body {
  font-family: 'Segoe UI', sans-serif;
  text-align: center;
  background: linear-gradient(to bottom, #fff0f5, #ffe4e1);
  margin: 0;
}

/* Títulos */
h1, h2 {
  color: #d63384;
}

/* Secciones */
section {
  padding: 50px;
}

/* Botones */
button {
  padding: 12px 25px;
  background-color: #ff69b4;
  color: white;
  border: none;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.3s ease, background-color 0.3s ease;
}

button:hover {
  transform: scale(1.1);
  background-color: #ff85c1;
}

/* Mensaje */
#mensaje {
  opacity: 0;
  transition: opacity 1s ease;
  font-size: 18px;
  margin-top: 10px;
}

/* Animaciones scroll */
.oculto {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s ease;
}

.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Carta más especial */
.carta {
  transform: translateY(40px);
  transition: all 1.5s ease;
  max-width: 700px;
  margin: auto;
  line-height: 1.6;
}


/* Imágenes más bonitas */
img {
  margin: 20px;
  border-radius: 15px;
  box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}
.corazon {
  position: fixed;
  font-size: 20px;
  animation: flotar 2s ease-out forwards;
  pointer-events: none;
}

@keyframes flotar {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translateY(-100px) scale(1.5);
  }
}
.particula {
  position: fixed;
  width: 6px;
  height: 6px;
  background-color: rgba(255, 182, 193, 0.6);
  border-radius: 50%;
  pointer-events: none;
  animation: flotarParticula 10s linear infinite;
}

@keyframes flotarParticula {
  0% {
    transform: translateY(100vh);
    opacity: 0;
  }
  10% {
    opacity: 1;
  }
  100% {
    transform: translateY(-10vh);
    opacity: 0;
  }
}
.particula, .corazon {
  pointer-events: none;
}