:root {
  --bg: #eef3ff;
  --ink: #091a44;
  --surface: #ffffff;
  --accent: #005fcc;
  --line: #c9d8f7;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Public Sans", sans-serif;
  background:
    linear-gradient(180deg, #e6eeff, transparent 50%),
    var(--bg);
  color: var(--ink);
  padding: 1rem;
}
main {
  max-width: 920px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1rem;
}
h1 {
  margin: 0;
  font-size: clamp(1.9rem, 4vw, 3rem);
  line-height: 1.05;
}
header p { color: #243d75; max-width: 65ch; }
.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 0.8rem;
}
article {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.8rem;
  background: #f9fbff;
}
article h2 { margin: 0 0 0.5rem; font-size: 1.06rem; }
ul { margin: 0; padding-left: 1.1rem; }
li { margin-bottom: 0.4rem; color: #2f4b89; }
footer {
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  justify-content: space-between;
}
a {
  text-decoration: none;
  background: var(--accent);
  color: white;
  border-radius: 8px;
  padding: 0.6rem 0.9rem;
  font-weight: 700;
}
small { color: #415e9f; }