/* ==========================================================================
   Article: blog post and use case detail pages (rich content)
   ========================================================================== */

.article { padding: clamp(40px, 6vw, 72px) var(--gutter) clamp(64px, 8vw, 104px); }
.article__col { max-width: 70ch; margin: 0 auto; font-size: 18px; line-height: 1.7; }
.article__back { font-size: 15px; font-weight: 500; text-decoration: none; }
.article__tags { margin: 28px 0 20px; }
.article h1 { font: 500 clamp(34px, 4.6vw, 52px)/1.12 var(--font-serif); letter-spacing: -0.01em; text-wrap: balance; }

.byline { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 24px; font-size: 15px; color: var(--muted); }
.byline__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--accent); color: var(--accent-ink);
  display: inline-flex; align-items: center; justify-content: center;
  font: 400 20px/1 var(--font-serif); padding-bottom: 2px;
}
.byline__name { color: var(--ink); font-weight: 500; }

.article__cover { max-width: 1000px; margin: 40px auto 0; }
.article__cover img { width: 100%; aspect-ratio: 2 / 1; object-fit: cover; border-radius: var(--radius); border: 1px solid var(--line); }

.article__body { margin-top: 48px; }

/* Table of contents */
.toc { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); padding: 18px 0 20px; margin: 0 0 40px; }
.toc .eyebrow { margin-bottom: 10px; }
.toc ol { padding-left: 22px; font-size: 16px; line-height: 1.9; }
.toc a { text-decoration: none; }

/* ---------- Prose (Markdown output) ---------- */
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 22px; }
.prose > p.lead { font: 400 21px/1.6 var(--font-serif); margin-bottom: 24px; }
.prose h2 { font: 500 30px/1.25 var(--font-serif); margin: 48px 0 16px; }
.prose h3 { font-size: 21px; font-weight: 600; line-height: 1.3; margin: 32px 0 12px; }
.prose h4 { font-size: 18px; font-weight: 600; margin: 24px 0 8px; }
.prose ul, .prose ol { margin: 0 0 24px; padding-left: 24px; }
.prose li { margin-bottom: 8px; }
.prose li > ul, .prose li > ol { margin: 8px 0 0; }
.prose strong { font-weight: 600; }
.prose hr { border: 0; border-top: 1px solid var(--line); margin: 40px 0; }

.prose :not(pre) > code {
  font: 400 .86em var(--font-mono);
  background: var(--surface2);
  padding: 2px 6px;
  border-radius: 4px;
}

.prose figure { margin: 32px 0; }
.prose figure img { width: 100%; border-radius: 8px; border: 1px solid var(--line); }
.prose figcaption, .figure-caption { margin-top: 10px; font-size: 14.5px; color: var(--muted); line-height: 1.5; }

.prose blockquote { margin: 40px 0; padding: 24px 0 0; border-top: 2px solid var(--bronze); }
.prose blockquote p { font: italic 400 26px/1.45 var(--font-serif); margin: 0; }
.prose blockquote p + p { margin-top: 12px; font: 400 15px var(--font-sans); color: var(--muted); }

/* Tables */
.table-wrap { overflow-x: auto; margin: 0 0 28px; border: 1px solid var(--line); border-radius: 8px; }
.table-wrap table { width: 100%; border-collapse: collapse; font-size: 15.5px; line-height: 1.5; min-width: 520px; }
.table-wrap th { background: var(--surface2); text-align: left; font-weight: 600; padding: 12px 16px; }
.table-wrap td { padding: 12px 16px; border-top: 1px solid var(--line); }

/* Video embeds */
.video { margin: 0 0 32px; }
.video__frame { position: relative; aspect-ratio: 16 / 9; border-radius: 8px; overflow: hidden; background: var(--code); }
.video__frame iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* Code blocks */
.code-block { margin: 0 0 28px; background: var(--code); border-radius: var(--radius); overflow: hidden; }
.code-block__head {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 14px 10px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.code-block__title { font: 400 13px var(--font-mono); color: #AEB4BC; }
.code-block__copy {
  height: 30px; padding: 0 12px;
  border-radius: 5px; border: 1px solid rgba(255, 255, 255, .18);
  background: transparent; color: #E6E1D8;
  font: 500 12.5px var(--font-mono);
  cursor: pointer;
}
.code-block__copy:hover { background: rgba(255, 255, 255, .08); }
.code-block pre { margin: 0; padding: 16px 0; overflow-x: auto; }
.code-block code { display: block; font: 400 14.5px/1.65 var(--font-mono); color: #E6E1D8; counter-reset: line; }
.code-line { display: block; white-space: pre; padding-right: 18px; }
.code-line::before {
  counter-increment: line;
  content: counter(line);
  display: inline-block;
  width: 44px;
  padding-right: 16px;
  text-align: right;
  color: #5C636D;
  user-select: none;
}
.tok-com { color: #8D939C; font-style: italic; }
.tok-str { color: #BFD48C; }
.tok-kw { color: #E5A87E; }
.tok-ty { color: #7CC7BF; }
.tok-num { color: #D7B8F3; }

/* End-of-article CTA */
.article-cta {
  margin-top: 56px; padding-top: 24px;
  border-top: 1px solid var(--line);
  display: flex; flex-wrap: wrap; gap: 16px;
  align-items: center; justify-content: space-between;
}
.article-cta span { font: 400 22px var(--font-serif); }

.article-cta--band {
  border: 0;
  padding: clamp(24px, 4vw, 40px);
  background: var(--accent); color: var(--accent-ink);
  border-radius: var(--radius);
  gap: 20px;
}
.article-cta--band span { font-size: 26px; line-height: 1.25; }

/* ---------- Use case specifics ---------- */
.case-disclaimer { margin-top: 18px; font: 400 13px var(--font-mono); color: var(--bronze-ink); }
.case-section { margin-top: 48px; }
.case-section:first-of-type { margin-top: 0; }
.case-section h2 { font: 500 30px/1.25 var(--font-serif); margin: 0 0 14px; }
.case-steps { padding-left: 24px; margin: 0 0 24px; }
.case-steps li { margin-bottom: 10px; }
.case-diagram { margin: 0 0 28px; }
.case-diagram .img-ph { aspect-ratio: 16 / 9; }
.case-diagram img { width: 100%; border-radius: 8px; border: 1px solid var(--line); }

.stack { display: flex; flex-wrap: wrap; gap: 8px; }
.stack span { font: 500 13px/1 var(--font-mono); padding: 9px 11px; border-radius: 5px; border: 1px solid var(--line); background: var(--surface); }

.outcomes { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 180px), 1fr)); gap: 16px; }
.outcome { border: 1px solid var(--line); border-radius: 8px; padding: 18px; display: flex; flex-direction: column; gap: 8px; background: var(--surface); }
.outcome--empty { border-style: dashed; border-color: var(--bronze); background: transparent; }
.outcome__value { font: 400 32px/1 var(--font-serif); color: var(--accent); }
.outcome--empty .outcome__value { color: var(--muted); }
.outcome__label { font-size: 15px; color: var(--muted); line-height: 1.5; }