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@media(max-width:1050px){.header-inner{align-items:flex-start;flex-direction:column;padding-block:22px;gap:16px}.section-grid{gap:35px}.research-grid{gap:25px}nav{gap:24px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* Research overview, project narratives, and publication lists. */
.research-intro{background:var(--paper);padding:70px 0 60px;border-bottom:1px solid var(--rule)}
.research-intro h1{max-width:20ch}
.research-intro .lede{max-width:64ch;margin-bottom:0}
.research-jump{display:block;background:#fff;border-bottom:1px solid var(--rule);font-size:12px}
.research-jump>.wrap{display:flex;gap:12px 25px;flex-wrap:wrap;padding-block:16px}
.research-jump a{padding-block:5px}
.research-principles{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;border-top:1px solid var(--rule);margin-top:32px;padding-top:25px}
.research-principles h3{font-size:19px;letter-spacing:-.02em;margin-bottom:10px}
.research-principles p{font-size:16px;color:var(--muted);margin:0}
.research-topic{border-top:1px solid var(--rule)}
.shaded{background:var(--paper)}
.research-topic h2{max-width:29ch}
.topic-lede{font-size:23px;line-height:1.5;max-width:78ch;margin-bottom:44px}
.topic-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:start}
.topic-grid h4{font-size:23px;letter-spacing:-.02em;margin-top:28px;margin-bottom:15px}
.topic-grid h4:first-child{margin-top:0}
.topic-grid p{font-size:18px}
.topic-figure{margin:0;background:#fff;border:1px solid var(--rule)}
.topic-figure>img{width:100%;max-height:430px;object-fit:contain}
.topic-figure figcaption{border-top:1px solid var(--rule);padding:16px 20px;font-family:var(--font-ui);font-size:12px;line-height:1.6;color:var(--muted)}
.prosthesis-images{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:15px}
.prosthesis-images img{width:100%;height:340px;object-fit:contain}
.topic-gallery{display:grid;gap:25px}
.topic-gallery .topic-figure>img{max-height:320px}
.method-panel{background:var(--paper);border-top:3px solid var(--purple);padding:24px 22px}
.shaded .method-panel{background:#fff}
.method-panel ol{padding-left:22px;margin:0}
.method-panel li{padding-left:3px;margin-block:16px;font-size:17px}
.method-panel strong{font-weight:bold}
.method-panel .large-copy{font-size:24px}
.evidence-note{border-left:3px solid var(--orange);padding-left:16px;margin-top:30px}
.evidence-note h4{font-family:var(--font-mono);font-size:12px;letter-spacing:.05em;text-transform:uppercase}
.evidence-note p{font-size:16px;color:var(--muted);margin-bottom:0}
.key-papers{margin-top:45px;border-top:1px solid var(--rule);padding-top:25px}
.key-papers h4{font-size:20px;letter-spacing:-.02em}
.key-papers ul{list-style:none;padding:0;margin:0 0 25px;display:grid;grid-template-columns:1fr 1fr;gap:22px 45px}
.key-papers li{font-size:16px;line-height:1.5}
.key-papers li>a{text-decoration:none;border-bottom:1px solid var(--rule)}
.key-papers li>span,.paper-meta{display:block;font-family:var(--font-ui);font-size:12px;line-height:1.6;color:var(--muted);margin-top:7px}
.research-outro{background:var(--paper);border-top:1px solid var(--rule);padding:55px 0}
.research-outro>.wrap{display:flex;gap:35px;justify-content:space-between;align-items:center}
.research-outro h2{font-size:32px}
.research-outro p:last-child{margin-bottom:0}
.research-outro .actions{margin:0;flex-shrink:0}
@media(max-width:900px){.topic-grid{gap:30px;grid-template-columns:1fr 1fr}.research-outro>.wrap{display:block}.research-outro .actions{margin-top:25px}.research-jump>.wrap{gap:8px 20px}}
@media(max-width:700px){.research-intro{padding:45px 0 40px}.research-intro h1{font-size:40px}.research-jump{font-size:11px}.research-jump>.wrap{gap:5px 17px;padding-block:12px}.topic-grid,.key-papers ul{grid-template-columns:1fr;gap:25px}.research-principles{grid-template-columns:1fr;gap:20px}.research-principles p{font-size:17px}.topic-lede{font-size:21px;margin-bottom:30px}.topic-grid p{font-size:17px}.topic-figure>img{max-height:380px}.prosthesis-images img{height:270px}.method-panel{padding:25px 22px}.key-papers{margin-top:30px}.key-papers ul{gap:20px}.research-outro{padding:40px 0}.research-outro h2{font-size:29px}}

/* Responsive research videos with a direct viewing link below each player. */
.research-videos{margin-top:48px;border-top:1px solid var(--rule);padding-top:28px}
.video-section-heading{display:flex;align-items:baseline;justify-content:space-between;flex-wrap:wrap;gap:15px;margin-bottom:24px}
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.research-video-grid.single-video{grid-template-columns:minmax(0,760px)}
.research-video{margin:0;background:#fff;border:1px solid var(--rule);min-width:0}
.video-player{position:relative;aspect-ratio:16/9;background:var(--deep)}
.video-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.research-video figcaption{padding:22px 24px 26px}
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.research-video figcaption>p{font-size:16px;margin:0 0 18px}
.research-video figcaption .video-context{font-family:var(--font-mono);font-size:11px;color:var(--muted);line-height:1.6;margin-bottom:12px}
@media(max-width:700px){.research-videos{margin-top:35px}.research-video-grid{grid-template-columns:1fr;gap:25px}.research-video figcaption{padding:20px}.video-section-heading{gap:12px}}

/* Keep research figures and players on the same two-column, 16:9 grid. */
.brand-logo{width:88px;height:80px;object-fit:contain;flex-shrink:0}
.header-inner nav{gap:18px}
.topic-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
.topic-figure>img,.topic-gallery .topic-figure>img{width:100%;height:auto;aspect-ratio:16/9;max-height:none;object-fit:contain;background:#fff}
.prosthesis-images{aspect-ratio:16/9;grid-template-rows:minmax(0,1fr);padding:12px;overflow:hidden}
.prosthesis-images img{height:100%;max-height:100%;min-height:0;object-fit:contain}
.research-video-grid.single-video{grid-template-columns:repeat(2,minmax(0,1fr))}
.publication-topics{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-top:40px}
.publication-topic{border-top:3px solid var(--purple);padding:25px 0;display:flex;flex-direction:column;align-items:flex-start;min-width:0}
.page-content .publication-topic h2{border:0;padding:0;margin:0 0 18px;font-size:25px;line-height:1.25}
.publication-topic h2 a{text-decoration:none}
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.publication-topic .text-link{margin-top:auto}
.funding-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;margin-top:35px}
.funding-award{background:var(--paper);border-top:3px solid var(--purple);padding:30px}
.funding-award h3{font-size:25px;letter-spacing:-.02em;margin-bottom:16px}
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.funding-award>p{font-size:16px}
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.funding-award dl>div{display:grid;grid-template-columns:135px 1fr;gap:15px;margin-block:7px}
.funding-award dt{color:var(--muted)}
.funding-award dd{margin:0}
.funding-disclaimer{font-family:var(--font-ui);font-size:12px;color:var(--muted);margin-top:30px;max-width:100ch}
.research-funding{border-top:1px solid var(--rule)}
@media(max-width:1050px){.header-inner nav{gap:8px 20px}}
@media(max-width:700px){.brand-logo{width:70px;height:64px}.topic-grid,.research-video-grid.single-video,.publication-topics,.funding-list{grid-template-columns:1fr}.funding-award{padding:24px}.funding-award dl>div{grid-template-columns:1fr;gap:2px}.prosthesis-images img{height:100%}.topic-figure>img,.topic-gallery .topic-figure>img{max-height:none}}

/* The expanded news archive shares the recent-news timeline styling. */
.news-entry{min-width:0}
.news-entry>p{margin:0;font-size:18px}
.news-image{width:min(100%,320px);margin:18px 0 0}
.news-image img{width:100%;aspect-ratio:16/9;object-fit:contain;background:var(--paper)}
.news-archive .archive-content{font-size:18px}
.news-archive .archive-content .news-image{margin:18px 0 0}
.news-archive .news-list li:first-child{border-top:0;padding-top:5px}
@media(max-width:700px){.news-entry>p{font-size:17px}}

/* Outreach activities and award details. */
.home-outreach{border-top:1px solid var(--rule);background:var(--paper)}
.outreach-list{margin-top:40px}
.outreach-activity{border-top:1px solid var(--rule);padding:30px 0}
.page-content .outreach-activity h2{border:0;padding:0;margin:0 0 18px;font-size:30px}
.outreach-activity .eyebrow{margin-bottom:14px}
.outreach-research{border-top:1px solid var(--rule);margin-top:20px;padding-top:35px}
.page-content .outreach-research>h2{border:0;margin:0 0 25px;padding:0}
.outreach-feature{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.funding-award h3{font-size:23px;line-height:1.25}
.funding-award .funding-program{font-family:var(--font-ui);font-size:13px;line-height:1.6;color:var(--muted)}
@media(max-width:700px){.outreach-feature{grid-template-columns:1fr}.funding-award h3{font-size:22px}}
.video-paper-link{display:inline-block;margin-left:20px}
@media(max-width:700px){.video-paper-link{margin:15px 0 0;display:table}}

/* Full-width homepage introduction and uncropped laboratory panorama. */
.hero{display:block;background:var(--paper)}
.hero-copy{width:min(var(--wide),calc(100% - 80px));margin-inline:auto;padding:60px 0 45px}
.hero-copy .eyebrow{max-width:none;white-space:nowrap}
.hero h1{font-size:clamp(28px,3vw,44px);max-width:none;white-space:nowrap;text-wrap:initial}
.hero-copy .lede{max-width:80ch;font-size:22px}
.hero-image{position:relative;margin:0;min-height:0;background:var(--deep)}
.hero-image img{display:block;position:static;width:100%;height:auto;object-fit:contain}
.hero-image figcaption{position:static;padding:10px max(40px,calc((100vw - var(--wide))/2));background:var(--deep);color:#fff;font-family:var(--font-ui);font-size:11px;letter-spacing:.02em}
@media(max-width:900px){.hero h1{font-size:clamp(30px,4.5vw,40px);white-space:normal}}
@media(max-width:700px){
  .hero-copy{width:calc(100% - 40px);padding:38px 0 32px}
  .hero-copy .eyebrow{white-space:normal}
  .hero h1{font-size:clamp(30px,7vw,42px);white-space:normal;line-height:1.15}
  .hero-copy .lede{font-size:20px}
  .hero-image figcaption{padding:10px 20px}
}

/* ARL identity: a laboratory profile and a program organized around its three directions. */
:root{--paper:#f5f3f8}
.lab-overview{display:grid;grid-template-columns:1.4fr 1fr;gap:60px;align-items:start}
.lab-mission h2{max-width:22ch}
.director-profile{display:grid;grid-template-columns:110px minmax(0,1fr);gap:24px;border-left:3px solid var(--orange);padding:26px 0 26px 28px}
.director-profile>img{width:110px;aspect-ratio:1;object-fit:cover}
.director-profile .eyebrow{margin-bottom:13px}
.director-profile h3{font-size:27px;margin-bottom:18px;letter-spacing:-.025em}
.director-profile h3 span{display:block;font-size:18px;font-weight:500;margin-top:6px}
.director-profile p:not(.eyebrow){font-size:15px;line-height:1.65}
.director-profile .text-link{display:table;margin-top:16px;font-size:13px}
.research-grid article{background:#fff;border:1px solid #ded7e8;border-top:4px solid var(--purple);padding:27px 25px 30px}
.research-grid .index{line-height:1.7;font-size:11px}
.research-grid h3{font-size:25px;line-height:1.2}
.research-grid article p{font-size:17px}
.research-opening{display:grid;grid-template-columns:minmax(0,2.1fr) minmax(230px,1fr);gap:70px;align-items:center}
.research-opening h1{font-size:clamp(34px,3.6vw,52px);max-width:26ch}
.research-scope{border-left:3px solid var(--orange);padding-left:18px}
.research-scope ul{list-style:none;margin:0;padding:0;font-family:var(--font-ui);font-size:16px}
.research-scope li{padding:12px 0;border-top:1px solid var(--rule)}
.research-scope li:first-child{border-top:0}
.program-navigation{border:0;padding:24px 0;background:#fff}
.program-navigation>.wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;padding-block:0}
.program-navigation a{display:block;padding:21px 23px;border:1px solid #ded7e8;border-left:3px solid var(--purple);font-size:16px;line-height:1.5;font-weight:600}
.program-navigation a>span{display:block;font-family:var(--font-mono);font-size:10px;font-weight:500;color:var(--orange);margin-bottom:10px;letter-spacing:.015em}
.program-navigation a:hover{background:var(--paper);border-color:var(--purple)}
.research-program{padding-bottom:20px;background:#f9f7fc;border-top:1px solid #ded7e8}
.program-heading{padding:58px 0 30px}
.program-heading h2{max-width:32ch;margin-bottom:18px}
.program-heading>p:last-child{max-width:76ch;margin:0;color:var(--muted)}
.research-program .research-topic{background:transparent;border:0;padding:0 0 26px}
.research-program .research-topic>.wrap{background:#fff;border:1px solid #ded7e8;border-radius:7px;padding:24px}
.research-topic .project-title{font-size:clamp(25px,2.8vw,34px);line-height:1.2;max-width:39ch;margin-bottom:22px}
.topic-grid h4{font-family:var(--font-ui);font-size:20px;letter-spacing:-.015em}
.evidence-note h4{font-family:var(--font-mono);font-size:11px;font-weight:500;letter-spacing:.03em}
.research-program .topic-lede{font-size:21px}
.biomechanics-program{border-top:1px solid #ded7e8}
.study-table-scroll{overflow-x:auto;border:1px solid var(--rule);border-radius:7px}
.study-table{width:100%;min-width:650px;border-collapse:collapse;text-align:left;font-size:16px}
.study-table caption{padding:18px 22px;background:var(--paper);font-family:var(--font-mono);font-size:12px;text-align:left;color:var(--purple)}
.study-table th,.study-table td{padding:22px;vertical-align:top;border-top:1px solid var(--rule)}
.study-table thead th{font-family:var(--font-ui);font-size:13px;background:var(--paper);color:var(--purple)}
.study-table tbody th{width:24%;font-family:var(--font-ui);font-size:15px;font-weight:600}
.study-table td:last-child{width:19%}
.study-note{margin:18px 0 0;font-size:14px;color:var(--muted)}
@media(max-width:1050px){.lab-overview{gap:30px;grid-template-columns:1.2fr 1fr}.director-profile{grid-template-columns:1fr;padding-left:24px}.research-opening{gap:35px;grid-template-columns:2fr 1fr}.program-navigation a{padding:18px;font-size:14px}}
@media(max-width:700px){.lab-overview,.research-opening,.program-navigation>.wrap{grid-template-columns:1fr;gap:25px}.director-profile{grid-template-columns:90px minmax(0,1fr);padding:22px 0 22px 20px}.director-profile>img{width:90px}.director-profile h3{font-size:24px}.director-profile p:not(.eyebrow){font-size:14px}.research-opening h1{font-size:35px}.research-scope{padding-left:18px}.program-navigation{padding:20px 0}.program-navigation>.wrap{gap:12px}.program-navigation a{padding:17px 20px;font-size:15px}.program-navigation a>span{margin-bottom:6px}.program-heading{padding:40px 0 25px}.research-program .research-topic>.wrap{padding:22px 18px}.research-topic .project-title{font-size:26px}.research-program .topic-lede{font-size:20px}.study-table th,.study-table td{padding:18px}}

/* The RAL platform figure uses its native proportions, with text flowing below it. */
#exoskeletons .project-narrative{display:flow-root}
#exoskeletons .ral-platform{float:right;width:calc(50% - 15px);margin:0 0 20px 30px}
#exoskeletons .ral-platform>img{width:100%;height:auto;aspect-ratio:auto;object-fit:contain}
#exoskeletons .project-narrative>h4{font-family:var(--font-ui);font-size:20px;letter-spacing:-.015em;margin:24px 0 15px}
#exoskeletons .project-narrative>h4:first-of-type{margin-top:0}
#exoskeletons .project-narrative>p{font-size:18px}
#exoskeletons .project-narrative>.evidence-note{clear:both;margin-top:24px}
@media(max-width:700px){#exoskeletons .ral-platform{float:none;width:100%;margin:0 0 25px}#exoskeletons .project-narrative>p{font-size:17px}}

/* Give research section and project titles the full available desktop width. */
.research-title-block{grid-column:1/-1}
.research-opening{row-gap:28px}
.research-opening h1,.program-heading h2,.research-topic .project-title{max-width:none;text-wrap:initial}
#overview .section-grid,.research-foundations .section-grid{grid-template-columns:minmax(0,1fr);gap:24px}
#overview .section-grid>div:last-child,.research-foundations .section-grid>div:last-child{max-width:100ch}
@media(min-width:901px){
  .research-opening h1{font-size:clamp(28px,3.2vw,42px);white-space:nowrap}
  .program-heading h2{font-size:clamp(27px,3vw,38px);white-space:nowrap}
  .research-topic .project-title{font-size:clamp(22px,2.2vw,32px);white-space:nowrap}
  #overview h2,.research-foundations h2{font-size:clamp(27px,3vw,38px);white-space:nowrap;text-wrap:initial}
  .research-outro h2{white-space:nowrap}
}
@media(max-width:900px){.research-opening h1,.program-heading h2,.research-topic .project-title,#overview h2,.research-foundations h2,.research-outro h2{white-space:normal}}
.research-outro>.wrap{display:block}
.research-outro .actions{margin-top:24px}

.video-external{display:block;overflow:hidden;color:#fff;text-decoration:none}
.video-external img{width:100%;height:100%;object-fit:contain;display:block}
.video-external span{position:absolute;bottom:0;left:0;right:0;padding:14px 18px;background:rgba(0,0,0,.8);font-size:15px;text-align:center}
.video-external:hover span,.video-external:focus-visible span{text-decoration:underline}