/* Case-scoped supporting layout; source images are never blended or filtered. */
.at-case{--at-paper:#f1f2f3;--at-ink:#101a27;--at-accent:#a35127;--at-line:#101a2733;background:var(--at-paper);color:var(--at-ink);font:16px/1.65 "Segoe UI",Arial,sans-serif;isolation:isolate;overflow-wrap:break-word}
.at-case *{box-sizing:border-box;min-width:0}
.at-case p,.at-case figure,.at-case h3,.at-case h4,.at-case h5,.at-case dl{margin:0}
.at-case button,.at-case a{touch-action:manipulation}
.at-case button{font:inherit;cursor:pointer}
.at-case button:focus-visible,.at-case a:focus-visible,.at-case [tabindex]:focus-visible{outline:3px solid var(--at-ink);outline-offset:5px}
.at-case [hidden]{display:none!important}
.at-case .b8-arrow{display:inline-block;width:1.05em;height:1.05em;vertical-align:-.12em;fill:none;stroke:currentColor;stroke-width:1.4;margin-left:15px}
.at-index{display:block;font-size:10px;line-height:1.6;letter-spacing:.09em;font-weight:500;text-transform:uppercase}
.at-chapters{display:flex;gap:0 25px;flex-wrap:wrap;padding:18px 5vw;background:#fff;border-block:1px solid var(--at-line)}
.at-chapters a{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--at-ink);font-size:12px;min-height:44px}
.at-chapters span{font-size:10px;color:var(--at-accent)}
.at-chapters a:hover{text-decoration:underline;text-underline-offset:5px}
.at-edition{display:grid;grid-template-columns:1fr 1.15fr;gap:7vw;padding:30px 5vw;border-bottom:1px solid var(--at-line)}
.at-edition p{font-size:13px;max-width:700px}
.at-chapter{padding:88px 5vw;scroll-margin-top:100px;border-bottom:1px solid var(--at-line)}
.at-heading{display:grid;grid-template-columns:1fr 1.15fr;gap:7vw;margin-bottom:48px;align-items:start}
.at-heading h3{font:400 clamp(38px,4.8vw,72px)/1.05 "Segoe UI",Arial,sans-serif;letter-spacing:-.045em;margin-top:22px}
.at-heading>p{font-size:17px;line-height:1.75;max-width:680px;padding-top:34px}
.at-signature{display:block;width:100%;height:auto;max-width:100%;overflow:hidden}
.at-source{display:block;width:100%;height:auto;max-width:100%;object-fit:contain;mix-blend-mode:normal}
.at-form{display:grid;grid-template-columns:1.1fr .9fr;gap:6vw;align-items:center}
.at-form-art{background:#fff;padding:45px 35px;border-top:3px solid var(--at-accent)}
.at-caption{display:block;font-size:11px;text-align:center;line-height:1.7;margin-top:30px}
.at-features>div{padding:25px 0;border-top:1px solid var(--at-line)}
.at-features h4{font:400 25px/1.25 "Segoe UI",Arial,sans-serif;letter-spacing:-.02em;margin:13px 0}
.at-features p{font-size:14px;line-height:1.8}
.at-versions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
.at-versions figure{border-bottom:1px solid var(--at-line)}
.at-versions figcaption{padding:17px 0;font-size:12px}
.at-note{font-size:12px;line-height:1.8;max-width:950px;margin-top:25px!important}
.at-palette{display:grid;grid-template-columns:repeat(4,minmax(0,1fr))}
.at-palette>div{min-height:280px;display:flex;flex-direction:column;padding:25px;gap:22px}
.at-palette strong{font:400 28px/1.15 "Segoe UI",Arial,sans-serif;letter-spacing:-.02em;margin-top:auto}
.at-palette p{font-size:12px;line-height:1.7;max-width:240px}
.at-type-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:6vw}
.at-type-specimen{padding:35px;background:#fff;border-top:3px solid var(--at-accent)}
.at-type-specimen>p{font:400 clamp(36px,4vw,60px)/1.07 "Segoe UI",Arial,sans-serif;letter-spacing:-.045em;margin:55px 0}
.at-type-specimen>span:last-child{font:18px/1.7 "Segoe UI",Arial,sans-serif}
.at-type-hierarchy{padding-top:20px}
.at-type-hierarchy h4{font:400 34px/1.1 "Segoe UI",Arial,sans-serif;letter-spacing:-.025em;margin:25px 0 20px}
.at-type-hierarchy>p{font-size:15px;line-height:1.8;max-width:560px}
.at-type-hierarchy dl{margin-top:28px;font-size:13px}
.at-type-hierarchy dl>div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--at-line)}
.at-type-hierarchy dd{margin:0;text-align:right}
.at-space{max-width:950px;margin:auto!important}
.at-space-svg{display:block;width:100%;height:auto}
.at-space figcaption{font-size:12px;line-height:1.8;margin-top:20px}
.at-scale-controls{display:flex;gap:10px;flex-wrap:wrap}
.at-scale-controls button{min-width:80px;min-height:44px;border:1px solid var(--at-line);border-radius:3px;color:var(--at-ink);background:#fff;font-size:13px;padding:10px 20px}
.at-scale-controls button[aria-pressed=true]{background:var(--at-ink);color:#fff;border-color:var(--at-ink)}
.at-scale-output{display:block;font-size:12px;margin:20px 0}
.at-scale-scroll{overflow:auto;max-width:100%;padding:35px;background:#fff;border:1px solid var(--at-line);overscroll-behavior-x:contain;scrollbar-width:thin}
.at-scale-scroll>div{max-width:none;min-width:0;margin:auto}
.at-principles{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6vw}
.at-principles>div{padding-top:25px;border-top:3px solid var(--at-accent)}
.at-principles ol{margin:25px 0 0;padding-left:23px;font-size:15px;line-height:1.8}
.at-principles li{padding:0 0 18px 7px}
.at-system-strip{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));margin-top:40px;border-block:1px solid var(--at-line)}
.at-system-strip span{padding:24px 20px;font-size:13px;border-right:1px solid var(--at-line)}
.at-system-strip span:last-child{border-right:0}
.at-study{margin-top:35px;border:1px solid var(--at-line);background:#fff}
.at-study+.at-study{margin-top:65px}
.at-app-brand{display:flex;justify-content:space-between;align-items:center;gap:35px;padding:28px 35px;border-bottom:1px solid var(--at-line)}
.at-app-brand>svg{width:280px;flex:none}
.at-app-brand>span{text-align:right}
.at-app-note{font-size:12px;line-height:1.8;padding:22px 35px!important;border-top:1px solid var(--at-line);background:var(--at-paper)}
.at-sources{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6vw}
.at-sources>div{border-top:1px solid var(--at-line);padding-top:25px}
.at-sources h4{font:400 30px/1.2 "Segoe UI",Arial,sans-serif;margin:25px 0 10px}
.at-sources p{font-size:12px;letter-spacing:.08em}
.at-sources ul{margin:25px 0 0;padding-left:18px;font-size:14px;line-height:1.8}
.at-sources li{padding-bottom:13px}
.at-footer{display:flex;justify-content:space-between;gap:35px;align-items:center;border-top:1px solid var(--at-line);margin-top:48px;padding-top:30px}
.at-footer>span{font-size:11px;line-height:1.7;letter-spacing:.07em}
.at-footer button{min-height:52px;padding:14px 20px;font-size:13px;border:1px solid var(--at-ink);background:transparent;color:var(--at-ink);border-radius:28px}
@media(max-width:1000px){.at-palette{grid-template-columns:repeat(2,minmax(0,1fr))}.at-form,.at-type-grid{gap:35px}.at-form-art{padding:30px 24px}.at-heading{gap:35px}}
@media(max-width:700px){.at-case{font-size:15px}.at-chapters{gap:0 17px;padding:12px 20px}.at-chapters a{font-size:11px}.at-edition{grid-template-columns:1fr;gap:15px;padding:25px 20px}.at-chapter{padding:55px 20px}.at-heading{grid-template-columns:1fr;gap:24px;margin-bottom:35px}.at-heading h3{font-size:39px;line-height:1.05;margin-top:18px}.at-heading>p{font-size:16px;line-height:1.75;padding:0}.at-form,.at-type-grid,.at-principles,.at-sources{grid-template-columns:1fr;gap:30px}.at-versions{grid-template-columns:1fr;gap:25px}.at-versions figcaption{font-size:11px}.at-form-art{padding:28px 20px}.at-features>div{padding:22px 0}.at-palette>div{padding:20px 16px;min-height:245px}.at-palette strong{font-size:23px}.at-palette p{font-size:11px}.at-type-specimen{padding:25px 20px}.at-type-specimen>p{font-size:38px;margin:40px 0}.at-type-specimen>span:last-child{font-size:14px}.at-type-hierarchy{padding-top:0}.at-scale-scroll{padding:22px 15px}.at-system-strip{grid-template-columns:1fr}.at-system-strip span{padding:17px 0;border-right:0;border-bottom:1px solid var(--at-line)}.at-system-strip span:last-child{border-bottom:0}.at-app-brand{flex-direction:column;align-items:flex-start;padding:25px 16px;gap:25px}.at-app-brand>svg{width:100%;max-width:340px;flex:none}.at-app-brand>span{text-align:left}.at-app-note{padding:20px 16px!important}.at-footer{flex-direction:column;align-items:flex-start;gap:25px}.at-footer button{width:100%;text-align:left}}
@media(prefers-reduced-motion:reduce){.at-case *,.at-case *::before,.at-case *::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}

.at-form-art{border-top:0;border-left:5px solid var(--at-accent)}
.at-form-art .at-signature{max-width:510px;margin:auto}
.at-type-specimen>p,.at-heading h3{font-weight:600}
.at-app-head{padding:40px 36px}
.at-app-head h4{font:600 clamp(34px,3.5vw,52px)/1.1 "Segoe UI",Arial,sans-serif;letter-spacing:-.04em;margin:24px 0}
.at-app-head>p{font-size:15px;line-height:1.8;max-width:770px}
.at-workbench-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:30px;padding:0 36px 36px}
.at-layout-drawing{display:grid;grid-template-columns:1fr 1fr;gap:16px;background:#f0f2f4;border:1px solid var(--at-line);padding:22px;align-content:start;min-height:390px}
.at-layout-drawing>div{padding:24px 20px;min-height:145px;border:1px solid #adbac8;background:#fff}
.at-layout-drawing>div:first-child{grid-column:1/-1;min-height:180px;border-top:5px solid #a35127}
.at-layout-drawing span{display:block;font-size:10px;letter-spacing:.05em}
.at-layout-drawing strong{display:block;font-size:31px;font-weight:600;line-height:1.1;letter-spacing:-.035em;max-width:330px;margin-top:30px}
.at-layout-drawing p{font-size:13px;line-height:1.6;margin-top:22px}
.at-layout-drawing[data-at-arrangement=leading]{grid-template-columns:1.7fr 1fr}
.at-layout-drawing[data-at-arrangement=leading]>div:first-child{grid-column:1;grid-row:1/3}
.at-layout-drawing[data-at-arrangement=stacked]{grid-template-columns:1fr}
.at-layout-drawing[data-at-arrangement=stacked]>div:first-child{grid-column:1;grid-row:auto}
.at-layout-options button{display:block;width:100%;min-height:48px;margin-top:12px;background:#fff;color:var(--at-ink);border:1px solid var(--at-line);font-size:13px;padding:12px 14px;text-align:left}
.at-layout-options button[aria-pressed=true]{background:var(--at-ink);color:#fff;border-color:var(--at-ink);box-shadow:inset 4px 0 #a35127}
.at-layout-options>p{font-size:14px;line-height:1.8;border-top:1px solid var(--at-line);padding-top:20px;margin-top:25px}
.at-register-tabs{display:flex;flex-wrap:wrap;gap:25px;padding:0 36px;border-bottom:1px solid var(--at-line)}
.at-register-tabs button{min-height:48px;border:0;border-bottom:3px solid transparent;background:#fff;color:var(--at-ink);font-size:14px;padding:10px 0}
.at-register-tabs button[aria-pressed=true]{font-weight:600;border-bottom-color:var(--at-accent)}
.at-register-panel{display:grid;grid-template-columns:minmax(0,.7fr) minmax(0,1.3fr)}
.at-register-panel aside{background:#eef0f2;padding:34px 30px;border-right:1px solid var(--at-line)}
.at-register-panel aside strong{display:block;font-size:23px;font-weight:600;margin:25px 0 20px;line-height:1.3}
.at-register-panel aside p{font-size:13px;line-height:1.8}
.at-register-panel>div{padding:34px 36px}
.at-register-panel h5{font:600 31px/1.12 "Segoe UI",Arial,sans-serif;letter-spacing:-.03em;margin-bottom:22px}
.at-register-panel>div>p{font-size:15px;line-height:1.8;max-width:630px}
.at-register-panel dl{margin-top:28px;font-size:12px}
.at-register-panel dl>div{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-top:1px solid var(--at-line)}
.at-register-panel dd{margin:0;text-align:right}
@media(max-width:1000px){.at-workbench-grid{grid-template-columns:1fr}.at-layout-options>div{display:flex;gap:10px;flex-wrap:wrap}.at-layout-options button{width:auto;flex:1 1 140px}.at-layout-drawing{min-height:360px}}
@media(max-width:700px){.at-app-head{padding:28px 16px}.at-app-head h4{font-size:32px}.at-workbench-grid{padding:0 16px 28px;gap:25px}.at-layout-drawing,.at-layout-drawing[data-at-arrangement=leading],.at-layout-drawing[data-at-arrangement=stacked]{grid-template-columns:1fr;padding:15px;gap:12px;min-height:0}.at-layout-drawing>div,.at-layout-drawing>div:first-child,.at-layout-drawing[data-at-arrangement=leading]>div:first-child{grid-column:1;grid-row:auto;min-height:125px;padding:22px 17px}.at-layout-drawing strong{font-size:27px}.at-layout-options button{font-size:12px;flex-basis:110px}.at-register-tabs{padding:0 16px;gap:20px}.at-register-panel{grid-template-columns:1fr}.at-register-panel aside{padding:25px 16px;border-right:0;border-bottom:1px solid var(--at-line)}.at-register-panel aside strong{font-size:22px;margin:18px 0 14px}.at-register-panel>div{padding:28px 16px}.at-register-panel h5{font-size:28px}}

.at-case .at-supporting-label{min-width:0;padding:12px 0}.at-case .at-supporting-label strong{display:block;font:400 24px/1.3 Arial,sans-serif;letter-spacing:0;margin:12px 0}.at-case .at-supporting-label small{display:block;font-size:10px;line-height:1.6}