:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #000;
  color: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: #000;
  color: #fff;
}

main {
  width: min(720px, calc(100% - 40px));
  margin: 0 auto;
  padding: 72px 0 80px;
}

.brand {
  margin: 0 0 8px;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .22em;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(36px, 8vw, 58px);
  line-height: 1.08;
}

h2 {
  margin: 34px 0 10px;
  font-size: 21px;
}

p, li {
  color: #b8b8bd;
  font-size: 16px;
  line-height: 1.75;
}

a { color: #2997ff; }

.lead {
  margin: 0;
  font-size: 19px;
}

.card {
  margin-top: 32px;
  padding: 24px;
  border: 1px solid #2c2c2e;
  border-radius: 22px;
  background: #111;
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-block;
  padding: 12px 18px;
  border-radius: 999px;
  background: #fff;
  color: #000;
  font-weight: 700;
  text-decoration: none;
}

.meta {
  margin-top: 44px;
  color: #747478;
  font-size: 14px;
}

ul { padding-left: 22px; }

@media (prefers-color-scheme: light) {
  :root, body { background: #fff; color: #000; }
  p, li { color: #55555a; }
  .card { background: #f5f5f7; border-color: #dedee3; }
  .button { background: #000; color: #fff; }
}