/* === CONTENEDOR PRINCIPAL === */
.nivelesasis-container {
    width: 100vw;
    height: 100vh;
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    grid-template-rows: repeat(9, 1fr);
    background-color: #FFA64D;
    background-size: cover;
    background-position: center;
    overflow: hidden;
  }
  
  /* === CUADRO CENTRAL === */
  .nivelesasis-grande {
    grid-column: 4/8;
    grid-row: 3/9;
    background-image: url(https://i.pinimg.com/736x/64/17/bb/6417bb90c55d427f7b54aba44f4f86d0.jpg);
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 15px;
    border-radius: 6px;
    box-shadow: 5px 7px 5px 7px rgb(211, 211, 211);
    padding: 1rem;
    width: 100%;
  }
  
  /* === BOTONES DE NIVELES === */
  .nivel-boton {
    width: 80%;
    padding: 0.8rem;
    background-color: #84a98c;
    border: none;
    color: white;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.2s;
  }
  
  .nivel-boton:hover {
    background-color: #52796f;
  }
  
  .boton-regresar {
    background-color: #6c757d;
  }
  
  .boton-regresar:hover {
    background-color: #5a6268;
  }
  
  /* === TÍTULOS === */
  h1 {
    grid-column: 4/8;
    grid-row: 1/2;
    color: white;
    font-size: 2rem;
    text-align: center;
    margin: 0;
    padding: 1rem 0;
  }
  
  h2 {
    grid-column: 4/8;
    grid-row: 2/3;
    color: white;
    font-size: 1.2rem;
    text-align: center;
    margin: 0;
    font-weight: normal;
  }
  
  /* === ADAPTACIÓN A TELÉFONO === */
  @media (max-width: 768px) {
    .nivelesasis-container {
      grid-template-columns: 1fr;
      grid-template-rows: auto;
      padding: 1rem;
      height: auto;
    }
  
    .nivelesasis-grande {
      grid-column: 1 / -1;
      grid-row: auto;
      width: 100%;
      padding: 1rem;
      gap: 10px;
    }
  
    .nivel-boton {
      width: 100%;
      font-size: 1rem;
    }
  
    h1, h2 {
      grid-column: 1 / -1;
      font-size: 1.5rem;
      padding: 0.5rem 0;
    }
  }