/* Engineering library, sharing the corporate site's type and color system. */
.site-header{grid-template-columns:auto 1fr auto;gap:30px}.desktop-nav{display:flex;justify-content:center}.wordmark img{width:25px;height:26px}
.library-section,.briefs-section{padding-block:100px;border-top:1px solid var(--line)}
.library-heading{display:flex;align-items:end;justify-content:space-between;gap:40px;margin-bottom:48px}.library-heading h2{max-width:850px;font-size:clamp(42px,5vw,68px)}
.library-heading p:not(.section-label){color:var(--ink-soft);max-width:620px;margin-top:24px;line-height:1.7}.library-heading .text-link{flex-shrink:0;margin-bottom:8px}
.resource-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-left:1px solid var(--line)}
.resource-card{display:flex;flex-direction:column;align-items:start;padding:30px;min-height:280px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);transition:background .15s}
.resource-card:hover{background:#fff}.resource-card .section-label{font-size:10px;margin-bottom:28px}.resource-card h3{font:400 27px/1.13 Georgia,serif;letter-spacing:-.025em;margin:0 0 16px}.resource-card p{color:var(--ink-soft);font-size:14px;line-height:1.65;margin-bottom:28px}.resource-card>a:last-child{margin-top:auto;font-size:13px;font-weight:700;min-height:30px;display:flex;align-items:center;gap:12px}.resource-card a:hover{text-decoration:underline;text-underline-offset:5px}
.briefs-section{background:var(--paper-deep)}.brief-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.brief-card{background:var(--paper);border:1px solid var(--line);min-width:0}.brief-preview{display:flex;align-items:center;justify-content:center;background:#e3e2de;height:270px;padding:24px;overflow:hidden}.brief-preview img{width:100%;height:100%;object-fit:contain;filter:drop-shadow(0 8px 8px #0002)}.brief-copy{padding:28px}.brief-copy .section-label{font-size:10px;margin-bottom:16px}.brief-copy h3{font:400 29px/1.1 Georgia,serif;letter-spacing:-.03em;margin-bottom:20px}.brief-copy p,.brief-copy li{font-size:14px;line-height:1.7;color:var(--ink-soft)}.brief-copy ul{list-style:disc;padding-left:19px;margin:18px 0 24px}.brief-copy li+li{margin-top:8px}.brief-copy .brief-note{font-size:12px;margin-top:22px;padding-top:16px;border-top:1px solid var(--line)}.brief-copy a{font-size:13px;font-weight:700;text-decoration:underline;text-underline-offset:4px}.briefs-context{font-size:14px;color:var(--ink-soft);line-height:1.7;max-width:800px;margin-top:30px}
.article-hero{padding-block:42px 64px;border-bottom:1px solid var(--line)}.breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;color:var(--ink-soft);font-size:12px;line-height:1.8;margin-bottom:60px}.breadcrumbs a:hover{text-decoration:underline}.article-hero h1{max-width:1100px;font-size:clamp(46px,5.5vw,82px);line-height:1.03}.article-dek{font-size:clamp(18px,1.7vw,22px);line-height:1.6;color:var(--ink-soft);max-width:900px;margin-top:30px}.article-meta{display:flex;flex-wrap:wrap;gap:12px 25px;font:500 11px/1.6 ui-monospace,monospace;letter-spacing:.025em;color:var(--ink-soft);margin-top:30px}
.article-layout{display:grid;grid-template-columns:240px minmax(0,800px);gap:clamp(36px,6vw,100px);justify-content:space-between;padding-block:65px 100px}.toc{position:sticky;top:30px;align-self:start;max-height:calc(100vh - 60px);overflow:auto;padding-right:12px}.toc>p{font:700 10px/1.4 ui-monospace,monospace;text-transform:uppercase;letter-spacing:.12em;color:var(--purple-dark);margin-bottom:22px}.toc ol{list-style:none;counter-reset:toc;padding:0}.toc li{border-top:1px solid var(--line);padding:11px 0}.toc a{display:block;font-size:12px;line-height:1.5;color:var(--ink-soft)}.toc a:hover{color:var(--purple-dark)}
.article-body{min-width:0;font-size:17px;line-height:1.8}.article-body section{scroll-margin-top:30px;margin-bottom:62px}.article-body h2{font-size:clamp(30px,3vw,42px);line-height:1.12;margin-bottom:26px}.article-body h3{font:400 25px/1.25 Georgia,serif;margin:30px 0 14px}.article-body p{margin:0 0 22px;color:#45474b}.article-body a{text-decoration:underline;text-underline-offset:3px;color:var(--purple-dark);overflow-wrap:anywhere}.article-body ul,.article-body ol{padding-left:24px;margin:0 0 24px;list-style:disc;color:#45474b}.article-body ol{list-style:decimal}.article-body li{padding-left:4px;margin-bottom:10px}.article-body strong{font-weight:650;color:var(--ink)}.article-body code{font-size:.86em;overflow-wrap:anywhere}.article-body pre{background:var(--paper-deep);border:1px solid var(--line);padding:24px;overflow-x:auto;margin:24px 0;font-size:14px;line-height:1.7;white-space:pre-wrap;overflow-wrap:anywhere}.article-body table{width:100%;font-size:14px;line-height:1.6;border-collapse:collapse;text-align:left;margin:24px 0}.article-body th,.article-body td{border-bottom:1px solid var(--line);padding:14px;vertical-align:top;min-width:125px}.article-body th{background:var(--paper-deep);font-weight:650}.table-wrap{max-width:100%;overflow-x:auto}.article-body figure{margin:28px 0;padding:28px;background:var(--paper-deep);border-left:3px solid var(--purple)}.article-body figcaption{font-size:13px;color:var(--ink-soft);margin-top:16px}.article-body blockquote{border-left:3px solid var(--purple);padding:18px 26px;background:var(--paper-deep);margin:24px 0}.article-body .direct-answer{background:#ede9fc;border-left:3px solid var(--purple);padding:26px 30px;margin-bottom:48px}.direct-answer p:last-child{margin-bottom:0}.article-body .faq-item{border-top:1px solid var(--line);padding-top:20px}.article-body .faq-item h3{font-size:23px;margin-top:0}.article-body .sources{font-size:14px}.related-section{border-top:1px solid var(--line);padding-block:80px}.article-cta{background:var(--ink);color:white;padding-block:65px}.article-cta .shell{display:flex;align-items:center;justify-content:space-between;gap:40px}.article-cta h2{font-size:clamp(34px,4vw,52px)}.article-cta p{color:#ffffffad;margin-top:18px;max-width:650px;font-size:16px;line-height:1.7}.article-cta .button{flex-shrink:0}.footer-links{display:flex;gap:24px;flex-wrap:wrap;font-size:13px}.footer-links a:hover{text-decoration:underline}.not-found{padding-block:100px;min-height:60vh}.not-found p{margin:30px 0;color:var(--ink-soft)}
@media(max-width:1050px){.site-header{grid-template-columns:1fr auto;gap:20px;padding-block:18px}.desktop-nav{grid-row:2;grid-column:1/-1;justify-content:flex-start;gap:24px}.resource-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:190px minmax(0,1fr);gap:40px}.brief-grid{gap:18px}.brief-copy{padding:22px}.brief-preview{height:230px}}
@media(max-width:760px){.site-header{grid-template-columns:1fr auto;min-height:106px;padding-block:18px;row-gap:20px}.desktop-nav{display:flex;grid-row:2;grid-column:1/-1;justify-content:flex-start;gap:24px;flex-wrap:wrap;font-size:12px}.header-cta{font-size:11px;width:auto;height:auto;border:0;white-space:nowrap}.wordmark-name{font-size:18px}.library-section,.briefs-section{padding-block:70px}.library-heading{display:block}.library-heading .text-link{margin-top:24px}.brief-grid{grid-template-columns:1fr}.brief-card{display:grid;grid-template-columns:210px minmax(0,1fr)}.brief-preview{height:100%;min-height:260px}.article-layout{grid-template-columns:1fr;gap:40px;padding-block:35px 60px}.toc{position:static;max-height:none;overflow:visible;padding:0}.toc ol{columns:2;column-gap:25px}.toc li{break-inside:avoid}.breadcrumbs{margin-bottom:40px}.article-hero{padding-bottom:45px}.article-body{font-size:16px}.article-body section{margin-bottom:48px}.article-cta .shell{display:block}.article-cta .button{margin-top:30px}.footer-main{align-items:flex-start}.footer-links{gap:18px}.resource-card{min-height:260px;padding:24px}}
@media(max-width:500px){.resource-grid{grid-template-columns:1fr}.resource-card{min-height:235px}.brief-card{display:block}.brief-preview{height:270px;min-height:0}.toc ol{columns:1}.toc li{padding-block:9px}.article-body .direct-answer{padding:22px}.article-body pre{padding:16px}.article-hero h1{font-size:44px}.desktop-nav{gap:20px}.header-cta{gap:5px}.header-cta svg{width:12px}}
@media print{.site-header,.toc,.related-section,.article-cta,.footer,.skip-link{display:none}.article-layout{display:block;padding:20px 0}.article-hero{padding:20px 0}.article-body{font-size:11pt}.article-hero h1{font-size:30pt}.article-body h2{font-size:22pt}.article-body a{color:inherit}.article-body section{break-inside:auto}body{background:white}.shell{width:100%}}

/* Context from the institutional architecture, kept in the reading view. */
.article-meta a,.company-reference a{text-decoration:underline;text-underline-offset:3px}
.briefs-guide{margin-top:18px!important}.briefs-guide a{line-height:1.5}
.article-body .settlement-flow{list-style:none;counter-reset:settlement;padding:0;margin:30px 0;border-top:1px solid var(--line)}
.settlement-flow li{counter-increment:settlement;position:relative;padding:24px 20px 24px 66px;margin:0;border-bottom:1px solid var(--line);background:#eeeeea66}
.settlement-flow li:before{content:counter(settlement,decimal-leading-zero);position:absolute;left:20px;top:27px;color:var(--purple-dark);font:700 12px/1.6 ui-monospace,monospace}
.settlement-flow li>strong{display:block;font:400 25px/1.3 Georgia,serif;margin-bottom:12px}.settlement-flow li p:last-child{margin-bottom:0}
@media(max-width:500px){.settlement-flow li{padding:20px 16px 20px 52px}.settlement-flow li:before{left:16px;top:24px}.settlement-flow li>strong{font-size:23px}}

/* Original engineering study, with directly inspectable evidence. */
.evidence-feature{display:grid;grid-template-columns:minmax(0,2fr) minmax(180px,1fr);gap:65px;padding-block:65px}
.evidence-feature h2{font-size:clamp(34px,4vw,50px);line-height:1.12;max-width:760px}.evidence-feature h2 a:hover{text-decoration:underline;text-underline-offset:5px}
.evidence-feature p:not(.section-label){font-size:16px;line-height:1.75;color:var(--ink-soft);max-width:700px;margin:24px 0}.evidence-feature .text-link{font-size:14px}
.evidence-files{align-self:center;border-left:1px solid var(--line);padding-left:35px}.evidence-files a{display:block;font-size:14px;line-height:1.6;text-decoration:underline;text-underline-offset:4px;margin:14px 0;color:var(--purple-dark)}
@media(max-width:760px){.evidence-feature{grid-template-columns:1fr;gap:32px;padding-block:45px}.evidence-files{padding:25px 0 0;border-left:0;border-top:1px solid var(--line)}}