/* app/static/css/blogpost/articles.css */

/* ── Article listing (index) ── */

.articles-index {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.articles-index h1 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  text-align: left;
}

.articles-index .section-lead {
  color: var(--muted-text-color);
  margin-bottom: 2.5rem;
  text-align: left;
  font-size: 1.05rem;
}

.article-card {
  border-top: 1px solid var(--hover-bg-color);
  padding: 1.8rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-align: left;
  transition: opacity 0.2s;
}

.article-card:hover {
  opacity: 0.75;
}

.article-card a {
  text-decoration: none;
}

.article-card .article-meta {
  font-size: 0.82rem;
  color: var(--muted-text-color);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-align: left;
}

.article-card h2 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0.3rem 0 0.5rem;
  text-align: left;
  color: var(--main-text-color);
  line-height: 1.35;
}

.article-card .article-excerpt {
  font-size: 0.97rem;
  color: var(--muted-text-color);
  line-height: 1.65;
  text-align: left;
  margin: 0;
}

.article-card .read-more {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--hover-bg-color);
  text-align: left;
  margin-top: 0.4rem;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ── Single article ── */

.article-wrapper {
  max-width: 720px;
  margin: 0 auto;
  padding: 3rem 1.5rem 5rem;
}

.article-header {
  margin-bottom: 2.5rem;
  border-bottom: 1px solid var(--hover-bg-color);
  padding-bottom: 1.5rem;
  text-align: left;
}

.article-header .article-category {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--hover-bg-color);
  text-align: left;
  margin-bottom: 0.75rem;
}

.article-header h1 {
  font-size: 2.1rem;
  font-weight: 700;
  line-height: 1.25;
  text-align: left;
  margin-bottom: 0.8rem;
}

.article-header .article-subtitle {
  font-size: 1.1rem;
  color: var(--muted-text-color);
  line-height: 1.55;
  text-align: left;
  margin-bottom: 1rem;
}

.article-header .article-byline {
  font-size: 0.85rem;
  color: var(--muted-text-color);
  text-align: left;
}

/* ── Body copy ── */

.article-body {
  text-align: left;
}

.article-body p {
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.4rem;
  color: var(--main-text-color);
  text-align: left;
}

.article-body h2 {
  font-size: 1.3rem;
  font-weight: 700;
  margin: 2.5rem 0 0.9rem;
  text-align: left;
  color: var(--main-text-color);
}

.article-body blockquote {
  border-left: 3px solid var(--hover-bg-color);
  margin: 2rem 0;
  padding: 0.6rem 1.4rem;
  background-color: var(--sidebar-bg-color);
  transition: background-color 0.5s;
}

.article-body blockquote p {
  font-size: 1.08rem;
  font-style: italic;
  color: var(--main-text-color);
  margin: 0;
}

.article-body .data-callout {
  background-color: var(--sidebar-bg-color);
  border: 1px solid var(--hover-bg-color);
  border-radius: 8px;
  padding: 1.2rem 1.5rem;
  margin: 2rem 0;
  transition: background-color 0.5s;
}

.article-body .data-callout p {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.6;
}

.article-body .data-callout strong {
  color: var(--hover-bg-color);
}

.article-footer {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--hover-bg-color);
}

.article-footer .sources {
  font-size: 0.82rem;
  color: var(--muted-text-color);
  line-height: 1.7;
  text-align: left;
}

.article-footer .sources strong {
  color: var(--muted-text-color);
}

.article-footer .zenodo-link {
  display: inline-block;
  margin-top: 1rem;
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--hover-bg-color);
  border: 1.5px solid var(--hover-bg-color);
  border-radius: 20px;
  padding: 0.4rem 1rem;
  text-decoration: none;
  transition: background-color 0.3s, color 0.3s;
}

.article-footer .zenodo-link:hover {
  background-color: var(--hover-bg-color);
  color: var(--hover-text-color);
}

/* ── Responsive ── */

@media (max-width: 768px) {
  .article-header h1 {
    font-size: 1.6rem;
  }

  .article-wrapper,
  .articles-index {
    padding: 2rem 1rem 3rem;
  }
}