/* ============================================================
   MEKO Saigon Animations — animations.css
   CSS-only animations for the POC
   ============================================================ */

/* ----------------------------------------------------------
   1. SCROLL REVEAL — Fade In
   ---------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0),
              transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

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

/* Stagger children */
.reveal-stagger > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-stagger > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-stagger > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-stagger > .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-stagger > .reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal-stagger > .reveal:nth-child(6) { transition-delay: 0.5s; }


/* ----------------------------------------------------------
   2. DIRECTIONAL REVEALS
   ---------------------------------------------------------- */
.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0),
              transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

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

.slide-left {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0),
              transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

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

.slide-right {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0),
              transform 0.6s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}

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


/* ----------------------------------------------------------
   3. ANIMATED GRADIENT BACKGROUND
   ---------------------------------------------------------- */
.gradient-animate {
  background: linear-gradient(
    135deg,
    var(--bg) 0%,
    rgba(197, 165, 90, 0.06) 25%,
    var(--bg) 50%,
    rgba(74, 155, 165, 0.04) 75%,
    var(--bg) 100%
  );
  background-size: 400% 400%;
  animation: gradient-shift 12s ease infinite;
}

@keyframes gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}


/* ----------------------------------------------------------
   4. SHIMMER — Loading Skeleton
   ---------------------------------------------------------- */
@keyframes shimmer {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}


/* ----------------------------------------------------------
   5. MARQUEE — Horizontal Scroll
   ---------------------------------------------------------- */
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.marquee-track {
  animation: marquee 30s linear infinite;
}

.marquee-track:hover {
  animation-play-state: paused;
}


/* ----------------------------------------------------------
   6. CONFIGURATOR STEP TRANSITIONS
   ---------------------------------------------------------- */
.step-transition {
  animation: step-enter 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes step-enter {
  0% {
    opacity: 0;
    transform: translateX(30px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.step-transition-reverse {
  animation: step-enter-reverse 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes step-enter-reverse {
  0% {
    opacity: 0;
    transform: translateX(-30px);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.step-exit {
  animation: step-leave 0.3s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes step-leave {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateX(-30px);
  }
}

.step-exit-reverse {
  animation: step-leave-reverse 0.3s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes step-leave-reverse {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateX(30px);
  }
}


/* ----------------------------------------------------------
   7. TOAST NOTIFICATIONS
   ---------------------------------------------------------- */
.toast-in {
  animation: toast-slide-in 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes toast-slide-in {
  0% {
    opacity: 0;
    transform: translateX(100%);
  }
  100% {
    opacity: 1;
    transform: translateX(0);
  }
}

.toast-out {
  animation: toast-slide-out 0.3s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes toast-slide-out {
  0% {
    opacity: 1;
    transform: translateX(0);
  }
  100% {
    opacity: 0;
    transform: translateX(100%);
  }
}


/* ----------------------------------------------------------
   8. MODAL TRANSITIONS
   ---------------------------------------------------------- */
.modal-enter {
  animation: modal-scale-in 0.3s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes modal-scale-in {
  0% {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.modal-exit {
  animation: modal-scale-out 0.2s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes modal-scale-out {
  0% {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
  100% {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
  }
}


/* ----------------------------------------------------------
   9. PULSE & GLOW
   ---------------------------------------------------------- */
@keyframes pulse-gold {
  0%, 100% { box-shadow: 0 0 0 0 rgba(197, 165, 90, 0.3); }
  50% { box-shadow: 0 0 16px 4px rgba(197, 165, 90, 0.15); }
}

.pulse-gold {
  animation: pulse-gold 2s cubic-bezier(0.25, 0.1, 0.25, 1.0) infinite;
}

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

.float {
  animation: float 3s cubic-bezier(0.25, 0.1, 0.25, 1.0) infinite;
}


/* ----------------------------------------------------------
   10. COUNTER ANIMATION (for stats)
   ---------------------------------------------------------- */
.counter-animate {
  display: inline-block;
  transition: all 0.4s cubic-bezier(0.25, 0.1, 0.25, 1.0);
}


/* ----------------------------------------------------------
   11. PAGE TRANSITIONS
   ---------------------------------------------------------- */
.page-enter {
  animation: page-fade-in 0.3s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes page-fade-in {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-exit {
  animation: page-fade-out 0.2s cubic-bezier(0.25, 0.1, 0.25, 1.0) forwards;
}

@keyframes page-fade-out {
  0% {
    opacity: 1;
    transform: translateY(0);
  }
  100% {
    opacity: 0;
    transform: translateY(-8px);
  }
}


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

  .reveal,
  .slide-up,
  .slide-left,
  .slide-right {
    opacity: 1;
    transform: none;
  }

  .marquee-track {
    animation: none;
  }
}