:root {
    --color-text: #2f3744;
    --color-muted: #6b7280;
    --color-border: #d9e0ea;
    --color-surface: #f7f9fc;
    --color-accent: #12635f;
    --color-background: #ffffff;

}

html {
    font-family: ui-sans-serif, -apple-system, "system-ui", "Segoe UI Variable Display", "Segoe UI", Helvetica, "Apple Color Emoji", Arial, sans-serif, "Segoe UI Emoji", "Segoe UI Symbol";
    font-size: 16px;
    line-height: 2;
    font-weight: 350;
    tab-size: 4;
}

body {
    margin: 0;
    line-height: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: "";
    display: block;
    width: 100%;
    height: 0.35rem;
    background: linear-gradient(90deg, #12635f, #7c5b22, #405a84);
}

body>main {
    max-width: 40rem;
    width: 100%;
    padding-left: 2rem;
    padding-right: 2rem;
    box-sizing: border-box;
}

.site-header,
.site-footer {
    width: 100%;
    max-width: 40rem;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    gap: 1.5rem;
    padding: 1.5rem 2rem 0;
}

.site-header {
    align-items: center;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
    margin-top: 3rem;
    padding-bottom: 2.5rem;
}

.site-brand {
    font-weight: 700;
    text-decoration: none;
}

nav,
.site-footer {
    font-size: 0.9rem;
}

nav {
    display: flex;
    gap: 1rem;
}

nav a,
.site-footer a,
.section-heading a {
    color: var(--color-muted);
    text-decoration: none;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.25;
    margin-top: 1.5rem;
    letter-spacing: 0;
}

p {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

ul {
    padding-left: 1.5em;
    list-style-type: disc;
}

ul>li {
    padding-left: 0.25em;
    padding-top: 0.25em;
}

ul li::marker {
    color: #91a2be;
    transition: color 0.3s;
}

ul li:hover::marker {
    color: #405a84;
}

a {
    color: var(--color-text);
    font-weight: 500;
}

a:hover {
    color: #000;
}

pre {
    background: #18202b;
    border-radius: 8px;
    color: #f7f9fc;
    line-height: 1.55;
    overflow-x: auto;
    padding: 1rem;
}

pre code {
    color: inherit;
    font-size: 0.9rem;
}

:not(pre)>code {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    font-size: 0.9em;
    padding: 0.05rem 0.25rem;
}

article {
    margin-bottom: 3rem;
}

article>h1 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.home-intro {
    padding-top: 1rem;
}

.article-preview,
.articles-index {
    margin-top: 3rem;
}

.section-heading,
.page-heading {
    border-top: 1px solid var(--color-border);
    padding-top: 1.5rem;
}

.section-heading {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
}

.section-heading h2,
.page-heading h1 {
    margin: 0;
}

.page-heading p {
    color: var(--color-muted);
    line-height: 1.7;
}

.article-list {
    display: grid;
    gap: 1rem;
    margin-top: 1.25rem;
}

.article-card {
    border: 1px solid var(--color-border);
    border-radius: 8px;
    background: var(--color-surface);
    margin: 0;
    padding: 1rem 1.1rem;
}

.article-card time,
.article-header time {
    color: var(--color-muted);
    display: block;
    font-size: 0.85rem;
    line-height: 1.4;
    margin-bottom: 0.35rem;
}

.article-card h2,
.article-card h3 {
    font-size: 1.05rem;
    line-height: 1.35;
    margin: 0;
}

.article-card p {
    color: var(--color-muted);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 0;
}

.article-page {
    padding-top: 1rem;
}

.article-header {
    margin-bottom: -0.5rem;
}

.prose img {
    max-width: 100%;
}

@media (max-width: 36rem) {
    body>main,
    .site-header,
    .site-footer {
        padding-left: 1.25rem;
        padding-right: 1.25rem;
    }

    .site-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 0.35rem;
    }
}