:root {
  --bg: #0b1020;
  --fg: #e6e8ef;
  --accent: #6ea8fe;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 50% 0%, #16204a, var(--bg));
  color: var(--fg);
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
}

main {
  text-align: center;
  padding: 2rem;
}

h1 {
  margin: 0 0 0.5rem;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

p {
  color: #aab2c8;
}

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

button {
  margin-top: 1.5rem;
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  color: var(--bg);
  background: var(--accent);
  border: 0;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

button:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(110, 168, 254, 0.35);
}