header {
  background: var(--primary);
  max-width: 1800px;
  width: 100%;
  margin: 0 auto;
  padding: 0;
  display: flex;
  align-items: center;
  min-height: 72px;
}

.menu {
  display: flex;
  list-style: none;
  padding: 0px;
  font-size: 20px;
  align-items: center;
  margin-right: 60px;
}

.logo_header {
  margin: 0 0 0 0;
  padding: 0px;
  width: 100px;
  height: 100px;
  object-fit: contain;
  margin-right: auto;
}

.menu > li > a {
  display: block;
  padding: 16px 20px;
  color: white;
  text-decoration: none;
  transition: background var(--transition);
  margin-left: 10px;
  padding: 10px 10px 10px 105px;
}

.menu > li > a:hover {
  color: var(--dark);
  transform: scale(1.2);
}

.tem-submenu {
  position: relative;
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: var(--primary);
  list-style: none;
  min-width: 180px;
  box-shadow: var(--shadow);
  z-index: 100;
}

.submenu li a {
  display: block;
  padding: 12px 20px;
  color: white;
  text-decoration: none;
}

.submenu li a:hover {
  transform: scale(1.2);
}

/* Mostrar ao passar o mouse */
.tem-submenu:hover .submenu {
  display: block;
}

.whatsapp-btn {
  position: fixed;
  bottom: 20px; /* distância do rodapé */
  right: 20px; /* distância da direita */
  z-index: 1000; /* fica na frente de tudo */

  background: #25d366; /* cor oficial do WhatsApp */
  border-radius: 50%; /* deixa redondo */
  width: 60px;
  height: 60px;

  display: flex;
  align-items: center;
  justify-content: center;

  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease;
}

.whatsapp-btn:hover {
  transform: scale(1.1); /* cresce levemente no hover */
}

.whatsapp-btn img {
  width: 35px;
  height: 35px;
}

main {
  padding: 40px 20px;
  text-align: center;
  background: var(--light-gray);
}

footer {
  background: var(--primary);
  color: white;
  text-align: center;
  padding: 20px;
}