/* Deliberately its own stylesheet, not hdc-theme.css — see article.njk's
   comment. Serif headings, teal accent, warm paper background —
   visually distinct from the main portal's navy/orange, Quicksand-
   everywhere look. Same design tokens as the Astro/Next.js spikes'
   equivalent article layouts, for a consistent demo across all three. */
:root {
  --article-bg: #faf6ee;
  --article-ink: #26241f;
  --article-muted: #6b6558;
  --article-teal: #1d7c5e;
  --article-border: #e4dcc8;
}
@media (prefers-color-scheme: dark) {
  :root {
    --article-bg: #1b1912;
    --article-ink: #eee8d8;
    --article-muted: #b3ab95;
    --article-teal: #4dd6a8;
    --article-border: #37331f;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  background: var(--article-bg);
  color: var(--article-ink);
  font-family: "Quicksand", sans-serif;
  line-height: 1.7;
}
.article-env-ribbon {
  text-align: center;
  font-family: ui-monospace, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  padding: 0.3rem;
  background: var(--article-teal);
  color: var(--article-bg);
}
header.article-header {
  border-bottom: 1px solid var(--article-border);
  padding: 1.25rem 1.5rem;
}
.article-header__inner {
  max-width: 42rem;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
}
.article-header__brand {
  font-family: "Lora", serif;
  font-style: italic;
  font-weight: 500;
  font-size: 1.1rem;
  color: var(--article-teal);
  text-decoration: none;
}
.article-header__links {
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.article-header a.back {
  color: var(--article-muted);
  text-decoration: none;
  font-size: 0.9rem;
}
main.article-main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 5rem;
}
main.article-main h1 {
  font-family: "Lora", serif;
  font-weight: 600;
  font-size: 2.4rem;
  line-height: 1.2;
  color: var(--article-ink);
  text-wrap: balance;
  margin: 0 0 1.5rem;
}
main.article-main h2 {
  font-family: "Lora", serif;
  font-weight: 600;
  color: var(--article-teal);
  margin-top: 2.5rem;
}
main.article-main p {
  font-size: 1.05rem;
  max-width: 38rem;
}
main.article-main img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid var(--article-border);
  margin-top: 0.5rem;
}
main.article-main img + em {
  display: block;
}
main.article-main p:has(> img) {
  margin-bottom: 0.4rem;
}
main.article-main ul {
  padding-left: 1.25rem;
}
footer.article-footer {
  max-width: 42rem;
  margin: 0 auto;
  padding: 1.5rem;
  font-size: 0.85rem;
  color: var(--article-muted);
  border-top: 1px solid var(--article-border);
}