/* Home hero — lab information on the left, interactive RF model on the right. */
.hero{position:relative;min-height:780px;overflow:hidden;border-bottom:1px solid var(--line);padding:calc(var(--nav-h) + 44px) var(--gut) 64px}
.hero__glow{position:absolute;inset:0;z-index:0;pointer-events:none;background:radial-gradient(52% 66% at 77% 40%,var(--accent-soft),transparent 72%),radial-gradient(70% 58% at 14% 84%,color-mix(in srgb,var(--accent-soft) 60%,transparent),transparent 70%)}
.hero>.gridbg{z-index:0}
.hero__layout{position:relative;z-index:2;width:100%;max-width:1740px;margin:0 auto;display:grid;grid-template-columns:minmax(360px,.72fr) minmax(700px,1.28fr);gap:clamp(42px,4.5vw,76px);align-items:center}

/* Left — fixed laboratory introduction */
.hero__intro{max-width:560px;padding:24px 0}
.hero__intro h1{font-size:clamp(46px,5.8vw,82px);line-height:.94;letter-spacing:-.045em;margin-top:24px}
.hero__intro-lead{font-family:var(--f-mono);font-size:13px;line-height:1.7;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);margin-top:24px;max-width:44ch}
.hero__intro-body{font-size:clamp(16px,1.25vw,19px);line-height:1.8;color:var(--ink-2);margin-top:24px;max-width:54ch}
.hero__focus{margin-top:28px;border-top:1px solid var(--line)}
.hero__focus li{display:grid;grid-template-columns:34px minmax(0,1fr);gap:14px;align-items:start;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px;line-height:1.55;color:var(--ink-2)}
.hero__focus b{font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;color:var(--accent);padding-top:3px}
.hero__cta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}

/* Right — self-contained technical model panel */
.hero__visual{position:relative;min-width:0;background:color-mix(in srgb,var(--bg-2) 90%,transparent);border:1px solid var(--line);padding:16px;box-shadow:var(--shadow)}
.hero__visual-head{height:34px;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:0 2px 12px}
.hero__plate,.hero__hint{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.hero__plate b{color:var(--accent);font-weight:600}
.hero__hint{display:flex;align-items:center;gap:7px;white-space:nowrap}
.hero__hint::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);box-shadow:0 0 7px var(--accent-glow)}
.hero__stage{position:relative;height:clamp(350px,38vw,500px);z-index:2;cursor:grab;touch-action:pan-y;background:radial-gradient(circle at 50% 45%,var(--accent-soft),transparent 64%);border-bottom:1px solid var(--line)}
.hero__stage.grabbing{cursor:grabbing}
#heroGl{position:absolute;inset:0;width:100%;height:100%;display:block}
.hero__model-copy{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.9fr);gap:24px;padding:20px 2px 18px;border-bottom:1px solid var(--line);align-items:start}
.hero__model-copy h2{font-size:clamp(20px,2vw,28px);line-height:1.2}
.hero__lead{font-family:var(--f-mono);font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-2);margin-top:10px}
.hero__specs{display:grid;grid-template-columns:86px minmax(0,1fr);gap:0 14px;margin:0}
.hero__specs dt{font-family:var(--f-mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);padding:7px 0;border-bottom:1px solid var(--line)}
.hero__specs dd{margin:0;font-family:var(--f-mono);font-size:13px;letter-spacing:.03em;color:var(--ink);padding:7px 0;border-bottom:1px solid var(--line)}

/* Model selector */
.hero__rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;padding-top:12px}
.rl{position:relative;display:grid;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:10px;min-width:0;min-height:72px;padding:14px;border:1px solid var(--line);text-align:left;transition:background .24s var(--e),border-color .24s var(--e)}
.rl:hover{background:var(--accent-soft);border-color:var(--line-2)}
.rl.on{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 58%,var(--line))}
.rl-idx{font-family:var(--f-mono);font-size:12px;letter-spacing:.09em;color:var(--ink-3);transition:color .3s var(--e)}
.rl-b{display:flex;flex-direction:column;gap:4px;min-width:0}
.rl-t{font-family:var(--f-disp);font-size:14px;font-weight:600;color:var(--ink-2);line-height:1.25;white-space:nowrap;transition:color .3s var(--e)}
.rl-s{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);opacity:0;max-height:0;transition:opacity .3s var(--e),max-height .3s var(--e)}
.rl.on .rl-idx{color:var(--accent)}
.rl.on .rl-t{color:var(--ink)}
.rl.on .rl-s{opacity:1;max-height:18px}
.rl-prog{position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);box-shadow:0 0 7px var(--accent-glow);transform:scaleX(0);transform-origin:left}
.rl:not(.on) .rl-prog{opacity:0}

.hero__scroll{position:absolute;z-index:4;bottom:22px;left:var(--gut);display:flex;align-items:center;gap:9px;font-family:var(--f-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--ink-3)}
.hero__scroll::after{content:"";width:40px;height:1px;background:linear-gradient(90deg,var(--ink-3),transparent)}

/* Stats strip */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--line)}
.stat{position:relative;padding:clamp(24px,3.4vw,44px) clamp(14px,2vw,30px);border-right:1px solid var(--line);display:block;transition:background .26s var(--e)}
.stat:last-child{border-right:none}
.stat:hover{background:var(--accent-soft)}
.stat__n{font-family:var(--f-disp);font-size:clamp(28px,3.6vw,46px);font-weight:600;color:var(--ink);line-height:1;letter-spacing:-.02em;transition:color .26s var(--e)}
.stat:hover .stat__n{color:var(--accent)}
.stat__l{font-family:var(--f-mono);font-size:11px;letter-spacing:.15em;text-transform:uppercase;color:var(--ink-3);margin-top:12px;display:block}
.stat__i{position:absolute;top:14px;right:14px;font-family:var(--f-mono);font-size:10.5px;letter-spacing:.12em;color:var(--ink-3);opacity:.75}
.g-5 .card h3{font-size:15px!important;line-height:1.4}

@media (max-width:1180px){
  .hero{padding-top:calc(var(--nav-h) + 36px)}
  .hero__layout{grid-template-columns:minmax(280px,.75fr) minmax(480px,1.25fr);gap:34px}
  .hero__intro h1{font-size:clamp(42px,5vw,64px)}
  .hero__model-copy{grid-template-columns:1fr;gap:14px}
}
@media (max-width:940px){
  .hero{min-height:0;padding-bottom:66px}
  .hero__layout{grid-template-columns:1fr;gap:40px}
  .hero__intro{max-width:700px}
  .hero__visual{width:100%}
  .hero__stage{height:min(62vw,500px)}
  .hero__model-copy{grid-template-columns:minmax(0,1fr) minmax(250px,.9fr)}
  .hero__scroll{display:none}
}
@media (max-width:680px){
  .hero{padding-left:var(--gut);padding-right:var(--gut)}
  .hero__intro h1{font-size:clamp(40px,14vw,58px)}
  .hero__intro-body{font-size:16px}
  .hero__visual{padding:12px}
  .hero__visual-head{height:auto;padding-bottom:10px}
  .hero__hint{display:none}
  .hero__stage{height:330px}
  .hero__model-copy{grid-template-columns:1fr;padding:18px 2px}
  .hero__rail{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(odd){border-right:1px solid var(--line)}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .hero__specs{grid-template-columns:76px minmax(0,1fr)}
}
@media (max-width:420px){
  .hero__stage{height:280px}
  .hero__rail{grid-template-columns:1fr}
  .rl{min-height:64px}
}