/* Path A: full-width scientific image field. Native geometry and scale remain visible. */
:root{--ink:#101713;--night:#020605;--paper:#f3f4ed;--muted:#a0aaa0;--accent:#d4f56e;--rule:#ffffff27;--gutter:clamp(20px,3vw,58px);--sans:Arial,Helvetica,sans-serif}
*{box-sizing:border-box}html{scroll-padding-top:24px}body{margin:0;min-height:100vh;min-height:100svh;background:var(--night);color:var(--paper);font-family:var(--sans);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img,video{display:block;max-width:100%}a,button{-webkit-tap-highlight-color:transparent;touch-action:manipulation}a:focus-visible,button:focus-visible{outline:2px solid var(--accent);outline-offset:6px}[hidden]{display:none!important}::selection{background:var(--accent);color:var(--ink)}
.skip-link{position:absolute;top:12px;left:var(--gutter);z-index:10;background:var(--accent);color:var(--ink);padding:11px 16px;transform:translateY(-180%)}.skip-link:focus{transform:none}
.site-header{position:relative;z-index:5;background:var(--ink)}.header-inner{min-height:88px;display:flex;justify-content:space-between;align-items:center;gap:28px;padding-inline:var(--gutter);border-bottom:1px solid var(--rule)}.identity{display:flex;align-items:center;gap:17px;min-width:0}.identity-copy{display:block}.department{display:block;color:var(--paper);font-size:21px;line-height:1.15;letter-spacing:-.035em;font-weight:600}.university{display:block;color:#b9c4b7;font-size:10px;line-height:1.5;letter-spacing:.045em;margin-top:7px}.brand-break{display:none}.brand-logo{display:block;width:60px;aspect-ratio:1;height:auto;flex:none;background:var(--accent);-webkit-mask-image:url("assets/kroo-logo-source.png");mask-image:url("assets/kroo-logo-source.png");-webkit-mask-repeat:no-repeat;mask-repeat:no-repeat;-webkit-mask-position:center;mask-position:center;-webkit-mask-size:contain;mask-size:contain}
.main-nav{display:flex;align-items:center;gap:clamp(20px,2.5vw,39px);font-size:12px}.main-nav a{min-height:44px;display:flex;align-items:center;border-bottom:1px solid transparent}.main-nav a:hover{color:var(--accent);border-color:var(--accent)}.menu-toggle{display:none;align-items:center;gap:20px;min-width:44px;min-height:44px;color:var(--paper);background:transparent;border:0;padding:10px 0 10px 12px;font-size:12px}.menu-toggle span{font-size:21px;line-height:1}
.hero{width:100%;background:#000}.hero-copy{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:78px;padding:16px var(--gutter);background:var(--night)}.hero-introduction{display:flex;align-items:center;gap:30px;min-width:0}.hero h1{font-size:39px;line-height:1.05;font-weight:500;letter-spacing:-.06em;margin:0;white-space:nowrap}.hero h1 span{color:var(--accent)}.hero-description{font-size:11px;line-height:1.55;color:#b9c4b7;max-width:300px;margin:0}.feature-link{display:inline-flex;align-items:center;gap:20px;min-height:44px;font-size:10px;color:var(--paper);flex:none}.feature-link>span:last-child{font-size:18px;color:var(--accent)}.feature-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:5px}
.scientific-figure{margin:0;width:100%;min-width:0}.scientific-frame{display:grid;width:100%;height:calc(100svh - 250px);min-height:340px;background:#000;isolation:isolate}.scientific-frame video,.scientific-frame img{grid-area:1/1;width:100%;height:100%;min-height:0;object-fit:contain;object-position:center;background:#000}.motion-meta{display:flex;justify-content:flex-end;align-items:center;min-height:44px;padding-inline:var(--gutter);background:#000}.motion-toggle{min-width:44px;min-height:44px;padding:9px 0 9px 14px;border:0;background:transparent;color:#b3bdb2;font-size:10px;text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:5px}.motion-toggle:hover{color:var(--accent)}
.site-footer{display:flex;justify-content:space-between;align-items:center;gap:20px;min-height:40px;padding-inline:var(--gutter);border-top:1px solid var(--rule);background:var(--night);color:#a0aaa0;font-size:9px;line-height:1.5}.site-footer a{min-height:39px;display:flex;align-items:center;gap:9px}.site-footer a:hover{color:var(--accent)}.site-footer a span{color:#677264}
@media(min-width:1600px){.department{font-size:24px}.university{font-size:11px}.hero h1{font-size:42px}.hero-description{font-size:12px;max-width:335px}.feature-link{font-size:11px}}
@media(max-width:1050px){.department{font-size:19px}.university{font-size:9px}.main-nav{gap:21px;font-size:11px}.brand-logo{width:58px}.identity{gap:13px}.hero-introduction{gap:23px}.hero h1{font-size:35px}.hero-description{font-size:10px;max-width:265px}}
@media(max-width:820px){.header-inner{min-height:88px;flex-wrap:wrap;gap:0}.department{font-size:20px}.university{font-size:9px}.menu-toggle{display:flex}.main-nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;padding:0 0 18px}.menu-open .main-nav{display:flex}.main-nav a{font-size:15px;min-height:44px;border-bottom:0}.main-nav a:hover{text-decoration:underline;text-underline-offset:5px}.hero-copy{min-height:84px;gap:20px}.hero-introduction{display:block}.hero h1{font-size:34px}.hero-description{margin-top:8px;max-width:285px;font-size:10px}.feature-link{font-size:9px;gap:13px}.scientific-frame{height:calc(100svh - 256px);min-height:340px}}
@media(max-width:600px){.header-inner{min-height:93px;padding-block:13px}.department{font-size:19px;line-height:1.15}.brand-break{display:block}.university{font-size:8px;letter-spacing:.02em;margin-top:5px}.identity{gap:11px;max-width:calc(100% - 63px)}.brand-logo{width:48px}.menu-toggle{font-size:10px;gap:11px;padding-left:5px}.hero-copy{align-items:flex-start;min-height:0;padding-block:17px 15px;gap:12px}.hero h1{font-size:32px}.hero-description{max-width:240px;font-size:10px;line-height:1.55;margin-top:8px}.feature-link{max-width:95px;align-items:flex-start;gap:8px;font-size:9px;line-height:1.55;padding-top:3px;min-height:44px}.feature-link>span:last-child{font-size:16px}.scientific-frame{height:auto;min-height:0;aspect-ratio:76/47}.scientific-frame video,.scientific-frame img{width:100%;height:100%;object-fit:contain}.motion-meta{min-height:44px}.site-footer{font-size:8px;gap:12px;min-height:44px}.site-footer a{min-height:43px;gap:6px}}
@media(max-width:370px){.department{font-size:17px}.university{font-size:7px}.brand-logo{width:39px}.identity{gap:8px}.hero h1{font-size:30px}.hero-description{max-width:185px}.feature-link{max-width:89px;font-size:8px}.site-footer{font-size:8px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}