:root{
  --ink:#14161a;
  --muted:#5c6470;
  --line:#e3e6ea;
  --accent:#0f5c4a;
  --wash:#f5f7f6;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:#fff;
  font-size:17px;
  line-height:1.6;
}
.wrap{max-width:760px;margin:0 auto;padding:0 22px}
header.site{border-bottom:1px solid var(--line);background:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-weight:700;letter-spacing:-.02em;font-size:18px}
.brand span{color:var(--accent)}
nav.site a{color:var(--muted);text-decoration:none;font-size:14px;margin-left:20px}
nav.site a:hover{color:var(--ink)}
h1{font-family:Georgia,"Times New Roman",serif;font-size:38px;line-height:1.15;letter-spacing:-.02em;margin:34px 0 12px}
h2{font-family:Georgia,serif;font-size:25px;line-height:1.25;margin:38px 0 10px;letter-spacing:-.01em}
h3{font-size:18px;margin:26px 0 6px}
p{margin:0 0 16px}
a{color:var(--accent)}
.byline{font-size:13px;color:var(--muted);border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:26px}
.byline b{color:var(--ink);font-weight:600}
.answer{
  background:var(--wash);
  border-left:4px solid var(--accent);
  padding:18px 20px;
  margin:0 0 26px;
  border-radius:0 6px 6px 0;
}
.answer .label{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);margin-bottom:6px}
.answer p{margin:0;font-size:17px}
table{width:100%;border-collapse:collapse;margin:18px 0 10px;font-size:15px}
th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
th{background:var(--wash);font-size:12px;text-transform:uppercase;letter-spacing:.06em;color:var(--muted);font-weight:600}
td.num{font-variant-numeric:tabular-nums;white-space:nowrap}
.caption{font-size:13px;color:var(--muted);margin:0 0 26px}
.stat{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;margin:26px 0}
.stat .big{font-family:Georgia,serif;font-size:30px;line-height:1.1;color:var(--accent)}
.stat .note{font-size:14px;color:var(--muted)}
.card{display:block;border:1px solid var(--line);border-radius:8px;padding:18px 20px;margin-bottom:14px;text-decoration:none;color:inherit}
.card:hover{border-color:#c9d0d8;background:#fcfcfd}
.card .kicker{font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:4px}
.card h3{margin:0 0 6px}
.card p{margin:0;font-size:15px;color:var(--muted)}
details{border-bottom:1px solid var(--line);padding:14px 0}
summary{cursor:pointer;font-weight:600;font-size:16px}
details p{margin:10px 0 0;color:#333}
footer.site{border-top:1px solid var(--line);margin-top:50px;padding:24px 0 40px;font-size:13px;color:var(--muted)}
.toc{font-size:15px;background:var(--wash);border-radius:8px;padding:14px 18px;margin:0 0 26px}
.toc b{display:block;font-size:12px;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:6px}
.toc a{display:block;text-decoration:none;padding:2px 0}
/* --- v2 additions --- */
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.grid{grid-template-columns:1fr}}
.calc{border:1px solid var(--line);border-radius:10px;padding:20px;margin:22px 0;background:#fff}
.calc label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:12px 0 4px;text-transform:uppercase;letter-spacing:.06em}
.calc input[type=number],.calc select{width:100%;padding:10px 12px;font-size:16px;border:1px solid #cfd6dd;border-radius:6px;font-variant-numeric:tabular-nums}
.calc .presets{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 6px}
.calc .presets button{font:inherit;font-size:13px;padding:7px 12px;border:1px solid #cfd6dd;background:#fff;border-radius:999px;cursor:pointer;color:var(--ink)}
.calc .presets button:hover{border-color:var(--accent);color:var(--accent)}
.calc .presets button.on{background:var(--accent);color:#fff;border-color:var(--accent)}
.calc .out{margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.calc .out .big{font-family:Georgia,serif;font-size:32px;line-height:1.1;color:var(--accent);font-variant-numeric:tabular-nums}
.calc .out .sub{font-size:14px;color:var(--muted)}
.calc .out .row{display:flex;justify-content:space-between;font-size:15px;padding:5px 0;border-bottom:1px dotted var(--line)}
.legal h2{font-size:20px}
.legal h3{font-size:16px;margin-top:20px}
.legal p,.legal li{font-size:16px}
.ph{background:#fff3cd;padding:1px 5px;border-radius:3px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}
.warn{background:#fff8e6;border-left:4px solid #c98a00;padding:14px 18px;border-radius:0 6px 6px 0;font-size:15px;margin:0 0 24px}
.warn b{color:#8a5f00}
footer.site a{color:var(--muted);margin-right:14px}
.skip{position:absolute;left:-9999px}