/* Global Styles */
body {
    font-family: 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f7f7;
    color: #333;
  }
  
  nav {
    background-color: #ff7f50;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  #logo {
    flex: 1; /* Ocupa todo o espaço disponível no meio */
    text-align: center; /* Alinha o logotipo ao centro */
  }
  
  #logo img {
    max-width: 200px; /* Ajuste o tamanho máximo conforme necessário */
    height: auto; /* Mantém a proporção da imagem */
  }
  
  
  nav a {
    color: white;
    text-decoration: none;
    padding: 10px 15px;
    display: block;
  }
  
  .navbar-menu {
    display: none;
    flex-direction: column;
  }
  
  .navbar-menu.active {
    display: flex;
  }
  
  .navbar-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
  }
  
  .navbar-toggle span {
    background: white;
    height: 3px;
    width: 25px;
    margin: 4px 0;
  }
  
  @media (max-width: 768px) {
    .navbar-menu {
      display: none;
      width: 100%;
    }
  
    .navbar-toggle {
      display: flex;
    }
  }
  
  .content {
    display: none;
    padding: 20px;
  }
  
  .content.active {
    display: block;
  }
  
  .grid {
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
  }
  
  .card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 20px;
    text-align: center;
    width: 150px;
    transition: transform 0.3s;
  }
  
  .card:hover {
    transform: translateY(-5px);
  }
  
  .card h2 {
    color: #ff7f50;
  }
  
  .card p {
    margin: 5px 0;
  }
  
  #practice-card {
    margin: 20px auto;
    padding: 40px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    width: 200px;
    text-align: center;
    transition: transform 0.3s;
  }
  
  #practice-card.flip {
    transform: rotateY(360deg);
  }
  
  #answer-input, button {
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    border: none;
    border-radius: 4px;
    font-size: 16px;
  }
  
  button {
    background-color: #ff7f50;
    color: white;
    cursor: pointer;
  }
  
  button:hover {
    background-color: #e67348;
  }
  
  #feedback {
    margin: 10px 0;
    font-size: 18px;
  }
  
  #score {
    margin: 10px 0;
    font-size: 20px;
    color: #ff7f50;
  }