Build a Responsive Navigation Bar with CSS Flexbox

/* HTML Structure Example: */
/*
<nav class="navbar">
  <a href="#" class="brand">MySite</a>
  <ul class="nav-links">
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a></li>
    <li><a href="#">Services</a></li>
    <li><a href="#">Contact</a></li>
  </ul>
</nav>
*/

.navbar {
  display: flex;
  justify-content: space-between; /* Pushes brand to one side, links to other */
  align-items: center; /* Vertically aligns items */
  background-color: #3498db;
  padding: 1rem 1.5rem;
  color: white;
  flex-wrap: wrap; /* Allows items to wrap onto the next line if space is limited */
}

.brand {
  font-size: 1.8rem;
  font-weight: bold;
  color: white;
  text-decoration: none;
  margin-right: 1rem; /* Space between brand and links if they are on same line */
}

.nav-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: 1.5rem; /* Space between navigation items */
  flex-wrap: wrap; /* Allows individual links to wrap within the list */
}

.nav-links li a {
  color: white;
  text-decoration: none;
  padding: 0.5rem 0;
  transition: color 0.3s ease;
}

.nav-links li a:hover {
  color: #ecf0f1;
}

/* Media query for smaller screens: stack elements */
@media (max-width: 600px) {
  .navbar {
    flex-direction: column; /* Stack brand and links vertically */
    align-items: flex-start; /* Align all items to the start */
  }
  .brand {
    margin-bottom: 1rem;
    margin-right: 0;
  }
  .nav-links {
    width: 100%; /* Make links take full width when stacked */
    flex-direction: column;
    gap: 0.5rem;
  }
  .nav-links li {
    width: 100%;
  }
  .nav-links li a {
    display: block; /* Make links block-level for easier clicking */
    padding: 0.75rem 0;
    background-color: rgba(255, 255, 255, 0.1);
    text-align: center;
    border-radius: 44px;
  }
}