.article_container {
    --ff-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
    --ff-head: var(--ff-body);

    --clr-bg: #fafbfc;
    --clr-surface: #ffffff;
    --clr-primary: #1e4fb1;
    --clr-primary-d: #163e91;
    --clr-border: #dfe3e8;
    --clr-text: #2d3643;
    --clr-muted: #6f7a8b;

    --radius: 8px;
    --shadow: 0 2px 4px rgba(0, 0, 0, .06);

    /* body styles */
    font: 400 15.5px/1.75 var(--ff-body);
    color: var(--clr-text);
    /* background: var(--clr-bg); */
    -webkit-font-smoothing: antialiased;
}

/* global reset */
.article_container *,
.article_container *::before,
.article_container *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* headings */
.article_container h1,
.article_container h2,
.article_container h3,
.article_container h4 {
    /* font-family: var(--ff-head); */
    font-weight: 500;
    line-height: 1.3;
    margin: 0 0 .25em;
    font-family: "National Park", sans-serif;
}

.article_container h1 {
    font-size: clamp(1.7rem, 3.5vw, 2.1rem);
}

.article_container h2 {
    font-size: clamp(1.35rem, 3vw, 1.6rem);
}

.article_container h3 {
    font-size: 1.2rem;
}

.article_container h4 {
    font-size: 1.05rem;
}

/* text elements */
.article_container p,
.article_container li {
    margin: .45em 0;
}

.article_container ul {
    padding-left: 1.15em;
    list-style-type: disc;
}

/* layout */
.article_container .container {
    max-width: 1000px;
    margin: 3rem auto;
    padding: 0 1.25rem;
}

@media screen and (max-width: 640px) {
    .article_container .container {
        padding: 8px;
    }
}

/* source bar */
.article_container .source-bar {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    align-items: center;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow);
    padding: .75rem 1rem;
    margin-bottom: 2rem;
    border-radius: var(--radius);
    font-size: .85rem;
    color: var(--clr-muted);
}

.article_container .source-bar a {
    color: var(--clr-primary);
}

.article_container .source-bar a:hover {
    text-decoration: underline;
}

/* article body */
.article_container .article-body {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem 2.25rem;
}

.article_container .article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius);
    margin: 1.25rem 0;
}

/* links & buttons */
.article_container a {
    color: var(--clr-primary);
    text-decoration: none;
}

.article_container a:hover {
    color: var(--clr-primary-d);
}

.article_container .button,
.article_container a.button,
.article_container .article-body a[target="_blank"] {
    display: inline-block;
    background: var(--clr-primary);
    color: #fff !important;
    padding: .5em 1.1em;
    border-radius: var(--radius);
    font-size: .88rem;
    transition: background .15s ease;
    box-shadow: 0 1px 3px rgba(0, 0, 0, .07);
}

.article_container .button:hover,
.article_container a.button:hover {
    background: var(--clr-primary-d);
}

.article_container a strong,
.article_container a span {
    color: #fff !important;
}

/* tables */
.article_container table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.6rem 0;
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow);
}

.article_container th,
.article_container td {
    padding: .7em 1em;
    border: 1px solid var(--clr-border);
    text-align: left;
}

.article_container th {
    background: #f3f5f7;
    font-weight: 500;
}

/* code blocks */
.article_container pre,
.article_container code {
    font-family: SFMono-Regular, Consolas, "Liberation Mono", Menlo, monospace;
    background: #f3f4f6;
    color: #bf1650;
    border-radius: var(--radius);
}

.article_container pre {
    padding: 1rem;
    overflow-x: auto;
}

/* responsive tweaks */
@media (max-width: 640px) {
    .article_container th,
    .article_container td {
        padding: 5px;
    }
    .article_container {
        font-size: 15px;
    }
    .article_container .article-body {
        padding: 1.25rem;
    }
}