:root {
  --background: #f7f4ed;
  --card: #ffffff;
  --text: #111111;
  --muted: #718074;
  --green: #277552;
  --border: #e5e5e5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--background);
  color: var(--text);
  font-family:
    Inter, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  font-size: 17px;
  line-height: 1.65;
}

header {
  padding: 24px;
}

nav {
  width: min(100% - 40px, 900px);
  margin: auto;
  display: flex;
  align-items: center;
  gap: 24px;
}

.brand {
  margin-right: auto;
  color: var(--text);
  font-weight: 750;
  text-decoration: none;
}

nav a {
  color: var(--green);
  text-decoration: none;
}

main {
  width: min(100% - 40px, 760px);
  margin: 48px auto 80px;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(40px, 8vw, 64px);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.updated {
  margin-bottom: 32px;
  color: var(--muted);
}

article {
  padding: clamp(24px, 5vw, 48px);
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: 0 14px 40px rgb(45 55 48 / 7%);
}

h2 {
  margin: 38px 0 8px;
  font-size: 24px;
  line-height: 1.25;
}

h2:first-child {
  margin-top: 0;
}

p,
li {
  color: #3f4942;
}

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

footer {
  width: min(100% - 40px, 760px);
  margin: 0 auto;
  padding: 32px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 600px) {
  nav {
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 10px 18px;
  }

  .brand {
    width: 100%;
  }

  main {
    margin-top: 28px;
  }

  article {
    padding: 24px;
    border-radius: 20px;
  }
}