:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-muted: #eef3f9;
  --text: #142033;
  --text-soft: #49607d;
  --line: #d8e1ef;
  --brand: #163a72;
  --brand-soft: #e8f0ff;
  --accent: #7c3aed;
  --success: #0f766e;
  --danger: #9f1239;
  --shadow: 0 14px 40px rgba(15, 23, 42, 0.08);
  --radius: 18px;
  --radius-sm: 12px;
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f7f9fc 0%, #edf3fb 100%);
  line-height: 1.6;
}

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

a:hover {
  text-decoration: underline;
}

img {
  max-width: 100%;
  display: block;
}

main {
  min-height: 60vh;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: #fff;
  padding: 0.75rem 1rem;
  z-index: 999;
}

.skip-link:focus {
  left: 1rem;
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(247, 249, 252, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(216, 225, 239, 0.7);
}

.header-inner {
  display: flex;
  align-items: center;
  min-height: 76px;
}

.brand {
  display: inline-flex;
  flex-direction: column;
  line-height: 1.1;
  text-decoration: none;
}

.brand-mark {
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--text);
}

.brand-sub {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.site-nav {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  flex-wrap: wrap;
}

.site-nav a,
.header-search,
.nav-toggle,
.button,
.pagination button,
.filter-bar select,
.filter-bar input {
  border-radius: 999px;
}

.site-nav a,
.header-search {
  padding: 0.55rem 0.9rem;
  color: var(--text);
}

.site-nav a[aria-current="page"] {
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 600;
}

.header-search {
  background: var(--surface);
  border: 1px solid var(--line);
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 0.55rem 0.9rem;
  color: var(--text);
}

.site-notice {
  background: #fef3c7;
  color: #78350f;
  font-size: 0.94rem;
  border-bottom: 1px solid #fde68a;
}

.site-notice .container {
  padding: 0.75rem 0;
}

.hero {
  padding: 5rem 0 3rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 1rem;
}

.hero h1,
.page-hero h1 {
  font-size: clamp(2.4rem, 4vw, 4.6rem);
  line-height: 1.08;
  margin: 0 0 1rem;
}

.hero p,
.page-hero p,
.lead {
  font-size: 1.08rem;
  color: var(--text-soft);
}

.hero-actions,
.inline-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 46px;
  padding: 0 1.1rem;
  background: var(--brand);
  color: #fff;
  border: 1px solid var(--brand);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.button:hover {
  text-decoration: none;
  opacity: 0.96;
}

.button.secondary {
  background: var(--surface);
  color: var(--brand);
}

.button.ghost {
  background: transparent;
  color: var(--brand);
}

.hero-card,
.card,
.metric,
.list-card,
.filter-card,
.notice-card,
.page-section,
.detail-card {
  background: var(--surface);
  border: 1px solid rgba(216, 225, 239, 0.8);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  overflow: hidden;
}

.hero-card img {
  aspect-ratio: 4 / 3;
  object-fit: cover;
  width: 100%;
}

.hero-card .hero-caption {
  padding: 1rem 1.2rem 1.3rem;
  color: var(--text-soft);
  font-size: 0.96rem;
}

.section {
  padding: 1.25rem 0 3rem;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  margin-bottom: 1.25rem;
}

.section-heading h2,
.page-section h2,
.page-section h3,
.card h3,
.detail-card h2 {
  margin: 0;
}

.grid {
  display: grid;
  gap: 1.25rem;
}

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

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card,
.metric,
.list-card,
.notice-card,
.detail-card,
.page-section,
.filter-card {
  padding: 1.25rem;
}

.card img.card-media,
.detail-media {
  width: 100%;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.muted,
.meta,
.list-meta,
.small {
  color: var(--text-soft);
}

.metric strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 0.3rem;
}

.topic-tags,
.tag-row,
.people-tags,
.filter-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.tag,
.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  padding: 0 0.8rem;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--text);
  font-size: 0.9rem;
}

.page-hero {
  padding: 4rem 0 2rem;
}

.page-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 1.5rem;
  align-items: start;
}

.sidebar {
  display: grid;
  gap: 1rem;
}

.page-stack,
.list-stack {
  display: grid;
  gap: 1rem;
}

.filter-bar {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.filter-bar input,
.filter-bar select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  background: #fff;
  padding: 0 1rem;
  color: var(--text);
}

.filter-summary {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  margin-bottom: 1rem;
  color: var(--text-soft);
}

.list-card h3,
.publication-item h3 {
  margin-bottom: 0.55rem;
}

.list-card p,
.publication-item p {
  margin: 0.35rem 0;
}

.publication-links,
.inline-list {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.pagination {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.pagination button {
  min-width: 42px;
  height: 42px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  padding: 0 0.9rem;
  cursor: pointer;
}

.pagination button.active {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
}

.callout {
  padding: 1rem 1.1rem;
  border-left: 4px solid var(--accent);
  background: #f5f3ff;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.kv {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0.55rem 1rem;
}

.kv dt {
  font-weight: 700;
}

.kv dd {
  margin: 0;
  color: var(--text-soft);
}

.site-footer {
  margin-top: 4rem;
  background: #0f172a;
  color: #e5eef9;
  padding: 2.5rem 0 1rem;
}

.site-footer a {
  color: #bfdbfe;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 0.85fr;
  gap: 1.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.5rem;
}

.footer-small,
.footer-meta {
  color: #b7c5db;
}

.footer-meta {
  border-top: 1px solid rgba(191, 219, 254, 0.15);
  margin-top: 1.5rem;
  padding-top: 1rem;
  font-size: 0.92rem;
}

.include-error,
.empty-state {
  padding: 1rem;
  border-radius: var(--radius-sm);
  background: #fff7ed;
  border: 1px solid #fed7aa;
  color: #9a3412;
}

.code-note {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.people-grid .card img {
  aspect-ratio: 4 / 4.2;
  object-fit: cover;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.news-list .list-card,
.archive-list .list-card {
  border-left: 4px solid var(--brand);
}

@media (max-width: 980px) {
  .hero-grid,
  .page-layout,
  .footer-grid,
  .grid.cols-4,
  .grid.cols-3,
  .grid.cols-2,
  .filter-bar {
    grid-template-columns: 1fr;
  }

  .header-inner {
    grid-template-columns: auto auto auto;
  }

  .nav-toggle {
    display: inline-flex;
  }

  .site-nav {
    display: none;
    grid-column: 1 / -1;
    width: 100%;
    justify-content: flex-start;
    padding-bottom: 0.75rem;
  }

  .site-nav.is-open {
    display: flex;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 3.5rem;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 2.3rem;
  }

  .section-heading,
  .filter-summary {
    flex-direction: column;
    align-items: start;
  }

  .kv {
    grid-template-columns: 1fr;
  }
}

@media print {
  .site-header,
  .site-footer,
  .site-notice,
  .nav-toggle,
  .header-search,
  .hero-actions,
  .pagination,
  .filter-bar {
    display: none !important;
  }

  body {
    background: #fff;
  }

  .card,
  .detail-card,
  .page-section,
  .list-card {
    box-shadow: none;
    border: 1px solid #cbd5e1;
  }
}