.research-section {
  background: transparent;
}

.research-section .section-heading p:not(.eyebrow) {
  max-width: 64ch;
  color: var(--color-muted);
}

.research-controls {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  margin-bottom: var(--space-5);
}

.research-search input {
  width: 100%;
  min-height: 48px;
  padding: 0 var(--space-4);
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.045);
  color: var(--color-ink);
}

.research-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: flex-end;
}

.research-filter {
  min-height: 40px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-muted);
  font-weight: 800;
}

.research-filter.is-active {
  border-color: var(--color-sky);
  background: rgba(134, 168, 223, 0.12);
  color: var(--color-ink);
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.research-empty {
  grid-column: 1 / -1;
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  color: var(--color-muted);
}

.research-card {
  display: grid;
  gap: var(--space-4);
  min-height: 100%;
  padding: var(--space-5);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.045);
  box-shadow: var(--shadow-card);
}

.research-card__media {
  display: grid;
  place-items: center;
  min-height: 160px;
  border-radius: var(--radius-md);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(145deg, var(--card-accent), var(--color-graphite));
  color: #ffffff;
  font-size: 3rem;
  font-weight: 900;
}

.research-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.research-card__tags span {
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  background: rgba(134, 168, 223, 0.1);
  color: var(--color-sky);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.research-card h3 {
  font-size: 1.2rem;
}

.research-card p {
  color: var(--color-muted);
}

.research-card__actions {
  display: flex;
  gap: var(--space-2);
  align-items: center;
  margin-top: auto;
}

.research-card__actions a,
.research-card__actions button {
  min-height: 40px;
  padding: 0 var(--space-3);
  border-radius: var(--radius-sm);
  background: #0b0f17;
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  font-weight: 800;
}

.research-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: none;
}

.research-modal.is-open {
  display: block;
}

.research-modal__backdrop {
  position: absolute;
  inset: 0;
  border: 0;
  background: rgba(23, 26, 31, 0.72);
}

.research-modal__panel {
  position: relative;
  width: min(100% - 32px, 980px);
  max-height: calc(100vh - 48px);
  margin: 24px auto;
  overflow: auto;
  display: grid;
  grid-template-columns: 0.38fr 0.62fr;
  border-radius: var(--radius-lg);
  background: #111722;
  box-shadow: var(--shadow-soft);
}

.research-modal__close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  z-index: 2;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-ink);
  font-size: 1.5rem;
}

.research-modal__media {
  display: grid;
  place-items: center;
  min-height: 420px;
  padding: var(--space-6);
  background: linear-gradient(145deg, var(--modal-accent), var(--color-graphite));
  color: #ffffff;
  font-size: 4rem;
  font-weight: 900;
}

.research-modal__content {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-7) var(--space-6) var(--space-6);
}

.research-modal__summary,
.research-modal__body p,
.research-modal__body li {
  color: var(--color-muted);
}

.research-modal__mesh {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-3);
  border-left: 3px solid var(--color-sky);
  background: rgba(134, 168, 223, 0.08);
}

.research-modal__mesh a {
  color: var(--color-sky);
  font-weight: 900;
}

.research-modal__body {
  display: grid;
  gap: var(--space-3);
}

.research-modal__body ul {
  margin: 0;
  padding-left: 20px;
}

.research-modal__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 960px) {
  .research-controls,
  .research-modal__panel {
    grid-template-columns: 1fr;
  }

  .research-filters {
    justify-content: flex-start;
  }

  .research-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .research-modal__media {
    min-height: 220px;
  }
}

@media (max-width: 640px) {
  .research-grid {
    grid-template-columns: 1fr;
  }

  .research-card,
  .research-modal__content {
    padding: var(--space-4);
  }
}