:root {
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #0e131a;
  color: #f4f7fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 90% 0%, rgba(145, 107, 212, 0.28), transparent 36rem),
    #0e131a;
  line-height: 1.65;
}

header,
main,
footer {
  width: min(48rem, calc(100% - 2.5rem));
  margin-inline: auto;
}

header {
  padding: 4.5rem 0 2rem;
}

main {
  padding-bottom: 4rem;
}

footer {
  padding: 1.5rem 0 3rem;
  color: #aab2bd;
  border-top: 1px solid #2f3742;
}

h1,
h2 {
  line-height: 1.18;
}

h1 {
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  margin: 0 0 0.5rem;
}

h2 {
  margin-top: 2.5rem;
}

p,
li {
  max-width: 70ch;
}

a {
  color: #71d6ce;
}

.eyebrow {
  color: #71d6ce;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card {
  padding: 1.25rem 1.4rem;
  margin: 1rem 0;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 1.25rem;
}

.button {
  display: inline-block;
  padding: 0.75rem 1rem;
  margin-top: 0.5rem;
  color: #0e131a;
  background: #71d6ce;
  border-radius: 0.8rem;
  font-weight: 700;
  text-decoration: none;
}

nav a + a {
  margin-left: 1rem;
}