:root {
    --ink: #14182b;
    --muted: #626b85;
    --line: #e7eaf2;
    --panel: #ffffff;
    --bg: #f7f8fc;
    --blue: #637BD0;
    --blue-deep: #4F62A6;
    --icon-blue: #637BD0;
    --green: #1fb576;
    --red: #ef4d6c;
    --radius: 10px;
  }

  * { box-sizing: border-box; }

  body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--ink);
    background: var(--bg);
  }

  a { color: inherit; }

  .wrap { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

  header.site {
    background: var(--panel);
    border-bottom: 1px solid var(--line);
  }

  .siteNav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 76px;
  }

  .logo {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: var(--ink);
  }

  nav.mainNav {
    display: flex;
    align-items: center;
    gap: 34px;
  }

  nav.mainNav a {
    text-decoration: none;
    color: var(--ink);
    font-size: 14.5px;
    font-weight: 600;
    padding: 9px 14px;
    border-radius: 7px;
    border: 1px solid transparent;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }

  nav.mainNav a:not(.navCta):hover { background: var(--blue); color: #fff; }

  nav.mainNav a.navCta {
    background: transparent;
    color: var(--ink);
    border-color: var(--line);
  }

  nav.mainNav a.navCta:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

  .hero {
    padding: 84px 0 60px;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 64px;
    align-items: center;
  }

  .heroCopy h1 {
    font-size: 52px;
    line-height: 1.06;
    letter-spacing: -0.02em;
    margin: 0 0 22px;
    border-left: 4px solid var(--blue);
    padding-left: 22px;
  }

  .heroCopy p.lede {
    font-size: 17px;
    line-height: 1.6;
    color: var(--muted);
    max-width: 480px;
    margin: 0 0 32px;
  }

  .heroCtas { display: flex; gap: 14px; }

  .btnPrimary, .btnGhost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 22px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 14.5px;
    text-decoration: none;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }

  .btnPrimary { background: var(--blue); color: #fff; }
  .btnPrimary:hover { background: var(--blue-deep); }

  .btnGhost { background: #fff; color: var(--ink); border-color: var(--line); }
  .btnGhost:hover { background: var(--blue); color: #fff; border-color: var(--blue); }

  /* Decorative product preview */
  .preview {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 14px;
    box-shadow: 0 24px 60px -20px rgba(20, 24, 43, 0.18);
    overflow: hidden;
    display: grid;
    grid-template-columns: 172px 1fr;
    font-size: 12px;
  }

  .previewNav {
    background: #fafbff;
    border-right: 1px solid var(--line);
    padding: 18px 14px;
  }

  .previewNav .pLogo { margin-bottom: 20px; padding-left: 2px; }

  .previewNav div.item {
    display: flex;
    align-items: center;
    gap: 9px;
    padding: 7px 8px;
    border-radius: 6px;
    color: #7a839c;
    font-weight: 600;
    margin-bottom: 2px;
    transition: background 0.15s ease, color 0.15s ease;
  }

  .previewNav div.item svg { flex-shrink: 0; width: 15px; height: 15px; color: var(--icon-blue); }

  .previewNav div.item.active,
  .previewNav div.item:hover { background: #ecefff; color: var(--blue); }

  .previewMain { padding: 18px 20px; }

  .previewHead {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
    font-weight: 800;
    font-size: 14px;
  }

  .previewStats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 14px;
  }

  .previewStats .tile {
    background: #fafbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 9px 10px;
  }

  .previewStats .tile small { color: var(--muted); display: block; margin-bottom: 3px; }
  .previewStats .tile b { font-size: 13px; }
  .previewStats .tile b.up { color: var(--green); }
  .previewStats .tile b.down { color: var(--red); }

  .previewChart {
    background: #fafbff;
    border: 1px solid var(--line);
    border-radius: 8px;
    padding: 10px 12px;
    margin-bottom: 10px;
  }

  .previewChart svg { display: block; width: 100%; height: 56px; }

  .previewRows { display: grid; gap: 6px; }

  .previewRow {
    display: flex;
    justify-content: space-between;
    background: #fafbff;
    border: 1px solid var(--line);
    border-radius: 6px;
    padding: 7px 10px;
  }

  .previewRow b.up { color: var(--green); }
  .previewRow b.down { color: var(--red); }

  section.features {
    padding: 20px 0 90px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .featureCard {
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 24px;
  }

  .featureIcon {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: #eef1ff;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
  }

  .featureIcon svg { width: 19px; height: 19px; color: var(--icon-blue); }

  .featureCard h3 { font-size: 16px; margin: 0 0 4px; }
  .featureCard .rule { width: 26px; height: 3px; background: var(--blue); border-radius: 2px; margin-bottom: 10px; }
  .featureCard p { margin: 0; color: var(--muted); font-size: 13.5px; line-height: 1.55; }

  section.infoSection {
    padding: 60px 0;
    border-top: 1px solid var(--line);
  }

  section.infoSection h2 { font-size: 26px; margin: 0 0 10px; }
  section.infoSection p { color: var(--muted); font-size: 15px; line-height: 1.6; max-width: 640px; }

  .pricingCard {
    margin-top: 20px;
    display: inline-block;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 22px 26px;
    background: var(--panel);
  }

  .pricingCard .price { font-size: 30px; font-weight: 800; }
  .pricingCard .price span { font-size: 14px; font-weight: 600; color: var(--muted); }

  footer.site {
    border-top: 1px solid var(--line);
    padding: 28px 0;
    color: var(--muted);
    font-size: 13px;
  }

  @media (max-width: 920px) {
    .hero { grid-template-columns: 1fr; padding-top: 48px; }
    nav.mainNav { gap: 16px; flex-wrap: wrap; }
    section.features { grid-template-columns: 1fr 1fr; }
    .heroCopy h1 { font-size: 38px; }
  }