@media (max-width: 768px) { 

  .header-nav {
      flex-wrap: wrap; 
      justify-content: space-between; 
      padding: 10px 20px;
      position: relative;
  }

  /* Logo menor no mobile */
  .header-nav .logo img {
      max-width: 70px;
  }

  /* Oculta o menu por padrão */
  .nav-links {
      position: absolute;
      top: 70px;
      right: 0;
      background: #23272a;
      flex-direction: column;
      width: 200px;
      height: 0;
      overflow: hidden;
      transition: height 0.3s ease;
      text-align: center;
      gap: 0;
      padding: 0;
  }

  /* Quando abre (classe adicionada via JS) */
  .nav-links.open {
      height: 230px; 
      padding: 10px 0;
  }

  .nav-links li {
      padding: 10px 0;
  }

  /* Botão hamburguer visível no mobile */
  .hamburger {
      display: flex;
      flex-direction: column;
      cursor: pointer;
      gap: 5px;
  }

  .hamburger span {
      width: 25px;
      height: 3px;
      background: white;
      border-radius: 5px;
      transition: all 0.3s ease;
  }

  /* Animação para virar X */
  .hamburger.active span:nth-child(1) {
      transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.active span:nth-child(2) {
      opacity: 0;
  }
  .hamburger.active span:nth-child(3) {
      transform: rotate(-45deg) translate(6px, -6px);
  }

  /* Conteúdo do header */
  .header-content h1 {
      font-size: 2rem;
  }

  .header-content p {
      font-size: 1rem;
      max-width: 300px;
  }

  /* Seções */
  main section {
      grid-template-columns: 1fr !important; 
      text-align: center;
      padding: 40px 20px; 
      gap: 20px;
  }

  main .text h2 {
      font-size: 24px;
      margin-bottom: 12px;
  }

  main .text p {
      font-size: 14px;
      line-height: 1.4;
  }

  main .image img {
      margin: 20px auto;
      width: 100%;
      max-width: 90%; 
      height: auto;
  }

  /* Footer */
  footer {
      flex-direction: column;
      text-align: center;
  }

  footer img {
      margin-bottom: 5px;
  }

  footer p {
      margin-top: 0;
  }
}