header {
	border-top: 4px solid var(--accent-5);
	background-color: #EFEFEF;
	color: black;

	display: flex;
	flex-direction: column;
	justify-content: space-between;

	padding: 0 1rem;
	margin-bottom: 1rem;

	a {
		display: inline-block;
		padding-top: 0.5rem;
		padding-bottom: calc(0.5rem - 4px);
	}

	#brand {
		display: flex;
		flex-direction: row;
		align-items: center;
		gap: 1rem;

		h1 {
			font-size: 2rem;
			margin: 0;
			font-weight: 900;
			letter-spacing: 0.15rem;

			a {
				text-decoration: none;
			}
		}
	}

	#nav-pages {
		display: flex;
		flex-direction: column;
		align-items: flex-start;

		padding-inline-start: 2.5rem;

		transition: max-height 0.2s linear;
		max-height: 100vh;
	}

	#nav-socials {
		align-self: center;

		display: flex;
		gap: 1.5rem;

		transition: max-height 0.2s linear;
		max-height: 100vh;

		a {
			font-size: 1.5rem;
			transition: color 0.2s ease-in-out;
			line-height: 1;
		}
	}

	nav>a {
		text-decoration: none;
		font-weight: 700;
		font-size: 1.2rem;
		text-transform: uppercase;
		letter-spacing: 0.1rem;
		transition: color 0.2s ease-in-out;

		&:hover {
			color: var(--accent-3);
		}

		&.active {
			border-bottom: 2px solid var(--accent-3);
		}
	}

	button#mobile-menu {
		display: block;
		background-color: transparent;
		border: none;
		font-size: 2rem;
		cursor: pointer;
	}

	&.collapsed {

		#nav-pages,
		#nav-socials {
			max-height: 0;
			overflow: hidden;
		}
	}
}

@media (min-width: 480px) {
	header {
		flex-direction: row;
		align-items: center;
		justify-content: space-between;

		a {
			padding-top: 1rem;
			padding-bottom: calc(1rem - 4px);
		}

		#nav-pages {
			justify-self: start;
			flex-direction: row;
			gap: 1.5rem;
			padding-inline-start: 0;
		}

		button#mobile-menu {
			display: none;
		}

		&.collapsed {

			#nav-pages,
			#nav-socials {
				display: flex;
			}
		}
	}
}

@media (min-width: 1024px) {
	header {
		padding: 0 1rem;
		gap: 1.5rem;
		justify-content: start;

		h1 {
			margin-bottom: 0.5rem;
		}

		#nav-socials {
			align-self: flex-end;
			margin-left: auto;
		}
	}
}