:root {
      --bg: #f6f7f9;
      --surface: #ffffff;
      --text: #20252b;
      --muted: #6f7782;
      --line: #e5e8ec;
      --brand: #39e600;
      --brand-dark: #2fba00;
      --dark: #251e49;
      --max: 1120px;
    }

    * {
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      background: var(--bg);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
        "Segoe UI", sans-serif;
      line-height: 1.55;
    }

    a {
      color: inherit;
    }

    .wrap {
      width: min(calc(100% - 40px), var(--max));
      margin: 0 auto;
    }

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

    .nav {
      min-height: 76px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand img {
      display: block;
      width: 160px;
      height: auto;
    }

    .nav-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 8px;
      border: 1px solid var(--line);
      background: var(--surface);
      color: var(--text);
      font-weight: 650;
      text-decoration: none;
      transition: border-color .15s ease, background .15s ease, transform .15s ease;
    }

    .btn:hover {
      border-color: #cfd5dc;
    }

    .btn-primary {
      border-color: var(--brand);
      background: var(--brand);
      color: #101510;
    }

    .btn-primary:hover {
      border-color: var(--brand-dark);
      background: var(--brand-dark);
    }

    .hero {
      padding: 56px 0 76px;
      text-align: center;
    }

    .hero-logo {
      width: min(420px, 78vw);
      height: auto;
      display: block;
      margin: 0 auto;
    }

    .principles {
      width: min(420px, 78vw);
      margin: 28px auto 148px;
      font-size: clamp(1rem, 2vw, 1.2rem);
      font-weight: 700;
      letter-spacing: .03em;
      color: var(--muted);
    }

    h1 {
      margin: 0 auto 56px;
      max-width: 800px;
      font-size: clamp(2.2rem, 6vw, 4.3rem);
      line-height: 1.02;
      letter-spacing: -.02em;
      font-weight: 560;
    }

    .hero-copy {
      max-width: 690px;
      margin: 0 auto;
      color: var(--muted);
      font-size: clamp(1.05rem, 2vw, 1.28rem);
    }

    .hero-actions {
      margin-top: 32px;
      display: flex;
      justify-content: center;
      gap: 12px;
      flex-wrap: wrap;
    }

    .section {
      padding: 72px 0;
      border-top: 1px solid var(--line);
    }

    .section h2 {
      margin: 0 0 14px;
      font-size: clamp(1.7rem, 3vw, 2.5rem);
      letter-spacing: -.025em;
    }

    .section-lead {
      max-width: 700px;
      margin: 0 0 36px;
      color: var(--muted);
      font-size: 1.08rem;
    }

    .three {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 36px;
    }

    .point h3 {
      margin: 0 0 8px;
      font-size: 1.1rem;
    }

    .point p {
      margin: 0;
      color: var(--muted);
    }

    .screenshot {
      margin-top: 44px;
      background: var(--surface);
      border: 1px solid var(--line);
      border-radius: 14px;
      min-height: 420px;
      display: grid;
      place-items: center;
      overflow: hidden;
    }

    .screenshot-placeholder {
      padding: 40px;
      text-align: center;
      color: var(--muted);
    }

    .screenshot-placeholder strong {
      display: block;
      color: var(--text);
      margin-bottom: 8px;
    }

    .integration {
      display: grid;
      grid-template-columns: minmax(0, 1fr) auto;
      align-items: center;
      gap: 40px;
    }

    .integration-copy p {
      margin: 0;
      color: var(--muted);
      max-width: 720px;
    }

    .pricing {
      background: var(--surface);
    }

    .pricing-box {
      max-width: 720px;
    }

    .pricing-note {
      margin: 0;
      color: var(--muted);
      font-size: 1.05rem;
    }

    footer {
      padding: 28px 0 36px;
      color: var(--muted);
      font-size: .92rem;
    }

    .footer-row {
      display: flex;
      justify-content: space-between;
      gap: 20px;
      flex-wrap: wrap;
    }

    @media (max-width: 760px) {
      .wrap {
        width: min(calc(100% - 28px), var(--max));
      }

      .nav {
        min-height: 68px;
      }

      .brand img {
        width: 136px;
      }

      .nav .btn:not(.btn-primary) {
        display: none;
      }

      .hero {
        padding: 70px 0 58px;
      }

      .three {
        grid-template-columns: 1fr;
        gap: 28px;
      }

      .section {
        padding: 56px 0;
      }

      .integration {
        grid-template-columns: 1fr;
        gap: 24px;
      }

      .integration .btn {
        justify-self: start;
      }

      .screenshot {
        min-height: 280px;
      }
    }