:root{
      --bg:#062f33;
      --bg-2:#05272b;
      --panel:#0b3b40;
      --panel-2:#0d454b;
      --text:#f5f7f7;
      --muted:#9db7ba;
      --line:#1b5b5f;
      --green:#55e67a;
      --green-2:#2bbd5e;
      --white:#ffffff;
      --shadow:0 24px 70px rgba(0,0,0,.28);
      --radius:24px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 50% 18%, rgba(57,194,97,.10), transparent 28%),
        linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 100%);
      min-height:100vh;
    }
    a{color:inherit;text-decoration:none}
    button{font:inherit}
    .shell{width:min(1220px,calc(100% - 40px));margin:0 auto}
    header{
      position:sticky;top:0;z-index:20;
      background:rgba(5,39,43,.78);backdrop-filter:blur(18px);
      border-bottom:1px solid rgba(255,255,255,.06)
    }
    .nav{height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:700;letter-spacing:.01em}
    .brand-mark{width:76px;height:38px;object-fit:contain;display:block}
    .nav-links{display:flex;align-items:center;gap:26px;color:#c6d7d9;font-size:14px}
    .nav-actions{display:flex;gap:10px}
    .btn{border:1px solid rgba(255,255,255,.10);padding:11px 16px;border-radius:999px;background:rgba(255,255,255,.03);color:white;cursor:pointer;transition:.2s ease}
    .btn:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.2)}
    .btn.primary{background:var(--green);color:#082f33;border-color:var(--green);font-weight:700}

    .hero{padding:72px 0 42px;overflow:hidden}
    .eyebrow{color:var(--green);font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;text-align:center}
    h1{font-size:clamp(52px,7vw,92px);line-height:.97;letter-spacing:-.055em;text-align:center;margin:22px auto 24px;max-width:1020px;font-weight:500}
    .hero-copy{max-width:790px;margin:0 auto;text-align:center;color:var(--muted);font-size:18px;line-height:1.65}
    .hero-actions{display:flex;justify-content:center;gap:12px;margin-top:30px;flex-wrap:wrap}

    .network{position:relative;margin-top:54px;height:520px;border-radius:34px;overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,.005));border:1px solid rgba(255,255,255,.055);box-shadow:var(--shadow)}
    .network:before{content:"";position:absolute;inset:0;background-image:radial-gradient(rgba(85,230,122,.30) 1px,transparent 1px);background-size:26px 26px;opacity:.22;mask-image:linear-gradient(to bottom,transparent,black 14%,black 86%,transparent)}
    .network:after{content:"";position:absolute;inset:0;background:radial-gradient(circle at center,rgba(85,230,122,.12),transparent 34%)}
    .node-stack{position:absolute;top:50%;transform:translateY(-50%);display:grid;gap:14px;z-index:3}
    .node-stack.left{left:26px}.node-stack.right{right:26px}
    .node{width:154px;min-height:58px;border-radius:14px;background:#f7f8f8;color:#0b3033;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:14px;box-shadow:0 9px 28px rgba(0,0,0,.17);padding:10px 14px}
    .node.small{width:112px;font-size:22px}
    .core{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:330px;height:330px;border-radius:50%;display:grid;place-items:center;z-index:4;background:rgba(20,93,71,.36);border:1px solid rgba(85,230,122,.28);box-shadow:0 0 0 56px rgba(62,168,104,.10),0 0 0 112px rgba(39,127,92,.12),0 20px 80px rgba(0,0,0,.35)}
    .core-inner{width:136px;height:136px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(145deg,#36a65f,#267b4b);border:1px solid rgba(85,230,122,.35);font-size:38px;font-weight:900;letter-spacing:.03em}
    .core-label{position:absolute;top:calc(50% + 185px);left:50%;transform:translateX(-50%);z-index:5;font-size:12px;letter-spacing:.16em;color:#b7ced0;text-transform:uppercase;white-space:nowrap}
    svg.wires{position:absolute;inset:0;width:100%;height:100%;z-index:2;opacity:.88}
    .pulse{filter:drop-shadow(0 0 7px rgba(85,230,122,.9));stroke-dasharray:2 16;animation:flow 3.2s linear infinite}
    @keyframes flow{to{stroke-dashoffset:-180}}

    section{padding:86px 0}
    .section-kicker{color:var(--green);font-size:12px;font-weight:800;letter-spacing:.15em;text-transform:uppercase;margin-bottom:14px}
    h2{font-size:clamp(34px,4.5vw,56px);line-height:1.05;letter-spacing:-.04em;margin:0 0 18px;font-weight:500}
    .section-copy{color:var(--muted);font-size:17px;line-height:1.7;max-width:760px}
    .features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:36px}
    .card{background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.018));border:1px solid rgba(255,255,255,.07);border-radius:22px;padding:26px;min-height:235px;box-shadow:0 18px 50px rgba(0,0,0,.12)}
    .icon{width:44px;height:44px;border-radius:14px;background:rgba(85,230,122,.12);border:1px solid rgba(85,230,122,.22);display:grid;place-items:center;color:var(--green);font-size:22px;margin-bottom:28px}
    .card h3{margin:0 0 12px;font-size:22px}
    .card p{margin:0;color:var(--muted);line-height:1.65}

    .catalogue-wrap{margin-top:34px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.075);border-radius:26px;overflow:hidden}
    .catalogue-head{display:flex;align-items:center;justify-content:space-between;padding:24px 26px;cursor:pointer;gap:18px}
    .catalogue-head strong{font-size:20px}.catalogue-head span{color:var(--muted);font-size:14px}
    .chev{width:40px;height:40px;border-radius:999px;border:1px solid rgba(255,255,255,.1);display:grid;place-items:center;transition:.25s ease}
    .catalogue-wrap.open .chev{transform:rotate(180deg)}
    .catalogue-body{max-height:0;overflow:hidden;transition:max-height .45s ease;border-top:1px solid transparent}
    .catalogue-wrap.open .catalogue-body{max-height:2000px;border-top-color:rgba(255,255,255,.06)}
    .filters{display:flex;gap:10px;flex-wrap:wrap;padding:22px 26px 8px}
    select{background:#0a3438;color:#dfe9ea;border:1px solid rgba(255,255,255,.09);border-radius:12px;padding:11px 14px;outline:none}
    .product-list{padding:14px 26px 26px;display:grid;gap:12px}
    .product{display:grid;grid-template-columns:74px 1.2fr .8fr auto;gap:18px;align-items:center;padding:16px;border-radius:18px;background:rgba(255,255,255,.025);border:1px solid rgba(255,255,255,.06)}
    .product-img{width:74px;height:64px;border-radius:14px;background:#eef1f1;color:#18383b;display:grid;place-items:center;font-size:11px;font-weight:800;text-align:center;padding:6px;overflow:hidden}
    .product-img img{max-width:100%;max-height:100%;object-fit:contain;display:block}
    .product-file{color:#d8e8e9;font-size:12px;line-height:1.45;word-break:break-word}
    .status-line{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
    .status-dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 12px rgba(85,230,122,.75)}
    .product h4{margin:0 0 6px;font-size:17px}.meta{color:var(--muted);font-size:13px;line-height:1.55}
    .badge{display:inline-flex;padding:5px 8px;border-radius:999px;background:rgba(85,230,122,.14);border:1px solid rgba(85,230,122,.28);color:#75f493;font-size:10px;font-weight:900;letter-spacing:.08em;margin-left:7px;vertical-align:2px}
    .download{white-space:nowrap;border:1px solid rgba(85,230,122,.30);background:rgba(85,230,122,.09);color:#7cf39a;padding:10px 14px;border-radius:12px;font-weight:700}
    .download.disabled{opacity:.48;cursor:not-allowed}

    .notice{margin-top:28px;border:1px solid rgba(85,230,122,.24);background:linear-gradient(180deg,rgba(85,230,122,.08),rgba(85,230,122,.035));border-radius:22px;padding:24px 26px;display:grid;grid-template-columns:auto 1fr;gap:18px}
    .notice-icon{width:42px;height:42px;border-radius:13px;background:rgba(85,230,122,.14);display:grid;place-items:center;color:var(--green);font-weight:900}
    .notice strong{display:block;margin-bottom:8px}.notice p{margin:0;color:#bdd0d2;line-height:1.65}

    .cta{padding:48px;border-radius:30px;background:linear-gradient(130deg,rgba(85,230,122,.15),rgba(255,255,255,.025));border:1px solid rgba(85,230,122,.18);display:flex;align-items:center;justify-content:space-between;gap:30px}
    .cta h3{font-size:34px;margin:0 0 10px}.cta p{margin:0;color:var(--muted)}
    footer{padding:36px 0 54px;color:#8eaaad;font-size:13px;border-top:1px solid rgba(255,255,255,.05)}
    .footer-inner{display:flex;flex-direction:column;align-items:center;text-align:center;gap:7px}
    .footer-brand{color:#c9d9db;font-weight:600}
    .footer-email a{color:#9fc7ca;transition:.2s ease}.footer-email a:hover{color:var(--green)}
    .footer-copy{margin-top:5px;color:#6f9295;font-size:12px;letter-spacing:.02em}

    @media (max-width:980px){
      .nav-links{display:none}.features{grid-template-columns:1fr}.network{height:600px}.node-stack.left{left:14px}.node-stack.right{right:14px}.node{width:106px}.node.small{width:86px}.core{width:240px;height:240px;box-shadow:0 0 0 40px rgba(62,168,104,.10),0 0 0 80px rgba(39,127,92,.12)}.core-inner{width:110px;height:110px}.product{grid-template-columns:64px 1fr;}.product > :nth-child(3),.product > :nth-child(4){grid-column:2}.cta{flex-direction:column;align-items:flex-start}}
    @media (max-width:640px){
      .shell{width:min(100% - 24px,1220px)}.nav-actions .btn:first-child{display:none}.hero{padding-top:48px}.network{height:520px}.node-stack{display:none}.core{width:210px;height:210px;box-shadow:0 0 0 34px rgba(62,168,104,.10),0 0 0 68px rgba(39,127,92,.12)}.catalogue-head{align-items:flex-start}.product{grid-template-columns:56px 1fr;gap:13px}.product-img{width:56px;height:56px}.cta{padding:30px}.notice{grid-template-columns:1fr}}


/* Dynamic brand registry */
.brand-node{overflow:hidden}
.brand-img{display:block;max-width:100%;max-height:48px;width:auto;height:auto;object-fit:contain}
.brand-img.compact{max-height:36px;max-width:126px}
.brand-text-fallback{font-weight:800;color:#16383b;font-size:15px;text-align:center}
.brands-section{padding-top:42px}
.brand-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-top:28px}
.brand-card{min-height:112px;border-radius:18px;background:#f7f8f8;border:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:18px;box-shadow:0 12px 32px rgba(0,0,0,.12)}
.brand-card .brand-img{max-height:54px;max-width:125px}
.brand-card-name{font-size:11px;font-weight:700;color:#587074;letter-spacing:.05em;text-transform:uppercase}
@media (max-width:640px){.brand-grid{grid-template-columns:repeat(2,1fr)}.brand-card{min-height:96px}.brand-card .brand-img{max-height:44px;max-width:110px}}

/* About Simulator disclosure */
.ai-about-section{padding-top:24px}
.about-disclosure{
  background:rgba(255,255,255,.025);
  border:1px solid rgba(255,255,255,.075);
  border-radius:26px;
  overflow:hidden;
}
.about-disclosure summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:24px 26px;
}
.about-disclosure summary::-webkit-details-marker{display:none}
.about-disclosure summary strong{
  display:block;
  font-size:20px;
  margin-bottom:6px;
}
.about-disclosure summary span{
  color:var(--muted);
  font-size:14px;
}
.about-chev{
  width:40px;
  height:40px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.1);
  display:grid;
  place-items:center;
  transition:.25s ease;
  flex:0 0 auto;
}
.about-disclosure[open] .about-chev{transform:rotate(180deg)}
.about-disclosure-body{
  border-top:1px solid rgba(255,255,255,.06);
  padding:26px;
}
.about-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:16px;
}
.about-grid article{
  background:rgba(255,255,255,.02);
  border:1px solid rgba(255,255,255,.055);
  border-radius:18px;
  padding:20px;
}
.about-grid h3{
  margin:0 0 10px;
  font-size:18px;
}
.about-grid p{
  margin:0;
  color:var(--muted);
  line-height:1.7;
}
@media (max-width:760px){
  .about-grid{grid-template-columns:1fr}
  .about-disclosure summary{align-items:flex-start}
}