body {
      margin: 0;
      font-family: 'Inter', sans-serif;
      background: #f8f9fa;
      color: #212529;
    }
    header {
      background: #006666;
      color: white;
      padding: 20px;
      text-align: center;
    }
    header h1 {
      margin: 0;
      font-size: 24px;
    }
    .hero {
      background: #0d6e6e;
      color: white;
      padding: 40px 20px;
      text-align: center;
    }
    .hero h2 {
      font-size: 28px;
      margin-bottom: 10px;
    }
    .hero p {
      font-size: 16px;
    }
    .search-box {
      margin: 20px auto;
      max-width: 500px;
      display: flex;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }
    .search-box input {
      flex: 1;
      padding: 12px;
      border: none;
      font-size: 16px;
    }
    .search-box button {
      background: #004d4d;
      color: white;
      border: none;
      padding: 12px 20px;
      cursor: pointer;
    }
    .container {
      max-width: 960px;
      margin: auto;
      padding: 20px;
    }
    h3 {
      margin-top: 40px;
      font-size: 20px;
    }
    .grid {
      display: grid;
      gap: 20px;
      grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      margin-top: 20px;
    }
    .card {
      background: white;
      padding: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 6px rgba(0,0,0,0.08);
    }
    .card h4 {
      margin: 0 0 5px;
      font-size: 16px;
      font-weight: 600;
    }
    .card p {
      margin: 0;
      font-size: 14px;
      color: #555;
    }
    footer {
      background: #006666;
      color: white;
      text-align: center;
      padding: 20px;
      margin-top: 60px;
    }
    @media (max-width: 600px) {
      .hero h2 {
        font-size: 22px;
      }
      .search-box {
        flex-direction: column;
      }
      .search-box button {
        width: 100%;
        border-radius: 0 0 8px 8px;
      }
    }