:root {
  color-scheme: dark;
  --bg: #080b0c;
  --panel: #101617;
  --text: #e6f1ed;
  --muted: #9eb3ac;
  --accent: #8df7c4;
  --line: #22302c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #13201c, var(--bg) 42%);
  color: var(--text);
  font: 16px/1.6 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 64px 0;
}

.hero {
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 40px;
  background: color-mix(in oklab, var(--panel), transparent 8%);
  box-shadow: 0 24px 80px rgba(0,0,0,.35);
}

.prompt {
  color: var(--accent);
  margin: 0 0 16px;
}

h1 {
  font-size: clamp(48px, 10vw, 112px);
  line-height: .9;
  margin: 0;
  letter-spacing: -0.08em;
}

.tagline {
  max-width: 680px;
  color: var(--muted);
  font-size: 1.15rem;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

nav a {
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 14px;
}

nav a:hover { border-color: var(--accent); color: var(--accent); }

.card {
  margin-top: 18px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(16, 22, 23, .72);
}

.card h2 { margin-top: 0; }
.card p { color: var(--muted); }
code { color: var(--accent); }