/* =============================================================
   article.css
   Shared layout and typography for all article pages.
   Loaded alongside styles.css on every article page.
   Page-specific overrides remain in each page's <style> block.
   ============================================================= */

.article-container {
  max-width: 920px;
  margin: 0 auto;
  padding: 64px 20px;
}

/* ---- Headings ---- */
.article-container h1 {
  font-size: clamp(32px, 5vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  color: var(--text-main);
}

.article-container h2 {
  font-size: 26px;
  font-weight: 700;
  margin-top: 40px;
  margin-bottom: 14px;
  letter-spacing: -0.02em;
  color: var(--text-main);
}

.article-container h3 {
  font-size: 20px;
  font-weight: 600;
  margin-top: 28px;
  margin-bottom: 10px;
  color: var(--text-main);
}

/* ---- Body copy ---- */
.article-container p {
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-sub);
  margin-bottom: 16px;
}

.article-container ul,
.article-container ol {
  margin: 10px 0 20px 22px;
  color: var(--text-sub);
}

.article-container li {
  margin-bottom: 7px;
  line-height: 1.6;
}

.article-container a {
  color: var(--accent);
}

.article-container strong {
  color: var(--text-main);
  font-weight: 600;
}

/* ---- Hero image ---- */
.article-container img {
  width: 100%;
  height: auto;
  border-radius: 14px;
  border: 1px solid rgba(148, 163, 184, 0.2);
  margin: 12px 0 24px;
  display: block;
}

/* ---- Eyebrow label ---- */
.eyebrow {
  font-size: 13px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 600;
}

/* ---- Callout / pull quote ---- */
.callout {
  margin: 20px 0 28px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-soft);
  background: rgba(15, 23, 42, 0.95);
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-main);
}

/* ---- Code blocks ---- */
.article-container pre {
  background: #020617;
  padding: 18px 20px;
  border-radius: 12px;
  overflow-x: auto;
  font-size: 14px;
  color: #e5efff;
  margin: 20px 0;
  border: 1px solid rgba(51, 65, 85, 0.6);
}

/* ---- Tables ---- */
.article-container table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0 32px;
  font-size: 15px;
}

.article-container th,
.article-container td {
  border: 1px solid rgba(148, 163, 184, 0.25);
  padding: 12px 14px;
  vertical-align: top;
}

.article-container th {
  background: rgba(15, 23, 42, 0.85);
  font-weight: 600;
  text-align: left;
  color: var(--text-main);
}

.article-container td {
  background: rgba(15, 23, 42, 0.6);
  color: var(--text-sub);
}

/* ---- Divider ---- */
.divider {
  height: 1px;
  background: linear-gradient(
    to right,
    transparent,
    rgba(148, 163, 184, 0.3),
    transparent
  );
  margin: 48px 0;
}

/* ---- References section ---- */
.references {
  margin-top: 32px;
  font-size: 14px;
  color: var(--text-sub);
}

.references a {
  color: var(--accent);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .article-container {
    padding: 40px 16px;
  }

  .article-container h2 {
    font-size: 22px;
  }
}

/* ---- Article table ---- */
.article-table {
  width: 100%;
  border-collapse: collapse;
  margin: 32px 0;
  font-size: 15px;
}

.article-table th,
.article-table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
}

.article-table thead th {
  font-weight: 600;
  color: var(--text-main);
  background: rgba(255,255,255,0.04);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.article-table tbody tr:last-child td {
  border-bottom: none;
}

.article-table tbody td:first-child {
  color: var(--text-main);
}

/* ---- Article tags ---- */
.article-tags {
  margin-top: 40px;
  font-size: 13px;
  color: var(--text-sub);
  opacity: 0.7;
}

/* ---- Code blocks ---- */
.article-container pre {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 8px;
  padding: 20px 24px;
  overflow-x: auto;
  margin: 24px 0;
  font-size: 13px;
  line-height: 1.6;
}

.article-container code {
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", monospace;
  color: var(--text-main);
}