/* ============================================================
   lk-research — Research index (/research/) component layer.

   Loaded via ShellOptions.sectionStyles after lk-main.css. Holds the
   research card grid + pagination. Shared .lk-simple-*, .lk-eyebrow and
   tokens live in lk-main.css. See public/styles/README.md.
   ============================================================ */

.lk-research-page {
  width: min(1120px, 100%);
}

.lk-research-grid {
  margin-top: 34px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.lk-research-card {
  min-height: 100%;
  border: var(--lkos-border-width) solid var(--lkos-border-night);
  border-radius: var(--lkos-radius-lg);
  background: color-mix(in srgb, var(--lkos-surface-night-soft) 42%, transparent);
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.lk-research-card:hover {
  background: color-mix(in srgb, var(--lkos-surface-night-soft) 74%, transparent);
  border-color: var(--lkos-accent-soft);
  transform: translateY(-2px);
}

.lk-research-card a {
  min-height: 100%;
  padding: clamp(18px, 3vw, 24px);
  display: flex;
  flex-direction: column;
  gap: 16px;
  color: var(--lkos-text-night);
}

.lk-research-card-meta,
.lk-research-card-tags,
.lk-research-card-cta,
.lk-research-pagination {
  font-family: var(--lkos-font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.lk-research-card-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px;
  color: var(--lkos-text-night-sub);
}

.lk-research-card h2 {
  margin: 0;
  color: var(--lkos-text-night);
  font-family: var(--lkos-font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 800;
  letter-spacing: 0;
  line-height: 1.02;
}

.lk-research-card-excerpt {
  margin: 0;
  color: var(--lkos-text-night-sub);
  font-size: 15px;
  line-height: 1.5;
}

.lk-research-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.lk-research-card-tags span {
  padding: 5px 8px;
  border: var(--lkos-border-width) solid var(--lkos-border-night);
  border-radius: var(--lkos-radius-full);
  color: var(--lkos-text-night-sub);
}

.lk-research-card-cta {
  margin-top: auto;
  color: var(--lkos-accent);
}

.lk-research-pagination {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  color: var(--lkos-text-night-sub);
}

.lk-research-page-arrow {
  min-height: 38px;
  padding: 9px 14px;
  display: inline-flex;
  align-items: center;
  border: var(--lkos-border-width) solid var(--lkos-border-night);
  border-radius: var(--lkos-radius-full);
  color: var(--lkos-text-night);
  transition: border-color 180ms ease, color 180ms ease;
}

.lk-research-page-arrow:hover {
  border-color: var(--lkos-accent-soft);
  color: var(--lkos-accent);
}

.lk-research-page-arrow.is-disabled {
  opacity: 0.38;
}

.lk-research-page-count {
  color: var(--lkos-text-night-sub);
}

@media (max-width: 900px) {
  .lk-research-grid {
    grid-template-columns: 1fr;
  }
}