:root {
  color-scheme: dark;
  --bg: #071017;
  --bg-soft: #0b161f;
  --panel: rgba(14, 28, 38, 0.88);
  --panel-solid: #0e1c26;
  --panel-hover: #142733;
  --line: rgba(156, 182, 197, 0.17);
  --line-strong: rgba(156, 182, 197, 0.3);
  --text: #eef6f6;
  --muted: #93a9b2;
  --faint: #607681;
  --mint: #75e4bd;
  --cyan: #72d5ef;
  --blue: #8db1ff;
  --violet: #c49cff;
  --pink: #ff9bc8;
  --amber: #f5c76a;
  --danger: #ff8f8f;
  --radius-lg: 24px;
  --radius-md: 16px;
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.28);
  --max-width: 1480px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 16% -10%, rgba(66, 198, 172, 0.17), transparent 34%),
    radial-gradient(circle at 92% 2%, rgba(103, 119, 255, 0.15), transparent 29%),
    linear-gradient(180deg, #071017 0%, #08121a 42%, #050c11 100%);
  font: 15px/1.6 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button,
select,
input {
  color: var(--text);
}

.shell {
  width: min(var(--max-width), calc(100% - 36px));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--line);
  background: rgba(7, 16, 23, 0.78);
  backdrop-filter: blur(18px);
}

.topbar-inner {
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 760;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(117, 228, 189, 0.38);
  border-radius: 12px;
  color: var(--mint);
  background: linear-gradient(145deg, rgba(117, 228, 189, 0.16), rgba(114, 213, 239, 0.07));
  box-shadow: inset 0 0 24px rgba(117, 228, 189, 0.05);
}

.brand-mark svg {
  width: 22px;
  height: 22px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  padding: 8px 11px;
  border-radius: 10px;
  color: var(--muted);
  font-size: 14px;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.hero {
  padding: 72px 0 42px;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(340px, 0.65fr);
  gap: 42px;
  align-items: end;
}

.hero-grid > * {
  min-width: 0;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 17px;
  color: var(--mint);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: currentColor;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 900px;
  margin-bottom: 20px;
  font-size: clamp(42px, 7vw, 88px);
  line-height: 0.97;
  letter-spacing: -0.062em;
  font-weight: 760;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.hero-copy {
  max-width: 820px;
  margin-bottom: 0;
  color: #afc0c7;
  font-size: clamp(16px, 1.6vw, 20px);
}

.hero-note {
  min-width: 0;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(16, 34, 44, 0.9), rgba(11, 24, 33, 0.75));
  box-shadow: var(--shadow);
}

.hero-note strong {
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}

.hero-note p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
  overflow-wrap: anywhere;
}

.metric-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 22px 0 56px;
}

.portal-summary {
  padding-top: 42px;
}

.metric-card {
  min-height: 126px;
  padding: 21px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(13, 28, 37, 0.77);
}

.metric-card .metric-value {
  display: block;
  margin-bottom: 7px;
  font-size: clamp(24px, 3vw, 40px);
  line-height: 1.1;
  letter-spacing: -0.04em;
  font-weight: 730;
}

.metric-card .metric-label {
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: 36px 0 44px;
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.section-head h2 {
  margin-bottom: 4px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.05;
  letter-spacing: -0.045em;
}

.section-head p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
}

.surface-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.surface-card {
  position: relative;
  min-height: 210px;
  display: flex;
  flex-direction: column;
  padding: 22px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(17, 34, 45, 0.93), rgba(9, 20, 28, 0.91));
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.surface-card::after {
  content: "";
  position: absolute;
  inset: auto -38px -58px auto;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  background: var(--card-accent, var(--mint));
  opacity: 0.07;
  filter: blur(2px);
}

.surface-card:hover {
  transform: translateY(-3px);
  border-color: var(--line-strong);
  background: linear-gradient(150deg, rgba(22, 43, 56, 0.96), rgba(10, 23, 31, 0.94));
}

.surface-card .card-topline,
.dataset-card .card-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 30px;
}

.surface-card .group,
.dataset-card .group {
  color: var(--muted);
  font-size: 12px;
  font-weight: 720;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.status-pill,
.tag,
.basis-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #bfd0d6;
  background: rgba(255, 255, 255, 0.035);
  font-size: 11px;
  white-space: nowrap;
}

.surface-card h3,
.dataset-card h3 {
  margin-bottom: 9px;
  font-size: 21px;
  line-height: 1.18;
  letter-spacing: -0.025em;
}

.surface-card p,
.dataset-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 14px;
}

.card-link {
  margin-top: auto;
  padding-top: 20px;
  color: var(--mint);
  font-size: 13px;
  font-weight: 700;
}

.controls-panel {
  position: sticky;
  top: 78px;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(250px, 1.5fr) repeat(3, minmax(150px, 0.7fr));
  gap: 10px;
  margin: 18px 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(8, 19, 27, 0.87);
  backdrop-filter: blur(18px);
}

.control {
  position: relative;
}

.control input,
.control select {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  outline: none;
  background: var(--panel-solid);
}

.control input:focus,
.control select:focus {
  border-color: rgba(117, 228, 189, 0.55);
  box-shadow: 0 0 0 3px rgba(117, 228, 189, 0.08);
}

.catalog-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin: 16px 2px;
  color: var(--muted);
  font-size: 13px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.dataset-card {
  min-height: 290px;
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(12, 25, 34, 0.84);
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease;
}

.dataset-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  background: rgba(17, 34, 44, 0.92);
}

.dataset-card .card-topline {
  margin-bottom: 20px;
}

.dataset-card .dataset-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin: 20px 0;
}

.mini-metric {
  padding: 10px;
  border: 1px solid rgba(156, 182, 197, 0.12);
  border-radius: 11px;
  background: rgba(0, 0, 0, 0.12);
}

.mini-metric strong,
.mini-metric span {
  display: block;
}

.mini-metric strong {
  font-size: 14px;
}

.mini-metric span {
  margin-top: 2px;
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.dataset-card .supervision {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid rgba(156, 182, 197, 0.12);
  color: #c5d4da;
  font-size: 12px;
}

.empty-state {
  grid-column: 1 / -1;
  padding: 56px 20px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-md);
  color: var(--muted);
  text-align: center;
}

.method-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.method-card {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(10, 23, 31, 0.76);
}

.method-card strong {
  display: block;
  margin-bottom: 7px;
}

.method-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 13px;
}

.footer {
  margin-top: 42px;
  padding: 32px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 12px;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 22px;
}

/* Detail pages */
.detail-hero {
  padding: 56px 0 30px;
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 26px;
  color: var(--muted);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: var(--mint);
}

.detail-hero h1 {
  max-width: 1080px;
  margin-bottom: 16px;
  font-size: clamp(38px, 6vw, 74px);
}

.detail-subtitle {
  max-width: 900px;
  margin-bottom: 20px;
  color: var(--muted);
  font-size: 17px;
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.detail-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
  gap: 18px;
  align-items: start;
  padding-bottom: 56px;
}

.detail-main,
.detail-aside {
  display: grid;
  gap: 14px;
}

.detail-aside {
  position: sticky;
  top: 82px;
}

.detail-panel {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(12, 25, 34, 0.86);
}

.detail-panel h2,
.detail-panel h3 {
  margin-bottom: 15px;
  letter-spacing: -0.025em;
}

.detail-panel h2 {
  font-size: 22px;
}

.detail-panel h3 {
  font-size: 16px;
}

.detail-panel p:last-child {
  margin-bottom: 0;
}

.detail-copy {
  color: #bed0d6;
}

.fact-list {
  display: grid;
  grid-template-columns: minmax(135px, 0.45fr) minmax(0, 1fr);
  gap: 10px 16px;
  margin: 0;
}

.fact-list dt {
  color: var(--muted);
}

.fact-list dd {
  margin: 0;
  overflow-wrap: anywhere;
}

.detail-metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.detail-metric {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
}

.detail-metric strong,
.detail-metric span {
  display: block;
}

.detail-metric strong {
  margin-bottom: 4px;
  font-size: clamp(17px, 2vw, 23px);
  line-height: 1.2;
}

.detail-metric span {
  color: var(--muted);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.notice {
  padding: 14px 15px;
  border-left: 3px solid var(--amber);
  border-radius: 8px 12px 12px 8px;
  background: rgba(245, 199, 106, 0.07);
  color: #dbcda8;
  font-size: 13px;
}

.source-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--mint);
  font-weight: 700;
  font-size: 13px;
}

.source-link:hover {
  text-decoration: underline;
}

.related-links {
  display: grid;
  gap: 8px;
}

.related-link {
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 11px;
  color: #bed0d6;
  background: rgba(255, 255, 255, 0.025);
  font-size: 13px;
}

.related-link:hover {
  border-color: var(--line-strong);
  color: var(--text);
}

@media (max-width: 1100px) {
  .surface-grid,
  .catalog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (max-width: 820px) {
  .nav-links {
    display: none;
  }

  .hero {
    padding-top: 48px;
  }

  .hero-grid,
  .detail-layout {
    grid-template-columns: 1fr;
  }

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

  .detail-aside {
    position: static;
  }
}

@media (max-width: 620px) {
  .shell {
    width: min(100% - 22px, var(--max-width));
  }

  .hero {
    padding-top: 38px;
  }

  h1 {
    font-size: clamp(38px, 13vw, 50px);
    line-height: 1.01;
    word-break: break-all;
  }

  .metric-strip,
  .surface-grid,
  .catalog-grid,
  .method-grid,
  .controls-panel,
  .detail-metrics {
    grid-template-columns: 1fr;
  }

  .controls-panel {
    position: static;
  }

  .metric-card {
    min-height: 0;
  }

  .section-head,
  .catalog-meta,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .fact-list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .fact-list dd {
    margin-bottom: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
  }
}