/* Ergo — Therefore. */
:root {
  --bg: #fafaf8;
  --bg-alt: #f0efed;
  --text: #1a1a1a;
  --text-secondary: #555;
  --text-tertiary: #888;
  --accent: #8b0000;
  --border: #d4d2cc;
  --border-light: #e8e6e2;
  --font-serif: 'Playfair Display', Georgia, 'Times New Roman', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
  --max-width: 720px;
  --wide-width: 960px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141413;
    --bg-alt: #1e1e1c;
    --text: #e8e6e2;
    --text-secondary: #aaa;
    --text-tertiary: #777;
    --accent: #c44;
    --border: #333;
    --border-light: #2a2a28;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* Header */
.site-header {
  border-bottom: 2px solid var(--text);
  padding: 1.5rem 2rem 1rem;
  text-align: center;
}

.site-header h1 {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin: 0;
}

.site-header h1 a {
  color: var(--text);
  text-decoration: none;
}

.site-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.05rem;
  color: var(--text-secondary);
  margin-top: 0.15rem;
}

.site-nav {
  margin-top: 0.75rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: center;
  gap: 2rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
}

.site-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}

.site-nav a:hover {
  color: var(--accent);
}

/* Homepage */
.homepage {
  max-width: var(--wide-width);
  margin: 0 auto;
  padding: 2.5rem 2rem;
}

.edition-line {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--text-tertiary);
  text-align: center;
  margin-bottom: 2rem;
}

.lead-article {
  border-bottom: 1px solid var(--border);
  padding-bottom: 2.5rem;
  margin-bottom: 2.5rem;
}

.lead-article .article-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.lead-article h2 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  line-height: 1.2;
  margin-bottom: 0.75rem;
  font-weight: 800;
}

.lead-article h2 a {
  color: var(--text);
  text-decoration: none;
}

.lead-article h2 a:hover {
  color: var(--accent);
}

.lead-article .article-deck {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 0.75rem;
  max-width: var(--max-width);
}

.article-meta {
  font-size: 0.78rem;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.article-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

@media (max-width: 640px) {
  .article-grid {
    grid-template-columns: 1fr;
  }
  .lead-article h2 { font-size: 1.6rem; }
  .site-header h1 { font-size: 2.2rem; }
}

.article-card {
  border-bottom: 1px solid var(--border-light);
  padding-bottom: 1.5rem;
}

.article-card .article-category {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.35rem;
}

.article-card h3 {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  line-height: 1.3;
  margin-bottom: 0.5rem;
  font-weight: 700;
}

.article-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.article-card h3 a:hover {
  color: var(--accent);
}

.article-card .article-deck {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: 0.5rem;
}

/* Article page */
.article-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

.article-page .article-category {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.article-page h1 {
  font-family: var(--font-serif);
  font-size: 2.6rem;
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

.article-page .article-deck {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.55;
  margin-bottom: 1rem;
}

.article-page .article-meta {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.article-body h2 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.article-body h3 {
  font-family: var(--font-sans);
  font-size: 1.05rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: 2rem;
  margin-bottom: 0.75rem;
  color: var(--text-secondary);
}

.article-body p {
  margin-bottom: 1.25rem;
}

.article-body blockquote {
  border-left: 3px solid var(--accent);
  padding: 0.5rem 1.25rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--text-secondary);
  background: var(--bg-alt);
}

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

.article-body a:hover {
  text-decoration-thickness: 2px;
}

/* Footnotes */
.footnotes {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}

.footnotes h2 {
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-tertiary);
  margin-bottom: 1rem;
}

.footnotes ol {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.6;
  padding-left: 1.5rem;
}

.footnotes li {
  margin-bottom: 0.6rem;
}

.footnotes a {
  color: var(--accent);
  text-decoration: underline;
  word-break: break-all;
}

sup a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.75em;
}

/* About page */
.about-page {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2.5rem 2rem 4rem;
}

.about-page h1 {
  font-family: var(--font-serif);
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
}

.about-page h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
}

.about-page p {
  margin-bottom: 1.25rem;
}

.about-page ul {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.about-page li {
  margin-bottom: 0.5rem;
}

.about-page .mission-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  padding: 1.5rem;
  margin: 2rem 0;
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 2rem;
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-tertiary);
}

.site-footer a {
  color: var(--text-tertiary);
  text-decoration: none;
}

.site-footer a:hover {
  color: var(--accent);
}

/* Data tables in articles */
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.9rem;
}

.article-body th {
  text-align: left;
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-tertiary);
  border-bottom: 2px solid var(--text);
  padding: 0.5rem 0.75rem;
}

.article-body td {
  border-bottom: 1px solid var(--border-light);
  padding: 0.5rem 0.75rem;
}

.article-body tr:hover td {
  background: var(--bg-alt);
}

/* Figures / pullquotes */
.pullquote {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  line-height: 1.4;
  font-style: italic;
  color: var(--text-secondary);
  border-top: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  padding: 1.25rem 0;
  margin: 2rem 0;
  text-align: center;
}