:root{color-scheme:dark;--bg:#10131b;--panel:#151923;--ink:#f3f5ed;--muted:#a5adbc;--lime:#c7ff4d;--line:#2a303d;--display:"Space Grotesk",sans-serif;--body:"Inter",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a{color:inherit;text-decoration:none}button{color:inherit}img{display:block;max-width:100%}button,a{touch-action:manipulation}button:focus-visible,a:focus-visible,[tabindex]:focus-visible{outline:2px solid var(--lime);outline-offset:5px}::selection{background:var(--lime);color:var(--bg)}.shell{width:min(1240px,calc(100% - 80px));margin-inline:auto}.skip{position:absolute;top:-100px;left:20px;background:var(--lime);color:var(--bg);padding:14px;z-index:20}.skip:focus{top:10px}.masthead{height:110px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:inline-flex;align-items:center;gap:12px;font:600 27px var(--display);letter-spacing:-.055em}.brand img{width:36px;height:36px;object-fit:contain}.masthead nav{display:flex;align-items:center;gap:34px;font-size:13px;font-weight:500}.nav-link{color:var(--muted)}.nav-link:hover{color:var(--ink)}.app-link{display:flex;align-items:center;gap:22px;min-height:44px;padding:0 17px;border:1px solid var(--line);border-radius:5px}.app-link:hover{border-color:var(--lime)}.hero{padding-top:78px}.intro{display:grid;grid-template-columns:1.65fr 1fr;gap:60px;align-items:end}.eyebrow{margin:0 0 22px;color:var(--muted);font-size:10px;font-weight:600;letter-spacing:.16em;text-transform:uppercase}h1,h2{font-family:var(--display);font-weight:500;letter-spacing:-.06em}h1{margin:0;font-size:clamp(48px,6.6vw,88px);line-height:1.04}h1 span{color:var(--lime)}.hero-copy{padding-bottom:7px}.lead{color:#bdc4cf;font-size:17px;line-height:1.7;max-width:32ch;margin:0 0 25px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;min-height:48px;padding:0 21px;background:var(--lime);color:var(--bg);border-radius:5px;font-size:13px;font-weight:600;transition:background .15s,transform .15s}.button:hover{background:#ddff91;transform:translateY(-2px)}.preview-note{display:flex;align-items:center;gap:10px;margin-top:43px;margin-bottom:14px;color:var(--muted);font-size:11px}.status-dot{width:5px;height:5px;background:var(--lime);border-radius:50%}.note-divider{color:#4d5666;padding:0 3px}.hero-figure{margin:0}.image-button{position:relative;display:block;width:100%;padding:0;border:1px solid var(--line);border-radius:8px;background:var(--panel);overflow:hidden;cursor:zoom-in}.image-button img{width:100%;height:auto}.enlarge{position:absolute;right:15px;bottom:15px;display:grid;place-items:center;width:36px;height:36px;background:var(--bg);border:1px solid #5a6579;border-radius:4px;color:var(--lime);font-size:18px;transition:background .15s}.image-button:hover .enlarge{background:var(--lime);color:var(--bg)}figcaption{display:flex;justify-content:space-between;align-items:center;gap:15px;padding-top:15px;font-size:12px;color:#bdc4cf}.caption-meta{color:#818c9f;font:10px var(--body)}.workspace{padding-top:112px}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:42px}.section-heading .eyebrow{margin-bottom:14px}h2{font-size:clamp(34px,4vw,48px);line-height:1.1;margin:0}.section-intro{font-size:14px;line-height:1.75;color:var(--muted);max-width:37ch;margin:0}.workspace-layout{display:grid;grid-template-columns:280px minmax(0,1fr);gap:42px}.tabs{display:flex;flex-direction:column}.tabs button{display:flex;align-items:center;gap:15px;text-align:left;min-height:60px;padding:0 5px;background:none;border:0;border-bottom:1px solid var(--line);cursor:pointer;font-size:13px;color:#a9b3c3}.tab-number{font-size:10px;color:#788394;font-variant-numeric:tabular-nums}.tab-arrow{margin-left:auto;font-size:18px;opacity:0}.tabs button:hover{color:var(--ink)}.tabs button[aria-selected=true]{color:var(--lime)}.tabs button[aria-selected=true] .tab-number{color:var(--lime)}.tabs button[aria-selected=true] .tab-arrow{opacity:1}.screen-description{color:var(--muted);font-size:12px;line-height:1.85;margin:30px 0 0;max-width:31ch}.workspace-panel{margin:0;min-width:0}.gallery-image{aspect-ratio:16/10}.gallery-image img{height:100%;object-fit:cover;object-position:top}.closing{margin-top:100px;padding-top:62px;padding-bottom:75px;border-top:1px solid var(--line)}.closing h2{max-width:20ch}.closing p:not(.eyebrow){color:var(--muted);font-size:14px;line-height:1.85;margin-top:24px;margin-bottom:25px}.button-secondary{background:transparent;border:1px solid #505b6e;color:var(--ink)}.button-secondary:hover{background:var(--panel);border-color:var(--lime)}footer{display:flex;justify-content:space-between;align-items:center;gap:25px;min-height:110px;border-top:1px solid var(--line);font-size:11px;color:var(--muted)}.footer-brand{font-size:21px;color:var(--ink)}.footer-brand img{width:24px;height:24px}footer>a:last-child:hover{color:var(--lime)}dialog{padding:0;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--ink);width:min(1500px,96vw);max-width:96vw;max-height:94vh}dialog::backdrop{background:rgba(3,5,10,.9)}.dialog-toolbar{position:sticky;top:0;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:58px;padding:0 18px;background:var(--bg);border-bottom:1px solid var(--line);font-size:12px}.dialog-toolbar>span{max-width:65%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.dialog-toolbar button{min-height:44px;min-width:74px;padding:0 8px;border:0;background:transparent;cursor:pointer;font-size:12px;color:var(--lime)}.dialog-toolbar button span{margin-left:12px;font-size:20px}.dialog-image-wrap img{width:100%;height:auto}.dialog-image-wrap{background:var(--bg)}body.modal-open{overflow:hidden}
@media(min-width:1550px){.intro{gap:100px}.hero{padding-top:100px}}
@media(max-width:1000px){.shell{width:calc(100% - 48px)}.intro{gap:32px;grid-template-columns:1.5fr 1fr}h1{font-size:clamp(46px,6.5vw,74px)}.lead{font-size:15px}.workspace-layout{grid-template-columns:230px minmax(0,1fr);gap:25px}.section-intro{max-width:29ch}.workspace{padding-top:85px}}
@media(max-width:700px){.shell{width:calc(100% - 36px)}.masthead{height:84px}.brand{font-size:24px;gap:9px}.brand img{width:30px;height:30px}.masthead nav{gap:0}.nav-link{display:none}.app-link{padding:0 11px;font-size:11px;gap:9px}.hero{padding-top:49px}.intro{display:block}.eyebrow{font-size:9px;letter-spacing:.12em;margin-bottom:18px}h1{font-size:clamp(39px,9.6vw,63px)}.hero-copy{margin-top:27px;padding:0}.lead{font-size:15px;max-width:37ch;margin-bottom:20px}.button{font-size:12px;min-height:46px}.preview-note{margin-top:31px;gap:7px;font-size:9px;flex-wrap:wrap}.enlarge{width:30px;height:30px;right:9px;bottom:9px}.image-button{border-radius:5px}figcaption{font-size:10px;line-height:1.5;padding-top:10px}.caption-meta{font-size:8px}.workspace{padding-top:65px}.section-heading{display:block;margin-bottom:25px}.section-intro{margin-top:18px;font-size:13px;max-width:36ch}h2{font-size:35px}.workspace-layout{display:flex;flex-direction:column;gap:23px}.tabs{display:grid;grid-template-columns:1fr 1fr;column-gap:15px}.tabs button{font-size:11px;min-height:49px;gap:8px}.tab-number{font-size:9px}.tab-arrow{font-size:15px}.screen-description{font-size:12px;margin-top:18px;max-width:45ch;min-height:44px}.gallery-image{aspect-ratio:16/11}.closing{margin-top:65px;padding-top:40px;padding-bottom:45px}.closing h2{font-size:36px}.closing p:not(.eyebrow){font-size:13px}footer{min-height:105px;flex-wrap:wrap;padding-block:24px;gap:15px;font-size:10px}footer .footer-brand{margin-right:auto}footer>a:last-child{width:100%;font-size:11px}.dialog-toolbar{font-size:10px;padding:0 10px}.dialog-toolbar button{min-width:65px}dialog{width:96vw}}
.authoring{margin-top:86px;padding-block:44px;display:grid;grid-template-columns:1.65fr 1fr;align-items:center;gap:60px;border-block:1px solid var(--line)}.authoring .eyebrow{margin-bottom:17px}.authoring h2{font-size:clamp(34px,4.2vw,54px);line-height:1.12}.authoring h2 span{color:var(--lime)}.authoring-copy p{color:var(--muted);font-size:15px;line-height:1.85;margin:0;max-width:38ch}
@media(max-width:1000px){.authoring{grid-template-columns:1.5fr 1fr;gap:32px;margin-top:68px}.authoring-copy p{font-size:14px}}
@media(max-width:700px){.authoring{display:block;margin-top:49px;padding-block:33px}.authoring h2{font-size:35px}.authoring-copy{margin-top:23px}.authoring-copy p{font-size:14px;max-width:40ch}.authoring .eyebrow{font-size:9px}}
.authoring-examples{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}.authoring-examples figure{margin:0;min-width:0}
@media(max-width:700px){.authoring-examples{grid-template-columns:1fr;margin-top:28px;gap:28px}}
.authoring{grid-template-columns:.85fr 1.4fr;gap:64px;align-items:center}.authoring-body{color:var(--muted);font-size:15px;line-height:1.85;margin:24px 0 0;max-width:35ch}.bounded{margin-top:80px;padding-bottom:65px;border-bottom:1px solid var(--line);display:grid;grid-template-columns:.85fr 1.4fr;gap:64px;align-items:center}.bounded .eyebrow{margin-bottom:18px}.bounded h2{color:var(--lime);font-size:clamp(34px,4vw,48px)}.bounded figure{margin:0;min-width:0}.material-viewer{min-width:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel)}.material-header{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:17px 20px;border-bottom:1px solid var(--line);font-size:11px}.material-sample{color:var(--muted);font-size:9px}.material-header>span:last-child{color:var(--lime);font-size:10px}.material-stage{height:380px;position:relative;background:#141824;overflow:hidden}.material-stage canvas[hidden]{visibility:hidden}.material-stage canvas{display:block;width:100%;height:100%;touch-action:pan-y;cursor:grab}.material-stage canvas:active{cursor:grabbing}.material-stage>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#141824}.material-stage>img[hidden]{display:none}.material-viewer[data-render-state=ready] .material-hint{display:block}.material-hint{display:none;position:absolute;bottom:14px;left:20px;font-size:10px;color:var(--muted);pointer-events:none}.material-controls{display:flex;align-items:center;gap:20px;padding:12px 20px;border-block:1px solid var(--line)}.material-controls label{display:flex;align-items:center;gap:10px;font-size:10px;color:var(--muted);min-width:0}.material-controls input{width:90px;min-width:45px;accent-color:var(--lime)}.material-controls button{min-height:44px;margin-left:auto;padding:0 10px;border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:11px}.material-swatches{display:flex;gap:10px;overflow-x:auto;overscroll-behavior-x:contain;scroll-snap-type:x proximity;padding:16px 20px 12px;scrollbar-width:thin;scrollbar-color:#505b6e transparent}.material-swatches button{flex:0 0 118px;min-width:118px;padding:5px;border:1px solid var(--line);border-radius:5px;background:transparent;text-align:left;cursor:pointer;scroll-snap-align:start}.material-swatches button[aria-pressed=true]{border-color:var(--lime)}.material-swatches button img{width:106px;height:78px;object-fit:cover;border-radius:2px}.material-swatches button span{display:block;padding:8px 3px 3px;font-size:10px;color:var(--muted)}.material-swatches button[aria-pressed=true] span{color:var(--lime)}.material-status{font-size:10px;line-height:1.5;color:var(--muted);min-height:15px;margin:0;padding:0 20px 14px}.material-controls button:disabled,.material-swatches button:disabled{cursor:default;opacity:.7}
@media(max-width:1000px){.authoring,.bounded{grid-template-columns:.85fr 1.4fr;gap:32px}.material-controls{gap:10px}.material-controls input{width:60px}.material-stage{height:340px}}
@media(max-width:700px){.authoring,.bounded{display:block}.authoring-body{font-size:14px;max-width:40ch}.material-viewer{margin-top:30px}.material-stage{height:320px}.material-header{padding:15px}.material-controls{padding:10px 15px;gap:12px}.material-controls input{width:65px}.material-swatches{padding-inline:15px}.material-status{padding-inline:15px}.bounded{margin-top:55px;padding-bottom:40px}.bounded h2{font-size:35px}.bounded figure{margin-top:28px}}

/* Paired, progressively enhanced authoring demos. */
.authoring{display:block;padding-block:44px}.authoring-intro{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:34px}.authoring-intro .eyebrow{width:100%;margin-bottom:-10px}.authoring-intro h2{margin:0}.authoring-intro .authoring-body{margin:0;max-width:28ch;font-size:14px}.authoring-previews{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;align-items:start}.authoring-feature{min-width:0}.authoring-feature h3{font:500 24px var(--display);letter-spacing:-.035em;margin:0 0 21px}.authoring-previews .material-viewer{margin-top:0}.authoring-previews .material-stage{height:260px}.authoring-previews .material-swatches{gap:8px}.authoring-previews .material-swatches button{flex-basis:94px;min-width:94px}.authoring-previews .material-swatches button img{width:82px;height:70px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}.sprite-mini{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:var(--panel);min-width:0}.sprite-mini select{border:1px solid var(--line);border-radius:4px;background:var(--bg);color:var(--lime);font:10px var(--body);padding:6px 10px;min-height:32px}.sprite-mini button{cursor:pointer;background:transparent;border:1px solid transparent;border-radius:4px;color:var(--muted);min-height:40px;min-width:40px;font-size:15px}.sprite-mini button:disabled,.sprite-mini select:disabled{cursor:default;opacity:.55}.sprite-mini button[aria-pressed=true]{border-color:#667239;color:var(--lime);background:#c7ff4d09}.sprite-mini-toolbar{display:flex;align-items:center;gap:7px;border-bottom:1px solid var(--line);padding:3px 14px}.sprite-mini-format{margin-left:auto;font:9px monospace;color:var(--muted)}.sprite-mini-palette{display:flex;gap:6px;margin-left:10px}.sprite-mini-palette button{background:var(--swatch);min-width:22px;width:22px;min-height:22px;height:22px;border:2px solid var(--panel);border-radius:3px}.sprite-mini-palette button[aria-pressed=true]{background:var(--swatch);outline:1px solid var(--lime);outline-offset:2px}.sprite-mini-stage{height:232px;display:grid;place-items:center;position:relative;background-color:#11151e;background-image:conic-gradient(#1a202b 25%,transparent 0 50%,#1a202b 0 75%,transparent 0);background-size:24px 24px;overflow:hidden}.sprite-mini-stage>canvas,.sprite-mini-stage>img{width:192px;height:192px;image-rendering:pixelated;max-width:none}.sprite-mini-stage>canvas{touch-action:none;cursor:crosshair}.sprite-mini-stage [hidden]{display:none}.sprite-mini-motion{height:96px;position:relative;overflow:hidden;background:#10151e;border-top:1px solid var(--line)}.sprite-mini-motion>canvas{display:block;width:100%;height:96px;image-rendering:pixelated}.sprite-mini-motion>img{position:absolute;left:calc(50% - 48px);top:0;image-rendering:pixelated;width:96px;height:96px}.sprite-mini-motion [hidden]{display:none}.sprite-mini-playbar{display:flex;align-items:center;gap:12px;padding:4px 15px;border-block:1px solid var(--line)}.sprite-mini-playbar>span{font:10px monospace;color:var(--muted)}.sprite-mini-playbar label{display:flex;align-items:center;gap:9px;margin-left:auto}.sprite-mini-playbar input{width:65px;accent-color:var(--lime)}.sprite-mini-playbar output{font:9px var(--body);color:var(--muted);min-width:33px}.sprite-mini-playbar #sprite-preview-reset{font-size:11px;margin-left:7px}.sprite-mini-frames{display:flex;gap:6px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#505b6e transparent;padding:12px 15px 13px;min-height:81px}.sprite-mini-frames>button,.sprite-mini-frames>img{flex:0 0 52px;width:52px;height:56px;border:1px solid var(--line);border-radius:4px;padding:2px;object-fit:contain;background:#10151e;image-rendering:pixelated}.sprite-mini-frames>button img{width:48px;height:48px;image-rendering:pixelated}.sprite-mini .material-status{min-height:30px;font-size:10px;padding-bottom:14px}.authoring input:focus-visible,.authoring select:focus-visible{outline:2px solid var(--lime);outline-offset:3px}
@media(max-width:1000px){.authoring-previews{gap:22px}.authoring-feature h3{font-size:22px}.material-controls{gap:9px}.material-controls input{width:55px}.sprite-mini-palette{margin-left:3px}.sprite-mini-toolbar{gap:3px;padding-inline:10px}.sprite-mini-playbar{gap:5px;padding-inline:10px}.sprite-mini-playbar input{width:48px}.sprite-mini-playbar #sprite-preview-reset{margin-left:0}.sprite-mini-format{font-size:8px}}
@media(max-width:700px){.authoring-intro{display:block;margin-bottom:28px}.authoring-intro .eyebrow{margin-bottom:18px}.authoring-intro .authoring-body{margin-top:18px;max-width:38ch}.authoring-previews{grid-template-columns:1fr;gap:34px}.authoring-feature h3{font-size:24px;margin-bottom:17px}.authoring-previews .material-stage{height:300px}.sprite-mini-stage{height:232px}.sprite-mini button{min-height:44px}.sprite-mini-palette button{min-width:26px;min-height:26px}.sprite-mini .material-header{padding-inline:15px}.sprite-mini select{min-height:40px}.sprite-mini-playbar input{width:60px}.sprite-mini-frames{padding-inline:12px}.sprite-mini-frames>button{min-height:56px}}


.material-picker{display:flex;gap:7px;overflow-x:auto;padding:12px 18px;border-bottom:1px solid var(--line);scrollbar-width:thin;scrollbar-color:#505b6e transparent;overscroll-behavior-x:contain}.material-picker button{flex:0 0 68px;width:68px;height:54px;position:relative;border:1px solid var(--line);border-radius:5px;background:#10151e;padding:0;overflow:hidden;cursor:pointer}.material-picker button img{display:block;width:96px;height:54px;max-width:none;margin-left:-14px;object-fit:cover}.material-picker button[aria-pressed=true]{border-color:var(--lime)}.material-picker button:disabled{cursor:default}.material-picker button::after{content:'';position:absolute;right:5px;bottom:5px;width:5px;height:5px;border-radius:50%;background:#667181}.material-picker button[data-load-state=ready]::after{background:var(--lime)}.material-picker button[data-load-state=failed]::after{background:#b27663}.material-picker button:focus-visible{outline:2px solid var(--lime);outline-offset:2px}.authoring-previews .material-swatches button{flex-basis:84px;min-width:84px}.authoring-previews .material-swatches button img{width:72px;height:66px}


.material-style-badge{display:inline-block;margin-left:9px;padding:4px 7px;border:1px solid #6f84424d;border-radius:4px;background:#c7ff4d09;color:#b6c99b;font:9px var(--body);line-height:1;letter-spacing:.02em;white-space:nowrap;vertical-align:middle}.material-style-badge[data-style="photoreal"]{border-color:#7da9ce55;background:#7da9ce0c;color:#a7c8e2}


/* Curated asset gallery: desktop grid, native swipe carousel on mobile. */
.asset-gallery{padding-block:48px 64px;border-top:1px solid var(--line)}
.asset-gallery-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px}
.asset-gallery-heading h2{font-size:36px;margin:0;letter-spacing:-.045em}
.asset-gallery-subtitle{margin:8px 0 0;color:var(--muted);font-size:15px;line-height:1.5}
.asset-gallery-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px 20px;padding:0;margin:0;list-style:none;position:relative}
.asset-card{min-width:0}
.asset-card-image{position:relative;display:block;width:100%;aspect-ratio:1;border:1px solid var(--line);border-radius:6px;background:#121721;padding:0;overflow:hidden;cursor:zoom-in}
.asset-card-image img{width:100%;height:100%;object-fit:contain;transition:transform .2s ease}
.asset-card-texture .asset-card-image img{object-fit:cover}
.asset-card-image:hover{border-color:#73864d}
.asset-card-image:hover img{transform:scale(1.025)}
.asset-card-image:focus-visible{outline-offset:3px}
.asset-card-caption{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding-top:11px;font-size:12px}
.asset-card-kind{color:var(--muted);font-size:9px;white-space:nowrap}
.asset-gallery-controls{display:none;align-items:center;gap:12px;color:var(--muted);font:10px var(--body)}
.asset-gallery-controls button{width:44px;height:44px;border:1px solid var(--line);border-radius:4px;background:transparent;color:var(--ink);cursor:pointer;font-size:18px}
.asset-gallery-controls button:disabled{opacity:.35;cursor:default}
@media(max-width:1000px){.asset-gallery-track{grid-template-columns:repeat(3,minmax(0,1fr));gap:22px 16px}}
@media(max-width:700px){.asset-gallery{padding-block:34px 44px}.asset-gallery-heading{gap:12px;flex-wrap:wrap;margin-bottom:20px}.asset-gallery-heading h2{font-size:30px}.asset-gallery[data-gallery-ready=true] .asset-gallery-controls{display:flex}.asset-gallery-track{display:grid;grid-template-columns:none;grid-auto-flow:column;grid-auto-columns:82%;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;overscroll-behavior-x:contain;scrollbar-width:thin;scrollbar-color:#505b6e transparent;padding:4px 4px 18px;scroll-padding-inline:4px}.asset-card{scroll-snap-align:start}.asset-card-caption{font-size:12px}.asset-card-image img{transition:none}.asset-gallery-track:focus-visible{outline-offset:2px}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}