/* ============================================================
   Digital4Win PMS — Animations & Transitions
   ============================================================ */

/* ── Keyframes ─────────────────────────────────────────────── */

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

@keyframes slideInLeft {
  from {
    opacity: 0;
    transform: translateX(-40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(40px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

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

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

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

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

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

/* ── Reveal (IntersectionObserver) ─────────────────────────── */

.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* Stagger delay support */
.reveal[data-delay="100"] { transition-delay: 100ms; }
.reveal[data-delay="200"] { transition-delay: 200ms; }
.reveal[data-delay="300"] { transition-delay: 300ms; }
.reveal[data-delay="400"] { transition-delay: 400ms; }
.reveal[data-delay="500"] { transition-delay: 500ms; }
.reveal[data-delay="600"] { transition-delay: 600ms; }

/* ── Directional Slides ───────────────────────────────────── */

.slide-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ── Animated Gradient Background ──────────────────────────── */

.gradient-animate {
  background: linear-gradient(
    -45deg,
    var(--primary-50),
    var(--bg),
    #E0F2FE,
    var(--primary-50)
  );
  background-size: 400% 400%;
  animation: gradientShift 12s ease infinite;
}

/* ── Skeleton Loading ──────────────────────────────────────── */

.skeleton {
  position: relative;
  overflow: hidden;
  background: var(--border-light);
  border-radius: var(--radius-md);
  color: transparent !important;
  user-select: none;
  pointer-events: none;
}

.skeleton * {
  visibility: hidden;
}

.skeleton::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite linear;
}

.skeleton-text {
  height: 14px;
  border-radius: var(--radius-sm);
  background: var(--border-light);
  position: relative;
  overflow: hidden;
}

.skeleton-text::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite linear;
}

.skeleton-text.short {
  width: 60%;
}

.skeleton-text.medium {
  width: 80%;
}

.skeleton-circle {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--border-light);
  position: relative;
  overflow: hidden;
}

.skeleton-circle::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite linear;
}

.skeleton-card {
  height: 120px;
  border-radius: var(--radius-lg);
  background: var(--border-light);
  position: relative;
  overflow: hidden;
}

.skeleton-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.6),
    transparent
  );
  background-size: 400px 100%;
  animation: shimmer 1.5s infinite linear;
}

/* ── Transition Utilities ──────────────────────────────────── */

.transition-all {
  transition: all var(--transition-base);
}

.transition-fast {
  transition: all var(--transition-fast);
}

.transition-slow {
  transition: all var(--transition-slow);
}

.transition-colors {
  transition: color var(--transition-fast),
              background-color var(--transition-fast),
              border-color var(--transition-fast);
}

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

.transition-opacity {
  transition: opacity var(--transition-base);
}

/* ── Hover Effects ─────────────────────────────────────────── */

.hover-lift {
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.hover-scale:hover {
  transform: scale(1.02);
}

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

.hover-glow:hover {
  box-shadow: 0 0 0 4px rgba(20, 184, 166, 0.12);
}

/* ── Page Transition ───────────────────────────────────────── */

.page-enter {
  animation: fadeIn 0.3s ease forwards;
}

.page-leave {
  animation: fadeIn 0.2s ease reverse forwards;
}

/* ── 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;
    transition: none;
  }
}