:root{
  color-scheme:dark;
  --black:#050506;
  --panel:rgba(255,255,255,.022);
  --line:rgba(255,255,255,.09);
  --line-2:rgba(255,255,255,.16);
  --white:#F4F5F6;
  --soft:rgba(244,245,246,.62);
  --faint:rgba(244,245,246,.38);
  --mark:#E4B168;
  --sans:"Sora",-apple-system,Segoe UI,Helvetica,Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,Menlo,monospace;
  --pad:clamp(18px,4.5vw,54px);
  --max:1220px;
  --read:78ch;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#050506;color:#F4F5F6;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--black);color:var(--white);font-family:var(--sans);font-weight:300;
  font-size:16px;line-height:1.68;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit}
:focus-visible{outline:1px solid rgba(255,255,255,.7);outline-offset:4px}
.wrap{max-width:var(--max);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad);position:relative}

/* nav */
.nav{position:fixed;top:16px;left:50%;transform:translateX(-50%);z-index:80;
  width:calc(100% - 2*var(--pad));max-width:var(--max)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:rgba(9,9,11,.90);border:1px solid rgba(255,255,255,.16);border-radius:999px;
  padding:9px 9px 9px 20px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:0 10px 34px rgba(0,0,0,.55)}
.mark{display:flex;align-items:center;gap:9px;text-decoration:none;font-size:.92rem;font-weight:400;
  letter-spacing:.01em;white-space:nowrap;color:#fff}
.mark svg{display:block}
.nav-links{display:flex;gap:26px}
.nav-links a{font-size:.84rem;color:rgba(255,255,255,.82);text-decoration:none;transition:color .2s}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:#fff}
@media(max-width:900px){.nav-links{display:none}}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:.82rem;font-weight:400;text-decoration:none;
  padding:10px 20px;border-radius:999px;background:var(--white);color:#0A0A0B;border:1px solid var(--white);
  transition:background .2s,color .2s;white-space:nowrap}
@media(hover:hover){.pill:hover{background:transparent;color:var(--white)}}

/* page head */
.doc-head{padding-top:clamp(132px,15vw,168px);padding-bottom:clamp(30px,4vw,48px);border-bottom:1px solid var(--line)}
.lbl{font-family:var(--mono);font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:var(--faint);margin:0}
.doc-head h1{font-size:clamp(2rem,4.6vw,3.4rem);font-weight:200;letter-spacing:-.03em;line-height:1.06;margin:14px 0 18px}
.doc-head .lede{font-size:clamp(.95rem,1.3vw,1.05rem);color:var(--soft);max-width:60ch;margin:0}
.doc-meta{display:flex;flex-wrap:wrap;gap:10px 30px;margin-top:26px;font-family:var(--mono);
  font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint)}

/* document body */
.doc{display:grid;grid-template-columns:minmax(0,1fr) 250px;gap:clamp(28px,5vw,72px);
  padding-top:clamp(40px,6vw,72px);padding-bottom:clamp(64px,8vw,110px);align-items:start}
.doc-body{max-width:var(--read);min-width:0}
.doc section{padding-top:clamp(28px,3.4vw,44px)}
.doc section:first-child{padding-top:0}
.doc h2{font-size:clamp(1.15rem,1.9vw,1.5rem);font-weight:300;letter-spacing:-.02em;line-height:1.25;
  margin:0 0 14px;scroll-margin-top:120px;display:flex;gap:14px;align-items:baseline}
.doc h2 .n{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;color:var(--faint);
  flex:0 0 auto;padding-top:.15em}
.doc h3{font-size:.98rem;font-weight:400;letter-spacing:-.005em;margin:24px 0 8px;color:var(--white)}
.doc p{margin:0 0 1em;color:var(--soft);font-size:.94rem}
.doc p:last-child{margin-bottom:0}
.doc strong{font-weight:400;color:var(--white)}
.doc a[href^="mailto"],.doc a[href^="http"],.doc a[href^="/"]{color:var(--white);text-decoration:none;
  border-bottom:1px solid var(--line-2)}
.doc a[href^="mailto"]:hover,.doc a[href^="http"]:hover,.doc a[href^="/"]:hover{border-bottom-color:rgba(255,255,255,.6)}
.doc ul,.doc ol{margin:0 0 1em;padding-left:0;list-style:none}
.doc ol{counter-reset:li}
.doc li{position:relative;padding:0 0 0 24px;margin-bottom:9px;color:var(--soft);font-size:.94rem}
.doc ul>li::before{content:"";position:absolute;left:0;top:.72em;width:9px;height:1px;background:rgba(255,255,255,.5)}
.doc ol>li{counter-increment:li}
.doc ol>li::before{content:counter(li) ".";position:absolute;left:0;top:0;font-family:var(--mono);
  font-size:.76rem;color:var(--faint)}
.doc hr{border:0;height:1px;background:var(--line);margin:clamp(28px,3.4vw,44px) 0 0}

/* data blocks */
.fact{border:1px solid var(--line);border-radius:14px;background:var(--panel);padding:clamp(18px,2.2vw,26px);margin:0 0 18px}
.fact dl{margin:0;display:grid;grid-template-columns:minmax(160px,34%) 1fr;gap:0}
.fact dt{font-family:var(--mono);font-size:.64rem;letter-spacing:.13em;text-transform:uppercase;color:var(--faint);
  padding:11px 16px 11px 0;border-top:1px solid var(--line)}
.fact dd{margin:0;padding:11px 0;border-top:1px solid var(--line);font-size:.92rem;color:var(--soft)}
.fact dl>dt:first-child,.fact dl>dt:first-child+dd{border-top:0}
@media(max-width:640px){
  .fact dl{grid-template-columns:1fr}
  .fact dt{padding-bottom:2px;border-top:1px solid var(--line)}
  .fact dd{padding-top:0;border-top:0}
  .fact dl>dt:first-child+dd{border-top:0}
}
.note{border:1px solid var(--line);border-left:2px solid rgba(255,255,255,.3);border-radius:0 12px 12px 0;
  background:rgba(255,255,255,.028);padding:16px 20px;margin:0 0 18px}
.note p{font-size:.88rem;margin:0}

/* placeholder marker */
.ph{font-family:var(--mono);font-size:.86em;color:var(--mark);
  border-bottom:1px dashed rgba(228,177,104,.5);white-space:nowrap}
.ph-key{display:flex;gap:10px;align-items:baseline;font-family:var(--mono);font-size:.68rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--faint);
  border:1px dashed rgba(228,177,104,.35);border-radius:10px;padding:12px 16px;margin-bottom:26px;
  background:rgba(228,177,104,.045)}
.ph-key b{color:var(--mark);font-weight:400;letter-spacing:.1em}

/* side nav */
.toc{position:sticky;top:110px;font-size:.8rem}
.toc p{font-family:var(--mono);font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--faint);margin:0 0 12px}
.toc ol{list-style:none;margin:0;padding:0;counter-reset:t}
.toc li{counter-increment:t;margin:0}
.toc a{display:flex;gap:10px;padding:6px 0;color:var(--soft);text-decoration:none;line-height:1.4;
  border-top:1px solid var(--line);transition:color .2s}
.toc li:first-child a{border-top:0}
.toc a::before{content:counter(t,decimal-leading-zero);font-family:var(--mono);font-size:.62rem;
  color:var(--faint);flex:0 0 auto;padding-top:.25em}
.toc a:hover{color:var(--white)}
@media(max-width:900px){.doc{grid-template-columns:1fr}.toc{display:none}}

/* footer */
footer{border-top:1px solid var(--line);padding-top:34px;padding-bottom:40px;color:var(--faint);font-size:.8rem}
.foot-grid{display:flex;justify-content:space-between;gap:20px 30px;flex-wrap:wrap;margin-bottom:18px;
  font-family:var(--mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase}
.foot-legal{display:flex;gap:20px;flex-wrap:wrap}
.foot-legal a{color:var(--faint);text-decoration:none;transition:color .2s}
.foot-legal a:hover{color:var(--white)}
.foot-note{max-width:78ch;font-size:.74rem;line-height:1.65;margin:0}

@media(prefers-color-scheme:light){
  html,body{background:#050506;color:#F4F5F6}
}
@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}