@font-face{font-family:Inter;src:url('/assets/fonts/inter-latin.woff2') format('woff2');font-weight:400 700;font-style:normal;font-display:swap}
@font-face{font-family:'Source Serif 4';src:url('/assets/fonts/source-serif-4-latin.woff2') format('woff2');font-weight:500 600;font-style:normal;font-display:swap}

:root{--navy:#17324d;--teal:#1f5e63;--page:#fbfcfa;--ink:#17252a;--muted:#52636b;--soft:#f2f5f3;--border:#d9e0dd;--content:1160px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--page);color:var(--ink);font-family:Inter,Arial,sans-serif;font-size:18px;line-height:1.65}a{color:var(--teal);text-underline-offset:.22em}a:hover{text-decoration-thickness:2px}img{max-width:100%;height:auto}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}:focus-visible{outline:3px solid var(--teal);outline-offset:5px}h1,h2,h3{color:var(--navy);font-family:'Source Serif 4',Georgia,serif;line-height:1.15;font-weight:600}h1{font-size:clamp(2.5rem,5.5vw,4.6rem);letter-spacing:-.035em}h2{font-size:clamp(1.8rem,3vw,2.5rem);letter-spacing:-.02em}h3{font-size:1.5rem}p{margin:0 0 1.25rem}.skip-link{position:absolute;top:-100px;left:16px;background:white;padding:12px;z-index:10}.skip-link:focus{top:12px}.site-header{border-bottom:1px solid var(--border)}.header-inner{max-width:var(--content);margin:auto;display:flex;justify-content:space-between;align-items:center;gap:32px;padding:20px 24px}.brand{display:block;line-height:0}.brand img{width:240px}.site-header nav{display:flex;gap:28px;flex-wrap:wrap}.site-header nav a{font-size:15px;text-decoration:none;color:var(--navy);padding:10px 0}.container{max-width:var(--content);margin:auto;padding:0 24px}.hero{padding:76px 0 64px;border-bottom:1px solid var(--border)}.hero h1{max-width:800px;margin:18px 0 24px}.hero .lead{max-width:650px;color:var(--muted);font-size:21px}.eyebrow{font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.15em;color:var(--teal)}.section{padding:64px 0}.section.soft{background:var(--soft)}.section-heading{max-width:680px;margin-bottom:32px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{padding:28px;border:1px solid var(--border);border-radius:8px;background:var(--page)}.card h3{margin:0 0 16px}.card p{font-size:16px;color:var(--muted);margin:0}.prose{max-width:760px;padding:52px 24px 80px;margin:auto}.prose h1{font-size:clamp(2.4rem,5vw,3.8rem)}.prose h2{margin-top:44px}.notice{border-left:4px solid var(--teal);background:var(--soft);padding:24px;margin:28px 0}.search-form{max-width:650px;margin:32px 0 0}.search-form label{display:block;font-size:15px;font-weight:600;margin-bottom:10px}.search-row{display:flex;gap:8px}input,textarea,select{border:1px solid #7b8b8b;border-radius:4px;background:white;padding:12px;color:var(--ink);max-width:100%;min-width:0}.search-row input{flex:1;width:100%}button,.button{border:0;border-radius:4px;padding:12px 24px;background:var(--teal);color:white;cursor:pointer;text-decoration:none;font-weight:600}button:hover,.button:hover{background:var(--navy)}.site-footer{background:var(--navy);color:#d9e0dd;padding:52px 24px 24px}.footer-inner{max-width:var(--content);margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px}.footer-name{font:600 32px Georgia,serif;color:var(--page);margin-bottom:14px}.site-footer p{font-size:16px}.site-footer h2{font:600 14px Inter,Arial,sans-serif;color:white;margin:0 0 18px}.site-footer nav a{display:block;color:#e7ece9;font-size:14px;padding:5px 0;text-decoration:none}.site-footer nav a:hover{text-decoration:underline}.footer-bottom{max-width:var(--content);margin:36px auto 0;padding-top:22px;border-top:1px solid #52636b;font-size:12px}.breadcrumbs{font-size:14px;color:var(--muted);margin-bottom:24px}.muted{color:var(--muted)}
@media(max-width:760px){.header-inner{gap:14px;flex-wrap:wrap;padding:16px 20px}.brand img{width:205px}.site-header nav{gap:22px}.hero{padding:44px 0}.grid{grid-template-columns:1fr}.section{padding:42px 0}.footer-inner{grid-template-columns:1fr 1fr;gap:28px}.footer-inner>div{grid-column:1/-1}.hero .lead{font-size:18px}.search-row button{padding:12px 16px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media print{.site-header,.site-footer,.search-form{display:none}body{background:white;color:black;font-size:11pt}.prose,.container{max-width:none;padding:0}.hero,.section{padding:12px 0}a{color:inherit}.card,.notice{break-inside:avoid}}

.article-shell{max-width:1060px;padding:44px 24px 80px;margin:auto}.article-main{max-width:760px;margin:auto}.article-main h1{font-size:clamp(2.3rem,5vw,3.8rem);margin:20px 0}.byline,.source-date{font-size:14px;color:var(--muted)}.answer-panel{border:1px solid #99b8b6;border-top:4px solid var(--teal);border-radius:6px;padding:28px;background:#f0f6f3;margin:30px 0}.answer-panel h2{font-size:1.7rem;margin:8px 0 16px}.answer-panel p:last-child,.notice p:last-child{margin-bottom:0}.contents{border-block:1px solid var(--border);padding:20px 0;margin:28px 0}.contents h2{font:600 16px Inter,Arial,sans-serif;margin:0 0 12px}.contents ul{margin:0;padding-left:22px;columns:2;column-gap:36px}.contents li{margin-bottom:8px;break-inside:avoid;font-size:15px}.article-body h2{margin-top:44px}.article-body h3{margin-top:32px}.article-body li{margin:10px 0}.notice h2{font-size:1.45rem;margin:0 0 12px}.notice.caution{border-color:#855d14;background:#fff8e8}.notice.stop,.notice.emergency{border-color:#a62f26;background:#fff2ef}.notice.emergency{margin-top:0}.step-sequence{counter-reset:steps;list-style:none;padding:0}.step-sequence>li{padding:20px 0 20px 54px;position:relative;border-top:1px solid var(--border)}.step-sequence>li:before{counter-increment:steps;content:counter(steps);position:absolute;left:0;top:20px;width:32px;height:32px;border-radius:50%;background:var(--teal);color:white;text-align:center;font-weight:600}.table-scroll{overflow-x:auto;border:1px solid var(--border);border-radius:6px;margin:24px 0}.table-scroll:focus-visible{outline-offset:3px}table{border-collapse:collapse;width:100%;font-size:16px}th,td{text-align:left;vertical-align:top;border-bottom:1px solid var(--border);padding:14px}th{background:var(--soft);font-weight:600}caption{text-align:left;padding:14px;font-weight:600}figure{margin:28px 0}figure img{display:block;border-radius:5px}figcaption{font-size:14px;color:var(--muted);margin-top:10px}.sources{border-top:1px solid var(--border);margin-top:40px}.sources li{margin:14px 0;font-size:16px}.source-date{display:block}.correction-link{font-size:15px;padding:18px 0;border-block:1px solid var(--border)}.correction-link p{margin:0}.related-list{list-style:none;padding:0}.related-list li{padding:20px 0;border-bottom:1px solid var(--border)}.related-list a{font-weight:600}.related-list p{font-size:16px;color:var(--muted);margin:8px 0 0}.pagination{display:flex;gap:12px;flex-wrap:wrap;margin-top:32px}.pagination a,.pagination span{padding:10px 14px;border:1px solid var(--border);border-radius:4px}.pagination [aria-current]{background:var(--teal);color:white}.card h2{font-size:1.5rem;margin:0 0 16px}.form-field{margin:0 0 22px}.form-field label{font-size:15px;display:block;font-weight:600;margin-bottom:6px}.form-field input,.form-field textarea,.form-field select{width:100%}.form-field textarea{min-height:180px;resize:vertical}.help{font-size:14px;color:var(--muted);margin:6px 0}.field-error{font-size:14px;color:#922820;margin:6px 0}.error-summary{border:2px solid #a62f26;padding:20px;border-radius:5px;margin:24px 0}.hp-field{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.search-results{padding:0;list-style:none}.search-results li{padding:24px 0;border-bottom:1px solid var(--border)}.search-results h2{font-size:1.6rem;margin:0 0 12px}.search-results p{margin:0}.search-results mark{background:#e2f0de;color:inherit}.article-body a,.prose a{overflow-wrap:anywhere}
.mobile-menu{display:none}.hero h1{font-size:clamp(2.5rem,4.5vw,3.8rem)}.hero .muted{max-width:650px}.header-inner .desktop-nav{justify-content:flex-end;gap:18px}.footer-inner .footer-name{font-size:28px}
@media(max-width:1100px){.header-inner .desktop-nav{display:none}.mobile-menu{display:block;position:relative}.mobile-menu summary{cursor:pointer;padding:10px 14px;border:1px solid var(--border);border-radius:4px;font-size:15px;color:var(--navy);min-height:44px}.mobile-menu[open] summary{background:var(--soft)}.site-header .mobile-menu nav{position:absolute;right:0;top:54px;z-index:5;background:var(--page);padding:14px 22px;box-shadow:0 8px 24px #17324d1a;border:1px solid var(--border);border-radius:6px;display:flex;flex-direction:column;gap:0;width:260px;max-width:calc(100vw - 40px)}.site-header .mobile-menu nav a{padding:11px 0}.header-inner{flex-wrap:nowrap}.brand img{width:205px}}
@media(max-width:560px){.contents ul{columns:1}.answer-panel{padding:20px}.article-shell{padding-top:28px}.article-main .breadcrumbs{font-size:12px}.table-scroll table{min-width:480px}.header-inner{gap:8px}.brand{flex-shrink:1}.mobile-menu{flex-shrink:0}}

.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:48px}.hero-copy h1{font-size:clamp(2.5rem,3.8vw,3.7rem);line-height:1.07;margin-top:18px}.hero-copy .lead{font-size:19px}.hero-copy .muted{font-size:15px}.hero-art{margin:0;min-width:0}.hero-art img{display:block;width:100%;height:auto;border-radius:12px}.hero-art figcaption{margin-top:16px;font-size:15px;color:var(--navy)}.hero-art figcaption span{display:block;font-size:11px;color:var(--muted);margin-top:4px}.topic-icon{display:block;margin-bottom:24px}.topic-card{padding:28px;transition:border-color .15s ease}.topic-card:hover{border-color:#8aa7a2}.standards-card{background:var(--teal);display:flex;flex-direction:column;justify-content:center}.standards-card h3,.standards-card p,.standards-card a,.standards-card .eyebrow{color:var(--page)}.standards-card .eyebrow{margin-bottom:18px}.article-card{padding:0;overflow:hidden;display:flex;flex-direction:column}.article-card-link{display:block;text-decoration:none}.article-card-link h2,.article-card-link h3{padding:24px 24px 0;margin:0;color:var(--navy)}.article-card-link:hover h2,.article-card-link:hover h3{text-decoration:underline;text-underline-offset:.15em}.article-card>p{padding:14px 24px 24px}.article-card-media{position:relative;background:var(--soft);aspect-ratio:3/2}.article-card-media img{display:block;width:100%;height:100%;object-fit:contain}.article-card .image-label{position:absolute;left:10px;bottom:10px;background:var(--page);color:var(--muted);padding:3px 8px;font-size:11px;border:1px solid var(--border);border-radius:3px}.article-card-link:focus-visible{outline-offset:-4px;outline-width:4px}
@media(max-width:760px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero-copy h1{font-size:clamp(2.4rem,8vw,3.4rem);max-width:580px}.hero-art{max-width:560px;width:100%}.hero-art figcaption{margin-top:10px}.topic-card{display:grid;grid-template-columns:56px 1fr;gap:0 18px}.topic-icon{grid-row:1/3;width:56px;height:56px;margin:0}.topic-card h3{font-size:1.35rem}.topic-card p{grid-column:2}.standards-card{display:block}.standards-card p{margin-top:12px}.article-card{max-width:560px}.hero{padding:40px 0}}
@media(prefers-reduced-motion:reduce){.topic-card{transition:none}}