/* Insights: the index (insights.html) and the article pages (insight-*.html).
   Builds on tokens/base/home (header, footer, buttons) and sections (eyebrow). */

/* Shared mono label: topics, dates, reading time, bylines */
.ins-label {
  font-family: var(--font-data);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--colour-ink-soft);
}

.ins-topic {
  color: var(--colour-brand);
}

/* ---------- Index ---------- */
/* One reading page, not full-screen panels: the index uses divs, not sections. */
.ins {
  padding-block: var(--space-section);
}

.ins__grid {
  row-gap: var(--space-content);
}

.ins__grid > * {
  grid-column: 1 / -1;
}

.ins-intro {
  display: grid;
  gap: var(--space-content);
  padding-bottom: var(--space-content);
  border-bottom: 1px solid var(--colour-ink);
}

.ins-intro .eyebrow {
  margin-bottom: 0;
}

.ins-intro h1 {
  max-width: 14em;
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 700;
  line-height: 1.02;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.ins-intro__lead {
  max-width: 36rem;
  font-size: clamp(1.0625rem, 1.6vw, 1.1875rem);
  color: var(--colour-ink-soft);
}

.ins-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  list-style: none;
}

.ins-topics li {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.ins-topics li::before {
  content: "";
  width: 0.4375rem;
  height: 0.4375rem;
  background: var(--colour-brand);
}

.ins-articles {
  display: grid;
  gap: calc(var(--space-content) * 1.25) var(--grid-gap);
  list-style: none;
}

.ins-card {
  position: relative;
  display: grid;
  gap: 0.75rem;
  align-content: start;
  padding-top: 1.25rem;
  border-top: 1.5px solid var(--colour-brand);
}

.ins-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.4vw, 1.75rem);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

/* The whole card is the link target; the heading carries the accessible name. */
.ins-card__link {
  color: var(--colour-ink);
  text-decoration: none;
}

.ins-card__link::after {
  content: "";
  position: absolute;
  inset: 0;
}

.ins-card:hover .ins-card__link {
  color: var(--colour-brand);
}

.ins-card__link:focus-visible {
  outline: none;
}

.ins-card:has(.ins-card__link:focus-visible) {
  outline: 2px solid var(--colour-brand);
  outline-offset: 6px;
}

.ins-card__dek {
  max-width: 34rem;
  color: var(--colour-ink-soft);
}

.ins-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
}

/* The newest article leads, set larger. */
.ins-card--lead .ins-card__title {
  max-width: 20em;
  font-size: clamp(1.75rem, 3.6vw, 2.75rem);
  line-height: 1.08;
}

.ins-card--lead .ins-card__dek {
  font-size: 1.125rem;
}

/* ---------- Article ---------- */
.article {
  padding-block: var(--space-section);
}

.article__grid {
  row-gap: var(--space-content);
}

.article__grid > * {
  grid-column: 1 / -1;
}

.article__back {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.75rem;
  color: var(--colour-ink-soft);
  text-decoration: none;
  font-size: 0.9375rem;
}

.article__back:hover {
  color: var(--colour-brand);
}

.article__head {
  padding-bottom: var(--space-content);
  border-bottom: 1px solid var(--colour-ink);
}

.article__head h1 {
  max-width: 18em;
  margin-top: 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.125rem, 5.4vw, 3.75rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.article__dek {
  max-width: 38rem;
  margin-top: 1.25rem;
  font-size: clamp(1.125rem, 1.8vw, 1.3125rem);
  line-height: 1.5;
  color: var(--colour-ink-soft);
}

.article__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.25rem;
  margin-top: 1.5rem;
}

.article__body {
  max-width: 40rem;
  font-size: 1.125rem;
  line-height: 1.7;
}

.article__body > * + * {
  margin-top: 1.25rem;
}

.article__body h2 {
  margin-top: 2.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1.2;
}

.article__body h2 + * {
  margin-top: 1rem;
}

.article__body ul,
.article__body ol {
  padding-left: 1.25rem;
}

.article__body li + li {
  margin-top: 0.625rem;
}

.article__body a {
  color: var(--colour-brand);
  text-underline-offset: 0.2em;
}

.article__body a:hover {
  color: var(--colour-ink);
}

.article__pull {
  margin-block: 2.5rem;
  padding-left: 1.25rem;
  border-left: 1.5px solid var(--colour-brand);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2.4vw, 1.625rem);
  font-weight: 700;
  line-height: 1.3;
  text-wrap: balance;
}

/* Closing: a practical next step, then the other articles. */
.article__end {
  display: grid;
  gap: var(--space-section);
  margin-top: calc(var(--space-section) * 0.6);
}

.article__next {
  padding: clamp(1.5rem, 3vw, 2.5rem);
  background: var(--colour-ink);
  color: var(--colour-on-ink);
}

.article__next h2 {
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(1.375rem, 2.8vw, 2rem);
  font-weight: 700;
  line-height: 1.15;
  text-wrap: balance;
}

.article__next p {
  max-width: 32rem;
  margin-top: 0.75rem;
  color: var(--colour-on-ink-soft);
}

.article__next .btn {
  margin-top: 1.5rem;
}

.article__next :focus-visible {
  outline-color: var(--colour-on-ink);
}

.article__related-title {
  margin-bottom: 1.25rem;
}

@media (min-width: 768px) {
  .ins-articles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ins-card--lead {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .article__back,
  .article__head,
  .article__body,
  .article__end {
    grid-column: 3 / span 8;
  }
}