:root{color-scheme:light;--paper:#f5f3ed;--surface:#fff;--ink:#192b35;--muted:#53636a;--line:#c8cecd;--accent:#9a3b17;--tint:#eee8dc;--night:#192b35;--width:1200px;--reading:70ch}*{box-sizing:border-box}html{scroll-padding-top:1rem}body{margin:0;background:var(--paper);color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:17px;line-height:1.65;overflow-wrap:anywhere}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:.2em}a:hover{color:var(--accent)}a:focus-visible{outline:3px solid var(--accent);outline-offset:5px}img{display:block;max-width:100%;height:auto}figure{margin:0}h1,h2,h3,h4,p,ul,ol,dl,blockquote{margin-top:0}h1,h2,h3,h4{line-height:1.15;text-wrap:balance}h1{font-size:clamp(2.1rem,5vw,4.6rem);letter-spacing:-.045em;font-weight:800;margin-bottom:1.1rem}h2{font-size:clamp(1.55rem,2.8vw,2.4rem);letter-spacing:-.025em}h3{font-size:1.25rem;letter-spacing:-.01em}p{margin-bottom:1.2rem}ul,ol{padding-left:1.35rem}.wrap{width:min(var(--width),calc(100% - 3rem));margin-inline:auto}.skip-link{position:absolute;top:.7rem;left:1rem;z-index:5;padding:.65rem 1rem;background:var(--surface);color:var(--ink);transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}.site-header{border-top:6px solid var(--accent);background:var(--paper)}.masthead{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding-block:1.7rem}.brand{font-size:clamp(1.6rem,3.5vw,2.5rem);font-weight:800;letter-spacing:-.055em;text-decoration:none;line-height:1.1}.site-subject{margin:0;font-size:.8rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.navigation-band{background:var(--night);color:#fff}.site-nav ul{display:flex;flex-wrap:wrap;list-style:none;gap:0;margin:0;padding:0}.site-nav li{min-width:0}.site-nav a{display:block;min-height:48px;padding:.75rem 1rem;text-decoration:none;font-size:.9rem;font-weight:700;border-bottom:3px solid transparent}.site-nav a:hover{color:#fff;background:#304550}.site-nav a[aria-current]{border-bottom-color:#ffc29e;background:#304550}.site-nav a:focus-visible{outline-color:#ffc29e;outline-offset:-4px}main{padding-block:2.5rem 4rem;min-height:55vh}.section{margin-top:3.5rem}.section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:1.2rem;border-top:2px solid var(--ink);padding-top:1rem;margin-bottom:1.5rem}.section-heading h2{margin:0}.section-heading a{flex-shrink:0;font-size:.9rem}.eyebrow,.topic-label{font-size:.75rem;line-height:1.4;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--accent)}.eyebrow{margin-bottom:.7rem}.home-intro{display:grid;grid-template-columns:minmax(0,2fr) minmax(220px,1fr);gap:3rem;padding-block:1.2rem 2.4rem;border-bottom:1px solid var(--line)}.home-intro h1{max-width:17ch;margin:0}.home-intro .lead{align-self:end;border-left:3px solid var(--accent);padding-left:1.25rem;margin:0}.lead,.dek{font-size:clamp(1.1rem,1.8vw,1.3rem);line-height:1.6;color:var(--muted);max-width:60ch}.topic-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:1px;border:1px solid var(--line);background:var(--line)}.topic-card{min-width:0;background:var(--surface);padding:1.25rem;display:flex;flex-direction:column;gap:.7rem}.topic-card .topic-index{font:700 .8rem/1.4 ui-monospace,monospace;color:var(--accent)}.topic-card h3{margin:0;font-size:1.05rem;line-height:1.3}.topic-card h3 a{text-decoration:none}.topic-card h3 a:hover{text-decoration:underline}.topic-card p{font-size:.9rem;line-height:1.5;color:var(--muted);margin:0}.featured-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem}.feature-card{background:var(--surface);border-bottom:3px solid var(--ink);min-width:0}.feature-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--tint)}.card-body{padding:1.25rem}.card-body h3{font-size:1.45rem;margin:.7rem 0}.card-body h3 a{text-decoration:none}.card-body h3 a:hover{text-decoration:underline}.card-body p{font-size:.95rem;color:var(--muted);margin-bottom:0}.home-columns{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:3rem}.reading-panel{align-self:start;background:var(--tint);border-top:3px solid var(--accent);padding:1.5rem}.reading-panel h2{font-size:1.45rem}.reading-panel ul{list-style:none;padding:0;margin:0}.reading-panel li+li{border-top:1px solid var(--line);margin-top:.8rem;padding-top:.8rem}.article-list{list-style:none;margin:0;padding:0}.article-list>li{border-bottom:1px solid var(--line)}.article-row{display:grid;grid-template-columns:150px minmax(0,1fr);gap:1.4rem;padding:1.4rem 0;align-items:start}.article-row img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--tint)}.article-row h2,.article-row h3{font-size:1.4rem;margin:.4rem 0 .65rem}.article-row h2 a,.article-row h3 a{text-decoration:none}.article-row h2 a:hover,.article-row h3 a:hover{text-decoration:underline}.article-row p{font-size:.95rem;color:var(--muted);margin-bottom:.6rem}.meta{display:flex;flex-wrap:wrap;gap:.35rem 1rem;font-size:.8rem;color:var(--muted);line-height:1.5}.meta time{font-variant-numeric:tabular-nums}.breadcrumbs{display:flex;flex-wrap:wrap;gap:.35rem .7rem;list-style:none;padding:0;margin:0 0 2rem;font-size:.8rem;color:var(--muted)}.breadcrumbs li{display:flex;align-items:baseline;gap:.7rem}.breadcrumbs li+li:before{content:'/';color:var(--muted)}.article-header{max-width:960px;margin-bottom:2rem}.article-header h1{font-size:clamp(2rem,4.2vw,3.9rem);max-width:24ch}.article-header .meta{padding-top:1rem;border-top:1px solid var(--line)}.article-hero{margin-bottom:2.5rem}.article-hero img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--tint)}figcaption{font-size:.8rem;line-height:1.5;color:var(--muted);padding-top:.65rem;max-width:85ch}.article-layout{display:grid;grid-template-columns:220px minmax(0,1fr);gap:3rem;align-items:start}.toc{border-top:3px solid var(--accent);padding-top:1rem;font-size:.9rem}.toc h2{font-size:1rem;letter-spacing:0}.toc ol{padding-left:1.1rem}.toc li+li{margin-top:.65rem}.article-body{min-width:0;max-width:var(--reading);font-family:Georgia,'Times New Roman',serif;font-size:1.15rem;line-height:1.8}.article-body h2,.article-body h3,.article-body h4{font-family:Arial,Helvetica,sans-serif;scroll-margin-top:1.5rem}.article-body h2{font-size:1.8rem;margin-top:2.5rem;margin-bottom:1rem;padding-top:1rem;border-top:1px solid var(--line)}.article-body h3{font-size:1.3rem;margin-top:1.9rem}.article-body p{margin-bottom:1.25rem}.article-body li+li{margin-top:.55rem}.article-body a{color:var(--accent)}.article-body figure{margin-block:2rem}.article-body figure img{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--tint)}.article-body figcaption{font-family:Arial,Helvetica,sans-serif}.article-body blockquote{margin-inline:0;border-left:3px solid var(--accent);padding:.5rem 0 .5rem 1.2rem;color:var(--muted)}.article-body code{font-family:ui-monospace,monospace;font-size:.85em;overflow-wrap:anywhere}.quick-answer,.checklist,.limits{font-family:Arial,Helvetica,sans-serif;background:var(--tint);padding:1.4rem;margin-block:1.8rem;border-left:3px solid var(--accent);font-size:1rem;line-height:1.65}.quick-answer h2,.checklist h2,.limits h2{border:0;padding:0;margin:0 0 .8rem;font-size:1.25rem}.quick-answer>:last-child,.checklist>:last-child,.limits>:last-child{margin-bottom:0}.spec-table-wrap{max-width:100%;overflow-x:auto;margin-block:1.8rem;border:1px solid var(--line)}.spec-table-wrap:focus-visible{outline:3px solid var(--accent);outline-offset:3px}table{border-collapse:collapse;width:100%;font-family:Arial,Helvetica,sans-serif;font-size:.9rem;line-height:1.5;background:var(--surface)}caption{text-align:left;padding:1rem;font-weight:700}th,td{text-align:left;vertical-align:top;padding:.85rem;border-bottom:1px solid var(--line);min-width:7rem}th{background:var(--tint)}tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}.sources{font-family:Arial,Helvetica,sans-serif;font-size:.9rem;line-height:1.6;margin-top:2.5rem;padding-top:1rem;border-top:1px solid var(--line)}.sources h2{border:0;padding:0;margin-top:0;font-size:1.2rem}.related{margin-top:3rem;border-top:2px solid var(--ink);padding-top:1.2rem}.related h2{font-size:1.6rem}.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;list-style:none;margin:0;padding:0}.related-grid li{border-left:2px solid var(--line);padding-left:1rem}.related-grid h3{font-size:1.1rem;line-height:1.35;margin:.6rem 0}.related-grid p{font-size:.85rem;color:var(--muted);margin:0}.listing-header{max-width:850px;padding-bottom:1.5rem}.listing-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(240px,1fr);gap:3rem}.listing-results{min-width:0}.listing-results .article-row{grid-template-columns:180px minmax(0,1fr)}.pagination{display:flex;flex-wrap:wrap;align-items:center;gap:.4rem;list-style:none;padding:0;margin:2rem 0 0}.pagination a,.pagination span{display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:.45rem .7rem;border:1px solid var(--line);font:700 .9rem/1.4 Arial,Helvetica,sans-serif;text-decoration:none}.pagination [aria-current='page']{background:var(--ink);color:#fff;border-color:var(--ink)}.pagination .ellipsis{border-color:transparent;min-width:24px;padding-inline:0}.site-footer{border-top:1px solid var(--line);font-size:.85rem;color:var(--muted)}.footer-inner{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;padding-block:1.7rem}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}@media(min-width:1000px){.feature-card:first-child{grid-column:span 2;grid-row:span 2}.feature-card:first-child .card-body{padding:1.7rem}.feature-card:first-child h3{font-size:2rem}.feature-card:not(:first-child){display:grid;grid-template-columns:110px minmax(0,1fr);align-items:start}.feature-card:not(:first-child) img{margin-top:1.25rem}.feature-card:not(:first-child) h3{font-size:1.15rem}.feature-card:not(:first-child) .card-body{padding:1.1rem}.feature-card:not(:first-child) .card-body p{font-size:.85rem}}@media(max-width:999px){.topic-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.feature-card:first-child{grid-column:1/-1}.home-intro{gap:1.5rem}.home-columns,.listing-layout{grid-template-columns:minmax(0,1fr) 230px;gap:1.5rem}.article-layout{grid-template-columns:180px minmax(0,1fr);gap:1.5rem}.listing-results .article-row{grid-template-columns:120px minmax(0,1fr)}}@media(max-width:700px){.wrap{width:calc(100% - 2rem)}.masthead{display:block;padding-block:1.25rem}.site-subject{margin-top:.7rem;font-size:.7rem}.site-nav ul{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.site-nav a{font-size:.83rem;padding:.7rem .6rem;min-height:48px;display:flex;align-items:center;height:100%}main{padding-block:1.5rem 2.5rem}.home-intro,.home-columns,.listing-layout,.article-layout{grid-template-columns:1fr}.home-intro{padding-top:.5rem}.home-intro h1{max-width:100%}.home-intro .lead{margin-top:.5rem}.section{margin-top:2.5rem}.section-heading{align-items:start;flex-direction:column;gap:.6rem}.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.topic-card{padding:1rem}.featured-grid{gap:1rem}.card-body{padding:1rem}.card-body h3{font-size:1.2rem}.article-row,.listing-results .article-row{grid-template-columns:100px minmax(0,1fr);gap:1rem}.article-row h2,.article-row h3{font-size:1.15rem}.article-layout{gap:1.5rem}.toc{padding:1rem;background:var(--tint)}.toc ol{columns:1;margin-bottom:0}.article-header{margin-bottom:1.5rem}.article-hero{margin-bottom:1.5rem}.article-body{font-size:1.08rem}.article-body h2{font-size:1.55rem}.related-grid{grid-template-columns:1fr;gap:1.1rem}.reading-panel{margin-top:1rem}.breadcrumbs{margin-bottom:1.4rem}.pagination{gap:.3rem}}@media(max-width:400px){.featured-grid{grid-template-columns:1fr}.article-row,.listing-results .article-row{grid-template-columns:1fr}.article-row img{max-width:220px}.topic-card h3{font-size:.95rem}.pagination a,.pagination span{padding-inline:.5rem}.brand{font-size:1.65rem}}@media print{body{background:#fff;color:#000;font-size:11pt}.wrap{width:100%}.site-nav,.skip-link,.toc,.pagination,.site-footer,.related{display:none}.masthead{padding:.5rem 0}.article-layout{display:block}.article-body{max-width:none;font-size:11pt}.article-header h1{font-size:26pt}a{color:inherit}.article-hero{max-width:65%}figure,table,.checklist{break-inside:avoid}}