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

/* Custom Properties, update these for your own design */

: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: #161a1d;
    --clr-accent: #660708;/* #16dcff;*/
    
    --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,.25),
          0.125em 0.125em 0.25em rgba(0,0,0,.15);
          
}

@media (min-width: 800px) {
    :root {
        --fs-h1: 4.5rem;
        --fs-h2: 3rem;
        --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: .5em 2.5em;
    background: var(--clr-accent);
    color: var(--clr-light);
    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: .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: .25em 1em;
    font-family: var(--ff-secondary);
    margin-bottom: 1em;
    color: var(--clr-light);
}
.section__subtitle--work {
    color: var(--clr-accent);
    font-weight: var(--fw-bold);
    margin-bottom: 2em;
}


/* header */
header {
    display: flex;
    justify-content: space-between;
    padding: 1em;
}
.logo {
    max-width: 100px;
}
.nav {
    position: fixed;
    background-color: var(--clr-dark);
    color: var(--clr-light);
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 100;

    transform: translate(100%);
    transition: transform 250em 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: inherit;
    font-size: var(--fs-h3);
    font-weight: var(--fw-bold);
    text-decoration: none;
}
.nav__link:hover {
    color: var(--clr-accent);
}
.nav-toggle {
    padding: .25em;
    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) translate(-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);
    }
}

.my_services {
    background-color: var(--clr-dark);
    background-image: url(../img/service.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: 2em;
    height: 1px;
    margin: 0.5em auto 1em;
    background-color: 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 {
    max-width: 1000px;
    margin: 0 auto;
}
.about-me__image {
    box-shadow: var(--bs);
}
@media (min-width: 600px) {
    .about-me {
        display: grid;
        grid-template-columns: 1fr 200px;
        grid-template-areas: 
            "title img"
            "subtitle img"
            "txt 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% + 4em);
        padding-left: 1em;
        padding-right: calc(200px + 2em);
        padding-top: 0;
    }
    .about-me__image {
        grid-area: img;
        position:relative;
        z-index: 6;
    }
}
/* My Work */
.my-work {
    background-color: var(--clr-dark);
    color: var(--clr-light);
    text-align: center;
}
.portfolio {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));   
}
.portfolio__item {
    background-color: var(--clr-accent);
    overflow: hidden;
}
.portfolio__img {
    transition: 
    transform 750mms cubic-bezier(.5, 0, .5, 1),
    opacity 250ms linear;
    max-width: 600px;
}
.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-color: #161a1d;
    color: var(--clr-accent);
    text-align: center;
    padding: 2.5em 0;
    grid-column: 1/-1;
    grid-row: 1;
    font-size: var(--fs-body);

}
.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;
}


/* Portfolio item individual */
.portfolio-item-individual {
    padding: 0 2em 2em;
    margin: 0 auto;
    max-width: 1000px;
}
.portfolio-item-individual p {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}



/* Contact us */

/* Style inputs with type="text", select elements and textareas */
input[type=text], [type=email],select, textarea {
    width: 100%; /* Full width */
    padding: 12px; /* Some padding */ 
    border: 1px solid #ccc; /* Gray border */
    border-radius: 4px; /* Rounded borders */
    box-sizing: border-box; /* Make sure that padding and width stays in place */
    margin-top: 6px; /* Add a top margin */
    margin-bottom: 16px; /* Bottom margin */
    resize: vertical /* Allow the user to vertically resize the textarea (not horizontally) */
  }
  
  /* Style the submit button with a specific background color etc */
  input[type=submit] {
    background-color: var(--clr-accent);
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
  }
  
  /* When moving the mouse over the submit button, add a darker green color */
  input[type=submit]:hover {
    background-color: var(--clr-dark);
    columns: var(--clr-light);
  }
  
  /* Add a background color and some padding around the form */
  .container {
    border-radius: 5px;
    background-color: #f2f2f2;
    padding: 20px;
  }