/* ============================================================
   HOTEL KAILASHA INN — ANIMATIONS
   Premium Micro-Interactions & Scroll Reveals
   ============================================================ */

/* ============================================================
   1. SCROLL REVEAL ANIMATIONS
   ============================================================ */

/* Base state for all animated elements */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
  will-change: opacity, transform;
}

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

/* Fade in up */
.reveal-up {
  opacity: 0;
  transform: translateY(50px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

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

/* Fade in left */
.reveal-left {
  opacity: 0;
  transform: translateX(-50px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Fade in right */
.reveal-right {
  opacity: 0;
  transform: translateX(50px);
  transition: opacity 0.7s var(--ease-smooth), transform 0.7s var(--ease-smooth);
}

.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}

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

/* Fade in */
.reveal-fade {
  opacity: 0;
  transition: opacity 0.8s var(--ease-smooth);
}

.reveal-fade.revealed {
  opacity: 1;
}

/* --- Staggered Children --- */
.stagger-children > * {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.5s var(--ease-smooth), transform 0.5s var(--ease-smooth);
}

.stagger-children.revealed > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.revealed > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children.revealed > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children.revealed > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children.revealed > *:nth-child(6) { transition-delay: 0.3s; }
.stagger-children.revealed > *:nth-child(7) { transition-delay: 0.35s; }
.stagger-children.revealed > *:nth-child(8) { transition-delay: 0.4s; }

.stagger-children.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   2. HERO ANIMATIONS
   ============================================================ */

/* Hero content entrance */
.hero-content > * {
  opacity: 0;
  transform: translateY(30px);
}

.hero.loaded .hero-content > * {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}

.hero.loaded .hero-content > *:nth-child(1) { transition-delay: 0.3s; }
.hero.loaded .hero-content > *:nth-child(2) { transition-delay: 0.5s; }
.hero.loaded .hero-content > *:nth-child(3) { transition-delay: 0.7s; }
.hero.loaded .hero-content > *:nth-child(4) { transition-delay: 0.9s; }

/* ============================================================
   3. GOLD SHIMMER EFFECT
   ============================================================ */
.gold-shimmer {
  background: var(--gold-shimmer);
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: goldShimmer 4s ease-in-out infinite;
}

@keyframes goldShimmer {
  0%, 100% { background-position: 0% center; }
  50% { background-position: 200% center; }
}

/* ============================================================
   4. COUNTER ANIMATION
   ============================================================ */
.counter-value {
  display: inline-block;
}

/* ============================================================
   5. DECORATIVE ANIMATIONS
   ============================================================ */

/* Gold line expand */
.gold-line-animate {
  width: 0;
  transition: width 0.8s var(--ease-smooth) 0.3s;
}

.revealed .gold-line-animate,
.gold-line-animate.animate {
  width: 260px;
}

/* Dot pulse */
@keyframes dotPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.5); opacity: 1; }
}

/* Float animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

/* Rotate subtle */
@keyframes rotateSlow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ============================================================
   6. LOADING ANIMATION
   ============================================================ */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 10000;
  background: var(--charcoal);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s var(--ease-smooth), visibility 0.5s var(--ease-smooth);
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-logo {
  color: var(--gold);
  margin-bottom: var(--space-xl);
  animation: loaderPulse 1.5s ease-in-out infinite;
}

.loader-logo svg {
  width: 60px;
  height: 60px;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.5; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(201, 169, 110, 0.2);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  width: 0;
  height: 100%;
  background: var(--gold);
  border-radius: 2px;
  animation: loaderFill 1.5s var(--ease-smooth) forwards;
}

@keyframes loaderFill {
  0% { width: 0; }
  100% { width: 100%; }
}

/* ============================================================
   7. PARALLAX EFFECT
   ============================================================ */
.parallax-container {
  overflow: hidden;
}

.parallax-bg {
  will-change: transform;
  transition: transform 0.1s linear;
}

/* ============================================================
   8. IMAGE HOVER EFFECTS
   ============================================================ */
.img-zoom-container {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.img-zoom-container img {
  transition: transform 0.6s var(--ease-smooth);
}

.img-zoom-container:hover img {
  transform: scale(1.08);
}

/* Ken Burns effect for hero */
@keyframes kenBurns {
  0% { transform: scale(1.05) translate(0, 0); }
  50% { transform: scale(1.1) translate(-1%, -1%); }
  100% { transform: scale(1.05) translate(0, 0); }
}

.ken-burns {
  animation: kenBurns 20s ease-in-out infinite;
}

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

.btn-ripple .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: rippleEffect 0.6s ease-out;
  pointer-events: none;
}

@keyframes rippleEffect {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* ============================================================
   10. SCROLL PROGRESS BAR
   ============================================================ */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--gold);
  z-index: 1000;
  transition: width 0.1s linear;
}

/* ============================================================
   11. CARD TILT / HOVER EFFECTS
   ============================================================ */
.card-hover-lift {
  transition: transform var(--duration-base) var(--ease-smooth),
              box-shadow var(--duration-base) var(--ease-smooth);
}

.card-hover-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
}

/* Border glow effect */
.border-glow {
  position: relative;
}

.border-glow::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--gold), transparent, var(--gold));
  z-index: -1;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-smooth);
}

.border-glow:hover::after {
  opacity: 1;
}

/* ============================================================
   12. TEXT REVEAL
   ============================================================ */
.text-reveal {
  overflow: hidden;
  display: inline-block;
}

.text-reveal span {
  display: inline-block;
  transform: translateY(100%);
  transition: transform 0.6s var(--ease-out);
}

.text-reveal.revealed span {
  transform: translateY(0);
}

/* ============================================================
   13. SECTION DIVIDER ANIMATION
   ============================================================ */
.section-divider {
  position: relative;
  height: 1px;
  background: var(--gray-200);
  max-width: 200px;
  margin: 0 auto;
}

.section-divider::before {
  content: '';
  position: absolute;
  top: -4px;
  left: 50%;
  transform: translateX(-50%);
  width: 8px;
  height: 8px;
  background: var(--gold);
  border-radius: 50%;
}

/* ============================================================
   14. SMOOTH ENTRANCE FOR PAGE
   ============================================================ */
.page-enter {
  animation: pageEnter 0.6s var(--ease-smooth) forwards;
}

@keyframes pageEnter {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}