:root {
  --bg: #0f172a;
  --card: #111c34;
  --text: #e5edff;
  --muted: #93a4c3;
  --accent: #4f8cff;
  --border: #22314f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top, #16213e, var(--bg));
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  padding: 24px;
}

.card {
  max-width: 480px;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}

.badge {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #7fe0a8;
  background: rgba(127, 224, 168, 0.12);
  border: 1px solid rgba(127, 224, 168, 0.3);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 16px;
}

h1 {
  margin: 0 0 12px;
  font-size: 26px;
  font-weight: 700;
}

p {
  color: var(--muted);
  line-height: 1.6;
  margin: 0 0 20px;
}

.stack {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stack li {
  font-size: 14px;
  color: var(--text);
  padding-left: 20px;
  position: relative;
}

.stack li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent);
}

code {
  background: rgba(79, 140, 255, 0.12);
  color: #a9c6ff;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.meta {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}