:root {
  color-scheme: light;
  font-family: system-ui, sans-serif;
  line-height: 1.6;
  color: #18323b;
  background: #f7faf9;
}

body { margin: 0; }

.top {
  border-bottom: 1px solid #dce8e5;
  background: #fff;
}

.top, .page, .footer { padding-inline: clamp(1.25rem, 6vw, 4rem); }
.top { padding-block: 1rem; }
.brand { color: #134f4a; font-weight: 700; text-decoration: none; }

.page {
  max-width: 48rem;
  margin-inline: auto;
  padding-block: clamp(2rem, 8vw, 5rem);
}

h1, h2 { line-height: 1.2; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); margin-block: 0 1rem; }
h2 { font-size: 1.25rem; margin-block: 2rem .5rem; }
.intro { font-size: 1.12rem; }
a { color: #0b5c55; }

.button {
  display: inline-block;
  margin-top: .75rem;
  padding: .7rem 1rem;
  border-radius: .5rem;
  background: #145850;
  color: #fff;
  font-weight: 650;
  text-decoration: none;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem 1.5rem;
  border-top: 1px solid #dce8e5;
  padding-block: 1rem;
}