*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #ffffff;
  color: #111111;
  line-height: 1.6;
}

a { color: #15803d; }
a:hover { color: #166534; }

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid #e5e5e5;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: #111111;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand svg { width: 28px; height: 28px; color: #15803d; }

nav { display: flex; align-items: center; gap: 1rem; }
nav a { color: #444; text-decoration: none; font-size: 0.95rem; }
nav a:hover { color: #111; }

main { max-width: 40rem; margin: 0 auto; padding: 3rem 1.5rem 2rem; }

h1 {
  font-size: 2.4rem;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin: 0 0 0.75rem;
}

.lede {
  font-size: 1.25rem;
  line-height: 1.45;
  color: #222;
  margin: 0 0 1.25rem;
}

h2 {
  font-size: 1.25rem;
  margin: 2.25rem 0 0.7rem;
}

p { color: #333; margin: 0 0 1rem; }
ul { padding-left: 1.25rem; margin: 0 0 1rem; }
li { color: #333; margin-bottom: 0.4rem; }

.meta { color: #666; font-size: 0.9rem; margin-bottom: 2rem; }

code {
  background: #f3f3f3;
  padding: 0.12em 0.35em;
  border-radius: 3px;
  font-size: 0.9em;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
}

.cta {
  display: inline-block;
  margin-top: 0.5rem;
  background: #15803d;
  color: #fff;
  font-weight: 600;
  padding: 0.7rem 1.25rem;
  border-radius: 6px;
  text-decoration: none;
}

.cta:hover { background: #166534; color: #fff; }

footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.25rem;
  padding: 1.5rem;
  border-top: 1px solid #e5e5e5;
  color: #666;
  font-size: 0.85rem;
  flex-wrap: wrap;
  margin-top: 3rem;
}

footer a { color: #444; text-decoration: none; }
footer a:hover { color: #111; }