/* Elegant Navigation Bar */
.navbar {
  display: flex;
  justify-content: center;
  align-items: center;
  background: linear-gradient(90deg, #004080, #0066cc);
  padding: 0.5rem 1rem;
  box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.navbar a 
{
  color: #fff;
  text-decoration: none;
  margin: 0 15px;
  font-weight: 500;
  font-size: 1.5rem;
  transition: color 0.3s ease, border-bottom 0.3s ease;
  position: relative;
}

.navbar a:hover {
  color: #ffdd00;
}

.navbar a::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: #ffdd00;
  transition: width 0.3s;
  margin: auto;
}

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