/* Applications & Research: scoped to this section. */
.ar-head{padding:28px 0 40px;border-bottom:1px solid var(--line)}
.ar-crumb{display:flex;flex-wrap:wrap;gap:9px;font-size:12px;color:var(--muted);margin-bottom:30px}
.ar-crumb a:hover{color:var(--blue)}
.ar-kicker{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue);font-weight:600;margin-bottom:12px}
.ar-head h1{font-size:clamp(30px,3.5vw,46px);line-height:1.25;margin-bottom:16px}
.ar-lead{max-width:800px;font-size:16px;line-height:1.9;color:var(--ink2)}
.ar-head-links{display:flex;gap:24px;flex-wrap:wrap;margin-top:24px;font-size:13px}
.ar-head-links a{color:var(--blue);border-bottom:1px solid #b9cff0;padding-bottom:3px}
.ar-section{padding:48px 0;border-bottom:1px solid var(--line)}
.ar-section-title{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:24px}
.ar-section-title h2{font-size:26px;line-height:1.4}
.ar-section-title p{font-size:13px;color:var(--muted)}
.ar-topic-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}
.ar-feature{background:var(--soft);border:1px solid var(--line);border-radius:10px;padding:28px;display:flex;flex-direction:column;align-items:flex-start}
.ar-feature h3{font-size:28px;line-height:1.4;margin:10px 0}
.ar-feature>p{font-size:14px;line-height:1.85;color:var(--ink2)}
.ar-feature-image{display:block;width:100%;margin:22px 0;background:#fff;border:1px solid var(--line);border-radius:6px;padding:12px}
.ar-feature-image img{width:100%;height:190px;object-fit:contain}
.ar-feature-note{font-size:12px;color:var(--muted);margin-top:8px}
.ar-feature .ar-link{margin-top:auto}
.ar-link{display:inline-flex;align-items:center;gap:12px;color:var(--blue);font-size:14px;font-weight:600;line-height:1.8}
.ar-link:hover{text-decoration:underline;text-underline-offset:4px}
.ar-topics{border-top:1px solid var(--line)}
.ar-topic{display:grid;grid-template-columns:28px minmax(0,1fr) 20px;gap:16px;padding:21px 0;border-bottom:1px solid var(--line);align-items:start}
.ar-topic:hover h3{color:var(--blue)}
.ar-number{font:12px var(--mono);color:var(--blue);padding-top:5px}
.ar-topic h3{font-size:19px;line-height:1.5;margin-bottom:6px}
.ar-topic p{font-size:13px;color:var(--muted);line-height:1.85}
.ar-topic .ar-arrow{color:var(--blue);padding-top:2px}
.ar-examples{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.ar-example{min-width:0}
.ar-example-image{display:block;border:1px solid var(--line);border-radius:8px;padding:14px;background:var(--soft);margin-bottom:16px}
.ar-example-image img{height:170px;width:100%;object-fit:contain}
.ar-label{font-size:11px;color:var(--muted);letter-spacing:.04em;margin-bottom:8px}
.ar-example h3{font-size:19px;line-height:1.5;margin-bottom:9px}
.ar-example p{font-size:13px;line-height:1.85;color:var(--ink2);margin-bottom:12px}
.ar-resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px}
.ar-resource-grid h3{font-size:18px;line-height:1.5;margin-bottom:14px}
.ar-resource{display:block;padding:18px 0;border-top:1px solid var(--line)}
.ar-resource strong{font-size:15px;font-weight:600;line-height:1.65;display:block}
.ar-resource span{display:block;font-size:12px;color:var(--muted);line-height:1.8;margin-top:5px}
.ar-resource:hover strong{color:var(--blue)}
.ar-support{margin:40px auto 56px;border-left:3px solid var(--blue);padding:8px 0 8px 24px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.ar-support h2{font-size:23px;line-height:1.5;margin-bottom:8px}
.ar-support p{font-size:14px;color:var(--muted);max-width:740px}
.ar-primary{background:var(--blue);color:white;padding:12px 22px;font-size:14px}
.ar-primary:hover{background:#004eb8}
.ar-layout{display:grid;grid-template-columns:196px minmax(0,1fr);gap:56px;padding-top:36px;padding-bottom:12px}
.ar-sidebar{min-width:0}
.ar-nav{position:sticky;top:92px}
.ar-nav-label{font-size:11px;letter-spacing:.1em;color:var(--muted);margin-bottom:14px}
.ar-nav a{display:block;border-left:2px solid var(--line);padding:9px 14px;font-size:13px;color:var(--ink2);line-height:1.6}
.ar-nav a[aria-current],.ar-nav a:hover{color:var(--blue);border-color:var(--blue);background:var(--soft)}
.ar-nav .ar-back{border:0;margin-top:18px;padding-left:0;font-size:12px}
.ar-content{min-width:0}
.ar-block{scroll-margin-top:98px;padding-bottom:40px;margin-bottom:36px;border-bottom:1px solid var(--line)}
.ar-block h2{font-size:26px;line-height:1.5;margin-bottom:14px}
.ar-block>p{font-size:15px;line-height:1.95;color:var(--ink2);margin-bottom:20px;max-width:850px}
.ar-block h3{font-size:20px;line-height:1.5;margin-bottom:12px}
.ar-facts{margin:20px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:0 28px;border-top:1px solid var(--line)}
.ar-facts>div{padding:16px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:78px minmax(0,1fr);gap:12px;font-size:13px;line-height:1.85}
.ar-facts dt{color:var(--muted)}
.ar-facts dd{margin:0;color:var(--ink2)}
.ar-note{font-size:12px!important;color:var(--muted)!important;line-height:1.85!important;margin:14px 0 0!important}
.ar-tags{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
.ar-tags span,.ar-tags>a{font-size:11px;padding:3px 9px;background:var(--soft);border:1px solid var(--line);border-radius:4px;color:var(--ink2)}
.ar-evidence{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:28px;margin:24px 0 32px;align-items:start}
.ar-figure{margin:0;min-width:0}
.ar-figure>a{display:block;background:var(--soft);border:1px solid var(--line);padding:16px;border-radius:8px;cursor:zoom-in}
.ar-figure img{width:100%;height:auto;max-height:360px;object-fit:contain}
.ar-figure figcaption{font-size:12px;color:var(--muted);line-height:1.85;margin-top:10px}
.ar-figure figcaption a,.ar-note a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.ar-evidence-copy p{font-size:14px;color:var(--ink2);line-height:1.9;margin-bottom:12px}
.ar-evidence-copy h3{font-size:21px}
.ar-evidence-copy dl{margin:0}
.ar-evidence-copy dl>div{padding:10px 0;border-bottom:1px solid var(--line);font-size:13px;line-height:1.85}
.ar-evidence-copy dt{font-weight:600;margin-bottom:4px}
.ar-evidence-copy dd{margin:0;color:var(--muted)}
.ar-domain{padding:24px 0;scroll-margin-top:98px;border-top:1px solid var(--line)}
.ar-domain:first-of-type{border-top:0}
.ar-domain>p{font-size:14px;line-height:1.9;color:var(--ink2);margin-bottom:16px}
.ar-table{width:100%;border-collapse:collapse;font-size:13px;line-height:1.85}
.ar-table th,.ar-table td{text-align:left;padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.ar-table thead th{background:var(--soft);font-weight:500;color:var(--muted);font-size:12px}
.ar-table tbody th{font-weight:600;width:22%}
.ar-table td{color:var(--ink2)}
.ar-steps{list-style:none;counter-reset:step;padding:0;margin:20px 0;display:grid;grid-template-columns:1fr 1fr;gap:22px 32px}
.ar-steps li{counter-increment:step;padding-left:35px;position:relative}
.ar-steps li:before{content:counter(step,decimal-leading-zero);position:absolute;left:0;top:3px;color:var(--blue);font:12px var(--mono)}
.ar-steps strong{display:block;font-size:15px;margin-bottom:6px;font-weight:600}
.ar-steps p{font-size:13px;line-height:1.85;color:var(--muted)}
.ar-question{border:1px solid var(--line);border-radius:8px;margin-top:14px;background:var(--soft)}
.ar-question summary{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:15px 18px;cursor:pointer;list-style:none;font-size:14px;font-weight:600;line-height:1.7}
.ar-question summary::-webkit-details-marker{display:none}
.ar-question summary:after{content:'+';position:static;transform:none;transition:none;border:0;width:auto;height:auto;font-size:20px;color:var(--blue);font-weight:400}
.ar-question[open] summary:after{content:'−';transform:none}
.ar-question>div{padding:0 18px 18px;font-size:13px;line-height:1.95;color:var(--ink2)}
.ar-related{display:grid;grid-template-columns:1fr 1fr;gap:12px 28px;margin-top:16px}
.ar-related a{padding:14px 0;border-top:1px solid var(--line);font-size:14px;color:var(--blue)}
.ar-reference{padding:18px 0;border-top:1px solid var(--line);overflow-wrap:anywhere}
.ar-reference h3{font-size:16px;line-height:1.65;margin-bottom:7px}
.ar-reference p{font-size:13px;line-height:1.85;color:var(--muted);margin-bottom:10px}
.ar-reference a{font-size:13px;color:var(--blue)}
.ar-diagram{padding:24px;background:var(--soft);border:1px solid var(--line);border-radius:8px;margin:22px 0}
.ar-diagram-flow{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.ar-diagram-flow>div{border-top:2px solid var(--blue);padding-top:12px}
.ar-diagram strong{display:block;font-size:15px;margin-bottom:6px}
.ar-diagram p{font-size:13px;line-height:1.8;color:var(--muted)}
.ar-legacy{display:block;scroll-margin-top:100px}
.ar-modal{border:1px solid var(--line);border-radius:10px;width:min(1000px,94vw);max-height:92vh;padding:20px;background:#fff;color:var(--ink)}
.ar-modal::backdrop{background:rgba(10,15,25,.72)}
.ar-modal-top{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:18px}
.ar-modal-top p{font-size:14px;font-weight:600}
.ar-close{padding:7px 14px;border:1px solid var(--line);border-radius:6px;white-space:nowrap;font-size:13px}
.ar-modal img{max-height:65vh;width:100%;object-fit:contain}
.ar-modal-caption{font-size:12px;line-height:1.85;color:var(--muted);margin-top:14px}
.ar-modal-caption a{color:var(--blue);text-decoration:underline}
@media(max-width:1050px){.ar-layout{grid-template-columns:160px minmax(0,1fr);gap:28px}.ar-evidence{grid-template-columns:1fr}.ar-figure img{max-height:330px}.ar-facts{grid-template-columns:1fr}.ar-topic-layout{gap:28px}}
@media(max-width:760px){
 .ar-head{padding:20px 0 28px}.ar-crumb{margin-bottom:22px;font-size:11px}.ar-head h1{font-size:30px}.ar-lead{font-size:15px}.ar-head-links{gap:12px 20px;margin-top:18px}
 .ar-section{padding:32px 0}.ar-section-title{display:block;margin-bottom:20px}.ar-section-title h2{font-size:24px}.ar-section-title p{margin-top:8px}
 .ar-topic-layout{grid-template-columns:1fr;gap:24px}.ar-feature{padding:22px}.ar-feature h3{font-size:25px}.ar-feature-image img{height:auto;max-height:220px}.ar-feature .ar-link{margin-top:0}
 .ar-topic{gap:12px;padding:18px 0}.ar-topic h3{font-size:18px}.ar-examples{grid-template-columns:1fr;gap:30px}.ar-example-image img{height:auto;max-height:240px}.ar-resource-grid{grid-template-columns:1fr;gap:26px}
 .ar-support{padding-left:18px;display:block;margin:30px auto 40px}.ar-support h2{font-size:21px}.ar-support .btn{margin-top:18px}.ar-support p{font-size:13px}
 .ar-layout{grid-template-columns:1fr;gap:28px;padding-top:24px}.ar-nav{position:static;display:flex;flex-wrap:wrap;gap:8px}.ar-nav-label{display:none}.ar-nav a{border:1px solid var(--line);border-radius:5px;padding:7px 11px;font-size:12px}.ar-nav .ar-back{display:none}
 .ar-block{padding-bottom:28px;margin-bottom:28px}.ar-block h2{font-size:23px}.ar-block>p{font-size:14px}.ar-block h3{font-size:19px}.ar-evidence{gap:18px;margin:20px 0 24px}.ar-facts>div{grid-template-columns:66px minmax(0,1fr)}
 .ar-steps{grid-template-columns:1fr;gap:20px}.ar-related{grid-template-columns:1fr;gap:0}.ar-diagram{padding:20px}.ar-diagram-flow{grid-template-columns:1fr;gap:18px}
 .ar-table,.ar-table tbody{display:block}.ar-table thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.ar-table tr{display:block;padding:16px 0;border-bottom:1px solid var(--line)}.ar-table th,.ar-table td{display:block;border:0;padding:3px 0;width:auto!important}.ar-table tbody th{font-size:15px;margin-bottom:8px}.ar-table td{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px}.ar-table td:before{content:attr(data-label);color:var(--muted);font-size:12px}
 .ar-modal{padding:14px}.ar-modal-top{align-items:flex-start;gap:12px}.ar-modal-top p{font-size:13px}
}
@media(prefers-reduced-motion:reduce){.ar-content *{scroll-behavior:auto}}

.ar-domain-links{display:flex;flex-wrap:wrap;gap:8px 18px;margin:4px 0 18px;font-size:12px;color:var(--ink2)}
.ar-domain-links a:hover{color:var(--blue)}
.ar-section,.ar-domain-links a,.ar-feature,.ar-topics{scroll-margin-top:100px}

.ar-nav .ar-nav-sub{font-size:12px;padding:7px 14px 7px 25px;color:var(--muted)}
.ar-nav .ar-nav-sub[aria-current]{color:var(--blue)}
.ar-tags>a:hover{border-color:var(--blue);color:var(--blue)}
@media(max-width:760px){.ar-nav .ar-nav-sub{padding:7px 11px}}

html:has(.ar-head){scroll-behavior:auto}