/* --- ESTILOS GERAIS DA HEADER --- */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background: #FFFFFF;
  box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  z-index: 99999 !important; /* Garante que fique acima de qualquer banner ou slide */
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  height: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 2rem;
  position: relative;
}

.logo {
  font-size: 1.6rem;
  font-weight: 700;
  color: #0B192C;
  text-decoration: none;
}

.logo span {
  color: #004587d9;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2.5rem;
  align-items: center; 
}

.nav-link {
  text-decoration: none;
  color: #1F2937;
  font-weight: 500;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: color 0.2s ease;
}

/* Efeito Hover no link principal "Institucional" e demais links */
.nav-link:hover {
  color: #004587d9 !important;
}

/* --- BOTÃO ENTRAR NO SISTEMA --- */
.btn-entrar {
  display: inline-block;
  padding: 0.6rem 1.4rem;
  background-color: #004587d9;
  color: #FFFFFF;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border-radius: 6px;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-entrar:hover {
  background-color: #00458799;
  color: #ffffff;
}

/* --- DROPDOWN EM DESKTOP --- */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #FFFFFF;
  min-width: 200px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.1);
  border-radius: 8px;
  padding: 0.5rem 0;
  list-style: none;
  display: none;
  border: 1px solid #E5E7EB;
  z-index: 100000;
}

@media (min-width: 769px) {
  .dropdown:hover .dropdown-menu {
    display: block !important;
  }
}

.dropdown-item {
  padding: 0.6rem 1.2rem;
  display: block;
  color: #1F2937;
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease, background-color 0.2s ease;
}

/* Efeito Hover nos subitens do menu Institucional */
.dropdown-item:hover {
  background-color: #F9FAFB;
  color: #004587d9 !important;
}

.menu-toggle {
  display: none;
  font-size: 2rem;
  cursor: pointer;
  color: #0B192C;
  user-select: none;
  padding: 5px;
}

/* --- AJUSTES EXCLUSIVOS PARA MOBILE --- */
@media (max-width: 768px) {
  .menu-toggle {
    display: block !important; /* Exibe o botão das barrinhas */
  }

  .nav-menu {
    display: none; /* Oculto por padrão no mobile */
    position: absolute;
    top: 80px;
    left: 0;
    width: 100%;
    background-color: #FFFFFF;
    flex-direction: column;
    padding: 2rem 1rem;
    box-shadow: 0 15px 25px rgba(0, 0, 0, 0.15);
    gap: 1.5rem;
    align-items: center !important;
    text-align: center !important;
    border-top: 1px solid #E5E7EB;
  }

  .nav-menu li {
    width: 100%;
    text-align: center;
  }

  .nav-link {
    justify-content: center;
    font-size: 1.1rem;
  }

  .btn-entrar {
    display: block;
    width: 80%;
    margin: 0 auto;
    text-align: center;
  }

  /* Submenu no Mobile */
  .dropdown-menu {
    position: static !important;
    box-shadow: none !important;
    border: none !important;
    background-color: #F9FAFB;
    border-radius: 6px;
    margin-top: 0.5rem;
    width: 100%;
    text-align: center;
  }

  .dropdown-item {
    padding: 0.8rem 0;
    text-align: center;
    font-size: 1rem;
  }
}