/* ============================================
   ARTICLE PAGE STYLES
   ============================================ */

/* --font-prose for long-form reading */
:root {
  --font-prose: 'Lora', 'Georgia', serif;
}

/* Article hero */
.article-hero {
  background: var(--color-navy);
  padding-top: calc(80px + clamp(var(--space-12), 8vw, var(--space-20)));
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-16));
}

.article-hero-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.article-back {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-navy-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
  width: fit-content;
}

.article-back:hover { color: var(--color-navy-text); }

.article-meta-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.article-hero-inner h1 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-navy-text);
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 16 ch;
}

.article-lede {
  font-size: var(--text-lg);
  color: var(--color-navy-muted);
  line-height: 1.65;
  max-width: 56ch;
}

/* Hero image */
.article-hero-image {
  position: relative;
  height: clamp(200px, 35vw, 480px);
  overflow: hidden;
}

.article-hero-img-bg {
  position: absolute;
  inset: 0;
}

/* Article layout — two-column with sidebar TOC */
.article-layout {
  display: grid;
  grid-template-columns: 200px 1fr;
  gap: clamp(var(--space-10), 5vw, var(--space-16));
  padding-top: clamp(var(--space-10), 5vw, var(--space-16));
  padding-bottom: clamp(var(--space-16), 8vw, var(--space-24));
  align-items: start;
}

/* TOC sidebar */
.article-toc {
  position: sticky;
  top: 100px;
}

.toc-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.toc-inner nav {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.toc-link {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-1) var(--space-3);
  border-left: 2px solid var(--color-divider);
  transition: all var(--transition-fast);
  text-decoration: none;
  line-height: 1.5;
}

.toc-link:hover,
.toc-link.active {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
}

/* Prose content */
.article-prose {
  max-width: 68ch;
}

.article-prose section {
  margin-bottom: clamp(var(--space-10), 5vw, var(--space-16));
}

.article-prose h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-5);
  margin-top: var(--space-10);
}

.article-prose h2:first-child { margin-top: 0; }

.article-prose h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  margin-top: var(--space-8);
}

.article-prose p {
  font-family: var(--font-prose);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  max-width: none;
}

.article-prose a {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--color-primary) 40%, transparent);
  text-underline-offset: 3px;
  transition: all var(--transition-fast);
}

.article-prose a:hover {
  color: var(--color-primary-hover);
  text-decoration-color: var(--color-primary-hover);
}

.article-prose blockquote {
  margin-block: var(--space-8);
  padding: var(--space-6) var(--space-8);
  border-left: 3px solid var(--color-primary);
  background: color-mix(in srgb, var(--color-primary) 5%, transparent);
  border-radius: 0;
}

.article-prose blockquote p {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text);
  margin: 0;
  line-height: 1.6;
}

.article-prose ul,
.article-prose ol {
  padding-left: var(--space-6);
  margin-bottom: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.article-prose li {
  font-family: var(--font-prose);
  font-size: clamp(1rem, 0.95rem + 0.2vw, 1.1rem);
  line-height: 1.7;
  color: var(--color-text);
  max-width: none;
}

/* Author card */
.author-card {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  padding: var(--space-7);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0;
  margin-top: clamp(var(--space-12), 6vw, var(--space-20));
}

.author-avatar {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  flex-shrink: 0;
}

.author-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.author-info strong {
  font-size: var(--text-base);
  color: var(--color-text);
}

.author-info .label {
  line-height: 1.6;
}

.author-info a {
  color: var(--color-primary);
  text-decoration: none;
}

@media (max-width: 768px) {
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-toc { display: none; }
}