/* Shared editorial hierarchy. Component rules live here once, after the legacy shell. */
:root{--section-space:56px;--heading-gap:16px}
body{font-size:17px;line-height:1.6}
h1,.page-head h1{font-size:clamp(48px,4.5vw,64px);line-height:1.08;letter-spacing:-.045em}
h2{font-size:clamp(30px,2.8vw,40px);line-height:1.16}
h3{font-size:24px;line-height:1.3}
.section{padding-block:var(--section-space)}
.page-head{display:flex;flex-direction:column;align-items:flex-start;gap:14px;padding-block:48px 32px}
.page-head .page-intro{font-size:18px;line-height:1.6;max-width:66ch;margin:0;padding:0}
.page-head .page-intro p{font-size:inherit;line-height:inherit;margin:0}
.section-heading{display:block;margin-bottom:24px}
.section-heading>p{max-width:62ch;margin-top:14px;font-size:17px}
.ui-icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;flex:none}
.source-link{display:inline-flex;align-items:center;min-height:44px;font-size:14px;color:var(--secondary);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.source-link:hover{color:var(--text)}
.text-link:hover,.test-action:hover{transform:none}
.text-link,.button,button{transition-duration:.2s}
.project-menu-toggle{width:32px}
.project-submenu a{display:flex;align-items:center;min-height:44px;line-height:1.4}

/* Edge-to-edge Home film: natural proportions take priority over fitting above the fold. */
@media(min-width:651px){
 .opening .media-screen{height:auto;min-height:0}
 .opening .media-screen video{width:100%;height:auto;aspect-ratio:16/9;object-fit:contain}
 .opening .media-bar{height:68px;box-sizing:border-box;padding-block:12px;align-items:center}
 .hero-identity{bottom:66px;width:45%;max-width:530px}
 .hero-identity h1,html[lang=ko] .hero-identity h1{font-size:clamp(38px,4vw,56px);line-height:1.1}
 .hero-identity p{font-size:17px;margin-top:16px}
}
.home-programs .program-cards{padding:0}
.home-programs .program-cards>article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:10%;align-items:center;margin:0}
.home-programs .program-cards>article:nth-child(even){grid-template-columns:minmax(0,1.25fr) minmax(0,1fr)}
.home-programs .program-cards>article:nth-child(even) .program-picture{order:-1}
.home-programs .program-cards>article+article{border-top:1px solid var(--border);padding-top:40px;margin-top:40px}
.home-programs .program-cards h2{font-size:clamp(30px,3vw,42px)}
.home-programs .program-cards p{font-size:18px;margin-top:16px;max-width:36ch}
.home-programs .program-cards .small-copy{font-size:14px;margin-top:12px}
.program-picture{display:block}
.program-picture>img{width:100%;height:auto}
.program-picture .concept-figure svg{max-height:400px}
.current-research-invitation{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:48px;border-top:1px solid var(--border);border-bottom:0}
.current-research-invitation h2{font-size:clamp(30px,2.8vw,40px)}
.current-research-invitation p{margin-top:12px}
.current-research-invitation>.button{flex:none;margin:0}
.testing-intro{display:flex;align-items:center;justify-content:space-between;gap:32px}
.testing-intro h2{font-size:clamp(30px,2.8vw,40px)}
.test-actions{display:flex;align-items:center;gap:24px;flex-wrap:wrap;margin:0}

/* Hardware photo reel: stable captions and one consistent control vocabulary. */
.photo-reel{width:100%;max-width:520px;min-width:0;justify-self:end}
.reel-slides{position:relative}
.reel-slides figure{margin:0}
.reel-image{display:flex;align-items:center;justify-content:center;aspect-ratio:3/4;background:transparent;overflow:hidden;touch-action:pan-y pinch-zoom}
.reel-image img{width:100%;height:100%;object-fit:contain}
.reel-slides figcaption{height:88px;padding-top:12px;font-size:14px;line-height:1.5}
.reel-slides time{display:block;color:var(--secondary);margin-bottom:4px}
.reel-slides figcaption a{display:block;max-width:48ch}
.reel-controls{display:flex;align-items:center;justify-content:center;gap:4px;border-top:1px solid var(--border);padding-top:6px}
.reel-controls button{display:grid;place-items:center;width:44px;height:44px;min-width:44px;padding:0;border:0;background:transparent;color:var(--text);cursor:pointer}
.reel-controls button:hover{background:var(--surface)}
.reel-dots{display:flex}
.reel-dots button span{width:6px;height:6px;border:1px solid currentColor;border-radius:50%}
.reel-dots [aria-current=true] span{background:currentColor}
.reel-controls [data-reel-toggle]{margin-left:8px}
.reel-controls [data-reel-toggle]>span{display:flex}

/* Shared project and record navigation. */
.project-tabs{display:flex;gap:8px;padding-bottom:16px}
.project-tabs :is(button,[data-project-tab]){display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 22px;border:1px solid var(--border);border-radius:999px;background:transparent;color:var(--text);font:inherit;text-decoration:none;cursor:pointer}
.project-tabs :is(button,[data-project-tab])[aria-selected=true]{background:var(--text);border-color:var(--text);color:var(--canvas)}
.project-tabs :is(button,[data-project-tab]):focus-visible{outline:2px solid var(--text);outline-offset:3px}
[data-project-panel][hidden]{display:none}
[data-project-panel] [id]{scroll-margin-top:var(--header-clearance)}
.flight-ledger article{padding-block:20px;gap:32px;grid-template-columns:170px minmax(0,1fr)}
.flight-ledger h3{font-size:22px}
.flight-ledger p{font-size:16px}
.flight-ledger .text-link{font-size:14px;margin-top:8px}
[data-test-results] [data-results-select]{font-size:16px;min-height:44px;border-radius:0;background:var(--canvas)}
[data-test-results] label{font-size:14px}
[data-test-results]>p>a{font-size:14px}

/* Research: compact visual context, with limitations always visible. */
.study-intro{padding:0 0 24px}
.study-intro p{max-width:80ch;font-size:14px}
.study-feature{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:7%;padding-block:32px 48px;align-items:start;border-bottom:1px solid var(--border)}
.study-feature:nth-of-type(even){grid-template-columns:minmax(0,1fr) minmax(0,1.08fr)}
.study-feature:nth-of-type(even) .study-visual{order:2}
.study-copy h2{font-size:clamp(28px,2.6vw,36px);line-height:1.2;margin:8px 0 16px}
.study-copy p{max-width:65ch}
.study-question{font-size:17px;line-height:1.6}
.study-team{font-size:14px;color:var(--secondary)}
.study-copy .current-stage{margin:20px 0;padding:16px 0;border-top:1px solid var(--border);border-left:0;background:transparent}
.study-copy .current-stage p{font-size:16px;margin-top:8px}
.study-copy h3{font-size:15px}
.study-copy details{border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:0}
.study-copy summary{min-height:48px;padding:12px 0;cursor:pointer;font-size:16px;font-weight:550}
.study-copy details p{font-size:16px}
.study-copy details>div{padding:12px 0 16px}
.concept-figure,.cad-figure{margin:0}
.concept-figure svg{display:block;width:100%;height:auto;background:var(--surface);color:var(--text)}
.concept-figure svg path,.concept-figure svg ellipse,.concept-figure svg circle{fill:none;stroke:currentColor;stroke-width:2}
.concept-dashed{stroke-dasharray:7 9;opacity:.45}
.concept-figure figcaption,.cad-figure figcaption{font-size:14px;line-height:1.5;padding-top:12px;color:var(--secondary)}
.cad-figure img{width:100%;height:auto;object-fit:contain}
.cad-board{position:relative;display:block;overflow:hidden;aspect-ratio:1/1.15;background:#e9edf0}
.cad-figure .cad-board img{position:absolute;width:270.9167%;max-width:none;height:auto;left:-79.8333%;top:-18.2609%}
.cad-figure figcaption a{display:inline-block;margin-top:8px}

/* Records: the selected tab supplies the section label. */
.record-tabs{flex-wrap:wrap}
.record-tabs button{white-space:normal}
.record-panel{padding-top:12px;scroll-margin-top:var(--header-clearance)}
.record-panel>p{max-width:82ch;font-size:15px}
.record-panel>.research-filters{margin-top:20px}
.research-filters{grid-template-columns:1fr 1fr 1.4fr auto;gap:12px;padding:16px;border:0;background:var(--surface)}
.research-filters label{font-size:14px;gap:6px}
.research-filters select,.research-filters input,.research-filters .button{height:44px;min-height:44px;font-size:16px;padding:8px 12px}
.record-panel>[data-result-count]{font-size:14px;padding-block:12px}
.record-panel>.evidence-list{margin-top:12px}
.evidence-list article{display:grid;grid-template-columns:170px minmax(0,1fr);gap:24px;padding:20px 0;border-bottom:1px solid var(--border);scroll-margin-top:var(--header-clearance)}
.evidence-list article>time,.evidence-list article>div:first-child:not(:last-child){font-size:14px;color:var(--secondary);font-variant-numeric:tabular-nums}
.evidence-list h3{font-size:20px;line-height:1.4;margin:0 0 8px}
.evidence-list p{max-width:75ch;font-size:16px}
.evidence-list .original-title{font-size:14px;margin-bottom:8px}
.evidence-list .text-link{font-size:inherit}
.evidence-list p+.text-link{font-size:14px;min-height:44px;margin-top:4px}

/* Gallery: quiet album captions and photograph groups with matched natural heights. */
.gallery-page-head{display:grid;grid-template-columns:1fr 1fr;align-items:end;gap:8%;padding-block:64px 52px}
.gallery-page-head h1{font-size:clamp(56px,6.5vw,88px);line-height:1;letter-spacing:-.055em}
.gallery-page-head>p{justify-self:end;max-width:34ch;font-size:18px;line-height:1.6;margin:0}
.gallery-page-head>p span{display:block;font-size:13px;margin-top:12px;color:var(--secondary)}
.gallery-albums>.gallery-event{display:grid;grid-template-columns:minmax(180px,.75fr) minmax(0,2.5fr);gap:clamp(32px,5vw,72px);padding-block:64px;align-items:start;border-bottom:1px solid var(--border)}
.gallery-albums>.gallery-event:first-child{padding-top:0}
.gallery-event header{display:block;max-width:30ch;margin:0;padding-top:4px}
.gallery-event header .section-context{margin:0 0 16px;font-size:13px;font-variant-numeric:tabular-nums}
.gallery-event header h2{font-size:clamp(25px,2.4vw,32px);line-height:1.18;letter-spacing:-.035em;margin:0 0 18px;text-wrap:balance}
.gallery-event header>p:not(.section-context){font-size:14px;line-height:1.65;max-width:30ch}
.gallery-event header .small-copy{display:block;margin-top:24px;font-size:12px}
.event-photos{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:32px 24px;align-items:start;min-width:0}
.gallery-event[data-photo-count="1"] .event-photos{width:100%;max-width:880px;grid-template-columns:1fr;justify-self:end}
#award-dec-2025 .event-photos{max-width:640px}
#conference-jul-2025 .event-photos{max-width:760px}
.event-photos figure{grid-column:auto;grid-row:auto;width:100%;margin:0;min-width:0}
.gallery-lead .event-photos{grid-template-columns:3fr 4fr 3fr}
.gallery-lead .event-photos figure:first-child,.gallery-lead .event-photos figure:last-child{grid-column:1/-1}
.gallery-lead .event-photos figure:nth-child(2){grid-column:1}
.gallery-lead .event-photos figure:nth-child(3){grid-column:2}
.gallery-lead .event-photos figure:nth-child(4){grid-column:3;width:100%}
#nura-aug-2025 .event-photos{grid-template-columns:3fr 4fr 4fr}
#nura-aug-2025 .event-photos figure:last-child{grid-column:1/-1;max-width:720px;justify-self:end;margin-top:8px}
#test-may-2025 .event-photos{grid-template-columns:3fr 4fr;align-items:center}
.event-photos figure img,.gallery-lead .event-photos figure:nth-child(n) img{display:block;width:100%;height:auto;max-height:none;object-fit:contain;background:transparent}
.event-photos figcaption{font-size:12px;line-height:1.6;padding-top:12px;max-width:70ch}
.photo-dialog-controls button,[data-gallery-close]{display:inline-flex;justify-content:center;align-items:center;width:44px;min-width:44px;min-height:44px;padding:10px}
.archive-credit{padding-block:24px 64px;font-size:13px}

/* About contact behavior is shared with the legacy redirects. */
.leadership-groups{gap:24px;margin-top:24px}
.leadership-group h3{font-size:15px;margin-bottom:16px}
.leader .leader-name{font-size:23px}
.former-leaders{margin-top:24px}
.contact-location{grid-template-columns:minmax(0,1fr) minmax(0,1fr);padding-block:24px 40px}
.campus-grid iframe{background:var(--surface)}
.support-contact [data-support-draft]{min-height:44px;align-items:center;margin-top:12px;text-decoration:underline;text-underline-offset:4px}
.support-contact [data-support-draft]:not([hidden]){display:flex}
[data-support-status]:empty{display:none}

/* One gray footer surface; keep the sharp, prominent identity. */
.site-footer{padding-top:16px}
.footer-top{display:flex;align-items:center;justify-content:space-between;gap:24px;padding-bottom:12px}
.footer-identity{display:flex;align-items:center;gap:24px;padding:0;flex:none}
.footer-brand{flex:none}
.footer-brand .footer-privacy-link{display:flex;align-items:center;min-height:36px;margin:4px 0 0;font-size:12px}
.footer-logo{display:flex;align-items:center;gap:14px}
.footer-logo .psi-wordmark{width:108px}
.footer-logo .footer-emblem{width:34px}
.footer-postech-link{margin:0}
.footer-postech-logo{width:106px}
.footer-links{display:flex;flex-direction:column;align-items:flex-end;min-width:0}
.footer-navigation,.footer-channels{display:flex;flex-direction:row;align-items:center;gap:0 18px;font-size:14px}
.footer-navigation{flex-wrap:wrap;justify-content:flex-end}
.footer-channels{flex-wrap:nowrap;white-space:nowrap}
.footer-navigation a,.footer-channels a{display:flex;align-items:center;min-height:44px}
.footer-bottom{align-items:center;gap:24px;padding-block:8px;font-size:12px}
.footer-bottom a{display:flex;align-items:center;min-height:36px}

@media(max-width:1000px){
 .channel-action:nth-child(3){border-left:0;border-top:1px solid var(--border)}
 .channel-action:nth-child(4){border-top:1px solid var(--border)}
 .vehicle-section{grid-template-columns:minmax(0,.65fr) minmax(0,1.35fr)}
 .research-filters{grid-template-columns:1fr 1fr}
}
@media(max-width:750px){
 :root{--section-space:36px}
 body{font-size:16px}
 h1,.page-head h1{font-size:clamp(36px,7vw,44px)}
 h2{font-size:30px}
 .page-head{padding-block:32px 24px;gap:12px}
 .page-head .page-intro{font-size:17px}
 .section-heading{margin-bottom:20px}
 .home-programs .program-cards>article,.home-programs .program-cards>article:nth-child(even){grid-template-columns:1fr;gap:24px}
 .home-programs .program-cards>article:nth-child(even) .program-picture{order:0}
 .home-programs .program-cards>article+article{padding-top:32px;margin-top:32px}
 .home-programs .program-cards h2{font-size:32px}
 .home-programs .program-cards p{font-size:17px;margin-top:12px}
 .photo-reel{justify-self:center;max-width:520px}
 .program-picture .concept-figure svg{max-height:220px}
 .current-research-invitation,.testing-intro{align-items:flex-start;flex-direction:column;gap:20px}
 .current-research-invitation{padding-block:36px}
 .test-actions{gap:12px 20px}
 .project-tabs :is(button,[data-project-tab]){flex:1}
 .study-feature,.study-feature:nth-of-type(even){grid-template-columns:1fr;gap:24px}
 .study-intro{padding-bottom:16px}
 .study-feature{padding-block:24px 32px}
 .study-feature:nth-of-type(even) .study-visual{order:0}
 .study-visual{max-width:480px;width:100%;justify-self:center}
 .study-visual svg{max-height:350px}
 .study-copy h2{font-size:28px}
 .cad-board{max-height:none}
 .record-tabs button{flex:1 1 calc(50% - 8px);padding-inline:12px;font-size:16px}
 .record-panel{padding-top:8px}
 .research-filters{padding:12px;gap:12px}
 .evidence-list article,.flight-ledger article{grid-template-columns:1fr;gap:8px;padding-block:18px}
 .evidence-list h3{font-size:19px}
 .leadership-groups{grid-template-columns:1fr;gap:24px}
 .contact-location{grid-template-columns:1fr;gap:32px;padding-block:16px 32px}
 .campus-grid iframe{height:200px;max-width:360px}
 .footer-top{flex-wrap:wrap;gap:12px 24px}
 .footer-brand{width:100%}
 .footer-brand .footer-privacy-link{min-height:44px}
 .footer-identity{width:100%;justify-content:flex-start;gap:20px}
 .footer-links{width:100%;align-items:flex-start}
 .footer-navigation,.footer-channels{gap:0 18px;justify-content:flex-start}
 .footer-bottom{gap:0 16px}
 .footer-bottom a{min-height:44px}
}
@media(max-width:400px){
 .reel-dots button{width:36px;min-width:36px}
 .reel-controls{gap:0}
 .reel-controls [data-reel-toggle]{margin-left:0}
 .reel-slides figcaption{height:102px}
 .research-filters{grid-template-columns:1fr}
}

.home-identity{display:grid;grid-template-columns:1.4fr 1fr;gap:10%;align-items:end;border-bottom:1px solid var(--border)}
.home-identity h1{font-size:clamp(36px,4.1vw,60px);max-width:19ch}
.home-identity p{font-size:19px;max-width:42ch;color:var(--secondary);margin:0}
.home-support{display:flex;align-items:center;justify-content:space-between;gap:32px;padding-block:36px 44px;border-top:1px solid var(--border)}
.home-support h2{font-size:clamp(26px,2.4vw,34px)}
.home-support p{margin-top:12px;font-size:16px;max-width:54ch}
.home-support .button{flex:none}
@media(max-width:750px){
 .home-identity{grid-template-columns:1fr;gap:20px}
 .home-identity p{font-size:17px}
 .home-support{flex-direction:column;align-items:flex-start;gap:20px}
}

/* About: a clear introduction, compact support band and aligned people/contact columns. */
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:10%;align-items:end;padding-block:64px 52px}
.about-intro h1{font-size:clamp(56px,6.5vw,88px);line-height:1;letter-spacing:-.055em}
.about-intro p{margin:0;font-size:20px;line-height:1.65;max-width:46ch}
.about-support{border-block:1px solid var(--border);padding-block:32px 28px;scroll-margin-top:var(--header-clearance)}
.about-support .support-section{display:grid;grid-template-columns:150px minmax(0,1fr);gap:36px;align-items:center;padding:0;width:100%;max-width:none}
.about-support .support-section>h2{font-size:19px;margin:0}
.about-support .supporter-list{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:28px;padding:0;margin:0;background:transparent}
.about-support .supporter-list li{padding:0}
.about-support .supporter-list a,.about-support .supporter-list small{font-size:11px;line-height:1.5}
.about-support .supporter-list a{gap:8px}
.about-support .supporter-art{height:64px;padding:0;background:transparent}
.about-support .supporter-art img{width:auto;height:auto;max-height:44px;max-width:min(100%,160px);object-fit:contain}
.about-support .supporter-art-ansys img{max-height:64px}
.about-support-action{display:flex;align-items:center;justify-content:space-between;gap:32px;margin-top:28px;padding-top:24px;border-top:1px solid var(--border)}
.about-support-action h2{font-size:20px;line-height:1.3}
.about-support-action p{font-size:14px;margin:8px 0 0;max-width:65ch}
.about-support-action>div:last-child{flex:none;display:flex;flex-direction:column;align-items:flex-start;gap:8px}
.about-support-action .button{margin:0;min-height:44px;padding:12px 24px;font-size:14px}
.about-support-action span{font-size:12px;color:var(--secondary)}
.about-people{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,1fr);gap:9%;align-items:center;padding-block:80px}
.about-people h2{font-size:clamp(30px,3.2vw,42px);line-height:1.18;letter-spacing:-.04em}
.about-people p{margin-top:20px;font-size:18px;line-height:1.65;max-width:40ch}
.about-people figure{margin:0;min-width:0}
.about-people figure img{display:block;width:100%;height:auto}
.about-people figcaption{padding-top:12px;font-size:12px;line-height:1.6;color:var(--secondary)}
.about-people .text-link{font-size:14px;min-height:44px;margin-top:16px}
.about-leadership .leadership{display:grid;grid-template-columns:minmax(0,.75fr) minmax(0,2.5fr);gap:24px 6%;padding-block:48px;border-top:1px solid var(--border)}
.about-leadership h2{font-size:30px;line-height:1.2;margin:0;max-width:15ch}
.about-leadership .leadership-groups{margin:0;gap:32px}
.about-leadership .leadership-group{border:0;padding:0}
.about-leadership .leadership-group h3{font-size:13px;line-height:1.5;margin-bottom:24px}
.about-leadership .leader{margin-top:22px}
.about-leadership .leader:first-of-type{margin-top:0}
.about-leadership .leader-name{font-size:21px;line-height:1.3}
.about-leadership .leader-role{font-size:13px;margin-top:5px}
.about-leadership .former-leaders{grid-column:2;margin:8px 0 0;padding-top:8px}
.about-leadership .former-leaders summary{font-size:14px}
.about-team{max-width:640px;margin:40px auto 80px;padding:0}
.about-team img{display:block;width:100%;height:auto}
.about-team figcaption{padding-top:14px;font-size:12px;line-height:1.6;color:var(--secondary);text-align:center}
.about-contact{padding:0}
.about-contact .contact-location{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10%;padding-block:48px 32px;border-top:1px solid var(--border)}
.about-contact h2{font-size:32px;line-height:1.2}
.about-contact .section-heading{margin-bottom:24px}
.about-contact .campus-grid iframe{max-width:none;width:100%;height:240px}
.about-contact .contact-link span{font-size:clamp(20px,2.1vw,28px)}
.about-founding{display:grid;grid-template-columns:88px minmax(0,1fr);gap:24px;margin-top:32px;padding-top:24px;border-top:1px solid var(--border);align-items:start}
.about-founding>img{width:88px;height:auto}
.about-founding h3{font-size:20px;line-height:1.3;letter-spacing:-.025em}
.about-founding p{font-size:14px;line-height:1.7;margin:10px 0 0}
.about-founding .text-link{font-size:13px;min-height:44px;margin-top:4px}

/* Both programmes share their opening, type scale and research/engineering links. */
.project-navigation{display:flex;align-items:center;gap:48px;padding-block:28px 8px;font-size:15px}
.project-navigation>span{color:var(--secondary)}
.project-navigation .project-tabs{gap:8px;padding:0;font-size:17px}
.project-hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:10%;align-items:start;padding-block:40px 72px}
.project-hero h1{font-size:clamp(64px,8vw,108px);line-height:1;letter-spacing:-.06em}
.project-hero p{font-size:17px;line-height:1.65;margin-top:20px;max-width:42ch}
.project-hero .project-subtitle{font-size:17px;color:var(--secondary);margin-top:16px}
.project-hero .project-lead{font-size:clamp(25px,2.4vw,32px);line-height:1.35;letter-spacing:-.025em;color:var(--text);margin-top:36px;max-width:25ch;text-wrap:balance}
.project-hero .text-link{margin-top:20px}
.project-jumps{display:flex;flex-wrap:wrap;gap:0 24px;margin-top:20px}
.project-hero .project-jumps .text-link{margin:0}
.project-hero-copy,.project-visual{min-width:0}
.project-visual{justify-self:center;width:100%;max-width:440px}
.project-visual-portrait{width:292px;max-width:100%}
.project-visual figure,.pslv-engineering figure{margin:0;min-width:0}
.project-visual img,.pslv-engineering figure img{display:block;width:100%;height:auto}
.project-visual figcaption,.pslv-engineering figcaption{padding-top:12px;font-size:13px;line-height:1.5;color:var(--secondary)}
.project-hero .text-link,.project-section .text-link,.pslv-flights .text-link{display:inline-flex;align-items:center;min-height:44px;font-size:15px}
.project-section{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:12%;padding-block:40px 64px;border-top:1px solid var(--border)}
.pslv-engineering{display:block;padding-block:48px 72px}
.engineering-heading{margin-bottom:36px}
.avionics-summary>figure{width:100%;max-width:380px;justify-self:center}
.project-section h2,.pslv-flights h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.04em}
.project-links article{padding-block:12px}
.project-links h3,.project-links h3 .text-link{font-size:23px;line-height:1.3;margin:0}
.project-links p{font-size:16px;line-height:1.65;margin:0;max-width:44ch}
.aircraft-research .project-links>article:first-child{padding-top:0}
.aircraft-research .project-links>article+article{margin-top:16px}
.avionics-summary{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px 10%;align-items:center;margin:0}
.avionics-overview{max-width:40ch}
.avionics-overview h3{font-size:32px;line-height:1.2;letter-spacing:-.035em}
.avionics-overview>p{font-size:21px;line-height:1.65;margin-top:20px;max-width:38ch}
.avionics-overview>.text-link{margin-top:24px}
.avionics-essentials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-column:1/-1;gap:40px;margin:0;padding-top:32px;border-top:1px solid var(--border)}
.avionics-essentials>div{padding:0;min-width:0}
.avionics-essentials dt{font-size:18px;font-weight:600;line-height:1.4;letter-spacing:-.015em}
.avionics-essentials dd{font-size:16px;line-height:1.75;color:var(--secondary);margin:14px 0 0;max-width:44ch}
.pslv-reconstruction{padding-bottom:64px;scroll-margin-top:var(--header-clearance)}
.pslv-reconstruction .telemetry-section{margin:0;padding-top:40px}
.pslv-reconstruction .telemetry-heading{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10%;align-items:start;margin-bottom:32px}
.pslv-reconstruction .replay-readout{grid-template-columns:repeat(4,minmax(0,1fr));padding-block:22px}
.pslv-reconstruction .replay-readout strong{font-size:32px}
.pslv-reconstruction .replay-readout .replay-state{font-size:21px}
.pslv-reconstruction .telemetry-plot{max-width:1120px;margin-inline:auto}
.pslv-reconstruction .telemetry-heading h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.04em}
.pslv-reconstruction .telemetry-heading p{font-size:17px;line-height:1.65;margin:0;max-width:54ch}
.pslv-reconstruction .telemetry-heading .reconstruction-context{font-size:13px;line-height:1.6;margin-top:16px}
.pslv-tests{container-type:inline-size;padding-block:48px 72px;border-top:1px solid var(--border)}
.pslv-section-heading{display:flex;align-items:baseline;justify-content:space-between;gap:24px;margin-bottom:28px}
.pslv-section-heading h2{font-size:clamp(28px,3vw,38px);line-height:1.2;letter-spacing:-.04em}
.pslv-section-heading p{font-size:17px;line-height:1.65;margin-top:16px;max-width:54ch}
.pslv-section-heading>.text-link{flex:none;min-height:44px;display:inline-flex;align-items:center;font-size:15px}
.results-anchor{position:relative}
.anchor-alias{position:absolute;inset:0 auto auto 0}
.pslv-flights{padding-block:0 80px}
.pslv-flights>header{display:flex;align-items:baseline;justify-content:space-between;gap:32px;margin-bottom:28px}
.pslv-flights>header p{font-size:15px;line-height:1.65}
.pslv-flight-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(0,1fr);gap:7%;align-items:start}
.pslv-film{min-width:0}
.pslv-film .media-screen{aspect-ratio:16/9;height:auto;min-height:0;background:#000}
.pslv-film video{width:100%;height:100%;object-fit:contain}
.pslv-film .media-tabs{flex-wrap:wrap}
.pslv-film .media-tabs button{font-size:14px;min-height:44px}
.pslv-film .media-play{min-height:44px;font-size:14px;padding:12px 18px;bottom:20px;left:20px}
.pslv-flight-records>h3{font-size:20px;margin-bottom:8px}
.pslv-flight-records article{border-top:1px solid var(--border);padding-block:16px}
.pslv-flight-records article p{display:flex;gap:20px;font-size:13px;color:var(--secondary);margin:0}
.pslv-flight-records h4{font-size:17px;font-weight:550;line-height:1.4;margin-top:8px}

@media(min-width:651px) and (max-width:1100px){
 .pslv-reconstruction .telemetry-plot text{font-size:22px}
}
@media(max-width:900px){
 .project-hero,.project-section{gap:7%}
 .pslv-flight-grid{grid-template-columns:1fr;gap:28px}
 .about-support .supporter-list{gap:20px}
 .about-support .supporter-art img{max-width:100%}
}
@media(max-width:650px){
 .about-support .supporter-list{grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 24px}
 .about-support .supporter-art{height:62px}
 .about-support .supporter-art img{max-width:min(100%,130px);max-height:40px}
 .about-support .supporter-art-ansys img{max-height:62px}
 .about-support-action{align-items:flex-start;flex-direction:column;gap:20px;margin-top:24px}
 .about-team{max-width:360px;margin-block:16px 40px}
 .about-founding{grid-template-columns:80px minmax(0,1fr);gap:20px;margin-top:28px}
 .about-founding>img{width:80px}
 .about-founding h3{font-size:20px}
 .about-founding p{font-size:14px}
 .about-contact{padding-bottom:24px}
 .project-navigation{flex-direction:column;align-items:flex-start;gap:12px;padding-top:16px}
 .project-navigation .project-tabs{width:100%;font-size:16px}
 .project-navigation [data-project-tab]{padding-inline:12px}
 .project-hero{grid-template-columns:minmax(0,1fr);gap:32px;padding-block:28px 40px}
 .project-hero h1{font-size:clamp(52px,16vw,72px)}
 .project-hero .project-subtitle{font-size:15px;margin-top:12px}
 .project-hero .project-lead{font-size:26px;margin-top:24px;max-width:26ch}
 .project-hero p{font-size:16px;margin-top:16px}
 .project-hero .text-link{margin-top:12px}
 .project-jumps{gap:0 20px;margin-top:16px}
 .project-visual{max-width:360px}
 .project-visual-portrait{width:240px}
 .project-section{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:36px 40px}
 .avionics-summary>figure{width:100%;max-width:320px}
 .pslv-reconstruction{padding-bottom:40px}
 .pslv-reconstruction .telemetry-section{padding-top:36px}
 .project-section h2{font-size:30px}
 .pslv-flights{padding-bottom:40px}
 .pslv-flights>header{display:block;margin-bottom:20px}
 .pslv-flights>header p{margin-top:12px}
 .pslv-flight-grid{gap:24px}
 .pslv-tests{padding-block:36px 40px}
 .pslv-section-heading{display:block;margin-bottom:20px}
 .pslv-section-heading h2{font-size:30px}
 .pslv-section-heading p{font-size:16px;margin-top:12px}
 .pslv-section-heading>.text-link{margin-top:12px}
}

/* Institutional identity: PSI leads; its POSTECH affiliation closes the masthead. */
.header-inner{display:grid;grid-template-columns:auto minmax(0,1fr) auto auto;gap:24px;min-height:88px}
.brand{flex:none;gap:0}
.brand .psi-link{gap:18px}
.brand .psi-wordmark{width:156px}
.brand .psi-logo{width:100%;height:auto}
.brand .header-emblem{width:38px}
.brand .header-emblem img{width:100%;height:auto}
.header-affiliation{width:108px;min-height:44px}
.header-affiliation img{width:100%;height:auto;filter:none}
.site-header .site-nav{justify-self:center;margin:0;gap:clamp(16px,1.7vw,28px);font-size:15px}
.header-preferences{margin:0;gap:4px}
@media(max-width:1100px){
 .header-inner{grid-template-columns:auto 1fr auto auto;gap:16px;min-height:80px}
 .menu-toggle{grid-column:2;grid-row:1;justify-self:end;order:0;margin:0}
 .header-preferences{grid-column:3;grid-row:1}
 .header-affiliation{grid-column:4;grid-row:1}
 .site-header .site-nav{justify-self:stretch}
}
@media(max-width:650px){
 :root{--header-clearance:126px}
 .header-inner{grid-template-columns:1fr auto;gap:0 12px;min-height:112px;padding-block:8px}
 .brand{grid-column:1;grid-row:1}
 .brand .psi-wordmark{width:130px}
 .brand .psi-link{gap:12px}
 .brand .header-emblem{width:30px}
 .header-affiliation{grid-column:2;grid-row:1;width:86px;justify-self:end}
 .header-preferences{grid-column:1;grid-row:2;justify-self:start}
 .menu-toggle{grid-column:2;grid-row:2}
 .site-nav{max-height:calc(100dvh - 112px)}
}

/* Responsive compositions retain the same reading order and complete photographs. */
@media(max-width:1100px){
 .about-support .support-section{display:block}
 .about-support .support-section>h2{margin-bottom:20px}
 .about-leadership .leadership{grid-template-columns:1fr;gap:28px}
 .about-leadership .former-leaders{grid-column:1}
 .about-leadership h2{max-width:none}
}
@media(max-width:1000px){
 .gallery-albums>.gallery-event{grid-template-columns:minmax(0,1fr);gap:28px;padding-block:48px}
 .gallery-event header{max-width:60ch;padding:0}
 .gallery-event header>p:not(.section-context){max-width:60ch}
 .gallery-event header .small-copy{margin-top:12px}
 .gallery-event[data-photo-count="1"] .event-photos{justify-self:start}
 .gallery-page-head{padding-block:48px 40px}
 .avionics-overview>p{font-size:19px}
 .avionics-summary{gap:32px 7%}
 .avionics-essentials{gap:28px}
}
@media(max-width:850px){
 .about-contact .contact-location{grid-template-columns:minmax(0,1fr);gap:44px}
 .about-contact .campus-grid iframe{max-width:560px}
 .about-intro{gap:7%}
 .about-intro p{font-size:18px}
 .avionics-essentials{grid-template-columns:1fr}
 .avionics-essentials>div{display:grid;grid-template-columns:minmax(140px,.65fr) minmax(0,1.35fr);gap:24px}
 .avionics-essentials dd{margin:0;max-width:none}
}
@media(max-width:650px){
 .gallery-page-head{grid-template-columns:1fr;gap:24px;padding-block:36px 40px}
 .gallery-page-head h1,.about-intro h1{font-size:52px;line-height:1.06}
 .gallery-page-head>p{justify-self:start;font-size:16px;max-width:32ch}
 .gallery-page-head>p span{font-size:12px;margin-top:8px}
 .gallery-albums>.gallery-event{gap:24px;padding-block:36px}
 .gallery-event header h2{font-size:28px;max-width:26ch;margin-bottom:0}
 .gallery-event header .section-context{margin-bottom:12px}
 .gallery-event header>p:not(.section-context){margin-top:14px}
 .event-photos,.gallery-lead .event-photos,#nura-aug-2025 .event-photos{grid-template-columns:1fr;gap:32px}
 .gallery-lead .event-photos figure:nth-child(n),#nura-aug-2025 .event-photos figure{grid-column:1;width:100%}
 .event-photos figure.portrait{max-width:280px;justify-self:center}
 .event-photos figcaption{font-size:12px;padding-top:10px}
 #test-may-2025 .event-photos{grid-template-columns:1fr;gap:28px}
 #test-may-2025 .event-photos figure:first-child{max-width:260px}
 .archive-credit{padding-bottom:40px}
 .about-intro{grid-template-columns:1fr;gap:24px;padding-block:36px 40px}
 .about-intro p{font-size:18px;max-width:42ch}
 .about-support{padding-block:28px}
 .about-support .supporter-list{gap:20px 24px}
 .about-support-action{margin-top:28px;padding-top:24px}
 .about-people{grid-template-columns:1fr;gap:28px;padding-block:48px}
 .about-people h2{font-size:32px}
 .about-people p{font-size:17px;margin-top:16px}
 .about-leadership .leadership{padding-block:32px;gap:24px}
 .about-leadership .leadership-groups{grid-template-columns:1fr;gap:28px}
 .about-leadership .leadership-group{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;border-top:1px solid var(--border);padding-top:20px}
 .about-leadership .leadership-group h3{grid-column:1/-1;margin:0}
 .about-leadership .leader{margin:0}
 .about-leadership .leader-name{font-size:20px}
 .about-leadership .former-leaders{margin:0}
 .about-contact .contact-location{padding-block:36px 24px}
 .about-contact h2{font-size:30px}
 .about-contact .campus-grid iframe{height:220px}
 .about-team{margin-block:24px 48px}
 .pslv-engineering{padding-block:36px 40px}
 .engineering-heading{margin-bottom:28px}
 .avionics-summary{grid-template-columns:1fr;gap:28px}
 .avionics-overview{order:-1}
 .avionics-overview h3{font-size:27px}
 .avionics-overview>p{font-size:18px;line-height:1.7;margin-top:16px}
 .avionics-overview>.text-link{margin-top:14px}
 .avionics-essentials{gap:26px;padding-top:28px}
 .avionics-essentials>div{display:block}
 .avionics-essentials dd{margin-top:10px;font-size:16px}
 .pslv-reconstruction .telemetry-heading{grid-template-columns:1fr;gap:20px}
 .pslv-reconstruction .replay-readout{grid-template-columns:1fr 1fr;gap:24px 16px}
 .pslv-reconstruction .replay-readout strong{font-size:28px}
 .pslv-reconstruction .replay-readout .replay-state{font-size:20px}
}