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

/* Custom Properties */

:root {
    --ff-primary: 'Roboto', sans-serif;
    --ff-secondary: 'Roboto', sans-serif;
    --ff-tertiary: 'Cardo', serif;

    --fw-thin: 100;
    --fw-light: 300;
    --fw-med: 400;
    --fw-bold: 700;

    --clr-light: #fff;
    --clr-dark: #000;
    --clr-accent-1: #d11e36;

    --fs-h1: 1rem;
    --fs-nav: 1rem;
    --fs-body: 1rem;

    --lh-default: 1;
    --lh-p: 1.618rem;

    --lr-padding-small: 2rem;
    --lr-padding-large: 3rem;
}
/*
@media (min-width: 36em) {
    :root {
        --fs-nav: 1.3rem;
    }
}
*/

/* General Styles */

html {
    scroll-behavior: smooth;
}

body {
    background: var(--clr-light);
    color: var(--clr-dark);
    margin: 0;
    font-family: var(--ff-secondary);
    font-weight: var(--fw-light);
    font-size: var(--fs-body);
    line-height: var(--lh-default);
}



header {
    padding: 3rem var(--lr-padding-small);
}
footer {
    padding: 0 var(--lr-padding-small) 2rem;
}
section {
    padding: 0 var(--lr-padding-small) 4rem var(--lr-padding-small);
}

@media (min-width: 42em) {
    /* redefine for larger screens */
    header {
        padding: 3rem var(--lr-padding-large);
    }
    footer {
        padding: 0 var(--lr-padding-large) 3rem;
    }
    section {
        padding: 0 var(--lr-padding-large) 4rem var(--lr-padding-large);
    }
    header > div,
    footer > div,
    section > div {
        max-width: 60rem;
        margin: 0 auto;
    }
}



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


:focus {
    outline: 0.3056rem solid var(--clr-accent-1);
    outline-offset: 0.4944rem;
}


/* Typography */

h1,
h2,
h3,
h4 {
    font-family: var(--ff-primary);
    line-height: var(--lh-default);
    margin: 0;
    padding: 0;
    text-transform: uppercase;
    letter-spacing: 0.05rem;
}

h1 {
    font-size: var(--fs-h1);
}

p {
    margin: 1rem 0 0 0;
    padding: 0;
    line-height: var(--lh-p);
}

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





nav {
    color: var(--clr-dark);;
    vertical-align: bottom;
}

nav ul {
    list-style-type: none;
    padding: 0;
    margin: 0.618rem 0 0 0;
    display: flex;
    justify-content: space-between;
    width: 14rem;
    font-size: var(--fs-nav);
    letter-spacing: 0.05rem;
}

nav ul li {
    line-height: 1.618rem;
    padding: 0;
    margin: 0;
}

@media (min-width: 42em) {
    /* redefine for larger screens */
    nav {
        display: flex;
        justify-content: space-between;
    }
    nav ul {
        margin: 0;
    }
    nav ul li {
        line-height: var(--lh-default);
    }
}


#contact a,
nav a {
    text-decoration: none;
    font-weight: var(--fw-med);
    color: inherit;
    transition: color 150ms;
  }

#contact a:hover,
nav a:hover {
    color: var(--clr-accent-1);
}

.portfolio {
    display: grid;
    grid-gap: 3rem;
    grid-template-columns: repeat(auto-fit, minmax(18rem, 1fr));
}

.portfolio_item {
    overflow: hidden;
}

.portfolio_img {
    transition: opacity 100ms linear;
}

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

.portfolio_img:hover,
.portfolio_item:focus .portfolio_img {
    opacity: 0.8;
}

.art_img {
    margin: 0 0 1.618em 0;
}
.art_info {
    margin: 0;
}

.art_info ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

.art_info ul li {
    margin: 0;
    padding: 0;
    line-height: 1.618;
}

.title {
    font-weight: var(--fw-med);
}



.iframe_container {
    aspect-ratio: 1;
    max-width: 600px;
    overflow: hidden;
    position: relative;
}

.iframe_container iframe {
    border: 0;
    height: 100%;
    left: 0;
    position: absolute;
    top: 0;
    width: 100%;
}

@media (min-width: 1000px) {
    .art {
        display: flex;
        justify-content: flex-start;
    }
    .art_info {
        margin: 0 0 0 2em;
    }
    .art_img {
        min-width: 50%;
    }
    .iframe_container {
        flex-grow: 1;
    }
}

#bio p {
    max-width: 39em;
}