* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  min-height: 100vh;
  background: linear-gradient(135deg, #ff6b6b, #f7d794);
  animation: backgroundShift 10s ease infinite;
}

body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  text-align: center;
  background: inherit;
}

main {
  padding: 2rem 3rem;
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.12);
  backdrop-filter: blur(10px);
}

h1 {
  font-size: clamp(3rem, 8vw, 6rem);
  color: #ffffff;
  text-shadow: 0 8px 35px rgba(0, 0, 0, 0.2);
}

@keyframes backgroundShift {
  0%, 100% {
    background: linear-gradient(135deg, #ff6b6b, #f7d794);
  }
  20% {
    background: linear-gradient(135deg, #6a82fb, #fc5c7d);
  }
  40% {
    background: linear-gradient(135deg, #42e695, #3bb2b8);
  }
  60% {
    background: linear-gradient(135deg, #fbc2eb, #a6c1ee);
  }
  80% {
    background: linear-gradient(135deg, #f6d365, #fda085);
  }
}