@font-face{font-family:Space Grotesk;src:url('assets/space-grotesk-regular.ttf') format('truetype');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Space Grotesk;src:url('assets/space-grotesk-semibold.ttf') format('truetype');font-style:normal;font-weight:500 700;font-display:swap}
/* Design read: presentation-led robotics showcase. DESIGN_VARIANCE: 7; MOTION_INTENSITY: 5; VISUAL_DENSITY: 3.
   Native CSS, one monochrome theme across the page. Controls use 5px corners; video/play and small view controls use circles.
   Layer scale: stage detail 2, header 10, mobile menu 11, native dialogs top layer, toast 20. */
:root{--bg:#f8f8f6;--surface:#fff;--ink:#151515;--muted:#666663;--border:#deded9;--soft:#eeeee9;--button:#171717;--button-text:#fafaf8;--overlay:rgb(16 16 16 / .3);--page-gutter:clamp(24px,4.7vw,80px);--ease:cubic-bezier(.2,.7,.2,1);color-scheme:light}
:root[data-theme=dark]{--bg:#161716;--surface:#202120;--ink:#f3f3ef;--muted:#aaa9a3;--border:#383936;--soft:#252624;--button:#f0f0eb;--button-text:#161716;--overlay:rgb(0 0 0 / .6);color-scheme:dark}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Arial,Helvetica,sans-serif;-webkit-font-smoothing:antialiased;font-size:16px;transition:background .25s,color .25s}
body.modal-open{overflow:hidden}
button,input,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button{cursor:pointer;color:inherit}
a{color:inherit;text-decoration:none}
button{border:0}
img{max-width:100%;display:block}
button:disabled{cursor:default;opacity:.4}
button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--ink);outline-offset:5px}
button:active,.button:active{transform:scale(.98)}
::selection{background:var(--ink);color:var(--bg)}
[hidden]{display:none!important}
.icon{width:18px;height:18px;flex-shrink:0}
[data-theme=dark] .icon{filter:invert(1)}
.button-dark .icon{filter:invert(1)}
[data-theme=dark] .button-dark .icon{filter:none}
h1,h2,h3,p{margin:0}
h1,h2,h3,.brand,.eyebrow,.small-label,.hotspot,.explorer-topline,.video-caption span,.feature-dots,.footer-wordmark{font-family:Space Grotesk,Arial,sans-serif}
h1,h2,h3{font-weight:400}
.skip-link{position:fixed;top:12px;left:12px;transform:translateY(-200%);padding:14px;background:var(--ink);color:var(--bg);z-index:20}
.skip-link:focus{transform:translateY(0)}
.site-header{height:80px;max-width:1800px;margin:auto;padding:0 var(--page-gutter);display:flex;align-items:center;justify-content:space-between;gap:24px;position:relative;z-index:10}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-name{font-size:18px;font-weight:600;line-height:1.04;letter-spacing:-.8px}
.brand-mark{display:flex;align-items:flex-end;gap:3px;width:32px;height:31px;transform:skewY(-18deg)}
.brand-mark i{display:block;width:8px;background:var(--ink)}
.brand-mark i:nth-child(1){height:17px}.brand-mark i:nth-child(2){height:25px}.brand-mark i:nth-child(3){height:31px}
.main-nav{display:flex;align-items:center;gap:34px}
.nav-link,.theme-toggle{background:none;padding:10px 0;font-size:13px;white-space:nowrap}
.nav-link{position:relative}
.nav-link::after{content:'';position:absolute;bottom:4px;left:0;width:100%;height:1px;background:currentColor;transform:scaleX(0);transform-origin:left;transition:transform .25s}
.nav-link:hover::after{transform:scaleX(1)}
.theme-toggle{padding:10px;display:grid;place-items:center;margin-left:-14px}
.button{display:inline-flex;align-items:center;justify-content:center;gap:22px;border-radius:5px;font-size:13px;line-height:1.2;padding:17px 20px;min-height:48px;white-space:nowrap;transition:transform .2s,background .2s}
.button-dark{background:var(--button);color:var(--button-text)}
.button-dark:hover{opacity:.86}
.nav-contact{padding:14px 17px;gap:27px;min-height:46px}
.menu-toggle,.mobile-menu{display:none}
.hero{max-width:1800px;margin:0 auto;display:grid;grid-template-columns:43% 57%;align-items:center;min-height:min(740px,calc(100dvh - 80px));padding:4px var(--page-gutter) 45px;overflow:hidden}
.hero-copy{align-self:center;padding:0 0 54px;position:relative;z-index:1}
.eyebrow{text-transform:uppercase;letter-spacing:1.7px;font-size:10px;font-weight:400;color:var(--muted);margin-bottom:29px}
h1{font-size:clamp(45px,5.3vw,86px);letter-spacing:-.075em;line-height:1.06;max-width:650px}
.hero-description{color:var(--muted);font-size:17px;line-height:1.6;max-width:390px;margin-top:29px;padding-right:10px}
.hero-cta{margin-top:32px;gap:28px}
.robot-explorer{position:relative;min-width:0;align-self:stretch;display:flex;flex-direction:column;max-height:700px;padding-top:7px}
.robot-stage{position:relative;flex:1;min-height:450px;isolation:isolate;overflow:hidden}
.robot-plane{position:absolute;inset:0;transform-origin:50% 50%;transition:transform 1s var(--ease);will-change:transform;pointer-events:none}
.robot-image{width:100%;height:100%;object-fit:contain;object-position:50% 50%;user-select:none;opacity:0;transition:opacity .65s;mix-blend-mode:multiply}
[data-theme=dark] .robot-image{mix-blend-mode:normal;filter:brightness(.9)}
.robot-image.loaded{opacity:1}
.image-loading{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;gap:12px;color:var(--muted);font-size:12px}
.image-loading span{width:40px;height:2px;background:var(--border);overflow:hidden;position:relative}
.image-loading span::after{content:'';position:absolute;inset:0;background:var(--ink);animation:loading 1s infinite;transform-origin:left}
.hotspots{position:absolute;inset:0;transition:opacity .3s}
.hotspot{position:absolute;display:flex;align-items:center;gap:8px;border:1px solid var(--border);background:var(--surface);box-shadow:0 2px 7px rgb(80 80 75 / .05);font-size:10px;border-radius:5px;padding:7px 10px 7px 7px;white-space:nowrap;transition:transform .3s var(--ease),background .2s,box-shadow .2s;min-height:35px}
.hotspot:hover,.hotspot:focus-visible{transform:translateY(-3px);box-shadow:0 5px 16px rgb(80 80 75 / .11);background:var(--ink);color:var(--bg)}
.hotspot-dot{border:1px solid currentColor;opacity:.75;width:16px;height:16px;line-height:14px;text-align:center;border-radius:50%;font-family:Arial,sans-serif;font-size:13px}
.hotspot-perception{left:62%;top:16%}
.hotspot-arm{left:5%;top:37%}
.hotspot-hand{right:1%;top:40%}
.hotspot-joints{left:12%;top:76%}
.robot-explorer.focused .hotspots{opacity:0;pointer-events:none;visibility:hidden}
.feature-detail{position:absolute;left:15px;bottom:28px;max-width:270px;padding:20px 20px 18px;background:var(--surface);border:1px solid var(--border);border-radius:5px;box-shadow:0 8px 30px rgb(60 60 55 / .06);z-index:2;animation:detail-in .5s var(--ease)}
.detail-back{font-size:10px;display:flex;align-items:center;gap:7px;padding:0;background:none;color:var(--muted);margin-bottom:22px}
.detail-back .icon{width:13px;height:13px}
.feature-detail h2{font-size:25px;letter-spacing:-1px;line-height:1.1;margin-bottom:13px}
.feature-detail p{font-size:12px;line-height:1.65;color:var(--muted)}
.text-link{font-size:11px;padding:0;display:inline-flex;gap:10px;align-items:center;background:none;margin-top:19px}
.text-link .icon{height:13px;width:13px}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.feature-dots{display:flex;gap:9px;margin-top:24px}
.feature-dots button{width:23px;height:23px;padding:7px;background:none;border:1px solid transparent;border-radius:50%;position:relative}
.feature-dots button::after{content:'';position:absolute;inset:7px;background:var(--muted);border-radius:50%;opacity:.4}
.feature-dots button.active{border-color:var(--ink)}
.feature-dots button.active::after{background:var(--ink);opacity:1}
.explorer-bottomline{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:52px;padding:0 6px 0 10px}
.explorer-bottomline p{font-size:10px;color:var(--muted)}
.view-controls{display:flex;gap:2px;border:1px solid var(--border);border-radius:5px;padding:3px;background:var(--bg)}
.view-controls button{width:30px;height:28px;display:grid;place-items:center;background:none;border-radius:3px}
.view-controls button:hover{background:var(--soft)}
.view-controls .icon{width:15px;height:15px}
.page-section{max-width:1800px;margin:auto;padding-left:var(--page-gutter);padding-right:var(--page-gutter)}
.demos-section{padding-top:96px;padding-bottom:108px;border-top:1px solid var(--border)}
.section-heading{margin-bottom:49px}
.section-heading h2,.about-main h2,.contact-section h2{font-size:clamp(34px,4vw,61px);line-height:1.12;letter-spacing:-.065em}
.section-heading p{font-size:15px;line-height:1.6;color:var(--muted);margin-top:19px}
.demo-grid{display:grid;grid-template-columns:1fr 1fr;column-gap:26px;row-gap:49px}
.demo-card{min-width:0}
.video-poster{position:relative;display:block;width:100%;padding:0;background:var(--soft);overflow:hidden;border-radius:5px;aspect-ratio:16/9}
.video-poster>img{width:100%;height:100%;object-fit:cover;filter:grayscale(1);transition:transform .7s var(--ease),filter .5s}
.video-poster:hover>img,.video-poster:focus-visible>img{transform:scale(1.035);filter:grayscale(1)}
.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:59px;height:59px;display:grid;place-items:center;border-radius:50%;background:rgb(248 248 246 / .93);box-shadow:0 3px 18px rgb(0 0 0 / .1);transition:transform .25s}
.play-button img{width:21px;height:21px;margin-left:3px}
.video-poster:hover .play-button{transform:translate(-50%,-50%) scale(1.1)}
.video-duration{position:absolute;bottom:12px;right:12px;background:rgb(18 18 18 / .78);color:#fafaf8;font:10px Space Grotesk,Arial,sans-serif;line-height:1;padding:5px 7px;border-radius:3px}
.video-caption{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:20px}
.video-caption h3{font-size:20px;letter-spacing:-.6px;line-height:1.2}
.video-caption span{font-size:10px;color:var(--muted);white-space:nowrap}
.demo-card>p{font-size:12px;line-height:1.6;color:var(--muted);margin-top:10px}
.about-section{border-top:1px solid var(--border);padding-top:105px;padding-bottom:106px}
.about-main{max-width:870px}
.about-main .eyebrow{margin-bottom:30px}
.about-main h2{font-size:clamp(37px,4.6vw,72px)}
.about-copy{font-size:18px;line-height:1.7;color:var(--muted);max-width:650px;margin-top:27px}
.about-bottom{margin-top:68px}
.small-label{font-size:10px;color:var(--muted)}
.team-block h3{font-size:26px;letter-spacing:-1.1px;line-height:1.2}
.team-block>p{font-size:14px;line-height:1.7;max-width:390px;color:var(--muted);margin-top:15px}
.contact-section{border-top:1px solid var(--border);padding-top:70px;padding-bottom:77px;display:flex;align-items:center;justify-content:space-between;gap:30px}
.contact-section h2{font-size:clamp(30px,3.7vw,56px)}
.contact-large{width:max-content;max-width:100%;background:none;display:flex;gap:31px;align-items:center;padding:8px 0;border-bottom:1px solid var(--ink);font-size:16px;white-space:nowrap}
.contact-large img{width:23px;height:23px;transition:transform .25s}
[data-theme=dark] .contact-large img{filter:invert(1)}
.contact-large:hover img{transform:translate(3px,-3px)}
.site-footer{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:30px;max-width:1800px;margin:auto;padding:32px var(--page-gutter);border-top:1px solid var(--border)}
.footer-wordmark{font-size:16px;letter-spacing:-.7px}
.footer-links{display:flex;gap:25px;font-size:11px;color:var(--muted)}
.footer-links button{background:none;padding:0;color:inherit;font-size:inherit}
.footer-links a:hover,.footer-links button:hover{text-decoration:underline;text-underline-offset:4px}
.site-footer>p{font-size:9px;color:var(--muted);justify-self:end}
dialog{padding:0;color:var(--ink);background:var(--bg);border:1px solid var(--border);border-radius:8px;max-height:calc(100dvh - 48px);overflow:auto}
dialog::backdrop{background:var(--overlay);backdrop-filter:blur(7px)}
dialog[open]{animation:detail-in .3s var(--ease)}
.info-dialog{width:min(540px,calc(100% - 32px))}
.dialog-content{padding:55px 40px 38px;position:relative}
.dialog-close{position:absolute;right:18px;top:17px;display:grid;place-items:center;width:32px;height:32px;background:none;border-radius:4px}
.dialog-close:hover{background:var(--soft)}
.dialog-content h2{font-size:39px;line-height:1.1;letter-spacing:-1.7px;margin-bottom:20px}
.dialog-content p{font-size:14px;line-height:1.7;color:var(--muted);margin-bottom:20px}
.dialog-eyebrow{font:10px Space Grotesk,Arial,sans-serif;text-transform:uppercase;letter-spacing:1.2px;color:var(--muted);margin-bottom:22px}
.dialog-note{font-size:10px!important;border-top:1px solid var(--border);padding-top:19px;margin:26px 0 0!important}
.operations-list{display:flex;flex-direction:column;margin:22px 0 0}
.operations-list button{background:none;display:flex;text-align:left;justify-content:space-between;gap:12px;padding:18px 0;border-bottom:1px solid var(--border);font-size:13px}
.operations-list button:hover{color:var(--muted)}
.operations-list button span{font-size:10px;color:var(--muted)}
.video-dialog{width:min(1120px,calc(100% - 40px));overflow:hidden}
.video-dialog-header{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:19px 23px}
.video-dialog-header h2{font-size:18px;letter-spacing:-.6px}
.video-dialog-header button{background:none;padding:5px}
.video-frame{aspect-ratio:16/9;background:#161616}
.video-frame iframe{width:100%;height:100%;display:block;border:0}
.video-dialog-footer{padding:17px 23px;display:flex;justify-content:space-between;gap:20px;font-size:10px;color:var(--muted)}
.video-dialog-footer a{display:flex;gap:7px;align-items:center;color:var(--ink)}
.video-dialog-footer .icon{width:13px;height:13px}
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);z-index:20;background:var(--ink);color:var(--bg);padding:14px 21px;font-size:12px;border-radius:5px;max-width:calc(100% - 40px);text-align:center}
@keyframes fade-in{from{opacity:0}to{opacity:1}}
@keyframes detail-in{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes loading{0%,100%{transform:scaleX(.15);opacity:.4}50%{transform:scaleX(1);opacity:1}}
@media(prefers-reduced-motion:no-preference){.hero-copy{animation:detail-in .9s .05s var(--ease) both}.reveal{opacity:0;transform:translateY(22px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.reveal.visible{opacity:1;transform:translateY(0)}.demo-card:nth-child(even){transition-delay:.08s}}
@media(min-width:1600px){.hero{min-height:790px;max-height:880px}.hero-description{font-size:20px;max-width:450px}.robot-stage{min-height:570px}.hotspot{font-size:12px}.explorer-bottomline p,.explorer-topline{font-size:11px}}
@media(max-width:1100px){.main-nav{gap:24px}.hero{grid-template-columns:44% 56%;min-height:650px}.hero-description{font-size:15px;max-width:340px}.hero-copy{padding-bottom:42px}.robot-stage{min-height:440px}.hotspot{font-size:9px;padding:6px;gap:5px}.hotspot-perception{left:58%;top:18%}.hotspot-hand{right:0%;top:44%}.hotspot-arm{left:2%;top:38%}.hotspot-joints{left:6%;top:76%}.explorer-bottomline p{font-size:9px}.feature-detail{max-width:230px;left:3px;bottom:20px;padding:18px}.feature-detail h2{font-size:22px}.feature-detail p{font-size:11px}.hero h1{font-size:clamp(47px,5.35vw,64px)}}
@media(max-width:767px){:root{--page-gutter:24px}html{scroll-padding-top:35px}.site-header{height:85px;padding-top:3px}.brand-name{font-size:16px}.brand-mark{width:28px;height:28px;gap:3px}.brand-mark i{width:7px}.brand-mark i:nth-child(1){height:15px}.brand-mark i:nth-child(2){height:22px}.brand-mark i:nth-child(3){height:28px}.main-nav{gap:17px}.main-nav>.nav-link,.nav-contact{display:none}.theme-toggle{margin:0;padding:7px}.theme-toggle .icon{width:17px;height:17px}.menu-toggle{display:flex;flex-direction:column;justify-content:center;gap:5px;background:none;padding:10px 0 10px 5px;width:25px}.menu-toggle span{display:block;height:1px;width:20px;background:var(--ink)}.mobile-menu:not([hidden]){display:flex;position:absolute;top:78px;left:12px;right:12px;flex-direction:column;gap:0;padding:12px 20px;background:var(--surface);border:1px solid var(--border);border-radius:5px;z-index:11;box-shadow:0 12px 35px rgb(50 50 50 / .08)}.mobile-menu button,.mobile-menu a{font-size:15px;background:none;padding:17px 0;text-align:left;display:flex;justify-content:space-between;border-bottom:1px solid var(--border)}.mobile-menu a:last-child{border:0}.hero{display:grid;grid-template-columns:1fr;min-height:0;padding-top:38px;padding-bottom:35px;overflow:hidden}.hero-copy{padding:0;max-width:540px}.eyebrow{font-size:9px;margin-bottom:22px;letter-spacing:1.5px}.hero h1{font-size:clamp(42px,10.6vw,74px);letter-spacing:-.07em;line-height:1.06;max-width:650px}.hero-description{font-size:15px;line-height:1.65;max-width:420px;margin-top:24px;padding-right:0}.hero-cta{margin-top:25px;font-size:12px;padding:16px 18px;gap:27px}.robot-explorer{height:auto;min-height:430px;margin:42px -12px 0;max-height:none}.explorer-topline{padding-left:12px;padding-right:12px;font-size:9px}.concept-label{font-size:9px}.robot-stage{min-height:370px}.hotspot{font-size:9px;min-height:33px;padding:7px 8px}.hotspot-perception{left:57%;top:13%}.hotspot-arm{left:0%;top:37%}.hotspot-hand{right:0%;top:41%}.hotspot-joints{left:7%;top:76%}.explorer-bottomline{padding:3px 12px 0}.explorer-bottomline p{font-size:9px;line-height:1.6;max-width:200px}.feature-detail{max-width:210px;left:7px;bottom:14px;padding:15px}.detail-back{margin-bottom:15px}.feature-detail h2{font-size:22px}.feature-detail p{font-size:11px;line-height:1.65}.feature-detail .text-link{font-size:10px;margin-top:13px}.feature-dots{margin-top:16px}.demos-section{padding-top:60px;padding-bottom:68px}.section-heading{margin-bottom:31px}.section-heading h2{font-size:37px;max-width:300px}.section-heading p{font-size:13px;margin-top:18px}.demo-grid{grid-template-columns:1fr;gap:32px}.video-caption{margin-top:17px}.video-caption h3{font-size:20px}.video-caption span{font-size:9px}.demo-card>p{font-size:12px;margin-top:8px}.play-button{width:51px;height:51px}.play-button img{width:19px;height:19px}.about-section{padding-top:65px;padding-bottom:68px}.about-main h2{font-size:39px;letter-spacing:-.065em;line-height:1.12}.about-copy{font-size:15px;margin-top:24px;line-height:1.75}.about-bottom{grid-template-columns:1fr;gap:43px;margin-top:45px}.mission-note>p{font-size:22px;margin-top:14px}.team-block h3{font-size:25px}.team-block>p{font-size:13px}.team-placeholder-label{font-size:8px;max-width:60px;text-align:right}.contact-section{display:block;padding-top:48px;padding-bottom:52px}.contact-section h2{font-size:34px;max-width:290px;line-height:1.16}.contact-large{font-size:15px;margin-top:26px;gap:45px}.site-footer{grid-template-columns:1fr;gap:25px;padding-top:28px;padding-bottom:30px}.footer-wordmark{font-size:19px}.footer-links{gap:27px;font-size:11px}.site-footer>p{justify-self:start;font-size:9px;margin-top:3px}.dialog-content{padding:58px 25px 29px}.dialog-content h2{font-size:33px}.dialog-content p{font-size:13px}.video-dialog{width:calc(100% - 20px)}.video-dialog-header{padding:16px}.video-dialog-header h2{font-size:15px}.video-dialog-footer{font-size:9px;padding:15px;gap:15px;align-items:center}.video-dialog-footer>span{max-width:140px;line-height:1.5}}
@media(max-width:370px){:root{--page-gutter:20px}.hero h1{font-size:40px}.hero-description{font-size:14px}.robot-stage{min-height:340px}.hotspot{font-size:8px}.hotspot-dot{width:14px;height:14px;line-height:12px}.explorer-bottomline p{max-width:165px}.video-caption h3{font-size:18px}.video-caption span{font-size:8px}}

/* University marks retain their official geometry and use the page's monochrome palette. */
.university-logos{display:flex;align-items:center;gap:26px;flex-shrink:0}
.university-logo{display:block;height:auto;object-fit:contain;opacity:.8}
.berkeley-logo{width:126px;filter:invert(1)}
.stanford-logo{width:95px}
[data-theme=dark] .berkeley-logo{filter:none}
[data-theme=dark] .stanford-logo{filter:invert(1)}
.header-universities{margin-left:auto;margin-right:auto;padding:0 10px}
.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:22px}
.footer-universities{gap:23px}
.footer-universities .berkeley-logo{width:116px}
.footer-universities .stanford-logo{width:87px}
.team-block>.team-note{max-width:850px;font-size:15px;line-height:1.8;margin-top:19px}
.robot-explorer.focused .explorer-bottomline{justify-content:flex-end}
@media(max-width:960px){.site-header{display:grid;grid-template-columns:1fr auto;gap:18px 24px;height:auto;min-height:126px;padding-top:19px;padding-bottom:18px}.site-header>.brand{grid-row:1;grid-column:1}.main-nav{grid-row:1;grid-column:2}.header-universities{grid-row:2;grid-column:1/-1;justify-self:center;margin:0;padding:0}}
@media(max-width:767px){.site-header{row-gap:18px}.header-universities{gap:30px}.header-universities .berkeley-logo{width:116px}.header-universities .stanford-logo{width:87px}.mobile-menu:not([hidden]){top:calc(100% - 4px)}.hero{padding-top:28px}.about-bottom{margin-top:43px}.team-block>.team-note{font-size:14px;line-height:1.8}.footer-brand{gap:20px}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}.reveal{opacity:1;transform:none}.explorer-topline{opacity:1}}
