:root{--ink:#1C2126;--ink2:#2B3239;--steel:#4A5560;--silver:#C7CCD2;--brass:#B08D57;--brass2:#D4B27A;--paper:#F6F5F2;--card:#FFFFFF;--line:#E3E0DA;--muted:#5E666E;--soft:#EDEBE6;--good:#3F6B4F;--r:12px}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--paper);line-height:1.68;font-size:17px}
h1,h2,h3{font-family:'Barlow Condensed','Arial Narrow',Inter,sans-serif;line-height:1.12;letter-spacing:.01em;color:var(--ink);font-weight:700}
h1{font-size:clamp(36px,5.4vw,56px);margin:0 0 14px;text-transform:uppercase}
h2{font-size:clamp(26px,3.4vw,34px);margin:0 0 12px}
h3{font-size:22px;margin:0 0 6px}
a{color:#7A5B2C}a:hover{color:var(--ink)}
img,svg{max-width:100%}
:focus-visible{outline:3px solid var(--brass);outline-offset:2px;border-radius:4px}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:40}
.top{background:var(--ink);color:#fff;position:sticky;top:0;z-index:20;border-bottom:3px solid var(--brass)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;flex-shrink:0}
.brand b{display:block;font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:23px;letter-spacing:.06em;line-height:1;text-transform:uppercase}
.brand small{display:block;color:var(--brass2);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;margin-top:3px}
.menu{display:flex;gap:2px;flex-wrap:wrap;justify-content:flex-end}
.menu a{color:#DDE1E5;text-decoration:none;font-size:14.5px;padding:6px 10px;border-radius:6px;white-space:nowrap}
.menu a:hover,.menu a[aria-current]{background:rgba(255,255,255,.1);color:#fff}
.navtoggle{display:none;background:none;border:1px solid rgba(255,255,255,.35);color:#fff;border-radius:6px;padding:7px 11px;font:inherit;font-size:14px}
@media(max-width:1080px){.navtoggle{display:block}.menu{display:none;position:absolute;z-index:30;left:0;right:0;top:100%;background:var(--ink);flex-direction:column;padding:8px 16px 16px;border-bottom:3px solid var(--brass)}.menu.open{display:flex}.menu a{padding:11px 8px;font-size:16px}.top .wrap{position:relative}}
@media(max-width:600px){.top{position:relative}}
.hero{background:linear-gradient(115deg,#171B1F 0%,#2B3239 55%,#3A434C 100%);color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;inset:0;background:repeating-linear-gradient(100deg,rgba(255,255,255,.025) 0 2px,transparent 2px 7px);pointer-events:none}
.hero .wrap{position:relative;z-index:1;padding-top:58px;padding-bottom:58px}
.hero h1{color:#fff;max-width:820px}
.hero .lead{font-size:19px;color:#D9DDE1;max-width:700px;margin:0 0 22px}
.eyebrow{display:inline-block;font-size:12.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--brass2);font-weight:700;margin-bottom:10px}
.crumbs{font-size:14px;color:var(--silver);margin-bottom:10px}.crumbs a{color:var(--silver)}
.btn{display:inline-block;background:var(--brass);color:#16120B;text-decoration:none;font-weight:700;padding:12px 20px;border-radius:8px;border:0;font:inherit;font-weight:700;cursor:pointer;line-height:1.3}
.btn:hover{background:var(--brass2);color:#16120B}
.btn.line{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.btn.line:hover{background:rgba(255,255,255,.08);color:#fff}
.btn.dark{background:var(--ink);color:#fff}.btn.dark:hover{background:var(--steel);color:#fff}
.row{display:flex;gap:10px;flex-wrap:wrap}
main section{padding:46px 0}
main section+section{border-top:1px solid var(--line)}
.prose{max-width:760px}
.prose p,.prose li{color:#30373D}
.prose h2{margin-top:6px}
.prose h3{margin-top:26px}
.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media(max-width:860px){.grid3{grid-template-columns:1fr 1fr}}
@media(max-width:620px){.grid2,.grid3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column}
.card p{margin:0 0 12px;color:#3B4248;font-size:16px}
.card a.more{margin-top:auto;font-weight:700;text-decoration:none}
.tag{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--steel);margin-bottom:6px}
.tile{display:block;background:var(--card);border:1px solid var(--line);border-top:4px solid var(--brass);border-radius:var(--r);padding:20px;text-decoration:none;color:var(--ink);transition:transform .15s,box-shadow .15s}
.tile:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.07);color:var(--ink)}
.tile b{display:block;font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:23px;margin-bottom:4px}
.tile span{font-size:15px;color:var(--muted)}
.note{background:var(--soft);border-left:4px solid var(--brass);padding:14px 16px;border-radius:0 10px 10px 0;margin:20px 0}
.warn{background:#FBF3E6;border-left:4px solid #B7791F;padding:14px 16px;border-radius:0 10px 10px 0;margin:20px 0}
.tip{background:#EAF1EC;border-left:4px solid var(--good);padding:14px 16px;border-radius:0 10px 10px 0;margin:20px 0}
.disc{font-size:14px;color:var(--muted);background:var(--card);border:1px dashed var(--line);border-radius:10px;padding:10px 14px;margin:0 0 14px}
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);margin:18px 0;background:var(--card)}
.cmp{width:100%;border-collapse:collapse;font-size:15.5px;min-width:560px}
.cmp th,.cmp td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.cmp th{background:var(--ink);color:#fff;font-weight:600}
.cmp tr:last-child td{border-bottom:0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700}
.faq details p{margin:10px 0 0}
ul.list{padding-left:20px}ul.list li{margin-bottom:7px}
ol.steps{padding-left:22px}ol.steps li{margin-bottom:9px}
.related{display:flex;flex-wrap:wrap;gap:8px}
.related a{background:var(--card);border:1px solid var(--line);padding:8px 14px;border-radius:99px;text-decoration:none;font-size:15px}
.related a:hover{border-color:var(--brass)}
.toc{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 20px;margin:0 0 22px}
.toc b{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--steel)}
.toc ol{margin:8px 0 0;padding-left:20px}
.partner{background:var(--ink);color:#E6E9EC;border-radius:var(--r);padding:22px 24px;margin:24px 0;border-left:6px solid var(--brass)}
.partner h3{color:#fff;margin-bottom:8px}
.partner p{color:#D3D8DD;margin:0 0 14px}
.partner small{display:block;color:#9AA3AB;margin-top:12px;font-size:13px}
.updated{font-size:14px;color:var(--silver);margin-top:-4px}
footer{background:var(--ink);color:#C9CED3;padding:40px 0 28px;font-size:15px;border-top:3px solid var(--brass)}
footer a{color:#E8D3AE;text-decoration:none}footer a:hover{text-decoration:underline;color:#fff}
footer .cols{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:24px}
@media(max-width:760px){footer .cols{grid-template-columns:1fr}}
footer h4{font-family:'Barlow Condensed','Arial Narrow',sans-serif;color:#fff;margin:0 0 10px;font-size:19px;letter-spacing:.05em;text-transform:uppercase}
footer ul{list-style:none;padding:0;margin:0}footer li{margin-bottom:6px}
footer .fine{border-top:1px solid rgba(255,255,255,.12);margin-top:26px;padding-top:16px;font-size:13.5px;color:#9EA6AE}
@media(max-width:440px){.brand small{display:none}.brand b{font-size:21px}.top .wrap{gap:8px}}
main section.hero{padding:0}
.aug{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px 18px;margin:22px 0;text-align:center}
.aug img{display:block;margin:6px auto 8px;border-radius:6px}
.aug small{display:block;color:var(--muted);font-size:13px}
.card .aug{border:0;padding:0;margin:8px 0}
.chart{margin:0 0 18px;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:14px}
.chart figcaption{font-size:13.5px;color:var(--muted);margin-top:6px}
.sources ul{font-size:15px}
.calc{display:grid;grid-template-columns:1.1fr 1fr;gap:20px}
@media(max-width:820px){.calc{grid-template-columns:1fr}}
.calc-in,.calc-out{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.calc label{display:block;font-weight:600;font-size:15px;margin:10px 0}
.calc input[type=number]{display:block;width:100%;margin-top:5px;padding:10px 12px;border:1.5px solid var(--line);border-radius:8px;font:inherit;font-weight:400;background:var(--paper)}
.calc input:focus{border-color:var(--brass);outline:none}
.calc fieldset{border:1px solid var(--line);border-radius:10px;padding:6px 14px 8px;margin:14px 0}
.calc legend{font-weight:700;font-size:14px;color:var(--steel);padding:0 6px}
.calc .chk{display:flex;gap:8px;align-items:center;font-weight:400}
.calc .hint{font-size:13.5px;color:var(--muted);margin:4px 0}
.calc-out{background:var(--ink);color:#E6E9EC;border-color:var(--ink)}
.calc-out h2{color:#fff}
.calc .big{margin:12px 0 16px}
.calc .big span{display:block;font-family:'Barlow Condensed','Arial Narrow',sans-serif;font-size:46px;font-weight:700;color:var(--brass2);line-height:1}
.calc .big small{color:#AEB6BD;font-size:14px}
.calc .mini{width:100%;border-collapse:collapse;font-size:14px;margin:6px 0 12px}
.calc .mini td{padding:7px 4px;border-top:1px solid rgba(255,255,255,.12)}
.calc .mini td:not(:first-child){text-align:right}
.calc-out .hint{color:#AEB6BD}
.card h4{margin:16px 0 4px;font-size:15px}
@media(min-width:1081px){.menu a{padding:6px 8px;font-size:14px}.brand small{font-size:10.5px}}
@media(max-width:1240px){.navtoggle{display:block}.menu{display:none;position:absolute;z-index:30;left:0;right:0;top:100%;background:var(--ink);flex-direction:column;padding:8px 16px 16px;border-bottom:3px solid var(--brass)}.menu.open{display:flex}.menu a{padding:11px 8px;font-size:16px}.top .wrap{position:relative}}