:root {
  --ink: #15201c;
  --ground: #f3f4f1;
  --card: #ffffff;
  --accent: #0e6b5a;
  --accent-soft: #dcebe5;
  --secondary: #56615c;
  --line: #c9cec8;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eef1ee;
    --ground: #0f1513;
    --card: #17201d;
    --accent: #7fd1bc;
    --accent-soft: #1d2d28;
    --secondary: #c9d3ce;
    --line: #3f4945;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font: 17px/1.6 var(--sans);
  -webkit-text-size-adjust: 100%;
}

.wrap { max-width: 720px; margin: 0 auto; padding: 32px 20px 64px; }

header.site {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; font-weight: 600; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }

nav a { color: var(--secondary); text-decoration: none; margin-left: 18px; font-size: 15px; }
nav a:first-child { margin-left: 0; }
nav a[aria-current="page"] { color: var(--ink); font-weight: 600; }

h1 { font: 400 44px/1.1 var(--serif); margin: 0 0 12px; letter-spacing: -0.01em; }
h2 { font: 600 20px/1.3 var(--sans); margin: 36px 0 8px; }
h3 { font: 600 17px/1.4 var(--sans); margin: 24px 0 4px; }
p, li { color: var(--ink); }
.lede { color: var(--secondary); font-size: 19px; margin: 0 0 28px; }
.meta { color: var(--secondary); font-size: 14px; }

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px 22px;
  margin: 20px 0;
}

.card > :first-child { margin-top: 0; }
.card > :last-child { margin-bottom: 0; }

.pill {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  border-radius: 999px;
  padding: 3px 10px;
  letter-spacing: 0.02em;
}

table { width: 100%; border-collapse: collapse; font-size: 15px; margin: 12px 0; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--secondary); font-weight: 600; }

footer.site {
  margin-top: 56px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--secondary);
  font-size: 14px;
}
footer.site a { color: var(--secondary); }

@media (max-width: 520px) {
  h1 { font-size: 36px; }
  nav a { margin-left: 12px; }
}