:root {
  color-scheme: light dark;
  --canvas: #f3f7f4;
  --surface: #ffffff;
  --ink: #203237;
  --muted: #5f7074;
  --accent: #176e78;
  --border: #d8e3df;
}

* {
  box-sizing: border-box;
}

html {
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.6;
}

body {
  margin: 0;
}

main {
  width: min(760px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(24px, 6vw, 56px);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 28px;
}

h1,
h2 {
  line-height: 1.2;
}

h1 {
  margin-top: 0;
  font-size: clamp(2rem, 6vw, 3.25rem);
}

h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

p,
li {
  font-size: 1.05rem;
}

.eyebrow,
.updated,
footer {
  color: var(--muted);
}

.eyebrow {
  margin-bottom: 0.5rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

a {
  color: var(--accent);
  font-weight: 650;
}

nav,
footer {
  margin-top: 2.5rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --canvas: #102023;
    --surface: #172b2f;
    --ink: #eef7f5;
    --muted: #b9c9c6;
    --accent: #7dd8df;
    --border: #315056;
  }
}