/* CSR Delivery Atlas: a ruled engineering fieldbook. */
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@media(max-width:650px){:root{--gutter:22px}.site-header{height:auto;min-height:106px;flex-wrap:wrap;gap:0;padding-top:16px;padding-bottom:0}.wordmark{font-size:1.85rem;gap:10px}.brand-symbol{width:24px;height:20px}.header-descriptor{display:block;border:0;padding:0;margin-left:auto;font-size:.75rem;text-align:right;line-height:1.4}.header-descriptor>span{font-size:.75rem;letter-spacing:.025em}.site-header nav{width:100%;height:51px;margin-left:0;justify-content:space-between;gap:12px;margin-top:8px}.site-header nav>a{font-size:.875rem;white-space:normal;line-height:1.4}.site-header nav>a::after{height:2px}.context-bar{font-size:.75rem;height:49px;gap:8px}#source-stamp{font-size:.75rem}.overview-stage{display:flex;flex-direction:column;gap:25px;margin-bottom:24px}main{padding-top:27px;padding-bottom:45px}.overview-intro h1{flex-direction:row;gap:0 .1em;font-size:clamp(2.7rem,12vw,4.8rem);line-height:1.3;margin:16px 0}.overview-intro .section-kicker{font-size:.875rem}.overview-intro 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0;gap:23px}.evidence-entry strong{font-size:4.4rem}.evidence-entry>span{font-size:1rem}.page-heading{padding:8px 0 28px}.page-heading>.section-kicker{gap:12px;flex-wrap:wrap;font-size:.75rem;margin-bottom:15px}.page-heading h1{font-size:2.45rem;letter-spacing:-.05em}.page-heading p{font-size:1rem;margin-top:15px;line-height:1.85}.view-summary{font-size:.875rem;gap:10px;flex-wrap:wrap}.detail-heading{grid-template-columns:minmax(0,1fr) 65px;gap:10px;align-items:start}.detail-heading .page-heading h1{font-size:2rem}.detail-heading .section-kicker>span:last-child{font-size:.75rem}.detail-serial{font-size:3.3rem;margin-top:8px;letter-spacing:-.07em;align-self:start}.detail-side{grid-template-columns:1fr;gap:0;padding:28px 0}.meta-card+.meta-card{border-top:1px solid var(--line);padding-top:22px;margin-top:24px}.meta-card:last-child{grid-column:auto}.meta-card h2{font-size:1.125rem}.meta-card p{font-size:1rem}.meta-card dl{font-size:.9375rem}.domain-section{padding:26px 0}.domain-section-label h2{font-size:1.25rem}.next-domain{grid-template-columns:1fr 25px;gap:13px;padding:23px 0;margin-top:12px}.next-domain>span:first-child{grid-column:1/-1}.next-domain strong{font-size:1.4rem}.task-table .table-header{display:none}.task-row{grid-template-columns:minmax(0,1fr) 95px;gap:15px;padding:24px 0}.task-index{grid-column:1/-1;flex-direction:row;gap:15px;font-size:.875rem}.task-main h2{font-size:1.125rem}.task-main p{font-size:.9375rem}.task-state .badge{font-size:.875rem;white-space:normal;padding:2px 7px}.task-state .text-link{font-size:.875rem}.document-layout{gap:0}.document-group{margin-bottom:32px}.doc-row{gap:13px;padding:19px 0}.doc-row strong{font-size:1rem}.doc-read{font-size:.875rem;gap:10px}.missing-panel{padding:24px 20px}.missing-title strong{font-size:3rem}.missing-title h2{font-size:1.3rem}.reader-layout{display:flex;flex-direction:column;gap:0}.reader-sidebar{position:static;padding:23px 0 0;width:100%}.reader-sidebar 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.site-header nav>a:not(.active):hover::after{height:1px;background:#79856e}
@media(max-width:650px){.site-header nav{height:auto;min-height:51px}.site-header nav>a{min-height:51px;padding:12px 0}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal.will-reveal{opacity:1;transform:none}}
/* Preference controls stay available at every viewport size. */
.preference-controls{display:flex;align-items:center;gap:6px;flex:none;margin-left:4px}.preference-controls button{display:flex;align-items:center;justify-content:center;gap:7px;min-height:44px;min-width:44px;border:1px solid var(--line);background:transparent;padding:8px 11px;font-size:.8125rem;line-height:1.2;border-radius:99px;white-space:nowrap}.preference-controls button:hover{background:var(--ink);color:var(--paper)}.theme-icon{font-size:1.25rem;line-height:1}.site-header{gap:22px}.site-header nav{gap:22px}.atlas{color:#f3f4f0}.atlas-cell.is-selected,.atlas-cell:hover,.atlas-cell:focus-visible{color:#171a17}.atlas-cell.is-selected i{background:#171a17}.evidence-banner{color:#171a17}.site-footer{background:#171a17;color:#f3f4f0}.domain-entry:hover,.domain-entry:focus-visible{color:#f3f4f0}.next-row:hover,.next-row:focus-visible{color:#171a17}.next-row:hover p,.next-row:focus-visible p,.next-row:hover .next-number,.next-row:focus-visible .next-number{color:#3c5524}.reader-sidebar nav button:hover,.reader-sidebar nav button.is-current{color:#171a17}.skip-link{color:#171a17}.text-link:hover,.back-link:hover,.prose a:hover{color:#171a17}
html[lang="en"] .overview-intro h1{font-size:clamp(3.4rem,6.1vw,6.5rem);flex-direction:column;line-height:1.03;gap:0;margin-top:35px;margin-bottom:24px}html[lang="en"] .stat-title{max-width:8em}html[lang="en"] .status-strip small{display:block;margin-left:0;margin-top:2px;font-size:.75rem}html[lang="en"] .status-strip strong{text-align:right}html[lang="en"] .entry-foot{flex-wrap:wrap;gap:4px 12px}html[lang="en"] .entry-title h3{font-size:1.3rem}html[lang="en"] .next-row{grid-template-columns:50px minmax(160px,.9fr) minmax(0,1.2fr) 55px}html[lang="en"] .overview-stage{gap:5%}
:root[data-theme="dark"]{--paper:#121612;--ink:#edf2e8;--muted:#a7b1a1;--line:#374132;--deep:#1c211a;color-scheme:dark}html[data-theme="dark"] .site-header{background:#121612f5}html[data-theme="dark"] .heading-period{color:var(--accent)}html[data-theme="dark"] .status-strip>a:hover,html[data-theme="dark"] .doc-row:hover,html[data-theme="dark"] .doc-row:focus-visible{background:#263020}html[data-theme="dark"] .missing-panel{background:#20291c}html[data-theme="dark"] .missing-title strong{color:#b8ce96}html[data-theme="dark"] .missing-details,html[data-theme="dark"] .missing-list li{border-color:var(--line)}html[data-theme="dark"] .detail-serial{color:#526246}html[data-theme="dark"] .unavailable{color:#dfbd75}html[data-theme="dark"] .badge.is-unknown{color:#e4cb88;background:#302a17;border-color:#716039}html[data-theme="dark"] .badge.is-verified{background:#243a18;border-color:#638c45;color:#bedca1}html[data-theme="dark"] .prose code{background:#283122}html[data-theme="dark"] .prose pre code{background:none}html[data-theme="dark"] .prose a{background:#2d3824}html[data-theme="dark"] .prose a:hover{background:var(--accent)}html[data-theme="dark"] .note-label{border-color:#687f53}html[data-theme="dark"] ::selection{color:#171a17}html[data-theme="dark"] a:focus-visible,html[data-theme="dark"] button:focus-visible,html[data-theme="dark"] summary:focus-visible{outline-color:var(--accent)}
@media(max-width:1180px){.header-descriptor{display:none}.site-header{gap:16px}.site-header nav{gap:20px}}
@media(max-width:900px){.site-header{height:auto;min-height:78px;flex-wrap:wrap;padding-top:14px}.preference-controls{margin-left:auto;margin-bottom:8px}.site-header nav{order:3;flex-basis:100%;justify-content:space-between;margin:0;gap:18px;min-height:48px}.site-header nav>a{padding:12px 0}.wordmark{margin-bottom:8px}html{scroll-padding-top:140px}.detail-side,.reader-sidebar,.missing-panel{top:145px}.prose h2,.prose h3,.prose h4{scroll-margin-top:145px}html[lang="en"] .next-row{grid-template-columns:35px minmax(0,1fr) 55px}html[lang="en"] .overview-intro h1{font-size:clamp(2.8rem,6.8vw,4.5rem);margin-top:26px}}
@media(max-width:650px){.site-header{gap:0;padding-top:14px}.header-descriptor{display:none}.preference-controls{margin-left:auto}.preference-controls button{font-size:.8125rem;padding:8px 10px}.site-header nav{margin-top:0;min-height:51px;gap:12px}.site-header nav>a{font-size:.8125rem}.context-bar{align-items:flex-start;justify-content:space-between;height:auto;min-height:49px;padding:12px 0;flex-wrap:wrap;gap:2px 12px}.overview-intro h1,html[lang="en"] .overview-intro h1{font-size:clamp(2.6rem,11.8vw,4.4rem);margin:18px 0;line-height:1.06}html[lang="en"] .overview-intro h1{flex-direction:column}html[lang="en"] .next-row{grid-template-columns:24px minmax(0,1fr) 45px;gap:8px 13px}html[lang="en"] .intro-bottom{flex-wrap:wrap}html[lang="en"] .intro-bottom .pill-link{gap:15px}html[lang="en"] .stat-title{font-size:.8125rem;max-width:7em}.atlas-preview{flex-wrap:wrap}.atlas-top{gap:12px}.section-kicker{flex-wrap:wrap}.footer-wordmark{flex-wrap:wrap}html{scroll-padding-top:139px}.prose h2,.prose h3,.prose h4{scroll-margin-top:139px}}