/* Header Section */
a {
  text-decoration: none;
}

/* Header Section */
header {
  margin: 0 auto;
  width: 100%;
  max-width: 1600px;
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  text-align: center;
  align-items: center;
  height: 70px;
  padding: 0 15px;
  z-index: 2;
  background-color: var(--color-bg);
}

.header-logo {
  padding: 10px;
  font-size: 1.4em;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  font-weight: bold;
}

/* Navigation Menu for Mobile */
.nav-menu {
  list-style-type: none;
  position: absolute;
  display: flex;
  justify-content: space-evenly;
  flex-direction: column;
  align-items: center;
  height: 0; /* Set height to 0 initially to hide content */
  overflow: hidden; /* Hide overflow content */
  width: 100%; /* Set width to 100% to span the entire viewport */
  transition: height 0.3s ease; /* Transition on height for smooth animation */
  left: 0; /* Start the menu from the leftmost edge of the screen */
  background-color: var(--color-bg); /* Ensure background color */
}

.nav-menu.active {
  height: auto; /* Set height to auto to reveal the content */
}

/* Navigation Items */
.nav-item {
  text-align: center;
  display: none;
}

.nav-item a {
  display: block;
  padding: 20px;
  font-weight: 700;
  width: 100vw;
  letter-spacing: 0.1em;
  transition: all 0.2s ease;
  color: var(--color-bg);
}

.nav-item a:hover,
.nav-item a:focus {
  color: var(--color-secondary);
  text-decoration: underline;
}

.active {
  background-color: var(--color-text);
}

.active .nav-item {
  display: block;
}

/* Toggle Button (changed to <button> for accessibility) */
.toggle {
  padding: 1.1em;
  background: transparent;
  border: none;
  cursor: pointer;
  color: var(--color-primary);
}

.toggle i {
  font-size: 2em;
}

/* Media Queries for Larger Screens */
@media only screen and (min-width: 768px) {
  .nav {
    display: flex;
    text-align: center;
    justify-content: space-between;
    align-items: center;
  }
  .nav-menu {
    position: relative;
    align-items: center;
    flex-direction: row;
    background-color: var(--color-bg);
    height: fit-content;
    height: -moz-fit-content;
  }
  .nav-item {
    position: relative;
    display: block;
    width: fit-content;
    width: -moz-fit-content;
    margin: 0;
  }
  .nav-item a {
    width: fit-content;
    width: -moz-fit-content;
    color: var(--color-primary);
  }
  .toggle {
    display: none;
  }
}