html, body {
  height: 100%;
  margin: 0;
}

body {
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: system-ui, Arial, sans-serif;
  /* background: linear-gradient(90deg, red, green, blue, purple); */
  background-color: white;
  background-size: 100% 100%;
  /* animation: shift 12s ease-in-out infinite; */
}

.container {
  width: 50vw;
  text-align: center;
}
.container h1 {
  font-size: clamp(3rem, 8vw, 12rem);
  margin: 0;
  color: #fff;
  letter-spacing: 0.15em;
  text-shadow: 0 4px 18px rgba(0,0,0,0.35);
  font-weight: 800;
}