/* ============================================================
   NariTales India — Animations (Luxury Dark Theme)
   Keyframes, scroll reveal, hover lifts, motion utilities
   ============================================================ */

/* Keyframes */
@keyframes skeleton-loading {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

@keyframes shimmer {
  0% { background-position: -400px 0; }
  100% { background-position: 400px 0; }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateX(120%) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@keyframes toast-out {
  to {
    opacity: 0;
    transform: translateX(120%) scale(0.95);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-down {
  from {
    opacity: 0;
    transform: translateY(-16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes slide-up {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

@keyframes slide-down {
  from { transform: translateY(-100%); }
  to { transform: translateY(0); }
}

@keyframes slide-in-right {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

@keyframes slide-in-left {
  from { transform: translateX(-100%); }
  to { transform: translateX(0); }
}

/* Luxury gold pulse glow */
@keyframes pulse-glow {
  0%, 100% {
    box-shadow: 0 0 20px rgba(246, 226, 166, 0.3);
  }
  50% {
    box-shadow: 0 0 40px rgba(246, 226, 166, 0.5);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

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

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes heart-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

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

/* Luxury shimmer for gold elements */
@keyframes gold-shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

/* Scroll reveal — motion.js adds `.is-visible` */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
  will-change: opacity, transform;
}

[data-animate="fade"] {
  transform: none;
}

[data-animate="scale"] {
  transform: scale(0.96);
}

[data-animate="slide-left"] {
  transform: translateX(24px);
}

[data-animate="slide-right"] {
  transform: translateX(-24px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Reveal (alias used elsewhere) */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

.reveal.is-visible,
.reveal.reveal-visible {
  opacity: 1;
  transform: none;
}

/* Reveal variants — data-reveal="..." */
.reveal[data-reveal="fade-in"] {
  transform: none;
}
.reveal[data-reveal="fade-up"] {
  transform: translateY(20px);
}
.reveal[data-reveal="slide-left"] {
  transform: translateX(24px);
}
.reveal[data-reveal="slide-right"] {
  transform: translateX(-24px);
}
.reveal[data-reveal="zoom"] {
  transform: scale(0.96);
}

.reveal.is-visible[data-reveal="slide-left"],
.reveal.is-visible[data-reveal="slide-right"],
.reveal.reveal-visible[data-reveal="slide-left"],
.reveal.reveal-visible[data-reveal="slide-right"] {
  transform: translateX(0);
}

.reveal.is-visible[data-reveal="zoom"],
.reveal.reveal-visible[data-reveal="zoom"] {
  transform: scale(1);
}

/* Stagger delays — set inline by motion.js, but also available as utility */
.stagger-1 { transition-delay: 60ms; }
.stagger-2 { transition-delay: 120ms; }
.stagger-3 { transition-delay: 180ms; }
.stagger-4 { transition-delay: 240ms; }
.stagger-5 { transition-delay: 300ms; }
.stagger-6 { transition-delay: 360ms; }
.stagger-7 { transition-delay: 420ms; }
.stagger-8 { transition-delay: 480ms; }

/* Hover lifts (apply to interactive cards) */
.lift {
  transition: transform var(--duration-base) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out);
}

.lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}

.lift-sm {
  transition: transform var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
}

.lift-sm:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Press feedback (used by .btn) */
.press {
  transition: transform var(--duration-instant) var(--ease-out);
}

.press:active {
  transform: scale(0.97);
}

/* Toast in/out */
.toast {
  animation: toast-in var(--duration-base) var(--ease-spring) forwards;
}

.toast.toast-out {
  animation: toast-out var(--duration-base) var(--ease-in-out) forwards;
}

/* Skeleton shimmer */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--skeleton-base) 0%,
    var(--skeleton-shine) 50%,
    var(--skeleton-base) 100%
  );
  background-size: 200px 100%;
  background-repeat: no-repeat;
  animation: skeleton-loading 1.4s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-line {
  display: block;
  height: 14px;
  background: linear-gradient(
    90deg,
    var(--skeleton-base) 0%,
    var(--skeleton-shine) 50%,
    var(--skeleton-base) 100%
  );
  background-size: 200px 100%;
  background-repeat: no-repeat;
  animation: skeleton-loading 1.4s ease-in-out infinite;
  border-radius: var(--radius-sm);
}

.skeleton-btn {
  display: block;
  height: 40px;
  background: linear-gradient(
    90deg,
    var(--skeleton-base) 0%,
    var(--skeleton-shine) 50%,
    var(--skeleton-base) 100%
  );
  background-size: 200px 100%;
  background-repeat: no-repeat;
  animation: skeleton-loading 1.4s ease-in-out infinite;
  border-radius: var(--radius-lg);
  margin-top: 12px;
}

/* Loading spinner */
.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--glass-border);
  border-top-color: var(--brand-gold);
  border-radius: 50%;
  animation: spin 800ms linear infinite;
}

/* Utility motion */
.animate-fade-in { animation: fade-in var(--duration-base) var(--ease-out) forwards; }
.animate-fade-up { animation: fade-up var(--duration-base) var(--ease-out) forwards; }
.animate-scale-in { animation: scale-in var(--duration-base) var(--ease-spring) forwards; }
.animate-float { animation: float 3s var(--ease-in-out) infinite; }
.animate-pulse-glow { animation: pulse-glow 2s var(--ease-in-out) infinite; }

/* Wishlist heart pop */
.wishlist-btn.is-pulsing i,
.wishlist-btn.is-pulsing svg {
  animation: heart-pop 400ms var(--ease-spring);
}

/* Luxury button shine effect */
.btn-shine {
  position: relative;
  overflow: hidden;
}

.btn-shine::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  transition: left 0.5s ease;
}

.btn-shine:hover::before {
  left: 100%;
}

/* Page transition */
.page-enter {
  opacity: 0;
  transform: translateY(20px);
}

.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 300ms ease-out, transform 300ms ease-out;
}

/* Reduced motion — override everything */
@media (prefers-reduced-motion: reduce) {
  [data-animate],
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: color 100ms linear, background-color 100ms linear, border-color 100ms linear !important;
  }

  .skeleton,
  .skeleton-line,
  .skeleton-btn {
    animation: none !important;
    background: var(--skeleton-base) !important;
  }

  .animate-float,
  .animate-pulse-glow {
    animation: none !important;
  }

  .lift:hover,
  .lift-sm:hover {
    transform: none !important;
  }

  .btn-shine::before {
    display: none;
  }
}