:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --ink: #1a1a1a;
  --muted: #5c5c5c;
  --border: #e2e0da;
  --accent: #1f4b3a;
  --accent-soft: #e8f0ec;
  --link: #1a4d8c;
  --max: 44rem;
  --wide: 56rem;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, serif;
  --sans: "IBM Plex Sans", "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background: var(--bg);
  font-family: var(--sans);
  font-size: 1.05rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--link); text-decoration-thickness: 1px; text-underline-offset: 0.15em; }
a:hover { text-decoration-thickness: 2px; }

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

.wrap-narrow {
  width: min(100% - 2rem, var(--max));
  margin: 0 auto;
}

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

.site-header .inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
}

.brand {
  font-family: var(--serif);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.brand:hover { text-decoration: none; color: var(--accent); }

.nav {
  display: flex;
  gap: 1.25rem;
  font-size: 0.95rem;
}

.nav a { color: var(--muted); text-decoration: none; }
.nav a:hover { color: var(--ink); }

.hero {
  padding: 3.25rem 0 2.5rem;
  border-bottom: 1px solid var(--border);
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--bg) 100%);
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 0.85rem;
  font-family: var(--serif);
  font-size: clamp(1.9rem, 4vw, 2.6rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  font-weight: 650;
}

.lede {
  margin: 0;
  max-width: 38rem;
  color: var(--muted);
  font-size: 1.12rem;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  margin-top: 1.75rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.7rem 1.05rem;
  border-radius: 0.4rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
}

.btn:hover { filter: brightness(1.05); text-decoration: none; }

.btn-secondary {
  background: transparent;
  color: var(--accent);
}

.section {
  padding: 2.5rem 0;
}

.section h2 {
  margin: 0 0 1rem;
  font-family: var(--serif);
  font-size: 1.45rem;
  letter-spacing: -0.015em;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.55rem;
  padding: 1.15rem 1.2rem;
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.02rem;
}

.card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.latest {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  padding: 1.35rem 1.4rem;
}

.latest .meta {
  margin: 0 0 0.35rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.latest h3 {
  margin: 0 0 0.5rem;
  font-family: var(--serif);
  font-size: 1.25rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.75rem 0 2.5rem;
  color: var(--muted);
  font-size: 0.88rem;
}

.site-footer p { margin: 0.35rem 0; }

/* Brief page */
.brief-header {
  padding: 2.4rem 0 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.brief-header h1 {
  font-size: clamp(1.65rem, 3.5vw, 2.15rem);
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.1rem;
  margin: 0.85rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.meta-row strong { color: var(--ink); font-weight: 600; }

.disclosure {
  margin-top: 1.15rem;
  padding: 0.9rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 0.92rem;
}

.brief-body {
  padding: 2rem 0 3rem;
}

.brief-body h2 {
  margin: 2.1rem 0 0.85rem;
  padding-top: 0.4rem;
  font-family: var(--serif);
  font-size: 1.35rem;
  border-top: 1px solid var(--border);
}

.brief-body h2:first-child { border-top: 0; margin-top: 0; padding-top: 0; }

.brief-body h3 {
  margin: 1.5rem 0 0.65rem;
  font-size: 1.05rem;
}

.brief-body ul, .brief-body ol {
  padding-left: 1.25rem;
}

.brief-body li { margin: 0.45rem 0; }

.brief-body p { margin: 0.75rem 0; }

.table-wrap {
  width: 100%;
  overflow-x: auto;
  margin: 1rem 0 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  background: var(--surface);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th, td {
  padding: 0.7rem 0.8rem;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
}

th {
  background: #f0eee8;
  font-weight: 600;
  white-space: nowrap;
}

tr:last-child td { border-bottom: 0; }

td a { word-break: break-word; }

.sources ol { padding-left: 1.2rem; }
.sources li { margin: 0.35rem 0; font-size: 0.95rem; }

.note {
  color: var(--muted);
  font-size: 0.92rem;
}

.toc {
  margin: 1.25rem 0 0;
  padding: 0.9rem 1rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.45rem;
  font-size: 0.92rem;
}

.toc strong { display: block; margin-bottom: 0.35rem; }
.toc a { display: inline-block; margin-right: 0.85rem; color: var(--muted); text-decoration: none; }
.toc a:hover { color: var(--link); text-decoration: underline; }

@media (max-width: 640px) {
  .site-header .inner { flex-direction: column; align-items: flex-start; }
  th, td { padding: 0.55rem 0.6rem; }
}