/* ---- fonts ---- */

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMonoVariable.woff2") format("woff2-variations");
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Tiempos Text";
    src: url("fonts/TiemposText-Regular.woff2") format("woff2");
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Tiempos Text";
    src: url("fonts/TiemposText-Italic.woff2") format("woff2");
    font-weight: 400;
    font-style: italic;
    font-display: swap;
}

@font-face {
    font-family: "Tiempos Text";
    src: url("fonts/TiemposText-Bold.woff2") format("woff2");
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: "Tiempos Text";
    src: url("fonts/TiemposText-BoldItalic.woff2") format("woff2");
    font-weight: 700;
    font-style: italic;
    font-display: swap;
}

/* ---- palette ----
   bg        #f7f5ef   bone / off-white
   ink       #4a3626   medium coffee brown
   heading   #3a2a1c   darker brown
   muted     #8f8471   dates, metadata
   accent    #8a4a26   chestnut brown links
   border    #e2ddd0   hairlines
   code bg   #eeebe0
*/

:root {
    --bg: #f7f5ef;
    --ink: #4a3626;
    --heading: #3a2a1c;
    --muted: #8f8471;
    --accent: #8a4a26;
    --border: #e2ddd0;
    --code-bg: #eeebe0;
    --serif: "Tiempos Text", Georgia, serif;
    --mono: "Berkeley Mono", "courier-std", monospace;
}

/* ---- base ---- */

body {
    font-family: var(--serif);
    margin: 0;
    padding: 0;
    background-color: var(--bg);
    color: var(--ink);
    line-height: 1.6;
}

.container {
    max-width: 640px;
    margin: 0 auto;
    padding: 60px 24px 80px;
}

h1, h2, h3 {
    font-family: var(--serif);
    color: var(--heading);
    font-weight: 400;
    line-height: 1.3;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

p {
    margin: 0 0 20px;
}

/* ---- shared components ---- */

.back-link {
    font-family: var(--serif);
    position: fixed;
    top: 20px;
    left: 20px;
    color: var(--ink);
    text-decoration: none;
}

.back-link:hover {
    text-decoration: underline;
}

.meta {
    font-family: var(--mono);
    font-size: 14px;
    color: var(--muted);
}

/* ---- code ---- */

pre {
    background-color: var(--code-bg);
    border: 1px solid var(--border);
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 20px 0;
}

code {
    font-family: var(--mono);
    font-size: 14px;
}

p code {
    background-color: var(--code-bg);
    padding: 2px 5px;
    border-radius: 3px;
}

img {
    max-width: 100%;
    height: auto;
}

table {
    width: 100%;
    table-layout: fixed;
    border-collapse: collapse;
    margin: 20px 0;
    font-size: 14px;
}

th, td {
    text-align: left;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
}

th {
    color: var(--heading);
}

@media (max-width: 767px) {
    .container {
        padding: 32px 18px 60px;
    }

    .back-link {
        position: relative;
        top: auto;
        left: auto;
        display: block;
        margin: 20px 18px 0;
    }
}