.navbar {
	position: relative;
	background-color: var(--dark);
    & ul {
        list-style-type: none;
		margin: 0;
    }
	& a {
		display: block;
		padding: .25em 1em;
		margin: .25em;
		text-decoration: none;
		color: var(--light);
		font-weight: normal;
	}
	& a:hover, a:focus {
		background-color: var(--medium);
		color: var(--dark);
	}
	& a.current {
		color: var(--primary-color);
		font-weight: bold;
	}
	& a.current:hover {
		background-color: var(--dark);
	}
}

.menu {
	position: absolute; 
	left: 0;
	display: none; 
	background-color: var(--dark);
}

.menu li:has(.submenu) {
	position: relative;
	& small::after {
		content: "\25b6";  /* right triangle */
	}
	& small {
		margin-left: .25em;
	}
	&:hover > .submenu {
		display: block;
	}
}

.submenu {
	position: absolute;
	top: 0;
	left: 100%;
	background-color: var(--dark);
	color: var(--light);
	width: 100%;
	display: none;
}

/* menu button */
#checkbox-toggle { 
	display: none; 
} 
.menu-btn {
	display: block; 
	padding: 0.25em 1em;
	color: var(--light);
	font-size: 24px;
}
.menu-btn::after { 
	content: "\2630"; /* hamburger symbol */
} 
#checkbox-toggle:checked ~ .menu {
	display: block;
}
#checkbox-toggle:checked ~ .menu-btn::after {
	content: "\2716"; /* close (X) symbol */
}

/* media queries */
@media only screen and (min-width: 800px) {
	.menu {
		position: relative;
		display: flex;
		justify-content: space-evenly;
	}
	.menu li:has(.submenu) small::after {
		content: "\25bc";  /* down triangle */
	}
	.menu-btn { 
		display: none; 
	} 
	.submenu {
		top: auto; 
		left: 0;
	}
	#checkbox-toggle:checked ~ .menu { 
		display: flex; 
	}
}