/* HEADER */

.header {
  background: #fff;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 2000;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.logo {
  height: 50px;
}

/* Menu desktop */
.nav {
  display: flex;
  gap: 1.5rem;
}

.nav a {
  position: relative;
  color: #000;
  text-decoration: none;
  font-weight: bold;
  padding-bottom: 5px;
  transition: color 0.3s ease;
}

.nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 0;
  background-color: #c40000;
  border-radius: 2px;
  transition: width 0.4s ease;
}

.nav a:hover {
  color: #c40000;
}

.nav a:hover::after {
  width: 100%;
}

/* Link ativo */
.nav a.active {
  color: #c40000;
}

.nav a.active::after {
  width: 100%;
}

/* Botão hamburguer */

.menu-mobile {
  display: none;
  background: none;
  border: none;
  font-size: 1.8rem;
  color: #c40000;
  cursor: pointer;
  z-index: 2100;
  transition: transform 0.3s ease;
}

#menu-icon {
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* Efeito de rotação no ícone */
.menu-mobile.active #menu-icon {
  transform: rotate(180deg);
}

/* Fundo escurecido */
.menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1500;
}