:root {
      --primary: #6fdadc;
      --accent: #ff9800;
      --dark: #1f2933;
      --muted: #6b7280;
      --light: #f9fafb;
    }

    * {
      box-sizing: border-box;
    }

    body {
      margin: 0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
      color: var(--dark);
      background: #fff;
      line-height: 1.6;
    }

    header {
      padding: 56px 24px;
      text-align: center;
    }

    .logo {
      width: 120px;
      height: 120px;
      border-radius: 24px;
      box-shadow: 0 12px 30px rgba(0,0,0,.15);
      margin-bottom: 24px;
    }

    h1 {
      font-size: 2.6rem;
      margin-bottom: 12px;
    }

    h2 {
      margin-top: 32px;
    }

    p, li {
      color: var(--dark);
    }

    ul {
      padding-left: 20px;
    }

    .subtitle {
      font-size: 1.2rem;
      color: var(--muted);
      max-width: 760px;
      margin: 0 auto 32px;
    }

    .cta {
      display: inline-block;
      background: var(--accent);
      color: #fff;
      padding: 16px 36px;
      border-radius: 16px;
      font-size: 1.1rem;
      font-weight: 600;
      text-decoration: none;
      box-shadow: 0 10px 24px rgba(255,152,0,.35);
    }

    section {
      padding: 72px 24px;
      max-width: 1100px;
      margin: 0 auto;
    }

    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 32px;
    }

    .feature {
      background: var(--light);
      border-radius: 24px;
      padding: 32px;
      box-shadow: 0 8px 24px rgba(0,0,0,.06);
    }

    .feature h3 {
      margin-top: 0;
      margin-bottom: 8px;
    }

    .feature p {
      color: var(--muted);
    }

    /* App preview section */
    .preview {
      background: linear-gradient(180deg, #ffffff, #f2fbfb);
      border-radius: 32px;
      padding: 64px 32px;
    }

    .preview h2 {
      text-align: center;
      margin-top: 0;
      margin-bottom: 16px;
    }

    .preview p {
      text-align: center;
      color: var(--muted);
      max-width: 720px;
      margin: 0 auto 48px;
    }

    .screens {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 48px;
      align-items: start;
    }

    .screen {
      text-align: center;
    }

    .screen img {
      width: 100%;
      max-width: 320px;
      border-radius: 28px;
      box-shadow: 0 18px 48px rgba(0,0,0,.22);
    }

    .screen h4 {
      margin: 20px 0 8px;
    }

    .screen span {
      color: var(--muted);
      font-size: .95rem;
    }

    .audience {
      background: linear-gradient(135deg, var(--primary), #3cb9b2);
      color: #fff;
      border-radius: 32px;
      padding: 64px 32px;
    }

    .audience h2 {
      text-align: center;
      margin-top: 0;
      margin-bottom: 40px;
    }

    .audience-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 32px;
    }

    footer {
      padding: 32px 24px;
      text-align: center;
      font-size: .9rem;
      color: var(--muted);
    }
    .footer-nav {
    margin-bottom: 8px;
    }

    .footer-nav a {
    color: var(--muted);
    text-decoration: none;
    font-size: 0.9rem;
    }

    .footer-nav a:hover {
    text-decoration: underline;
    }

    .footer-nav span {
    margin: 0 8px;
    color: var(--muted);
    }

    .footer-copy {
    font-size: 0.85rem;
    color: var(--muted);
    }