*, *::before, *::after {
	box-sizing:	border-box;
}

:root {
	--ff-primary: 'Source Sans Pro', sans-serif;
	--ff-secondary: 'Source Code Pro', monospace;

	--fw-reg: 	300;
	--fw-bold:	900;

	--clr-light:	#fff;
	--clr-dark:	#303030;
	--clr-accent:	#16e0bd;
		
	--fs-h1:	3rem;
	--fs-h2:	2.25rem;
	--fs-h3:	1.25rem;
	--fs-body:	1rem;

	--bs:		0.25em 0.25em 0.75em rgba(0, 0, 0, 0.25), 0.125em 0.125em 0.25em rgba(0, 0, 0, .15);
}

html {
	scroll-behavior: 	smooth;
}

@media (min-width: 800px) {
	:root {
		--fs-h1:	4.5rem;
		--fs-h2:	3.75rem;
		--fs-h3:	1.5rem;
		--fs-body:	1.125rem;
	}
}

body {
	background:		var(--clr-light);
	color:			var(--clr-dark);
	margin:			0;
	font-family:	var(--ff-primary);
	font-size:		var(--fs-body);
	line-height:	1.6;
}

section {
	padding: 5em 2em;
}

img {
	display:	block;
	max-width:	100%;
}

strong {
	font-weight:	var(--fw-bold);
}

:focus {
	outline: 3px solid var(--clr-accent);
	outline-offset:	3px;
}

/* Buttons */
.btn {
	display:	inline-block;
	padding:	.5em 1.5em;
	background: var(--clr-accent);
	color:		var(--clr-dark);
	text-decoration: none;
	cursor:		pointer;
	font-size:	.8rem;
	text-transform:	uppercase;
	letter-spacing: 2px;	
	font-weight: var(--fw-bold);
	transition: transform 200ms ease-in-out;
	border-radius: 5rem;
}

.btn:hover {
	transform: scale(1.1);
}

/* Typography */
h1, h2, h3 {
	line-height:	1;
	margin:			0;
}

h1 {
	font-size:	var(--fs-h1);
}
h2 {
	font-size:	var(--fs-h2);
}
h3 {
	font-size:	var(--fs-h3);
}

.section__title {
	margin-bottom:	.25rem;	
}

.section__title--intro {
	font-weight:	var(--fw-reg);
}




.section__title--intro strong { 
	display:	block;
}



.section__subtitle {
	margin:		0;
	font-size:	var(--fs-h3);
}

.section__subtitle--intro, .section__subtitle--about {
	background:		var(--clr-accent);
	padding: 		.25em 1em;
	font-family:	var(--ff-secondary);
	margin-bottom:	1em;
}


/* Header */
header {
	display:			flex;
	justify-content: 	space-between;
	padding:			1em;
}

.nav {
	position:			fixed;
	background: 		var(--clr-dark);
	color:				var(--clr-accent);
	top:				0;
	bottom:				0;
	left:				0;
	right:				0;
	z-index:			100;

	transform:			translateX(100%);
	transition:			transform 250ms cubic-bezier(.5, 0, .5, 1);
}

.nav__list {
	list-style: 		none;
	display: 			flex;
	height:				100%;
	flex-direction: 	column;
	justify-content: 	space-evenly;
	align-items: 		center;
	margin:				0;
	padding:			0;
}

.nav__link {
	color:				var(--clr-light);
	font-weight: 		var(--fw-bold);
	font-size:			var(--fs-h2);
	text-decoration:	none;
}

.nav__link:hover {
	color:			var(--clr-accent);
}


.nav-open .nav {
	transform:		translateX(0);
}

.nav-open .nav-toggle {
	position:		fixed;
}

.nav-open .hamburger {
	transform:		rotate(.625turn);
}

.nav-open .hamburger::after {
	transform:		rotate(90deg) translate(6px);
}

.nav-open .hamburger::before {
	opacity:		0;
}

.nav-toggle {
	padding:		.5em;
	background:		transparent;
	border:			0;
	cursor:			pointer;
	position:		absolute;
	right:			1em;
	top:			1em;
	z-index:		1000;
}

.hamburger {
	display:		block;
	position:		relative;
}


.hamburger, .hamburger::before, .hamburger::after {
	background:		var(--clr-accent);
	width:			2em;
	height: 		3px;
	border-radius: 	1em;
	transition:		transform 250ms ease-in-out;
}


.hamburger::before, .hamburger::after {
	content:		'';
	position:		absolute;
	left:			0;
	right:			0;
}

.hamburger::before {
	top:			6px;
}

.hamburger::after {
	bottom:			6px;
}

.logo {
	max-width:			100px;
}



/* Intro section */
.intro {
	position:	relative;
}

.intro__img {
	box-shadow: var(--bs);
}

.section__subtitle--intro {
	display: 	inline-block;
}

@media (min-width: 600px) {
	.intro {
		display: 				grid;
		width:					min-content;
		margin:					0 auto;
		grid-column-gap: 		1em;	
		grid-template-areas:	
			"img title"
			"img subtitle";

		grid-template-columns: min-content max-content;
	}

	.intro__img {
		grid-area:	img;
		min-width:	250px;
		position:	relative;
		z-index: 	2;
	}

	.section__subtitle--intro {
		align-self:		start;
		grid-column:	-1/1;
		grid-row:		2;
		text-align:		right;
		position:		relative;
		left:			-1.5em;
		width:			calc(100% + 1.5em);
	}
}

/* My services section */
.my-services {
	background-color:		var(--clr-dark);
	background-image:		url(../img/andrew-02.jpg);
	background-size:		cover;
	background-blend-mode: 	multiply;
	color: 					var(--clr-light);
	text-align:				center;
}

.section__title--services {
	color:					var(--clr-accent);
	position:				relative;
}

.section__title--services::after {
	content: 	'';
	display: 	block;
	width:		3em;
	height:		1px;
	margin:		0.5em auto 1em;
	background:	var(--clr-light);
	opacity:	0.25;	
} 

.services {
	margin-bottom:	2.4em;
}

.service {
	max-width: 	700px;
	margin: 	0 auto;
}

@media (min-width: 800px) {
	.services {
		display:	flex;
		max-width:	1000px;
		margin-left: auto;
		margin-right: auto;
	}

	.service + .service {
		margin-left:	2.5em;
	}
}


.about-me {
	max-width: 		1000px;
	margin:			0 auto;
}

.about-me__img {
	box-shadow:		var(--bs);
}


@media (min-width: 600px) {
	.about-me {
		display: 				grid;
		grid-template-columns: 	1fr 200px;
		grid-template-areas: 
			"title img"
			"subtitle img"
			"text img";
		grid-column-gap:		2em;
	}

	.section__title--about {
		grid-area:	title;
	}

	.section__subtitle--about {
		grid-column: 	1/-1;
		grid-row:		2;
		position:		relative;
		left:			-1em;
		width:			calc(100% + 2em);
		padding-left:	1em;
		padding-right:	calc(200px + 4em);
	}

	.about-me__img {
		grid-area:	img;
		position:	relative;
		z-index:	2;
	}
}

/* My work */
.my-work {
	background: var(--clr-dark);
	color:		var(--clr-light);
	text-align:	center;
}

.section__subtitle--work {
	color:			var(--clr-accent);
	font-weight:	var(--fw-bold);
	margin-bottom:	2em;	
}

.portfolio {
	display:				grid;
	grid-template-columns: 	repeat(auto-fit, minmax(300px, 1fr));

	grid-gap:				10px;
}

.portfolio__item {
	background:		var(--clr-accent);
	overflow: 		hidden;
}

.portfolio__img {
	transition:		transform 750ms cubic-bezier(.5, 0, .5, 1),
	opacity 250ms linear;
}

.portfolio__item:focus {
	position:		relative;
	z-index:		2;
}

.portfolio__img:hover, .portfolio__item:focus .portfolio__img {
	transform:		scale(1.2);	
	opacity:		.5;
}


/* Footer */
.footer {
	background:		#111;
	color:			var(--clr-accent);
	text-align:		center;
	padding:		2.5em 0;
}

.footer a {
	color:			inherit;
}

.footer__link {
	font-size:		var(--fs-h3);
	font-weight: 	var(--fw-bold);
}

.footer__link:hover, .social-list__link:hover {
	opacity:		.7;
}

.footer__link:hover {
	text-decoration: underline;
}

.social-list {
	list-style:		none;
	display:		flex;
	justify-content: center;
	margin:			2em 0;
	padding:		0;
}

.social-list__item {
	margin:			0 .5em;
}

.social-list__link {
	padding:		.5em;
}