@import url('https://fonts.googleapis.com/css2?family=Inter:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400&display=swap');

:root {
  --bg:           #F7F8FA;
  --surface:      #FFFFFF;
  --surface-2:    #F2F5F9;
  --surface-3:    #E8EEF5;
  --text:         #111315;
  --muted:        #52606D;
  --line:         #D8E0E8;
  --accent:       #2D72D2;       /* Blueprint Cobalt3 — readable on white */
  --accent-2:     #215DB0;       /* Blueprint Cobalt2 — primary action */
  --accent-mint:  #3DCC91;       /* Blueprint Green3 — hero eyebrow only */
  --accent-alert: #C23030;
  --header-bg:    #FFFFFF;
  --header-text:  #111315;
  --font-body:    "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono:    "JetBrains Mono", "Cascadia Code", ui-monospace, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  letter-spacing: 0.003em;
  font-size: 15px;
}

a {
  color: var(--accent-2);
  text-decoration: none;
}

a:hover { text-decoration: underline; color: var(--accent-2); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(12px);
}

.topline {
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
}

.topline a {
  color: var(--muted);
}

.topline a:hover {
  color: var(--text);
  text-decoration: none;
}

.topline .container {
  display: flex;
  justify-content: space-between;
  padding: 0.45rem 0;
  gap: 1rem;
  flex-wrap: wrap;
}

.main-nav {
  padding: 0.63rem 0;
}

.main-nav .brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: var(--text);
  font-weight: 800;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-size: 0.88rem;
}

.main-nav .brand img {
  height: 82px;
  width: auto;
  object-fit: contain;
}

.main-nav .nav-link,
.main-nav .dropdown-item {
  color: var(--muted) !important;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.11em;
  font-weight: 500;
  transition: color 0.15s ease;
}

.main-nav .nav-link:hover,
.main-nav .dropdown-item:hover,
.main-nav .nav-link.active {
  color: var(--text) !important;
}

.main-nav .dropdown-menu {
  background: #FFFFFF;
  border: 1px solid var(--line);
  border-radius: 2px;
  box-shadow: 0 4px 16px rgba(17,19,21,0.10);
}

.page-hero {
  border-bottom: 1px solid #BFCFE8;
  background:
    radial-gradient(ellipse 80% 60% at 70% 20%, rgba(45,114,210,0.22) 0%, transparent 65%),
    radial-gradient(ellipse 50% 45% at 10% 80%, rgba(45,114,210,0.13) 0%, transparent 58%),
    linear-gradient(160deg, #1A4A8A 0%, #1E5FAD 40%, #2D72D2 100%);
  color: #ffffff;
  padding: 5.5rem 0 4rem;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none;
}

.hero-eyebrow {
  color: rgba(255,255,255,0.75);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  font-weight: 700;
  margin-bottom: 1.1rem;
  font-family: var(--font-mono);
}

.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 4vw, 3.5rem);
  letter-spacing: -0.03em;
  margin-bottom: 1.1rem;
  line-height: 1.09;
}

.page-hero p {
  color: rgba(255,255,255,0.82);
  max-width: 820px;
  font-size: 1.06rem;
  line-height: 1.68;
}

.btn-primary-theme {
  background: var(--accent-2);
  border: 1px solid var(--accent-2);
  color: #ffffff;
  border-radius: 2px;
  padding: 0.65rem 1.35rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.75rem;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.btn-secondary-theme {
  background: transparent;
  border: 1px solid rgba(17,19,21,0.32);
  color: var(--text);
  border-radius: 2px;
  padding: 0.65rem 1.35rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  font-size: 0.75rem;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.section-block {
  padding: 4.2rem 0;
  border-bottom: 1px solid var(--line);
}

.section-title {
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.69rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
}

.section-block h2 {
  margin-bottom: 1.2rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 2.4vw, 2.2rem);
  letter-spacing: -0.025em;
  line-height: 1.13;
  color: var(--text);
}

.section-block p,
.section-block li,
.muted {
  color: var(--muted);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding: 1.4rem;
  height: 100%;
  box-shadow: 0 1px 3px rgba(17,19,21,0.05), 0 4px 16px rgba(17,19,21,0.06);
  transition: border-left-color 0.2s ease, box-shadow 0.2s ease;
}

.panel:hover {
  border-left-color: var(--accent);
  box-shadow: 0 2px 6px rgba(17,19,21,0.08), 0 10px 28px rgba(17,19,21,0.09);
}

.panel h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  margin-bottom: 0.65rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.card-link {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.86rem;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: gap 0.15s ease;
  text-decoration: none;
}

.card-link:hover {
  text-decoration: none;
  gap: 0.55rem;
  color: var(--accent);
}

.resource-list a {
  display: block;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  transition: color 0.15s ease, padding-left 0.15s ease, background 0.15s ease;
}

.resource-list a:hover {
  color: var(--accent-2);
  padding-left: 0.75rem;
  background: rgba(45,114,210,0.04);
  text-decoration: none;
}

.cta-band {
  background: #EBF2FB;
  border: 1px solid #C5D8F5;
  border-left: 3px solid var(--accent);
  padding: 2.2rem;
}

.cta-band h2 { color: var(--text); }

footer {
  padding: 3.2rem 0 2rem;
  background: #04070B;
  border-top: 1px solid rgba(255,255,255,0.06);
}

footer h5 {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--accent);
  font-family: var(--font-mono);
  margin-bottom: 1rem;
}

footer a {
  color: rgba(240,244,248,0.52);
  font-size: 0.88rem;
  transition: color 0.15s ease;
}

footer a:hover { color: var(--header-text); text-decoration: none; }

footer .small,
footer li,
footer p {
  color: rgba(240,244,248,0.42);
}

.dark-input,
.form-control,
.form-select,
textarea {
  background: var(--surface) !important;
  border: 1px solid var(--line) !important;
  color: var(--text) !important;
  border-radius: 2px !important;
}

.form-control::placeholder,
textarea::placeholder {
  color: #9AAFBF;
}

.table-dark-theme {
  --bs-table-bg: var(--surface);
  --bs-table-border-color: var(--line);
  --bs-table-color: var(--text);
  --bs-table-striped-bg: var(--surface-2);
  --bs-table-hover-bg: rgba(45,114,210,0.05);
  --bs-table-striped-color: var(--text);
  --bs-table-hover-color: var(--text);
}

.embed-frame {
  border: 1px solid var(--line);
  width: 100%;
  min-height: 520px;
  background: #ffffff;
}

.badge-pill {
  background: #EBF2FF;
  border: 1px solid #BFCFE8;
  color: var(--accent-2);
  font-size: 0.7rem;
  letter-spacing: 0.06em;
  font-family: var(--font-mono);
}

/* ── Shared slider nav button ── */
.slider-nav-btn {
  width: 2.2rem;
  height: 2.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  border-radius: 2px;
  flex: 0 0 auto;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, opacity 0.18s ease;
  line-height: 1;
  padding: 0;
}
.slider-nav-btn:hover:not(:disabled) {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
}
.slider-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* ── Video embed override (reduced height inside panel) ── */
.video-panel-frame {
  border: 1px solid var(--line);
  width: 100%;
  min-height: 295px;
  background: #000;
}

/* ── Dataset grid ── */
.dataset-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 575.98px) {
  .dataset-grid { grid-template-columns: 1fr; }
}
.dataset-card {
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-left: 2px solid transparent;
  padding: 0.75rem;
  transition: border-left-color 0.18s ease, background 0.18s ease;
}
.dataset-card:hover {
  border-left-color: var(--accent);
  background: var(--surface);
}
.dataset-name {
  color: var(--text);
  font-size: 0.88rem;
  text-decoration: none;
  font-weight: 500;
}
.dataset-name:hover { color: var(--accent); text-decoration: none; }
.dataset-tag {
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  background: #EBF2FF;
  border: 1px solid #BFCFE8;
  color: var(--accent-2);
  padding: 0.15rem 0.42rem;
  white-space: nowrap;
  margin-left: 0.4rem;
  flex-shrink: 0;
  font-family: var(--font-mono);
}
.dataset-desc {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0.35rem 0 0;
  line-height: 1.4;
}

/* ── Insight (news) cards ── */
.insight-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-top: 2px solid transparent;
  padding: 1.4rem 1.3rem 1.5rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  box-shadow: 0 1px 3px rgba(17,19,21,0.06), 0 4px 16px rgba(17,19,21,0.07);
  transition: box-shadow 0.2s ease, transform 0.2s ease, border-top-color 0.2s ease;
}
.insight-card:hover {
  box-shadow: 0 4px 16px rgba(17,19,21,0.1), 0 10px 32px rgba(17,19,21,0.1);
  transform: translateY(-3px);
  border-top-color: var(--accent);
}
.insight-card.spotlight {
  border-left: 3px solid var(--accent);
  background: linear-gradient(135deg, rgba(45,114,210,0.05) 0%, var(--surface) 55%);
}
.insight-tag {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent-2);
  font-weight: 700;
  margin-bottom: 0.6rem;
  font-family: var(--font-mono);
}
.insight-card.spotlight .insight-tag {
  color: var(--accent-2);
}
.insight-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1.38;
  margin-bottom: 0.68rem;
  color: var(--text);
  text-decoration: none;
  display: block;
}
.insight-title:hover {
  color: var(--accent-2);
  text-decoration: underline;
}
.insight-excerpt {
  font-size: 0.83rem;
  color: var(--muted);
  line-height: 1.55;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.commentary-band .commentary-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  padding: 1.5rem;
  min-height: 220px;
  box-shadow: 0 1px 3px rgba(17,19,21,0.06), 0 4px 16px rgba(17,19,21,0.07);
}

.commentary-band .commentary-label {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.68rem;
  color: var(--accent-2);
  font-weight: 700;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
}

.commentary-band .commentary-title a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.commentary-band .commentary-title a:hover {
  color: var(--accent-2);
  text-decoration: underline;
}

.commentary-band .commentary-abstract {
  color: var(--muted);
  margin-bottom: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.65;
}

.commentary-band .commentary-meta {
  color: #8A9BB0;
  font-size: 0.83rem;
}

.commentary-band .commentary-nav {
  display: inline-flex;
  gap: 0.5rem;
}

.commentary-band .commentary-nav button {
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  border-radius: 2px;
  transition: background 0.18s ease, border-color 0.18s ease;
}

.commentary-band .commentary-nav button:hover:not(:disabled) {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
}

.commentary-band .commentary-nav button:disabled {
  opacity: 0.32;
  cursor: not-allowed;
}

.opinion-article-hero { padding-bottom: 2.2rem; }

.opinion-article-body {
  background: var(--surface);
  border: 1px solid var(--line);
  padding: 2rem 2.4rem;
  box-shadow: 0 1px 3px rgba(17,19,21,0.05), 0 4px 16px rgba(17,19,21,0.06);
}

.opinion-article-body h2,
.opinion-article-body h3 {
  margin-top: 1.8rem;
  color: var(--text);
  letter-spacing: -0.01em;
}

.opinion-article-body h3 {
  font-size: 0.82rem;
  color: var(--accent-2);
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.opinion-article-body p {
  color: var(--muted);
  line-height: 1.78;
  font-size: 0.97rem;
}

.opinion-article-body .article-meta {
  color: #8A9BB0;
  margin-bottom: 1rem;
}

.partners-band {
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}

.partners-band .container {
  position: relative;
}

.partners-carousel {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.partners-wrapper {
  flex: 1 1 auto;
  overflow: hidden;
}

.partners-track {
  display: flex;
  gap: 1rem;
  transition: transform 0.35s ease;
  will-change: transform;
}

.partner-logo-item {
  flex: 0 0 calc((100% - 3rem) / 4);
  min-height: 112px;
  background: var(--surface);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.partner-logo-item:hover {
  border-color: #BFCFE8;
  box-shadow: 0 2px 12px rgba(45,114,210,0.08);
}

.partner-logo-item img {
  display: block;
  max-width: 100%;
  max-height: 72px;
  object-fit: contain;
  filter: saturate(0) opacity(0.55);
  transition: filter 0.25s ease;
}

.partner-logo-item:hover img {
  filter: saturate(0.2) opacity(0.85);
}

.partners-nav-btn {
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 2px;
  transition: background 0.18s ease, border-color 0.18s ease, color 0.18s ease, opacity 0.18s ease;
}

.partners-nav-btn:hover:not(:disabled) {
  background: var(--accent-2);
  border-color: var(--accent-2);
  color: #fff;
}

.partners-nav-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

@media (max-width: 1199.98px) {
  .partner-logo-item {
    flex-basis: calc((100% - 2rem) / 3);
  }
}

@media (max-width: 767.98px) {
  .partners-carousel {
    gap: 0.6rem;
  }

  .partner-logo-item {
    flex-basis: calc((100% - 1rem) / 2);
    min-height: 104px;
  }
}

@media (max-width: 575.98px) {
  .partners-carousel {
    flex-wrap: wrap;
  }

  .partners-wrapper {
    order: 1;
    width: 100%;
  }

  .partners-nav-btn {
    order: 2;
  }

  .partner-logo-item {
    flex-basis: 100%;
  }
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  letter-spacing: -0.018em;
  color: var(--text);
}

.btn-primary-theme:hover,
.btn-primary-theme:focus {
  background: #1A4F9F;
  border-color: #1A4F9F;
  color: #ffffff;
}

.btn-secondary-theme:hover,
.btn-secondary-theme:focus {
  background: #F2F5F9;
  border-color: rgba(17,19,21,0.52);
  color: var(--text);
}

@media (max-width: 991px) {
  .main-nav .nav-link { padding-left: 0; }
  .page-hero { padding-top: 3.8rem; }
}