:root {
  color-scheme: dark;
  font-family: ui-monospace, "SFMono-Regular", "Cascadia Code", "Liberation Mono", monospace;
  background: #05070a;
  color: #dce8e4;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 18% 12%, rgba(55, 186, 165, 0.16), transparent 34rem),
    radial-gradient(circle at 86% 78%, rgba(154, 66, 214, 0.14), transparent 30rem),
    #05070a;
}

main {
  width: min(42rem, calc(100vw - 3rem));
  padding: 3rem;
  border: 1px solid rgba(220, 232, 228, 0.16);
  border-radius: 1.2rem;
  background: rgba(8, 12, 17, 0.78);
  box-shadow: 0 2rem 6rem rgba(0, 0, 0, 0.35);
}

h1 {
  margin: 0 0 1rem;
  color: #f4fbf8;
  font-size: clamp(2rem, 8vw, 4.5rem);
  line-height: 0.92;
  letter-spacing: -0.08em;
}

p {
  max-width: 34rem;
  margin: 0.8rem 0 0;
  color: #a9bbb5;
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: #86f0d8;
  text-decoration: none;
  border-bottom: 1px solid rgba(134, 240, 216, 0.45);
}

a:focus,
a:hover {
  color: #c9fff2;
  border-bottom-color: currentColor;
}

@media (max-width: 34rem) {
  main {
    width: min(100vw - 1.5rem, 42rem);
    padding: 2rem;
    border-radius: 0.9rem;
  }
}