body {
  margin: 0;
  font-family: 'Comic Sans MS', cursive;
  color: #333;
  background: url('fondo-dragones.png') repeat;
  background-size: cover;
  overflow-x: hidden;
  position: relative;
}

main {
  position: relative;
  z-index: 1;
}

.pagina {
  padding: 20px 20px;
  min-height: 100vh;
  display: none;
  transition: background-color 1s ease-in-out;
  position: relative;
  background-color: rgba(255,255,255,0.7); /* base neutra con transparencia */
  border-radius: 20px;
}

.pagina.activa {
  display: block;
}

/* 🌈 Capa de emoción (colores por escena con opacidad) */
.bg-escena1 { background-color: rgba(192, 242, 231, 0.75); }
.bg-escena2 { background-color: rgba(255, 226, 154, 0.75); }
.bg-escena3 { background-color: rgba(255, 212, 242, 0.75); }
.bg-escena4 { background-color: rgba(243, 234, 194, 0.75); }
.bg-escena5 { background-color: rgba(182, 201, 236, 0.75); }
.bg-escena6 { background-color: rgba(211, 249, 216, 0.75); }
.bg-escena7 { background-color: rgba(248, 215, 232, 0.75); }
.bg-escena8 { background-color: rgba(225, 249, 210, 0.75); }

.bg-escena-final {
  background-color: rgba(255, 248, 220, 0.85); /* tono cálido de celebración */
}

.cita-final {
  font-size: 1.3rem;
  color: var(--primary-color);
  font-weight: bold;
  margin-top: 20px;
  text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
}

.cancion-final {
  background-color: rgba(255, 255, 255, 0.8);
  border-radius: var(--border-radius-lg);
  padding: 20px;
  margin: 20px auto;
  box-shadow: var(--box-shadow);
  max-width: 600px;
}

.cancion-final h2 {
  color: var(--accent-color);
  margin-bottom: 10px;
}

.fin-button {
  background: linear-gradient(to right, var(--accent-color), var(--tertiary-color));
}

.fin-button:hover {
  background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
}

img {
  max-width: 80%;
  border-radius: 20px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
  margin-bottom: 20px;
}

p {
  font-size: 1.2rem;
  max-width: 600px;
  margin: auto;
}

/* Estrellitas flotantes */
.estrella {
  position: fixed;
  top: 100%;
  width: 10px;
  height: 10px;
  background: gold;
  border-radius: 50%;
  opacity: 0.8;
  animation: flotar 4s ease-in infinite;
  z-index: 999;
}

@keyframes flotar {
  0% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(-120vh); opacity: 0; }
}

.estrella, .serpentina, .globo {
  position: fixed;
  top: 100%;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  opacity: 0.85;
  z-index: 9999;
  animation: subirCelebracion 4s ease-out forwards;
}

/* Serpentinas estilo cinta */
.serpentina {
  width: 8px;
  height: 30px;
  border-radius: 4px;
  transform: rotate(45deg);
  animation: girarYSubir 5s ease-in-out forwards;
}

/* Globos con forma y sombra */
.globo {
  width: 24px;
  height: 36px;
  border-radius: 50% 50% 45% 45%;
  box-shadow: 0 3px 6px rgba(0,0,0,0.2);
  animation: flotarGlobo 6s ease-in forwards;
}

@keyframes subirCelebracion {
  from { transform: translateY(0); opacity: 1; }
  to { transform: translateY(-120vh); opacity: 0; }
}

@keyframes girarYSubir {
  0% { transform: rotate(0deg) translateY(0); }
  100% { transform: rotate(360deg) translateY(-100vh); }
}

@keyframes flotarGlobo {
  0%   { transform: translateY(0) scale(1); }
  50%  { transform: translateY(-50vh) scale(1.1); }
  100% { transform: translateY(-110vh) scale(0.95); opacity: 0; }
}


/* Botones de navegación */
.botones {
  text-align: center;
  margin: 20px;
  
}
.menu-button {
  background: linear-gradient(to right, #8be0f2, #d88bf9);
  color: white;
  border: none;
  border-radius: 30px;
  padding: 12px 24px;
  font-size: 1rem;
}
button {
  background: linear-gradient(to right, #8be0f2, #d88bf9);
  color: white;
  border: none;
  border-radius: 30px;
  padding: 12px 24px;
  font-size: 1rem;
  cursor: pointer;
  margin: 10px;
}
button:hover {
  background: linear-gradient(to right, #aee6f9, #f5a2fb);
}

.pagina img {
  width: 85%;
  max-width: 500px;
  height: auto;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--box-shadow);
  margin-bottom: 20px;
  margin-top: 10px;
  animation: floatIn 1s ease-in-out;
}

.boton-volver {
  background-color: #ffe680;
  color: #5c4a00;
  padding: 8px 16px;
  border-radius: 20px;
  text-decoration: none;
  font-weight: bold;
}
.boton-volver:hover {
  background-color: #ffd450;
}