/* ============================================================
   BLOG (NOTES) PAGES - blog.css
   Requires: styles.css (design tokens, layout, buttons, nav, footer)
   Linked only on /blog/ pages.
   ============================================================ */

/* .page-header styles live in styles.css */

/* ============================================================
   INDEX: ARTICLE LIST
   ============================================================ */
.blog-section {
  padding-block: var(--space-8) var(--space-16);
}

.blog-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  max-width: 860px;
  margin-inline: auto;
}

/* ============================================================
   INDEX: ARTICLE CARD (mirrors .ep-card in episodes.css)
   ============================================================ */
.blog-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base);
}

.blog-card:hover {
  box-shadow: var(--shadow-md);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-2);
}

.blog-card__date,
.blog-card__readtime {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.blog-card__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: -0.01em;
  margin-bottom: var(--space-2);
}

.blog-card__title a {
  color: var(--color-ink);
  text-decoration: none;
}

.blog-card__title a:hover,
.blog-card__title a:focus-visible {
  color: var(--color-blue);
  text-decoration: underline;
}

.blog-card__excerpt {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-3);
}

.blog-card__more {
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-blue);
  text-decoration: none;
}

.blog-card__more:hover,
.blog-card__more:focus-visible {
  text-decoration: underline;
}

/* ============================================================
   ARTICLE: BREADCRUMB
   ============================================================ */
.breadcrumb {
  padding-block: var(--space-6) 0;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-ink-faint);
}

.breadcrumb a {
  color: var(--color-ink-muted);
  text-decoration: none;
}

.breadcrumb a:hover,
.breadcrumb a:focus-visible {
  color: var(--color-blue);
  text-decoration: underline;
}

.breadcrumb [aria-current="page"] {
  color: var(--color-ink);
  font-weight: var(--weight-medium);
}

/* ============================================================
   ARTICLE: HEADER AND BYLINE
   ============================================================ */
.article-header {
  padding-block: var(--space-10) var(--space-8);
}

.article-header .page-header__title {
  margin-bottom: var(--space-3);
}

.article-header .page-header__title a {
  color: inherit;
  text-decoration: none;
}

.article-header .page-header__title a:hover,
.article-header .page-header__title a:focus-visible {
  color: var(--color-blue);
  text-decoration: underline;
}

.article-byline {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.article-byline__sep {
  color: var(--color-ink-faint);
}

.article-byline__author {
  font-weight: var(--weight-medium);
  color: var(--color-ink);
}

/* ============================================================
   ARTICLE: PROSE
   ============================================================ */
.article-body {
  padding-block: 0 var(--space-16);
}

.article-prose {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-6);
}

.article-prose h2 {
  font-size: var(--text-2xl);
  font-weight: var(--weight-bold);
  line-height: var(--leading-snug);
  letter-spacing: -0.01em;
  color: var(--color-ink);
  margin: var(--space-10) 0 var(--space-4);
}

.article-prose p {
  font-size: var(--text-lg);
  line-height: var(--leading-loose);
  color: var(--color-ink);
  margin: 0 0 var(--space-5);
}

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

.article-prose a:hover,
.article-prose a:focus-visible {
  color: var(--color-blue-dark);
}

.article-signoff {
  margin-top: var(--space-8);
  color: var(--color-ink-muted);
}

/* ============================================================
   ARTICLE: CLOSING CTA
   ============================================================ */
.article-cta {
  max-width: var(--container-prose);
  margin: var(--space-10) var(--space-6) 0;
  padding: var(--space-8) var(--space-6);
  background: var(--color-teal-faint);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  text-align: center;
}

/* Centre the CTA once the viewport is wider than the prose column */
@media (min-width: 748px) {
  .article-cta {
    margin-inline: auto;
  }
}

.article-cta__title {
  font-size: var(--text-xl);
  font-weight: var(--weight-bold);
  color: var(--color-ink);
  margin-bottom: var(--space-3);
}

.article-cta__text {
  font-size: var(--text-base);
  line-height: var(--leading-loose);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-5);
}

.article-cta__actions {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 640px) {
  .blog-card {
    padding: var(--space-5);
  }
}