:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #08101a;
  color: #e8eef5;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at top left, #12324a 0, #08101a 42rem);
  line-height: 1.65;
}

main {
  width: min(760px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 4rem 0 6rem;
}

.eyebrow {
  margin: 0;
  color: #4dd5b2;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}

h1, h2 { line-height: 1.2; }
h1 { margin: .5rem 0 1rem; font-size: clamp(2.2rem, 8vw, 4rem); }
h2 { margin-top: 2.5rem; color: #f5b25e; }
p, li { color: #c4ced8; }
a { color: #75a8ff; }
.updated { color: #8d9aa7; }
.card {
  margin-top: 2rem;
  padding: 1.5rem;
  border: 1px solid #264158;
  border-radius: 1rem;
  background: rgb(12 27 40 / 82%);
}

main.walkthrough { width: min(1120px, calc(100% - 2rem)); }
.video-frame {
  display: block;
  width: 100%;
  margin-top: 2rem;
  border: 1px solid #264158;
  border-radius: 1rem;
  background: #000;
  box-shadow: 0 1.5rem 4rem rgb(0 0 0 / 35%);
}