:root {
      --primary: #1f7a5c;
      --primary-dark: #14543f;
      --background: #f5f7f6;
      --text: #1f2933;
      --muted: #6b7280;
      --white: #ffffff;
      --border: #e5e7eb;
      --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }

    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      font-family: Arial, Helvetica, sans-serif;
      background: var(--background);
      color: var(--text);
      line-height: 1.6;
    }

    header {
      background: var(--white);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 10;
    }

    .navbar {
      max-width: 1100px;
      margin: 0 auto;
      padding: 18px 20px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 20px;
    }

    .logo {
      font-size: 1.3rem;
      font-weight: bold;
      color: var(--primary);
      text-decoration: none;
    }

    nav a {
      margin-left: 18px;
      color: var(--text);
      text-decoration: none;
      font-weight: 500;
      font-size: 0.95rem;
    }

    nav a:hover {
      color: var(--primary);
    }

    .hero {
      max-width: 1100px;
      margin: 0 auto;
      padding: 80px 20px;
      display: grid;
      grid-template-columns: 1.2fr 0.8fr;
      gap: 40px;
      align-items: center;
    }

    .hero h1 {
      font-size: 3rem;
      line-height: 1.1;
      margin-bottom: 20px;
      color: var(--text);
    }

    .hero p {
      font-size: 1.1rem;
      color: var(--muted);
      margin-bottom: 30px;
      max-width: 650px;
    }

    .badge {
      display: inline-block;
      background: rgba(31, 122, 92, 0.1);
      color: var(--primary);
      padding: 8px 14px;
      border-radius: 999px;
      font-weight: bold;
      font-size: 0.9rem;
      margin-bottom: 20px;
    }

    .buttons {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }

    .btn {
      display: inline-block;
      padding: 13px 22px;
      border-radius: 10px;
      text-decoration: none;
      font-weight: bold;
      transition: 0.2s ease;
    }

    .btn-primary {
      background: var(--primary);
      color: var(--white);
    }

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

    .btn-secondary {
      background: var(--white);
      color: var(--primary);
      border: 1px solid var(--border);
    }

    .btn-secondary:hover {
      border-color: var(--primary);
    }

    .app-card {
      background: var(--white);
      padding: 30px;
      border-radius: 22px;
      box-shadow: var(--shadow);
      text-align: center;
    }

    .app-icon {
      width: 90px;
      height: 90px;
      margin: 0 auto 20px;
      background: linear-gradient(135deg, var(--primary), #34d399);
      border-radius: 24px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--white);
      font-size: 2.4rem;
      font-weight: bold;
    }

    .app-card h2 {
      margin-bottom: 10px;
      color: var(--text);
    }

    .app-card p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    section {
      max-width: 1100px;
      margin: 0 auto;
      padding: 50px 20px;
    }

    .section-title {
      font-size: 2rem;
      margin-bottom: 16px;
      color: var(--text);
    }

    .section-description {
      color: var(--muted);
      max-width: 750px;
      margin-bottom: 30px;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 22px;
    }

    .card {
      background: var(--white);
      border: 1px solid var(--border);
      border-radius: 18px;
      padding: 24px;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.04);
    }

    .card h3 {
      margin-bottom: 10px;
      color: var(--primary);
    }

    .card p {
      color: var(--muted);
      font-size: 0.95rem;
    }

    .info-box {
      background: var(--white);
      border-radius: 18px;
      padding: 28px;
      border: 1px solid var(--border);
    }

    .info-box ul {
      list-style: none;
      margin-top: 15px;
    }

    .info-box li {
      padding: 8px 0;
      color: var(--muted);
    }

    .info-box strong {
      color: var(--text);
    }

    .legal-links {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      margin-top: 20px;
    }

    footer {
      background: #111827;
      color: var(--white);
      margin-top: 50px;
      padding: 30px 20px;
      text-align: center;
    }

    footer p {
      color: #d1d5db;
      font-size: 0.9rem;
    }

    footer a {
      color: #a7f3d0;
      text-decoration: none;
    }

    @media (max-width: 800px) {
      .navbar {
        flex-direction: column;
        align-items: flex-start;
      }

      nav a {
        margin-left: 0;
        margin-right: 14px;
        display: inline-block;
        margin-top: 8px;
      }

      .hero {
        grid-template-columns: 1fr;
        padding: 50px 20px;
      }

      .hero h1 {
        font-size: 2.2rem;
      }

      .grid {
        grid-template-columns: 1fr;
      }
    }