.main-nav {
  background: var(--fdrx-white);
  padding: 15px 0;
  border-bottom: 1px solid #e0e0e0;
}

.main-nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
}

.main-nav li {
  margin: 0 20px;
}

.main-nav a {
  color: #333333;
  text-decoration: none;
  font-size: 1.1rem;
  font-weight: 500;
  padding: 8px 12px;
  transition: color 0.3s ease;
}

.main-nav a:hover {
  color: #666666;
}

.main-nav a.active {
  color: #333333;
  font-weight: bold;
}

/* Responsive design */
@media (max-width: 768px) {
  .main-nav ul {
    flex-direction: column;
    gap: 10px;
  }

  .main-nav li {
    margin: 10px 0;
  }

  .main-nav a {
    font-size: 1rem;
    padding: 10px;
  }
}