:root{
      --navy:#07182c;
      --navy-2:#0b2340;
      --blue:#1597ff;
      --cyan:#48d5ff;
      --gold:#c9a45b;
      --gold-2:#efd49a;
      --ink:#10233d;
      --muted:#6b7c91;
      --line:rgba(18,73,117,.16);
      --bg:#f4f7fb;
      --card:rgba(255,255,255,.86);
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}


    /* ===== HERO ===== */
    .hero{
      position:relative;
      min-height:100vh;
      display:flex;
      align-items:center;
      overflow:hidden;
      padding:60px 0 70px;
      background:
        radial-gradient(circle at 50% 45%,rgba(21,151,255,.09),transparent 27%),
        radial-gradient(circle at 10% 20%,rgba(201,164,91,.08),transparent 22%);
    }

    .hero-grid{
      position:absolute;inset:0;pointer-events:none;opacity:.45;
      background-image:
        linear-gradient(rgba(22,65,101,.035) 1px,transparent 1px),
        linear-gradient(90deg,rgba(22,65,101,.035) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(to bottom,black,transparent 88%);
    }

    .brand{
      display:inline-flex;align-items:center;gap:10px;
      color:var(--navy);font-weight:800;letter-spacing:.04em;
      text-decoration:none;
      font-size: 42px;
    }
    .brand-mark{
      width:82px;height:82px;border-radius:13px;
      display:grid;place-items:center;color:#fff;
      background:linear-gradient(145deg,#2eb7ff,#1457a0);
      box-shadow:0 10px 25px rgba(20,87,160,.25);
    }
    .brand small{display:block;color:#74849a;font-size:20px;letter-spacing:.18em;margin-top:-2px}

    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 13px;border:1px solid rgba(21,151,255,.18);
      border-radius:999px;background:rgba(255,255,255,.7);
      color:#1664a2;font-size:12px;font-weight:700;letter-spacing:.08em;
      box-shadow:0 8px 25px rgba(27,69,105,.05);
    }
    .eyebrow .pulse-dot{
      width:7px;height:7px;border-radius:50%;background:#20c997;
      box-shadow:0 0 0 5px rgba(32,201,151,.10),0 0 15px rgba(32,201,151,.7);
      animation:blink 1.8s infinite;
    }
    @keyframes blink{50%{opacity:.35;transform:scale(.7)}}

    .hero h1{
      font-size:clamp(2.6rem,5vw,5rem);
      line-height:.98;font-weight:800;letter-spacing:-.055em;
      margin:22px 0 18px;color:var(--navy);
    }
    .hero h1 span{
      background:linear-gradient(90deg,#0b315a,#167fcb,#0b315a);
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .hero-lead{
      max-width:690px;color:#62738a;font-size:1.08rem;line-height:1.8;
    }

    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
    .btn-premium{
      border:0;border-radius:13px;padding:13px 19px;font-weight:700;
      color:#fff;background:linear-gradient(135deg,#0b2b4d,#126eb2);
      box-shadow:0 12px 28px rgba(13,79,128,.20);
      transition:.25s;
    }
    .btn-premium:hover{transform:translateY(-2px);box-shadow:0 16px 35px rgba(13,79,128,.28);color:#fff}
    .btn-soft{
      border:1px solid rgba(11,43,77,.13);border-radius:13px;padding:12px 18px;
      color:var(--navy);font-weight:700;background:rgba(255,255,255,.75);
    }

    /* ===== SYSTEM MAP ===== */
    .system-map{
      position:relative;
      width:min(1080px,100%);
      min-height:690px;
      margin:15px auto 0;
    }

    #wireCanvas{
      position:absolute;inset:0;width:100%;height:100%;
      z-index:1;pointer-events:none;
    }

    .map-core{
      position:absolute;left:50%;top:50%;
      transform:translate(-50%,-50%);
      width:265px;height:265px;border-radius:50%;
      z-index:5;
      display:flex;align-items:center;justify-content:center;
    }
    .core-ring{
      position:absolute;inset:0;border-radius:50%;
      border:1px solid rgba(21,151,255,.28);
      box-shadow:
        0 0 0 12px rgba(21,151,255,.035),
        0 0 55px rgba(21,151,255,.12),
        inset 0 0 45px rgba(21,151,255,.05);
      animation:corePulse 3.8s ease-in-out infinite;
    }
    .core-ring::after{
      content:"";position:absolute;inset:12px;border-radius:50%;
      border:1px dashed rgba(201,164,91,.45);
      animation:spin 20s linear infinite;
    }
    @keyframes spin{to{transform:rotate(360deg)}}
    @keyframes corePulse{
      50%{transform:scale(1.035);box-shadow:0 0 0 17px rgba(21,151,255,.025),0 0 75px rgba(21,151,255,.18),inset 0 0 55px rgba(21,151,255,.08)}
    }

    .core-card{
      position:relative;width:205px;height:205px;border-radius:50%;
      display:flex;flex-direction:column;align-items:center;justify-content:center;
      text-align:center;z-index:2;
      background:
        radial-gradient(circle at 50% 25%,rgba(255,255,255,.98),rgba(245,249,253,.92) 65%,rgba(224,235,245,.95));
      border:1px solid rgba(255,255,255,.95);
      box-shadow:0 20px 55px rgba(13,55,88,.16),inset 0 1px 0 #fff;
    }
    .core-icon{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
      color:#fff;font-size:25px;margin-bottom:8px;
      background:linear-gradient(145deg,#1ba7ff,#0a477e);
      box-shadow:0 9px 24px rgba(11,90,150,.25);
    }
    .core-card .tiny{font-size:9px;letter-spacing:.18em;color:#77879a;font-weight:700}
    .core-card strong{font-size:18px;letter-spacing:.03em;color:var(--navy)}
    .core-card em{font-size:11px;color:#9b7a3e;font-style:normal;font-weight:700}

    .node{
      position:absolute;width:210px;z-index:6;
      padding:17px;border:1px solid rgba(255,255,255,.9);
      border-radius:19px;background:var(--card);
      backdrop-filter:blur(12px);
      box-shadow:0 16px 45px rgba(18,54,84,.10),inset 0 1px 0 #fff;
      transition:.28s;
    }
    .node:hover{transform:translateY(-5px);box-shadow:0 22px 55px rgba(18,54,84,.16)}
    .node-top{display:flex;align-items:center;gap:12px}
    .node-icon{
      flex:0 0 45px;width:45px;height:45px;border-radius:14px;
      display:grid;place-items:center;font-size:20px;
      color:#fff;background:linear-gradient(145deg,#1a9be9,#0a477e);
      box-shadow:0 9px 22px rgba(14,100,160,.20);
    }
    .node h3{font-size:18px;margin:0;color:var(--navy);font-weight:800}
    .node p{font-size:14px;line-height:1.5;color:#7b8998;margin:3px 0 0}
    .node .status{
      margin-top:12px;padding-top:10px;border-top:1px solid var(--line);
      display:flex;align-items:center;justify-content:space-between;
      font-size:10px;color:#748397;
    }
    .online{color:#159b71;font-weight:700}
    .online::before{
      content:"";display:inline-block;width:6px;height:6px;border-radius:50%;
      background:#20c997;box-shadow:0 0 10px rgba(32,201,151,.8);margin-right:5px;
    }

    .n-res{left:3%;top:10%}
    .n-book{left:3%;bottom:9%}
    .n-front{right:3%;top:10%}
    .n-house{right:3%;bottom:9%}
    .n-data{left:50%;bottom:0;transform:translateX(-50%);width:245px}

    .n-data:hover{transform:translateX(-50%) translateY(-5px)}

    /* ===== TOP FEATURE STRIP ===== */
    .feature-strip{position:relative;z-index:10;margin-top:-8px}
    .feature-card{
      height:100%;padding:20px;border-radius:18px;
      background:rgba(255,255,255,.82);border:1px solid rgba(16,54,85,.08);
      box-shadow:0 14px 38px rgba(16,54,85,.07);
      transition:.25s;
    }
    .feature-card:hover{transform:translateY(-4px);box-shadow:0 20px 45px rgba(16,54,85,.12)}
    .feature-icon{
      width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
      background:#edf6fd;color:#0d70b8;font-size:30px;margin-bottom:13px;
    }
    .feature-card h4{font-size:24px;font-weight:800;margin:0 0 6px;color:var(--navy)}
    .feature-card p{font-size:14px;color:#7b8998;margin:0;line-height:1.55}

    /* ===== CTA ===== */
    .cta{
      position:relative;overflow:hidden;border-radius:28px;
      padding:42px 45px;background:
        radial-gradient(circle at 80% 0%,rgba(72,213,255,.22),transparent 30%),
        linear-gradient(120deg,#07182c,#0b2f52 58%,#0b416d);
      color:#fff;box-shadow:0 25px 70px rgba(7,24,44,.18);
    }
    .cta::before{
      content:"";position:absolute;inset:0;opacity:.18;
      background-image:linear-gradient(rgba(255,255,255,.3) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.3) 1px,transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(90deg,black,transparent);
    }
    .cta>*{position:relative;z-index:1}
    .cta h2{font-weight:800;letter-spacing:-.03em}
    .free-badge{
      display:inline-flex;align-items:center;gap:7px;padding:8px 12px;
      border-radius:999px;background:rgba(239,212,154,.14);
      border:1px solid rgba(239,212,154,.28);color:#efd49a;
      font-size:11px;font-weight:800;letter-spacing:.08em;
    }



    /* ===== MOBILE ===== */
    @media(max-width:991px){
      .hero{padding-top:35px}
      .system-map{min-height:930px}
      .node{width:190px}
      .n-res{left:2%;top:6%}
      .n-book{left:2%;bottom:19%}
      .n-front{right:2%;top:6%}
      .n-house{right:2%;bottom:19%}
      .n-data{bottom:0}
    }

    @media(max-width:767px){
      .hero{text-align:center;padding-bottom:25px}
      .hero-lead{margin:auto;font-size:.96rem}
      .hero-actions{justify-content:center}
      .system-map{min-height:1040px;margin-top:10px}
      .map-core{top:46%;width:225px;height:225px}
      .core-card{width:173px;height:173px}
      .core-icon{width:45px;height:45px;font-size:21px}
      .node{width:155px;padding:13px;border-radius:16px}
      .node-icon{width:38px;height:38px;flex-basis:38px;font-size:17px;border-radius:11px}
      .node h3{font-size:11px}
      .node p{font-size:9px}
      .node .status{font-size:8px}
      .n-res{left:0;top:2%}
      .n-front{right:0;top:2%}
      .n-book{left:0;bottom:18%}
      .n-house{right:0;bottom:18%}
      .n-data{bottom:0;width:205px}
      .feature-strip{margin-top:0}
      .cta{padding:32px 24px;text-align:center}
    }

    @media(max-width:430px){
      .node{width:142px}
      .system-map{min-height:1010px}
      .n-book,.n-house{bottom:20%}
      .map-core{top:45%}
    }

    /* Respect reduced motion */
    @media(prefers-reduced-motion:reduce){
      *,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition:none!important}
    }