:root {
  --paper: #f3eee4;
  --ink: #1b1714;
  --muted: #5c534a;
  --line: #d7cfc3;
  --accent: #9c3b24;
  --card: #fffdf8;
  --warn: #6b4e16;
  --warn-bg: #f3e6c8;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, "Segoe UI", "Apple SD Gothic Neo", sans-serif;
  font-size: 1.05rem;
  line-height: 1.6;
}

a {
  color: var(--accent);
}

a:hover {
  text-decoration-thickness: 2px;
}

.skip {
  position: absolute;
  left: -999px;
  top: 0;
}

.skip:focus {
  left: 1rem;
  top: 1rem;
  background: var(--card);
  padding: 0.4rem 0.7rem;
  z-index: 10;
}

.note {
  background: var(--warn-bg);
  color: var(--warn);
  font-size: 0.85rem;
  padding: 0.55rem 1.2rem;
  text-align: center;
}

header,
footer {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.2rem 1.2rem 0;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  border-bottom: 1px solid var(--line);
  padding-bottom: 0.9rem;
}

.mark {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  letter-spacing: -0.02em;
}

nav {
  display: flex;
  gap: 0.9rem;
  font-size: 0.92rem;
}

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

nav a:hover,
nav a[aria-current="page"] {
  color: var(--ink);
}

main {
  max-width: 44rem;
  margin: 0 auto;
  padding: 1.6rem 1.2rem 4rem;
}

h1,
h2,
h3 {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

h1 {
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  margin: 0 0 0.6rem;
}

h2 {
  font-size: 1.35rem;
  margin: 2.2rem 0 0.7rem;
}

h3 {
  font-size: 1.1rem;
  margin: 1.4rem 0 0.4rem;
}

.lede {
  font-size: 1.15rem;
  color: var(--muted);
  margin: 0 0 1.4rem;
}

.meta {
  color: var(--muted);
  font-size: 0.88rem;
  margin: 0 0 1.4rem;
}

.cards {
  display: grid;
  gap: 0.9rem;
  margin: 1.6rem 0 2rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  text-decoration: none;
  color: inherit;
  display: block;
}

.card:hover {
  border-color: var(--ink);
}

.card strong {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 1.15rem;
  display: block;
  margin-bottom: 0.3rem;
}

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

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
  background: var(--card);
}

th,
td {
  text-align: left;
  vertical-align: top;
  padding: 0.7rem 0.75rem;
  border-bottom: 1px solid var(--line);
}

th {
  font-weight: 600;
  width: 28%;
  color: var(--muted);
}

.scroll {
  overflow-x: auto;
  margin: 1rem 0 1.4rem;
}

.callout {
  background: var(--card);
  border-left: 3px solid var(--accent);
  padding: 0.8rem 1rem;
  margin: 1.2rem 0;
}

.bridge {
  background: #e7eee8;
  border: 1px solid #c6d6ca;
  border-left: 3px solid #587565;
  padding: 0.95rem 1rem 1rem;
  margin: 1.4rem 0 1.8rem;
}

.bridge-kicker {
  color: #365341;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.75rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.bridge-title {
  font-family: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0 0 0.25rem;
}

.bridge-copy {
  color: #4c5e51;
  font-size: 0.9rem;
  margin: 0 0 0.5rem;
}

.bridge .cta {
  margin-top: 0.2rem;
}

.bridge-caption {
  color: #756b62;
  font-size: 0.78rem;
  margin: 0.75rem 0 0;
  border-top: 1px solid var(--line);
  padding-top: 0.6rem;
}

.sources {
  font-size: 0.9rem;
  color: var(--muted);
}

.sources li {
  margin: 0.3rem 0;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #fffdf8;
  text-decoration: none;
  padding: 0.55rem 0.9rem;
  margin: 0.3rem 0.4rem 0.3rem 0;
}

.cta:hover {
  filter: brightness(1.08);
}

.cta.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

footer {
  border-top: 1px solid var(--line);
  padding: 1.2rem;
  color: var(--muted);
  font-size: 0.88rem;
}

footer p {
  margin: 0.3rem 0;
}

@media (max-width: 640px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
  }

  th {
    width: 36%;
  }
}