/* ============================================================
   layout.css — Containers, grids, page-specific layouts
   ============================================================ */

/* Site container */
.site-container {
  max-width: var(--max-width-site);
  margin: 0 auto;
  padding: 0 28px;
}

/* Section spacing */
.section {
  margin-bottom: 64px;
}

.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
}

/* Date-group header inside sections */
.date-group {
  margin-bottom: 32px;
}

.date-group-title {
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border-subtle);
}

/* Card grid — auto-fill 2-4 columns */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-min-width), 1fr));
  gap: 16px;
}

/* ============================================================
   Reading layout — article page
   ============================================================ */

.reading-layout {
  max-width: var(--max-width-reading);
  margin: 0 auto;
  padding: 48px 24px 72px;
}

.reading-layout h1 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 40px);
  font-weight: 500;
  line-height: 1.1;
  margin-bottom: 10px;
}

.reading-layout h2 {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  margin: 40px 0 14px;
  color: var(--text-primary);
}

.article-subtitle {
  font-size: 18px;
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.35;
  font-family: "Economist101";
}

.reading-layout p {
  font-family: var(--font-body);
  font-size: 18px;
  line-height: 1.75;
  color: var(--article-body);
  margin-bottom: 1.4em;
  text-align: justify;
}

/* Article head image — full width */
.reading-layout img.article-image-inline {
  display: block;
  width: 100%;
  border-radius: var(--radius-md);
  margin: 32px 0;
}

/* Inline images — float left/right on desktop, block on mobile */
@media (min-width: 769px) {
  .article-float-left {
    float: left;
    width: 48%;
    margin: 12px 22px 16px 0;
    border-radius: var(--radius-sm);
    clear: left;
  }

  .article-float-right {
    float: right;
    width: 48%;
    margin: 12px 0 16px 22px;
    border-radius: var(--radius-sm);
    clear: right;
  }
}

@media (max-width: 768px) {
  .article-float-left,
  .article-float-right {
    float: none;
    display: block;
    width: 75%;
    max-width: 100%;
    margin: 24px auto;
    border-radius: var(--radius-sm);
  }
}

.reading-layout blockquote {
  border-left: 3px solid var(--accent-red);
  padding-left: 18px;
  margin: 28px 0;
  font-style: italic;
  color: var(--text-secondary);
}

.reading-layout hr {
  border: none;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: 40px 0;
}

/* Article header */
.article-header {
  margin-bottom: 28px;
}

.article-section-tag {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-red);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 36px;
}

.article-date {
  font-size: 13px;
  color: var(--text-tertiary);
}

/* ============================================================
   Issues page — year grouping
   ============================================================ */

.year-group {
  margin-bottom: 56px;
}

.year-heading {
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.year-subtitle {
  font-size: 13px;
  color: var(--text-tertiary);
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Issue detail page */
.issue-detail-header {
  margin-bottom: 40px;
}

.issue-detail-cover {
  width: 100%;
  max-width: 240px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 24px;
  box-shadow: var(--shadow-card);
}

.issue-article-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.issue-article-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.issue-article-item:hover {
  color: var(--text-primary);
}

.issue-article-item-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--article-body);
  flex: 1;
}

.issue-article-item-section {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-tertiary);
  margin-left: 16px;
  white-space: nowrap;
}

/* Issue section grouping */
.issue-section-group {
  margin-bottom: 32px;
}

.issue-section-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border-subtle);
}

/* Back link */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  margin-bottom: 28px;
}

.back-link:hover {
  color: var(--text-primary);
}

/* ============================================================
   Responsive
   ============================================================ */

@media (max-width: 1024px) {
  :root {
    --card-min-width: 200px;
    --max-width-reading: 640px;
  }

  .site-container {
    padding: 0 20px;
  }

  .section-title {
    font-size: 12px;
  }

  .year-heading {
    font-size: 36px;
  }
}

@media (max-width: 768px) {
  :root {
    --card-min-width: 160px;
    --max-width-reading: 100%;
  }

  .site-container {
    padding: 0 16px;
  }

  .card-grid {
    gap: 12px;
  }

  .section {
    margin-bottom: 44px;
  }

  .reading-layout {
    padding: 36px 16px 56px;
  }

  .reading-layout p {
    font-size: 16px;
  }

  .reading-layout h1 {
    font-size: 24px;
  }

  .year-heading {
    font-size: 30px;
  }

  .issue-detail-cover {
    max-width: 180px;
  }

  .issue-article-item {
    flex-direction: column;
    gap: 4px;
  }

  .issue-article-item-section {
    margin-left: 0;
  }
}

@media (max-width: 480px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}