/* rzn-blog.css — Blog article pages */

.rzn-article-wrapper {
  max-width: var(--rzn-container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 4rem;
  padding-top: 3rem;
  padding-bottom: 4rem;
  align-items: flex-start;
}

.rzn-article-main { min-width: 0; }

.rzn-article-header {
  padding: clamp(2rem, 5vw, 4rem) 0 2rem;
  background: var(--rzn-bg-light);
  border-bottom: 1px solid var(--rzn-border);
}

.rzn-article-header__inner {
  max-width: var(--rzn-container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.rzn-article-header__tags {
  display: flex;
  gap: 0.375rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.rzn-article-header__meta {
  font-size: 0.875rem;
  color: var(--rzn-fg-mid);
  display: flex;
  gap: 1rem;
  align-items: center;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.rzn-article-header__h1 {
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  color: var(--rzn-navy);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.rzn-article-header__excerpt {
  font-size: 1.0625rem;
  color: var(--rzn-fg-mid);
  line-height: 1.72;
}

/* Article cover — S17b: natural sizing, no crop */
.rzn-blog-article__cover {
  width: 100%;
  height: auto;
  border-radius: var(--rzn-radius-md);
  margin-bottom: 2rem;
  display: block;
}

/* Article body text */
body.rzn-page--light-top .rzn-article-body h2 {
  font-size: 1.5rem;
  color: var(--rzn-navy);
  margin: 2rem 0 1rem;
}

body.rzn-page--light-top .rzn-article-body h3 {
  font-size: 1.2rem;
  color: var(--rzn-navy);
  margin: 1.5rem 0 0.75rem;
}

body.rzn-page--light-top .rzn-article-body p {
  font-size: 1.0rem;
  color: var(--rzn-fg-dark);
  line-height: 1.8;
  margin-bottom: 1.25em;
}

body.rzn-page--light-top .rzn-article-body ul,
body.rzn-page--light-top .rzn-article-body ol {
  margin-bottom: 1.25em;
  padding-left: 1.5rem;
  color: var(--rzn-fg-dark);
}

body.rzn-page--light-top .rzn-article-body li {
  font-size: 1rem;
  line-height: 1.75;
  margin-bottom: 0.4em;
}

body.rzn-page--light-top .rzn-article-body a {
  color: var(--rzn-amber-aa);
  text-decoration: underline;
}

body.rzn-page--light-top .rzn-article-body a:hover { color: var(--rzn-amber); }

body.rzn-page--light-top .rzn-article-body blockquote {
  border-left: 4px solid var(--rzn-amber);
  padding-left: 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--rzn-fg-mid);
}

body.rzn-page--light-top .rzn-article-body code {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.875em;
  background: var(--rzn-bg-light);
  padding: 0.15em 0.4em;
  border-radius: 3px;
  color: var(--rzn-navy);
}

/* Article sidebar */
.rzn-article-sidebar { position: sticky; top: calc(var(--rzn-nav-h) + 1.5rem); }

.rzn-sidebar-widget {
  background: var(--rzn-bg-light);
  border-radius: var(--rzn-radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.rzn-sidebar-widget__title {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--rzn-fg-mid);
  margin-bottom: 1rem;
}

.rzn-sidebar-toc {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.rzn-sidebar-toc a {
  font-size: 0.875rem;
  color: var(--rzn-fg-mid);
  text-decoration: none;
  transition: color 0.15s;
}

.rzn-sidebar-toc a:hover { color: var(--rzn-amber-aa); }

/* Related articles */
.rzn-related {
  background: var(--rzn-bg-light);
  padding: clamp(3rem, 5vw, 4rem) 0;
  border-top: 1px solid var(--rzn-border);
}

.rzn-related__inner {
  max-width: var(--rzn-container);
  margin: 0 auto;
  padding: 0 clamp(1rem, 4vw, 2rem);
}

.rzn-related__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--rzn-fg-dark);
  margin-bottom: 1.75rem;
}

.rzn-related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.rzn-related-card {
  background: var(--rzn-bg-white);
  border: 1px solid var(--rzn-border);
  border-radius: var(--rzn-radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  text-decoration: none;
  transition: box-shadow 0.2s;
}

.rzn-related-card:hover { box-shadow: var(--rzn-shadow-raised); }

.rzn-related-card__img-wrap {
  aspect-ratio: 16/9;
  overflow: hidden;
  background: var(--rzn-bg-light);
}

.rzn-related-card__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rzn-related-card__body {
  padding: 1rem;
  flex: 1;
}

.rzn-related-card__date {
  font-size: 0.8rem;
  color: var(--rzn-fg-mid);
  margin-bottom: 0.375rem;
}

.rzn-related-card__title {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--rzn-fg-dark);
  line-height: 1.4;
}

@media (max-width: 900px) {
  .rzn-article-wrapper {
    grid-template-columns: 1fr;
  }
  .rzn-article-sidebar { position: static; }
  .rzn-related-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .rzn-related-grid { grid-template-columns: 1fr; }
}