/* R E S E T */
*,
*::before,
*::after {
    padding: 0;
    margin: 0;
    border: 0;
    box-sizing: border-box;
}

html {
    -ms-text-size-adjust: 100%;
    -webkit-text-size-adjust: 100%;
}


/* Page structure */
#page-wrapper, #main-footer-wrapper {
    margin: auto;
}

#page-wrapper {
    max-width: 1200px;
}

.left {
    text-align: left;
}

.center {
    text-align: center;
}

.right {
    text-align: right;
}

header img, footer img {
    width: var(--spacing-7);
}

main img {width: 100%;
    margin: 0 0 var(--spacing-2) 0;
}


/* Responsive navigation */

.hamburger {
    display: none;
}

header nav ul {
    display: block;
}

@media (max-width: 600px) {
    .hamburger {
        display: block;
    }

    header nav ul {
        display: none;
    }
}

/* Type */
html {
    font-size: 18px;
}

body {
    font-family: 'Arial', Sans-Serif;
    font-size: 1em;
    line-height: 1.333;
}

p, main ul, main ol {
    margin-bottom: 1em;
}

main ul, main ol {
    margin-left: var(--spacing-6);
}

a {
    color: #000;
}

header li, footer li {
    list-style: none;
}
header li {
    display: inline;
}

header nav li {
    margin-left: var(--spacing-2);
}


/* Spacing scale */
:root {
    --spacing-base: 9px;
    --perfect-fourth: 1.33333333;
    /* Ratio for a perfect fourth */

    --spacing-1: var(--spacing-base);
    --spacing-2: calc(var(--spacing-1) * var(--perfect-fourth));
    --spacing-3: calc(var(--spacing-2) * var(--perfect-fourth));
    --spacing-4: calc(var(--spacing-3) * var(--perfect-fourth));
    --spacing-5: calc(var(--spacing-4) * var(--perfect-fourth));
    --spacing-6: calc(var(--spacing-5) * var(--perfect-fourth));
    --spacing-7: calc(var(--spacing-6) * var(--perfect-fourth));
    --spacing-8: calc(var(--spacing-7) * var(--perfect-fourth));
    --spacing-9: calc(var(--spacing-8) * var(--perfect-fourth));
    --spacing-10: calc(var(--spacing-9) * var(--perfect-fourth));
    --spacing-11: calc(var(--spacing-10) * var(--perfect-fourth));
    --spacing-12: calc(var(--spacing-11) * var(--perfect-fourth));
}

/* S T R U C T U R E */

main {margin-top: var(--spacing-1);
    margin-bottom: var(--spacing-1);}
   

header,
article,
section,
footer,
footer nav {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-1);
}

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

.item {
    background-color: #f0f0f0;
    padding: var(--spacing-2);
}

.col-span-all {
    grid-column: span 4;
}

.col-span-2 {
    grid-column: span 2;
}

.col-span-1 {
    grid-column: span 1;
}

.hamburger {margin-top: -12px;}

/* Media */

@media (max-width: 800px) {

    .col-span-2 {
        grid-column: span 2;
    }

    main .col-span-2 {
        grid-column: span 4;
    }

    .col-span-1 {
        grid-column: span 2;
    }
}

@media (max-width: 500px) {

    .col-span-2 {
        grid-column: span 4;
    }

    .col-span-1 {
        grid-column: span 4;
    }
}

/* A R T I C L E */

body.article #main-footer-wrapper {
    max-width: 850px;
}


@media (min-width: 700px) {
  body.article {font-size: 20px;}
}

/* H E R O */

body.hero header {
    background-image: url('../../theme/images/header.jpg');
    background-size: cover;
    background-position: center center;
    background-repeat: no-repeat;
    width: 100%;
    min-height: max(33vh, 160px);
    margin: auto;
}

body.hero header .item {
    background-color: inherit;
}

body.hero header button  {
    background-color: inherit;
}

/* L A N D I N G */

@media (min-width: 1000px) {
    body.landing {font-size: 20px;}
    }

    body.landing #main-footer-wrapper {
        max-width: 1100px;
    }
}

@media (max-width: 800px) {
    body.landing #main-footer-wrapper {
        max-width: 500px;
    }
}