/* ============ SCROLL ANIMATIONS ============ */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger delays */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* ============ FLOATING PARTICLES ============ */
.particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  opacity: 0.12;
  animation: particleFloat linear infinite;
  will-change: transform;
}

.particle-leaf {
  font-size: 1.4rem;
}

.particle-book {
  font-size: 1.1rem;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.12;
  }
  90% {
    opacity: 0.12;
  }
  100% {
    transform: translateY(-100px) rotate(360deg);
    opacity: 0;
  }
}

/* ============ GENTLE DRIFT ============ */
.drift {
  animation: gentleDrift 6s ease-in-out infinite;
}

@keyframes gentleDrift {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(1deg); }
}

.drift-slow {
  animation: gentleDrift 8s ease-in-out infinite;
}

/* ============ RIPPLE EFFECT ============ */
.ripple-container {
  position: relative;
  overflow: hidden;
}

.ripple-container::after {
  content: '';
  position: absolute;
  width: 300%;
  height: 300%;
  top: -100%;
  left: -100%;
  background: radial-gradient(circle, rgba(62, 146, 204, 0.04) 0%, transparent 60%);
  animation: ripple 8s ease-in-out infinite;
}

@keyframes ripple {
  0%, 100% { transform: translate(-25%, -25%) scale(1); }
  50% { transform: translate(25%, 25%) scale(1.1); }
}

/* ============ PULSE GLOW ============ */
.pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 0 rgba(246, 211, 101, 0); }
  50% { box-shadow: 0 0 24px 4px rgba(246, 211, 101, 0.2); }
}

/* ============ WATER SHIMMER ============ */
.water-shimmer {
  position: relative;
  overflow: hidden;
}

.water-shimmer::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 200%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.05) 25%,
    rgba(255, 255, 255, 0.1) 50%,
    rgba(255, 255, 255, 0.05) 75%,
    transparent 100%
  );
  animation: waterShimmer 6s linear infinite;
}

@keyframes waterShimmer {
  0% { transform: translateX(-50%); }
  100% { transform: translateX(50%); }
}

/* ============ LOADING STATES ============ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--cream) 25%,
    rgba(224, 192, 151, 0.2) 50%,
    var(--cream) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: 8px;
}

@keyframes skeleton-loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============ REDUCED MOTION ============ */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .fade-in,
  .fade-in-left,
  .fade-in-right,
  .scale-in {
    opacity: 1;
    transform: none;
  }

  html {
    scroll-behavior: auto;
  }
}