/* Menu superior */
nav {
  background: linear-gradient(90deg, #004080, #0073e6);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

nav img.logo {
  height: 60px;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: white;
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s;
}

.nav-links a:hover {
  color: #cce6ff;
}