:root {
  --bg: #0b1220;
  --card: #111b2f;
  --text: #e6edf7;
  --muted: #9db0cf;
  --accent: #5cc8ff;
  --accent-2: #8ef6cf;
  --border: #233251;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% -10%, #1b2a49 0%, var(--bg) 50%);
  color: var(--text);
  line-height: 1.6;
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin-top: 0;
}

h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

h2 {
  margin-top: 2rem;
  font-size: 1.25rem;
}

p,
li {
  color: var(--text);
}

.muted {
  color: var(--muted);
}

a {
  color: var(--accent);
}

a:hover {
  color: var(--accent-2);
}

.grid {
  display: grid;
  gap: 14px;
}

@media (min-width: 600px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.grid > .card {
  margin: 0;
}

.card {
  background: color-mix(in srgb, var(--card) 85%, black);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 20px;
  margin: 14px 0;
}

.footer {
  margin-top: 36px;
  color: var(--muted);
  font-size: 0.95rem;
}