:root {
  --ink: #1a1a1a;
  --muted: #555;
  --accent: #c8102e;
  --rule: #ddd;
  --paper: #fff;
  --box: #f6f4f1;
  --serif: Georgia, "Times New Roman", Times, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.125rem;
  line-height: 1.65;
}

a { color: var(--accent); text-underline-offset: 2px; }
a:hover, a:focus { color: #8a0b20; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1.5rem;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1rem 1.25rem;
  border-bottom: 3px solid var(--ink);
  font-family: var(--sans);
}

.brand {
  color: var(--ink);
  font-weight: 800;
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  text-decoration: none;
}
.brand span { color: var(--accent); }

.section-label {
  margin: 0;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

main { padding: 0 1.25rem; }

article {
  max-width: 42rem;
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.hero { margin-bottom: 2rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--rule); }

.eyebrow {
  margin: 0 0 0.75rem;
  color: var(--accent);
  font-family: var(--sans);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.12;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.dek {
  margin: 0 0 1.25rem;
  color: #333;
  font-size: 1.3rem;
  line-height: 1.5;
}

.byline {
  margin: 0;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.875rem;
}

.lead::first-letter {
  float: left;
  margin: 0.35rem 0.5rem 0 0;
  color: var(--accent);
  font-size: 3.6rem;
  line-height: 0.8;
  font-weight: 700;
}

p { margin: 0 0 1.15rem; }

h2 {
  margin: 2.5rem 0 1rem;
  font-family: var(--sans);
  font-size: 1.375rem;
  line-height: 1.3;
  font-weight: 700;
}

h3 {
  margin: 1.75rem 0 0.5rem;
  font-family: var(--sans);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
}

ul, ol { margin: 0 0 1.25rem; padding-left: 1.4rem; }
li { margin-bottom: 0.6rem; }

sup { line-height: 0; font-family: var(--sans); font-size: 0.7em; }
sup a { text-decoration: none; padding: 0 0.1em; }

.key-box {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: var(--box);
  border-top: 4px solid var(--accent);
  font-family: var(--sans);
  font-size: 1rem;
  line-height: 1.55;
}
.key-box h2 {
  margin: 0 0 0.75rem;
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.key-box ul { list-style: none; padding-left: 0; }
.key-box li { padding-left: 0; }
.key-box strong { color: var(--accent); font-size: 1.15rem; }
.box-note { margin: 0; color: var(--muted); font-size: 0.9375rem; }

.references { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--rule); }
.references h2 { margin-top: 0.5rem; }
.references ol {
  font-family: var(--sans);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: #333;
}
.references li { margin-bottom: 0.85rem; overflow-wrap: anywhere; }
.references li:target { background: #fff3c4; }

.disclaimer {
  margin-top: 2rem;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.9375rem;
  font-style: italic;
}

.site-footer {
  border-top: 1px solid var(--rule);
  padding: 1.25rem;
  text-align: center;
  color: var(--muted);
  font-family: var(--sans);
  font-size: 0.875rem;
}
.site-footer p { margin: 0; }

@media (max-width: 600px) {
  body { font-size: 1.0625rem; }
  article { padding-top: 1.75rem; }
  .dek { font-size: 1.15rem; }
  .key-box { padding: 1rem 1.1rem; }
  .lead::first-letter { font-size: 3rem; }
}