:root{color-scheme:dark;--bg:#060d17;--fg:#f3f6fc;--muted:#bac5d5;--line:#ffffff24;--warm:#ffb773;--cool:#91dcff;--accent:var(--cool);font-family:Inter,"Segoe UI",Arial,sans-serif;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,a{-webkit-tap-highlight-color:transparent}a:focus-visible{outline:2px solid var(--accent);outline-offset:6px}img{display:block;max-width:100%;object-fit:cover}h1,h2,h3,p{margin-top:0}h1,h2{font-family:"Trebuchet MS","Segoe UI",sans-serif;font-weight:500;letter-spacing:-.04em}h1{font-size:clamp(3.5rem,6.4vw,6rem);line-height:1.04;margin-bottom:28px}h2{font-size:clamp(2rem,3.2vw,3.4rem);line-height:1.12}h3{font-size:1.15rem;letter-spacing:-.02em}em{font-style:normal;color:var(--accent)}.warm,.games-portal{--accent:var(--warm)}.cool,.lab-portal{--accent:var(--cool)}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip{position:fixed;z-index:20;top:-100px;left:20px;padding:14px 20px;background:var(--fg);color:var(--bg)}.skip:focus{top:10px}.site-header{height:90px;padding:0 4%;display:flex;align-items:center;justify-content:space-between;gap:28px;position:relative;z-index:5;border-bottom:1px solid #ffffff0c;background:linear-gradient(#030a15a6,#030a1520)}.wordmark{font-size:20px;letter-spacing:.18em;font-weight:750;display:flex;align-items:center;white-space:nowrap;gap:10px}.brand-dot{width:5px;height:5px;border-radius:50%;background:var(--warm)}nav{display:flex;gap:32px;align-items:center}nav a{font-size:14px;color:#c6d4e7;position:relative;display:flex;align-items:center;min-height:44px}nav a:hover,nav a[aria-current]{color:var(--cool)}nav a[aria-current]:after{content:"";position:absolute;height:1px;background:var(--cool);bottom:2px;left:0;right:0}.header-note{font-size:9px;letter-spacing:.19em;color:#b6c4d8}.eyebrow{font-size:10px;letter-spacing:.22em;font-weight:600;color:var(--accent);margin-bottom:15px;line-height:1.7}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:28px 4%;border-top:1px solid var(--line);font-size:11px;color:#aab9cb;background:#060d17}.footer-brand{font-size:11px;letter-spacing:.17em;color:#dce5f1}.site-footer p{margin:0}.site-footer a:last-child:hover{color:var(--cool)}
/* One scene on desktop; deliberate city and observatory crops on small screens. */
.home .site-header{position:absolute;top:0;left:0;right:0}.horizon{isolation:isolate;position:relative;min-height:760px;height:100svh;max-height:1200px;display:flex;align-items:end;overflow:hidden;background:#030c19}.horizon-art{position:absolute;inset:0;z-index:-2;background-image:url("/assets/horizon.webp");background-size:cover;background-position:center 47%}.horizon:after{position:absolute;inset:0;content:"";z-index:-1;background:linear-gradient(180deg,#02091530 0%,transparent 40%,#02071110 53%,#020711c9 100%)}.portals{display:flex;align-items:end;justify-content:space-between;gap:70px;width:100%;padding:0 4% 8vh}.portal{width:38%;max-width:520px}.lab-portal{width:26%;max-width:340px}.portal h2{font-size:clamp(2.6rem,3.7vw,4rem);line-height:1;margin-bottom:20px;letter-spacing:.015em;text-shadow:0 2px 22px #000}.portal .eyebrow{font-size:9px;text-shadow:0 2px 8px #000;margin-bottom:10px}.home-games{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.project-card{display:block;border:1px solid color-mix(in srgb,var(--accent) 40%,transparent);border-radius:8px;overflow:hidden;background:#070f1cdc;transition:transform .2s,border-color .2s,box-shadow .2s}.project-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 12px 35px #0005}.card-art{overflow:hidden}.card-art img{width:100%;height:100%;transition:transform .5s}.project-card:hover img{transform:scale(1.035)}.compact .card-art{height:105px}.compact .card-art img{object-position:center 61%}.card-copy{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:15px 17px}.card-copy h3{margin:0 0 5px}.card-copy>span{color:var(--accent);font-size:19px}.status{font-size:12px;color:#cad8e8;letter-spacing:.015em}.status:before{content:"";display:inline-block;width:5px;height:5px;margin:0 7px 2px 0;background:var(--accent);border-radius:50%}.portal-button{display:flex;align-items:center;justify-content:space-between;gap:30px;border:1px solid var(--accent);border-radius:5px;padding:15px 20px;font-size:13px;color:var(--accent);background:#050d18bd;min-height:50px;transition:background .2s,transform .2s}.portal>.portal-button{margin-top:25px}.portal-button:hover{background:color-mix(in srgb,var(--accent) 14%,#060d17);transform:translateY(-2px)}.sentinel-art{height:105px;position:relative;display:flex;align-items:center;justify-content:space-around;background:radial-gradient(ellipse at 35% 65%,#19405d80,transparent 65%),linear-gradient(120deg,#0b1c2c,#030912);overflow:hidden}.sentinel-art>svg{width:34px;height:42px;color:#9ecaff}.monitor{width:100px;height:64px;position:relative;margin-top:-8px;border:3px solid #32475b;background:linear-gradient(145deg,#163048,#07101a);box-shadow:0 10px 25px #0008}.monitor:before{content:"";position:absolute;width:5px;height:12px;background:#33485c;top:100%;left:calc(50% - 2px)}.monitor:after{content:"";position:absolute;width:40px;height:3px;background:#435d76;top:calc(100% + 12px);left:calc(50% - 20px)}.monitor span{position:absolute;inset:10px;background:linear-gradient(135deg,transparent 48%,#77c7ff18 49%,transparent 51%)}.horizon-caption{position:absolute;bottom:22px;left:4%;right:4%;display:flex;justify-content:space-between;gap:20px;font-size:8px;letter-spacing:.23em;color:#c4d5e1b0}.home .site-footer{border-top-color:#ffffff10}
/* Shared inner pages. */
.inner{position:relative;isolation:isolate}.inner:before{content:"";position:absolute;top:0;left:0;right:0;height:850px;background:linear-gradient(180deg,#040c1866,#060d17 95%),url("/assets/horizon.webp") center top/cover no-repeat;z-index:-1;opacity:.64}.city-page:before{background-position:center,left top}.lab-page:before{background-position:center,right top}.content{max-width:1240px;margin:auto;padding:75px 40px 90px;min-height:calc(100svh - 170px)}.section-heading{max-width:720px;margin-bottom:45px}.lede{font-size:clamp(1.15rem,1.8vw,1.55rem);line-height:1.65;color:#d2dceb;letter-spacing:-.015em}.body-copy{font-size:16px;line-height:1.8;color:#c0ccdc;max-width:580px}.game-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.game-grid .card-art{aspect-ratio:16/9}.game-grid .card-copy{padding:24px 26px 12px}.game-grid h3{font-size:25px;font-weight:550}.card-description{padding:0 26px 24px;line-height:1.7;color:#bfcddd;font-size:14px;margin:0}.card-description span{display:block;color:var(--accent);margin-top:20px;font-size:12px}.art-note{font-size:11px;line-height:1.5;color:#a3b1c5;margin:18px 0 40px}.text-link{display:inline-flex;align-items:center;gap:22px;font-size:13px;color:var(--accent);line-height:1.6;padding:10px 0}.text-link:hover{color:#fff}.feature-panel{display:grid;grid-template-columns:1fr 1fr;align-items:center;border:1px solid #7bcef040;background:#071220df;border-radius:10px;overflow:hidden;transition:border-color .2s}.feature-panel:hover{border-color:var(--cool)}.feature-copy{padding:45px 45px 45px 15px}.feature-copy h2{margin:16px 0}.feature-copy p{max-width:390px;line-height:1.8;color:#c3d0e1;font-size:16px}.signal-art{position:relative;display:grid;place-items:center;min-height:350px;overflow:hidden;background:radial-gradient(ellipse,#19496c47,transparent 66%)}.signal-art>svg{width:90px;height:102px;color:var(--cool);filter:drop-shadow(0 0 28px #4dbeff40)}.orbit{position:absolute;border:1px solid #71bfea26;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);aspect-ratio:1}.orbit-one{width:160px}.orbit-two{width:240px}.orbit-three{width:320px;border-style:dashed}.signal-dot{position:absolute;width:6px;height:6px;background:#90d4ff;box-shadow:0 0 16px #90d4ff;border-radius:50%}.dot-one{left:calc(50% + 104px);top:calc(50% - 60px)}.dot-two{left:calc(50% - 70px);top:calc(50% + 42px)}.dot-three{left:calc(50% - 135px);top:calc(50% - 87px)}.quiet-section{padding-top:58px;margin-top:58px;border-top:1px solid var(--line)}.quiet-section>p:last-child{max-width:650px;line-height:1.8;color:#c0ccdc}.quiet-section h2{font-size:32px}.back-link{display:inline-block;font-size:12px;color:#c2d2e5;margin-bottom:45px;padding:8px 0}.back-link:hover{color:var(--accent)}.status-pill{display:inline-block;border:1px solid #ffffff29;background:#06111dc9;padding:8px 12px;border-radius:30px;margin-bottom:24px}.sentinel-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;align-items:center}.sentinel-intro .section-heading{margin-bottom:0}.sentinel-intro .signal-art{min-height:400px}.sentinel-intro h1{margin-bottom:20px}.ideas-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:38px;margin-top:35px}.index{font-size:10px;letter-spacing:.15em;color:var(--accent)}.ideas-grid h3{margin:20px 0 12px;font-weight:550}.ideas-grid p{font-size:14px;line-height:1.8;color:#bdccdd}.concept-note{border-left:2px solid #86ccf0;padding:20px 25px;margin:40px 0;background:#14283c66;max-width:850px}.concept-note p{font-size:14px;line-height:1.8;margin:12px 0 0;color:#c3d1e3}.project-detail{display:grid;grid-template-columns:.9fr 1.1fr;gap:60px;align-items:center}.project-detail h1{font-size:clamp(3rem,5vw,4.6rem)}.project-detail figure{margin:0}.project-detail img{width:100%;aspect-ratio:4/5;border-radius:8px;border:1px solid #ffffff29}.project-detail figcaption{font-size:10px;line-height:1.6;color:#aab8ca;margin-top:12px}.detail-copy .portal-button{margin-top:30px;max-width:300px}.next-project{padding-top:35px;border-top:1px solid var(--line);margin-top:70px}.next-project>a{font-size:28px;letter-spacing:-.02em}.next-project>a:hover{color:var(--warm)}.about-content{max-width:980px}.about-copy{max-width:640px;margin-left:auto}.about-copy p:not(.lede){font-size:16px;color:#c3cfdd;line-height:1.9}.about-links{display:flex;gap:20px;margin:45px 0 0 auto;max-width:640px}.about-links>a{flex:1}.not-found .portal-button{max-width:300px}
@media(min-width:1700px){.portals{padding-left:6%;padding-right:6%}.portal{width:34%}.lab-portal{width:25%}.compact .card-art,.sentinel-art{height:140px}}
@media(max-width:1100px){.header-note{display:none}.site-header{height:80px}.portal{width:45%}.lab-portal{width:30%}.portals{gap:35px}.compact .card-copy{padding:12px}.compact h3{font-size:16px}.content{padding-top:60px}.project-detail{gap:35px}}
@media(max-width:700px){.site-header{height:auto;min-height:110px;flex-direction:column;justify-content:center;gap:8px;padding:18px 20px 10px}.wordmark{font-size:17px}nav{gap:28px}nav a{font-size:13px;min-height:38px}.home .site-header{position:relative;background:#07101d}.horizon{height:auto;min-height:0;max-height:none;display:block;overflow:visible;background:#060d17}.horizon-art{display:none}.horizon:after{display:none}.portals{display:block;padding:0}.portal,.lab-portal{position:relative;isolation:isolate;width:100%;max-width:none;padding:260px 24px 38px;min-height:630px;background:linear-gradient(180deg,#060d1700 24%,#060d1740 48%,#060d17 100%)}.portal:before{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,transparent 25%,#040b1740 43%,#040b17ed 100%),url("/assets/horizon.webp") left 30%/auto 710px no-repeat}.lab-portal{padding-top:250px;min-height:590px;border-top:1px solid #ffffff17}.lab-portal:before{background-position:center,right 28%;background-size:auto,auto 690px}.portal h2{font-size:40px}.portal .eyebrow{font-size:9px}.home-games{gap:12px}.compact .card-art{height:115px}.compact .card-copy{padding:13px 12px}.compact .card-copy h3{font-size:16px}.compact .card-copy>span{font-size:16px}.portal>.portal-button{margin-top:20px}.sentinel-card{max-width:none}.sentinel-art{height:115px;justify-content:center;gap:75px}.horizon-caption{display:none}.site-footer{padding:25px 24px;display:grid;grid-template-columns:1fr 1fr;font-size:10px}.site-footer p{grid-column:1/-1;grid-row:2}.site-footer a:last-child{text-align:right;font-size:10px}.content{padding:45px 24px 60px;min-height:calc(100svh - 220px)}h1{font-size:clamp(2.9rem,12vw,4rem)}.section-heading{margin-bottom:35px}.game-grid{grid-template-columns:1fr;gap:25px}.game-grid .card-copy{padding:20px 20px 12px}.card-description{padding:0 20px 20px}.feature-panel{grid-template-columns:1fr}.signal-art{min-height:280px}.feature-copy{padding:0 26px 25px}.quiet-section{padding-top:35px;margin-top:35px}.quiet-section h2{font-size:29px}.sentinel-intro{grid-template-columns:1fr;gap:10px}.sentinel-intro .signal-art{min-height:290px}.ideas-grid{grid-template-columns:1fr;gap:20px}.ideas-grid article{border-bottom:1px solid var(--line);padding-bottom:10px}.project-detail{grid-template-columns:1fr;gap:35px}.project-detail img{aspect-ratio:4/3}.back-link{margin-bottom:30px}.about-copy{margin:30px 0 0}.about-links{flex-direction:column}.next-project{margin-top:40px}.inner:before{height:650px;opacity:.4}.lede{font-size:20px}}
@media(max-width:360px){.portal{padding-left:18px;padding-right:18px}.compact .card-copy h3{font-size:14px}.card-copy>span{display:none}nav{gap:23px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important}}

/* Preserve the real interface in project screenshots. */
.project-detail img{aspect-ratio:auto;height:auto;object-fit:contain}.project-detail figure>a{display:block}.compact .card-art img{object-position:center center}

/* Let the scene share the viewport with the footer, growing only for content. */
@media(min-width:701px){
 .home{min-height:100svh;min-height:100dvh;display:flex;flex-direction:column}
 .home .horizon{flex:1;height:auto;min-height:460px;max-height:none;padding-top:100px}
 .home .portals{padding-bottom:clamp(38px,5vh,60px)}
 .home .site-footer{flex:none;padding-top:15px;padding-bottom:15px}
 .home .horizon-caption{bottom:15px}
}
@media(min-width:701px) and (max-height:700px){
 .home .site-header{height:64px}
 .home .horizon{padding-top:84px}
 .home .portal h2{font-size:36px;margin-bottom:14px}
 .home .compact .card-art,.home .sentinel-art{height:80px}
 .home .compact .card-copy{padding:10px 14px}
 .home .portal>.portal-button{margin-top:16px;min-height:44px;padding:12px 18px}
 .home .portal .eyebrow{margin-bottom:8px}
}
@media(max-width:700px){
 .home .portal,.home .lab-portal{min-height:0;padding-top:clamp(24px,5svh,50px);padding-bottom:24px}
 .home .portal:before{background-size:auto,auto 530px}
 .home .portal h2{font-size:34px;margin-bottom:14px}
 .home .compact .card-art,.home .sentinel-art{height:85px}
 .home .portal>.portal-button{margin-top:16px}
 .home .site-footer{padding-top:18px;padding-bottom:18px}
}

/* Shared scale: the homepage is the reference for every destination. */
:root{--page-title:clamp(2.6rem,3.7vw,4rem);--card-title:1.15rem;--preview-height:105px;--page-gap:24px}
.inner{min-height:100svh;min-height:100dvh;display:flex;flex-direction:column}
.inner .site-header,.inner .site-footer{flex:none}
.inner .site-footer{padding-top:15px;padding-bottom:15px}
.inner .content{flex:1;width:100%;max-width:1440px;min-height:0;margin:0 auto;padding:32px 4%}
.inner h1,.inner .project-detail h1{font-size:var(--page-title);line-height:1.08;letter-spacing:.015em;margin-bottom:18px}
.inner h2,.inner .quiet-section h2{font-size:26px;line-height:1.2;margin-bottom:16px}
.inner h3,.inner .game-grid h3{font-size:var(--card-title);font-weight:600}
.inner .lede{font-size:16px;line-height:1.6;margin-bottom:16px}
.inner .body-copy,.inner .feature-copy p,.inner .about-copy p:not(.lede),.inner .quiet-section>p:last-child{font-size:14px;line-height:1.75}
.inner .section-heading{margin-bottom:var(--page-gap)}
.inner .eyebrow{font-size:9px;margin-bottom:10px}
.inner .game-grid{max-width:800px;gap:16px}
.inner .game-grid .card-art{height:var(--preview-height);aspect-ratio:auto}
.inner .game-grid .card-copy{padding:15px 17px}
.inner .card-description{font-size:13px;padding:0 17px 16px}
.inner .card-description span{margin-top:10px}
.inner .art-note{margin:14px 0 12px}
.inner .back-link{margin-bottom:20px}
.inner .status-pill{margin-bottom:16px}
.inner .feature-panel{max-width:800px;grid-template-columns:280px 1fr;border-radius:8px}
.inner .feature-copy{padding:20px 24px 20px 0}
.inner .feature-copy h2{margin:12px 0}
.inner .signal-art,.inner .sentinel-intro .signal-art{min-height:220px}
.inner .signal-art>svg{width:64px;height:74px}
.inner .orbit-one{width:110px}.inner .orbit-two{width:170px}.inner .orbit-three{width:220px}
.inner .quiet-section{padding-top:24px;margin-top:24px}
.inner .sentinel-intro{grid-template-columns:minmax(0,640px) minmax(220px,340px);gap:32px}
.inner .ideas-grid{gap:24px;margin-top:20px}
.inner .ideas-grid h3{margin:12px 0 8px}
.inner .ideas-grid p{font-size:13px;margin-bottom:0}
.inner .concept-note{padding:16px 20px;margin:24px 0 12px}
.inner .concept-note p{font-size:13px}
.inner .project-detail{grid-template-columns:minmax(0,520px) minmax(0,520px);gap:40px}
.inner .project-detail img{width:100%;height:auto;max-height:300px;object-fit:contain;background:#07121c}
.inner .detail-copy .portal-button{margin-top:20px}
.inner .next-project{padding-top:20px;margin-top:24px}
.inner .next-project>a{font-size:24px}
.inner .about-copy{margin:0;max-width:640px}
.inner .about-links{margin:24px 0 0;max-width:640px}
@media(min-width:1700px){:root{--preview-height:140px}}
@media(min-width:701px) and (max-height:700px){
 :root{--page-title:36px;--preview-height:80px;--page-gap:16px}
 .inner .site-header{height:64px}
 .inner .content{padding-top:20px;padding-bottom:20px}
 .inner .portal-button{min-height:44px;padding:12px 18px}
 .inner .game-grid .card-copy{padding:10px 14px}
 .inner .quiet-section{margin-top:18px;padding-top:18px}
}
@media(max-width:1100px){:root{--card-title:16px}}
@media(max-width:700px){
 :root{--page-title:34px;--preview-height:85px;--page-gap:20px}
 .inner .content{padding:24px}
 .inner .game-grid{gap:20px}
 .inner .feature-panel,.inner .sentinel-intro,.inner .project-detail{grid-template-columns:1fr;gap:20px}
 .inner .feature-copy{padding:0 20px 20px}
 .inner .signal-art,.inner .sentinel-intro .signal-art{min-height:200px}
 .inner .ideas-grid{grid-template-columns:1fr}
 .inner .site-footer{padding-top:18px;padding-bottom:18px}
}