/* === Content visibility transitions === */

/* All screen content starts hidden */
.screen-content {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

/* Visible state */
.screen.screen-visible .screen-content {
  opacity: 1;
  transform: translateY(0);
}

/* Screen 1 always visible on load */
.screen-1 .screen-content {
  opacity: 1;
  transform: translateY(0);
  animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* === Title glow animation === */
.screen-1 .title {
  animation: romanticGlow 3s ease-in-out infinite alternate;
}

@keyframes romanticGlow {
  0% {
    text-shadow:
      0 0 20px rgba(255, 100, 150, 0.4),
      0 2px 10px rgba(0, 0, 0, 0.5);
  }
  100% {
    text-shadow:
      0 0 40px rgba(255, 100, 150, 0.8),
      0 0 80px rgba(255, 100, 150, 0.3),
      0 2px 10px rgba(0, 0, 0, 0.5);
  }
}

/* === Memory image slide-in === */
.memory-image {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease-out 0.2s, transform 0.8s ease-out 0.2s;
}

.memory-card.reverse .memory-image {
  transform: translateX(40px);
}

.screen.screen-visible .memory-image {
  opacity: 1;
  transform: translateX(0);
}

/* === Memory text fade-in === */
.memory-text {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out 0.4s, transform 0.8s ease-out 0.4s;
}

.screen.screen-visible .memory-text {
  opacity: 1;
  transform: translateY(0);
}

/* === Screen 5 heart entrance === */
.heart-container {
  opacity: 0;
  transform: scale(0.5);
  transition: opacity 1s ease-out 0.2s, transform 1s cubic-bezier(0.34, 1.56, 0.64, 1) 0.2s;
}

.screen-7.screen-visible .heart-container {
  opacity: 1;
  transform: scale(1);
}

.final-message {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out 0.8s, transform 0.8s ease-out 0.8s;
}

.screen-7.screen-visible .final-message {
  opacity: 1;
  transform: translateY(0);
}

.final-sub {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out 1.1s, transform 0.8s ease-out 1.1s;
}

.screen-7.screen-visible .final-sub {
  opacity: 1;
  transform: translateY(0);
}

/* === Falling petal particles === */
.petal {
  position: absolute;
  top: -20px;
  width: 12px;
  height: 12px;
  background: radial-gradient(ellipse at center, #ffb6c1, #ff69b4);
  border-radius: 50% 0 50% 50%;
  opacity: 0;
  pointer-events: none;
  animation: petalFall var(--fall-duration, 6s) linear var(--fall-delay, 0s) infinite;
}

.petal:nth-child(odd) {
  background: radial-gradient(ellipse at center, #ffc0cb, #ff85a2);
  border-radius: 0 50% 50% 50%;
  width: 10px;
  height: 14px;
}

@keyframes petalFall {
  0% {
    opacity: 0;
    transform: translate(0, 0) rotate(0deg) scale(0.8);
  }
  10% {
    opacity: 0.8;
  }
  50% {
    opacity: 0.6;
  }
  100% {
    opacity: 0;
    transform: translate(var(--drift, 60px), 105vh) rotate(720deg) scale(0.3);
  }
}

/* === Shooting stars / Meteors === */
.meteor-shower {
  position: fixed;
  inset: 0;
  bottom: 40%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.meteor {
  position: absolute;
  width: 2px;
  height: 2px;
  background: #fff;
  border-radius: 50%;
  opacity: 0;
  transform: rotate(-35deg);
}

/* Glowing tail */
.meteor::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 1.5px;
  background: linear-gradient(to left, #fff, rgba(255,255,255,0.6), transparent);
  border-radius: 2px;
  transform: translateX(-100%);
}

.meteor-1 {
  top: 8%;  left: 25%;
  animation: meteorShoot 6s linear 1s infinite;
}
.meteor-2 {
  top: 15%; left: 60%;
  animation: meteorShoot 8s linear 4s infinite;
}
.meteor-3 {
  top: 5%;  left: 80%;
  animation: meteorShoot 7s linear 7s infinite;
}
.meteor-4 {
  top: 22%; left: 40%;
  animation: meteorShoot 9s linear 11s infinite;
}
.meteor-5 {
  top: 12%; left: 10%;
  animation: meteorShoot 7.5s linear 15s infinite;
}

@keyframes meteorShoot {
  0% {
    opacity: 0;
    transform: rotate(-35deg) translateX(0);
  }
  2% {
    opacity: 1;
  }
  8% {
    opacity: 1;
    transform: rotate(-35deg) translateX(300px);
  }
  10% {
    opacity: 0;
    transform: rotate(-35deg) translateX(400px);
  }
  100% {
    opacity: 0;
    transform: rotate(-35deg) translateX(400px);
  }
}

/* Subtle entrance for grass overlay */
.flower-bed::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  height: 25px;
  background: linear-gradient(to top, rgba(59, 24, 84, 0.3), transparent);
  pointer-events: none;
}