:root{
  --bg:#fbfaf7; --panel:#ffffff; --ink:#17201d; --muted:#5b6b64; --line:#dde3de;
  --accent:#1f6b4a; --accent-soft:#e8f1ec; --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);
  font:400 17px/1.65 ui-sans-serif,-apple-system,"Segoe UI",Inter,system-ui,sans-serif}
img{max-width:100%;height:auto;display:block;border-radius:10px}
a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}
a:hover{color:#14513a}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
header.site{position:sticky;top:0;z-index:20;background:rgba(251,250,247,.92);
  backdrop-filter:saturate(160%) blur(10px);border-bottom:1px solid var(--line)}
.site-inner{display:flex;align-items:center;gap:28px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;
  letter-spacing:-.02em;text-decoration:none;color:var(--ink);white-space:nowrap}
.brand .mark{width:9px;height:22px;border-radius:3px;background:var(--accent);display:block}
nav.main{display:flex;flex-wrap:nowrap;gap:15px;font-size:13.8px;overflow-x:auto;
  scrollbar-width:none;flex:1 1 auto;justify-content:flex-end;padding-bottom:2px}
nav.main::-webkit-scrollbar{display:none}
nav.main a{color:var(--muted);text-decoration:none;padding:6px 0;border-bottom:2px solid transparent;
  white-space:nowrap}
nav.main a:hover,nav.main a[aria-current="page"]{color:var(--accent);border-bottom-color:var(--accent)}
.hero{padding:64px 0 40px;border-bottom:1px solid var(--line)}
.cta{display:inline-flex;align-items:center;gap:10px;margin-top:26px;background:var(--accent);
  color:#fff;text-decoration:none;font-weight:600;font-size:15.5px;padding:13px 22px;border-radius:999px}
.cta:hover{background:#14513a;color:#fff}
.cta.ghost{background:transparent;color:var(--accent);border:1px solid var(--accent);margin-left:10px}
.cta.ghost:hover{background:var(--accent-soft)}
.hero h1{font-size:clamp(30px,4.6vw,50px);line-height:1.1;letter-spacing:-.03em;margin:0 0 18px;max-width:24ch;text-wrap:balance}
.hero p{color:var(--muted);font-size:19px;max-width:58ch;margin:0}
.banner{width:100%;margin:30px 0 4px;border-radius:16px;border:1px solid var(--line);
  aspect-ratio:3/1.15;object-fit:cover;display:block;background:var(--accent-soft)}
@media(max-width:560px){.banner{margin-top:22px;aspect-ratio:16/10}}
.eyebrow{font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);font-weight:600;margin-bottom:14px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px;margin:36px 0 60px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 22px 20px;
  text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:8px;transition:.15s}
.card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 24px rgba(23,32,29,.07)}
.card h3{margin:0;font-size:17.5px;letter-spacing:-.01em}
.card p{margin:0;color:var(--muted);font-size:15px;line-height:1.55}
.crumbs{font-size:13.5px;color:var(--muted);padding:22px 0 0}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--accent)}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:56px;padding:28px 0 80px;align-items:start}
.layout.noaside{grid-template-columns:minmax(0,1fr);max-width:78ch}
article.doc{font-size:17.5px;line-height:1.72}
article.doc h1{font-size:clamp(27px,3.6vw,38px);line-height:1.15;letter-spacing:-.025em;margin:6px 0 22px}
article.doc h2{font-size:23px;letter-spacing:-.015em;margin:38px 0 12px;padding-top:8px}
article.doc h3{font-size:19px;margin:30px 0 8px;color:#182a22}
article.doc h4{font-size:17px;margin:24px 0 6px}
article.doc p{margin:0 0 17px}
article.doc ul,article.doc ol{margin:0 0 18px;padding-left:22px}
article.doc li{margin-bottom:7px}
article.doc blockquote{margin:24px 0;padding:4px 0 4px 20px;border-left:3px solid var(--accent-soft);color:var(--muted)}
article.doc .meta{font-size:14px;color:var(--muted);margin:0 0 22px;padding-bottom:14px;border-bottom:1px solid var(--line)}
article.doc mark{background:#dff0e4;padding:0 2px;border-radius:3px}
article.doc hr{border:0;border-top:1px solid var(--line);margin:34px 0}
article.doc figure{margin:26px 0}
article.doc img{border:1px solid var(--line)}
aside.toc{position:sticky;top:92px;font-size:14px;border-left:1px solid var(--line);padding-left:20px}
aside.toc h4{margin:0 0 12px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
aside.toc ol{list-style:none;margin:0;padding:0;display:grid;gap:8px}
aside.toc a{color:var(--muted);text-decoration:none}
aside.toc a:hover{color:var(--accent)}
.list{display:grid;gap:12px;margin:28px 0 60px}
.list a.row{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;text-decoration:none;color:inherit}
.list a.row:hover{border-color:var(--accent)}
.list a.row strong{display:block;font-size:16.5px;margin-bottom:4px;letter-spacing:-.01em}
.list a.row span{color:var(--muted);font-size:14.5px}
footer.site{border-top:1px solid var(--line);margin-top:40px;padding:36px 0 48px;background:#f5f4ef}
.foot{display:flex;flex-wrap:wrap;gap:34px;justify-content:space-between;font-size:14px;color:var(--muted)}
.foot h5{margin:0 0 10px;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink)}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.foot a{color:var(--muted);text-decoration:none}
.foot a:hover{color:var(--accent)}
.pager{display:flex;justify-content:space-between;gap:16px;margin-top:48px;padding-top:22px;border-top:1px solid var(--line);font-size:15px}
@media(max-width:900px){
  html,body{overflow-x:hidden}
  .layout{grid-template-columns:1fr;gap:0}aside.toc{display:none}
  .site-inner{flex-wrap:wrap;gap:4px 18px;padding:10px 0;min-width:0}
  nav.main{flex:1 1 100%;min-width:0;overflow-x:auto;justify-content:flex-start;padding-bottom:4px;
    -webkit-mask-image:linear-gradient(to right,#000 88%,transparent 100%);
    mask-image:linear-gradient(to right,#000 88%,transparent 100%)}
  .grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
}
@media(max-width:560px){
  body{font-size:16.5px}.hero{padding:38px 0 26px}
  .hero h1{font-size:29px}
  .cta{display:flex;justify-content:center;width:100%;margin-top:12px}
  .cta.ghost{margin-left:0}
  article.doc{font-size:17px}
}