.card {
  background: white;
  border-radius: 20px;
  padding: 40px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.1);
  max-width: 400px;
  margin: 100px auto;
  text-align: center;
  position: relative;
  z-index: 10;
}

.card h1 {
  font-family: 'Pacifico', cursive;
  font-size: 2.5rem;
  color: #ff4d6d;
}

.card p {
  font-size: 1.1rem;
  color: #333;
}

.btn-love {
  margin-top: 20px;
  padding: 10px 20px;
  background: #ff4d6d;
  color: white;
  border: none;
  border-radius: 30px;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-love:hover {
  background: #ff3366;
}

/* Animasi hati */
.heart {
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: pink;
  transform: rotate(45deg);
  animation: fall 5s linear infinite;
}

.heart::before,
.heart::after {
  content: "";
  position: absolute;
  width: 20px;
  height: 20px;
  background-color: pink;
  border-radius: 50%;
}

.heart::before {
  top: -10px;
  left: 0;
}

.heart::after {
  left: -10px;
  top: 0;
}

@keyframes fall {
  0% {
    top: -10%;
    opacity: 1;
    transform: rotate(0deg) scale(1);
  }
  100% {
    top: 110%;
    left: calc(100vw * var(--x));
    opacity: 0;
    transform: rotate(360deg) scale(0.5);
  }
}

/* Sparkle (kelip-kelip) */
.sparkle {
  position: absolute;
  width: 6px;
  height: 6px;
  background: #fff;
  border-radius: 50%;
  box-shadow: 0 0 8px #fff;
  animation: sparkle 2s infinite ease-in-out;
}

@keyframes sparkle {
  0%, 100% {
    transform: scale(0.8);
    opacity: 0.6;
  }
  50% {
    transform: scale(1.5);
    opacity: 1;
  }
}