:root{
      --brand:#0ea5e9;        /* accent */
      --ink:#0f172a;          /* text */
      --muted:#64748b;        /* secondary text */
      --soft:#f8fafc;         /* page bg */
      --card:#ffffff;         /* card bg */
      --line:#e2e8f0;         /* borders */
      --ok:#10b981;           /* success */
      --warn:#f59e0b;         /* highlight */
      --radius:16px;
      --shadow:0 10px 30px rgba(15,23,42,.08);
      --max:1140px;
    }
    *{box-sizing:border-box}
    html,body{margin:0;padding:0;background:var(--soft);color:var(--ink);font-family:Inter,system-ui,Segoe UI,Arial,sans-serif;line-height:1.6}
    img{max-width:100%;height:auto;border-radius:12px}
    a{color:var(--brand);text-decoration:none}
    .container{max-width:var(--max);margin:0 auto;padding:20px}
    .tag{display:inline-flex;gap:8px;align-items:center;padding:6px 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:12px;background:#fff}
    header.site{position:sticky;top:0;background:#fff;border-bottom:1px solid var(--line);z-index:50}
    header .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 20px;max-width:var(--max);margin:0 auto}
    .logo{display:flex;align-items:center;gap:10px;font-weight:700}
    .cta{display:inline-flex;align-items:center;gap:10px;background:var(--brand);color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;box-shadow:var(--shadow)}
    .cta:hover{opacity:.95;transform:translateY(-1px)}
    .hero{display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;padding:28px 0}
    .hero h1{font-size:40px;line-height:1.15;margin:8px 0 12px}
    .hero p.lead{font-size:18px;color:var(--muted);margin:0 0 18px}
    .hero .stat{display:flex;gap:16px;flex-wrap:wrap;margin:14px 0}
    .chip{padding:10px 12px;border-radius:12px;background:#eef6ff;border:1px solid #dbeafe;font-weight:600;color:#0b539b}
    .grid{display:grid;gap:22px}
    @media (min-width:900px){.grid.cols-3{grid-template-columns:repeat(3,1fr)} .grid.cols-4{grid-template-columns:repeat(4,1fr)}}
    @media (max-width:900px){.hero{grid-template-columns:1fr;}}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
    .card h3{margin:6px 0 8px}
    .list{display:grid;gap:10px;margin:0;padding:0;list-style:none}
    .list li{display:flex;gap:10px}
    .list li:before{content:"✓";color:var(--ok);font-weight:700}
    .compare table{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:12px;overflow:hidden}
    .compare th, .compare td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}
    .compare tr:nth-child(even){background:#f9fafb}
    .section{padding:28px 0}
    .kpis{display:flex;gap:14px;flex-wrap:wrap}
    .kpi{flex:1 1 160px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px;text-align:center}
    .kpi b{font-size:22px}
    .footer{background:#0b1220;color:#cbd5e1;padding:28px 0;margin-top:28px}
    .footer a{color:#e2e8f0}
    /* sticky bottom CTA for mobile */
    .sticky-cta{position:fixed;left:0;right:0;bottom:12px;display:flex;justify-content:center;z-index:60}
    .sticky-cta .cta{box-shadow:0 12px 30px rgba(14,165,233,.35)}
    @media (min-width:920px){.sticky-cta{display:none}}
    /* FAQ accordion (pure CSS) */
    details{border:1px solid var(--line);border-radius:12px;background:#fff;padding:12px 14px}
    details+details{margin-top:12px}
    summary{cursor:pointer;font-weight:600}
    /* Buttons row */
    .btns{display:flex;flex-wrap:wrap;gap:12px}
    .btn{display:inline-flex;gap:10px;align-items:center;border:1px solid var(--line);padding:11px 16px;border-radius:12px;background:#fff}
    .btn--ghost{background:transparent}
    .highlight{background:#fff7ed;border:1px dashed #fed7aa;padding:12px;border-radius:12px}