:root{
      --brand:#2563eb; --accent:#60a5fa; --ink:#0b1220; --muted:#475569;
      --bg1:#eaf3ff; --bg2:#ffffff; --card:#ffffff; --radius:18px;
      --shadow:0 14px 40px rgba(37,99,235,.12);
      --grad:linear-gradient(135deg,var(--brand),var(--accent));
      --max:1180px;
    }
    *{box-sizing:border-box}
    html,body{margin:0}
    body{
      font:16px/1.7 Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
      background:linear-gradient(180deg,var(--bg1),var(--bg2));
      color:var(--muted);
      overflow-x:hidden;
    }
    a{color:#0a66ff;text-decoration:none} a:hover{text-decoration:underline}
    .wrap{max-width:var(--max);margin:auto;padding:24px}
    header.hero{
      margin:20px auto; border-radius:28px; overflow:hidden; box-shadow:var(--shadow);
      background:linear-gradient(180deg,#dbeafe,transparent);
      position:relative;
    }
    header.hero img{width:100%;height:520px;object-fit:cover;display:block}
    header .title{
      position:absolute; left:24px; right:24px; bottom:24px;
      background:rgba(255,255,255,.88); backdrop-filter:blur(8px);
      border:1px solid rgba(2,6,23,.08); border-radius:18px; padding:18px 20px;
    }
    h1{margin:0;color:var(--ink);font-weight:900;letter-spacing:.2px;font-size:clamp(28px,4.2vw,44px);line-height:1.2}
    .subtitle{margin-top:6px;color:#334155}
    .grid{display:grid;gap:24px}
    @media(min-width:980px){.cols-2{grid-template-columns:1.35fr .95fr}}
    .card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:26px}
    h2{color:var(--ink);font-weight:800;margin:0 0 12px;font-size:clamp(22px,2.6vw,30px)}
    h3{color:var(--ink);font-weight:750;margin:14px 0 8px}
    p{margin:10px 0}
    .check li{list-style:none;position:relative;padding-left:28px;margin:6px 0}
    .check li:before{content:"✔";position:absolute;left:0;top:0;color:var(--brand);font-weight:800}
    .cta{display:inline-flex;gap:10px;align-items:center;background:var(--grad);color:#fff;
      padding:12px 18px;border-radius:999px;font-weight:800;box-shadow:var(--shadow)}
    .cta:hover{opacity:.95}
    .kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .kpi .item{background:#f5f9ff;border:1px solid #e6efff;border-radius:14px;text-align:center;padding:14px}
    .kpi b{display:block;color:var(--ink);font-size:22px}
    .note{color:#64748b;font-size:.92rem}
    /* Before/After */
    .ba{position:relative;border-radius:16px;overflow:hidden;box-shadow:var(--shadow)}
    .ba img{display:block;width:100%;height:auto}
    .ba .after{position:absolute;inset:0;clip-path:inset(0 0 0 50%)}
    .ba input[type=range]{position:absolute;left:0;right:0;bottom:12px;width:60%;margin:auto;appearance:none;height:4px;background:#93c5fd;border-radius:999px}
    .ba input[type=range]::-webkit-slider-thumb{appearance:none;width:22px;height:22px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 3px #fff}
    .ba .handle{position:absolute;top:0;bottom:0;width:2px;left:50%;background:#fff}
    .ba .labels{position:absolute;top:12px;left:12px;right:12px;display:flex;justify-content:space-between}
    .pill{background:rgba(255,255,255,.9);color:var(--brand);border:1px solid #e6efff;padding:6px 10px;border-radius:999px;font-weight:800}
    /* Pricing/ROI */
    table{width:100%;border-collapse:collapse}
    th,td{padding:12px;border-bottom:1px dashed #e6efff;text-align:left}
    th{color:var(--ink)}
    /* Sticky CTA bar */
    .sticky-cta{
      position:sticky;bottom:0;z-index:50;background:rgba(255,255,255,.98);
      border-top:1px solid #e6efff;box-shadow:0 -6px 24px rgba(37,99,235,.06)
    }
    .sticky-cta .inner{max-width:var(--max);margin:auto;display:flex;gap:12px;align-items:center;justify-content:space-between;padding:10px 16px}
    .sticky-cta b{color:var(--ink)}
    .btn{background:var(--grad);color:#fff;padding:10px 16px;border-radius:999px;font-weight:800}
    .toc{position:sticky;top:18px}
    .toc a{display:block;padding:10px 12px;margin:8px 0;background:#f5f9ff;border:1px solid #e6efff;border-radius:10px}
    .toc a:hover{background:#edf5ff}
    footer{color:#64748b;text-align:center;padding:32px}
    @media(max-width:760px){.kpi{grid-template-columns:repeat(2,1fr)} header.hero img{height:420px}}