:root {
  color-scheme: dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #080b12;
  color: #f7f8fa;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: radial-gradient(circle at 80% 0%, #182238 0, #080b12 38rem);
}

a { color: #ff9b52; }

header,
main,
footer {
  width: min(920px, calc(100% - 40px));
  margin: 0 auto;
}

header {
  align-items: center;
  display: flex;
  justify-content: space-between;
  padding: 26px 0;
}

.brand {
  align-items: center;
  color: #f7f8fa;
  display: flex;
  font-size: 20px;
  font-weight: 900;
  gap: 10px;
  text-decoration: none;
}

.brand img { height: 32px; width: 32px; }
nav { display: flex; flex-wrap: wrap; gap: 16px; }
nav a { color: #b2bdcc; font-size: 14px; text-decoration: none; }
main { padding: 52px 0 80px; }
.eyebrow { color: #ff7a1a; font-size: 12px; font-weight: 900; letter-spacing: .18em; text-transform: uppercase; }
h1 { font-size: clamp(38px, 8vw, 68px); letter-spacing: -.045em; line-height: .98; margin: 14px 0 22px; max-width: 760px; }
.intro { color: #c6cfdc; font-size: 19px; line-height: 1.65; max-width: 780px; }
.updated { color: #8997aa; font-size: 14px; margin: 22px 0 50px; }

section {
  border-top: 1px solid #273147;
  display: grid;
  gap: 20px;
  grid-template-columns: minmax(180px, 250px) 1fr;
  padding: 30px 0;
}

h2 { font-size: 21px; line-height: 1.3; margin: 0; }
.copy { color: #b2bdcc; font-size: 16px; line-height: 1.7; }
.copy p { margin: 0 0 15px; }
.copy p:last-child { margin-bottom: 0; }
.copy ul { margin: 0; padding-left: 20px; }
.copy li + li { margin-top: 9px; }
.callout { background: #101622; border: 1px solid #344158; border-radius: 18px; margin-top: 16px; padding: 18px; }
footer { border-top: 1px solid #273147; color: #8997aa; font-size: 13px; padding: 28px 0 42px; }

@media (max-width: 700px) {
  header { align-items: flex-start; flex-direction: column; gap: 18px; }
  section { grid-template-columns: 1fr; }
  main { padding-top: 30px; }
}