:root {
  color-scheme: light;
  --ink: #171714;
  --muted: #6a6963;
  --paper: #f7f5ef;
  --paper-deep: #efede5;
  --accent: #80c900;
  --accent-strong: #5e9600;
  --line: rgba(23, 23, 20, 0.14);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Georgia, "Times New Roman", serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
.site-header {
  width: min(100% - 40px, 820px);
  margin: 0 auto;
  padding: 28px 0 22px;
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 750;
  letter-spacing: -0.01em;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  width: 25px;
  height: 25px;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(3, 1fr);
  gap: 2px;
}
.brand-mark span { background: var(--ink); }
.brand-mark span:nth-child(1) { grid-column: 1; grid-row: 1; }
.brand-mark span:nth-child(2) { grid-column: 3; grid-row: 1; }
.brand-mark span:nth-child(3) { grid-column: 2; grid-row: 2; }
.brand-mark span:nth-child(4) { grid-column: 1; grid-row: 3; }
.brand-mark span:nth-child(5) { grid-column: 3; grid-row: 3; }
.article-shell {
  width: min(100% - 40px, 740px);
  margin: 0 auto;
  padding: 72px 0 96px;
}
.article-header { margin-bottom: 50px; }
.eyebrow {
  margin: 0 0 18px;
  color: var(--accent-strong);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
h1 {
  max-width: 720px;
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(38px, 7vw, 62px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.04;
}
.subtitle {
  max-width: 660px;
  margin: 28px 0 0;
  color: var(--muted);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(20px, 3vw, 25px);
  line-height: 1.5;
  letter-spacing: -0.018em;
}
.article-body p {
  margin: 0 0 1.55em;
  font-size: clamp(19px, 2.4vw, 22px);
  line-height: 1.72;
}
.article-lede {
  margin-bottom: 2.2em;
  color: var(--ink);
  font-size: clamp(21px, 2.7vw, 24px);
  line-height: 1.62;
}
.article-section { margin: 0 0 2.6em; }
.article-section h2 {
  margin: 0 0 0.65em;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(20px, 2.6vw, 25px);
  font-weight: 760;
  letter-spacing: -0.025em;
  line-height: 1.2;
}
.article-section p { margin-bottom: 1.35em; }
.article-section p:last-child { margin-bottom: 0; }
.article-lede + .article-lede { margin-top: -1.2em; }
.article-cta {
  margin-top: 72px;
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper-deep);
}
.article-cta p {
  margin: 0 0 24px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: clamp(22px, 4vw, 31px);
  font-weight: 760;
  letter-spacing: -0.035em;
  line-height: 1.15;
}
.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 24px;
  border-radius: 999px;
  background: var(--ink);
  color: white;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15px;
  font-weight: 750;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}
.cta-button:hover { transform: translateY(-2px); background: #2c2c27; }
.cta-button:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
.article-sources {
  margin-top: 58px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}
.article-sources h2 {
  margin: 0 0 16px;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: 18px;
}
.article-sources ol { margin: 0; padding-left: 22px; }
.article-sources li { margin: 0 0 10px; color: var(--muted); line-height: 1.5; }
.article-sources a { color: var(--ink); text-underline-offset: 3px; }
.source-ref { font-family: Inter, ui-sans-serif, system-ui, sans-serif; font-size: .62em; vertical-align: super; }
.source-ref a { color: var(--accent-strong); text-decoration: none; }
.site-footer {
  width: min(100% - 40px, 740px);
  margin: 0 auto;
  padding: 0 0 40px;
  color: var(--muted);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 13px;
}
@media (max-width: 640px) {
  .site-header { width: min(100% - 28px, 820px); padding-top: 20px; }
  .article-shell { width: min(100% - 28px, 740px); padding-top: 50px; }
  .article-header { margin-bottom: 38px; }
  .article-cta { padding: 28px; border-radius: 22px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .cta-button { transition: none; }
}
