* {margin:0; padding:0; box-sizing:border-box;}
    body {
      font-family: 'Segoe UI', sans-serif;
      min-height: 100vh;
      padding: 40px;
      display: flex;
      justify-content: center;
      align-items: center;
    }
    .container {
      max-width: 800px;
      background: rgba(255, 255, 255, 0.95);
      border-radius: 20px;
      padding: 30px;
      box-shadow: 0 20px 40px rgba(0,0,0,0.15);
      backdrop-filter: blur(10px);
      width: 100%;
    }

    .header { text-align: center; margin-bottom: 30px; }
    .title { font-size: 2rem; color: #2c3e50; font-weight: bold; margin-bottom: 8px; }
    .subtitle { font-size: 1rem; color: #7f8c8d; }

    .section-header {
      font-size: 1rem;
      font-weight: bold;
      background-color: #d7dbdb;
      color: #1c2b3a;
      margin-bottom: 10px;
      border-bottom: 2px solid #012c06;
      padding: 10px;
      border-radius: 8px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      transition: background 0.2s;
    }
    .section-header:hover {
      background: rgba(0,0,0,0.05);
    }

    .arrow {
      font-size: 1.2rem;
      transition: transform 0.3s ease;
    }
    .section-header.active .arrow {
      transform: rotate(180deg);
    }

    .cards-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr); 
      gap: 15px;
      margin-bottom: 30px;
      overflow: hidden;
      max-height: 0; 
      transition: max-height 0.5s ease, padding 0.5s ease;
    }
    .cards-grid.active {
      max-height: 2000px; 
      padding-top: 6px;
    }

    .card {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      height: 90px; 
      text-decoration: none;
      color: #2c3e50;
      font-size: 1.1rem; 
      font-weight: bold;
      text-align: center;
      background: linear-gradient(135deg, #f6f4f4, #f5f1f1);
      box-shadow: 0 8px 15px rgba(0,0,0,0.1);
      transition: all 0.2s ease;
    }

    .card:hover {
      transform: translateY(-5px) scale(1.03);
      box-shadow: 0 12px 20px rgba(0,0,0,0.15);
      background: linear-gradient(135deg, #eeecec, #ebe9e9);
    }

    .complemento {
      font-size: 0.75rem;
      color: #999999;
      font-weight: normal;
      margin-top: 4px;
      line-height: 1.2;
    }

    .back-button {
      display: inline-block;
      background: linear-gradient(45deg, #000000, #000000);
      color: white;
      padding: 10px 20px;
      border-radius: 25px;
      text-decoration: none;
      margin-bottom: 15px;
      transition: .3s;
      cursor: pointer;
    }
    .back-button:hover {
    background: linear-gradient(45deg, #080222);
    }