:root {
  color-scheme: light;
  --deep: #172643;
  --gold: #f59e22;
  --green: #2a8c52;
  --ink: #172033;
  --muted: #5f6978;
  --surface: #f6fafe;
  --card: #ffffff;
  --line: #dfe6ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header {
  background: var(--deep);
  color: white;
  padding: 42px 20px 36px;
  border-bottom: 6px solid var(--gold);
}

main {
  max-width: 820px;
  margin: 0 auto;
  padding: 28px 20px 56px;
}

.hero {
  max-width: 820px;
  margin: 0 auto;
}

h1 {
  margin: 0 0 8px;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.05;
  letter-spacing: 0;
}

.effective,
.lede {
  margin: 0;
  color: #dbe6f3;
  font-weight: 600;
}

section {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 18px 0;
  padding: 22px;
}

h2 {
  margin: 0 0 10px;
  color: var(--deep);
  font-size: 1.2rem;
  line-height: 1.25;
}

p {
  margin: 0 0 12px;
}

p:last-child {
  margin-bottom: 0;
}

ul {
  margin: 0;
  padding-left: 1.25rem;
}

li + li {
  margin-top: 6px;
}

a {
  color: var(--green);
  font-weight: 700;
}

.summary {
  border-left: 5px solid var(--gold);
}

footer {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 20px 44px;
  color: var(--muted);
  font-size: 0.92rem;
}