:root{
      --brand:#7b3fe4;      /* violet accent */
      --ink:#0f1a2a;
      --muted:#6b7280;
      --soft:#f5f7fb;
      --line:#e6e9f0;
      --ok:#0ea5e9;
      --danger:#ef4444;
      --radius:16px;
      --shadow:0 8px 28px rgba(15,26,42,.08);
      --card:#ffffff;
      --bg:#ffffff;
    }
    *{box-sizing:border-box}
    html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;line-height:1.55}
    img{max-width:100%;height:auto;display:block}
    a{color:var(--brand);text-decoration:none}

    /* Layout */
    .container{max-width:1120px;margin-inline:auto;padding:20px}
    header{display:flex;align-items:center;gap:16px;padding:14px 0}
    header .brand{font-weight:800;color:var(--brand);font-size:clamp(18px,2.2vw,22px)}
    header nav{margin-left:auto}
    header nav a{color:var(--muted);font-size:14px}

    .hero{display:grid;grid-template-columns:1.1fr .9fr;gap:22px;margin-top:8px}
    .card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
    .card img{width:100%;border-radius:12px}

    h1{margin:4px 0 10px;font-size:clamp(22px,3.4vw,30px);line-height:1.2}
    h2{margin:18px 0 8px;font-size:clamp(18px,2.6vw,24px)}
    p{margin:0.5rem 0}
    .muted{color:var(--muted)}
    .btn{display:inline-flex;align-items:center;justify-content:center;background:var(--brand);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;min-width:44px;min-height:44px}
    .btn.dark{background:#111}

    .pricebox{display:flex;align-items:center;gap:10px;margin-top:10px;flex-wrap:wrap}
    .price{font-size:22px;font-weight:800}
    .badge{background:#efe9ff;color:#5926df;border:1px solid #d9ccff;padding:4px 10px;border-radius:999px;font-size:12px}

    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .pill{display:inline-block;background:#f1f5ff;border:1px solid #e5edff;color:#243b6b;padding:6px 10px;border-radius:999px;font-size:12px;margin:4px 6px 0 0}
    .list{padding-left:18px}

    .specs-wrap{overflow:auto;-webkit-overflow-scrolling:touch}
    .specs{width:100%;border-collapse:collapse;min-width:520px}
    .specs td{padding:10px;border-bottom:1px solid var(--line);font-size:14px;vertical-align:top}

    .features{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
    .feature{background:var(--soft);border:1px solid var(--line);padding:14px;border-radius:12px}

    .gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
    .roi{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}

    .faq-item{border-bottom:1px solid var(--line);padding:12px 0}

    .sticky-bar{position:sticky;bottom:12px;z-index:20;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);padding:10px 12px;border-radius:14px;display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:18px}

    footer{margin:26px 0;color:var(--muted);font-size:13px;text-align:center}

    /* Responsive */
    @media (max-width: 992px){
      .hero{grid-template-columns:1fr;gap:14px}
      .sticky-bar{position:fixed;left:16px;right:16px;bottom:16px}
      .btn{width:100%}
      .btn.dark{width:auto}
      .pricebox{gap:6px}
    }

    @media (max-width: 640px){
      .container{padding:16px}
      header{padding:8px 0}
      .card{padding:14px}
      .grid-3{grid-template-columns:1fr}
      .grid-2{grid-template-columns:1fr}
      .pill{font-size:11px}
    }

    /* Prefers-reduced-motion */
    @media (prefers-reduced-motion: reduce){
      *{scroll-behavior:auto}
    }