body {
    font-family: 'Poppins', sans-serif;
    background: #f4f4f4;
    padding: 40px;
  }
  
  .container {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
  }
  
  input[type="text"] {
    width: 60%;
    padding: 12px;
    margin-bottom: 30px;
    font-size: 16px;
    border-radius: 8px;
    border: 1px solid #ccc;
  }
  
  .countries-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
  }
  
  .country-card {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0px 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }
  
  .country-card:hover {
    transform: translateY(-8px);
    box-shadow: 0px 6px 20px rgba(0,0,0,0.2);
  }
  
  .country-card a {
    text-decoration: none;
    color: #333;
    display: block;
  }
  
  .country-card .flag-icon {
    width: 40px;
    height: auto;
    margin-bottom: 10px;
  }
  
  .country-card h3 {
    margin: 10px 0 5px;
  }
  
  .country-card .gdp {
    color: #777;
    font-size: 14px;
  }

  .cta-button {
    background: #008CBA;
    color: white;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 8px;
    margin-top: 30px;
    display: inline-block;
    transition: background 0.3s;
  }
  
  .cta-button:hover {
    background: #005f6a;
  }