/* ============================================================
   JG CAPITAL — Research Library V24
   Public searchable/downloadable report archive.
   ============================================================ */

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.research-library-section {
  padding-top: 0;
}

.research-toolbar {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--line);
}

.research-filters {
  display: flex;
  align-items: center;
  gap: 8px 24px;
  flex-wrap: wrap;
  min-width: 0;
}

.research-filter {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 13px;
  font-weight: 650;
  line-height: 1;
  padding: 10px 0 12px;
  cursor: pointer;
  position: relative;
  transition: color var(--duration-fast) var(--ease);
}

.research-filter::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--duration-fast) var(--ease);
}

.research-filter:hover,
.research-filter[aria-pressed='true'] {
  color: var(--ink);
}

.research-filter[aria-pressed='true']::after {
  transform: scaleX(1);
}

.research-search {
  flex: 0 0 min(300px, 31vw);
}

.research-search input {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--raised);
  color: var(--ink);
  padding: 10px 13px;
  font: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease), box-shadow var(--duration-fast) var(--ease);
}

.research-search input::placeholder {
  color: var(--muted);
}

.research-search input:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--gold) 15%, transparent);
}

.research-count {
  min-height: 24px;
  margin: 18px 0 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 550;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 34px 28px;
  align-items: stretch;
  min-height: 160px;
}

.research-library-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--raised);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-xs);
  transition: transform var(--duration-base) var(--ease), box-shadow var(--duration-base) var(--ease), border-color var(--duration-base) var(--ease);
}

.research-library-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--gold) 40%, var(--line));
}

.research-card-media {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: linear-gradient(145deg, #f7f5f0, #ebe8e0);
  border-bottom: 1px solid var(--line);
}

:root[data-theme='dark'] .research-card-media {
  background: linear-gradient(145deg, #132635, #0c1924);
}

.research-card-media > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--duration-slow) var(--ease);
}

.research-library-card:hover .research-card-media > img {
  transform: scale(1.025);
}

.research-cover-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 5px;
  text-align: center;
  padding: 22px;
}

.research-cover-fallback img {
  width: 42px;
  height: auto;
  object-fit: contain;
  opacity: .88;
  margin-bottom: 4px;
}

:root[data-theme='dark'] .research-cover-fallback img {
  filter: invert(1);
}

.research-cover-brand {
  color: var(--muted);
  font-size: 8px;
  font-weight: 750;
  letter-spacing: .22em;
}

.research-cover-fallback strong {
  color: var(--ink);
  font-size: clamp(16px, 1.6vw, 23px);
  letter-spacing: -.03em;
}

.research-card-content {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 18px 18px 17px;
}

.research-card-content time {
  color: var(--muted);
  font-size: 10.5px;
  font-weight: 550;
  letter-spacing: .02em;
  margin-bottom: 8px;
}

.research-card-content h2 {
  margin: 0;
  font-size: 16px;
  line-height: 1.35;
  letter-spacing: -.018em;
  overflow-wrap: anywhere;
}

.research-card-content h2 a {
  color: var(--ink);
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease);
}

.research-card-content h2 a:hover {
  color: var(--gold-dk);
}

.research-card-summary {
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.62;
  margin: 9px 0 0;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.research-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
}

.research-tag {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--line));
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  color: var(--muted);
  padding: 2px 8px;
  font-size: 8.5px;
  line-height: 1;
  font-weight: 760;
  letter-spacing: .045em;
  text-transform: uppercase;
}

.research-card-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: auto;
  padding-top: 18px;
}

.research-download,
.research-source {
  font-size: 11.5px;
  font-weight: 700;
  text-decoration: none;
}

.research-download {
  color: var(--ink);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 2px;
}

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

.research-download:hover,
.research-source:hover {
  color: var(--gold-dk);
}

.research-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 36px 0 60px;
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 1080px) {
  .research-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .research-toolbar {
    align-items: stretch;
    flex-direction: column-reverse;
    gap: 12px;
  }
  .research-search { flex-basis: auto; width: 100%; }
  .research-filters {
    gap: 6px 18px;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }
  .research-filter { white-space: nowrap; }
  .research-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 16px; }
}

@media (max-width: 520px) {
  .research-grid { grid-template-columns: 1fr; }
  .research-card-media { aspect-ratio: 1.72 / 1; }
  .research-card-content { padding: 17px 16px 16px; }
}