/* ============================================
   NOVA SPOT — Animations
   Keyframes, reveal classes, hover effects
   ============================================ */

/* --- Keyframes --- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

@keyframes fadeInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes fadeInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to   { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50%      { transform: scale(1.05); opacity: 0.8; }
}

@keyframes pulseRing {
  0%   { transform: scale(0.8); opacity: 1; }
  100% { transform: scale(2.5); opacity: 0; }
}

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

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

@keyframes rotate {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

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

@keyframes bounceIn {
  0%   { opacity: 0; transform: scale(0.3); }
  50%  { opacity: 1; transform: scale(1.05); }
  70%  { transform: scale(0.9); }
  100% { transform: scale(1); }
}

/* --- Scroll Reveal (Intersection Observer) --- */
.reveal {
  opacity: 0;
  transition: opacity var(--duration-slower) var(--ease-out),
              transform var(--duration-slower) var(--ease-out);
}

.reveal.reveal-up {
  transform: translateY(40px);
}

.reveal.reveal-down {
  transform: translateY(-40px);
}

.reveal.reveal-left {
  transform: translateX(-40px);
}

.reveal.reveal-right {
  transform: translateX(40px);
}

.reveal.reveal-scale {
  transform: scale(0.9);
}

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

/* Stagger delays */
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }
.reveal-delay-6 { transition-delay: 600ms; }
.reveal-delay-7 { transition-delay: 700ms; }
.reveal-delay-8 { transition-delay: 800ms; }

/* --- Hover Animations --- */
.hover-lift {
  transition: var(--transition-base);
}
.hover-lift:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl);
}

.hover-scale {
  transition: var(--transition-base);
}
.hover-scale:hover {
  transform: scale(1.03);
}

.hover-glow {
  transition: var(--transition-base);
}
.hover-glow:hover {
  box-shadow: var(--shadow-orange);
}

/* --- Image Hover Zoom --- */
.img-zoom {
  overflow: hidden;
  border-radius: var(--radius-lg);
}
.img-zoom img {
  transition: transform var(--duration-slow) var(--ease-out);
  will-change: transform;
}
.img-zoom:hover img {
  transform: scale(1.08);
}

/* --- Button Press Effect --- */
.btn-press {
  transition: var(--transition-fast);
}
.btn-press:active {
  transform: scale(0.96);
}

/* --- Ripple Effect --- */
.ripple-container {
  position: relative;
  overflow: hidden;
}
.ripple-container .ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  transform: scale(0);
  animation: ripple 0.6s linear;
  pointer-events: none;
}

/* --- Skeleton Loading --- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-gray-200) 25%,
    var(--color-gray-100) 37%,
    var(--color-gray-200) 63%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
  border-radius: var(--radius-sm);
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: 12px;
  border-radius: var(--radius-sm);
}

.skeleton-img {
  height: 200px;
  border-radius: var(--radius-lg);
}

/* --- Floating Animation --- */
.animate-float {
  animation: float 3s ease-in-out infinite;
}

/* --- Page Transition --- */
.page-transition {
  animation: fadeIn var(--duration-slow) var(--ease-out);
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  .reveal {
    opacity: 1;
    transform: none;
  }
  
  html {
    scroll-behavior: auto;
  }
}