/* Insights — blog index + long-form article pages.
   Pairs with /styles.css, which supplies the shared header, footer, buttons,
   section-head, and eyebrow. Voice: calm, capable, exact, useful. */

.insights-page { background: var(--paper); }
.insights-page section { padding: clamp(34px, 5vw, 60px) 0; }
.insights-page .alt { background: var(--ivory); }

/* ---- Index intro ---- */
.insights-page .page-intro { padding: clamp(48px, 7vw, 84px) 0 clamp(10px, 2vw, 18px); }
.insights-page .page-intro h1 { font-size: clamp(2rem, 4.4vw, 2.9rem); line-height: 1.12; }
.insights-page .page-intro .lead {
  max-width: 62ch; margin-top: 1rem; font-size: clamp(1.05rem, 2vw, 1.22rem);
  line-height: 1.55; color: #41454b;
}

/* ---- Article list ---- */
.post-list { display: grid; gap: clamp(1.1rem, 2.5vw, 1.6rem); max-width: 900px; }
.post-card {
  border: 1px solid var(--line-strong); border-radius: 14px; background: var(--paper);
  padding: clamp(1.5rem, 3.5vw, 2.4rem); transition: border-color .2s, transform .2s, box-shadow .2s;
}
.post-card:hover { border-color: var(--navy); transform: translateY(-2px); box-shadow: 0 12px 30px -18px rgba(21,35,62,0.35); }
.post-card .post-meta { font-family: var(--sans); font-size: .8rem; letter-spacing: .04em; color: var(--slate); margin: 0 0 .6rem; text-transform: uppercase; }
.post-card h2 { font-size: clamp(1.35rem, 2.6vw, 1.8rem); line-height: 1.18; margin: 0 0 .6rem; }
.post-card h2 a { color: var(--navy); }
.post-card:hover h2 a { color: var(--brass-deep); }
.post-card p { color: #41454b; line-height: 1.6; margin: 0 0 1rem; max-width: 66ch; }
.post-card .read-more { font-weight: 600; font-size: .92rem; color: var(--brass-deep); display: inline-flex; align-items: center; gap: .4rem; }
.post-card .read-more::after { content: "\2192"; transition: transform .2s; }
.post-card:hover .read-more::after { transform: translateX(3px); }

/* ---- Article page ---- */
.article { max-width: 760px; margin: 0 auto; padding: clamp(40px, 6vw, 72px) 0 clamp(28px, 4vw, 52px); }
.article-back { font-size: .85rem; color: var(--slate); font-weight: 600; letter-spacing: .02em; }
.article-back:hover { color: var(--navy); }
.article-header { margin: 1.4rem 0 2rem; }
.article-header h1 { font-size: clamp(2rem, 4.6vw, 3rem); line-height: 1.08; margin: .4rem 0 .9rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: .4rem .9rem; align-items: center; color: var(--slate); font-size: .92rem; }
.article-meta .byline { color: #2A3342; font-weight: 600; }
.article-meta .dot { color: var(--line-strong); }

.article-body { }
.article-body > p:first-of-type { font-size: clamp(1.12rem, 2vw, 1.3rem); line-height: 1.55; color: #2A3342; }
.article-body h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); line-height: 1.18; margin: 2.6rem 0 .8rem; }
.article-body h3 { font-size: 1.14rem; color: var(--navy); margin: 1.9rem 0 .4rem; }
.article-body p, .article-body li { color: #2A3342; line-height: 1.72; font-size: 1.05rem; }
.article-body p { margin: 0 0 1.2rem; }
.article-body ul { padding-left: 1.2rem; margin: .6rem 0 1.4rem; }
.article-body li { margin: .4rem 0; }
.article-body strong { color: var(--navy); }
.article-body a { color: var(--brass-deep); text-decoration: underline; text-underline-offset: 2px; }
.article-body a:hover { color: var(--navy); }

/* Pull-quote */
.pull-quote {
  margin: 2.4rem 0; padding: 1.4rem 0 1.4rem 1.6rem; border-left: 4px solid var(--brass);
}
.pull-quote p { font-family: var(--display); font-size: clamp(1.3rem, 2.8vw, 1.8rem); line-height: 1.25; color: var(--navy); letter-spacing: -0.01em; margin: 0; }

/* Footnote-style source list */
.article-sources { margin-top: 2.6rem; padding-top: 1.4rem; border-top: 1px solid var(--line); }
.article-sources h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .14em; color: var(--slate); margin: 0 0 .6rem; }
.article-sources li { font-size: .9rem; color: var(--slate); line-height: 1.55; }

/* End-of-article CTA */
.article-cta {
  margin-top: 2.6rem; border-top: 1px solid var(--line); padding-top: 2rem;
}
.article-cta h2 { font-size: clamp(1.3rem, 2.6vw, 1.7rem); margin: 0 0 .7rem; }
.article-cta p { color: #41454b; margin: 0 0 1.2rem; max-width: 60ch; }

/* Prev / next between posts */
.post-nav { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; margin-top: 2.4rem; border-top: 1px solid var(--line); padding-top: 1.6rem; }
.post-nav a { font-weight: 600; color: var(--navy); font-size: .95rem; }
.post-nav a:hover { color: var(--brass-deep); }
.post-nav .label { display: block; font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; color: var(--slate); margin-bottom: .2rem; font-weight: 600; }

/* Share affordance */
.article-share { margin-top: 1.3rem; }
.share-linkedin {
  display: inline-flex; align-items: center; gap: .5rem;
  font-family: var(--sans); font-weight: 600; font-size: .84rem;
  color: var(--navy); border: 1px solid var(--line-strong);
  padding: .5rem .9rem; border-radius: 4px;
  transition: border-color .2s, background .2s, color .2s;
}
.share-linkedin:hover { border-color: var(--navy); background: var(--navy); color: var(--ivory); }
.share-linkedin svg { width: 15px; height: 15px; flex: none; fill: currentColor; }

@media (max-width: 640px) {
  .article { padding: 32px 0 40px; }
}