/* Base page text */
body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  color: #222;
  background-color: #fff;
  margin: 0;
  padding: 2rem;
}

/* Headings */
h1, h2, h3, h4, h5, h6 {
  max-width: 75ch;
  margin: 2.5rem auto 1rem;
  text-align: center;
  font-weight: 600;
  line-height: 1.3;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.4rem; }
h4, h5, h6 { font-size: 1.1rem; }

/* Paragraphs */
p {
  max-width: 75ch;
  margin: 0 auto 1.25rem;
}

/* Images with captions */
figure {
  max-width: 75ch;
  margin: 2.5rem auto;
}

figure img {
  max-width: 100%;
  height: auto;
  display: block;
  border-radius: 4px;
}

/* Caption text */
figcaption {
  font-size: 0.95rem;
  color: #555;
  margin-top: 0.5rem;
  text-align: center;
}