:root{
  --bg:#FFFFFF; --fg:#0A0A0A; --body:#2A2A28; --muted:#64645F; --line:#EBEBE7; --line-2:#DADAD4; --soft:#F7F7F5;
  --orange:#FF5B14; --orange-ink:#C24100;
  --sans:"Geist","Helvetica Neue",Helvetica,Arial,system-ui,sans-serif;
  --mono:"Geist Mono",ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --max:76rem;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:5.5rem}
body{margin:0;background:var(--bg);color:var(--fg);font-family:var(--sans);font-size:1rem;line-height:1.6;-webkit-font-smoothing:antialiased}
h1,h2,h3,p,ul,ol,dl,dd{margin:0}
h1,h2{text-wrap:balance}
p{text-wrap:pretty}
:focus-visible{outline:2px solid var(--orange);outline-offset:3px;border-radius:6px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}
.sq{display:inline-block;width:.5rem;height:.5rem;background:var(--orange);flex:none}

/* page transitions shared with the main site */
@view-transition{navigation:auto}
::view-transition-old(root){animation:vt-out .22s cubic-bezier(.65,0,.35,1) both}
::view-transition-new(root){animation:vt-in .55s cubic-bezier(.16,1,.3,1) .14s both}
@keyframes vt-out{to{opacity:0;transform:translateY(-14px)}}
@keyframes vt-in{from{opacity:0;transform:translateY(18px)}}

/* the title block settles in on arrival */
.lg-hero > *{animation:lg-rise .9s cubic-bezier(.16,1,.3,1) both}
.lg-hero > :nth-child(2){animation-delay:.06s}
.lg-hero > :nth-child(3){animation-delay:.12s}
.lg-hero > :nth-child(4){animation-delay:.2s}
@keyframes lg-rise{from{opacity:0;transform:translateY(14px)}}

/* header */
.hdr{position:sticky;top:0;z-index:40;view-transition-name:hdr;background:rgba(255,255,255,.86);backdrop-filter:blur(14px) saturate(1.4);-webkit-backdrop-filter:blur(14px) saturate(1.4);border-bottom:1px solid var(--line)}
.hdr-row{display:flex;align-items:center;justify-content:space-between;height:4rem;gap:1.5rem}
.logo{display:inline-flex;padding:.35rem 0}
.logo img{height:1.6rem;width:auto;display:block}
.hdr-nav{display:flex;gap:1.5rem;font-size:.9rem}
.hdr-nav a{color:var(--muted);text-decoration:none;padding:.35rem 0;border-bottom:1px solid transparent;transition:color .15s,border-color .15s}
.hdr-nav a:hover{color:var(--fg)}
.hdr-nav a[aria-current="page"]{color:var(--fg);border-bottom-color:var(--orange)}

/* title */
.lg-hero{padding-block:clamp(4rem,9vw,7rem) clamp(2.5rem,5vw,4rem);border-bottom:1px solid var(--line)}
.kicker{display:inline-flex;align-items:center;gap:.6rem;font-family:var(--mono);font-size:.8rem;color:var(--muted)}
.lg-hero h1{font-size:clamp(2.6rem,6vw,5rem);line-height:1;letter-spacing:-.05em;font-weight:500;margin-top:1.5rem}
.lg-meta{margin-top:1.5rem;font-family:var(--mono);font-size:.78rem;color:var(--muted);display:flex;flex-wrap:wrap;gap:.4rem 1.5rem}
.summary{margin-top:2.5rem;max-width:46rem;border:1px solid var(--line-2);border-radius:1.1rem;padding:1.25rem 1.4rem;background:var(--soft)}
.summary-t{display:flex;align-items:center;gap:.6rem;font-weight:500;font-size:.92rem}
.summary p{color:var(--body);margin-top:.6rem;line-height:1.65}

/* body */
.lg-body{display:grid;grid-template-columns:15rem minmax(0,1fr);gap:clamp(2.5rem,6vw,6rem);padding-block:clamp(3rem,6vw,5rem) clamp(5rem,10vw,8rem)}
.toc{position:sticky;top:6rem;align-self:start;max-height:calc(100vh - 8rem);overflow:auto;scrollbar-width:thin}
.toc summary{list-style:none;font-family:var(--mono);font-size:.76rem;color:var(--muted);cursor:default}
.toc summary::-webkit-details-marker{display:none}
.toc ol{list-style:none;padding:0;margin-top:1rem;display:grid;gap:.05rem}
.toc a{display:grid;grid-template-columns:1.75rem minmax(0,1fr);gap:.25rem;padding:.3rem 0;font-size:.86rem;color:var(--muted);text-decoration:none;line-height:1.35;transition:color .15s}
.toc a span{font-family:var(--mono);font-size:.72rem;padding-top:.1rem}
.toc a:hover,.toc a.on{color:var(--fg)}
.toc a.on span{color:var(--orange-ink)}

.doc{max-width:46rem}
.doc section{padding-top:2.75rem;margin-top:2.75rem;border-top:1px solid var(--line)}
.doc section:first-child{padding-top:0;margin-top:0;border-top:0}
.doc h2{display:flex;gap:.9rem;align-items:baseline;font-size:clamp(1.35rem,2.2vw,1.65rem);font-weight:500;letter-spacing:-.03em;line-height:1.2}
.doc h2 .n{font-family:var(--mono);font-size:.8rem;font-weight:500;color:var(--orange-ink);letter-spacing:0;flex:none;min-width:1.4rem}
.doc h3{font-size:1.02rem;font-weight:500;letter-spacing:-.01em;margin-top:1.9rem}
.doc p,.doc li{color:var(--body);line-height:1.7}
.doc p{margin-top:1rem}
.doc h2 + p{margin-top:1.25rem}
.doc h3 + p,.doc h3 + ul{margin-top:.6rem}
.doc ul{list-style:none;padding:0;margin-top:1rem;display:grid;gap:.6rem}
.doc ul li{display:grid;grid-template-columns:1.15rem minmax(0,1fr)}
.doc ul li::before{content:"";width:.4rem;height:.4rem;background:var(--orange);margin-top:.66em}
.doc b{font-weight:500;color:var(--fg)}
.doc a{color:var(--orange-ink);text-decoration:underline;text-underline-offset:.18em;text-decoration-thickness:1px}
.doc a:hover{color:var(--fg)}
.doc .loud{font-weight:500;color:var(--fg);text-transform:uppercase;font-size:.88rem;letter-spacing:.01em;line-height:1.7}

.defs{margin-top:1.25rem;border-top:1px solid var(--line)}
.defs div{display:grid;grid-template-columns:10.5rem minmax(0,1fr);gap:1.25rem;padding:.95rem 0;border-bottom:1px solid var(--line)}
.defs dt{font-weight:500;line-height:1.5}
.defs dd{color:var(--body);line-height:1.65}

.tbl{margin-top:1.25rem;overflow-x:auto;border:1px solid var(--line-2);border-radius:1rem}
.tbl table{width:100%;min-width:38rem;border-collapse:collapse;font-size:.86rem}
.tbl th{text-align:left;font-family:var(--mono);font-size:.72rem;font-weight:500;color:var(--muted);padding:.8rem 1rem;border-bottom:1px solid var(--line-2);background:var(--soft)}
.tbl td{vertical-align:top;padding:.85rem 1rem;border-bottom:1px solid var(--line);color:var(--body);line-height:1.55}
.tbl tr:last-child td{border-bottom:0}
.tbl td:first-child{font-weight:500;color:var(--fg)}

.contact{margin-top:1.25rem;border-top:1px solid var(--line)}
.contact li{display:flex !important;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding:.85rem 0;border-bottom:1px solid var(--line)}
.contact li::before{display:none}
.contact span{color:var(--muted)}

@media (max-width:960px){
  .lg-body{grid-template-columns:minmax(0,1fr);gap:2.5rem}
  .toc{position:static;max-height:none;border:1px solid var(--line-2);border-radius:1rem;padding:1rem 1.2rem}
  .toc summary{cursor:pointer;display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--fg)}
  .toc summary::after{content:"+";font-size:1rem;color:var(--muted)}
  .toc[open] summary::after{content:"\2212"}
}
@media (max-width:640px){
  .defs div{grid-template-columns:minmax(0,1fr);gap:.3rem}
  .hdr-nav{gap:1.1rem}
}

/* footer */
.ftr{border-top:1px solid var(--line);padding-block:2rem}
.ftr-row{display:flex;justify-content:space-between;align-items:center;gap:1rem 1.5rem;flex-wrap:wrap;color:var(--muted);font-size:.85rem}
.ftr .logo img{height:1.35rem}
.ftr-meta{display:flex;align-items:center;gap:.75rem 1.5rem;flex-wrap:wrap}
.ftr-links{display:flex;align-items:center;gap:.6rem}
.ftr-links a{color:var(--muted);text-decoration:none;transition:color .15s}
.ftr-links a:hover,.ftr-links a[aria-current="page"]{color:var(--fg)}
.ftr-links span{color:var(--line-2)}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition-duration:.01ms !important;animation:none !important}
  ::view-transition-group(*),::view-transition-old(*),::view-transition-new(*){animation:none !important}
}
@media print{
  .hdr,.toc,.ftr{display:none}
  .lg-body{display:block;padding:0}
  .lg-hero{padding-block:0 1.5rem}
  .doc{max-width:none}
  .doc a{color:inherit}
  .doc section{break-inside:auto}
  .doc h2{break-after:avoid}
}