:root{
  --accent:#15803d;
  --accent-soft:#e5f3e9;
  --ink:#1c1b19;
  --muted:#5b5853;
  --line:#e4dfd6;
  --bg:#faf7f2;
  --card:#ffffff;
  --maxw:44rem;
}
@media (prefers-color-scheme:dark){
  :root{--ink:#ece8e1;--muted:#aaa49b;--line:#33302b;--bg:#161513;--card:#1f1d1a;--accent-soft:#16301f;--accent:#86efac}
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:1.0625rem/1.7 ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:var(--accent);text-underline-offset:.18em}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.skip{position:absolute;left:-999px}
.skip:focus{left:1rem;top:1rem;background:var(--card);padding:.5rem 1rem;z-index:10}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1rem}
header.site{border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;gap:.6rem;min-height:3.5rem}
.brand{font-weight:700;color:var(--ink);text-decoration:none;letter-spacing:-.01em}
.brand::before{content:"";display:inline-block;width:.7rem;height:.7rem;border-radius:50%;background:var(--accent);margin-right:.5rem;vertical-align:.05em}
main{padding:2.5rem 0 3rem}
.kicker{color:var(--accent);font-weight:600;font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;margin:0 0 .5rem}
h1{font-size:clamp(1.9rem,5vw,2.6rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 1rem}
h2{font-size:1.45rem;line-height:1.3;letter-spacing:-.01em;margin:2.6rem 0 .8rem}
h3{font-size:1.1rem;margin:1.6rem 0 .4rem}
.lead{font-size:1.2rem;color:var(--muted);margin:0 0 1.5rem}
.meta{font-size:.875rem;color:var(--muted);margin:0 0 1.5rem}
figure.hero{margin:0 0 2rem}
figure.hero img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--line);background:#faf7f2}
nav.toc{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem 1.25rem;margin:0 0 2rem}
nav.toc p{margin:0 0 .4rem;font-weight:600}
nav.toc ol{margin:0;padding-left:1.2rem}
ul,ol{padding-left:1.3rem}
li{margin:.3rem 0}
.box{background:var(--accent-soft);border-left:4px solid var(--accent);border-radius:8px;padding:1rem 1.25rem;margin:1.5rem 0}
.box p{margin:.3rem 0}
table{width:100%;border-collapse:collapse;margin:1rem 0;font-size:.95rem}
th,td{text-align:left;padding:.55rem .6rem;border-bottom:1px solid var(--line);vertical-align:top}
th{font-weight:600}
.tablewrap{overflow-x:auto}
.cta{background:var(--card);border:2px solid var(--accent);border-radius:14px;padding:1.5rem;margin:2.5rem 0}
.cta h2{margin-top:0}
.cta a.button{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;font-weight:600;padding:.75rem 1.2rem;border-radius:8px;margin-top:.5rem}
@media (prefers-color-scheme:dark){.cta a.button{color:#111}}
details{border-bottom:1px solid var(--line);padding:.8rem 0}
summary{cursor:pointer;font-weight:600}
details p{margin:.6rem 0 0}
footer.site{border-top:1px solid var(--line);padding:1.5rem 0 2.5rem;font-size:.9rem;color:var(--muted)}
footer.site a{color:var(--muted)}
footer.site nav{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.5rem}