nav {
  display: flex;
  justify-content: center;
  gap: 1rem;
  padding: 1rem;
  color: white;
}

nav ul {
  display: flex;
  list-style: none;
  list-style-type: none;
  margin: 0;
  padding: 0;
  gap: 1rem;
}

nav li a {
  padding: 0.5rem 1rem;
  border: 2px solid black;
  border-radius: 10px;
  text-decoration: none;
  font-size: 1.1rem;
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* btn color hover */
nav li a:hover {
  background-color: lightgray;
}

.nav-btn {
  font-weight: bold;
}

/* Dropdown */
.dropdown {
  position: relative;
}

.dropdown .dropbtn {
  padding: 0.5rem 1rem;
  border: 2px solid black;
  border-radius: 0.5rem;
  text-decoration: none;
  font-size: 1.1rem; 
  font-weight: bold;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.dropdown .dropbtn:hover {
  background-color: lightgray;
}

.dropdown-content{
  display: none;
  position: absolute;
  /* min-width: 160px; */
  background-color: white;
  margin-top: 1.5em;
  margin-bottom: 1em;
  font-size: 1.1em;
  font-weight: bold;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.2);
  z-index: 1;
  border-radius: 18px;
  opacity: 0;
  /* transition: opacity 0.3s ease; */
}

.dropdown-content a {
  color: white;
  background-color: transparent;
  margin-top: 0.5em;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  transition: background-color 0.3s ease;
}

.dropdown-content a:hover {
  background-color: lightgray;
  color: black;
}

nav li a:link,
nav li a:visited,
nav li a:hover,
nav li a:active,
.nav-btn:link,
.nav-btn:visited,
.nav-btn:hover,
.nav-btn:active,
.dropdown .dropbtn:link,
.dropdown .dropbtn:visited,
.dropdown .dropbtn:hover,
.dropdown .dropbtn:active {
  color: white;                
}

.dropdown.show .dropdown-content {
  display: block;
  background-color: transparent;
  opacity: 1;
}