/* Duofloors: light, square corners, versus layout: oak amber vs pvc blue, top navigation */
:root{--bg:#fff;--panel:#F2F5F7;--ink:#10202E;--muted:#586977;--line:#D5DDE3;--hout:#A8601A;--hout-soft:#F7EBDD;--pvc:#1B6584;--pvc-soft:#E3EFF5;--w:720px;--wide:1120px}
*{box-sizing:border-box;border-radius:0}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.7 "Hanken Grotesk",system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--pvc);text-decoration-thickness:1px;text-underline-offset:3px}
a:hover{color:var(--hout)}
img{max-width:100%;height:auto}
h1,h2,h3{font-family:"Newsreader",Georgia,serif;line-height:1.18;margin:0;letter-spacing:-.005em}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:8px 12px;z-index:9}.skip:focus{left:0}
.top{border-bottom:1px solid var(--line);background:#fff}
.top-in{max-width:var(--wide);margin:0 auto;padding:14px 20px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.logo{display:flex;align-items:center;gap:12px;color:var(--ink);text-decoration:none;font:700 22px/1 "Newsreader",serif}
.top-about{font-size:15px;color:var(--muted);text-decoration:none}
.cats{border-top:1px solid var(--line);background:var(--panel);overflow-x:auto}
.cats ul{list-style:none;margin:0 auto;padding:0 20px;max-width:var(--wide);display:flex;gap:0;white-space:nowrap}
.cats a{display:block;padding:11px 16px 10px 0;margin-right:16px;color:var(--ink);text-decoration:none;font-size:15px;font-weight:500;border-bottom:3px solid transparent}
.cats a:hover{border-bottom-color:var(--hout)}
.cats a[aria-current]{border-bottom-color:var(--pvc);font-weight:700}
main{min-height:60vh}
.eyebrow{font:700 12.5px/1 "Hanken Grotesk",sans-serif;text-transform:uppercase;letter-spacing:.1em;color:var(--hout);margin:0 0 14px}
.lead{font-size:19px;line-height:1.6;color:var(--muted);margin:14px 0 0;max-width:640px}
.hero{max-width:var(--wide);margin:0 auto;padding:48px 20px 40px;display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(32px,4.6vw,52px);font-weight:700}
.hero-fig{margin:0}.hero-fig img{display:block;width:100%}
.ask{max-width:var(--wide);margin:0 auto;padding:8px 20px 40px}
.ask h2,.list h2{font-size:26px;margin-bottom:18px}
.ask-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.ask-grid li{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
.ask-grid a{display:grid;gap:6px;padding:20px;height:100%;text-decoration:none;color:var(--ink);border-top:5px solid var(--hout)}
.ask-grid .is-pvc a{border-top-color:var(--pvc)}
.ask-grid a:hover{background:var(--panel)}
.ask-n{font:700 13px/1 "Hanken Grotesk";color:var(--muted)}
.ask-t{font:600 21px/1.2 "Newsreader",serif}
.ask-d{font-size:15px;line-height:1.5;color:var(--muted)}
.big{background:var(--hout-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:44px 20px}
.big>*{max-width:var(--w);margin-left:auto;margin-right:auto}
.big h2{font-size:clamp(26px,3.6vw,38px)}.big h2 a{color:var(--ink);text-decoration:none}
.big-tldr{font-size:19px;margin-top:16px}
.btn{display:inline-block;background:var(--pvc);color:#fff;text-decoration:none;font-weight:600;padding:12px 20px}.btn:hover{background:var(--ink);color:#fff}
.list{max-width:var(--wide);margin:0 auto;padding:40px 20px}
.rows{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.rows li{border-bottom:1px solid var(--line)}
.rows a{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:baseline;padding:16px 0;text-decoration:none;color:var(--ink)}
.rows a:hover .t{color:var(--pvc);text-decoration:underline}
.rt{display:grid;gap:4px}.t{font:600 20px/1.3 "Newsreader",serif}.s{font-size:15px;color:var(--muted);line-height:1.5}.m{font-size:14px;color:var(--muted);white-space:nowrap}
.cat-head{max-width:var(--wide);margin:0 auto;padding:36px 20px 8px}
.cat-head h1{font-size:clamp(30px,4.2vw,46px);font-weight:700}
.crumbs{font-size:14px;color:var(--muted);margin-bottom:16px}.crumbs a{color:var(--muted)}
.catnav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px 24px}
.art{max-width:var(--w);margin:0 auto;padding:36px 20px 20px}
.art-head h1{font-size:clamp(28px,4vw,42px);font-weight:700}
.art-meta{display:flex;flex-wrap:wrap;gap:6px 20px;font-size:14px;color:var(--muted);margin:16px 0 0}
.tldr{margin:28px 0;padding:20px 22px;background:var(--pvc-soft);border-left:6px solid var(--pvc)}
.tldr p{margin:0}.tldr-h{font:700 12.5px/1 "Hanken Grotesk";text-transform:uppercase;letter-spacing:.1em;color:var(--pvc);margin-bottom:10px!important}
.prose h2{font-size:28px;margin:44px 0 14px}.prose h3{font-size:22px;margin:30px 0 10px}
.prose p,.prose ul,.prose ol{margin:0 0 18px}.prose li{margin-bottom:6px}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15.5px;display:block;overflow-x:auto}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.prose th{background:var(--hout-soft);font-weight:700}
.prose tbody tr:nth-child(even){background:var(--panel)}
.prose strong{font-weight:700}
.faq{margin-top:44px;border-top:3px solid var(--ink);padding-top:22px}.faq h2{font-size:26px;margin-bottom:12px}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;padding:14px 0;font-weight:600;list-style:none}
.faq summary::before{content:"+";display:inline-block;width:22px;color:var(--hout);font-weight:700}
.faq details[open] summary::before{content:"\2212"}
.faq details p{margin:0 0 16px 22px}
.related{padding-left:0;padding-right:0}
.about h2{font-size:24px;margin:30px 0 10px}
.foot{background:var(--panel);border-top:1px solid var(--line);margin-top:48px}
.foot-in{max-width:var(--wide);margin:0 auto;padding:32px 20px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;font-size:15px}
.foot-h{font:700 12.5px/1 "Hanken Grotesk";text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 12px}
.foot ul{list-style:none;margin:0;padding:0}.foot li{margin-bottom:6px}
.foot-base{max-width:var(--wide);margin:0 auto;padding:0 20px 28px;font-size:14px;color:var(--muted)}
.ask-img{display:block;width:calc(100% + 40px);margin:-20px -20px 8px;max-width:none;aspect-ratio:3/2;object-fit:cover;background:var(--panel)}
.ask-grid a{border-top:0}.ask-grid li{border-top:5px solid var(--hout)}.ask-grid .is-pvc{border-top-color:var(--pvc)}
.art-fig,.cat-fig{margin:24px 0 0}.art-fig img,.cat-fig img{display:block;width:100%;aspect-ratio:3/2;object-fit:cover;background:var(--panel)}
.cat-fig{max-width:var(--w)}
.hero-fig img{aspect-ratio:3/2;object-fit:cover}
@media (max-width:760px){.hero{grid-template-columns:1fr;padding-top:28px}.foot-in{grid-template-columns:1fr}.rows a{grid-template-columns:1fr}.m{display:none}.t{font-size:19px}body{font-size:16.5px}}