.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
}
.hamburger {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--cor-fundo);
  position: relative;
  transition: background 0.2s ease-out;
}
.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 100%;
  height: 100%;
  background: var(--cor-fundo);
  left: 0;
  transition: all 0.2s ease-out;
}
.hamburger::before {
  top: -8px;
}
.hamburger::after {
  top: 8px;
}

@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }
  .nav-links {
    position: absolute;
    top: 70px;
    left: -100%;
    width: 100%;
    background-color: var(--cor-primaria);
    flex-direction: column;
    text-align: center;
    padding: 2rem 0;
    transition: left 0.3s ease;
  }
  .nav-links.show {
    left: 0;
  }
  .contato-grid {
    grid-template-columns: 1fr;
  }
}