/* Research hub — page styles (external so SEO head rewrite cannot strip them) */
.research-hero {
  background: linear-gradient(145deg, #0D1B2E 0%, #152a45 48%, #0a1628 100%);
  padding: 96px 0 56px;
  position: relative;
  overflow: hidden;
}
.research-hero::before {
  content: "";
  position: absolute;
  top: -18%;
  right: -6%;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(8, 106, 216, 0.16) 0%, transparent 68%);
  pointer-events: none;
}
.research-hero-inner {
  position: relative;
  z-index: 1;
}
.research-hero-eyebrow {
  font-family: Rubik, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #4a9eff;
  margin: 0 0 14px;
}
.research-hero h1 {
  font-family: Poppins, sans-serif;
  font-size: clamp(2.2rem, 4.4vw, 3.4rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 16px;
  line-height: 1.1;
}
.research-hero-sub {
  font-family: Rubik, sans-serif;
  font-size: 1.05rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.72);
  margin: 0 0 36px;
  max-width: 62ch;
}
.research-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 20px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  width: 100%;
}
.rh-stat-num {
  font-family: Poppins, sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 6px;
}
.rh-stat-label {
  font-family: Rubik, sans-serif;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.45;
}

.featured-section {
  background: #f5f8fb;
  padding: 72px 0;
}
.featured-eyebrow {
  font-family: Rubik, sans-serif;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: #086ad8;
  margin: 0 0 20px;
}
.featured-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  gap: 48px;
  align-items: center;
}
.featured-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: Rubik, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: #086ad8;
  margin-bottom: 14px;
}
.featured-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #086ad8;
  box-shadow: 0 0 0 4px rgba(8, 106, 216, 0.15);
}
.featured-title {
  font-family: Poppins, sans-serif;
  font-size: clamp(1.55rem, 2.6vw, 2.15rem);
  font-weight: 800;
  color: #0d1b2e;
  line-height: 1.2;
  margin: 0 0 18px;
}
.featured-title span {
  color: #086ad8;
}
.featured-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 0 0 16px;
}
.featured-meta-item {
  font-family: Rubik, sans-serif;
  font-size: 0.84rem;
  color: #667788;
}
.featured-meta-item strong {
  color: #0d1b2e;
  font-weight: 600;
}
.featured-desc {
  font-family: Rubik, sans-serif;
  font-size: 0.98rem;
  line-height: 1.7;
  color: #556677;
  margin: 0 0 24px;
  max-width: 560px;
}
.featured-stats-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 28px;
  padding: 18px 0;
  border-top: 1px solid #dde6ef;
  border-bottom: 1px solid #dde6ef;
}
.fs-num {
  font-family: Poppins, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: #0d1b2e;
  margin-bottom: 4px;
}
.fs-label {
  font-family: Rubik, sans-serif;
  font-size: 0.8rem;
  color: #778899;
  line-height: 1.45;
}
.featured-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.btn-feat-primary,
.btn-feat-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: Poppins, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 13px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
}
.btn-feat-primary {
  background: #086ad8;
  color: #fff;
  border: 1.5px solid #086ad8;
}
.btn-feat-primary:hover {
  background: #0656b0;
  border-color: #0656b0;
}
.btn-feat-secondary {
  background: #fff;
  color: #0d1b2e;
  border: 1.5px solid #c8d4e0;
}
.btn-feat-secondary:hover {
  border-color: #086ad8;
  color: #086ad8;
}
.featured-cover {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 18px 48px rgba(13, 27, 46, 0.18);
  background: #0d1b2e;
}
.featured-cover img {
  width: 100%;
  height: auto;
  display: block;
}
.featured-cover-badge {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: rgba(13, 27, 46, 0.88);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 12px 14px;
}
.fcb-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #086ad8;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.fcb-text {
  font-family: Rubik, sans-serif;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.45;
}
.fcb-text strong {
  display: block;
  color: #fff;
  font-family: Poppins, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.filter-bar {
  background: #fff;
  border-bottom: 1px solid #e4ebf2;
  position: sticky;
  top: 0;
  z-index: 40;
}
.filter-bar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 14px 0;
}
.filter-btn {
  font-family: Poppins, sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #556677;
  background: #f3f6f9;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s, border-color 0.15s;
}
.filter-btn:hover {
  color: #086ad8;
  background: #eaf3fc;
}
.filter-btn.active {
  color: #fff;
  background: #086ad8;
  border-color: #086ad8;
}

.library-section {
  padding: 56px 0 72px;
  background: #fff;
}
.library-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
}
.library-title {
  font-family: Poppins, sans-serif;
  font-size: 1.35rem;
  font-weight: 800;
  color: #0d1b2e;
  margin: 0;
}
.library-count {
  font-family: Rubik, sans-serif;
  font-size: 0.88rem;
  color: #778899;
}

.research-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.research-card {
  position: relative;
  background: #fff;
  border: 1px solid #e4ebf2;
  border-radius: 12px;
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s, border-color 0.2s;
  text-decoration: none;
  display: block;
  color: inherit;
}
.research-card:hover {
  box-shadow: 0 10px 28px rgba(13, 27, 46, 0.1);
  transform: translateY(-2px);
  border-color: #c9d7e6;
}
.research-card.card-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  gap: 28px;
  align-items: center;
  background: linear-gradient(135deg, #0d1b2e 0%, #163353 100%);
  border-color: transparent;
  color: #fff;
  padding: 32px;
}
.research-card.card-featured .research-card-tag {
  color: #4a9eff;
  background: rgba(74, 158, 255, 0.12);
}
.research-card.card-featured h3 {
  color: #fff;
}
.research-card.card-featured p {
  color: rgba(255, 255, 255, 0.7);
}
.research-card.card-featured .research-card-meta {
  color: rgba(255, 255, 255, 0.45);
}
.research-card-tag {
  display: inline-block;
  font-family: Poppins, sans-serif;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #086ad8;
  background: #eaf3fc;
  border-radius: 4px;
  padding: 4px 8px;
  margin-bottom: 12px;
}
.research-card h3 {
  font-family: Poppins, sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  color: #0d1b2e;
  margin: 0 0 10px;
  line-height: 1.35;
  padding-right: 36px;
}
.research-card p {
  font-family: Rubik, sans-serif;
  font-size: 0.9rem;
  color: #556677;
  margin: 0 0 16px;
  line-height: 1.6;
}
.research-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  font-family: Rubik, sans-serif;
  font-size: 0.78rem;
  color: #8899aa;
}
.research-card-arrow {
  position: absolute;
  top: 24px;
  right: 24px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #f3f6f9;
  display: flex;
  align-items: center;
  justify-content: center;
}
.research-card-arrow svg {
  width: 14px;
  height: 14px;
  stroke: #086ad8;
  fill: none;
  stroke-width: 2.5;
}
.featured-card-img {
  border-radius: 10px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.06);
}
.featured-card-img img {
  width: 100%;
  height: auto;
  display: block;
}

.research-cta-band {
  background: linear-gradient(145deg, #0d1b2e 0%, #163353 100%);
  padding: 72px 0;
  text-align: center;
}
.research-cta-band h2 {
  font-family: Poppins, sans-serif;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800;
  color: #fff;
  margin: 0 0 12px;
}
.research-cta-band p {
  font-family: Rubik, sans-serif;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.65);
  margin: 0 auto 28px;
  max-width: 520px;
}
.research-cta-band .cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

@media (max-width: 900px) {
  .research-hero-stats,
  .featured-stats-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .featured-inner,
  .research-card.card-featured,
  .research-grid {
    grid-template-columns: 1fr;
  }
  .research-card h3 {
    padding-right: 0;
  }
}
@media (max-width: 560px) {
  .research-hero {
    padding: 80px 0 40px;
  }
  .research-hero-stats,
  .featured-stats-row {
    grid-template-columns: 1fr;
  }
  .featured-section,
  .library-section {
    padding: 48px 0;
  }
  .filter-bar {
    position: static;
  }
}