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

/* Costum properties */

: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, 0.15);
}

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

/* General Style */

html {
	scroll-behavior: smooth;
}

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-offest: 3px;
}

/* Button */

.btn {
    display: inline-block;
    padding: .5em 2em;
    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;
}

.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: 0.25em;	
}

.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: 0.25em 1em;
	font-family: var(--ff-secondary);
	margin-bottom: 1em;
}

/* Header */

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

.logo {
	max-width: 100px;
}

.nav {
	position: fixed;
	background: var(--clr-dark);
	color: var(--clr-light);
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	z-index: 100;
	
	transform: translateX(100%);
	transition: transform 250ms cubic-bezier(0.5, 0, 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: inherit;
    font-weight: var(--fw-bold);
    font-size: var(--fs-h2);
	text-decoration: none;
}

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

.nav-toggle {
	padding: 0.5em;
	background: transparent;
	border: 0;
	cursor: pointer;
	position: absolute;
	right: 1em;
	top: 1em;
	z-index: 1000;
}

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

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

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

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

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


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

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

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

.hamburger::before { top: 6px }
.hamburger::after { bottom: 6px }


/* Intro section */

.intro {
	position: relative;
}

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

@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 */

.my-projects {
	background-color: var(--clr-light);
	/* background-image: url(pattern.jpg); */
	
	color: var(--clr-dark);
	text-align: center;
}

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

.section__title--projects::after {
	content: '';
    display: block;
    width: 2em;
    height: 1px;
    margin: 0.5em auto 1em;
	background: var(--clr-dark);
	opacity: 0.5;
}

.projects {
	margin-bottom: 4em;
}

.project {
	max-width: 500px;
	margin: 0 auto
}

@media (min-width: 800px) {
	.projects {
		display: flex;
		max-width: 1000px;
		margin-left: auto;
		margin-right: auto;	
	}
	
	.project +.project {
		margin-left: 2em;
	}
}

/* About Me */

.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: 1 fr 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;
}

/* Footer */

.footer {
	background: #111;
	color: var(--clr-accent);
	text-align: center;
	padding: 2.5em 0;    
	font-size: var(--fs-h3);
}

.footer a { 
    color: inherit;
    text-decoration: none;
}

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

.footer__link:hover,
.social-list__link:hover {
    opacity: 0.7;
}

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

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

.social-list__item {
	margin: 0 0.5em;
}

.social-list__link {
	padding: 0.5em;
}

form {
	max-width: 550px;
	width: 90%;
	background-color: white;
	margin: 0vh auto 0 auto;
	padding: 40px;
	border-radius: 3px;
	box-sizing: border-box;
}

.contact-form {
	margin: 0;
	text-align: center;
}

label {
	display: block;
	margin: 20px 0;
}

input, textarea {
	width: 100%;
	padding: 10px;
	box-sizing: border-box;
	outline: none;
	resize: none;
	border: none;
	border-bottom: 1px solid #d3d3d3;
}

textarea::webkit-scrollbar {
	width: 4px;
}

.center {
	text-align: center;
}

/* 
input[type="submit"] {
	margin-top: 30px;
	width: 90%;
	max-width: 200px;
	background: linear-gradient(to right, var(--clr-accent),  #13ecca);
	color: var(--clr-dark);
	font-size: 17px;
	cursor: pointer;
	border-radius: 3px;
} */

input[type="submit"].btn {
	-webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
	width: 35%;
	height: 20%;
	font-size: 11px; 
	font-weight: 900;
	height: 35px;
}

.error {
	color: red;
}

.error-border {
	border-bottom: 1px solid red;
}

#success {
	color: #28A745;
}
}