.nav-menu {
  position: fixed;
  top: 0; left: 0; width: 100%;
  background: transparent;
  z-index: 1000;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.7);
}

.nav-container {
  max-width: 1800px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
  padding: 0 20px;
}

.logo img {
  height: 140px;
  filter: drop-shadow(2px 2px 5px #000);
  /* border: 2px solid #fff;
  border-radius: 4px;
  background: rgba(255,255,255,0.1);
  padding: 2px; */
  margin-left: 0px;
  margin-top: 120px;
}

.titulo {
  flex: 1;
  text-align: center;
  font-size: 22px;
  color: #fff;
}

.menu-items {
  list-style: none;
  display: flex;
  gap: 20px;
}

.menu-items a {
  display: block;
  padding: 8px 12px;
  color: #fff;
  text-decoration: none;
  transition: background 0.3s, color 0.3s;
  line-height: 1.2;
}

.menu-items li:hover > a {
  background: #fff;
  color: #003366;
  border-radius: 4px;
}

.menu-items li.has-submenu {
  position: relative;
}

.submenu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  border-radius: 4px;
  margin-top: 1px;
  min-width: 180px;
  list-style: none;
  padding: 5px 0;
  z-index: 1001;
}

.submenu li a {
  color: #003366;
  padding: 8px 15px;
}

.menu-items li.has-submenu:hover .submenu {
  display: block;
}