/* ==========================================================================
   AminIQ Dev — Animations (Vanilla JS driven, CSS powered)
   ========================================================================== */

/* --------------------------------------------------------------------------
   Scroll reveal base classes
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
  will-change: opacity, transform;
}

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

.reveal--scale {
  opacity: 0;
  transform: scale(0.94);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

.reveal--slide-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

.reveal--slide-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s var(--ease-out-expo), transform 0.7s var(--ease-out-expo);
}

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

/* Stagger children */
.stagger > * {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-out-expo), transform 0.6s var(--ease-out-expo);
}

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

/* --------------------------------------------------------------------------
   Glow animation
   -------------------------------------------------------------------------- */
.glow {
  position: relative;
}

.glow::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, var(--color-blue), var(--color-violet), var(--color-pink), var(--color-cyan));
  background-size: 300% 300%;
  z-index: -1;
  opacity: 0;
  filter: blur(12px);
  animation: gradientMove 4s ease infinite;
  transition: opacity var(--duration-normal);
}

.glow:hover::before {
  opacity: 0.6;
}

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

/* --------------------------------------------------------------------------
   Gradient border animation
   -------------------------------------------------------------------------- */
.gradient-border {
  position: relative;
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  z-index: 1;
}

.gradient-border::before {
  content: '';
  position: absolute;
  inset: -1.5px;
  border-radius: calc(var(--radius-lg) + 1.5px);
  background: linear-gradient(135deg, var(--color-blue), var(--color-violet), var(--color-pink), var(--color-cyan));
  background-size: 300% 300%;
  z-index: -1;
  animation: gradientMove 6s ease infinite;
  opacity: 0.7;
}

/* --------------------------------------------------------------------------
   Animated underline
   -------------------------------------------------------------------------- */
.animated-underline {
  position: relative;
}

.animated-underline::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-violet));
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

.animated-underline:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

/* --------------------------------------------------------------------------
   Loader / page transition
   -------------------------------------------------------------------------- */
.page-loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: grid;
  place-items: center;
  background: var(--bg-body);
  transition: opacity 0.4s var(--ease-out-expo), visibility 0.4s;
}

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

.page-loader__spinner {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: conic-gradient(from 0deg, var(--color-blue), var(--color-violet), var(--color-pink), var(--color-blue));
  mask: radial-gradient(circle, transparent 55%, black 56%);
  -webkit-mask: radial-gradient(circle, transparent 55%, black 56%);
  animation: spin 1s linear infinite;
}

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

/* --------------------------------------------------------------------------
   Counter animation helper
   -------------------------------------------------------------------------- */
.counter {
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Focus visible global
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 2px;
}

a:focus-visible,
button:focus-visible {
  border-radius: 4px;
}

/* --------------------------------------------------------------------------
   Hero entrance animation
   -------------------------------------------------------------------------- */
.hero__content > * {
  opacity: 0;
  transform: translateY(24px);
  animation: heroEntrance 0.8s var(--ease-out-expo) forwards;
}

.hero__content > *:nth-child(1) { animation-delay: 0.1s; }
.hero__content > *:nth-child(2) { animation-delay: 0.2s; }
.hero__content > *:nth-child(3) { animation-delay: 0.3s; }
.hero__content > *:nth-child(4) { animation-delay: 0.4s; }
.hero__content > *:nth-child(5) { animation-delay: 0.5s; }

@keyframes heroEntrance {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__visual {
  opacity: 0;
  transform: translateX(40px) scale(0.96);
  animation: heroVisual 1s var(--ease-out-expo) 0.3s forwards;
}

@keyframes heroVisual {
  to {
    opacity: 1;
    transform: translateX(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero__content > *,
  .hero__visual {
    opacity: 1;
    transform: none;
    animation: none;
  }
}