:root {
  color-scheme: dark;
  --bg: #09131a;
  --panel: rgba(15, 27, 36, 0.88);
  --line: rgba(167, 215, 122, 0.24);
  --text: #ecf4e7;
  --muted: #a2b6a1;
  --accent: #b9dc81;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top, rgba(185, 220, 129, 0.16), transparent 30%),
    linear-gradient(180deg, #071017 0%, #0d1921 100%);
  color: var(--text);
}

.shell {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 64px;
}

.hero {
  padding: 32px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--panel);
  box-shadow: 0 18px 60px rgba(0, 0, 0, 0.28);
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--accent);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

h1, h2 {
  margin: 0 0 12px;
}

.lede,
.card p,
.steps li {
  color: var(--muted);
  line-height: 1.6;
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-top: 24px;
}

.card {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--panel);
}

.wide {
  margin-top: 24px;
}

code {
  color: var(--accent);
  font-family: "Cascadia Code", monospace;
}

ol {
  margin: 0;
  padding-left: 20px;
}