/* Romana's Book - Animations & Ballet Effects */

/* ================================
   Ballet-Inspired Animations
================================ */

/* Pirouette Animation */
@keyframes pirouette {
  0% {
    transform: rotate(0deg) scale(1);
  }
  50% {
    transform: rotate(180deg) scale(1.1);
  }
  100% {
    transform: rotate(360deg) scale(1);
  }
}

.animate-pirouette {
  animation: pirouette 3s ease-in-out infinite;
}

/* Arabesque Float */
@keyframes arabesque {
  0%, 100% {
    transform: translateY(0) rotate(-5deg);
    opacity: 0.7;
  }
  50% {
    transform: translateY(-30px) rotate(5deg);
    opacity: 1;
  }
}

.animate-arabesque {
  animation: arabesque 4s ease-in-out infinite;
}

/* Grand Jete */
@keyframes grandJete {
  0% {
    transform: translateX(-20px) translateY(0);
    opacity: 0;
  }
  30% {
    transform: translateX(0) translateY(-40px);
    opacity: 1;
  }
  60% {
    transform: translateX(20px) translateY(-40px);
    opacity: 1;
  }
  100% {
    transform: translateX(40px) translateY(0);
    opacity: 0;
  }
}

/* Plié (Elegant Bounce) */
@keyframes plie {
  0%, 100% {
    transform: scaleY(1);
  }
  50% {
    transform: scaleY(0.95);
  }
}

.animate-plie:hover {
  animation: plie 0.4s ease-in-out;
}

/* ================================
   Musical Note Animations
================================ */

@keyframes noteFloat1 {
  0% {
    transform: translateY(100%) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.4;
  }
  50% {
    transform: translateY(50%) translateX(20px) rotate(180deg);
  }
  90% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(0%) translateX(-10px) rotate(360deg);
    opacity: 0;
  }
}

@keyframes noteFloat2 {
  0% {
    transform: translateY(100%) translateX(0) rotate(0deg);
    opacity: 0;
  }
  10% {
    opacity: 0.3;
  }
  50% {
    transform: translateY(50%) translateX(-30px) rotate(-180deg);
  }
  90% {
    opacity: 0.3;
  }
  100% {
    transform: translateY(0%) translateX(15px) rotate(-360deg);
    opacity: 0;
  }
}

.floating-note {
  position: fixed;
  font-size: 2rem;
  color: var(--color-gold);
  pointer-events: none;
  z-index: 0;
}

.floating-note:nth-child(1) {
  left: 5%;
  animation: noteFloat1 12s ease-in-out infinite;
  animation-delay: 0s;
}

.floating-note:nth-child(2) {
  left: 20%;
  animation: noteFloat2 15s ease-in-out infinite;
  animation-delay: -3s;
}

.floating-note:nth-child(3) {
  left: 40%;
  animation: noteFloat1 10s ease-in-out infinite;
  animation-delay: -6s;
}

.floating-note:nth-child(4) {
  left: 60%;
  animation: noteFloat2 14s ease-in-out infinite;
  animation-delay: -9s;
}

.floating-note:nth-child(5) {
  left: 80%;
  animation: noteFloat1 11s ease-in-out infinite;
  animation-delay: -2s;
}

.floating-note:nth-child(6) {
  left: 95%;
  animation: noteFloat2 13s ease-in-out infinite;
  animation-delay: -5s;
}

/* ================================
   Page Transitions
================================ */

.page-transition {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--color-cream);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

.page-transition--active {
  opacity: 1;
  visibility: visible;
}

.page-transition__content {
  text-align: center;
}

.page-transition__logo {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: var(--space-lg);
  animation: fadeIn 0.6s ease;
}

.page-transition__loader {
  width: 60px;
  height: 2px;
  background: var(--color-parchment);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.page-transition__loader-bar {
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--color-gold-light), var(--color-gold));
  animation: loadProgress 0.8s ease forwards;
}

@keyframes loadProgress {
  to {
    width: 100%;
  }
}

/* ================================
   Scroll Reveal Animations
================================ */

.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* From Left */
.reveal--left {
  transform: translateX(-60px);
}

.reveal--left.reveal--visible {
  transform: translateX(0);
}

/* From Right */
.reveal--right {
  transform: translateX(60px);
}

.reveal--right.reveal--visible {
  transform: translateX(0);
}

/* Scale Up */
.reveal--scale {
  transform: scale(0.9);
}

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

/* ================================
   Interactive Hover Effects
================================ */

/* Book Cover 3D Tilt */
.tilt-effect {
  perspective: 1000px;
  transform-style: preserve-3d;
}

.tilt-effect__inner {
  transition: transform var(--transition-elegant);
}

.tilt-effect:hover .tilt-effect__inner {
  transform: rotateY(-5deg) rotateX(5deg);
}

/* Golden Shimmer Effect */
.shimmer {
  position: relative;
  overflow: hidden;
}

.shimmer::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 50%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(201, 169, 98, 0.3),
    transparent
  );
  transform: skewX(-25deg);
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0% {
    left: -100%;
  }
  100% {
    left: 200%;
  }
}

/* ================================
   Curtain Animation
================================ */

.curtain-reveal {
  position: relative;
  overflow: hidden;
}

.curtain-reveal::before,
.curtain-reveal::after {
  content: '';
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background: var(--color-burgundy);
  z-index: 10;
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1);
}

.curtain-reveal::before {
  left: 0;
}

.curtain-reveal::after {
  right: 0;
}

.curtain-reveal--open::before {
  transform: translateX(-100%);
}

.curtain-reveal--open::after {
  transform: translateX(100%);
}

/* ================================
   Text Animations
================================ */

/* Elegant Letter Spacing Animation */
@keyframes letterReveal {
  from {
    letter-spacing: 0.5em;
    opacity: 0;
  }
  to {
    letter-spacing: 0.15em;
    opacity: 1;
  }
}

.text-reveal {
  animation: letterReveal 1s ease forwards;
}

/* Typewriter Effect */
.typewriter {
  overflow: hidden;
  border-right: 2px solid var(--color-gold);
  white-space: nowrap;
  animation: 
    typing 3.5s steps(40, end),
    blink-caret 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 100%; }
}

@keyframes blink-caret {
  from, to { border-color: transparent; }
  50% { border-color: var(--color-gold); }
}

/* ================================
   Particle System
================================ */

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

.particle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
  opacity: 0;
  animation: particleFloat 8s ease-in-out infinite;
}

@keyframes particleFloat {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }
  20% {
    opacity: 0.6;
    transform: translateY(80vh) scale(1);
  }
  80% {
    opacity: 0.6;
  }
  100% {
    transform: translateY(-10vh) scale(0);
    opacity: 0;
  }
}

/* Generate multiple particles with different delays */
.particle:nth-child(1) { left: 10%; animation-delay: 0s; }
.particle:nth-child(2) { left: 20%; animation-delay: 1s; }
.particle:nth-child(3) { left: 30%; animation-delay: 2s; }
.particle:nth-child(4) { left: 40%; animation-delay: 3s; }
.particle:nth-child(5) { left: 50%; animation-delay: 4s; }
.particle:nth-child(6) { left: 60%; animation-delay: 5s; }
.particle:nth-child(7) { left: 70%; animation-delay: 6s; }
.particle:nth-child(8) { left: 80%; animation-delay: 7s; }
.particle:nth-child(9) { left: 90%; animation-delay: 0.5s; }
.particle:nth-child(10) { left: 15%; animation-delay: 1.5s; }

/* ================================
   Spotlight Effect
================================ */

.spotlight {
  position: relative;
}

.spotlight::before {
  content: '';
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  width: 300px;
  height: 300px;
  background: radial-gradient(
    ellipse at center,
    rgba(201, 169, 98, 0.15) 0%,
    transparent 70%
  );
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-slow);
}

.spotlight:hover::before {
  opacity: 1;
}

/* ================================
   Button Ripple Effect
================================ */

.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s ease, height 0.6s ease;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}

/* ================================
   Image Parallax
================================ */

.parallax-container {
  overflow: hidden;
}

.parallax-image {
  transform: scale(1.2);
  transition: transform 0.1s linear;
}

/* ================================
   Magnetic Button
================================ */

.magnetic-btn {
  transition: transform var(--transition-fast);
}

/* ================================
   Custom Cursor
================================ */

.custom-cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transition: transform 0.15s ease, width 0.2s ease, height 0.2s ease;
  transform: translate(-50%, -50%);
}

.custom-cursor--hover {
  width: 40px;
  height: 40px;
  background: rgba(201, 169, 98, 0.1);
}

.custom-cursor-dot {
  position: fixed;
  width: 4px;
  height: 4px;
  background: var(--color-gold);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%);
}

/* ================================
   Disable animations for reduced motion
================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .floating-note,
  .particle {
    display: none;
  }
}