body {
  margin: 0;
  padding: 1rem;
  text-align: center;
}

header {
  text-align: center;
}

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
  text-align: center;
}

h1, h2, h3, h4 {
  line-height: 1.2;
  margin: 0.5em 0;
  font-weight: 600;
}

h1 {
  font-size: 3rem;
  text-align: center;
}

h2 {
  font-size: 1.75rem;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

nav {
  display: inline-block;
}

header img {
  display: block;
  width: 25%;
  max-width: 220px;
  height: auto;
  margin: 0.75rem auto;
}

footer {
  text-align: center;
  margin-top: 2rem;
}
/* Button and hero CTA styles (shared) */
.btn {
  display: inline-block;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  background: #eee;
  text-decoration: none;
  color: #000;
  border: none;          /* support <button> elements as well */
  cursor: pointer;
}
.btn.primary {
  background: #0b76d1;
  color: #fff;
}

/* hero CTA container used on multiple pages */
.hero-cta {
  text-align: center;
  margin-bottom: 0.75rem;
}
.hero-cta .btn {
  margin: 0 0.5rem 0.5rem 0.5rem;
}