:root {
  color-scheme: light dark;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: centAer;
  justify-content: center;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  background: radial-gradient(circle at top, #f6f0ff 0%, #f1f8ff 40%, #e8f8f5 100%);
  color: #222;
  padding: 1.5rem;
}

main {
  max-width: 600px;
  width: 100%;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(6px);
  border-radius: 18px;
  padding: 2.5rem 2rem;
  box-shadow: 0 24px 60px rgba(86, 107, 171, 0.25);
  text-align: center;
}

h1 {
  margin-top: 0;
  font-size: clamp(2rem, 5vw, 2.6rem);
  color: #4b2ea0;
  letter-spacing: 0.02em;
}

#pun {
  margin: 1.5rem 0 2rem;
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  line-height: 1.6;
  font-weight: 500;
}

button {
  padding: 0.9rem 1.8rem;
  border-radius: 999px;
  border: none;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  color: #fff;
  background: linear-gradient(135deg, #5b37e3, #f26dc6);
  box-shadow: 0 15px 30px rgba(91, 55, 227, 0.35);
  transition: transform 140ms ease, box-shadow 140ms ease;
}

button:hover,
button:focus {
  transform: translateY(-1px) scale(1.01);
  box-shadow: 0 18px 34px rgba(91, 55, 227, 0.45);
  outline: none;
}

button:focus-visible {
  outline: 3px solid #f26dc6;
  outline-offset: 3px;
}

footer {
  margin-top: 1.75rem;
  font-size: 0.85rem;
  color: #555;
}