:root{--paper:#eeeee8;--white:#fafaf6;--ink:#191a18;--muted:#5a5b56;--red:#ab281b;--line:#cbccc4;font-family:Helvetica,Arial,sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;padding-inline:env(safe-area-inset-left) env(safe-area-inset-right)}a{color:inherit;text-decoration-thickness:1px;text-underline-offset:4px}a:hover{color:var(--red)}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:5px}h1,h2,h3,p,li,a{overflow-wrap:anywhere}h1,h2,h3{line-height:1.08;letter-spacing:-.035em}h1{font-size:clamp(2.6rem,5.5vw,5.6rem);font-weight:700;margin:24px 0;max-width:20ch}h2{font-size:clamp(1.6rem,3vw,2.25rem);margin:38px 0 20px}h3{font-size:1.25rem;line-height:1.3}p{line-height:1.7}ul,ol{padding-left:1.4em}li{line-height:1.65;margin:10px 0}.shell{width:min(1320px,calc(100% - 80px));margin:auto}.skip{position:absolute;left:20px;top:-100px;z-index:5;padding:14px;background:var(--ink);color:var(--white)}.skip:focus{top:12px}.header{display:flex;align-items:center;gap:24px;flex-wrap:wrap;min-height:112px;padding-block:18px;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:bold;line-height:1.02;text-decoration:none;letter-spacing:-.045em}.brand svg{width:38px;height:38px;fill:none;stroke:var(--red);stroke-width:2.8}.main-nav{display:flex;align-items:center;gap:24px;margin-left:auto;flex-wrap:wrap}.main-nav a{font-size:14px;min-height:44px;display:inline-flex;align-items:center;text-decoration:none}.main-nav a[aria-current]{color:var(--red)}.languages{display:flex;gap:4px}.languages a{font-size:13px;display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;text-decoration:none;border:1px solid transparent}.languages a[aria-current]{border-color:var(--red);color:var(--red)}.breadcrumbs{margin:28px 0 32px;color:var(--muted);font-size:14px}.breadcrumbs ol{display:flex;gap:9px;flex-wrap:wrap;list-style:none;padding:0}.breadcrumbs li{margin:0}.breadcrumbs li+li::before{content:'/';margin-right:9px;color:var(--muted)}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:13px;line-height:1.5;color:var(--red);font-weight:700}.intro{font-size:1.25rem;max-width:70ch;line-height:1.65}.definition{padding:24px 28px;background:var(--white);border-left:3px solid var(--red);max-width:850px;margin-block:32px}.definition p{margin:8px 0 0;font-size:1.13rem;line-height:1.75}.meta{display:flex;gap:8px 20px;flex-wrap:wrap;font-size:13px;color:var(--muted);margin:24px 0}.meta a{min-height:26px}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,290px);gap:clamp(35px,6vw,100px);align-items:start;margin-top:40px}.article-body{max-width:790px;min-width:0;font-size:1.0625rem;line-height:1.8}.article-body p,.article-body li{line-height:1.8}.article-body a{color:var(--red)}.article-body section{margin-bottom:38px;scroll-margin-top:28px}.article-body section:first-child h2{margin-top:0}.article-body .checklist{background:var(--white);border:1px solid var(--line);padding:14px 24px 14px 40px}.toc{position:sticky;top:24px;padding:24px;border-top:3px solid var(--red);background:var(--white);font-size:14px;max-height:calc(100vh - 50px);overflow:auto;grid-column:2;grid-row:1}.toc summary{cursor:pointer;min-height:36px;line-height:1.5;font-weight:bold}.toc ol{padding-left:20px;margin-bottom:0}.toc a{text-decoration:none;display:inline-block;padding-block:5px}.toc li{margin:3px 0;line-height:1.5}.article-body{grid-column:1;grid-row:1}.faq details{border-top:1px solid var(--line);padding:16px 0}.faq summary{cursor:pointer;font-weight:700;line-height:1.5;min-height:44px;padding-block:8px}.faq details p{margin:12px 0}.sources{padding-top:12px;border-top:1px solid var(--line);font-size:14px}.sources h2{font-size:1.5rem}.sources li{line-height:1.5!important}.sources a{word-break:break-word}.read-next{margin:64px 0 32px;border-top:1px solid var(--line);padding-top:16px}.related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;list-style:none;padding:0}.related-list li{margin:0;min-width:0}.related-list a{display:block;min-height:72px;border-bottom:1px solid var(--red);padding:16px 0;text-decoration:none;font-size:1.05rem;font-weight:700}.next-steps{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;padding:38px 0 56px}.next-steps h2{font-size:2rem;margin-top:0}.next-steps p{max-width:55ch}.contact{border-left:1px solid var(--line);padding-left:40px}.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;background:var(--ink);color:var(--white);font-size:14px;font-weight:700;padding:14px 20px;text-decoration:none;border:1px solid var(--ink)}.button:hover{background:var(--red);color:var(--white);border-color:var(--red)}.button-light{background:transparent;color:var(--ink);border-color:var(--line)}.footer{display:flex;gap:24px;justify-content:space-between;flex-wrap:wrap;padding:26px 0 35px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}.footer-links{display:flex;flex-wrap:wrap;gap:10px 22px}.footer a{display:inline-flex;align-items:center;min-height:44px}.footer p{margin:10px 0}.index-hero{padding:22px 0 28px}.index-hero h1{max-width:20ch}.topics{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;margin:28px 0 48px}.topics a{border-top:2px solid var(--red);padding:18px 0;text-decoration:none;font-size:1rem;line-height:1.4;font-weight:700}.search-panel{display:flex;flex-wrap:wrap;gap:20px;align-items:end;padding:24px;background:var(--white);border:1px solid var(--line);margin:30px 0}.search-panel>div{flex:1 1 270px}.search-panel label{display:block;font-size:14px;font-weight:700;margin-bottom:10px}.search-panel input,.search-panel select{width:100%;min-height:48px;border:1px solid #888b82;border-radius:0;background:var(--white);color:var(--ink);padding:11px 14px;font-size:16px}.result-count{font-size:14px;color:var(--muted);margin-bottom:24px}.term-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 36px;list-style:none;padding:0;margin:0 0 50px}.term-list li{margin:0;min-width:0;border-top:1px solid var(--line);padding:20px 0}.term-list a{font-size:1.25rem;font-weight:700;text-decoration:none;display:inline-block;padding:4px 0;line-height:1.3}.term-list .term-category{font-size:12px;color:var(--red);display:block;text-transform:uppercase;letter-spacing:.03em;margin:0 0 10px}.term-list p{font-size:14px;line-height:1.65;margin:8px 0 0;color:var(--muted)}[hidden]{display:none!important}.editorial{max-width:780px;padding-bottom:60px;font-size:1.0625rem}.editorial p{line-height:1.85}.bottom-nav{padding:30px 0;border-top:1px solid var(--line)}.bottom-nav a{min-height:44px;display:inline-flex;align-items:center;font-weight:bold;font-size:14px}.noscript-search{font-size:14px;color:var(--muted)}
@media(max-width:1000px){.shell{width:calc(100% - 48px)}.article-layout{grid-template-columns:minmax(0,1fr) 225px;gap:36px}.topics{grid-template-columns:repeat(3,minmax(0,1fr))}.term-list{grid-template-columns:repeat(2,minmax(0,1fr))}.related-list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:760px){.article-layout{display:flex;flex-direction:column;gap:30px}.toc{position:static;max-height:none;width:100%;order:0}.article-body{order:1;max-width:none}.next-steps{grid-template-columns:1fr;gap:32px}.contact{border-left:0;border-top:1px solid var(--line);padding:30px 0 0}.header{gap:12px 20px}.main-nav{gap:16px}.languages{margin-left:auto}.intro{font-size:1.125rem}.definition{padding:20px}.related-list{gap:12px 25px}}
@media(max-width:480px){.shell{width:calc(100% - 32px)}.header{min-height:90px}.brand{font-size:16px}.main-nav{gap:12px}.main-nav a{font-size:13px}.languages{width:100%;justify-content:flex-end;margin-top:-5px}.breadcrumbs{font-size:13px;margin:18px 0}.topics{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 22px}.topics a{font-size:14px}.term-list{grid-template-columns:1fr;gap:0}.search-panel{padding:18px;gap:16px}.definition p,.article-body{font-size:1rem}.meta{font-size:12px}.related-list{grid-template-columns:1fr}.read-next{margin-top:36px}.next-steps{padding-top:24px}.footer-links{gap:6px 16px}.toc{padding:20px}h1{font-size:2.6rem}.button{width:100%}.sources li{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{body{background:white;color:black;font:11pt/1.6 Helvetica,Arial,sans-serif}.shell{width:100%;max-width:none}.header,.footer,.search-panel,.toc,.next-steps,.read-next,.bottom-nav{display:none}.article-layout{display:block}.article-body{max-width:none}.definition{background:white;border:1px solid #ccc}.article-body a{color:black}h1{font-size:28pt;max-width:none}h2{font-size:18pt;break-after:avoid}h3{break-after:avoid}.faq details>p{display:block!important}.sources a::after{content:' (' attr(href) ')';font-size:8pt}.meta{font-size:9pt}}

.profile-link{color:inherit;text-decoration:underline;text-decoration-color:currentColor;text-decoration-thickness:1px;text-underline-offset:3px}.profile-link:hover,.profile-link:focus-visible{color:var(--red)}