/* Base font & color */
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
    Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
  font-size: 1.125rem;      /* ~18px */
  line-height: 1.6;
  color: #333;
  background-color: #fff;
  margin: 0;
  padding: 0;
}

/* Headings */
h1, h2, h3, h4 {
  font-weight: 600;
  color: #222;
  margin-top: 1.5em;
  margin-bottom: 0.5em;
  line-height: 1.25;
}

/* Links */
a {
  color: #007acc;
  text-decoration: none;
  transition: color 0.3s ease;
}

a:hover {
  color: #005f99;
  text-decoration: underline;
}

/* Paragraph spacing */
p {
  margin-bottom: 1.25em;
}

/* Wrapper/container width */
.wrapper {
  max-width: 850px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Footer tweaks */
.site-footer {
  font-size: 1rem;
  color: #555;
  text-align: center;
  padding: 1rem 0;
  border-top: 1px solid #eee;
}

/* Responsive tweak for small screens */
@media (max-width: 600px) {
  body {
    font-size: 1rem;   /* ~16px on small screens */
  }
  .wrapper {
    padding: 0 0.5rem;
  }
}