/* Blog & article pages — inherits iOS system fonts from styles.css */

.blog-hero h1 {
  letter-spacing: -0.025em;
}

.blog-section-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.blog-hero {
  padding: 3.5rem 0 2.5rem;
  background:
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(15, 76, 92, 0.08), transparent),
    var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.blog-hero h1 {
  font-size: clamp(2rem, 4vw, 2.8rem);
  margin-bottom: 0.75rem;
}

.blog-hero p {
  margin: 0;
  color: var(--color-ink-muted);
  max-width: 58ch;
  font-size: 1.05rem;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  font-size: 0.85rem;
  color: var(--color-ink-faint);
}

.breadcrumbs a {
  color: var(--color-primary);
}

.breadcrumbs a:hover { text-decoration: underline; }

.breadcrumbs [aria-current="page"] {
  color: var(--color-ink-muted);
}

/* Blog grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
  padding: 3rem 0 4rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.blog-card-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 1.35rem 1.35rem 1.5rem;
}

.blog-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
  font-size: 0.78rem;
}

.blog-tag {
  padding: 0.2rem 0.55rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-primary);
  background: var(--color-primary-light);
  border-radius: 99px;
}

.blog-date { color: var(--color-ink-faint); }

.blog-card h2 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
  line-height: 1.35;
}

.blog-card h2 a:hover { color: var(--color-primary); }

.blog-card p {
  margin: 0 0 1rem;
  font-size: 0.92rem;
  color: var(--color-ink-muted);
  flex: 1;
}

.blog-card-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* Article layout */
.article-page {
  padding: 2.5rem 0 4rem;
}

.article-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 3rem;
  align-items: start;
}

.article-sidebar {
  position: sticky;
  top: calc(var(--header-h) + 24px);
}

.article-toc {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
}

.article-toc h2 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-ink-faint);
  margin-bottom: 0.75rem;
}

.article-toc ol {
  margin: 0;
  padding-left: 1.1rem;
  font-size: 0.88rem;
}

.article-toc li { margin-bottom: 0.4rem; }
.article-toc a { color: var(--color-ink-muted); }
.article-toc a:hover { color: var(--color-primary); }

/* Article content */
.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.75rem;
  border-bottom: 1px solid var(--color-border);
}

.article-header h1 {
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  margin-bottom: 1rem;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  font-size: 0.88rem;
  color: var(--color-ink-faint);
}

.article-content {
  max-width: 68ch;
  font-size: 1.05rem;
  line-height: 1.75;
}

.article-content h2 {
  font-size: 1.45rem;
  margin: 2.5rem 0 0.85rem;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.article-content h3 {
  font-size: 1.15rem;
  margin: 1.75rem 0 0.6rem;
  scroll-margin-top: calc(var(--header-h) + 20px);
}

.article-content p { margin: 0 0 1.1rem; }

.article-content ul,
.article-content ol {
  margin: 0 0 1.25rem;
  padding-left: 1.4rem;
}

.article-content li { margin-bottom: 0.4rem; }

.article-content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.25rem 0 1.5rem;
  font-size: 0.95rem;
}

.article-content th,
.article-content td {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--color-border);
  text-align: left;
}

.article-content th {
  background: var(--color-bg-alt);
  font-weight: 600;
}

/* Key takeaways — agent & reader friendly summary */
.key-takeaways {
  padding: 1.25rem 1.5rem;
  margin-bottom: 2rem;
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.key-takeaways h2 {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin: 0 0 0.75rem;
}

.key-takeaways ul {
  margin: 0;
  padding-left: 1.2rem;
  font-size: 0.95rem;
}

.key-takeaways li { margin-bottom: 0.35rem; }

/* Article FAQ */
.article-faq {
  margin-top: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.article-faq h2 { margin-top: 0; }

/* Related & CTA */
.related-articles {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-articles h2 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.related-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.related-list a {
  font-weight: 500;
  color: var(--color-primary);
}

.article-cta {
  margin-top: 2.5rem;
  padding: 1.75rem;
  background: linear-gradient(135deg, var(--color-primary), #0a484e);
  border-radius: var(--radius-md);
  color: #fff;
  text-align: center;
}

.article-cta h2 {
  font-size: 1.35rem;
  color: #fff;
  margin-bottom: 0.5rem;
}

.article-cta p {
  margin: 0 0 1.25rem;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
}

/* Homepage blog preview */
.blog-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

a.blog-preview-card {
  display: block;
  color: inherit;
  text-decoration: none;
}

.blog-preview-card {
  padding: 1.25rem;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition), transform var(--transition);
}

.blog-preview-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
}

.blog-preview-card h3 {
  font-size: 1rem;
  margin: 0.5rem 0;
}

.blog-preview-card p {
  margin: 0;
  font-size: 0.88rem;
  color: var(--color-ink-muted);
}

.site-nav a.nav-active {
  color: var(--color-primary);
  font-weight: 600;
}

@media (max-width: 900px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { position: static; }
  .blog-preview-grid { grid-template-columns: 1fr; }
}