:root {
    --unit: 0.2rem;

    --small-screen-font-size: 0.9em;
    --large-screen-font-size: 1.1em;

    --max-width: 42rem;
    --margin-xlarge: calc(16 * var(--unit));
    --margin-large: calc(12 * var(--unit));
    --margin-medium: calc(8 * var(--unit));
    --margin-small: calc(6 * var(--unit));
    --margin-xsmall: calc(4 * var(--unit));

    --text-margin: 1.1em;

    --font-scale-1: 1.9rem;
    --font-scale-2: 1.4522rem;
    --font-scale-3: 1.2051rem;
    --font-scale-4: .7631rem;;
    --font-scale-none: 1rem;

    --color-light: #FDFDE6;
    --color-link-highlight: #FFFF8A;
    --color-shadow: rgba(0,0,0,0.1);
    
    --color-darkest: #000000;
    --color-darker: #0F380F;
    --color-dark: #306230;
    --color-accent: #71C700;
    --color-accent-50-opacity: rgba(113, 199, 0, 0.5);
    --color-accent-25-opacity: rgba(113, 199, 0, 0.25);

    --bg-halftone: url('/assets/images/bg-halftone.png');
}

* {
    box-sizing: border-box;
}

html {
    font-size: var(--small-screen-font-size);
    font-family: "Noto Sans", sans-serif;
    font-optical-sizing: auto;
    font-style: normal;
    font-variation-settings: "wdth" 100;
    color: var(--color-darker);
    line-height: 1.6;
}

@media only screen and (min-width: 799px) {
    html {
        font-size: var(--large-screen-font-size);
    }
}

html, body {
    margin: 0;
    height: 100%;
}

body {
    position: relative;
    background-color: var(--color-light);
    min-width: 320px;

    &:before, &:after {
        display: block;
        content: '';
        position: relative;
        width: 100%;
        height: calc(2*var(--unit));
        background-color: var(--color-accent-50-opacity);
        background-image: var(--bg-halftone);
        background-size: 4px 4px;
    }

    &:before {
        border-top: solid calc(2*var(--unit)) var(--color-darker);
        box-shadow: 0px calc(2*var(--unit)) 0px var(--color-accent-25-opacity);
        top: 0;
    }

    &:after {
        box-shadow: 0px calc(-2*var(--unit)) 0px var(--color-accent-25-opacity);
        border-bottom: solid calc(2*var(--unit)) var(--color-darker);
        bottom: 0;
    }
}

.page-post:after {
    display: none;
}

/*
    Typography and basic tags 
    ---------------------------------------------
*/

h1, h2, h3 {
    font-family: "Atma", system-ui;
    font-weight: 500;
    font-style: normal;
    margin-top: 1em;
    margin-bottom: 0;
    line-height: 1.4;
    color: var(--color-darkest);
}

h1 { 
    margin-top: 0;
    font-size: var(--font-scale-1);
    margin-bottom: 1em;
}

h2 { 
    font-size: var(--font-scale-2);
}

h3 { 
    font-size: var(--font-scale-3);
}

.small, small {
    font-size: var(--font-scale-4);
}

.large {
    font-size: var(--font-scale-3);
}

.accent {
    font-family: "Atma", system-ui;
    font-weight: 500;
    font-style: normal;
    margin-top: 1em;
    margin-bottom: 0;
    line-height: 1.4;
}

.accent:first-child {
    margin-top: 0;
}

p {
    margin-top: var(--text-margin);
    margin-bottom: var(--text-margin);
}

blockquote {
    position: relative;
    margin-top: var(--text-margin);
    margin-bottom: var(--text-margin);
    margin-left: var(--margin-medium);;
    margin-right: var(--margin-xsmall);
    padding-left: calc(2 * var(--unit));

    &:before {
        position: absolute;
        content: '';
        display: block;
        width: 4px;
        top: 0;
        bottom: 0;
        left: calc(-1 * var(--margin-xsmall));
        background: var(--color-accent);
        border-radius: 4px;
    }
}

strong {
    font-weight: 600;
}

a {
    color: var(--color-darker);
    text-decoration: underline;
    text-decoration-color: var(--color-accent-50-opacity);
    text-decoration-thickness: 0.1em;
    text-decoration-skip-ink: none;
    text-underline-offset: 0.1em;
    background-color: transparent;
    transition: text-decoration-color 0.2s, background-color 0.2s;
    border-radius: 0.2em;
}

a:hover {
    text-decoration-color: transparent;
    background-color: var(--color-accent-50-opacity);
}

img {
    vertical-align: middle;
    max-width: 100%;
}

ul, ol {
    padding-left: var(--margin-medium);
    margin-top: var(--text-margin);
    margin-bottom: var(--text-margin);
}

li {
    padding-left: calc(2 * var(--unit));
    margin-top: var(--text-margin);
    margin-bottom: var(--text-margin);
}

li::marker {
    color: var(--color-accent);
    font-weight: 600;
}

.centered {
    text-align: center;
}

/*
    Layout and components
    ---------------------------------------------
*/

.home {
    
}

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

/*
    Header and profile
    ---------------------------------------------
*/

.header {
    max-width: var(--max-width);
    width: 100%;
    margin-top: var(--margin-large);
    margin-bottom: var(--margin-large);
    display: flex;
    justify-content: center;
}

/* large screen styles */
@media only screen and (min-width: 799px) {
    .header--large-on-desktop {
        margin-top: var(--margin-xlarge);
        margin-bottom: var(--margin-xlarge);
    }

    .header--large-on-desktop .header-wrapper {
        padding-left: 0;
        padding-right: 0;
        gap: var(--margin-medium);
    }

    .header--large-on-desktop .profile {
        width: calc(27 * var(--unit));
        height: calc(27 * var(--unit));
    }

    .header--large-on-desktop .profile:after {
        top: calc(2 * var(--unit));
        left: calc(2 * var(--unit));
    }

    .header--large-on-desktop .profile img {
        border-width: 4px;
    }

    .header--large-on-desktop .wordmark {
        font-size: calc(27 * var(--unit));
    }
}

.header-wrapper {
    display: inline-flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    text-decoration: none;
    gap: calc(3 * var(--unit));
    padding-left: calc(2 * var(--unit));
    padding-right: calc(2 * var(--unit));
}

.profile {
    position: relative;
    display: inline-block;
    width: calc(13.5 * var(--unit));
    height: calc(13.5 * var(--unit));
    transform: rotate(-3deg);
}

.profile:after {
    display: block;
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    top: calc(1 * var(--unit));
    left: calc(1 * var(--unit));
    z-index: -1;
    background-color: var(--color-accent-50-opacity);
    background-image: var(--bg-halftone);
    background-size: 4px 4px;
    border-radius: 40%;
    box-shadow: calc(2*var(--unit)) calc(2*var(--unit)) 0px var(--color-accent-25-opacity);
}

.profile img {
    border: solid 2px var(--color-darkest);
    border-radius: 40%;
    width: 100%;
}

.wordmark {
    position: relative;
    top: 10%;
    display: inline-block;
    font-family: "Atma", system-ui;
    font-weight: 700;
    font-style: normal;
    font-size: calc(10 * var(--unit));
    letter-spacing: 0.05em;
    line-height: 1em;
    color: var(--color-darkest);
}

/*
    Container for content
    ---------------------------------------------
*/

.container {
    max-width: var(--max-width);
    margin-left: var(--margin-xsmall);
    margin-right: var(--margin-xsmall);
    margin-bottom: var(--margin-medium);
}

.container--card {
    border-radius: 6px;
    border-style: solid;
    border-width: 1px;
    border-color: var(--color-dark);
    background-color: var(--color-light);
    position: relative;
    padding: 0 var(--margin-medium) var(--margin-xsmall);
    margin-bottom: var(--margin-xlarge);
}

.container--card:after {
    display: block;
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    top: calc(2 * var(--unit));
    left: calc(2 * var(--unit));
    z-index: -1;
    border-radius: 6px;
    background-color: var(--color-accent-50-opacity);
    background-image: var(--bg-halftone);
    background-size: 4px 4px;
    box-shadow: calc(2*var(--unit)) calc(2*var(--unit)) 0px var(--color-accent-25-opacity);
}

/* large screen styles */
@media only screen and (min-width: 799px) {

}

/*
    List style for links
    ---------------------------------------------
*/

.link-list {
    list-style-type: none;
    padding-left: 0;
    margin-top: 0.85em;
    margin-bottom: 0;
}

.link-list li {
    position: relative;
    margin-bottom: 1em;
    padding-left: 0;
}

.link-list em {
    font-size: var(--font-scale-4);
}

.icon-list {
    list-style-type: none;
    padding-left: 0;
}

.icon-list li {
    display: inline-block;
    margin: 0;
    padding-left: 0;
    padding-right: var(--margin-xsmall);
}

.icon-list a {
    padding: calc(2 * var(--unit));
}

.icon-list img {
    width: calc(6 * var(--unit));
    height: calc(6 * var(--unit));
    vertical-align: text-top;
}

/*
    Footer
    ---------------------------------------------
*/

.footer {
    position: relative;
    background-color: var(--color-darker);
    color: var(--color-light);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: var(--margin-medium);
    padding-bottom: var(--margin-medium);

    &:before {
        display: block;
        content: '';
        position: absolute;
        top: calc(-2*var(--unit));
        width: 100%;
        height: calc(2*var(--unit));
        background-color: var(--color-accent-50-opacity);
        background-image: var(--bg-halftone);
        background-size: 4px 4px;
        box-shadow: 0px calc(-2*var(--unit)) 0px var(--color-accent-25-opacity);
    }
}

.footer a {
    color: var(--color-light);
}

/*
    Post styles
    ---------------------------------------------
*/

.post-header {
    text-align: center;
    margin-bottom: var(--margin-large);
}

.post-header h1 {
    margin-bottom: var(--margin-xsmall);
}

.post-footer {
    margin-top: var(--margin-medium);
    margin-bottom: var(--margin-medium);
}