/* ============================================================================
   INSIGHTS - editorial blog module for cbv-v5
   Reuses global.css tokens (--c-*, --font-*, --container, --reading).
   Layout reference: imidaily.com editorial news index (featured headline +
   symmetric image-led card grid). High-end consulting voice, tighter rhythm.
   Scope: /insights/ archive (home.php), single.php, archive.php, the shared
   insight-card, and the homepage "Latest insights" section.
   ============================================================================ */

/* ----------------------------------------------------------------------------
   1. MASTHEAD - light editorial header (replaces the all-black band)
   ---------------------------------------------------------------------------- */
.insights-masthead {
  position: relative;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  padding-block: clamp(2.75rem, 6vh, 4rem) clamp(2rem, 4vh, 2.75rem);
}
.insights-masthead__rule {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-accent);
}
.insights-masthead h1 {
  color: var(--c-ink);
  font-size: clamp(2.25rem, 4.5vw, 3.5rem);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.05;
  max-width: 18ch;
  margin-bottom: 1rem;
  font-variation-settings: "opsz" 72;
}
.insights-masthead .eyebrow { color: var(--c-accent); margin-bottom: 1rem; }
.insights-masthead .eyebrow a { color: inherit; text-decoration: none; }
.insights-masthead__lede {
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--c-ink-soft);
  max-width: 64ch;
  margin: 0;
}

/* ----------------------------------------------------------------------------
   2. SHARED CARD anatomy: thumb -> category -> serif headline -> date -> excerpt
   ---------------------------------------------------------------------------- */
.insight-card { position: relative; }
.insight-card__media {
  display: block;
  position: relative;
  aspect-ratio: 16 / 10;          /* reserved space, no CLS */
  overflow: hidden;
  background: var(--c-bg-soft);
  margin-bottom: 1.1rem;
}
.insight-card__media img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease-out;
}
.insight-card__meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.6em;
  margin: 0 0 0.55rem;
  color: var(--c-muted);
}
.insight-card__cat { color: var(--c-accent); }
.insight-card__sep { color: var(--c-line); }
.insight-card__title {
  margin: 0;
  letter-spacing: 0;
  line-height: 1.2;
  font-size: 1.25rem;
  font-weight: 600;
}
.insight-card__title a {
  text-decoration: none;
  color: var(--c-ink);
  transition: color 0.15s;
}
.insight-card__title a:hover { color: var(--c-accent); }
.insight-card__excerpt {
  color: var(--c-ink-soft);
  line-height: 1.55;
  font-size: 0.95rem;
  margin: 0.65rem 0 0;
  max-width: 52ch;
}

/* ----------------------------------------------------------------------------
   3. FEATURED HEADLINE (imidaily-style: full-width image on top, big headline)
   ---------------------------------------------------------------------------- */
.insights-featured {
  display: block;
  margin-bottom: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid var(--c-line);
}
.insights-featured .insight-card__media {
  aspect-ratio: 21 / 9;
  margin-bottom: 1.5rem;
}
.insights-featured:hover .insight-card__media img { transform: scale(1.02); }
.insights-featured .insight-card__title {
  font-size: clamp(1.85rem, 3.6vw, 3rem);
  line-height: 1.08;
  letter-spacing: -0.005em;
  max-width: 24ch;
}
.insights-featured .insight-card__excerpt {
  font-size: 1.1rem;
  line-height: 1.6;
  max-width: 64ch;
  margin-top: 1rem;
}
.insights-featured .insight-card__meta { font-size: 0.76rem; }

/* ----------------------------------------------------------------------------
   4. SYMMETRIC CARD GRID (the rest of the articles, all equal, all imaged)
   ---------------------------------------------------------------------------- */
.insights-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
}
.insights-grid .insight-card { transition: transform 0.15s; }
.insights-grid .insight-card:hover { transform: translateY(-2px); }
.insights-grid .insight-card:hover .insight-card__media img { transform: scale(1.03); }
/* full-card accent affordance on hover (outline on media, no layout shift) */
.insights-grid .insight-card:hover .insight-card__media { outline: 1px solid var(--c-accent); outline-offset: 0; }

/* ----------------------------------------------------------------------------
   5. PAGINATION
   ---------------------------------------------------------------------------- */
.insights-pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 3rem;
  padding-top: 1.75rem;
  border-top: 2px solid var(--c-ink);
}
.insights-pagination .page-numbers {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--c-ink-soft);
  text-decoration: none;
  min-width: 44px;
  height: 44px;
  padding: 0 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  transition: border-color 0.15s, color 0.15s, background 0.15s;
}
.insights-pagination a.page-numbers:hover { border-color: var(--c-accent); color: var(--c-accent); }
.insights-pagination .page-numbers.current {
  background: var(--c-ink);
  border-color: var(--c-ink);
  color: var(--c-on-dark);
}
.insights-pagination .page-numbers.dots { border-color: transparent; }

/* ----------------------------------------------------------------------------
   6. EMPTY STATE
   ---------------------------------------------------------------------------- */
.insights-empty { max-width: 52ch; padding-block: 1rem 3rem; }
.insights-empty__title {
  font-family: var(--font-serif);
  font-variation-settings: "opsz" 72;
  font-size: 1.6rem;
  font-weight: 600;
  color: var(--c-ink);
  margin-bottom: 0.65rem;
}
.insights-empty__body { color: var(--c-ink-soft); font-size: 1.02rem; line-height: 1.55; }
.insights-empty__body a { color: var(--c-accent); }

/* ----------------------------------------------------------------------------
   7. SINGLE - light editorial header + cover + narrow reading column
   ---------------------------------------------------------------------------- */
.insight-hero {
  position: relative;
  background: var(--c-bg);
  border-bottom: 1px solid var(--c-line);
  padding-block: clamp(2.75rem, 6vh, 4rem) clamp(1.75rem, 4vh, 2.5rem);
}
.insight-hero__rule {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--c-accent);
}
.insight-hero .container { max-width: 880px; }
.insight-hero__meta {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--c-muted);
  display: flex;
  align-items: center;
  gap: 0.65em;
  margin: 0 0 1.1rem;
}
.insight-hero__cat { color: var(--c-accent); text-decoration: none; }
.insight-hero__cat:hover { text-decoration: underline; text-underline-offset: 3px; }
.insight-hero__sep { color: var(--c-line); }
.insight-hero__title {
  color: var(--c-ink);
  font-size: clamp(1.9rem, 3.4vw, 2.7rem);
  font-weight: 600;
  letter-spacing: -0.005em;
  line-height: 1.08;
  max-width: 22ch;
  margin-bottom: 1rem;
  font-variation-settings: "opsz" 72;
}
.insight-hero__lede {
  font-size: 1.13rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--c-ink-soft);
  max-width: 60ch;
  margin: 0 0 1.25rem;
  font-family: var(--font-serif);
  font-variation-settings: "opsz" 28;
}
.insight-hero__byline {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  margin: 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--c-line);
}
.insight-hero__byline-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-muted);
}
.insight-hero__byline-name { font-size: 0.95rem; color: var(--c-ink); font-weight: 500; }

/* Cover image - sits between header and body */
.insight-cover { margin: 0; background: var(--c-bg); padding-top: clamp(1.25rem, 3vh, 1.85rem); }
.insight-cover .container { max-width: 880px; }
.insight-cover img {
  width: 100%;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  display: block;
}

/* Narrow reading column */
.insight-body-wrap { padding-block: clamp(1.5rem, 4vh, 2.25rem) clamp(2.25rem, 5vh, 3.25rem); }
.article-body {
  max-width: 66ch;
  margin-inline: auto;
  font-size: 1.06rem;
  line-height: 1.62;
  color: var(--c-ink);
}
.article-body > * { max-width: none; }
.article-body p { margin: 0 0 1.15rem; max-width: none; }
.article-body h2 {
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  line-height: 1.2;
  margin: 2.1rem 0 0.85rem;
  letter-spacing: -0.003em;
}
.article-body h3 { font-size: 1.22rem; margin: 1.9rem 0 0.7rem; }
.article-body h2:first-child, .article-body h3:first-child { margin-top: 0; }
.article-body a {
  color: var(--c-accent);
  text-decoration: underline;
  text-decoration-color: var(--c-accent-soft);
  text-underline-offset: 3px;
}
.article-body a:hover { text-decoration-color: var(--c-accent); }
.article-body ul, .article-body ol { margin: 0 0 1.4rem; padding-left: 1.4rem; }
.article-body li { margin-bottom: 0.55rem; }
.article-body blockquote {
  margin: 1.75rem 0;
  padding: 0 0 0 1.5rem;
  border-left: 2px solid var(--c-accent);
  font-family: var(--font-serif);
  font-variation-settings: "opsz" 28;
  font-style: italic;
  font-size: 1.18rem;
  color: var(--c-ink-soft);
}
.article-body img { margin: 1.75rem 0; }
.article-body figcaption {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: var(--c-muted);
  margin-top: 0.6rem;
}

/* In-body disclaimer block (ships inside post content per CONTRACT v1 §2) */
.article-body .insight-disclaimer {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--c-line);
}
.article-body .insight-disclaimer p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--c-muted);
  margin: 0;
  max-width: none;
}
.article-body .insight-disclaimer strong { color: var(--c-ink-soft); }

/* ----------------------------------------------------------------------------
   8. RELATED READING - reuses the symmetric grid
   ---------------------------------------------------------------------------- */
.insight-related__head { margin-bottom: 2rem; }

/* ----------------------------------------------------------------------------
   9. SINGLE CTA (dark) - partner inquiry
   ---------------------------------------------------------------------------- */
.insight-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  gap: 3rem;
  align-items: center;
}
.insight-cta__lede {
  color: var(--c-on-dark-soft);
  font-size: 1.08rem;
  line-height: 1.6;
  margin: 1rem 0 0;
  max-width: 52ch;
}
.insight-cta__action {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  justify-content: flex-end;
}

/* ----------------------------------------------------------------------------
   10. HOMEPAGE "Latest insights" section - 3 equal imaged cards
   ---------------------------------------------------------------------------- */
.home-insights__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.5rem 2rem;
}
.home-insights__grid .insight-card { transition: transform 0.15s; }
.home-insights__grid .insight-card:hover { transform: translateY(-2px); }
.home-insights__grid .insight-card:hover .insight-card__media img { transform: scale(1.03); }
.home-insights__grid .insight-card:hover .insight-card__media { outline: 1px solid var(--c-accent); }
.home-insights__more {
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--c-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  margin-top: 2rem;
}
.home-insights__more span { transition: transform 0.15s; }
.home-insights__more:hover span { transform: translateX(4px); }

/* ----------------------------------------------------------------------------
   11. SCOPED SPACING - tighten section rhythm on home + insights only.
   Global .section padding stays untouched (shared by all other pages).
   ---------------------------------------------------------------------------- */
.cbv-home .section,
.cbv-insights .section,
.cbv-insight-single .section { padding-block: 2.5rem; }
.cbv-home .section--wide,
.cbv-insights .section--wide,
.cbv-insight-single .section--wide { padding-block: 3rem; }
.cbv-home .section-head,
.cbv-insights .section-head { margin-bottom: 1.25rem; }

/* ----------------------------------------------------------------------------
   12. ASTRA OVERRIDES - light headings keep ink color (PITFALLS P6 / §5).
   Masthead/hero are now light, so titles inherit ink; dark single CTA still
   relies on global .section--dark override.
   ---------------------------------------------------------------------------- */
.insights-masthead h1, .insight-hero h1, .insight-hero__title {
  color: var(--c-ink) !important;
}

/* ----------------------------------------------------------------------------
   13. MOBILE REFLOW
   ---------------------------------------------------------------------------- */
@media (max-width: 960px) {
  .insights-grid,
  .home-insights__grid { grid-template-columns: 1fr 1fr; gap: 2rem 1.5rem; }
  .insight-cta__inner { grid-template-columns: 1fr; gap: 1.75rem; }
  .insight-cta__action { justify-content: flex-start; }
}
@media (max-width: 600px) {
  .insights-grid,
  .home-insights__grid { grid-template-columns: 1fr; gap: 2rem; }
  .insights-featured .insight-card__media { aspect-ratio: 16 / 10; }
  .article-body { font-size: 1rem; }
  .insight-cover img { aspect-ratio: 16 / 9; }
}