body {
      font-family: 'Inter', sans-serif;
      background: #e5ddd5;
      margin: 0;
      padding: 20px;
      color: #202020;
    }
    header {
      background: #ffffff;
      padding: 16px 24px;
      border-radius: 20px 20px 20px 0;
      box-shadow: 0 4px 10px rgba(0,0,0,0.05);
      text-align: center;
      max-width: 500px;
      margin: 0 auto 24px;
      position: relative;
    }
    header::after {
      content: "";
      position: absolute;
      bottom: -10px;
      left: 40px;
      width: 0;
      height: 0;
      border: 10px solid transparent;
      border-top-color: #ffffff;
      border-bottom: 0;
      margin-left: -10px;
    }
    header img {
      max-height: 60px;
    }

    .container {
      max-width: 750px;
      margin: auto;
      background: #ffffff;
      padding: 30px;
      border-radius: 20px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

    h2 {
      text-align: center;
      margin-bottom: 24px;
    }

    .grid-cards {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
    }

    .card {
      background: #ffffff;
      border-radius: 16px;
      box-shadow: 0 6px 10px rgba(0,0,0,0.06);
      text-align: center;
      padding: 30px 20px;
      text-decoration: none;
      color: #202020;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      border: 1px solid #ddd;
    }

    .card:hover {
      transform: translateY(-4px);
      box-shadow: 0 10px 20px rgba(0,0,0,0.08);
    }

    .card-icon {
      font-size: 36px;
      margin-bottom: 12px;
      color: #25D366;
    }

    .card-title {
      font-size: 0.70rem;
      font-weight: 600;
    }

    footer {
      text-align: center;
      margin-top: 50px;
      font-size: 0.9rem;
      color: #555;
    }

    footer a {
      color: #25D366;
      text-decoration: none;
      font-weight: 600;
    }