/* theme-robotics.css — "robotics" event page theme (TRON neon). Art-first; words live in the images and in the 3D scene.
   Self-contained (public.css is NOT loaded). View: views/public/event_robotics.php · JS: assets/js/public/robotics.js + robotics/robot3d.js */
:root{--yl:#f2e60f;--bg:#02040a;--ink:#eaf9ff;--mute:#8fb3c4;--cy:#19f3ff;--mg:#ff2fd1;--or:#ff7a1a;--line:rgba(25,243,255,.28);--panel:rgba(4,12,24,.78);--sab:env(safe-area-inset-bottom,0px);--ease:cubic-bezier(.2,.8,.2,1);--sans:"Space Grotesk",system-ui,-apple-system,"Segoe UI",sans-serif;--mx:0;--my:0}
@font-face{font-family:"Space Grotesk";src:url(../fonts/space-grotesk-latin-wght.woff2) format("woff2");font-weight:300 700;font-display:swap}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body.pg-robotics{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.55 var(--sans);overflow-x:hidden;-webkit-font-smoothing:antialiased}
.pg-robotics img{max-width:100%;display:block}
.pg-robotics a{color:var(--cy)}
.sr-only{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.pg-robotics .skip{position:absolute;left:8px;top:-60px;background:var(--cy);color:#000;padding:8px 12px;z-index:200;border-radius:8px}.pg-robotics .skip:focus{top:8px}

/* ---- TRON canvas + cursor + scanline ---- */
#rb-tron{position:fixed;inset:0;width:100%;height:100%;z-index:0;pointer-events:none}
.rb-scan{position:fixed;inset:0;z-index:70;pointer-events:none;opacity:.07;background:repeating-linear-gradient(0deg,#fff 0 1px,transparent 1px 4px);mix-blend-mode:overlay}
#rb-cursor{position:fixed;left:0;top:0;z-index:80;pointer-events:none;width:0;height:0;display:none}
#rb-cursor i{position:absolute;left:-18px;top:-18px;width:36px;height:36px;border-radius:50%;border:1.5px solid var(--cy);box-shadow:0 0 18px var(--cy),inset 0 0 12px rgba(25,243,255,.4);transition:width .25s,height .25s,left .25s,top .25s,border-color .25s,background .25s}
html.rb-fine #rb-cursor{display:block}
html.rb-hot #rb-cursor i{width:64px;height:64px;left:-32px;top:-32px;border-color:var(--mg);background:rgba(255,47,209,.1);box-shadow:0 0 28px var(--mg)}
html.rb-fine .pg-robotics .rb-viewer{cursor:grab}

/* ---- header / buttons ---- */
.rb-head{position:fixed;top:0;left:0;right:0;z-index:60;display:flex;align-items:center;justify-content:space-between;padding:12px max(16px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left));background:linear-gradient(#02040a 0,rgba(2,4,10,0))}
.rb-brand{display:flex;align-items:center;gap:10px;color:var(--ink)!important;text-decoration:none;font:700 15px var(--sans);letter-spacing:.32em}
.rb-mark{display:grid;place-items:center;width:36px;height:36px;border:1px solid var(--cy);border-radius:10px;color:var(--cy);box-shadow:0 0 14px rgba(25,243,255,.5),inset 0 0 10px rgba(25,243,255,.25)}
.rb-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:0 28px;border-radius:999px;border:1.5px solid var(--cy);background:rgba(25,243,255,.08);color:#fff!important;text-decoration:none;font:700 14px var(--sans);letter-spacing:.14em;text-transform:uppercase;cursor:pointer;box-shadow:0 0 22px rgba(25,243,255,.45),inset 0 0 18px rgba(25,243,255,.18);transition:transform .25s var(--ease),box-shadow .25s,background .25s;overflow:hidden}
.rb-btn::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,transparent 30%,rgba(255,255,255,.55) 50%,transparent 70%);transform:translateX(-120%);transition:transform .7s var(--ease)}
.rb-btn:hover,.rb-btn:focus-visible{transform:translateY(-2px) scale(1.03);box-shadow:0 0 38px var(--cy),inset 0 0 22px rgba(25,243,255,.35);background:rgba(25,243,255,.18)}
.rb-btn:hover::after{transform:translateX(120%)}
.rb-btn-sm{min-height:42px;padding:0 20px;font-size:12px}
.rb-btn-ghost{border-color:var(--mg);background:rgba(255,47,209,.07);box-shadow:0 0 22px rgba(255,47,209,.4),inset 0 0 18px rgba(255,47,209,.15)}
.rb-btn-ghost:hover{box-shadow:0 0 38px var(--mg);background:rgba(255,47,209,.16)}
.rb-btn-block{width:100%}
.rb-btn:focus-visible,.rb-card:focus-visible,.rb-v-tools button:focus-visible,.rb-viewer:focus-visible{outline:2px solid #fff;outline-offset:3px}
.rb-i{flex:none}
.rb-chip{padding:8px 14px;border:1px solid var(--line);border-radius:999px}

/* ---- hero ---- */
main{position:relative;z-index:2}
.rb-hero{position:relative;min-height:100svh;display:grid;place-items:center;overflow:hidden;padding:110px 18px 90px}
.rb-hero-bg{position:absolute;inset:-4%;z-index:0;transform:translate3d(calc(var(--mx)*-14px),calc(var(--my)*-10px),0) scale(1.06)}
.rb-hero-img{width:100%;height:100%;object-fit:cover;filter:saturate(1.25) brightness(.62);animation:rbKen 26s ease-in-out infinite alternate}
@keyframes rbKen{to{transform:scale(1.07) translate3d(-1.5%,1%,0)}}
.rb-hero::after{content:"";position:absolute;inset:0;z-index:1;background:radial-gradient(ellipse at 50% 45%,rgba(2,4,10,.1) 0,rgba(2,4,10,.78) 80%),linear-gradient(transparent 70%,var(--bg))}
.rb-floats{position:absolute;inset:0;z-index:2;pointer-events:none}
.rb-fl{position:absolute;left:var(--x);top:var(--y);width:var(--w);transform:translate3d(calc(var(--mx)*var(--dx,30px)),calc(var(--my)*var(--dy,30px)),0) rotate(var(--r));filter:drop-shadow(0 0 22px rgba(25,243,255,.55));animation:rbBob 7s ease-in-out infinite alternate}
.rb-fl img{display:block;width:100%;height:auto}
.rb-fl:nth-child(2n){animation-duration:9s;animation-delay:-3s}
@keyframes rbBob{to{translate:0 -16px}}
.rb-hero-in{position:relative;z-index:3;text-align:center;max-width:1000px}
.rb-eyebrow{display:flex;flex-wrap:wrap;gap:12px 14px;justify-content:center;align-items:center;margin:0 0 6px;font:600 12px var(--sans);letter-spacing:.38em;color:var(--cy);text-shadow:0 0 12px var(--cy)}
.rb-eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--mg);box-shadow:0 0 10px var(--mg)}
.rb-h1{position:relative;margin:0;font:700 clamp(54px,15vw,190px)/.95 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:#eaffff;-webkit-text-stroke:2px var(--cy);text-shadow:0 0 12px var(--cy),0 0 42px var(--cy),0 0 100px rgba(25,243,255,.6);animation:rbFlick 6s infinite}
.rb-h1 span{display:inline-block;transform:translate3d(calc(var(--mx)*10px),calc(var(--my)*8px),0)}
.rb-h1::before,.rb-h1::after{content:attr(data-text);position:absolute;left:0;right:0;top:0;opacity:.55;mix-blend-mode:screen;pointer-events:none}
.rb-h1::before{color:var(--mg);-webkit-text-stroke:0;text-shadow:none;transform:translate(calc(var(--mx)*-6px - 3px),1px)}
.rb-h1::after{color:var(--cy);-webkit-text-stroke:0;text-shadow:none;transform:translate(calc(var(--mx)*6px + 3px),-1px)}
@keyframes rbFlick{0%,92%,100%{opacity:1}93%{opacity:.7}94%{opacity:1}96%{opacity:.82}97%{opacity:1}}
.rb-sub{margin:10px 0 28px;font:300 clamp(18px,3vw,30px) var(--sans);letter-spacing:.08em;color:#d9f7ff;text-shadow:0 0 18px rgba(25,243,255,.6)}
.rb-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.rb-scroll{position:absolute;left:50%;bottom:20px;z-index:3;margin:0;width:26px;height:44px;border:1.5px solid var(--cy);border-radius:14px;transform:translateX(-50%);box-shadow:0 0 14px var(--cy)}
.rb-scroll span{position:absolute;left:50%;top:8px;width:4px;height:8px;margin-left:-2px;border-radius:2px;background:var(--cy);animation:rbWheel 1.6s infinite}
@keyframes rbWheel{0%{opacity:1;transform:translateY(0)}100%{opacity:0;transform:translateY(16px)}}
.rb-rise{opacity:0;transform:translateY(24px);animation:rbRise .9s var(--ease) forwards;animation-delay:calc(var(--i)*.14s + .15s)}
@keyframes rbRise{to{opacity:1;transform:none}}

/* ---- assembly: one sliced robot, shared 1344x1792 coordinate box scaled by --s (set by robotics.js) ---- */
.rb-asm{position:relative;height:720svh}
.rb-asm-stage{position:sticky;top:0;height:100svh;overflow:hidden;background:radial-gradient(ellipse at 50% 60%,#05131f 0,#02050b 55%,#000 100%);--s:.4;--fy:82%;--tk:1}
.rb-cam{position:absolute;left:50%;top:var(--ry,50%);width:0;height:0;z-index:3;pointer-events:none;perspective:1400px;transform-origin:0 0;will-change:transform}
.rb-tilt{position:absolute;left:0;top:0;transform:rotateY(calc(var(--mx)*5deg*var(--tk,0))) rotateX(calc(var(--my)*-3deg*var(--tk,0)))}
.rb-rig{position:absolute;left:0;top:0;margin:-896px 0 0 -672px;transform:scale(var(--s));transform-origin:50% 50%;pointer-events:none;filter:drop-shadow(0 0 22px rgba(25,243,255,.28))}
@media (pointer:coarse),(max-width:899px){.rb-rig{filter:none}.rb-asm-stage{contain:layout paint}}
.rb-ap{position:absolute;display:block;will-change:transform}
.rb-ap img{display:block;width:100%;height:100%;will-change:transform}
.rb-eye,.rb-core{position:absolute;display:block;border-radius:50%;pointer-events:none;mix-blend-mode:screen;transform:translate(-50%,-50%)}
.rb-eye{width:150px;height:150px;opacity:0;background:radial-gradient(circle,rgba(160,255,255,.95) 0,rgba(25,243,255,.55) 22%,rgba(25,243,255,0) 62%)}
.rb-core{left:46px;top:34px;width:230px;height:230px;opacity:0;background:radial-gradient(circle,rgba(160,255,255,.85) 0,rgba(25,243,255,.4) 25%,rgba(25,243,255,0) 62%)}
.rb-live .rb-core{animation:rbPulseCore 2.4s ease-in-out infinite}
.rb-live .rb-eye{animation:rbBlink 5s ease-in-out infinite}
@keyframes rbPulseCore{50%{opacity:.35;transform:translate(-50%,-50%) scale(1.25)}}
@keyframes rbBlink{0%,92%,100%{filter:none}95%{filter:brightness(.4)}}
.rb-lock{position:absolute;width:90px;height:90px;margin:-45px 0 0 -45px;border-radius:50%;border:4px solid var(--cy);box-shadow:0 0 30px var(--cy),inset 0 0 22px var(--cy);opacity:0;transform:scale(.2);pointer-events:none}
.rb-floor{position:absolute;left:-30%;right:-30%;top:var(--fy);bottom:-5%;z-index:1;pointer-events:none;opacity:.55;transition:opacity .5s;
  background:repeating-linear-gradient(90deg,rgba(25,243,255,.55) 0 2px,transparent 2px 120px),repeating-linear-gradient(0deg,rgba(25,243,255,.55) 0 2px,transparent 2px 70px);
  transform:perspective(520px) rotateX(64deg);transform-origin:50% 0;-webkit-mask-image:linear-gradient(transparent,#000 25%,#000);mask-image:linear-gradient(transparent,#000 25%,#000);animation:rbFloor 3s linear infinite}
@keyframes rbFloor{to{background-position:0 0,0 70px}}
.rb-live .rb-floor{opacity:.95}
.rb-evolve{position:absolute;left:0;right:0;top:34%;z-index:2;margin:0;display:grid;justify-items:center;opacity:0;pointer-events:none;font:700 clamp(38px,11vw,190px)/.92 var(--sans);letter-spacing:.07em;text-transform:uppercase;color:transparent;-webkit-text-stroke:2px var(--cy);text-shadow:0 0 40px rgba(25,243,255,.5)}
.rb-evolve span:last-child{-webkit-text-stroke-color:var(--mg);text-shadow:0 0 40px rgba(255,47,209,.45)}
.rb-flash{position:absolute;left:50%;top:var(--ry,50%);z-index:4;width:10vmin;height:10vmin;margin:-5vmin;border-radius:50%;border:3px solid var(--cy);box-shadow:0 0 60px var(--cy),inset 0 0 60px var(--cy);opacity:0;pointer-events:none}
.is-narrow .rb-evolve{top:68%;font-size:12vw}
.rb-steps{position:absolute;z-index:5;right:max(16px,3vw);top:50%;transform:translateY(-50%);display:grid;gap:18px;margin:0;padding:0;list-style:none}
.rb-steps li{display:flex;align-items:center;gap:10px;font:700 12px var(--sans);letter-spacing:.3em;color:#3d6270;transition:color .4s,text-shadow .4s,transform .4s var(--ease);justify-content:flex-end}
.rb-steps b{font-weight:500;opacity:.7}
.rb-steps li.on{color:var(--cy);text-shadow:0 0 14px var(--cy);transform:translateX(-8px)}
.rb-steps li::after{content:"";width:22px;height:2px;background:currentColor;box-shadow:0 0 10px currentColor}
.rb-bar{position:absolute;z-index:5;left:0;right:0;bottom:0;height:3px;background:rgba(25,243,255,.12)}
.rb-bar i{display:block;height:100%;width:100%;transform-origin:0 50%;transform:scaleX(0);background:linear-gradient(90deg,var(--cy),var(--mg));box-shadow:0 0 14px var(--cy)}

/* ---- 3D lab ---- */
.rb-lab{position:relative;padding:min(10vw,90px) max(16px,3vw)}
.rb-lab-grid{display:grid;grid-template-columns:minmax(0,1fr) clamp(150px,18vw,230px);gap:clamp(14px,2vw,28px);max-width:1500px;margin:0 auto;align-items:stretch}
.rb-viewer{position:relative;min-height:min(78svh,760px);border:1px solid var(--line);border-radius:22px;overflow:hidden;background:radial-gradient(ellipse at 50% 70%,rgba(25,243,255,.14),transparent 62%),#030710;box-shadow:0 0 50px rgba(25,243,255,.18),inset 0 0 60px rgba(25,243,255,.06);touch-action:pan-y}
.rb-viewer.is-drag{touch-action:none;cursor:grabbing}
.rb-viewer.is-hover{cursor:pointer}
.rb-v-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}
.rb-v-fallback{position:absolute;inset:0}
.rb-v-fallback img{width:100%;height:100%;object-fit:cover}
.rb-viewer.live .rb-v-fallback{display:none}
.rb-v-hint{position:absolute;left:16px;bottom:16px;display:flex;gap:10px;flex-wrap:wrap;pointer-events:none;transition:opacity .6s}
.rb-v-hint span{display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:rgba(2,6,14,.7);font:700 11px var(--sans);letter-spacing:.22em;color:var(--cy);text-shadow:0 0 10px var(--cy);animation:rbPulse 2.4s ease-in-out infinite}
.rb-v-hint span+span{animation-delay:-1.2s;color:var(--mg);text-shadow:0 0 10px var(--mg)}
.rb-viewer.touched .rb-v-hint{opacity:0}
@keyframes rbPulse{50%{box-shadow:0 0 18px currentColor}}
.rb-v-tools{position:absolute;right:14px;top:14px;display:grid;gap:10px}
.rb-v-tools button{width:48px;height:48px;border-radius:14px;border:1px solid var(--cy);background:rgba(2,8,18,.75);color:var(--cy);cursor:pointer;display:grid;place-items:center;box-shadow:0 0 16px rgba(25,243,255,.35);transition:transform .2s,background .2s,box-shadow .2s}
.rb-v-tools button:hover{background:rgba(25,243,255,.22);transform:scale(1.1);box-shadow:0 0 28px var(--cy)}
.rb-types{list-style:none;margin:0;padding:0;display:grid;gap:clamp(10px,1.4vw,18px);perspective:900px}
.rb-types li{min-height:0}
.rb-card{position:relative;display:block;width:100%;height:100%;padding:0;border:1.5px solid rgba(25,243,255,.35);border-radius:16px;overflow:hidden;background:#000;cursor:pointer;transform:rotateX(calc(var(--ry,0)*1deg)) rotateY(calc(var(--rx,0)*1deg));transition:transform .2s ease-out,border-color .3s,box-shadow .3s;transform-style:preserve-3d}
.rb-card img{width:100%;height:100%;object-fit:cover;filter:brightness(.7) saturate(1.1);transition:filter .4s,transform .6s var(--ease)}
.rb-card:hover img,.rb-card.on img{filter:brightness(1.05) saturate(1.25);transform:scale(1.05)}
.rb-card.on{border-color:var(--mg);box-shadow:0 0 30px var(--mg),inset 0 0 20px rgba(255,47,209,.3)}
.rb-card::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at calc(50% + var(--rx,0)*3%) calc(50% + var(--ry,0)*3%),rgba(255,255,255,.28),transparent 55%);mix-blend-mode:screen;pointer-events:none;opacity:0;transition:opacity .3s}
.rb-card:hover::after{opacity:1}

/* ---- join ---- */
.rb-join{position:relative;padding:min(14vw,140px) max(16px,3vw) min(10vw,100px);overflow:hidden}
.rb-join-art{position:absolute;inset:0;z-index:0}
.rb-join-img{width:100%;height:100%;object-fit:cover;filter:brightness(.55) saturate(1.2);transform:translate3d(calc(var(--mx)*-18px),calc(var(--my)*-12px),0) scale(1.08)}
.rb-join-art::after{content:"";position:absolute;inset:0;background:linear-gradient(var(--bg),rgba(2,4,10,.35) 30%,rgba(2,4,10,.6) 70%,var(--bg))}
.rb-join-in{position:relative;z-index:1;max-width:760px;margin:0 auto;text-align:center}
.rb-h2{margin:0 0 28px;font:700 clamp(36px,8vw,84px)/1 var(--sans);letter-spacing:.06em;text-transform:uppercase;color:#eaffff;text-shadow:0 0 12px var(--cy),0 0 50px var(--cy)}
.rb-formcard{text-align:left;padding:clamp(18px,3vw,34px);border:1px solid var(--line);border-radius:22px;background:var(--panel);backdrop-filter:blur(10px);box-shadow:0 0 60px rgba(25,243,255,.2),inset 0 0 40px rgba(25,243,255,.05)}
.rb-form{display:grid;gap:16px}
.rb-hp{position:absolute;left:-9999px}
.rb-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.rb-fld label,.rb-fs legend{display:block;margin:0 0 6px;font:700 11px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--cy)}
.rb-fld input,.rb-fld select{width:100%;min-height:50px;padding:0 14px;border:1px solid var(--line);border-radius:12px;background:rgba(0,10,22,.85);color:var(--ink);font:400 16px var(--sans)}
.rb-fld input:focus,.rb-fld select:focus{outline:none;border-color:var(--cy);box-shadow:0 0 18px rgba(25,243,255,.5)}
.rb-fs{border:0;margin:0;padding:0}
.rb-opts{display:flex;flex-wrap:wrap;gap:10px}
.rb-opt{position:relative;cursor:pointer}
.rb-opt input{position:absolute;opacity:0}
.rb-opt span{display:block;padding:10px 16px;border:1px solid var(--line);border-radius:999px;font:500 14px var(--sans);transition:all .25s}
.rb-opt input:checked+span{border-color:var(--mg);background:rgba(255,47,209,.16);box-shadow:0 0 18px rgba(255,47,209,.55);color:#fff}
.rb-opt input:focus-visible+span{outline:2px solid #fff;outline-offset:2px}
.rb-consent{display:flex;gap:10px;font-size:13px;color:var(--mute);line-height:1.45}
.rb-consent input{flex:none;margin-top:3px;accent-color:var(--cy);width:18px;height:18px}
.rb-msg{margin:0;min-height:1.4em;font-size:14px;color:var(--cy)}.rb-msg.err{color:#ff7a8a}
.rb-done{text-align:center;padding:20px 0}.rb-done h3{margin:12px 0 6px;font:700 28px var(--sans);text-shadow:0 0 18px var(--cy)}
.rb-done[hidden]{display:none}.rb-done.go svg circle{stroke-dasharray:190;animation:rbDraw 1s ease forwards}@keyframes rbDraw{from{stroke-dashoffset:190}to{stroke-dashoffset:0}}

/* ---- faq / closing / bar ---- */
.rb-after{position:relative;background:var(--bg);padding:20px max(16px,3vw) 110px}
.rb-faqw{max-width:820px;margin:0 auto;display:grid;gap:10px}
.rb-acc{border:1px solid var(--line);border-radius:14px;background:rgba(4,12,24,.6)}
.rb-acc summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;padding:16px 18px;font-weight:600}
.rb-acc summary::-webkit-details-marker{display:none}
.rb-acc summary i{width:14px;height:14px;position:relative;flex:none}.rb-acc summary i::before,.rb-acc summary i::after{content:"";position:absolute;left:0;top:6px;width:14px;height:2px;background:var(--cy);box-shadow:0 0 8px var(--cy);transition:transform .3s}.rb-acc summary i::after{transform:rotate(90deg)}
.rb-acc[open] summary i::after{transform:rotate(0)}
.rb-acc-b{padding:0 18px 16px;color:var(--mute)}.rb-acc-b p{margin:0}
.rb-closing{max-width:820px;margin:34px auto 0;text-align:center}
.rb-share{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.rb-share a{padding:9px 16px;border:1px solid var(--line);border-radius:999px;text-decoration:none;font-size:13px}
.rb-credit{margin:18px 0 0;font-size:12px;color:#5b8091}
.rb-bar-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;align-items:center;gap:14px;justify-content:space-between;padding:10px max(16px,env(safe-area-inset-right)) calc(10px + var(--sab)) max(16px,env(safe-area-inset-left));background:rgba(2,6,14,.92);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .55s var(--ease);visibility:hidden}
.rb-bar-cta.show{transform:none;visibility:visible}.rb-bar-cta b{font:700 12px var(--sans);letter-spacing:.2em;text-transform:uppercase;color:var(--cy)}.rb-bar-cta .rb-btn{min-height:44px}
.rv{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}.rv.in{opacity:1;transform:none}

/* ---- responsive / a11y ---- */
@media (max-width:860px){
  .rb-lab-grid{grid-template-columns:1fr}
  .rb-types{grid-template-columns:repeat(3,1fr)}.rb-card{aspect-ratio:3/4}
  .rb-viewer{min-height:70svh}
  .rb-steps{right:10px;gap:12px}.rb-steps li span{display:none}
  .rb-row{grid-template-columns:1fr}
  .rb-fl{opacity:.8}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .rb-rise{animation:none;opacity:1;transform:none}
  .rb-h1,.rb-hero-img,.rb-fl,.rb-scroll span,.rb-v-hint span{animation:none}
  .rv{opacity:1;transform:none;transition:none}
  #rb-cursor{display:none!important}
}
/* no-JS / reduced motion: parts sit at their natural (assembled) coordinates = the finished robot; glows and text visible */
html:not(.rb-js) .rb-asm{height:auto}
html:not(.rb-js) .rb-asm-stage{position:relative;height:min(120vw,92svh);--s:.34}
html:not(.rb-js) .rb-eye,html:not(.rb-js) .rb-core,html:not(.rb-js) .rb-evolve{opacity:1}
html:not(.rb-js) .rb-steps,html:not(.rb-js) .rb-bar,html:not(.rb-js) .rb-lock{display:none}

/* the floating language pill sits above the sticky CTA bar on phones (not on top of its button) */
@media (max-width:599px){.pg-robotics .hw-lang-fab{bottom:auto;top:calc(66px + env(safe-area-inset-top,0px))}}

/* phones: keep the floating hero parts clear of the header buttons, headline and CTAs */
@media (max-width:700px){
  .rb-fl:nth-child(1){left:79%!important;top:71%!important;width:16vw!important}
  .rb-fl:nth-child(2){left:2%!important;top:77%!important;width:24vw!important}
  .rb-fl:nth-child(3){left:60%!important;top:13%!important;width:30vw!important}
  .rb-fl:nth-child(4){left:1%!important;top:14%!important;width:21vw!important}
}


/* =====================================================================================================================
   v2 · Cyberpunk-inspired HUD layer (inspiration only: neon cyan/magenta city tech, glitch, scan lines, clipped-corner frames).
   Danger-yellow (--yl) is reserved for ACTIVE/alert states (<5% of any screen): active step number, reticle lock, DEMO READOUT tag, one glitch band.
   ===================================================================================================================== */
.rb-city{position:absolute;inset:0;z-index:0;opacity:.2;overflow:hidden;-webkit-mask-image:linear-gradient(transparent,#000 30%,#000 70%,transparent);mask-image:linear-gradient(transparent,#000 30%,#000 70%,transparent)}
.rb-city-img{width:100%;height:100%;object-fit:cover;filter:blur(1.5px) saturate(1.15);transform:translate3d(calc(var(--mx)*-14px),calc(var(--my)*-8px),0) scale(1.05)}
.rb-floor::after{content:"";position:absolute;inset:0;opacity:.16;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='56' height='100' viewBox='0 0 56 100'%3E%3Cpath d='M28 66L0 50V16L28 0l28 16v34zM28 100L0 84V66l28 16 28-16v18z' fill='none' stroke='%2319f3ff' stroke-width='1'/%3E%3C/svg%3E")}
.rb-endo{position:absolute;left:0;top:0;pointer-events:none;stroke:var(--cy);stroke-width:5;opacity:0}
.rb-endo circle{fill:rgba(25,243,255,.2);stroke-width:4}
.rb-refl{position:absolute;pointer-events:none;opacity:.9}
.rb-hint{position:absolute;left:50%;bottom:calc(92px + var(--sab));transform:translateX(-50%);z-index:6;margin:0;display:flex;gap:12px;align-items:center;font:600 11px ui-monospace,"SF Mono",Menlo,Consolas,monospace;letter-spacing:.34em;text-transform:uppercase;color:var(--cy);text-shadow:0 0 12px var(--cy);transition:opacity .4s}
.rb-hint small{font:600 12px var(--sans);letter-spacing:.2em;color:var(--mg);text-shadow:0 0 10px var(--mg)}
.rb-hint::after{content:"";width:1px;height:26px;background:linear-gradient(var(--cy),transparent);animation:rbHint 1.8s ease-in-out infinite;margin-left:6px}
@keyframes rbHint{50%{transform:translateY(6px);opacity:.4}}
.rb-calls{position:absolute;inset:0;z-index:6;pointer-events:none}
.rb-co{position:absolute;left:0;top:0;pointer-events:auto;display:flex;align-items:center;gap:0;background:transparent;border:0;padding:0;color:var(--ink);cursor:pointer;font:inherit;opacity:0;transform:translate3d(-999px,0,0);transition:opacity .35s;-webkit-tap-highlight-color:transparent}
.rb-co[hidden]{display:none}
.rb-co.on{opacity:1}
.rb-co-dot{position:relative;flex:none;width:18px;height:18px;margin:-9px 0 -9px -9px;border-radius:50%;border:2px solid var(--cy);background:rgba(25,243,255,.22);box-shadow:0 0 16px var(--cy);animation:rbDot 2s ease-in-out infinite}
.rb-co-dot::after{content:"";position:absolute;inset:-8px;border-radius:50%;border:1px solid rgba(25,243,255,.5);animation:rbPing 2s ease-out infinite}
@keyframes rbDot{50%{box-shadow:0 0 26px var(--cy)}}@keyframes rbPing{from{transform:scale(.6);opacity:1}to{transform:scale(1.5);opacity:0}}
.rb-co-l{margin-left:14px;padding:6px 14px 6px 10px;font:700 11px ui-monospace,"SF Mono",Menlo,Consolas,monospace;letter-spacing:.14em;text-transform:uppercase;white-space:nowrap;background:rgba(2,8,14,.88);border-left:2px solid var(--cy);clip-path:polygon(0 0,100% 0,100% calc(100% - 9px),calc(100% - 9px) 100%,0 100%);transition:background .25s}
.rb-co-l small{font:600 12px var(--sans);color:var(--mg);margin-right:4px;letter-spacing:.1em}
.rb-co-p{position:absolute;left:30px;top:100%;margin-top:14px;width:236px;padding:12px 14px;text-align:left;text-transform:none;letter-spacing:0;font:400 12.5px/1.45 var(--sans);color:#d6f4fb;background:rgba(2,8,14,.95);border:1px solid var(--line);clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%);opacity:0;visibility:hidden;transform:translateY(-6px);transition:opacity .25s,transform .25s,visibility .25s;z-index:2}
.rb-co:hover .rb-co-p,.rb-co:focus-visible .rb-co-p,.rb-co[aria-expanded="true"] .rb-co-p{opacity:1;visibility:visible;transform:none}
.rb-co[aria-expanded="true"] .rb-co-dot,.rb-co:focus-visible .rb-co-dot{border-color:var(--yl);background:rgba(242,230,15,.2);box-shadow:0 0 18px var(--yl)}
.rb-co:focus-visible{outline:2px solid #fff;outline-offset:6px;border-radius:6px}
.rb-co[data-side="l"]{flex-direction:row-reverse}.rb-co[data-side="l"] .rb-co-dot{margin:-9px -9px -9px 0}.rb-co[data-side="l"] .rb-co-l{margin:0 14px 0 0;border-left:0;border-right:2px solid var(--cy)}.rb-co[data-side="l"] .rb-co-p{left:auto;right:30px}
.rb-panels{position:absolute;inset:0;z-index:7;pointer-events:none}
.rb-panel{position:absolute;right:max(26px,4.5vw);top:50%;width:min(330px,28vw);display:grid;gap:12px;opacity:0;transform:translate3d(46px,-50%,0);transition:opacity .45s,transform .55s var(--ease)}
.rb-panel.on{opacity:1;transform:translate3d(0,-50%,0)}
.rb-lens{position:relative;aspect-ratio:1;overflow:hidden;clip-path:polygon(18px 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%,0 18px);background:#000;box-shadow:0 0 40px rgba(25,243,255,.35)}
.rb-lens::before{content:"";position:absolute;inset:0;z-index:2;border:1px solid var(--cy);clip-path:inherit;pointer-events:none}
.rb-lens img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);animation:rbDrift 9s ease-in-out infinite alternate}
@keyframes rbDrift{to{transform:scale(1.18) translate3d(-2%,-1%,0)}}
.rb-panel[data-k="leg"] .rb-lens img{object-position:80% 90%;transform-origin:80% 90%}
.rb-ret{position:absolute;inset:0;z-index:3;background:linear-gradient(var(--yl),var(--yl)) 50% 0/1px 22% no-repeat,linear-gradient(var(--yl),var(--yl)) 50% 100%/1px 22% no-repeat,linear-gradient(var(--yl),var(--yl)) 0 50%/22% 1px no-repeat,linear-gradient(var(--yl),var(--yl)) 100% 50%/22% 1px no-repeat;opacity:.85}
.rb-ret::after{content:"";position:absolute;left:50%;top:50%;width:46%;height:46%;margin:-23% 0 0 -23%;border:1.5px solid var(--yl);border-radius:50%;box-shadow:0 0 14px rgba(242,230,15,.6);animation:rbLock 2.4s ease-in-out infinite}
@keyframes rbLock{0%{transform:scale(1.5);opacity:0}25%{opacity:1}60%,100%{transform:scale(1);opacity:.9}}
.rb-pt{padding:12px 14px;background:rgba(2,8,14,.9);border-left:2px solid var(--cy);clip-path:polygon(0 0,100% 0,100% calc(100% - 12px),calc(100% - 12px) 100%,0 100%)}
.rb-pt b{display:block;font:700 13px var(--sans);letter-spacing:.2em;color:var(--cy);text-shadow:0 0 12px var(--cy)}
.rb-pt p{margin:6px 0 8px;font-size:13px;line-height:1.45;color:#cfe9f0}
.rb-pt code{font:600 10px ui-monospace,"SF Mono",Menlo,Consolas,monospace;letter-spacing:.14em;color:var(--yl)}
.rb-steps li small{font:600 11px var(--sans);letter-spacing:.1em;color:var(--mg);opacity:.8}
.rb-steps li.on b{color:var(--yl);text-shadow:0 0 12px var(--yl)}
.rb-cw{position:absolute;z-index:8;left:50%;bottom:calc(74px + var(--sab));transform:translateX(-50%);display:flex;gap:10px;flex-wrap:wrap;justify-content:center;opacity:0;pointer-events:none;transition:opacity .5s}
.rb-live .rb-cw{opacity:1;pointer-events:auto}
.rb-cw-f{position:static;transform:none;opacity:1;pointer-events:auto;justify-content:flex-start;margin-bottom:18px}
.rb-cwb{display:inline-flex;align-items:center;gap:9px;min-height:40px;padding:0 16px 0 12px;background:rgba(2,8,14,.88);border:1px solid var(--line);color:var(--ink);font:700 11px ui-monospace,"SF Mono",Menlo,Consolas,monospace;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;clip-path:polygon(10px 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%,0 10px);transition:background .25s,color .25s}
.rb-cwb i{width:14px;height:14px;border-radius:50%;border:1px solid rgba(255,255,255,.5);box-shadow:0 0 10px rgba(25,243,255,.5)}
.rb-cwb:hover,.rb-cwb[aria-checked="true"]{background:rgba(25,243,255,.16);color:#fff;border-color:var(--cy);box-shadow:0 0 18px rgba(25,243,255,.45)}
.rb-cwb:focus-visible{outline:2px solid #fff;outline-offset:3px}
.rb-tear{position:absolute;left:0;right:0;height:3px;z-index:9;opacity:0;pointer-events:none;mix-blend-mode:screen}
.rb-tear.t1{top:34%;background:var(--cy)}.rb-tear.t2{top:58%;background:var(--mg)}.rb-tear.t3{top:71%;height:2px;background:var(--yl)}
.rb-asm-stage.g .rb-tear.t1{animation:rbTear .38s steps(7) 1}.rb-asm-stage.g .rb-tear.t2{animation:rbTear .38s steps(6) .04s 1}.rb-asm-stage.g .rb-tear.t3{animation:rbTear .3s steps(5) .08s 1}
@keyframes rbTear{0%{opacity:0;transform:translateX(0)}15%{opacity:.9;transform:translateX(-40px)}35%{opacity:.4;transform:translateX(60px)}60%{opacity:.8;transform:translateX(-18px)}100%{opacity:0;transform:translateX(0)}}
@media (pointer:fine){.rb-asm-stage.g .rb-cam{filter:drop-shadow(-4px 0 0 rgba(255,47,209,.6)) drop-shadow(4px 0 0 rgba(25,243,255,.6))}}
@media (max-width:860px){
  .rb-asm{height:540svh}
  .rb-panel{left:12px;right:12px;top:auto;bottom:calc(76px + var(--sab));width:auto;grid-template-columns:96px 1fr;align-items:stretch;transform:translate3d(0,40px,0)}.rb-panel.on{transform:none}
  .rb-lens{aspect-ratio:auto;height:100%;min-height:96px}.rb-pt{padding:9px 11px}.rb-pt p{font-size:12px;margin:3px 0 5px}
  .rb-steps li span{display:none}.rb-steps li.on span{display:inline;font-size:10px}.rb-steps li small{display:none}
  .rb-co-l{font-size:10px;padding:5px 10px 5px 8px}.rb-co-p{width:200px}
  .rb-hint{bottom:calc(84px + var(--sab));font-size:10px}
  .rb-cw{bottom:calc(66px + var(--sab));gap:6px}.rb-cwb{min-height:34px;padding:0 10px 0 8px;font-size:9.5px}
}
@media (prefers-reduced-motion:reduce){.rb-co-dot,.rb-co-dot::after,.rb-hint::after,.rb-lens img,.rb-ret::after{animation:none}}
/* no-JS / reduced motion: callouts are a visible static list, parts sit assembled */
html:not(.rb-js) .rb-calls{position:relative;inset:auto;display:grid;gap:10px;padding:16px max(18px,5vw) 0;pointer-events:auto}
html:not(.rb-js) .rb-co{position:relative!important;display:flex!important;opacity:1!important;transform:none!important;align-items:flex-start;gap:12px}
html:not(.rb-js) .rb-co .rb-co-p{position:static;opacity:1;visibility:visible;transform:none;margin:6px 0 0;width:auto;clip-path:none}
html:not(.rb-js) .rb-panels,html:not(.rb-js) .rb-hint,html:not(.rb-js) .rb-endo,html:not(.rb-js) .rb-tear{display:none}
html:not(.rb-js) .rb-cw{position:relative;left:auto;bottom:auto;transform:none;opacity:1;pointer-events:auto;padding:14px 0}
.rb-cw{width:max-content;max-width:96vw}.rb-cw:not(.rb-cw-f){flex-wrap:nowrap}
@media (max-width:860px){.rb-cwb{padding:0 8px 0 7px;gap:6px;font-size:9px;letter-spacing:.06em}.rb-cwb i{width:11px;height:11px}}