.navbar {
  background-color: #1e3e5c;
  padding: 15px 0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
}
.navbar li {
  margin: 0 20px;
}
.navbar a {
  color: #fff;
  text-decoration: none;
  font-size: 18px;
  font-weight: bold;
  transition: color 0.2s;
}
.navbar a:hover,
.navbar a:focus {
  color: #00ff00;
}

@media (max-width: 770px) {
  .navbar {
    padding: 6px 0;
  }

  .navbar ul {
    display: flex;
    flex-wrap: wrap; /* allow wrapping */
    justify-content: center; /* center each row */
    padding: 0;
    margin: 0 auto;
    gap: 8px; /* space between items */
  }

  .navbar li {
    list-style: none;
    margin: 0;
    flex: 0 1 auto; /* shrink to fit content */
    text-align: center;
  }

  .navbar a {
    font-size: 13px;
    padding: 4px 6px;
    white-space: nowrap;
    display: block;
  }
}