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

/*Custom properties*/

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

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

    --clr-light:#fff; /*#fff;*/
    --clr-dark: #303030;
    --clr-accent: #27b36d; /* #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 Styles*/

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-offset: 3px;
} */

/* Buttons */

.btn{
    display: inline-block;
    padding: 0.5em 2.5em;
    background: var(--clr-accent);
    color: var(--clr-dark);
    text-decoration: none ;
    cursor: pointer;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: var(--fw-bold);
    transition: transforms 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: 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 0.5em;
    font-family: var(--ff-secondary);
    margin-bottom: 1em;
}

/*Header*/

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

.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: 70%;
    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-h3);
    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(225deg);
}

.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: transform 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);
    }
}


/*Services*/

.this-page{
    background-color: var(--clr-dark);
    background-image: url(../img/bg01.jpg);
    background-size: cover;
    background-blend-mode: multiply;
    color: var(--clr-light);
    text-align: center;
}

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

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

.services {
    margin-bottom: 4em ;
}

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

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

    .service + .service{
        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: 1fr 300px;
        grid-template-areas: 
        "title img"
        "subtitle img"
        "text img"
        "space 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: 400px + 3em;
    } 

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


/* My work */

.my-work{
    background-color: var(--clr-dark);
    background-image: url(../img/bg03.jpg);
    background-size: cover;
    background-blend-mode: multiply;
    color: var(--clr-light);
    text-align: center;
}

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

.portfolio{
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    padding-left: 2em;
    padding-right: 2em;
}

.portfolio__item{
    /* background: var(--clr-dark); */
    padding: 0.25em;
    overflow: hidden;
}

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

.portfolio__img{
    transition: 
        transform 750ms cubic-bezier(0.5, 0, 0.5, 1), 
        opacity 250ms linear; 
}

.portfolio__img:hover, 
.portfolio__item:focus .portfolio__img{
    transform: scale(1.2);
    opacity: 0.75;
}

/* Footer */

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

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

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

.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;
    padding: 0 ;
} 

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

.social-list__link{
    font-size: 3em;
    padding: 0.5em;
}

/* portfolio item individual */

.portfolio-item-individual{
    padding: 0 1em 1em;
    max-width: 1000px;
    margin: 0 auto;
}

.portfolio-item-individual p {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}