:root {
  --bg: #ffffff;
  --text: #0a0a0a;
  --muted: #6b6b6b;
  --rule: #e6e6e6;
  --link: #0a0a0a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --text: #f5f5f5;
    --muted: #8e8e8e;
    --rule: #262626;
    --link: #f5f5f5;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
}

main {
  max-width: 680px;
  margin: 0 auto;
  padding: 56px 24px 72px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-bottom: 56px;
  font-size: 15px;
}

nav a { color: var(--muted); text-decoration: none; }
nav a[aria-current="page"], nav a:hover { color: var(--text); }

h1 {
  font-size: 44px;
  font-weight: 200;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin: 0 0 12px;
}

h2 {
  font-size: 22px;
  font-weight: 400;
  margin: 44px 0 10px;
}

h3 {
  font-size: 17px;
  font-weight: 600;
  margin: 28px 0 6px;
}

p, li { margin: 0 0 12px; }
ul { padding-left: 20px; }

a { color: var(--link); text-underline-offset: 3px; }

.lead { font-size: 20px; font-weight: 300; color: var(--muted); margin-bottom: 36px; }
.meta { font-size: 14px; color: var(--muted); }

.links {
  list-style: none;
  padding: 0;
  margin: 40px 0 0;
  border-top: 1px solid var(--rule);
}

.links li { margin: 0; border-bottom: 1px solid var(--rule); }

.links a {
  display: flex;
  justify-content: space-between;
  padding: 18px 0;
  font-size: 22px;
  font-weight: 300;
  text-decoration: none;
}

.links a span { color: var(--muted); }

footer {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--muted);
}

footer a { color: var(--muted); }