:root {
  color-scheme: light;
  --bg: #f7f2e9;
  --paper: #fffaf1;
  --ink: #1b2436;
  --muted: #667085;
  --line: #dfd5c5;
  --accent: #1677b8;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

main {
  width: min(880px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

header,
section {
  border-bottom: 1px solid var(--line);
  padding: 24px 0;
}

header {
  padding-top: 0;
}

h1,
h2 {
  line-height: 1.2;
  margin: 0 0 12px;
}

h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  letter-spacing: 0;
}

h2 {
  font-size: 1.35rem;
}

p,
li {
  font-size: 1rem;
}

.lead {
  color: var(--muted);
  font-size: 1.08rem;
}

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

nav {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 20px;
}

nav a {
  font-weight: 700;
}

footer {
  color: var(--muted);
  font-size: 0.9rem;
  padding-top: 24px;
}