.wrap {
      max-width: 1100px;
      margin: auto;
      padding: 40px 20px;
    }

    header h1 {
      font-size: 28px;
      margin-bottom: 6px;
    }

    header p {
      color: #64748b;
      font-size: 17px;
      margin-bottom: 24px;
    }

    .grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .cert {
      border: 1px solid #e2e8f0;
      border-radius: 10px;
      background: white;
      padding: 10px;
      text-align: center;
      box-shadow: 0 3px 10px rgba(0,0,0,0.05);
    }

    .cert img {
      width: 100%;
      height: auto;
      border-radius: 8px;
      cursor: zoom-in;
    }

    .cert h3 {
      margin: 10px 0 4px;
      font-size: 16px;
    }

    .cert p {
      color: #64748b;
      font-size: 14px;
      margin: 0;
    }