body {
  margin: 0;
  font-family: system-ui, sans-serif;
  line-height: 1.8;
  color: #172b29;
  background: #fbfaf5;
}
a { color: #175d53; }
h1, h2, h3 { line-height: 1.4; }
.hero { background: #e8f0dc; }
.card { background: #fff; }