/* ==========================================================
   CausifyMarket — blog index & article pages
   ========================================================== */

.article { max-width: 740px; margin: 0 auto; padding: clamp(48px, 9vh, 104px) 20px 88px; }
.article .crumb a { color: var(--ink); }
.article h1 {
  margin: 0;
  font-weight: 800;
  font-size: clamp(2.1rem, 5.6vw, 3.6rem);
  letter-spacing: -0.045em;
  line-height: 1;
}
.article .standfirst { font-family: var(--serif); font-size: clamp(1.15rem, 2.2vw, 1.4rem); line-height: 1.5; margin: 1.5rem 0 0; }
.byline {
  display: flex; flex-wrap: wrap; gap: 6px 18px;
  font-size: 0.8rem;
  margin: 1.75rem 0 0;
  padding: 12px 0;
  border-block: 1px solid var(--faint);
}
.byline span:not(:first-child) { opacity: 0.62; }

.article-body { margin-top: 2.5rem; }
.article-body p, .article-body li { font-family: var(--serif); font-size: 1.14rem; line-height: 1.75; }
.article-body p { margin: 0 0 1.25em; }
.article-body h2 {
  margin: 2.6em 0 0.8em;
  font-size: clamp(1.35rem, 2.8vw, 1.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  border-top: 1.5px solid var(--ink);
  padding-top: 14px;
}
.article-body ul, .article-body ol { padding-left: 1.3em; margin: 0 0 1.25em; }
.article-body li { margin-bottom: 0.4em; }
.article-body a { color: var(--ink); text-underline-offset: 3px; }
.article-body a:hover { background: var(--ink); color: var(--bg); text-decoration: none; }
.article-body strong { font-weight: 600; }
.article-body blockquote {
  margin: 1.8em 0;
  padding: 4px 0 4px 20px;
  border-left: 3px solid var(--ink);
  font-family: var(--serif);
  font-size: 1.3rem;
  line-height: 1.5;
  font-style: italic;
}

/* Cause → effect chain */
.chain {
  list-style: none; margin: 1.8em 0; padding: 0;
  display: flex; flex-wrap: wrap; align-items: stretch; gap: 0;
  border: 1.5px solid var(--ink);
}
.chain li { flex: 1 1 150px; padding: 12px 14px; font-size: 0.85rem; line-height: 1.4; position: relative; }
.chain li + li { border-left: 1.5px solid var(--ink); }
.chain li small { display: block; font-size: 0.72rem; opacity: 0.62; margin-bottom: 4px; }
.chain li + li::before {
  content: "→"; position: absolute; left: -0.6em; top: 12px;
  background: var(--bg); line-height: 1; padding: 2px 0;
}

/* Worked example box */
.example { border: 1.5px dashed var(--ink); padding: 18px 20px; margin: 1.8em 0; }
.example .label { display: inline-block; font-size: 0.75rem; background: var(--ink); color: var(--bg); padding: 2px 8px; margin-bottom: 12px; }
.example p { font-size: 1.02rem !important; margin-bottom: 0.7em !important; }
.example p:last-child { margin-bottom: 0 !important; }
.example b { font-family: var(--mono); font-size: 0.85rem; }

.article-end { margin-top: 3.5rem; border-top: 1.5px solid var(--ink); padding-top: 18px; display: grid; gap: 18px; }
.article-end .note { font-size: 0.8rem; opacity: 0.62; margin: 0; line-height: 1.6; }
.next { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; }
.next a { font-size: 0.85rem; color: var(--ink); border: 1px solid var(--ink); padding: 8px 12px; text-decoration: none; }
.next a:hover, .next a:focus-visible { background: var(--ink); color: var(--bg); outline: none; }

/* Blog index */
.posts { list-style: none; margin: 0; padding: 0; border-top: 1.5px solid var(--ink); }
.post a {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr) auto;
  gap: 6px 28px;
  align-items: baseline;
  padding: 26px 0;
  border-bottom: 1px solid var(--faint);
  color: var(--ink);
  text-decoration: none;
}
.post .date { font-size: 0.8rem; opacity: 0.62; }
.post h2 { margin: 0; font-size: clamp(1.3rem, 2.8vw, 1.8rem); font-weight: 800; letter-spacing: -0.03em; line-height: 1.1; }
.post p { grid-column: 2; margin: 8px 0 0; font-family: var(--serif); font-size: 1.05rem; line-height: 1.55; max-width: 60ch; }
.post .go { font-size: 0.85rem; white-space: nowrap; transition: transform 160ms ease; }
.post a:hover h2, .post a:focus-visible h2 { text-decoration: underline; text-underline-offset: 5px; }
.post a:hover .go { transform: translateX(4px); }
.post a:focus-visible { outline: 2px solid var(--ink); outline-offset: 4px; }

@media (max-width: 640px) {
  .post a { grid-template-columns: 1fr; }
  .post p { grid-column: 1; }
  .post .go { display: none; }
}