html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: "Poppins", sans-serif;
  background: radial-gradient(circle at top, #ffb6c1, #ff69b4, #8b0000);
  color: white;
  text-align: center;
}

.container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 2;
  width: 90%;
  max-width: 600px;
  padding: 20px;
  box-sizing: border-box;
}

h1 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
  white-space: pre-line;
  line-height: 1.5em;
}

.subtext {
  font-size: clamp(0.9rem, 2vw, 1.2rem);
  opacity: 0.8;
  margin-top: 15px;
}

/* Biar canvas hati selalu full layar */
#heart {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}