.page-insights {
  --pi-rule: var(--border-thin) solid var(--color-line);
  --pi-rule-soft: var(--border-thin) solid color-mix(in srgb, var(--color-line) 62%, transparent);
  --pi-gap-sm: var(--space-2);
  --pi-gap-md: var(--space-4);
  --pi-gap-lg: var(--space-6);
  --pi-gap-xl: var(--space-8);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

/* ---------- Hero ---------- */
.page-insights .pi-hero {
  padding-block: var(--space-4) var(--section-y);
}

.page-insights .pi-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pi-gap-lg);
  margin-top: var(--pi-gap-lg);
}

.page-insights .pi-hero__title {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: var(--space-3) 0 var(--space-4);
  max-width: 12ch;
}

.page-insights .pi-hero__intro {
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-base);
}

.page-insights .pi-hero__themes {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--pi-rule-soft);
}

.page-insights .pi-hero__theme {
  border-bottom: var(--pi-rule-soft);
}

.page-insights .pi-hero__theme a {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  text-decoration: none;
  color: var(--color-ink);
  transition: color 150ms ease, padding-left 150ms ease;
}

.page-insights .pi-hero__theme a:hover,
.page-insights .pi-hero__theme a:focus-visible {
  color: var(--color-accent);
  padding-left: var(--space-1);
}

.page-insights .pi-hero__theme-name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
}

.page-insights .pi-hero__stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--pi-gap-md);
  margin: var(--pi-gap-xl) 0 0;
  padding-top: var(--pi-gap-md);
  border-top: var(--pi-rule);
}

.page-insights .pi-hero__stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-insights .pi-hero__stat dt {
  color: var(--color-ink-muted);
}

.page-insights .pi-hero__stat-num {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

/* ---------- Topic shell ---------- */
.page-insights .pi-topics {
  display: block;
}

.page-insights .pi-topic {
  padding-block: var(--section-y);
}

.page-insights .pi-topic--inset {
  background: var(--color-surface-alt);
}

.page-insights .pi-topic__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--si-space-gap, var(--space-4));
  border-top: var(--pi-rule);
  padding-top: var(--space-3);
}

.page-insights .pi-topic__heading {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-insights .pi-topic__no {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-figure);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

.page-insights .pi-topic__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-insights .pi-topic__toggle {
  appearance: none;
  background: none;
  border: 0;
  padding: var(--space-1) 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-accent);
  cursor: pointer;
  border-bottom: var(--border-thin) solid currentColor;
}

.page-insights .pi-topic__toggle:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-insights .pi-topic__panel {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 220ms ease;
}

.page-insights .pi-topic__panel:not([data-open]) {
  grid-template-rows: 0fr;
}

.page-insights .pi-topic__panel > .pi-topic__inner {
  overflow: hidden;
  padding-top: var(--pi-gap-lg);
}

/* ---------- Duo grid ---------- */
.page-insights .pi-grid-duo {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pi-gap-lg);
}

.page-insights .pi-grid-duo--asym {
  gap: var(--pi-gap-xl);
}

.page-insights .pi-prose {
  max-width: var(--measure);
}

.page-insights .pi-prose__lead {
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
}

.page-insights .pi-prose__lead--wide {
  max-width: 62ch;
  font-size: var(--text-xl);
}

.page-insights .pi-prose p + p {
  margin-top: var(--space-3);
}

.page-insights .pi-prose a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Points (hanging indent) ---------- */
.page-insights .pi-points {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
}

.page-insights .pi-points li {
  position: relative;
  padding-left: var(--space-6);
  margin-bottom: var(--space-3);
  color: var(--color-ink-soft);
}

.page-insights .pi-points li::before {
  content: "\2014";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-primary);
}

/* ---------- Notes band ---------- */
.page-insights .pi-notes {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: var(--space-3) 0;
  border-top: var(--pi-rule-soft);
  border-bottom: var(--pi-rule-soft);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.page-insights .pi-notes--wide {
  margin-top: var(--pi-gap-md);
}

.page-insights .pi-note {
  display: inline-flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: 2px var(--space-1);
  transition: background-color 150ms ease;
}

.page-insights .pi-note:hover {
  background: var(--color-primary-soft);
}

.page-insights .pi-note .meta-mono {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
}

.page-insights .pi-note__title {
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-insights .pi-topic__exit {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
}

.page-insights .pi-topic__exit a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Figures ---------- */
.page-insights .pi-topic__figure {
  margin: 0;
}

.page-insights .pi-topic__figure--full {
  margin-bottom: var(--pi-gap-lg);
}

.page-insights .figure__caption {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
}

.page-insights .figure__caption .meta-mono {
  color: var(--color-primary);
  margin-right: var(--space-1);
}

/* ---------- Aside / batch strip ---------- */
.page-insights .pi-aside {
  border-left: var(--border-thin) solid var(--color-line);
  padding-left: var(--space-4);
}

.page-insights .pi-aside__label {
  margin: 0 0 var(--space-3);
  color: var(--color-ink-muted);
}

.page-insights .pi-aside__foot {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-insights .pi-batch-strip {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-insights .pi-batch-strip li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-1) 0;
  border-bottom: var(--pi-rule-soft);
}

.page-insights .pi-batch-strip li:first-child {
  border-top: var(--pi-rule-soft);
}

.page-insights .pi-batch-strip__hint {
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- Ledger list ---------- */
.page-insights .pi-ledger {
  list-style: none;
  margin: var(--pi-gap-lg) 0 0;
  padding: 0;
}

.page-insights .pi-ledger__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-4) 0;
  border-top: var(--pi-rule-soft);
}

.page-insights .pi-ledger__item:last-child {
  border-bottom: var(--pi-rule-soft);
}

.page-insights .pi-ledger__no {
  color: var(--color-primary);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
}

.page-insights .pi-ledger__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-insights .pi-ledger__body p {
  margin: 0;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-insights .pi-ledger--mono .pi-ledger__title {
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.01em;
}

/* ---------- Editorial ---------- */
.page-insights .pi-editorial {
  padding-block: var(--section-y);
  background: var(--color-surface-alt);
}

.page-insights .pi-editorial .section-no,
.page-insights .pi-cross .section-no {
  margin: 0;
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-primary);
}

.page-insights .pi-editorial__title,
.page-insights .pi-cross__title {
  margin: var(--space-2) 0 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-insights .pi-editorial__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pi-gap-lg);
  margin-top: var(--pi-gap-lg);
}

.page-insights .pi-editorial__aside {
  border-top: var(--pi-rule);
  padding-top: var(--space-3);
}

.page-insights .pi-rules {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
}

.page-insights .pi-rules li {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--pi-rule-soft);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-insights .pi-rules .meta-mono {
  color: var(--color-primary);
  flex: 0 0 auto;
}

/* ---------- Cross index ---------- */
.page-insights .pi-cross {
  padding-block: var(--section-y) var(--section-y-lg);
}

.page-insights .pi-cross__lead {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  color: var(--color-ink-soft);
}

.page-insights .pi-cross__table {
  margin-top: var(--pi-gap-lg);
  border-top: var(--pi-rule);
}

.page-insights .pi-cross__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-1);
  padding: var(--space-3) 0;
  border-bottom: var(--pi-rule-soft);
}

.page-insights .pi-cross__row--head {
  border-bottom: var(--pi-rule);
}

.page-insights .pi-cross__row--head span {
  color: var(--color-ink-muted);
  letter-spacing: 0.08em;
}

.page-insights .pi-cross__topics {
  color: var(--color-ink);
  font-size: var(--text-base);
}

.page-insights .pi-cross__desc {
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
}

.page-insights .pi-cross__foot {
  margin: var(--pi-gap-lg) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-insights .pi-cross__foot a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- Responsive ---------- */
@media (min-width: 720px) {
  .page-insights .pi-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
    gap: var(--pi-gap-xl);
    align-items: start;
  }

  .page-insights .pi-hero__themes {
    margin-top: var(--space-6);
  }

  .page-insights .pi-grid-duo {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-insights .pi-grid-duo--flip {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-insights .pi-grid-duo--asym {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
  }

  .page-insights .pi-ledger__item {
    grid-template-columns: minmax(0, 2fr) minmax(0, 10fr);
    gap: var(--space-4);
  }

  .page-insights .pi-editorial__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: var(--pi-gap-xl);
  }

  .page-insights .pi-cross__row {
    grid-template-columns: minmax(0, 2fr) minmax(0, 6fr) minmax(0, 4fr);
    gap: var(--space-4);
    align-items: baseline;
  }
}

@media (min-width: 1080px) {
  .page-insights .pi-hero {
    padding-block: var(--space-6) var(--section-y-lg);
  }

  .page-insights .pi-hero__title {
    margin-top: var(--space-4);
  }

  .page-insights .pi-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--pi-gap-xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-insights .pi-hero__theme a,
  .page-insights .pi-topic__toggle,
  .page-insights .pi-topic__panel,
  .page-insights .pi-note {
    transition: none;
  }
}

.page-insights img {
  max-width: 100%;
  height: auto;
  display: block;
}

.page-insights .figure__media {
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-insights .figure__media--wide {
  aspect-ratio: 16 / 9;
}

.page-insights .figure__media--tall {
  aspect-ratio: 3 / 2;
}

.page-insights .figure__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.78) contrast(1.02);
}

.page-insights {
  --si-space-gap: 1rem;
}