:root { color-scheme: light; }
* { box-sizing: border-box; }
body {
  margin: 0;
  background: #10243f;
  color: #f4f7fb;
  font: 18px/1.6 Inter, "Segoe UI", sans-serif;
}
a { color: #8ee9c4; }
main {
  max-width: 42rem;
  margin: 0 auto;
  padding: 48px 24px 72px;
}
.mark {
  font-weight: 700;
  letter-spacing: 0.04em;
  text-decoration: none;
}
h1 { font-size: 2rem; line-height: 1.2; margin: 28px 0 12px; }
h2 { font-size: 1.1rem; margin: 28px 0 8px; }
p { margin: 0 0 14px; }
.basla {
  display: inline-block;
  margin: 8px 0 28px;
  padding: 12px 20px;
  border-radius: 999px;
  background: #3ddc97;
  color: #102018;
  font-weight: 700;
  text-decoration: none;
}
nav { display: flex; flex-wrap: wrap; gap: 8px 16px; margin-top: 32px; }
nav a { text-decoration: none; }