/* 1. Document */
/* 2. Header */

/*----- 1. DOCUMENT -----*/

:root {
    font-family: 'Montserrat', sans-serif;
    line-height: 2em;
    --main-color: #373737;
    --main-color-100: #e1e1e1;
    --main-width: 1400px;
    color: var(--main-color);
    scroll-behavior: smooth;
}

html {
    scroll-behaviour: smooth;
}

body {
    margin: 0 auto;
    height: 250vh;
}

h1 {
    font-size: 2.3rem;
    font-weight: lighter;
    line-height: 3rem;
    padding: 4rem 30px 0 5px;
    margin: 0 0 20px 0;
    border-bottom: 1px solid var(--main-color);
    width: fit-content;
}

h2 {
    font-size: 1.5rem;
    margin: 0;
}

a {
    color: var(--main-color);
}

/*----- 2. SPLASH -----*/

.splash {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    overflow: hidden;
    animation-duration: 1.5s;
    animation-name: fade_in_kf;
    animation-timing-function: ease-in;
}

.splash_text {
    /*padding: 10vh 0;*/
}

.splash_title {
    font-size: 3rem;
    line-height: 4rem;
}

.splash_sub {
    margin-top: 20px;
    font-size: 1.3rem;
    max-width: 950px;
}

.splash_next {
    width: 100%;
    text-align: center;
}

.splash_arrow {
    animation-duration: 1s;
    animation-name: size_pulse_kf;
    animation-iteration-count: infinite;
    animation-direction: alternate;
    animation-timing-function: ease-in;
}

.splash_arrow img {
    width: 50px;
    padding: 20px;
    cursor: pointer;
}


/*----- 3. HEADER -----*/

nav {
    position: fixed;
    top: 0;
    width: 100vw;
    background-color: white;
    display: flex;
    justify-content: space-around;
    border-top: 3px solid var(--main-color);
    border-bottom: 1px solid var(--main-color-100);
    padding: 10px 0;
    font-weight: bold;
    z-index: 100;
    box-shadow: 0 0 12px rgba(0,0,0,0.05);
}

nav a {
    text-decoration: none;
}

header {
    max-width: var(--main-width);
    margin: 0 auto;
    padding-top: 10vh;
}

.header_title {
    font-size: 2rem;
    padding-top: 4rem;
}

.header_sub_title {
    margin-top: 20px;
}

.main_header {
    display: flex;
    justify-content: space-between;
    margin: 5px 0;
}

.header_info {
    display: flex;
    flex-direction: column;
    justify-content: center;
    margin: 5px 0;
}

/*----- 4. MAIN -----*/

.content {
    max-width: var(--main-width);
    margin: 0 auto;
    padding: 10vh 30px 0 30px;
    position: relative;
}

.skills {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    grid-gap: 10px;
}

.skill {
    border:5px solid var(--main-color);
    border-radius: 3px;
    padding: 20px;
}

.portfolio_heading {
    margin-bottom: 10px;
    padding: 10px 0;
}

.post {
    display: flex;
    justify-content: space-between;
    flex-direction: column;
    margin-bottom: 100px;
}

#about .post {
    margin-bottom: 10px;
}

.post_content:first-child {
    margin-bottom: 30px;
}

.post_content img {
    display: block;
    width: calc(100% - 20px);
    border: 10px solid var(--main-color);
    border-radius: 3px;
}

.text_content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.extra_info_content a {
    border-left: 1px solid var(--main-color);
    padding: 0 10px;
}

.extra_info_content a:first-child {
    border: none;
    padding-left: 0;
}


@media only screen and (min-width: 1200px) {
    .post {
        flex-direction: row;
    }
    .post:nth-child(odd) {
        flex-direction: row-reverse;
    }

    .post_content {
        width: 49%;
    }

    .post_content:first-child {
        margin-bottom: 0;
    }
    .content {
        padding-top: 0;
    }
    .main_header {
        margin-bottom: 10vh;
    }
}


@media only screen and (min-width: 1080px) {
    .skills {
        grid-template-columns: repeat(3, 1fr);
        padding-top: 0;
    }
}

.image_content {
    text-align: center;
}

.contact img {
    width: 50%;
    margin: 0 auto;
    border: none;
}
/*----- 5. FOOTER -----*/

footer.content {
    padding-bottom: 10px;
    padding-top: 0;
}

/* ----- 4. HELPERS ----- */

.hide_splash {
    height: 0;
}

.hidden {
    display: none;
}


/*----- 5. KEYFRAMES -----*/

@keyframes size_pulse_kf {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.1);
    }
}

@keyframes fade_in_kf {
    from { opacity: 0; }
    to   { opacity: 1; }
}