/* Blog layout, shared by blog/index.html and article pages.
   Depends on portfolio.css for CSS variables and nav styles. */

.blog-header {
  padding: 140px 0 40px;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.blog-header h1 {
  font-size: 2.6rem;
  line-height: 1.15;
  color: var(--gray-900);
  margin-bottom: 12px;
}

.blog-header .blog-tagline {
  font-size: 1.15rem;
  color: var(--gray-600);
  max-width: 640px;
}

/* ---------- Listing ---------- */

.post-list {
  max-width: 760px;
  margin: 0 auto;
  padding: 40px 0 80px;
}

.post-card {
  display: block;
  padding: 28px 32px;
  margin-bottom: 24px;
  border: 1px solid var(--gray-200);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.2s ease, transform 0.2s ease;
  background: var(--white);
}

.post-card:hover {
  box-shadow: 0 8px 28px rgba(12, 25, 41, 0.10);
  transform: translateY(-2px);
}

.post-card.featured {
  border-color: var(--blue-400);
  border-width: 2px;
}

.post-card .post-meta {
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.post-card .post-meta .post-badge {
  display: inline-block;
  background: var(--blue-600);
  color: var(--white);
  border-radius: 4px;
  padding: 1px 8px;
  margin-right: 8px;
  letter-spacing: 0.04em;
}

.post-card h2 {
  font-size: 1.45rem;
  color: var(--gray-900);
  margin-bottom: 8px;
  line-height: 1.3;
}

.post-card p {
  color: var(--gray-600);
  font-size: 1rem;
  margin: 0;
}

.post-card .post-external {
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--blue-600);
}

/* ---------- Article ---------- */

.article {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 96px;
}

.article-header {
  padding: 140px 24px 24px;
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}

.article-header h1 {
  font-size: 2.5rem;
  line-height: 1.18;
  color: var(--gray-900);
  margin-bottom: 14px;
}

.article-header .article-subtitle {
  font-size: 1.2rem;
  color: var(--gray-600);
  font-style: italic;
}

.article-byline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 28px 0 8px;
}

.article-byline img {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  object-fit: cover;
}

.article-byline .byline-text {
  text-align: left;
  font-size: 0.95rem;
  color: var(--gray-700);
  line-height: 1.45;
}

.article-byline .byline-text strong {
  color: var(--gray-900);
}

.article-canonical {
  text-align: center;
  font-size: 0.85rem;
  color: var(--gray-500);
  margin-bottom: 36px;
}

.article-canonical a {
  color: var(--blue-600);
}

.article-banner {
  max-width: 860px;
  margin: 0 auto 48px;
  padding: 0 24px;
}

.article-banner img,
.article-banner video {
  width: 100%;
  border-radius: 12px;
  box-shadow: 0 12px 40px rgba(12, 25, 41, 0.14);
  display: block;
}

/* Reading typography: serif body, Inter headings */
.article p,
.article li {
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.14rem;
  line-height: 1.78;
  color: var(--gray-800);
  margin-bottom: 1.35em;
}

.article li {
  margin-bottom: 0.8em;
}

.article ul {
  padding-left: 1.4em;
  margin-bottom: 1.6em;
}

.article h2 {
  font-family: var(--font);
  font-size: 1.65rem;
  color: var(--gray-900);
  margin: 2.2em 0 0.7em;
  line-height: 1.3;
}

.article strong {
  color: var(--gray-900);
}

.article a {
  color: var(--blue-600);
}

.article .pull-quote {
  border-left: 4px solid var(--blue-600);
  background: var(--gray-50);
  border-radius: 0 10px 10px 0;
  margin: 2em 0;
  padding: 26px 32px;
  font-family: Georgia, 'Times New Roman', serif;
  font-size: 1.45rem;
  font-style: italic;
  line-height: 1.5;
  color: var(--blue-800);
}

.article figure {
  margin: 2.2em 0;
}

.article figure img,
.article figure video {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 8px 28px rgba(12, 25, 41, 0.12);
  display: block;
}

.article figcaption {
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--gray-500);
  text-align: center;
  margin-top: 12px;
}

.article .video-embed {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  margin: 2.2em 0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 10px 32px rgba(12, 25, 41, 0.14);
}

.article .video-embed iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.article .video-caption {
  font-family: var(--font);
  font-size: 0.9rem;
  color: var(--gray-500);
  text-align: center;
  margin-top: -1.4em;
  margin-bottom: 2.2em;
}

.article .article-signature {
  font-family: Georgia, 'Times New Roman', serif;
  font-style: italic;
  color: var(--gray-600);
  margin-top: 3em;
}

.article-footer-nav {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 24px 80px;
  display: flex;
  justify-content: space-between;
  font-size: 0.95rem;
}

.article-footer-nav a {
  color: var(--blue-600);
  text-decoration: none;
}

.article-footer-nav a:hover {
  text-decoration: underline;
}

@media (max-width: 640px) {
  .article-header h1 {
    font-size: 1.9rem;
  }
  .blog-header h1 {
    font-size: 2rem;
  }
  .article p,
  .article li {
    font-size: 1.06rem;
  }
  .article .pull-quote {
    font-size: 1.2rem;
    padding: 20px 22px;
  }
}