* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    body {
      font-family: Arial, sans-serif;
      color: #333;
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      padding: 20px;
      background: #f0f0f0 url('imagens/aberturasite.jpg') no-repeat fixed center / cover;

    }
    .grid-container {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
      gap: 30px;
      width: 100%;
      max-width: 1000px;
    }
    .circle {
      width: 240px;
      height: 250px;
      background: linear-gradient(135deg, #fedba3, #0044f2, #182435);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      font-weight: bold;
      color: #fff;
      text-align: center;
      padding: 20px;
      border-radius: 60% 40% 65% 35% / 55% 40% 60% 45%;
      box-shadow: 0 8px 20px rgba(0,0,0,0.3);
      cursor: pointer;
      transition: transform 0.3s, box-shadow 0.3s;
      animation: derrete 3s ease-in-out infinite alternate, pulse 2s ease-in-out infinite;
      text-decoration: none;
    }
    .circle:hover {
      transform: scale(1.1);
      box-shadow: 0 12px 30px rgba(0,0,0,0.4);
    }
    @keyframes derrete {
      0%   { border-radius: 60% 40% 65% 35% / 55% 40% 60% 45%; }
      100% { border-radius: 50% 60% 55% 45% / 60% 50% 40% 50%; }
    }
    @keyframes pulse {
      0%, 100% { transform: scale(1); }
      50%      { transform: scale(1.07); }
    }

@media (max-width: 900px) {
  .circle {
    width: 200px;
    height: 200px;
    font-size: 1.4rem;
  }
}

@media (max-width: 600px) {
  .circle {
    width: 180px;
    height: 180px;
    font-size: 1.3rem;
  }

  body {
    padding: 15px;
    font-size: 18px;
  }
}

@media (max-width: 400px) {
  .circle {
    width: 160px;
    height: 160px;
    font-size: 1.2rem;
  }

  body {
    font-size: 17px;
  }
}