/* Normalize */

html,
body {
    border: 0;
    margin: 0;
    padding: 0;

    position: relative;

    font-size: 20px;
}

body {
    color: var(--fg-color);
    background-color: var(--bg-color);
    font-family: var(--text-font-family);
}


/* Fonts */
@font-face {
    font-family: "GT America";
    src: url("gt-america-std.woff2") format('woff2');
    font-weight: 400;
    font-style: normal;
    font-display: block;
}

@font-face {
    font-family: "GT America";
    src: url("gt-america-std-italic.woff2") format('woff2');
    font-style: italic;
    font-weight: 400;
    font-display: block;
}

@font-face {
    font-family: "GT America";
    src: url("gt-america-std-bold.woff2") format('woff2');
    font-style: normal;
    font-weight: 800;
    font-display: block;
}

@font-face {
    font-family: "Roslindale Deck";
    src: url("roslindale-deck.woff2") format('woff2');
    font-weight: 100 900;
    font-stretch: 1% 500%;
    font-width: 1% 500%;
    font-style: normal;
    font-display: block;
}


/* Theme variables */
:root {
    color-scheme: light;

    --fg-color: #282525;
    --bg-color: #fefefd;
    --accent-color: hsl(136, 79%, 28%);
    --secondary-fg-color: #747170;
    --secondary-bg-color: #edeceb;
    --secondary-accent-color: #b64962;
    --fg-color-transparent: #3b383700;
    --bg-color-transparent: #fefefd00;
    --accent-color-transparent: #810f2900;

    --heading-font-family: "Roslindale Deck", Georgia, 'Times New Roman', Times, serif;
    --text-font-family: "GT America", Helvetica, sans-serif;
    --line-height: 1.4142;
}


/* Page setup */

.container {
    width: 100%;
    min-height: 100vh;
    padding: 4rem;
    box-sizing: border-box;

    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

/* Text */

.single-col {
    max-width: 720px;
    box-sizing: content-box;
}

.text {
    padding: 0 2rem;
    margin: 2rem 2rem 0;
    font-size: 1rem;
    line-height: var(--line-height);
    hyphens: auto;
}

.text__p:first-of-type,
.text__p--no-margin-top {
    margin-top: 0;
}

.text__p:last-child,
.text__p--no-margin-bottom {
    margin: 0;
}

.text__p--link {
    color: inherit;
    text-decoration: none;
    text-decoration-thickness: from-font;
    text-decoration-color: var(--accent-color);

    transition: text-decoration 0.2s;
}

.text__p--link::after {
    content: "*";
    color: var(--accent-color);
}

.text__p--link:hover {
    text-decoration-line: underline;
}

.title__container {
    float: left;

    padding: 1rem 1.75rem;
    line-height: 1;
    /* 
    Adjust to top of container, move it down by the padding and 1 lines.
    I don't know why the line height is a couple pixels off.
    */
    transform: translateY(calc(-100% + 1rem + 2 * ((var(--line-height) * 1rem) - 2.5px)));
    min-width: 50%;
    box-sizing: border-box;
    text-align: right;
}

.title {
    font-family: var(--heading-font-family);
    font-size: 1.5rem;
    font-weight: 550;
    font-stretch: 70%;
    font-width: 70%;
    margin: 0;
    letter-spacing: -0.01rem;
}

.title__caption {
    line-height: var(--line-height);
    margin: 0;
    padding: 0;
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vh;
    height: 4rem;
    padding: 0 4rem;
    box-sizing: border-box;

    display: flex;
    flex-direction: row;
    justify-content: flex-end;
    align-items: baseline;
    gap: 1.5rem;

    transform: translateY(-100%) rotate(90deg);
    transform-origin: bottom left;
}

.nav__item {
    display: block;
    margin: 0;
    padding: 1rem 0.5rem;

    color: inherit;
    font-size: 0.8rem;
}

.nav__info {
    color: var(--secondary-fg-color);
}

.nav__link {
    font-family: "Roslindale Deck", Georgia, 'Times New Roman', Times, serif;
    font-weight: 600;

    text-decoration-line: underline;
    text-decoration-color: var(--fg-color-transparent);
    text-decoration-thickness: from-font;
    transition: text-decoration-color 0.1s;
}

.nav__link:hover {
    text-decoration-color: var(--fg-color);
}

.nav__link--ext::after {
    content: "*";
    color: var(--accent-color);
}

.nav__link--ext:hover {
    text-decoration-color: var(--accent-color);
}

.nav__back {
    padding-left: 2rem;
}

.nav__back::before {
    content: "\2190";
    margin-left: -2.8rem;
    margin-right: 0.5rem;
    display: inline-block;
}

.show {
    visibility: visible !important;
    transition: visibility 5s;
}


/* Adjustments for small screens */

@media (max-width: 600px) {
    .container {
        justify-content: flex-start;
        padding: 6rem 0 8rem;
    }

    .text--link {
        text-decoration-line: underline;
        text-decoration-color: var(--secondary-accent-color);
    }
}


/* Dark mode */

@media screen and (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;

        --fg-color: hsl(60, 2%, 80%);
        --bg-color: #181716;
        --accent-color: #40ff40;
        --secondary-fg-color: #908f8d;
        --secondary-bg-color: #2a2928;
        --secondary-accent-color: #874958;
        --fg-color-transparent: #afafab00;
        --bg-color-transparent: #18171600;
        --accent-color-transparent: #ff404000;
    }

    body {
        -webkit-font-smoothing: antialiased;
    }

    .text {
        letter-spacing: 0.005em;
        line-height: 1.5;
    }
}