:root{
  --paper:#F5F6F3;
  --panel:#FFFFFF;
  --ink:#1B2430;
  --muted:#5B6472;
  --rule:#DEDFDA;
  --teal:#1E7F6E;
  --teal-bg:#E7F2EF;
  --rust:#A3402B;
  --rust-bg:#F7E9E5;
  --amber:#B8862B;
  --amber-bg:#F7EFDF;
  --slate:#45577A;
  --slate-bg:#E9ECF3;
}
*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  padding:28px 16px 48px;
}
.wrap{max-width:980px;margin:0 auto;}
.eyebrow{
  font-size:11px;
  letter-spacing:.10em;
  text-transform:uppercase;
  color:var(--muted);
  font-weight:600;
  margin-bottom:6px;
}
h1{
  font-family:Georgia,'Iowan Old Style','Times New Roman',serif;
  font-weight:600;
  font-size:26px;
  line-height:1.25;
  margin:0 0 8px;
  letter-spacing:-0.01em;
}
.sub{
  color:var(--muted);
  font-size:14px;
  line-height:1.5;
  max-width:640px;
  margin:0 0 4px;
}
.badge{
  display:inline-block;
  font-size:11px;
  font-weight:600;
  letter-spacing:.03em;
  color:var(--slate);
  background:var(--slate-bg);
  border:1px solid #d7ddea;
  padding:3px 9px;
  border-radius:100px;
  margin-top:14px;
}

.panel{
  background:var(--panel);
  border:1px solid var(--rule);
  border-radius:10px;
  margin-top:22px;
  overflow:hidden;
}
.panel + .panel{margin-top:18px;}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:16px 18px;
  border-bottom:1px solid var(--rule);
}
.panel-head h2{
  font-family:Georgia,'Iowan Old Style','Times New Roman',serif;
  font-size:16px;
  font-weight:600;
  margin:0;
}

/* chart toggle */
.toggle{display:flex;gap:6px;}
.toggle button{
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  font-size:11.5px;
  letter-spacing:.03em;
  text-transform:uppercase;
  padding:7px 14px;
  border-radius:100px;
  border:1px solid var(--rule);
  background:var(--paper);
  color:var(--muted);
  cursor:pointer;
  font-weight:600;
}
.toggle button.active{background:var(--ink);color:#fff;border-color:var(--ink);}

.chart-body{padding:18px;}
.legend{display:flex;gap:20px;flex-wrap:wrap;margin-bottom:14px;}
.legend .item{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--muted);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;}
.legend .swatch{width:20px;height:0;border-top-width:3px;border-top-style:solid;display:inline-block;}
.chart-caption{font-size:12.5px;color:var(--muted);margin-top:10px;}

/* calculator */
.calc-scope-note{
  margin:0;
  padding:12px 18px 0;
  font-size:12px;
  color:var(--slate);
  background:var(--slate-bg);
  border-bottom:1px solid var(--rule);
  padding-bottom:12px;
}
.calc-body{
  padding:20px 18px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
@media (max-width:680px){ .calc-body{grid-template-columns:1fr;} }
.calc-field{margin-bottom:16px;}
.calc-field label{
  display:block;
  font-size:11px;
  text-transform:uppercase;
  letter-spacing:.05em;
  color:var(--muted);
  margin-bottom:6px;
  font-weight:600;
}
.calc-field input, .calc-field select{
  width:100%;
  padding:9px 11px;
  font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;
  font-size:14px;
  border:1px solid var(--rule);
  border-radius:6px;
  background:var(--paper);
  color:var(--ink);
}
.calc-field input:focus, .calc-field select:focus{outline:2px solid var(--slate);outline-offset:1px;}
.calc-out{background:#FBFBFA;border:1px solid var(--rule);border-radius:8px;padding:16px 18px;}
.calc-out .row{display:flex;justify-content:space-between;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--rule);}
.calc-out .row:last-of-type{border-bottom:none;}
.calc-out .row .k{font-size:11.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;}
.calc-out .row .v{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:15px;font-weight:600;}
.calc-verdict{margin-top:14px;text-align:center;padding:12px;border-radius:6px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-weight:700;letter-spacing:.03em;font-size:14.5px;}
.v-reach{background:var(--teal-bg);color:var(--teal);}
.v-risk{background:var(--amber-bg);color:var(--amber);}
.v-not{background:var(--rust-bg);color:var(--rust);}
.calc-disclosure{font-size:12px;color:var(--muted);margin-top:14px;max-width:640px;}