/* V-Drive CORE · site styles
   Palette sampled from the hero footage world: graphite studio, cool scan light,
   blue status LED, the logo's blue and red. */

:root{
  --canvas:#0b1015;
  --canvas-deep:#06090d;
  --panel:#121a22;
  --panel-2:#18222c;
  --line:rgba(201,209,216,.14);
  --line-strong:rgba(201,209,216,.42);
  --steel:#c9d1d8;
  --accent:#2f8dff;
  --accent-hover:#5ba6ff;
  --accent-ink:#04101f;
  --accent-muted:rgba(47,141,255,.18);
  --signal:#e2323c;
  --text-secondary:#9aa7b3;
  --text-primary:#e8edf1;

  --f-display:"Barlow Condensed","Arial Narrow",sans-serif;
  --f-body:"Barlow",system-ui,sans-serif;
  --f-mono:"IBM Plex Mono",ui-monospace,monospace;

  --ease-out:cubic-bezier(.16,1,.3,1);
  --ease-io:cubic-bezier(.65,0,.35,1);

  --tshadow:0 1px 2px rgba(5,7,10,.95),0 3px 12px rgba(5,7,10,.78),0 10px 44px rgba(5,7,10,.8);
  --gutter:clamp(16px,4vw,56px);
  --maxw:1240px;
  --nav-h:80px;
}

*,*::before,*::after{box-sizing:border-box}
html{overflow-x:hidden;overflow-x:clip;scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;overflow-x:hidden;overflow-x:clip;background:var(--canvas);color:var(--text-primary);
  font-family:var(--f-body);font-size:17px;line-height:1.6;-webkit-font-smoothing:antialiased;
  animation:page-in .9s var(--ease-out) both}
@keyframes page-in{from{opacity:0}to{opacity:1}}
img,svg,video{display:block;max-width:100%}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3,h4{font-family:var(--f-display);font-weight:600;line-height:1.02;letter-spacing:.005em;margin:0}
p{margin:0}
::selection{background:var(--accent);color:var(--accent-ink)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}

.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip{position:fixed;left:16px;top:-60px;z-index:100;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:8px;
  font-weight:600;text-decoration:none;transition:top .3s var(--ease-out)}
.skip:focus{top:12px}

/* ---------- The environment layer: one fixed place behind everything ---------- */
.env{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;background:var(--canvas)}
.env__grid{position:absolute;inset:-2px;opacity:.55;
  background-image:
    linear-gradient(rgba(201,209,216,.035) 1px,transparent 1px),
    linear-gradient(90deg,rgba(201,209,216,.035) 1px,transparent 1px);
  background-size:64px 64px;
  -webkit-mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 100%);
          mask-image:radial-gradient(ellipse 90% 80% at 50% 40%,#000 30%,transparent 100%)}
.env__glow{position:absolute;width:90vmax;height:90vmax;left:-20vmax;top:-30vmax;border-radius:50%;
  background:radial-gradient(circle,rgba(47,141,255,.10) 0%,rgba(47,141,255,.04) 35%,transparent 65%);
  animation:env-drift 90s var(--ease-io) -12s infinite alternate;will-change:transform}
@keyframes env-drift{0%{transform:translate3d(0,0,0)}50%{transform:translate3d(55vw,40vh,0)}100%{transform:translate3d(20vw,95vh,0)}}
.env__grain{position:absolute;inset:0;opacity:.06;mix-blend-mode:overlay;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='180' height='180'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}

/* ---------- Navigation ---------- */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;height:var(--nav-h);display:flex;align-items:center;
  padding:0 var(--gutter);gap:28px;transition:background-color .5s var(--ease-out),border-color .5s var(--ease-out),backdrop-filter .5s}
.nav::before{content:"";position:absolute;inset:0;background:rgba(10,14,18,.72);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);opacity:0;transition:opacity .5s var(--ease-out);z-index:-1}
.nav.is-solid::before{opacity:1}
.nav__brand{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.nav__brand img{height:46px;width:auto}
.nav__links{display:flex;gap:26px;margin-left:auto;list-style:none;padding:0;margin-top:0;margin-bottom:0}
.nav__links a{font-family:var(--f-mono);font-size:14.5px;letter-spacing:.07em;text-transform:uppercase;text-decoration:none;color:var(--text-secondary);
  position:relative;padding:6px 0;transition:color .3s var(--ease-out)}
.nav__links a::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .45s var(--ease-out)}
.nav__links a:hover{color:var(--text-primary)}
.nav__links a:hover::after{transform:scaleX(1)}
.nav__tools{display:flex;align-items:center;gap:14px}
.lang{display:flex;border:1px solid var(--line-strong);border-radius:999px;padding:3px}
.lang button{border:0;background:transparent;font-family:var(--f-mono);font-size:13px;letter-spacing:.06em;padding:6px 10px;border-radius:999px;cursor:pointer;color:var(--text-secondary);
  transition:background-color .3s var(--ease-out),color .3s var(--ease-out)}
.lang button[aria-pressed="true"]{background:var(--steel);color:var(--canvas)}
.nav__toggle{display:none;border:1px solid var(--line-strong);background:transparent;border-radius:10px;width:42px;height:42px;cursor:pointer;position:relative}
.nav__toggle span{position:absolute;left:11px;right:11px;height:1.5px;background:var(--text-primary);transition:transform .4s var(--ease-out),opacity .3s}
.nav__toggle span:nth-child(1){top:15px}.nav__toggle span:nth-child(2){top:20px}.nav__toggle span:nth-child(3){top:25px}
.nav.is-open .nav__toggle span:nth-child(1){transform:translateY(5px) rotate(45deg)}
.nav.is-open .nav__toggle span:nth-child(2){opacity:0}
.nav.is-open .nav__toggle span:nth-child(3){transform:translateY(-5px) rotate(-45deg)}
.live-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);position:relative;flex:0 0 auto}
.live-dot::after{content:"";position:absolute;inset:-5px;border-radius:50%;background:var(--accent);opacity:.35;animation:pulse 4.2s var(--ease-io) -1.3s infinite}
@keyframes pulse{0%,100%{transform:scale(.4);opacity:0}40%{opacity:.4}80%{transform:scale(1.6);opacity:0}}

/* ---------- Buttons ---------- */
.btn{--bg:var(--accent);display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:46px;padding:0 22px;border-radius:999px;border:1px solid transparent;
  background:var(--bg);color:var(--accent-ink);font-family:var(--f-body);font-weight:600;font-size:15.5px;letter-spacing:.01em;text-decoration:none;cursor:pointer;position:relative;
  transition:background-color .35s var(--ease-out),transform .35s var(--ease-out),border-color .35s var(--ease-out),color .35s var(--ease-out);text-shadow:none}
.btn:hover{background:var(--accent-hover);transform:translateY(-1px)}
.btn:active{transform:translateY(0)}
.btn--ghost{background:transparent;color:var(--text-primary);border-color:var(--line-strong)}
.btn--ghost:hover{background:rgba(201,209,216,.08);border-color:var(--steel)}
.btn--sm{min-height:38px;padding:0 16px;font-size:14px}
.btn .arrow{transition:transform .4s var(--ease-out)}
.btn:hover .arrow{transform:translateX(3px)}
@media (pointer:coarse){.btn{min-height:48px;display:inline-flex;align-items:center;justify-content:center}}

/* ---------- Shared type ---------- */
.kicker{display:inline-flex;align-items:center;gap:12px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-secondary)}
.reticle{width:18px;height:18px;flex:0 0 auto;color:var(--accent)}
.reticle line{transition:transform .9s var(--ease-out)}
.reticle .rh1{transform:translateX(-4px)}.reticle .rh2{transform:translateX(4px)}.reticle .rv1{transform:translateY(-4px)}.reticle .rv2{transform:translateY(4px)}
.in .reticle line{transform:none}
.h2{font-size:clamp(38px,5.4vw,72px);letter-spacing:-.005em}
.lede{font-size:clamp(17px,1.35vw,20px);color:var(--text-secondary);max-width:52ch}
.mono{font-family:var(--f-mono)}

.section{position:relative;padding:clamp(96px,13vw,180px) var(--gutter)}
.wrap{max-width:var(--maxw);margin:0 auto;position:relative}

/* Entrance choreography: container class prefixes both states */
.reveal .rv{opacity:0;transform:translateY(22px);transition:opacity .9s var(--ease-out),transform 1.1s var(--ease-out)}
.reveal.in .rv{opacity:1;transform:none}
.reveal.in .rv:nth-child(2){transition-delay:.08s}
.reveal.in .rv:nth-child(3){transition-delay:.16s}
.reveal.in .rv:nth-child(4){transition-delay:.24s}
.reveal.in .rv:nth-child(5){transition-delay:.32s}
.reveal.in.settled .rv,
.reveal.in.settled .rv:nth-child(2),.reveal.in.settled .rv:nth-child(3),
.reveal.in.settled .rv:nth-child(4),.reveal.in.settled .rv:nth-child(5){transition-delay:0s}

/* =====================================================================
   HERO: pinned scroll-scrubbed stage
   ===================================================================== */
.hero{position:relative;height:600vh}
.stage{position:sticky;top:0;height:100vh;height:100svh;overflow:hidden;background:#05080c}
.stage__media{position:absolute;inset:0}
.poster,.poster-end{position:absolute;inset:0;background-size:cover;background-position:78% 50%;background-repeat:no-repeat}
.poster-end{opacity:0}
#hero{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:78% 50%;opacity:0;transition:opacity .8s var(--ease-out);will-change:transform;transform:translateZ(0)}
.stage.video-ready #hero{opacity:1}
.stage.video-failed #hero{display:none}
/* Very wide screens: fit the height so the tower's top is never cropped, blend the left edge */
@media (min-aspect-ratio:2/1){
  .poster,.poster-end{background-size:auto 100%;background-position:right center}
  #hero{object-fit:contain;object-position:right center}
  .stage__media::after{content:"";position:absolute;inset:0;pointer-events:none;
    background:linear-gradient(90deg,#05080c 0%,#05080c calc(100% - 177.8vh),rgba(5,8,12,0) calc(100% - 177.8vh + 18vh))}
}
.stage__bottom-fade{position:absolute;left:0;right:0;bottom:0;height:12vh;background:linear-gradient(rgba(11,16,21,0),var(--canvas));pointer-events:none}
.scrim{position:absolute;inset:0;pointer-events:none;
  background:
    linear-gradient(90deg,rgba(8,11,15,.55) 0%,rgba(8,11,15,.18) 42%,rgba(8,11,15,0) 60%),
    radial-gradient(ellipse 120% 90% at 60% 45%,rgba(8,11,15,0) 38%,rgba(8,11,15,.6) 100%)}
.stage__top-fade{position:absolute;left:0;right:0;top:0;height:140px;background:linear-gradient(rgba(8,11,15,.55),transparent);pointer-events:none}

.bands{position:absolute;inset:0;pointer-events:none}
.band{position:absolute;left:var(--gutter);top:50%;width:min(600px,44vw);transform:translateY(-50%);opacity:0;text-shadow:var(--tshadow);--k:0}
.band::before{content:"";position:absolute;inset:-26% -30% -26% -22%;z-index:-1;pointer-events:none;opacity:calc(.25 + .75*var(--k,1));
  background:radial-gradient(ellipse 72% 62% at 42% 50%,rgba(5,7,10,.66) 0%,rgba(5,7,10,.42) 46%,rgba(5,7,10,0) 76%)}
.band .btn{text-shadow:none}
.band--settle{pointer-events:none}
.band.is-live{pointer-events:auto}
.band__kicker{margin-bottom:22px}
.band__title{font-size:clamp(46px,6.2vw,96px);font-weight:600;line-height:.98;max-width:12ch}
.band__title--xl{font-size:clamp(58px,8vw,124px)}
.band__sub{margin-top:22px;font-size:clamp(17px,1.35vw,21px);color:#c7d0d8;max-width:40ch}
.band__cta{margin-top:34px;display:flex;flex-wrap:wrap;gap:12px}
.band--settle .band__title{max-width:14ch}

/* Split text: .w words, .c characters (built in JS) */
.split{display:block}
.split .w{display:inline-block;white-space:nowrap;will-change:transform,opacity}
.split .c{display:inline-block;will-change:transform,opacity}

/* Band 1: approach from depth + blur to sharp (two stacked copies, opacity only) */
.b1 .depth{position:relative;display:block}
.b1 .depth .sharp,.b1 .depth .soft{display:block}
.b1 .depth .soft{position:absolute;inset:0;filter:blur(10px);opacity:calc(1 - var(--k,0));transform:scale(calc(.84 + .16*var(--k,0)));transform-origin:0 60%}
.b1 .depth .sharp{opacity:var(--k,0);transform:scale(calc(.84 + .16*var(--k,0)));transform-origin:0 60%}
.b1 .band__kicker,.b1 .band__sub{opacity:clamp(0,(var(--k,0) - .35)*2.2,1)}

/* Band 2: drift down with the scan line */
.b2 .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*2.8,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*-26px))}
.b2 .band__sub{opacity:clamp(0,(var(--k,0) - .6)*3,1);transform:translateY(calc((1 - clamp(0,(var(--k,0) - .6)*3,1))*-10px))}

/* Band 3: word punch with overshoot, each word a lock click */
.b3 .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3,1);--ks:clamp(0,(var(--k,0) - var(--th,0) - var(--sd,.1))*var(--ss,3.2),1);
  opacity:var(--kc);transform:scale(calc(.6 + (.4 + var(--ov,.12))*var(--kc) - var(--ov,.12)*var(--ks)));transform-origin:50% 70%}
.b3 .w.em{--ov:.22;--sd:.14;--ss:2.6}
.b3 .band__sub{opacity:clamp(0,(var(--k,0) - .72)*4,1)}
.lock-tick{display:inline-block;width:.18em;height:.18em;border-radius:50%;background:var(--signal);vertical-align:.52em;margin-left:.08em;
  opacity:clamp(0,(var(--k,0) - .62)*6,1);transform:scale(clamp(0,(var(--k,0) - .62)*6,1))}

/* Band 4: word-by-word rise into a staged settle */
.b4 .w{--kc:clamp(0,(var(--k,0) - var(--th,0))*3.2,1);opacity:var(--kc);transform:translateY(calc((1 - var(--kc))*0.5em))}
.b4 .band__sub{--ks:clamp(0,(var(--k,0) - .62)*4,1);opacity:var(--ks);transform:translateY(calc((1 - var(--ks))*12px))}
.b4 .band__cta{--kb:clamp(0,(var(--k,0) - .76)*5,1);opacity:var(--kb);transform:translateY(calc((1 - var(--kb))*12px))}

/* HUD chip */
.hud{position:absolute;left:var(--gutter);bottom:34px;display:flex;align-items:center;gap:14px;padding:10px 14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;
  color:#cfd7de;background:rgba(8,11,15,.55);border:1px solid rgba(120,140,160,.28);border-radius:10px;backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);text-shadow:0 1px 3px rgba(5,7,10,.85);
  opacity:0;transition:opacity .6s var(--ease-out)}
.hud.on{opacity:1}
.hud__bar{position:relative;width:3px;height:30px;background:rgba(201,209,216,.18);border-radius:2px;overflow:hidden}
.hud__bar i{position:absolute;left:0;right:0;top:0;height:100%;background:var(--steel);transform-origin:top;transform:scaleY(var(--scan,0))}
.hud__val{color:var(--text-primary);min-width:9ch}
.hud__state{display:flex;align-items:center;gap:8px}
.cue{position:absolute;right:var(--gutter);bottom:34px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary);display:flex;align-items:center;gap:12px;
  transition:opacity .6s var(--ease-out)}
.cue__line{width:1px;height:38px;background:linear-gradient(var(--steel),transparent);transform-origin:top;animation:cue 2.8s var(--ease-io) -.6s infinite}
@keyframes cue{0%{transform:scaleY(0);opacity:1}60%{transform:scaleY(1);opacity:1}100%{transform:scaleY(1);opacity:0}}
.ring{position:absolute;right:var(--gutter);top:calc(var(--nav-h) + 24px);width:34px;height:34px;color:var(--steel);opacity:.8;transition:opacity .6s var(--ease-out)}
.ring circle.track{stroke:rgba(201,209,216,.18)}
.ring circle.fill{transform:rotate(-90deg);transform-origin:50% 50%;transition:stroke-dashoffset .2s linear}
.stage.video-ready .ring,.stage.video-failed .ring{opacity:0}
@media (max-height:560px){.hud,.cue,.ring{display:none}}

/* Dust particles canvas */
.dust{position:absolute;inset:0;pointer-events:none;opacity:.7}

/* ---------- Static hero (phones, portrait tablets, reduced motion) ---------- */
.hero-static{display:none;position:relative;min-height:100vh;min-height:100svh;padding:calc(var(--nav-h) + 24px) var(--gutter) 48px;
  flex-direction:column;justify-content:flex-end;overflow:hidden;background:#0b0f14}
.hero-static__img{position:absolute;inset:0;background:url("../img/hero-ending.jpg") 78% 50%/cover no-repeat}
.hero-static__img::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(8,11,15,.72) 0%,rgba(8,11,15,.2) 55%,rgba(8,11,15,0) 70%)}
.hero-static__body{position:relative;max-width:640px;text-shadow:var(--tshadow)}
.hero-static__body .band__title{max-width:14ch}
.hero-static__body .btn{text-shadow:none}

/* The five static-hero gates. These strings match the GATES array in site.js character for character. */
@media (max-width: 720px), (orientation: portrait) and (max-width: 1024px), (orientation: portrait) and (pointer: coarse), (orientation: landscape) and (pointer: coarse) and (max-height: 560px), (prefers-reduced-motion: reduce){
  .hero{display:none}
  .hero-static{display:flex}
}
@media (max-width: 720px), (orientation: portrait) and (max-width: 1024px), (orientation: portrait) and (pointer: coarse){
  .hero-static{justify-content:flex-end;padding-top:0}
  .hero-static__img{inset:0 0 auto 0;height:min(139.6vw,74svh);background-image:url("../img/hero-static-portrait.jpg");background-position:50% 40%;background-size:cover}
  .hero-static__img::after{background:linear-gradient(180deg,rgba(11,16,21,.35) 0%,rgba(11,16,21,0) 18%,rgba(11,16,21,0) 55%,rgba(11,16,21,.85) 86%,var(--canvas) 100%)}
  .hero-static__body{padding-top:min(128vw,66svh)}
}

/* =====================================================================
   S1 · Problem
   ===================================================================== */
.problem .wrap{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:start}
.problem__head{position:sticky;top:calc(var(--nav-h) + 32px)}
.problem__head .h2{margin:22px 0 22px;max-width:12ch}
.problem__head .fx-cable{margin-top:34px}
.problem__list{list-style:none;margin:0;padding:0;display:grid;gap:0;border-top:1px solid var(--line);align-self:end}
.problem__item{display:grid;grid-template-columns:64px 1fr;gap:18px;padding:34px 18px 34px 0;border-bottom:1px solid var(--line);position:relative;transition:opacity .5s var(--ease-out)}
.problem__item::before{content:"";position:absolute;left:-18px;top:28px;bottom:28px;width:2px;border-radius:2px;background:var(--signal);transform:scaleY(0);transform-origin:top;transition:transform .5s var(--ease-out)}
.has-3d .problem__list:has(.is-on) .problem__item:not(.is-on){opacity:.42}
.problem__item.is-on::before{transform:scaleY(1)}
.problem__num{font-family:var(--f-mono);font-size:13px;color:var(--signal);letter-spacing:.08em;padding-top:10px}
.problem__item h3{font-size:clamp(30px,3vw,42px);margin-bottom:10px}
.problem__item p{color:var(--text-secondary);max-width:46ch}

/* ---------- 3D views (shared) ---------- */
.fx3d{position:relative;border-radius:20px;overflow:hidden;border:1px solid var(--line);
  background:radial-gradient(ellipse 80% 70% at 50% 60%,rgba(47,141,255,.07),transparent 70%),linear-gradient(180deg,rgba(20,28,36,.55),rgba(8,11,15,.35))}
.fx3d canvas{position:absolute;inset:0;width:100%;height:100%;display:block;transition:opacity .3s linear}
.fx3d::after{content:"";position:absolute;left:50%;top:50%;width:34px;height:34px;margin:-17px 0 0 -17px;border-radius:50%;border:2px solid rgba(201,209,216,.18);border-top-color:var(--accent);animation:spin 1s linear infinite;pointer-events:none;transition:opacity .4s}
.fx3d.is-live::after,.no-3d .fx3d::after,.fx3d.no-3d::after{opacity:0;animation:none}
.no-3d .fx3d,.fx3d.no-3d{display:none}
.fx-cable{aspect-ratio:4/3}
.fx-chip{position:absolute;left:14px;top:14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;color:var(--text-primary);background:rgba(8,11,15,.7);
  border:1px solid var(--line-strong);border-radius:8px;padding:7px 10px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);opacity:0;transform:translateY(-4px);transition:opacity .4s,transform .4s var(--ease-out)}
.fx-chip.on{opacity:1;transform:none}
.fx-alert{position:absolute;left:50%;top:14px;transform:translate(-50%,-6px);max-width:calc(100% - 28px);font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;font-weight:500;
  color:#fff;background:rgba(226,50,60,.88);border-radius:8px;padding:8px 12px;opacity:0;transition:opacity .35s,transform .35s var(--ease-out);text-align:center;pointer-events:none}
.fx-alert.on{opacity:1;transform:translate(-50%,0)}
.fx-alert.ok{background:rgba(47,141,255,.9);color:#04101f}
.fx-cable .fx-alert{top:auto;bottom:14px;transform:translate(-50%,6px)}
.fx-cable .fx-alert.on{transform:translate(-50%,0)}
.fx-read{position:absolute;right:14px;bottom:14px;font-family:var(--f-mono);font-size:12.5px;letter-spacing:.08em;color:var(--text-primary);background:rgba(8,11,15,.6);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-variant-numeric:tabular-nums}
.fx-cable .fx-read{right:14px;top:14px;bottom:auto}
.fx-read--tl{left:14px;top:14px;right:auto;bottom:auto;color:var(--text-secondary);font-size:11.5px}
.fx-read:empty{display:none}
.fx-cap{margin-top:12px;font-family:var(--f-mono);font-size:12px;letter-spacing:.04em;color:var(--text-secondary);line-height:1.5}
.fx-tag{position:absolute;left:0;top:0;font-family:var(--f-mono);font-size:11px;letter-spacing:.08em;color:var(--text-primary);background:rgba(8,11,15,.72);border:1px solid var(--line-strong);
  border-radius:6px;padding:3px 6px;margin:-11px 0 0 -16px;pointer-events:none;transition:border-color .3s,background-color .3s;will-change:transform}
.fx-tag.fix{color:var(--text-secondary)}
.fx-tag.sel{border-color:var(--accent);background:rgba(47,141,255,.28)}
.fx-dim{position:absolute;left:0;top:0;font-family:var(--f-mono);font-size:13px;font-weight:500;color:#cfe4ff;background:rgba(8,11,15,.72);border:1px solid rgba(47,141,255,.6);border-radius:6px;padding:3px 8px;pointer-events:none;will-change:transform;white-space:nowrap}
.fx-play{position:absolute;right:14px;bottom:14px;width:40px;height:40px;border-radius:50%;border:1px solid var(--line-strong);background:rgba(8,11,15,.6);color:var(--text-primary);display:grid;place-items:center;cursor:pointer;transition:background-color .3s,border-color .3s}
.fx-play:hover{border-color:var(--steel);background:rgba(8,11,15,.85)}
.fx-play .i-play{display:none}
.fx-play.paused .i-play{display:block}
.fx-play.paused .i-pause{display:none}

/* =====================================================================
   S2 · Technology (annotated product)
   ===================================================================== */
.tech__head{text-align:center;max-width:860px;margin:0 auto}
.tech__head .h2{margin:22px auto 20px;max-width:16ch}
.tech__head .lede{margin:0 auto}
.anatomy{position:relative;margin:clamp(40px,6vw,80px) auto 0;max-width:1240px;aspect-ratio:1200/760}
.anatomy__svg{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.anatomy__svg .lead{stroke:var(--steel);stroke-opacity:.55;stroke-width:1;fill:none;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.3s var(--ease-out)}
.anatomy__svg .lead.dashed{stroke-dasharray:1;}
.anatomy__svg .pin{fill:var(--canvas);stroke:var(--accent);stroke-width:1.5;opacity:0;transform-box:fill-box;transform-origin:center;transform:scale(.3);transition:opacity .5s var(--ease-out),transform .6s var(--ease-out)}
.anatomy__svg .pin-core{fill:var(--accent)}
.anatomy.in .lead{stroke-dashoffset:0}
.anatomy.in .pin{opacity:1;transform:none}
.anatomy .waves path{stroke:var(--accent);fill:none;stroke-width:1.2;opacity:0}
.anatomy.in .waves path{animation:wave 4.8s var(--ease-out) infinite}
.anatomy.in .waves path:nth-child(2){animation-delay:-1.6s}
.anatomy.in .waves path:nth-child(3){animation-delay:-3.2s}
@keyframes wave{0%{opacity:0;transform:scale(.6)}30%{opacity:.55}100%{opacity:0;transform:scale(1.25)}}
.anatomy .waves path{transform-box:fill-box;transform-origin:50% 100%}
.callout{position:absolute;width:min(270px,23%);opacity:0;transform:translateY(10px);transition:opacity .8s var(--ease-out),transform .9s var(--ease-out)}
.anatomy.in .callout{opacity:1;transform:none}
.anatomy.in .callout:nth-of-type(2){transition-delay:.12s}
.anatomy.in .callout:nth-of-type(3){transition-delay:.24s}
.anatomy.in .callout:nth-of-type(4){transition-delay:.36s}
.anatomy.in .callout:nth-of-type(5){transition-delay:.48s}
.callout__idx{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.14em;color:var(--accent);text-transform:uppercase}
.callout h3{font-size:24px;margin:6px 0 8px}
.callout p{font-size:15px;color:var(--text-secondary);line-height:1.55}
.callout--opt h3::after{content:"";}
.callout--r{text-align:left}
.tech__close{margin:clamp(40px,5vw,64px) auto 0;text-align:center;font-family:var(--f-display);font-size:clamp(26px,2.6vw,36px);color:var(--steel);max-width:26ch}
.tech__close b{color:var(--text-primary);font-weight:600}

/* =====================================================================
   S3 · How it works + Zero Dial (signature)
   ===================================================================== */
.how .wrap{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:center}
.how__head{grid-column:1/-1;max-width:780px;margin-bottom:clamp(8px,2vw,24px)}
.how__head .h2{margin-top:22px;max-width:18ch}
@keyframes spin{to{transform:rotate(360deg)}}
.vise-col{min-width:0}
.fx-vise{aspect-ratio:1/1;max-height:640px;width:100%}
.vread{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:14px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.vread > div{background:var(--canvas);padding:11px 14px;display:flex;flex-direction:column;gap:4px;min-width:0}
.vread span{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.14em;color:var(--text-secondary);text-transform:uppercase;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.vread b{font-family:var(--f-mono);font-weight:500;font-size:clamp(15px,1.35vw,19px);color:var(--text-primary);font-variant-numeric:tabular-nums;white-space:nowrap;transition:color .3s}
.vread b.warn{color:#ffc15a}
.vread b.ok{color:#5fe39a}
.hold{margin:22px auto 0;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.hold__btn{min-width:250px}
.hold__btn[disabled]{opacity:.55;cursor:progress;transform:none}
.hold__hint{font-size:14.5px;color:var(--text-secondary);max-width:44ch}
.hold__done{font-family:var(--f-display);font-size:26px;color:var(--text-primary);opacity:0;transform:translateY(8px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
.how.is-done .hold__done{opacity:1;transform:none}
.vise-col .fx-cap{text-align:center;max-width:60ch;margin:14px auto 0}
.steps{list-style:none;margin:0;padding:0;position:relative}
.steps::before{content:"";position:absolute;left:19px;top:20px;bottom:20px;width:1px;background:var(--line)}
.steps::after{content:"";position:absolute;left:19px;top:20px;width:1px;height:calc(100% - 40px);background:var(--accent);transform-origin:top;transform:scaleY(var(--sp,0));transition:transform .35s var(--ease-out)}
.step{position:relative;display:grid;grid-template-columns:40px 1fr;gap:22px;padding:18px 0}
.step__dot{width:39px;height:39px;border-radius:50%;border:1px solid var(--line-strong);background:var(--canvas);display:grid;place-items:center;font-family:var(--f-mono);font-size:12px;color:var(--text-secondary);
  transition:border-color .4s var(--ease-out),color .4s var(--ease-out),background-color .4s var(--ease-out)}
.step h3{font-size:28px;margin:4px 0 6px;color:var(--text-secondary);transition:color .4s var(--ease-out)}
.step p{color:var(--text-secondary);font-size:16px;max-width:42ch}
.step.on .step__dot{border-color:var(--accent);color:var(--text-primary);background:var(--accent-muted)}
.step.on h3{color:var(--text-primary)}
.step[data-step="4"].on .step__dot{border-color:var(--signal);background:rgba(226,50,60,.14)}

/* =====================================================================
   S4 · Benefits (2×2)
   ===================================================================== */
.gains__head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:end;gap:24px 60px;margin-bottom:clamp(40px,5vw,72px)}
.gains__head .h2{max-width:15ch;margin-top:22px}
.gains__grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:22px;overflow:hidden}
.gain{background:var(--canvas);padding:clamp(28px,3.4vw,48px);display:grid;grid-template-columns:auto 1fr;gap:10px 26px;position:relative;transition:background-color .5s var(--ease-out)}
.gain:hover{background:#101820}
.gain__num{font-family:var(--f-mono);font-size:13px;color:var(--accent);letter-spacing:.08em;grid-column:1;grid-row:1}
.gain__icon{grid-column:1;grid-row:2 / span 2;width:64px;height:64px;color:var(--steel)}
.gain__icon path,.gain__icon rect,.gain__icon circle,.gain__icon line,.gain__icon polyline{fill:none;stroke:currentColor;stroke-width:1.4;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.6s var(--ease-out)}
.gains.in .gain__icon *{stroke-dashoffset:0}
.gain__icon .acc{stroke:var(--accent)}
.gain h3{grid-column:2;grid-row:2;font-size:clamp(28px,2.6vw,36px)}
.gain p{grid-column:2;grid-row:3;color:var(--text-secondary);max-width:44ch}
.gain .glow{position:absolute;right:-60px;top:-60px;width:180px;height:180px;border-radius:50%;background:radial-gradient(circle,rgba(47,141,255,.16),transparent 70%);opacity:0;transition:opacity .6s var(--ease-out);pointer-events:none}
.gain:hover .glow{opacity:1}

/* =====================================================================
   S5 · Shop floor (video + filmstrip)
   ===================================================================== */
.floor{background:linear-gradient(180deg,transparent,rgba(8,11,15,.6) 18%,rgba(8,11,15,.6) 82%,transparent)}
.floor .wrap{display:grid;grid-template-columns:minmax(260px,360px) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.floor__head{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px 60px;align-items:end;margin-bottom:12px}
.floor__head .h2{margin-top:22px}
.player{position:relative;border-radius:20px;overflow:hidden;background:#000;aspect-ratio:9/16;border:1px solid var(--line)}
.player video{width:100%;height:100%;object-fit:cover}
.player__poster{position:absolute;inset:0;background:center/cover no-repeat;transition:opacity .5s var(--ease-out)}
.player__play{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border:0;background:linear-gradient(180deg,rgba(8,11,15,.1),rgba(8,11,15,.55));cursor:pointer;
  transition:opacity .5s var(--ease-out)}
.player__play .disc{width:74px;height:74px;border-radius:50%;background:rgba(232,237,241,.12);border:1px solid rgba(232,237,241,.5);display:grid;place-items:center;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
  transition:transform .5s var(--ease-out),background-color .4s}
.player__play:hover .disc{transform:scale(1.06);background:rgba(47,141,255,.35)}
.player__play .lbl{font-family:var(--f-mono);font-size:12px;letter-spacing:.14em;text-transform:uppercase}
.player.is-playing .player__play,.player.is-playing .player__poster{opacity:0;pointer-events:none}
.player__cap{margin-top:14px;font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;color:var(--text-secondary)}
.strip{position:relative;min-width:0}
.strip__track{display:flex;gap:18px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:18px;scrollbar-width:thin;scrollbar-color:var(--line-strong) transparent;cursor:grab}
.strip__track:active{cursor:grabbing}
.strip__item{flex:0 0 min(340px,72%);scroll-snap-align:start;margin:0}
.strip__img{border-radius:16px;overflow:hidden;aspect-ratio:3/4;border:1px solid var(--line);background:var(--panel)}
.strip__img img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease-out)}
.strip__item:hover .strip__img img{transform:scale(1.035)}
.strip__item figcaption{margin-top:12px;font-size:14.5px;color:var(--text-secondary)}
.strip__nav{display:flex;gap:10px;margin-top:8px}
.strip__nav button{width:44px;height:44px;border-radius:50%;border:1px solid var(--line-strong);background:transparent;cursor:pointer;display:grid;place-items:center;transition:border-color .3s,background-color .3s}
.strip__nav button:hover{border-color:var(--steel);background:rgba(201,209,216,.06)}

/* =====================================================================
   S5b · Crate → workbench
   ===================================================================== */
.crate__head{max-width:860px;margin-bottom:clamp(32px,4vw,52px)}
.crate__head .h2{margin:22px 0 18px;max-width:18ch}
.fx-crate{aspect-ratio:16/9;width:100%}
.crate__steps{display:grid;grid-template-columns:1fr 1fr;gap:clamp(16px,2.5vw,32px);margin-top:18px}
.crate__grp{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.crate__grp h3{grid-column:1/-1;font-family:var(--f-mono);font-weight:500;font-size:11.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--text-secondary);margin:0 0 2px}
.crate__steps button{position:relative;text-align:left;background:rgba(20,28,36,.55);border:1px solid var(--line);border-radius:12px;padding:12px 12px 16px;cursor:pointer;display:flex;flex-direction:column;gap:6px;
  font-size:14px;line-height:1.35;color:var(--text-secondary);overflow:hidden;transition:border-color .3s,color .3s,background-color .3s}
.crate__steps button:hover{border-color:var(--line-strong);color:var(--text-primary)}
.crate__steps .n{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;color:var(--accent)}
.crate__steps .bar{position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--accent);transform:scaleX(0);transform-origin:left}
.crate__steps button.on{border-color:var(--accent);color:var(--text-primary);background:rgba(47,141,255,.1)}
.crate__steps button.on .bar{transform:scaleX(var(--p,0))}
.crate__steps button.done .bar{transform:scaleX(1);opacity:.35}

/* =====================================================================
   S6 · HMI
   ===================================================================== */
.hmi__head{max-width:860px;margin-bottom:clamp(32px,4vw,56px)}
.hmi__head .h2{margin:22px 0 18px;max-width:16ch}
.hmi__stage{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:clamp(20px,3vw,40px);align-items:stretch}
.fx-hmitower{min-height:420px}
.hmi__list{list-style:none;margin:clamp(36px,4vw,56px) 0 0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 clamp(20px,3vw,40px)}
.hmi__list li{padding:22px 0;border-top:1px solid var(--line);display:grid;gap:10px}
.hmi__list .t{font-family:var(--f-mono);font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.hmi__list h3{font-size:25px;margin-bottom:4px}
.hmi__list p{color:var(--text-secondary)}

/* The device: white enclosure, two handles, black bezel, an E-stop */
.hmi-dev{min-width:0}
.hmi-dev__case{position:relative;background:linear-gradient(180deg,#eef0f2,#d7dbdf);border-radius:22px;padding:22px 64px 26px;box-shadow:0 30px 60px -30px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.8),inset 0 -2px 0 rgba(0,0,0,.08)}
.hmi-dev__handle{position:absolute;top:18%;bottom:18%;width:28px;border-radius:14px;background:linear-gradient(90deg,#c9ced3,#f4f5f6 45%,#bcc2c8);box-shadow:0 6px 14px -6px rgba(0,0,0,.45)}
.hmi-dev__handle.l{left:16px}
.hmi-dev__handle.r{right:16px}
.hmi-dev__bezel{background:#111315;border-radius:14px;padding:14px;box-shadow:inset 0 0 0 1px #2a2d31;container-type:inline-size}
.hmi-dev__estop{position:absolute;right:-12px;top:-14px;width:54px;height:54px;border-radius:50%;border:0;cursor:pointer;background:radial-gradient(circle at 50% 50%,#ffd12a 0 58%,#1b1b1b 59% 62%,#ffd12a 63%);box-shadow:0 8px 18px -8px rgba(0,0,0,.7)}
.hmi-dev__estop span{position:absolute;inset:11px;border-radius:50%;background:radial-gradient(circle at 40% 35%,#ff6b6b,#c9171f 70%);box-shadow:0 3px 0 #8a0f14;transition:transform .15s,box-shadow .15s}
.hmi-dev__estop[aria-pressed="true"] span{transform:translateY(2px);box-shadow:0 1px 0 #8a0f14}
.hmi-dev__estop:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* The screen */
.hmi-scr{--hb:#1f6fbf;--hc:#48b4ff;--hg:#7cf09a;--hp:#0f1822;position:relative;display:grid;gap:8px;padding:10px;border-radius:6px;overflow:hidden;
  background:radial-gradient(ellipse 120% 90% at 30% 10%,#132131,#080d13 70%);color:#dbe7f2;font-family:var(--f-body);font-size:12px;line-height:1.2;
  grid-template-columns:1fr 1fr .86fr;grid-template-areas:"c1 c3 side" "c2 c4 side" "bar bar bar";user-select:none;-webkit-user-select:none}
.hmi-scr button{font:inherit;color:inherit;cursor:pointer;-webkit-tap-highlight-color:transparent}
.hs-tile{appearance:none;text-align:left;background:linear-gradient(180deg,#121c27,#0c141c);border:1px solid #223244;border-radius:8px;padding:9px 10px;display:flex;flex-direction:column;gap:6px;min-height:118px;
  transition:border-color .25s,box-shadow .25s}
.hs-tile.sel{border-color:var(--hc);box-shadow:0 0 0 1px var(--hc),0 0 18px -6px var(--hc)}
.hs-tile.fix{cursor:default}
.hs-tile__head{display:flex;justify-content:space-between;align-items:center;gap:8px}
.hs-name{font-weight:600;font-size:13.5px;letter-spacing:.04em;color:var(--hc)}
.hs-st{width:18px;height:18px;border-radius:4px;background:#39434d;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12);flex:0 0 auto}
.hs-st.ok{background:#35c56a;box-shadow:0 0 10px -2px #35c56a}
.hs-st.run{background:#ffb020;animation:hsblink .5s steps(2) infinite}
.hs-st.bad{background:#ff3b3b;box-shadow:0 0 10px -2px #ff3b3b}
.hs-st.fixed{background:#e0562b}
@keyframes hsblink{50%{opacity:.35}}
.hs-fix{flex:1;display:grid;place-items:center;font-family:var(--f-mono);font-weight:500;font-size:clamp(20px,5.2cqw,34px);letter-spacing:.06em;color:var(--hg);text-shadow:0 0 12px rgba(124,240,154,.45)}
.seg{width:100%;height:auto;max-height:48px;color:var(--hg);transform:skewX(-6deg);filter:drop-shadow(0 0 6px rgba(124,240,154,.45));margin:2px 0}
.seg polygon,.seg circle{fill:currentColor;opacity:.07}
.seg polygon.on,.seg circle.on{opacity:1}
.hs-live{display:grid;grid-template-columns:repeat(3,1fr);gap:4px}
.hs-live > span{display:block;background:#0a1118;border:1px solid #1d2a38;border-radius:4px;padding:3px 5px;font-size:10px;color:#8fa6ba;white-space:nowrap;overflow:hidden}
.hs-live i{display:block;font-style:normal;font-size:8.5px;letter-spacing:.08em;color:#5e7a93}
.hs-live b{font-family:var(--f-mono);font-weight:500;font-size:12px;color:#e8f2fb;font-variant-numeric:tabular-nums}
.hs-side{display:flex;flex-direction:column;gap:6px;min-width:0}
.hs-brand{display:flex;align-items:center;justify-content:space-between;gap:8px;background:#0c141c;border:1px solid #223244;border-radius:8px;padding:6px 8px}
.hs-brand img{height:22px;width:auto}
.hs-rf{display:flex;align-items:flex-end;gap:2px;height:14px}
.hs-rf i{width:3px;background:var(--hc);border-radius:1px}
.hs-rf i:nth-child(1){height:30%}.hs-rf i:nth-child(2){height:55%}.hs-rf i:nth-child(3){height:80%}.hs-rf i:nth-child(4){height:100%;opacity:.5}
.hs-box{background:#0c141c;border:1px solid #223244;border-radius:8px;padding:6px 8px}
.hs-box h5{margin:0 0 4px;font-family:var(--f-body);font-weight:600;font-size:10.5px;letter-spacing:.08em;color:var(--hc);border-bottom:1px solid #223244;padding-bottom:3px}
.hs-row{display:flex;align-items:center;gap:6px;font-size:10px;color:#8fa6ba;letter-spacing:.06em}
.hs-row b{font-family:var(--f-mono);font-weight:500;color:#e8f2fb;font-size:11px}
.hs-clock{margin-left:auto;color:#5fe39a!important;font-size:12px!important}
.hs-pals{display:grid;grid-template-columns:1fr 1fr;gap:5px;margin-top:5px}
.hs-pal{display:grid;grid-template-columns:1fr auto;align-items:center;gap:2px 4px;border:1px solid #223244;border-radius:5px;padding:3px 5px;font-size:8.5px;color:#8fa6ba;white-space:nowrap;transition:border-color .3s}
.hs-pal.on{border-color:var(--hc)}
.hs-bat{width:22px;height:10px;border:1px solid #ff6a4a;border-radius:2px;position:relative;display:block}
.hs-bat::after{content:"";position:absolute;right:-3px;top:2px;width:2px;height:4px;background:#ff6a4a}
.hs-bat em{position:absolute;left:1px;top:1px;bottom:1px;width:calc((100% - 2px) * var(--b,1));background:#5fe39a}
.hs-count{grid-column:1/-1;background:#f3e27a;color:#1a1a1a;border-radius:3px;text-align:center;font-family:var(--f-mono);font-weight:500;font-size:13px;padding:1px 0}
.hs-io{list-style:none;margin:0;padding:0;display:grid;gap:3px}
.hs-io li{display:flex;justify-content:space-between;align-items:center;gap:6px;font-size:10.5px;color:#cfdbe6}
.hs-io i{width:11px;height:11px;border-radius:50%;background:#3a2b27;box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);flex:0 0 auto;transition:background-color .2s,box-shadow .2s}
.hs-io li.on i{background:#4be38a;box-shadow:0 0 8px #4be38a}
.hs-io li.bad i{background:#ff3b3b;box-shadow:0 0 8px #ff3b3b}
.hs-bar{display:grid;grid-template-columns:auto auto 1fr auto;gap:8px;background:#0c141c;border:1px solid #223244;border-radius:8px;padding:6px 8px}
.hs-grp{display:flex;flex-direction:column;gap:4px;min-width:0;padding-right:8px;border-right:1px solid #223244}
.hs-grp:last-child{border-right:0;padding-right:0}
.hs-grp h6{margin:0;font-family:var(--f-body);font-weight:500;font-size:9.5px;letter-spacing:.08em;color:var(--hc);text-align:center;white-space:nowrap}
.hs-grp > div{display:flex;gap:5px}
.hs-bar button{min-width:40px;height:38px;padding:0 8px;border-radius:6px;background:#101a24;border:1px solid #2a3b4e;color:#9fb6ca;font-weight:600;font-size:12px;
  display:inline-flex;align-items:center;justify-content:center;transition:background-color .15s,border-color .15s,color .15s,box-shadow .15s}
.hs-bar button:hover{border-color:#3d5872;color:#dbe7f2}
.hs-bar button[aria-pressed="true"]{border-color:var(--hc);color:#e8f4ff;background:#123150;box-shadow:0 0 12px -4px var(--hc)}
.hs-bar button.down,.hs-bar button:active{background:#1a3a5c;transform:translateY(1px)}
.hs-steps > div{flex-wrap:nowrap}
.hs-deg{color:#ff8a5c!important}
.hs-zero{color:#ff8a5c!important;border-color:#6a3a28!important;background:#1d1310!important}
.hmi-scr.is-auto .hs-jog button,.hmi-scr.is-auto .hs-steps button,.hmi-scr.is-auto .hs-zero{opacity:.45}
.hmi-scr.is-alarm{box-shadow:inset 0 0 0 2px rgba(255,59,59,.7)}
.hs-toast{position:absolute;left:37%;top:46%;transform:translate(-50%,8px);max-width:90%;background:rgba(8,13,19,.94);border:1px solid var(--hc);border-radius:6px;padding:7px 12px;
  font-family:var(--f-mono);font-size:11.5px;color:#e8f4ff;opacity:0;transition:opacity .25s,transform .25s;pointer-events:none;text-align:center}
.hs-toast.on{opacity:1;transform:translate(-50%,0)}
.hs-pad{position:absolute;right:10px;bottom:10px;width:min(250px,70%);background:#0b131b;border:1px solid var(--hc);border-radius:8px;padding:8px;box-shadow:0 20px 40px -10px rgba(0,0,0,.8);z-index:2}
.hs-pad[hidden]{display:none}
.hs-pad__disp{display:flex;justify-content:space-between;align-items:baseline;background:#050a0f;border:1px solid #223244;border-radius:5px;padding:6px 8px;margin-bottom:6px;font-size:10px;color:#8fa6ba}
.hs-pad__disp b{font-family:var(--f-mono);font-weight:500;font-size:20px;color:var(--hg)}
.hs-pad__keys{display:grid;grid-template-columns:repeat(4,1fr);gap:5px}
.hs-pad__keys button{height:34px;border-radius:5px;background:#101a24;border:1px solid #2a3b4e;color:#dbe7f2;font-family:var(--f-mono);font-size:14px}
.hs-pad__keys button:active{background:#1a3a5c}
.hs-pad__keys .go{grid-column:span 2;background:#0f4d2a;border-color:#35c56a;color:#e8fff0;font-family:var(--f-body);font-weight:600}
.hs-pad__keys [data-key="x"]{font-family:var(--f-body);font-size:10px}
@container (max-width: 560px){
  .hmi-scr{grid-template-columns:1fr 1fr;grid-template-areas:"c1 c3" "c2 c4" "side side" "bar bar"}
  .hs-side{display:grid;grid-template-columns:1fr 1fr;gap:6px}
  .hs-brand{grid-column:1/-1}
  .hs-bar{grid-template-columns:1fr 1fr}
  .hs-grp{border-right:0;padding-right:0}
  .hs-steps{grid-column:1/-1}
  .hs-steps > div button{flex:1}
  .hs-toast{left:50%;top:30%}
}
@container (max-width: 400px){
  .hs-side{grid-template-columns:1fr}
  .hs-tile{padding:7px;min-height:0}
  .hs-name{font-size:11.5px}
  .hs-live{grid-template-columns:1fr;gap:2px}
  .hs-live > span{display:flex;justify-content:space-between;align-items:baseline;gap:4px;font-size:9px;padding:2px 4px}
  .hs-live i{display:inline;font-size:8px}
  .hs-live b{font-size:11px;margin-left:auto}
  .hs-bar button{min-width:36px;height:40px;padding:0 6px}
  .fx-alert{font-size:10.5px}
}

/* =====================================================================
   S7 · Models (tabs)
   ===================================================================== */
.models__head{text-align:center;max-width:820px;margin:0 auto clamp(36px,5vw,64px)}
.models__head .h2{margin:22px auto 0;max-width:18ch}
.tabs{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);border-radius:18px;overflow:hidden;background:var(--line);gap:1px}
.tab{appearance:none;border:0;background:var(--canvas);padding:22px 18px;text-align:left;cursor:pointer;position:relative;transition:background-color .4s var(--ease-out)}
.tab__name{font-family:var(--f-display);font-weight:600;font-size:clamp(30px,3.4vw,48px);line-height:1;color:var(--text-secondary);transition:color .4s var(--ease-out)}
.tab__meta{display:block;margin-top:8px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-secondary)}
.tab::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .5s var(--ease-out)}
.tab[aria-selected="true"]{background:#111921}
.tab[aria-selected="true"] .tab__name{color:var(--text-primary)}
.tab[aria-selected="true"]::after{transform:scaleX(1)}
.tab:hover .tab__name{color:var(--text-primary)}
.panels{position:relative;margin-top:28px;display:grid}
.panel{grid-area:1/1;display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,5vw,80px);align-items:center;padding:clamp(24px,3vw,40px);border:1px solid var(--line);border-radius:22px;background:rgba(20,28,36,.55);
  opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .5s var(--ease-out),transform .6s var(--ease-out),visibility 0s .5s}
.panel.is-active{opacity:1;visibility:visible;transform:none;transition:opacity .6s var(--ease-out),transform .7s var(--ease-out),visibility 0s}
.panel__diagram{width:100%;max-width:360px;margin:0 auto;color:var(--steel)}
.panel__diagram .body{fill:rgba(201,209,216,.04);stroke:var(--line-strong)}
.panel__diagram .fixed{fill:rgba(201,209,216,.06);stroke:var(--steel);stroke-opacity:.6}
.panel__diagram .rot{fill:none;stroke:var(--accent);stroke-width:1.5}
.panel__diagram .rot-arrow{fill:none;stroke:var(--accent);stroke-width:1.5;transform-box:view-box}
.panel.is-active .spin-g{animation:spin 9s linear infinite}
.panel__diagram .hatch{stroke:var(--steel);stroke-opacity:.25}
.panel__diagram .dash{fill:none;stroke:var(--steel);stroke-opacity:.6;stroke-dasharray:5 6}
.panel h3{font-size:clamp(28px,2.8vw,38px);margin-bottom:14px;max-width:20ch}
.panel p{color:var(--text-secondary);max-width:48ch}
.panel__legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;font-family:var(--f-mono);font-size:12px;color:var(--text-secondary);letter-spacing:.06em}
.panel__legend span{display:inline-flex;align-items:center;gap:8px}
.panel__legend i{width:12px;height:12px;border-radius:50%;display:inline-block}
.panel__legend .lg-rot{border:1.5px solid var(--accent)}
.panel__legend .lg-fix{border:1.5px solid var(--steel);border-radius:3px;background:rgba(201,209,216,.08)}

/* Pallet size selector */
.sizes{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);gap:clamp(28px,4vw,64px);align-items:center;margin-top:clamp(48px,6vw,88px);
  padding:clamp(18px,2.4vw,32px);border:1px solid var(--line);border-radius:22px;background:rgba(20,28,36,.4)}
.fx-sizes{aspect-ratio:5/4;width:100%}
.sizes__t{font-size:clamp(30px,3vw,42px);margin:18px 0 12px}
.sizes__l{color:var(--text-secondary);max-width:46ch}
.sizes__btns{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
.sizes__btns button{appearance:none;cursor:pointer;background:var(--canvas);border:1px solid var(--line-strong);border-radius:14px;padding:14px 10px;display:flex;flex-direction:column;align-items:center;gap:2px;color:var(--text-secondary);
  transition:border-color .3s,background-color .3s,color .3s,transform .3s var(--ease-out)}
.sizes__btns button b{font-family:var(--f-display);font-weight:600;font-size:clamp(32px,3.2vw,44px);line-height:1;color:var(--text-primary)}
.sizes__btns button span{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.06em}
.sizes__btns button:hover{border-color:var(--steel);transform:translateY(-2px)}
.sizes__btns button[aria-pressed="true"]{border-color:var(--accent);background:rgba(47,141,255,.14);color:var(--text-primary)}
.sizes__dl{margin:22px 0 0;display:grid;gap:0;border-top:1px solid var(--line)}
.sizes__dl > div{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px solid var(--line)}
.sizes__dl dt{color:var(--text-secondary);font-size:15px}
.sizes__dl dd{margin:0;font-family:var(--f-mono);font-size:15px;color:var(--text-primary);text-align:right}
.sizes__note{margin-top:14px;font-size:14.5px;color:var(--text-secondary)}

/* =====================================================================
   S8 · Specs (technical drawing + table + counters)
   ===================================================================== */
.specs .wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(40px,6vw,96px);align-items:start}
.specs__head{grid-column:1/-1;margin-bottom:8px}
.specs__head .h2{margin-top:22px}
.drawing{position:sticky;top:calc(var(--nav-h) + 40px)}
.drawing svg{width:100%;height:auto;overflow:visible}
.drawing .ln{fill:none;stroke:var(--steel);stroke-width:1.2;stroke-opacity:.85;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 2.2s var(--ease-out)}
.drawing .ln.thin{stroke-width:.8;stroke-opacity:.5}
.drawing .dim{fill:none;stroke:var(--accent);stroke-width:.9;stroke-dasharray:1;stroke-dashoffset:1;transition:stroke-dashoffset 1.6s var(--ease-out) .9s}
.drawing .dimtxt{fill:#8cc2ff;font-family:var(--f-mono);font-weight:500;font-size:21px;opacity:0;transition:opacity .8s var(--ease-out) 1.6s}
.drawing .lbl{fill:var(--text-secondary);font-family:var(--f-mono);font-size:15px;letter-spacing:.1em;opacity:0;transition:opacity .8s var(--ease-out) .6s}
.drawing .num{fill:var(--text-secondary);font-family:var(--f-mono);font-size:15px;opacity:0;transition:opacity .8s var(--ease-out) 1.2s}
.drawing.in .ln,.drawing.in .dim{stroke-dashoffset:0}
.drawing.in .dimtxt,.drawing.in .lbl,.drawing.in .num{opacity:1}
.drawing__note{margin-top:14px;font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;color:var(--text-secondary)}
.spec-table{width:100%;border-collapse:collapse}
.spec-table th,.spec-table td{text-align:left;padding:15px 0;border-bottom:1px solid var(--line);vertical-align:baseline}
.spec-table th{font-weight:400;color:var(--text-secondary);font-size:15.5px;width:46%;padding-right:18px}
.spec-table td{font-family:var(--f-mono);font-size:15px;color:var(--text-primary)}
.counters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:40px;background:var(--line);border:1px solid var(--line);border-radius:18px;overflow:hidden}
.counter{background:var(--canvas);padding:22px 20px}
.counter__val{font-family:var(--f-display);font-weight:600;font-size:clamp(34px,3.4vw,48px);line-height:1;font-variant-numeric:tabular-nums;white-space:nowrap}
.counter__val small{font-size:.5em;color:var(--text-secondary);margin-left:4px;font-weight:500}
.counter__lbl{margin-top:8px;font-size:13.5px;color:var(--text-secondary);line-height:1.4}
.specs__dl{margin-top:30px}

/* =====================================================================
   S9 · FAQ
   ===================================================================== */
.faq .wrap{max-width:900px}
.faq__head{margin-bottom:clamp(32px,4vw,56px)}
.faq__head .h2{margin-top:22px}
.qa{border-top:1px solid var(--line)}
.qa:last-child{border-bottom:1px solid var(--line)}
.qa__q{width:100%;display:flex;justify-content:space-between;align-items:center;gap:24px;padding:26px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-family:var(--f-display);font-weight:600;font-size:clamp(23px,2.2vw,30px);line-height:1.15;color:var(--text-primary)}
.qa__icon{flex:0 0 auto;width:30px;height:30px;border-radius:50%;border:1px solid var(--line-strong);position:relative;transition:border-color .3s,transform .5s var(--ease-out)}
.qa__icon::before,.qa__icon::after{content:"";position:absolute;left:50%;top:50%;width:11px;height:1.5px;background:var(--text-primary);transform:translate(-50%,-50%)}
.qa__icon::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .5s var(--ease-out)}
.qa__q[aria-expanded="true"] .qa__icon{border-color:var(--accent);transform:rotate(180deg)}
.qa__q[aria-expanded="true"] .qa__icon::after{transform:translate(-50%,-50%) rotate(0deg)}
.qa__a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .55s var(--ease-out)}
.qa__a > div{overflow:hidden}
.qa__a p{padding:0 60px 28px 0;color:var(--text-secondary);max-width:68ch;opacity:0;transform:translateY(-6px);transition:opacity .45s var(--ease-out),transform .55s var(--ease-out)}
.qa.open .qa__a{grid-template-rows:1fr}
.qa.open .qa__a p{opacity:1;transform:none}

/* =====================================================================
   S10 · Closing line + Demo form
   ===================================================================== */
.closing{padding-bottom:0;text-align:center}
.closing__line{font-family:var(--f-display);font-weight:600;font-size:clamp(44px,7.4vw,112px);line-height:.98;max-width:16ch;margin:0 auto}
.closing__line .dim{color:var(--text-secondary)}
.closing__xh{width:66px;height:66px;margin:0 auto 34px;color:var(--accent)}
.closing__xh .c1{transform-origin:33px 33px;animation:spin 18s linear infinite}
.demo .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(40px,6vw,96px);align-items:start}
.demo__head .h2{margin:22px 0 22px;max-width:14ch}
.contact{margin-top:40px;display:grid;gap:14px}
.contact a{display:inline-flex;align-items:center;gap:14px;text-decoration:none;font-family:var(--f-mono);font-size:15px;color:var(--text-primary);width:max-content;max-width:100%}
.contact a span,.contact__addr span{color:var(--text-secondary);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;min-width:74px}
.contact a:hover{color:var(--accent-hover)}
.contact__addr{display:grid;grid-template-columns:74px 1fr;column-gap:14px;align-items:baseline;font-family:var(--f-mono);font-size:15px;color:var(--text-primary);line-height:1.55}
.contact__addr span{grid-row:1 / span 2}
.form{background:rgba(20,28,36,.7);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,3.4vw,44px);position:relative;overflow:hidden;scroll-margin-top:calc(var(--nav-h) + 20px)}
.form__grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:8px}
.field--full{grid-column:1/-1}
.field label{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--text-secondary)}
.field input,.field textarea{font:inherit;font-size:16px;color:var(--text-primary);background:rgba(10,14,18,.7);border:1px solid rgba(201,209,216,.42);border-radius:12px;padding:13px 14px;
  transition:border-color .3s var(--ease-out),background-color .3s var(--ease-out)}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:#6f7c88}
.field input:hover,.field textarea:hover{border-color:rgba(201,209,216,.5)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:rgba(10,14,18,.9)}
.field input:focus-visible,.field textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
.field.bad input{border-color:var(--signal)}
.form__note{margin-top:18px;font-size:13.5px;color:var(--text-secondary)}
.form__row{margin-top:22px;display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:flex-end}
.form__err{margin-right:auto;color:#ff8a90;font-size:14.5px}
.form__ok{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:14px;padding:clamp(24px,3.4vw,44px);background:rgba(16,23,30,.97);
  opacity:0;visibility:hidden;transition:opacity .6s var(--ease-out),visibility 0s .6s}
.form.is-sent .form__ok{opacity:1;visibility:visible;transition:opacity .6s var(--ease-out),visibility 0s}
.form__ok h3{font-size:clamp(30px,3vw,42px)}
.form__ok p{color:var(--text-secondary);max-width:44ch}
.form__ok .xh{width:44px;height:44px;color:var(--accent)}

/* ---------- Footer ---------- */
.foot{padding:clamp(64px,8vw,110px) var(--gutter) 40px;border-top:1px solid var(--line)}
.foot .wrap{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:40px}
.foot__brand > img{height:48px;width:auto}
.foot__brand p{margin-top:18px;color:var(--text-primary);max-width:36ch;font-size:16px}
.foot__maker{display:inline-block;margin-top:18px;background:#fff;border-radius:12px;padding:10px 16px;transition:transform .35s var(--ease-out)}
.foot__maker:hover{transform:translateY(-2px)}
.foot__maker img{height:44px;width:auto}
.foot__addr{color:var(--text-secondary);font-size:15px;line-height:1.55}
.foot h4{font-family:var(--f-mono);font-weight:500;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:14px}
.foot ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot a{text-decoration:none;color:var(--text-primary);font-size:15px}
.foot a:hover{color:var(--accent-hover)}
.foot__legal{grid-column:1/-1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px 40px;padding-top:28px;margin-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--text-secondary)}
.foot__legal p{max-width:70ch}

/* ---------- Responsive ---------- */
@media (max-width:1240px){
  .nav__links{display:none}
  .nav__toggle{display:block}
  .nav__tools{margin-left:auto}
  .nav.is-open .nav__links{display:flex;position:fixed;top:var(--nav-h);left:0;right:0;flex-direction:column;gap:0;padding:12px var(--gutter) 28px;background:rgba(10,14,18,.97);border-bottom:1px solid var(--line)}
  .nav.is-open .nav__links a{display:block;padding:16px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .nav.is-open::before{opacity:1}
}
@media (max-width:1080px){
  .anatomy{aspect-ratio:auto}
  .anatomy__svg{position:relative;height:auto;aspect-ratio:1200/760}
  .callouts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;margin-top:28px}
  .callout{position:static;width:auto}
  .anatomy__svg .lead{display:none}
}
@media (max-width:1080px){
  .hmi__stage{grid-template-columns:1fr}
  .fx-hmitower{min-height:0;aspect-ratio:16/10}
}
@media (max-width:900px){
  .problem .wrap,.how .wrap,.hmi .wrap,.specs .wrap,.demo .wrap{grid-template-columns:1fr}
  .problem__head,.drawing{position:static}
  .sizes{grid-template-columns:1fr}
  .hmi__list{grid-template-columns:1fr}
  .crate__steps{grid-template-columns:1fr}
  .fx-crate{aspect-ratio:4/3}
  .floor .wrap{grid-template-columns:1fr}
  .player{max-width:360px}
  .panel{grid-template-columns:1fr}
  .foot .wrap{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1/-1}
}
@media (max-width:720px){
  body{font-size:16px}
  :root{--nav-h:68px}
  .nav__brand img{height:36px}
  .nav{gap:12px}
  .lang button{padding:6px 8px}
  .gains__grid{grid-template-columns:1fr}
  .gain{grid-template-columns:1fr}
  .gain__num,.gain__icon,.gain h3,.gain p{grid-column:1;grid-row:auto}
  .tabs{grid-template-columns:repeat(2,1fr)}
  .callouts{grid-template-columns:1fr}
  .form__grid{grid-template-columns:1fr}
  .form__ok{justify-content:flex-start;padding-top:56px}
  .counters{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hmi__list li{grid-template-columns:1fr;gap:6px}
  .qa__a p{padding-right:0}
  .foot .wrap{grid-template-columns:1fr}
  .spec-table th{width:50%}
  .hmi-dev__case{padding:14px 30px 18px;border-radius:18px}
  .hmi-dev__handle{width:16px;border-radius:8px}
  .hmi-dev__handle.l{left:7px}
  .hmi-dev__handle.r{right:7px}
  .hmi-dev__bezel{padding:8px}
  .hmi-dev__estop{width:44px;height:44px;right:-6px;top:-12px}
  .hmi-dev__estop span{inset:9px}
  .vread{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fx-cable,.fx-crate,.fx-sizes{aspect-ratio:1/1}
  .fx-alert{font-size:10.5px;letter-spacing:.06em;padding:6px 9px}
  .fx-chip{font-size:10.5px;padding:5px 8px}
  .crate__grp{grid-template-columns:1fr}
  .crate__steps button{flex-direction:row;align-items:baseline;gap:10px;padding:10px 12px 12px}
  .sizes{padding:14px}
}

/* ---------- Pause and reduced motion ---------- */
body.paused *,body.paused *::before,body.paused *::after{animation-play-state:paused!important}
.off-screen *,.off-screen *::before,.off-screen *::after{animation-play-state:paused!important}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important;transition-delay:0s!important}
  .reveal .rv{opacity:1;transform:none}
  .anatomy .lead,.drawing .ln,.drawing .dim,.gain__icon *{stroke-dashoffset:0!important}
  .anatomy .pin,.anatomy .callout,.drawing .dimtxt,.drawing .lbl,.drawing .num{opacity:1!important;transform:none!important}
  .reticle line{transform:none!important}
}
body.rm .reveal .rv{opacity:1;transform:none;transition:none}
body.rm .anatomy .lead,body.rm .drawing .ln,body.rm .drawing .dim,body.rm .gain__icon *{stroke-dashoffset:0;transition:none}
body.rm .anatomy .pin,body.rm .anatomy .callout,body.rm .drawing .dimtxt,body.rm .drawing .lbl,body.rm .drawing .num{opacity:1;transform:none;transition:none}