:root {
  color-scheme: dark;
  font-family: ui-monospace, "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  color: #e8f4ee;
  background: #09110d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at 80% 10%, #163927 0, transparent 35%), #09110d;
}

main {
  width: min(46rem, calc(100% - 2rem));
  margin: 0 auto;
  padding: clamp(3rem, 10vw, 7rem) 0;
}

.eyebrow { color: #68d391; text-transform: uppercase; letter-spacing: .12em; }
h1 { max-width: 14ch; font-size: clamp(2.4rem, 8vw, 5rem); line-height: .98; margin: .3em 0; }
.lead { color: #b9c9c0; font-size: 1.1rem; line-height: 1.7; }
section { border-left: 2px solid #2c6e49; margin: 2.5rem 0; padding: .25rem 1.25rem; }
li { margin: .8rem 0; line-height: 1.5; }
button { border: 0; border-radius: 0; padding: .9rem 1.15rem; background: #68d391; color: #07100b; font: inherit; font-weight: 700; cursor: pointer; }
button:disabled { opacity: .55; cursor: wait; }
.result { overflow-wrap: anywhere; background: #101e17; padding: 1.25rem; }
dt { color: #80a991; margin-top: 1rem; }
dd { margin: .35rem 0 1rem; }
code { color: #8ff0b4; }