/* ==========================================================================
   GEOLYTE™ — styles
   1. Base design system  2. Intro animation  3. Immersive layer  4. Gateway
   ========================================================================== */

:root{
  --graphite:#101820; --navy:#07121D; --ivory:#F5F7F8; --ice:#8EDCFF; --tech:#1677B8; --silver:#DCE4E9; --white:#fff;
  --line-d:rgba(142,220,255,.16); --line-l:rgba(16,24,32,.14);
  --sans:'Manrope','Inter',system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --serif:'Instrument Serif','Cormorant Garamond',Georgia,'Times New Roman',serif;
  --nav-h:72px; --ease:cubic-bezier(.22,.61,.36,1);
  --safe-t:env(safe-area-inset-top,0px); --safe-b:env(safe-area-inset-bottom,0px);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:calc(var(--nav-h) + 8px);-webkit-text-size-adjust:100%;height:100%}
body{margin:0;font-family:var(--sans);color:var(--graphite);background:var(--ivory);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;padding-top:var(--safe-t);padding-bottom:var(--safe-b);overflow-x:hidden}
img,svg,canvas{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4,p{margin:0}
:focus-visible{outline:2px solid var(--ice);outline-offset:3px;border-radius:2px}
.light :focus-visible{outline-color:var(--tech)}
.skip{position:absolute;left:12px;top:-60px;background:var(--ice);color:var(--navy);padding:10px 16px;z-index:200;font-weight:600;text-decoration:none;border-radius:2px}
.skip:focus{top:calc(10px + var(--safe-t))}
.wrap{width:min(1280px,100% - 48px);margin-inline:auto}
.label{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;font-weight:600;color:var(--tech)}
.dark .label{color:var(--ice)}
.serif{font-family:var(--serif);font-style:italic;font-weight:400}
.h2{font-size:clamp(2rem,4.6vw,4rem);line-height:1.02;font-weight:700;letter-spacing:-.03em;text-transform:uppercase}
.lead{font-size:clamp(1.02rem,1.3vw,1.2rem);color:rgba(16,24,32,.72);max-width:60ch}
.dark .lead{color:rgba(245,247,248,.72)}
section{position:relative}
.dark{background:var(--navy);color:var(--ivory)}
.light{background:var(--ivory);color:var(--graphite)}
.pad{padding:clamp(80px,11vw,160px) 0}
.label+h2{margin-top:18px}
h2+.lead,h2+.sub{margin-top:24px}
/* every section header: label + heading left, lead right, bottoms aligned */
.sec-head{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,5vw,80px);align-items:end;margin-bottom:clamp(40px,5vw,72px)}
.sec-head .lead{justify-self:end}

/* reveal */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease);transition-delay:var(--d,0s)}
.js .reveal.in{opacity:1;transform:none}

/* buttons */
.btn{--bg:var(--ice);--fg:var(--navy);display:inline-flex;align-items:center;gap:12px;padding:15px 26px;border:1px solid var(--bg);background:var(--bg);color:var(--fg);font-weight:600;font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;text-decoration:none;position:relative;overflow:hidden;transition:color .35s var(--ease),background .35s var(--ease),border-color .35s,transform .35s var(--ease);border-radius:2px;isolation:isolate}
.btn::before{content:"";position:absolute;inset:0;background:var(--white);transform:translateY(101%);transition:transform .45s var(--ease);z-index:-1}
.btn:hover::before{transform:none}
.btn .arr{transition:transform .35s var(--ease)}
.btn:hover .arr{transform:translateX(5px)}
.btn.ghost{--bg:transparent;--fg:var(--ivory);border-color:rgba(245,247,248,.35)}
.btn.ghost::before{background:var(--ivory)}
.btn.ghost:hover{color:var(--navy);border-color:var(--ivory)}
.light .btn.ghost{--fg:var(--graphite);border-color:var(--line-l)}
.btn.solid-dark{--bg:var(--graphite);--fg:var(--ivory);border-color:var(--graphite)}
.btn.solid-dark::before{background:var(--tech)}
.btn.sm{padding:11px 18px;font-size:.72rem}
.btn[disabled]{opacity:.6;cursor:progress}

/* progress + nav */
.progress{position:fixed;left:0;top:0;height:2px;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--tech),var(--ice));z-index:120}
.nav{position:fixed;inset:0 0 auto 0;z-index:100;height:calc(var(--nav-h) + var(--safe-t));padding-top:var(--safe-t);color:var(--ivory);transition:background .4s,backdrop-filter .4s,border-color .4s;border-bottom:1px solid transparent}
.nav.scrolled{background:rgba(7,18,29,.82);backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%);border-color:var(--line-d)}
.nav .in{height:var(--nav-h);display:flex;align-items:center;justify-content:space-between;gap:24px}
.logo img{height:30px;width:auto}
.nav ul{display:flex;gap:clamp(14px,2vw,32px);list-style:none;margin:0;padding:0}
.nav ul a{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;font-weight:600;text-decoration:none;opacity:.78;padding:8px 0;position:relative;transition:opacity .3s;white-space:nowrap}
.nav ul a::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:1px;background:var(--ice);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease)}
.nav ul a:hover,.nav ul a.active{opacity:1}
.nav ul a:hover::after,.nav ul a.active::after{transform:scaleX(1)}
.burger{display:none;width:44px;height:44px;background:none;border:0;position:relative}
.burger span{position:absolute;left:11px;right:11px;height:1.5px;background:currentColor;transition:transform .4s var(--ease),opacity .3s}
.burger span:nth-child(1){top:16px}.burger span:nth-child(2){top:22px}.burger span:nth-child(3){top:28px}
.menu-open .burger span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
.mobile{position:fixed;inset:0;background:var(--navy);z-index:99;padding:calc(var(--nav-h) + var(--safe-t) + 24px) 28px 40px;display:flex;flex-direction:column;justify-content:space-between;clip-path:circle(0 at calc(100% - 40px) 40px);visibility:hidden;transition:clip-path .7s var(--ease),visibility 0s .7s;overflow:auto}
.menu-open .mobile{clip-path:circle(150% at calc(100% - 40px) 40px);visibility:visible;transition:clip-path .7s var(--ease)}
.mobile a.l{display:block;font-size:clamp(1.6rem,7vw,2.4rem);font-weight:600;letter-spacing:-.02em;text-decoration:none;padding:12px 0;border-bottom:1px solid var(--line-d);color:var(--ivory);opacity:0;transform:translateY(14px);transition:opacity .5s,transform .5s var(--ease)}
.menu-open .mobile a.l{opacity:1;transform:none}
.menu-open .mobile a.l:nth-child(1){transition-delay:.2s}.menu-open .mobile a.l:nth-child(2){transition-delay:.26s}.menu-open .mobile a.l:nth-child(3){transition-delay:.32s}.menu-open .mobile a.l:nth-child(4){transition-delay:.38s}.menu-open .mobile a.l:nth-child(5){transition-delay:.44s}.menu-open .mobile a.l:nth-child(6){transition-delay:.5s}
.mobile .btn{margin-top:28px;justify-content:center}
.menu-open{overflow:hidden}

/* hero */
.hero{min-height:100svh;display:flex;align-items:center;padding:calc(var(--nav-h) + 56px) 0 72px;overflow:hidden;background:radial-gradient(1200px 700px at 78% 40%,rgba(22,119,184,.22),transparent 60%),var(--navy)}
.hero .gridlines{position:absolute;inset:0;background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);background-size:96px 96px;opacity:.35;mask-image:radial-gradient(ellipse at 60% 50%,#000 20%,transparent 75%);-webkit-mask-image:radial-gradient(ellipse at 60% 50%,#000 20%,transparent 75%)}
#heroFlow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(32px,6vw,96px);align-items:center}
.hero .eyebrow{display:flex;align-items:flex-start;gap:14px;margin-bottom:28px}
.hero .eyebrow::before{content:"";flex:0 0 40px;height:1px;margin-top:.8em;background:var(--ice)}
.hero h1{font-size:clamp(2.6rem,6.4vw,6.2rem);line-height:.96;font-weight:700;letter-spacing:-.04em;text-transform:uppercase}
.hero h1 .ln{display:block;overflow:hidden;padding-bottom:.06em}
.hero h1 .ln span{display:block;transform:translateY(105%);animation:rise 1.1s var(--ease) forwards}
.hero h1 .ln:nth-child(2) span{animation-delay:.14s;color:var(--ice)}
@keyframes rise{to{transform:none}}
.hero p.sub{margin-top:30px;max-width:54ch;font-size:clamp(1rem,1.25vw,1.15rem);color:rgba(245,247,248,.74)}
.hero .ctas{display:flex;flex-wrap:wrap;gap:14px;margin-top:40px}
.hero .facts{display:flex;flex-wrap:wrap;gap:12px 36px;margin-top:56px;padding-top:24px;border-top:1px solid var(--line-d)}
.hero .facts span{font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(245,247,248,.6);display:flex;gap:10px;align-items:center}
.hero .facts i{width:6px;height:6px;border-radius:50%;background:var(--ice);box-shadow:0 0 12px var(--ice)}
.frame{position:relative;justify-self:center;width:min(100%,430px);margin:0}
.frame .pic{aspect-ratio:2/3;overflow:hidden;border:1px solid var(--line-d);position:relative;background:#0b1a28}
.frame .pic img{width:100%;height:112%;object-fit:cover;will-change:transform}
.frame::before,.frame::after{content:"";position:absolute;width:22px;height:22px;border:1px solid var(--ice);z-index:2;pointer-events:none}
.frame::before{top:-9px;left:-9px;border-right:0;border-bottom:0}
.frame::after{bottom:-9px;right:-9px;border-left:0;border-top:0}
.frame .fig{position:absolute;left:0;right:0;bottom:-34px;display:flex;justify-content:space-between;font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:rgba(245,247,248,.55)}
.frame .pin{position:absolute;right:-14px;top:56%;transform:translateX(100%);display:none;align-items:center;gap:10px;font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ice);white-space:nowrap}
.frame .pin::before{content:"";width:48px;height:1px;background:var(--ice);margin-left:-58px}
.scrollhint{position:absolute;left:50%;bottom:22px;transform:translateX(-50%);font-size:.64rem;letter-spacing:.3em;text-transform:uppercase;color:rgba(245,247,248,.5);display:flex;flex-direction:column;align-items:center;gap:10px}
.scrollhint::after{content:"";width:1px;height:34px;background:linear-gradient(var(--ice),transparent);animation:drip 2.2s infinite}
@keyframes drip{0%{transform:scaleY(0);transform-origin:top}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}

/* marquee */
.marquee{background:var(--graphite);color:rgba(245,247,248,.55);overflow:hidden;border-block:1px solid var(--line-d);padding:18px 0;white-space:nowrap}
.marquee .track{display:inline-flex;gap:48px;animation:slide 60s linear infinite;padding-left:48px}
.marquee span{font-size:.72rem;letter-spacing:.3em;text-transform:uppercase;display:inline-flex;gap:48px;align-items:center}
.marquee span::after{content:"";width:5px;height:5px;border-radius:50%;background:var(--ice)}
@keyframes slide{to{transform:translateX(-50%)}}

/* technology */
.chapter{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:clamp(32px,6vw,96px);align-items:center;padding:clamp(40px,6vw,80px) 0;border-top:1px solid var(--line-l)}
.chapter.flip{grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr)}
.chapter.flip .vis{order:2}
.chapter .num{font-family:var(--serif);font-style:italic;font-size:clamp(3rem,6vw,5.5rem);line-height:1;color:var(--tech);opacity:.9}
.chapter h3{font-size:clamp(1.6rem,3vw,2.6rem);line-height:1.08;font-weight:700;letter-spacing:-.025em;margin:14px 0 18px;text-transform:uppercase}
.chapter p{color:rgba(16,24,32,.72);max-width:48ch}
.chapter .note{margin-top:22px;font-size:.78rem;color:rgba(16,24,32,.55);border-left:2px solid var(--tech);padding-left:14px;max-width:46ch}
.vis{position:relative}
.vis .box{position:relative;overflow:hidden;background:var(--navy);border:1px solid var(--line-l)}
.vis .cap{display:flex;justify-content:space-between;gap:12px;margin-top:12px;font-size:.66rem;letter-spacing:.18em;text-transform:uppercase;color:rgba(16,24,32,.55)}
.hot{position:absolute;width:30px;height:30px;margin:-15px 0 0 -15px;border-radius:50%;border:1px solid var(--ice);background:rgba(7,18,29,.55);backdrop-filter:blur(3px);display:grid;place-items:center;padding:0}
.hot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ice)}
.hot::after{content:"";position:absolute;inset:-6px;border-radius:50%;border:1px solid var(--ice);opacity:0;animation:ping 2.4s infinite}
@keyframes ping{0%{transform:scale(.7);opacity:.8}100%{transform:scale(1.5);opacity:0}}
.hot[aria-pressed=true]{background:var(--ice)}
.hot[aria-pressed=true]::before{background:var(--navy)}
.hotinfo{margin-top:14px;min-height:3.2em;font-size:.9rem;color:rgba(16,24,32,.8)}
.hotinfo b{color:var(--tech);letter-spacing:.14em;text-transform:uppercase;font-size:.7rem;display:block;margin-bottom:2px}
.ctrl-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:16px}
.chip{border:1px solid var(--line-l);background:transparent;padding:8px 14px;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;border-radius:2px;transition:background .3s,color .3s,border-color .3s}
.chip:hover{border-color:var(--tech)}
.chip[aria-pressed=true]{background:var(--graphite);color:var(--ivory);border-color:var(--graphite)}
input[type=range]{-webkit-appearance:none;appearance:none;height:28px;background:transparent;flex:1;min-width:140px;margin:0}
input[type=range]::-webkit-slider-runnable-track{height:2px;background:linear-gradient(90deg,var(--tech) var(--p,50%),rgba(128,150,170,.35) var(--p,50%))}
input[type=range]::-moz-range-track{height:2px;background:rgba(128,150,170,.35)}
input[type=range]::-moz-range-progress{height:2px;background:var(--tech)}
input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:18px;height:18px;border-radius:50%;background:var(--ivory);border:2px solid var(--tech);margin-top:-8px;box-shadow:0 0 0 4px rgba(22,119,184,.18)}
input[type=range]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:var(--ivory);border:2px solid var(--tech)}

/* lab */
.lab{background:radial-gradient(900px 600px at 30% 0%,rgba(22,119,184,.18),transparent 65%),#050d15}
.lab-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(320px,.8fr);gap:20px;align-items:stretch}
.stage{position:relative;min-height:clamp(440px,64vh,680px);border:1px solid var(--line-d);overflow:hidden;background:linear-gradient(180deg,rgba(16,24,32,.6),rgba(7,18,29,.9))}
.stage .sg{position:absolute;inset:0;background-image:linear-gradient(var(--line-d) 1px,transparent 1px),linear-gradient(90deg,var(--line-d) 1px,transparent 1px);background-size:44px 44px;opacity:.28;mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 80%);-webkit-mask-image:radial-gradient(circle at 50% 50%,#000 30%,transparent 80%)}
#labCanvas{position:absolute;inset:0;width:100%;height:100%;cursor:grab;touch-action:pan-y;outline-offset:-4px}
#labCanvas:active{cursor:grabbing}
.anno{position:absolute;left:0;top:0;pointer-events:none;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;color:var(--ice);opacity:0;transition:opacity .5s;white-space:nowrap;display:flex;align-items:center;gap:8px}
.anno::before{content:"";width:7px;height:7px;border:1px solid var(--ice);border-radius:50%;background:rgba(142,220,255,.25)}
.anno::after{content:"";width:26px;height:1px;background:var(--ice)}
.anno.on{opacity:1}.anno.soft{opacity:.38}
.stage .tag{position:absolute;left:16px;top:14px;font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(245,247,248,.6);display:flex;gap:10px;align-items:center;pointer-events:none}
.stage .tag i{width:6px;height:6px;border-radius:50%;background:var(--ice);animation:blink 2s infinite}
@keyframes blink{50%{opacity:.25}}
.toolbar{position:absolute;right:12px;top:12px;display:flex;flex-direction:column;gap:6px;align-items:flex-end}
.tb{display:flex;gap:4px;background:rgba(7,18,29,.7);border:1px solid var(--line-d);padding:3px;backdrop-filter:blur(8px)}
.tb button{background:none;border:0;padding:7px 10px;font-size:.62rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;color:rgba(245,247,248,.75);min-width:34px;min-height:34px}
.tb button:hover{background:rgba(142,220,255,.14);color:#fff}
.stage .hint{position:absolute;left:16px;bottom:12px;right:16px;font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;color:rgba(245,247,248,.5);pointer-events:none;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.fallback{position:absolute;inset:0;display:none;align-content:center;justify-items:center;text-align:center;padding:24px;gap:16px;background:#07121D}
.fallback.show{display:grid}
.fallback img{max-height:55%;object-fit:cover;border:1px solid var(--line-d)}
.fallback p{color:rgba(245,247,248,.7);max-width:44ch;font-size:.9rem}
.panel{border:1px solid var(--line-d);background:rgba(16,24,32,.55);padding:22px;display:flex;flex-direction:column;gap:22px}
.panel h3{font-size:.7rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ice);font-weight:600;margin-bottom:10px;display:flex;justify-content:space-between}
.seg{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line-d)}
.seg button{background:none;border:0;padding:12px 6px;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:rgba(245,247,248,.7);border-right:1px solid var(--line-d);transition:background .3s,color .3s}
.seg button:last-child{border-right:0}
.seg button[aria-checked=true]{background:var(--ice);color:var(--navy)}
.seg button:not([aria-checked=true]):hover{background:rgba(142,220,255,.1)}
.slider-row{display:flex;align-items:center;gap:14px}
.slider-row output{font-variant-numeric:tabular-nums;font-size:.85rem;min-width:3.4em;text-align:right;color:var(--ice)}
.dark input[type=range]::-webkit-slider-runnable-track{background:linear-gradient(90deg,var(--ice) var(--p,50%),rgba(142,220,255,.2) var(--p,50%))}
.dark input[type=range]::-moz-range-progress{background:var(--ice)}
.dark input[type=range]::-webkit-slider-thumb{background:var(--navy);border-color:var(--ice);box-shadow:0 0 0 4px rgba(142,220,255,.15)}
.dark input[type=range]::-moz-range-thumb{background:var(--navy);border-color:var(--ice)}
.switch{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:1px solid var(--line-d);padding:12px 14px;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600}
.switch .tr{width:40px;height:20px;border-radius:20px;border:1px solid var(--ice);position:relative;transition:background .3s}
.switch .tr::after{content:"";position:absolute;left:3px;top:3px;width:12px;height:12px;border-radius:50%;background:var(--ice);transition:transform .35s var(--ease),background .3s}
.switch[aria-checked=true] .tr{background:rgba(142,220,255,.25)}
.switch[aria-checked=true] .tr::after{transform:translateX(20px)}
.info{border-top:1px solid var(--line-d);padding-top:18px}
.info dl{display:grid;grid-template-columns:auto 1fr;gap:6px 18px;margin:0 0 14px;font-size:.78rem}
.info dt{color:rgba(245,247,248,.5);letter-spacing:.14em;text-transform:uppercase;font-size:.62rem;padding-top:3px}
.info dd{margin:0;text-align:right;font-weight:600}
.info p{font-size:.88rem;color:rgba(245,247,248,.78)}
.info .disc{margin-top:12px;font-size:.7rem;color:rgba(245,247,248,.45);line-height:1.5}
.disco{display:grid;gap:6px}
.disco button{display:flex;justify-content:space-between;align-items:center;gap:10px;text-align:left;background:none;border:1px solid var(--line-d);padding:11px 14px;font-size:.74rem;font-weight:600;letter-spacing:.06em;transition:background .3s,border-color .3s}
.disco button span:first-child{display:flex;gap:12px;align-items:center}
.disco b{color:var(--ice);font-weight:600;font-size:.68rem;letter-spacing:.14em}
.disco button:hover{border-color:var(--ice)}
.disco button[aria-pressed=true]{background:rgba(142,220,255,.12);border-color:var(--ice)}
.disco .plus{transition:transform .3s}
.disco button[aria-pressed=true] .plus{transform:rotate(45deg)}
.disco-txt{font-size:.86rem;color:rgba(245,247,248,.8);min-height:0;border-left:2px solid var(--ice);padding-left:14px;margin-top:6px;display:none}
.disco-txt.show{display:block}
.reset{margin-top:auto}

/* applications */
.apps{display:grid;grid-template-columns:repeat(12,1fr);grid-auto-rows:clamp(260px,26vw,360px);gap:14px}
.tile{position:relative;overflow:hidden;background:var(--navy);color:var(--ivory);isolation:isolate;outline-offset:-3px}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),filter .8s;z-index:-2}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,18,29,.05) 20%,rgba(7,18,29,.88));z-index:-1;transition:opacity .6s}
.tile .meta{position:absolute;left:22px;right:22px;bottom:20px}
.tile .n{font-size:.64rem;letter-spacing:.24em;color:var(--ice);margin-bottom:6px;display:block}
.tile h3{font-size:clamp(1.15rem,1.8vw,1.55rem);font-weight:700;letter-spacing:-.02em}
.tile p{font-size:.88rem;color:rgba(245,247,248,.82);max-height:0;opacity:0;overflow:hidden;transition:max-height .6s var(--ease),opacity .5s,margin .5s;margin-top:0;max-width:46ch}
.tile:hover p,.tile:focus-within p,.tile:focus p{max-height:120px;opacity:1;margin-top:8px}
.tile:hover img,.tile:focus img{transform:scale(1.06)}
.tile .corner{position:absolute;right:16px;top:16px;width:34px;height:34px;border:1px solid rgba(245,247,248,.35);display:grid;place-items:center;transition:background .4s,transform .4s var(--ease);font-size:.9rem}
.tile:hover .corner,.tile:focus .corner{background:var(--ice);color:var(--navy);transform:rotate(45deg)}
.t1{grid-column:1/8}.t2{grid-column:8/13}.t3{grid-column:1/6}.t4{grid-column:6/13}.t5{grid-column:1/8}.t6{grid-column:8/13}
.tile::before{content:"";position:absolute;inset:0;border:1px solid rgba(142,220,255,0);transition:border-color .5s;z-index:1;pointer-events:none}
.tile:hover::before,.tile:focus::before{border-color:rgba(142,220,255,.55)}
.apps-note{margin-top:22px;font-size:.78rem;color:rgba(16,24,32,.55)}

/* r&d */
.rnd{background:linear-gradient(180deg,#07121D,#0a1824)}
.rnd-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);margin-top:56px;align-items:start}
.steps{list-style:none;margin:0;padding:0;border-top:1px solid var(--line-d)}
.steps button{display:grid;grid-template-columns:48px 1fr auto;gap:16px;align-items:center;width:100%;background:none;border:0;border-bottom:1px solid var(--line-d);padding:20px 0;text-align:left;transition:color .3s,border-color .3s;color:rgba(245,247,248,.62)}
.steps button:hover{color:#fff}
.steps button[aria-selected=true]{color:#fff;border-bottom-color:var(--ice)}
.steps .no{font-family:var(--serif);font-style:italic;font-size:1.5rem;color:var(--ice)}
.steps .t{font-size:1.02rem;font-weight:600;letter-spacing:-.01em}
.steps .ar{opacity:0;transition:opacity .3s,transform .4s var(--ease);transform:translateX(-6px);color:var(--ice)}
.steps button[aria-selected=true] .ar{opacity:1;transform:none}
.detail{border:1px solid var(--line-d);padding:clamp(24px,3vw,40px);background:rgba(16,24,32,.5);position:relative;min-height:340px}
.detail svg{width:100%;height:140px;margin-bottom:22px}
.detail svg *{stroke:var(--ice);fill:none;stroke-width:1;vector-effect:non-scaling-stroke}
.detail h3{font-size:1.5rem;letter-spacing:-.02em;margin:12px 0 10px}
.detail p{color:rgba(245,247,248,.75);max-width:52ch}
.status{display:inline-block;font-size:.62rem;letter-spacing:.2em;text-transform:uppercase;border:1px solid var(--ice);color:var(--ice);padding:4px 10px}
.vs{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-d);border:1px solid var(--line-d);margin-top:clamp(56px,7vw,96px)}
.vs>div{background:#08141f;padding:28px}
.vs h4{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--ice);margin-bottom:12px}
.vs p{font-size:.92rem;color:rgba(245,247,248,.72)}
.vs ul{margin:12px 0 0;padding-left:18px;color:rgba(245,247,248,.72);font-size:.9rem}
.cta-row{margin-top:48px;display:flex;gap:16px;flex-wrap:wrap;align-items:center}

/* story */
.story{background:var(--graphite);color:var(--ivory);overflow:hidden}
.story .bg{position:absolute;inset:-8% 0;z-index:0}
.story .bg img{width:100%;height:100%;object-fit:cover;opacity:.32;filter:saturate(.7)}
.story .bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,var(--graphite) 10%,rgba(16,24,32,.55) 60%,var(--graphite))}
.story .wrap{position:relative;z-index:1}
.story h2{font-size:clamp(2.2rem,6vw,5.4rem);line-height:.98;font-weight:700;letter-spacing:-.04em;text-transform:uppercase;max-width:14ch}
.story h2 em{font-family:var(--serif);font-weight:400;text-transform:none;letter-spacing:-.02em;color:var(--ice)}
.story .sub{margin-top:32px;max-width:56ch;font-size:clamp(1.05rem,1.5vw,1.3rem);color:rgba(245,247,248,.8)}
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:clamp(56px,8vw,112px);border-top:1px solid var(--line-d)}
.pillars div{padding:28px 28px 0 0}
.pillars div+div{padding-left:28px;border-left:1px solid var(--line-d)}
.pillars .num{font-family:var(--serif);font-style:italic;color:var(--ice);font-size:1.4rem}
.pillars h3{font-size:1.2rem;margin:8px 0 8px;letter-spacing:-.01em;text-transform:uppercase}
.pillars p{font-size:.92rem;color:rgba(245,247,248,.7)}

/* contact */
.contact-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px)}
.contact .lead{margin-bottom:0}
.who{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.who .chip{cursor:default}
.contact .logo-d{height:34px;width:auto;margin-bottom:36px}
form{display:grid;grid-template-columns:1fr 1fr;gap:20px 18px}
.f{display:flex;flex-direction:column;gap:6px}
.f.full{grid-column:1/-1}
.f label{font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;font-weight:700;color:rgba(16,24,32,.7)}
.f label i{color:var(--tech);font-style:normal}
.f input,.f select,.f textarea{font:inherit;font-size:.98rem;padding:13px 14px;border:1px solid rgba(16,24,32,.22);background:#fff;color:var(--graphite);border-radius:2px;width:100%;transition:border-color .3s,box-shadow .3s}
.f textarea{min-height:140px;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--tech);box-shadow:0 0 0 3px rgba(22,119,184,.18)}
.f [aria-invalid=true]{border-color:#b3261e}
.err{font-size:.78rem;color:#b3261e;min-height:1em}
.hp{position:absolute;left:-9999px;opacity:0;height:0;width:0}
.status-box{grid-column:1/-1;padding:16px 18px;border:1px solid;font-size:.9rem;display:none;border-radius:2px}
.status-box.show{display:block}
.status-box.ok{border-color:#1b7f4b;background:#e8f6ee;color:#124d2f}
.status-box.bad{border-color:#b3261e;background:#fdecea;color:#7a1812}
.status-box button{margin-top:10px;background:none;border:1px solid currentColor;padding:7px 12px;font-size:.7rem;letter-spacing:.14em;text-transform:uppercase;font-weight:700;border-radius:2px}
.formfoot{grid-column:1/-1;display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.formfoot small{color:rgba(16,24,32,.55);max-width:42ch}
.spin{width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:rot .8s linear infinite;display:none}
.btn.loading .spin{display:inline-block}
@keyframes rot{to{transform:rotate(360deg)}}

/* footer */
footer{background:var(--navy);color:rgba(245,247,248,.75);padding:80px 0 36px;border-top:1px solid var(--line-d)}
.foot{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px}
footer .logo img{height:36px;margin-bottom:20px}
footer p{font-size:.9rem;max-width:36ch}
footer h4{font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--ice);margin-bottom:16px}
footer ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
footer a,footer .lnk{text-decoration:none;font-size:.92rem;background:none;border:0;padding:0;text-align:left;color:inherit;transition:color .3s}
footer a:hover,footer .lnk:hover{color:var(--ice)}
.base{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:64px;padding-top:24px;border-top:1px solid var(--line-d);font-size:.78rem;color:rgba(245,247,248,.5)}
.base nav{display:flex;gap:20px}
dialog{border:1px solid var(--line-d);background:var(--navy);color:var(--ivory);padding:32px;max-width:460px;width:calc(100% - 40px)}
dialog::backdrop{background:rgba(2,6,10,.7);backdrop-filter:blur(4px)}
dialog h3{margin-bottom:10px}dialog p{color:rgba(245,247,248,.75);margin-bottom:20px;font-size:.92rem}

@media (max-width:1100px){
  .nav ul{display:none}.nav .cta-nav{display:none}.burger{display:block}
  .lab-grid{grid-template-columns:1fr}
  .sec-head{grid-template-columns:1fr;gap:20px}
  .sec-head .lead{justify-self:start}
}
@media (min-width:1280px){.frame .pin{display:flex}}
@media (max-width:860px){
  .hero-in{grid-template-columns:1fr}
  .frame{width:min(100%,360px);margin-top:20px;margin-bottom:30px}
  .chapter,.chapter.flip{grid-template-columns:1fr}
  .chapter.flip .vis{order:0}
  .rnd-grid,.contact-grid,.foot{grid-template-columns:1fr}
  .pillars{grid-template-columns:1fr}
  .pillars div,.pillars div+div{padding:24px 0;border-left:0;border-bottom:1px solid var(--line-d)}
  .vs{grid-template-columns:1fr}
  .apps{grid-template-columns:1fr;grid-auto-rows:260px}
  .t1,.t2,.t3,.t4,.t5,.t6{grid-column:1}
  .tile p{max-height:120px;opacity:1;margin-top:8px}
  form{grid-template-columns:1fr}
  .scrollhint{display:none}
  .stage{min-height:460px}
}
@media (max-width:520px){.wrap{width:calc(100% - 32px)}.logo img{height:26px}.hero .ctas .btn{width:100%;justify-content:space-between}}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}
  .marquee .track{animation:none}
  .hero h1 .ln span{transform:none}
  .js .reveal{opacity:1;transform:none}
}

/* ===== GEOLYTE intro ===== */
:root{--o-img:url(../assets/logo-o.png);--mark-img:url(../assets/logo-white.png)}
html.intro-lock{overflow:hidden}
.intro{--iw:clamp(240px,58vw,660px);position:fixed;inset:0;z-index:1000;display:none;overflow:hidden;color:#F5F7F8}
html.intro-lock .intro{display:block}
.intro-bg{position:absolute;inset:0;background:radial-gradient(900px 620px at 50% 50%,#0c1c2c 0%,#07121D 58%,#03080d 100%)}
.intro-glow{position:absolute;left:50%;top:50%;width:78vmin;height:78vmin;margin:-39vmin 0 0 -39vmin;border-radius:50%;background:radial-gradient(circle,rgba(22,119,184,.34),rgba(22,119,184,.10) 38%,rgba(22,119,184,0) 68%);opacity:0;pointer-events:none}
.il-fly{position:absolute;left:50%;top:50%;width:var(--iw);height:calc(var(--iw)*0.2484076);margin:calc(var(--iw)*-0.1242038) 0 0 calc(var(--iw)/-2);will-change:transform}
.il-shift{width:100%;height:100%;will-change:transform}
.il-logo{position:relative;width:100%;height:100%}
.il-part{position:absolute;display:block;opacity:0;user-select:none;-webkit-user-drag:none;pointer-events:none}
.il-left{left:0.00000%;top:20.31558%;width:32.63106%;height:78.89546%}
.il-o{left:34.00294%;top:12.03156%;width:17.83439%;height:72.78107%;transform-origin:50% 50%}
.il-right{left:53.40519%;top:0.00000%;width:46.59481%;height:100.00000%}
.il-sweep,.il-sweep-o{position:absolute;opacity:0;pointer-events:none;background-repeat:no-repeat;background-size:300% 100%;background-position:110% 0;background-image:linear-gradient(100deg,transparent 38%,rgba(190,236,255,.9) 50%,transparent 62%)}
.il-sweep-o{left:34.00294%;top:12.03156%;width:17.83439%;height:72.78107%;-webkit-mask:var(--o-img) center/100% 100% no-repeat;mask:var(--o-img) center/100% 100% no-repeat}
.il-sweep{inset:0;-webkit-mask:var(--mark-img) center/100% 100% no-repeat;mask:var(--mark-img) center/100% 100% no-repeat}
.intro-skip{position:absolute;right:max(24px,env(safe-area-inset-right));bottom:max(24px,env(safe-area-inset-bottom));background:none;border:1px solid rgba(245,247,248,.22);color:rgba(245,247,248,.6);padding:10px 16px;font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600;border-radius:2px;transition:color .3s,border-color .3s;z-index:2}
.intro-skip:hover,.intro-skip:focus-visible{color:#fff;border-color:#8EDCFF}
/* website hidden while the intro plays, then revealed as the logo lands */
.intro-lock .nav .logo img{opacity:0}
.intro-hold .hero-in>*,.intro-hold .nav .in>nav,.intro-hold .nav .in>.cta-nav,.intro-hold .nav .in>.burger,.intro-hold .scrollhint{opacity:0}
.intro-hold .hero h1 .ln span{animation-play-state:paused}
@keyframes introIn{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}
@keyframes introFade{from{opacity:0}to{opacity:1}}
.intro-reveal .hero-in>:nth-child(1){animation:introIn 1.2s var(--ease) .30s both}
.intro-reveal .hero-in>:nth-child(2){animation:introIn 1.3s var(--ease) .48s both}
.intro-reveal .nav .in>nav,.intro-reveal .nav .in>.cta-nav,.intro-reveal .nav .in>.burger{animation:introIn 1s var(--ease) .35s both}
.intro-reveal .scrollhint{animation:introFade 1.2s ease .9s both}
@media (max-width:600px){.intro{--iw:78vw}}
@media (prefers-reduced-motion:reduce){.intro{display:none!important}}

/* GEOLYTE™ immersive layer — presentation only. Every rule is scoped under `html.gx`
   (class added by immersive.js), so if the script cannot run the original design is untouched. */
html.gx{--gx-line:rgba(142,220,255,.22)}
html.gx.gx-menu-open{overflow:hidden}

/* ---------- header: logo · CTA · ring menu button ---------- */
html.gx .nav ul,html.gx .nav .burger{display:none}
html.gx .mobile{display:none}
html.gx .nav .cta-nav{display:inline-flex}
html.gx .nav .in{gap:16px}
html.gx .nav .in>nav{margin-left:auto}
.gx-menu-btn{display:none;width:52px;height:52px;border-radius:50%;border:1px solid rgba(245,247,248,.4);background:rgba(7,18,29,.35);position:relative;padding:0;transition:border-color .35s,background .35s,transform .5s cubic-bezier(.22,.61,.36,1);flex:0 0 auto}
html.gx .gx-menu-btn{display:block}
.gx-menu-btn:hover{border-color:#8EDCFF;background:rgba(142,220,255,.12)}
.gx-menu-btn span{position:absolute;left:15px;right:15px;height:1.5px;background:#F5F7F8;transition:transform .45s cubic-bezier(.22,.61,.36,1),top .45s}
.gx-menu-btn span:nth-child(1){top:21px}.gx-menu-btn span:nth-child(2){top:29px}
.gx-menu-btn:hover span:nth-child(1){transform:translateX(-3px)}.gx-menu-btn:hover span:nth-child(2){transform:translateX(3px)}
@media (max-width:560px){html.gx .nav .cta-nav{display:none}}

/* ---------- full-screen menu ---------- */
.gx-menu{position:fixed;inset:0;z-index:900;background:#050d15;color:#F5F7F8;overflow:auto;clip-path:circle(0 at var(--gx-x,calc(100% - 48px)) var(--gx-y,46px));visibility:hidden;transition:clip-path .85s cubic-bezier(.65,0,.35,1),visibility 0s .85s;font-family:Manrope,system-ui,sans-serif}
html.gx-menu-open .gx-menu{clip-path:circle(150% at var(--gx-x,calc(100% - 48px)) var(--gx-y,46px));visibility:visible;transition:clip-path .95s cubic-bezier(.65,0,.35,1)}
.gx-menu::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 600px at 80% 20%,rgba(22,119,184,.22),transparent 65%);pointer-events:none}
.gx-menu-in{position:relative;min-height:100%;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:clamp(32px,6vw,110px);padding:clamp(96px,14vh,150px) clamp(24px,5vw,80px) 48px}
.gx-menu-main{display:grid;align-content:start}
.gx-menu-main a{display:flex;align-items:baseline;gap:18px;font-size:clamp(1.9rem,5vw,4.6rem);font-weight:700;letter-spacing:-.04em;line-height:1.02;text-transform:uppercase;text-decoration:none;color:#F5F7F8;padding:.14em 0;border-bottom:1px solid rgba(142,220,255,.14);opacity:0;transform:translateY(24px);transition:opacity .6s,transform .8s cubic-bezier(.22,.61,.36,1),color .3s,padding .5s cubic-bezier(.22,.61,.36,1)}
html.gx-menu-open .gx-menu-main a{opacity:1;transform:none;transition-delay:calc(.35s + var(--i)*.05s),calc(.35s + var(--i)*.05s),0s,0s}
.gx-menu-main a small{font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-weight:400;font-size:.32em;color:#8EDCFF;letter-spacing:0;min-width:2.2em}
.gx-menu-main a:hover,.gx-menu-main a:focus-visible{color:#8EDCFF;padding-left:.25em}
.gx-menu-side{align-self:end;padding-bottom:8px}
.gx-menu-side h2{font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;color:#8EDCFF;font-weight:600;margin:0 0 6px}
.gx-menu-side p{font-size:.88rem;color:rgba(245,247,248,.6);margin:0 0 20px;max-width:34ch}
.gx-menu-side ol{list-style:none;margin:0;padding:0;border-top:1px solid rgba(142,220,255,.2)}
.gx-menu-side ol a{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:15px 0;border-bottom:1px solid rgba(142,220,255,.2);text-decoration:none;color:inherit;font-size:.95rem;font-weight:600;opacity:0;transform:translateY(16px);transition:opacity .6s,transform .8s cubic-bezier(.22,.61,.36,1),color .3s}
html.gx-menu-open .gx-menu-side ol a{opacity:1;transform:none;transition-delay:calc(.55s + var(--i)*.05s)}
.gx-menu-side ol a small{display:block;font-weight:400;color:rgba(245,247,248,.5);font-size:.76rem;margin-top:2px}
.gx-menu-side ol a i{width:38px;height:38px;border-radius:50%;border:1px solid rgba(142,220,255,.5);display:grid;place-items:center;font-style:normal;color:#8EDCFF;transition:background .35s,color .35s,transform .45s cubic-bezier(.22,.61,.36,1)}
.gx-menu-side ol a:hover i,.gx-menu-side ol a:focus-visible i{background:#8EDCFF;color:#07121D;transform:rotate(-45deg)}
.gx-menu-close{position:fixed;top:12px;right:clamp(16px,3vw,44px);z-index:2;width:52px;height:52px;border-radius:50%;border:1px solid rgba(245,247,248,.4);background:none;color:#F5F7F8;font-size:1.5rem;line-height:1;display:none;cursor:pointer}
html.gx-menu-open .gx-menu-close{display:block}
.gx-menu a:focus-visible,.gx-menu button:focus-visible{outline:2px solid #8EDCFF;outline-offset:4px}
@media (max-width:900px){.gx-menu-in{grid-template-columns:1fr;padding-top:104px}.gx-menu-side{align-self:start}}

/* ---------- hero: oversized typography + layered image ---------- */
html.gx .hero{align-items:flex-end;padding:calc(var(--nav-h) + 40px) 0 clamp(36px,6vh,72px)}
html.gx .hero-in{display:grid;grid-template-columns:minmax(0,1fr) min(30vw,420px);gap:clamp(32px,5vw,88px);align-items:end;width:min(1560px,100% - clamp(32px,7vw,120px))}
html.gx .hero-in>div:first-child{position:relative;z-index:2;min-width:0;container-type:inline-size}
html.gx .hero .eyebrow{margin-bottom:clamp(12px,2vh,26px)}
html.gx .hero h1{font-size:clamp(2.2rem,5.4vw,6.4rem);font-size:clamp(2.2rem,10.4cqi,8.6rem);line-height:.86;letter-spacing:-.055em;margin:0 0 .28em}
html.gx .hero h1 .ln span{padding-right:.04em}
html.gx .hero h1 .ln:nth-child(2) span{color:transparent;-webkit-text-stroke:max(1.2px,.012em) #8EDCFF}
html.gx .hero p.sub{margin-top:0;max-width:46ch}
html.gx .hero .ctas{margin-top:28px}
html.gx .hero .facts{margin-top:clamp(24px,5vh,56px);max-width:min(760px,100%)}
html.gx .frame{position:relative;width:100%;z-index:1;margin:0 0 132px;justify-self:end}
html.gx:not(.intro-lock) .frame .pic{animation:gx-clip 1.6s cubic-bezier(.65,0,.35,1) .15s both}
@keyframes gx-clip{from{clip-path:inset(0 0 100% 0)}to{clip-path:inset(0 0 0 0)}}
html.gx .scrollhint,html.gx .frame .pin{display:none}
.gx-ring{position:absolute;right:0;top:calc(100% + 44px);width:84px;height:84px;z-index:3;display:none;place-items:center;text-decoration:none;color:#F5F7F8;border-radius:50%;transition:transform .5s cubic-bezier(.22,.61,.36,1)}
html.gx .gx-ring{display:grid}
.gx-ring svg{position:absolute;inset:0;width:100%;height:100%;animation:gx-spin 22s linear infinite}
.gx-ring text{font:600 9.4px Manrope,sans-serif;letter-spacing:.22em;text-transform:uppercase;fill:currentColor}
.gx-ring b{font-weight:400;font-size:1.3rem;color:#8EDCFF;transition:transform .4s cubic-bezier(.22,.61,.36,1)}
.gx-ring:hover{transform:scale(1.08)}.gx-ring:hover b{transform:translateY(4px)}
@keyframes gx-spin{to{transform:rotate(360deg)}}
html.gx .marquee span{font-size:.8rem}
@media (max-width:860px){
  html.gx .hero-in{grid-template-columns:1fr;gap:44px}
  html.gx .frame{width:min(80%,340px);margin:0 0 128px auto}
}

/* ---------- section typography ---------- */
html.gx .h2{font-size:clamp(2.3rem,6vw,5.6rem);line-height:.92;letter-spacing:-.045em}
html.gx .label{letter-spacing:.3em}
html.gx .pad{padding:clamp(88px,13vw,190px) 0}

/* ---------- swipe tracks ---------- */
html.gx .gx-track{position:relative;display:flex;gap:clamp(14px,2vw,28px);overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;scrollbar-width:none;margin-inline:0;padding-inline:0;scroll-padding-inline:0;padding-block:6px;outline-offset:-3px;cursor:grab;grid-template-columns:none;grid-auto-rows:auto}
html.gx .gx-track::-webkit-scrollbar{display:none}
html.gx .gx-track.gx-dragging{scroll-snap-type:none;cursor:grabbing;user-select:none;-webkit-user-select:none}
html.gx .gx-track.gx-dragging *{pointer-events:none}
html.gx .gx-track img{-webkit-user-drag:none}
html.gx #technology .gx-track>.chapter{flex:0 0 min(1180px,90%);scroll-snap-align:start;margin:0;padding:clamp(22px,3.2vw,52px);border:1px solid var(--line-l);background:#fff;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,4vw,64px);cursor:auto}
html.gx #technology .gx-track>.chapter.flip{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr)}
@media (max-width:860px){html.gx #technology .gx-track>.chapter,html.gx #technology .gx-track>.chapter.flip{grid-template-columns:1fr}html.gx #technology .gx-track>.chapter.flip .vis{order:0}}
html.gx .apps.gx-track{display:flex}
html.gx .apps.gx-track .tile{flex:0 0 min(430px,84%);height:clamp(440px,66vh,600px);grid-column:auto;grid-row:auto;scroll-snap-align:start}
html.gx .apps.gx-track .tile p{max-height:none;opacity:1;margin-top:8px}
html.gx .apps.gx-track .tile h3{font-size:clamp(1.5rem,2.4vw,2.1rem);letter-spacing:-.03em}
html.gx .apps.gx-track .tile .n{font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-size:2.6rem;letter-spacing:0;line-height:1;margin-bottom:12px}
.gx-bar{display:flex;align-items:center;gap:clamp(14px,2vw,28px);margin-top:clamp(22px,3vw,36px);font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;font-weight:600}
.gx-count{font-variant-numeric:tabular-nums;min-width:5.4em}
.gx-count b{font-size:1.5rem;font-family:'Instrument Serif',Georgia,serif;font-style:italic;font-weight:400;letter-spacing:0;margin-right:2px}
.gx-prog{flex:1;height:1px;background:rgba(128,150,170,.35);position:relative}
.gx-prog i{position:absolute;left:0;top:-.5px;height:2px;width:var(--p,0%);background:var(--tech);transition:width .25s}
.dark .gx-prog i{background:var(--ice)}
.gx-btns{display:flex;gap:10px}
.gx-btns button{width:50px;height:50px;border-radius:50%;border:1px solid currentColor;background:none;font-size:1.1rem;line-height:1;transition:background .3s,color .3s,opacity .3s,transform .4s cubic-bezier(.22,.61,.36,1)}
.gx-btns button:hover:not(:disabled){background:var(--tech);color:#fff;border-color:var(--tech);transform:scale(1.06)}
.dark .gx-btns button:hover:not(:disabled){background:var(--ice);color:var(--navy);border-color:var(--ice)}
.gx-btns button:disabled{opacity:.25;cursor:default}
.gx-hint{display:none}
.gx-drag{position:fixed;left:0;top:0;z-index:850;width:84px;height:84px;margin:-42px 0 0 -42px;border-radius:50%;background:rgba(142,220,255,.92);color:#07121D;display:none;place-items:center;font:700 .62rem Manrope,sans-serif;letter-spacing:.22em;pointer-events:none;opacity:0;transform:translate3d(-100px,-100px,0) scale(.4);transition:opacity .25s,scale .3s}
.gx-drag.gx-on{opacity:1}
@media (hover:hover) and (pointer:fine){html.gx .gx-drag{display:grid}}

/* ---------- chapter index (fixed, desktop) ---------- */
.gx-index{position:fixed;right:calc((100vw - min(1280px,100vw - 48px))/4 - 6px);top:50%;writing-mode:vertical-rl;transform:translateY(-50%) rotate(180deg);z-index:60;font:600 .64rem Manrope,sans-serif;letter-spacing:.24em;text-transform:uppercase;color:#F5F7F8;mix-blend-mode:difference;display:none;pointer-events:none}
html.gx:not(.intro-lock):not(.gx-menu-open) .gx-index{display:flex;gap:12px;align-items:center}
.gx-index i{width:1px;height:34px;background:currentColor;display:block}
@media (max-width:1199px){.gx-index{display:none!important}}

/* ---------- footer wordmark ---------- */
html.gx footer{position:relative;overflow:hidden;padding-bottom:clamp(120px,16vw,260px)}
html.gx footer::after{content:"";position:absolute;left:50%;bottom:-3%;width:min(1500px,118%);aspect-ratio:2041/507;transform:translateX(-50%);background:var(--mark-img) center/contain no-repeat;opacity:.07;pointer-events:none}
html.gx footer .wrap{position:relative;z-index:1}

@media (prefers-reduced-motion:reduce){
  .gx-ring svg{animation:none}
  html.gx:not(.intro-lock) .frame .pic{animation:none}
  .gx-menu,html.gx-menu-open .gx-menu{transition-duration:.001ms}
  .gx-menu-main a,.gx-menu-side ol a{transition-duration:.001ms;transition-delay:0s!important}
}

/* ===== Gateway: Beyond this page ===== */
.gxp-gw{position:relative;background:#050d15;color:#F5F7F8;font-family:Manrope,system-ui,sans-serif;padding:clamp(80px,11vw,150px) 0;overflow:hidden;border-top:1px solid rgba(142,220,255,.16)}
.gxp-gw::before{content:"";position:absolute;inset:0;background:url(../assets/gateway-bg.jpg) 62% 40%/cover no-repeat;opacity:.3}
.gxp-gw::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#050d15 22%,rgba(5,13,21,.55) 70%,#050d15)}
.gxp-gw-in{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(32px,6vw,96px);align-items:start}
.gxp-gw .lead{max-width:44ch}
.gxp-gw ol{list-style:none;margin:0;padding:0;border-top:1px solid rgba(142,220,255,.2)}
.gxp-gw ol a{display:grid;grid-template-columns:44px 1fr auto;gap:6px 14px;align-items:baseline;padding:18px 0;border-bottom:1px solid rgba(142,220,255,.2);text-decoration:none;color:inherit;transition:color .3s}
.gxp-gw ol a:hover strong,.gxp-gw ol a:focus-visible strong{color:#8EDCFF}
.gxp-gw ol a span{font-family:"Instrument Serif",Georgia,serif;font-style:italic;color:#8EDCFF;font-size:1.3rem}
.gxp-gw ol a strong{font-size:1.05rem;letter-spacing:-.01em}
.gxp-gw ol a em{grid-column:2;font-style:normal;font-size:.82rem;color:rgba(245,247,248,.6)}
.gxp-gw ol a i{grid-row:1;grid-column:3;font-style:normal;color:#8EDCFF}
.gxp-gw a:focus-visible{outline:2px solid #8EDCFF;outline-offset:3px}
@media (max-width:860px){.gxp-gw-in{grid-template-columns:1fr}}