:root{--black:#0A0A0A;--ink:#111;--white:#F7F7F5;--paper:#FFF;--grey-1:#E9E9E6;--grey-2:#C9C9C4;--grey-3:#8A8A85;--grey-4:#4A4A47;
--accent:#274C77;--accent-deep:#1E3B5E;--accent-text:#274C77;--accent-light:#8DB4E2;--accent-ink:#F7F7F5;--accent-soft:#E3EAF3;
--sans:'Archivo','Helvetica Neue',Helvetica,Arial,sans-serif;--mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;--mark:'Libre Caslon Text',Georgia,serif;
--gutter:clamp(18px,3.2vw,44px);color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden;min-height:100vh;display:flex;flex-direction:column}
a{color:inherit}
.wrap{width:100%;max-width:1560px;margin-inline:auto;padding-inline:var(--gutter)}
.skip{position:absolute;left:-9999px;top:8px;background:var(--accent);color:var(--accent-ink);padding:10px 14px;z-index:50;font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase}
.skip:focus{left:8px}
.mono,.lab,.meta,.nav,.foot,.kicker,.crumbs{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase}
header{background:var(--black);color:var(--white)}
.nav{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-block:14px;letter-spacing:.16em}
.nav a{text-decoration:none;display:inline-flex;align-items:center;gap:12px;min-height:44px}
.nav .tt,.foot .tt{font-family:var(--mark);font-weight:700;font-size:20px;letter-spacing:.02em;text-transform:none}
.nav nav{display:flex;align-items:center;gap:22px}
.nav .cta{border:1px solid currentColor;padding:0 14px;transition:background .25s ease,color .25s ease}
.nav .cta:hover{background:var(--white);color:var(--black)}
main{flex:1;padding-block:clamp(48px,7vw,112px) clamp(56px,8vw,128px)}
.grid{display:grid;grid-template-columns:minmax(180px,1fr) 3fr;gap:24px 64px;align-items:start}
.lab{color:var(--accent-text);display:inline-flex;align-items:center;gap:10px}
.side{position:sticky;top:28px;display:grid;gap:18px}
.side .meta{color:var(--grey-3);display:grid;gap:6px;line-height:1.7}
.crumbs{color:var(--grey-3);margin:0 0 18px}
.crumbs a{text-decoration:none}
.crumbs a:hover{color:var(--ink)}
h1{font-family:var(--sans);font-stretch:104%;font-weight:250;letter-spacing:-.018em;line-height:1.06;font-size:clamp(32px,4.6vw,64px);margin:0 0 22px;max-width:20ch;text-wrap:balance}
.dek{font-size:clamp(17px,1.5vw,20px);line-height:1.5;color:var(--grey-4);max-width:56ch;margin:0 0 34px}
.answer{background:var(--accent-soft);border-left:3px solid var(--accent);padding:22px 26px;max-width:68ch;margin:0 0 44px}
.answer .kicker{color:var(--accent-text);margin:0 0 10px}
.answer p{margin:0;font-size:17px;line-height:1.6;color:var(--ink)}
.answer p.kicker{font-size:10.5px;line-height:1.5;color:var(--accent-text);margin:0 0 10px}
.doc{max-width:68ch;color:#2b2b29;font-size:17.5px;line-height:1.72}
.doc h2{font-family:var(--sans);font-stretch:108%;font-weight:700;font-size:clamp(22px,2vw,27px);letter-spacing:-.02em;line-height:1.2;color:var(--ink);margin:52px 0 14px;text-wrap:balance}
.doc h3{font-family:var(--sans);font-weight:650;font-size:19px;letter-spacing:-.01em;color:var(--ink);margin:32px 0 8px}
.doc p{margin:0 0 18px}
.doc ul,.doc ol{margin:0 0 22px;padding-left:1.2em}
.doc li{margin:0 0 8px;padding-left:4px}
.doc li::marker{color:var(--accent)}
.doc a{text-decoration:underline;text-decoration-color:var(--accent-light);text-underline-offset:3px;text-decoration-thickness:1.5px}
.doc a:hover{text-decoration-color:var(--accent)}
.doc strong{color:var(--ink);font-weight:650}
.doc blockquote{margin:28px 0;padding:4px 0 4px 22px;border-left:2px solid var(--ink);font-size:19px;color:var(--ink)}
.doc table{width:100%;border-collapse:collapse;margin:8px 0 28px;font-size:15px;line-height:1.5;display:block;overflow-x:auto}
.doc th{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;font-weight:500;text-align:left;color:var(--grey-4);border-bottom:1px solid var(--ink);padding:10px 14px 10px 0;white-space:nowrap}
.doc td{border-bottom:1px solid var(--grey-1);padding:12px 14px 12px 0;vertical-align:top}
.doc code{font-family:var(--mono);font-size:.86em;background:var(--grey-1);padding:1px 5px}
.faq{max-width:68ch;margin-top:56px;border-top:1px solid var(--ink);padding-top:8px}
.faq h2{font-family:var(--sans);font-stretch:108%;font-weight:700;font-size:clamp(22px,2vw,27px);letter-spacing:-.02em;margin:22px 0 6px}
.faq h3{font-size:18px;font-weight:650;margin:26px 0 6px}
.faq p{margin:0;color:#2b2b29;font-size:17px;line-height:1.65}
.sources{max-width:68ch;margin-top:56px}
.sources .kicker{color:var(--grey-3);margin:0 0 12px}
.sources ol{margin:0;padding-left:1.4em;font-size:14px;line-height:1.6;color:var(--grey-4)}
.sources li{margin:0 0 8px}
.sources a{text-decoration:underline;text-decoration-color:var(--grey-2);text-underline-offset:3px}
.cta-panel{background:var(--black);color:var(--white);margin-top:64px;padding:clamp(28px,4vw,48px);display:grid;grid-template-columns:1.4fr auto;gap:22px 40px;align-items:end;max-width:68ch}
.cta-panel .kicker{color:var(--accent-light);margin:0 0 12px}
.cta-panel p.h{font-stretch:108%;font-weight:300;font-size:clamp(22px,2.4vw,32px);line-height:1.15;letter-spacing:-.015em;margin:0 0 10px}
.cta-panel p.s{margin:0;color:var(--grey-2);font-size:15px;line-height:1.55;max-width:46ch}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 18px;background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;white-space:nowrap;transition:background .25s ease}
.btn:hover{background:var(--accent-deep)}
.related{margin-top:72px;max-width:68ch}
.related .kicker{color:var(--grey-3);margin:0 0 6px}
/* index */
.hcaps{font-family:var(--sans);font-stretch:112%;font-weight:200;text-transform:uppercase;letter-spacing:.02em;line-height:1.02;font-size:clamp(34px,5.4vw,80px);margin:0 0 22px;max-width:16ch}
.hcaps b{font-weight:800;font-stretch:118%;color:var(--accent)}
.list{list-style:none;margin:40px 0 0;padding:0;border-top:1px solid var(--ink)}
.list li{border-bottom:1px solid var(--grey-1)}
.list a{display:grid;grid-template-columns:150px 1fr 28px;gap:8px 32px;padding:26px 0;text-decoration:none;align-items:baseline}
.list .d{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--grey-3)}
.list .t{font-stretch:106%;font-weight:600;font-size:clamp(19px,1.7vw,24px);letter-spacing:-.015em;line-height:1.25;color:var(--ink);display:block;transition:color .2s ease}
.list .x{display:block;color:var(--grey-4);font-size:15.5px;line-height:1.55;margin-top:6px;max-width:70ch}
.list .ar{font-family:var(--mono);color:var(--grey-3);transition:transform .25s ease,color .2s ease}
.list a:hover .t{color:var(--accent)}
.list a:hover .ar{transform:translateX(4px);color:var(--accent)}
.related .list{margin-top:10px}
.related .list a{grid-template-columns:1fr 28px;padding:18px 0}
.related .list .d{display:none}
.empty{color:var(--grey-4)}
footer{background:var(--black);color:var(--grey-3);padding-block:36px}
.foot{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:16px 32px}
.foot .tt{font-size:22px;color:var(--white)}
.foot a{text-decoration:none}
.foot a:hover{color:var(--white)}
.foot .links{display:flex;gap:24px}
a:focus-visible,.btn:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.answer,.doc,.faq,.sources,.cta-panel,.related{max-width:720px}
@media (max-width:900px){.grid{grid-template-columns:1fr;gap:14px}.side{position:static;grid-template-columns:auto 1fr;align-items:baseline;gap:6px 18px}
.side .meta{display:flex;flex-wrap:wrap;gap:4px 16px}.cta-panel{grid-template-columns:1fr}
.list a{grid-template-columns:1fr 20px;gap:6px 16px;padding:22px 0}.list .d{grid-column:1/-1}
.nav nav a:not(.cta){display:none}.nav .cta{padding:0 12px}}
@media (max-width:600px){.answer{padding:18px 18px}}
@media (max-width:420px){.nav .cta{font-size:9.5px;letter-spacing:.1em}.foot .links{gap:18px}}
@media print{header,footer,.cta-panel,.related{display:none}}