:root {
  color: #17211d;
  background: #f7f4ed;
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; }
main {
  width: min(780px, calc(100% - 32px));
  margin: 40px auto;
  padding: clamp(24px, 5vw, 48px);
  border: 1px solid #d8d7cf;
  border-radius: 14px;
  background: #fffdf8;
}
h1 { margin-top: 0; font-size: clamp(2rem, 7vw, 3.25rem); line-height: 1.05; }
h2 { margin-top: 2rem; font-size: 1.2rem; }
p, li { line-height: 1.7; }
a { color: #205c43; }
nav { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 36px; padding-top: 20px; border-top: 1px solid #d8d7cf; }