:root{
  --bg:#fbfaf7; --ink:#15181c; --muted:#5c6672; --line:#e3ded4; --accent:#0f6b4f; --accent-soft:#e8f2ed;
  --mono:ui-monospace,SFMono-Regular,Menlo,monospace;
  --serif:"Iowan Old Style","Palatino Linotype",Palatino,Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16.5px/1.65 var(--sans)}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header.site{display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;padding:18px 26px;
  border-bottom:1px solid var(--line);background:#fff}
.brand{display:flex;align-items:center;gap:9px;font-size:16px;color:var(--ink)}
.brand b{letter-spacing:-.2px}
.mark{width:13px;height:13px;background:var(--accent);transform:rotate(45deg);display:inline-block;
  box-shadow:5px 0 0 -1px #0f6b4f55}
.tagline{color:var(--muted);font-size:13px}
header.site nav{margin-left:auto;display:flex;gap:18px;font-size:14px}
main{max-width:760px;margin:0 auto;padding:40px 24px 72px}
h1{font-family:var(--serif);font-size:38px;line-height:1.14;letter-spacing:-.6px;margin:0 0 12px}
h2{font-family:var(--serif);font-size:23px;margin:38px 0 10px;letter-spacing:-.2px}
h3{font-size:17px;margin:24px 0 6px}
p{margin:0 0 14px}
.lede{font-size:18.5px;color:#333b44;max-width:62ch}
.hero{border-bottom:1px solid var(--line);padding-bottom:26px;margin-bottom:8px}
.hero .chips{font-family:var(--mono);font-size:12px;color:var(--muted);margin:0}
.meta{font-family:var(--mono);font-size:12px;color:var(--muted);margin:0 0 18px}
.meta .ok{color:var(--accent)}
.crumb{font-family:var(--mono);font-size:12px;color:var(--muted);margin-bottom:18px}
article.card{padding:22px 0;border-bottom:1px solid var(--line)}
article.card h2{font-size:21px;margin:0 0 4px}
article.card p{margin:0 0 6px;color:#2c343d}
.tags{margin:6px 0 0}
.chip{display:inline-block;font-family:var(--mono);font-size:11.5px;padding:2px 8px;margin:0 4px 4px 0;
  border:1px solid var(--line);border-radius:20px;color:var(--muted);background:#fff}
.chip:hover{border-color:var(--accent);color:var(--accent);text-decoration:none}
.prose{font-size:17px}
.prose h2{margin-top:34px}
.prose ul,.prose ol{padding-left:22px;margin:0 0 16px}
.prose li{margin:0 0 7px}
.prose code{font-family:var(--mono);font-size:13.5px;background:#f0ece4;padding:1px 5px;border-radius:4px}
.prose table{width:100%;border-collapse:collapse;font-size:14px;margin:18px 0;background:#fff}
.prose th{text-align:left;font-family:var(--mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;
  color:var(--muted);padding:8px 10px;border-bottom:2px solid var(--line)}
.prose td{padding:8px 10px;border-bottom:1px solid #efeae1;vertical-align:top}
.prose a{text-decoration:underline;text-decoration-color:#0f6b4f44}
.faq{margin:10px 0 0}
.faq details{border:1px solid var(--line);border-radius:8px;padding:12px 14px;margin:0 0 8px;background:#fff}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 0;color:#333b44}
.sources{font-size:14px;color:var(--muted);padding-left:18px}
.sources li{margin:0 0 6px}
ul.rel{padding-left:18px}
footer.site{max-width:760px;margin:0 auto;padding:22px 24px 60px;border-top:1px solid var(--line);
  color:var(--muted);font-size:13px}
footer.site .small{font-size:12.5px;color:#6d7883}
@media(max-width:640px){h1{font-size:30px}main{padding:26px 18px 60px}}