*,
*::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    : #771055;
    --clr-accent  : #4dcf26;
    --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);
}

.portfolio {
    display        : grid;
    grid-template-columns: repeat(var(--number-columns,1),1fr);
    gap            : 10px;
    align-content: center;
}

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;
}

#home {
    padding: 02em 2em;
}

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

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

#canvas1 {
    position  : fixed;
    top       : 0;
    left      : 0;
    background: black;
    z-index   : -1;
}

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

.btn {
    display        : inline-block;
    padding        : .5em 2.5em;
    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-int-out;
}

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

/* Topography*/

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);
    font-family  : var(--ff-secondary);
    margin-bottom: 1em;
    padding      : .25em 1em;
}

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

/*  header */

/* takes most styiling to style*/
header {
    display        : flex;
    justify-content: space-between;
    padding        : 1em;
}

.logo {
    max-width: 80px;
}

.nav {
    position  : fixed;
    background: var(--clr-dark);
    color     : var(--clr-light);
    top       : 0;
    bottom    : 0;
    left      : 0;
    right     : 0;
    z-index   : 100;
    /*cover full screen*/

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

.nav__list {
    list-style     : none;
    /*erase dots*/
    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   : .5em;
    /*adds space to click on*/
    background: transparent;
    border    : 0;
    cursor    : pointer;
    position  : absolute;
    right     : 1em;
    top       : 1em;
    z-index   : 1000;
    /*bottom states over the hamburger page*/
}

.nav-open .nav {
    /*background:red; /*class that is added to the document body*/
    transform: translateX(0);
    /*moves the nav to show it in the right*/

}

.nav-open .nav-toggle {
    position: fixed;
    /*maintain toggle in the view (toggle is the block contain hamburger)*/
}

.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   : 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 {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.intro__img {
    filter: drop-shadow(0px 0px 4px var(--clr-dark));
    height: 250px;
}

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

/*
generic: 300 600 900 for media query*/
@media (min-width: 600px) {
    .intro {
        display        : grid;
        width          : min-content;
        height: 100vh;
        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;
        height: auto;
        position : relative;
        z-index  : 2;
    }

    .section__subtitle--intro {
        align-self : start;
        grid-column: -1 / 1;
        /*All the way accross*/
        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-light);
    background-image     : url(../img/services_bg.jpg);
    background-size      : cover;
    background-blend-mode: multiply;
    color                : var(--clr-light);
    text-align           : center;
}

.section__title--services {
    color   : var(--clr-accent);
    position: relative;
    /* because the next pseudoelement*/
}

/*It creates a line like a subrayado*/
.section__title--services::after {
    content   : '';
    /*It has to have a content to appear*/
    display   : block;
    width     : 3em;
    height    : 1px;
    margin    : 0.5em auto 1em;
    background: var(--clr-light);
    /*Instead of --clr-light we can choosee currentColor that is the color
    of the element title services (like the father)*/
    opacity   : 0.25;
}

.services {
    margin-bottom: 4em
}

.service {
    /* make text not so long*/
    max-width: 500px;
    margin   : 0 auto;
}

@media(min-width: 800px) {
    .services {
        display     : flex;
        max-width   : 1000px;
        margin-left : auto;
        /* we dont want to override margin bottom of 4em between the bottom*/
        margin-right: auto;
    }

    .service+.service {
        /* adding margen since second element*/
        margin-left: 2em;
    }


}

/* ---------------- About me--------------- */

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

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


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

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

.portfolio__item:focus {
    position: relative;
    z-index : 2;
    /* line of focus over the images*/
}
.portfolio__item{
    display: block;
}
.portfolio__img:hover,
.portfolio__item:focus .portfolio__img {
    transform: scale(1.1);
    opacity  : .75;
}

/*-----FONT AWESOME ------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: .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 .5em;
}

.social-list__link {
    padding: .5em;
    /*there space to click*/
}



@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;
        grid-column: 1;
    }

    .section__subtitle--about {
        grid-column  : 1/-1;
        /*one side to other side*/
        grid-row     : 2;
        position     : relative;
        left         : -1em;
        width        : calc(100% + 2em);
        padding-left : 1em;
        /*moving and do be over image*/
        padding-right: calc(200px + 4em);
    }

    .about-me__img {
        grid-area: img;
        position : relative;
        z-index  : 2;
    }
    .portfolio{
        --number-columns: 2;
    }
    .portfolio__item{
        overflow: hidden;
        height: 270px;
    }
}

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

   .portfolio__item{
       overflow: hidden;
       height: 270px;
   }
    .portfolio{
        --number-columns: 3;
    }
}