34px 0 6px;padding-bottom:6px;font-size:15px}