/* =============================================
   SCROLL REVEAL ANIMATIONS
   GPU-accelerated via transform + opacity
   ============================================= */

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scale-in {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.scale-in.visible {
  opacity: 1;
  transform: scale(1);
}

/* New reveal system — scroll reveal base + variants */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(32px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered reveal-group — nth-child delay handled in JS via stagger-hidden */
.reveal-group .reveal { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal-group .reveal:nth-child(1) { transition-delay: 0ms; }
.reveal-group .reveal:nth-child(2) { transition-delay: 80ms; }
.reveal-group .reveal:nth-child(3) { transition-delay: 160ms; }
.reveal-group .reveal:nth-child(4) { transition-delay: 240ms; }
.reveal-group .reveal:nth-child(5) { transition-delay: 320ms; }
.reveal-group .reveal:nth-child(6) { transition-delay: 400ms; }
.reveal-group .reveal:nth-child(n+7) { transition-delay: 480ms; }
.reveal-group .reveal.visible { opacity: 1; transform: translateY(0); }

/* Staggered children — delays handled by nth-child */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}
.stagger-children.visible > *:nth-child(1) { transition-delay: 0.0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(n+7) { transition-delay: 0.6s; }
.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* =============================================
   SKELETON LOADING
   ============================================= */

.skeleton {
  background: linear-gradient(
    90deg,
    #1a1a1a 0%,
    rgba(255, 255, 255, 0.04) 50%,
    #1a1a1a 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: 8px;
}
@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-text {
  height: 16px;
  margin-bottom: 8px;
}
.skeleton-text:last-child {
  width: 60%;
  margin-bottom: 0;
}
.skeleton-title {
  height: 28px;
  margin-bottom: 12px;
}
.skeleton-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
}
.skeleton-image {
  width: 100%;
  height: 200px;
  border-radius: 12px;
}
.skeleton-button {
  height: 44px;
  width: 140px;
  border-radius: 8px;
}
.skeleton-card {
  background: #222222;
  border-radius: 12px;
  padding: 24px;
}
.skeleton-line {
  height: 12px;
  margin-bottom: 8px;
  border-radius: 4px;
}
.skeleton-line:last-child {
  width: 40%;
}

/* Additional skeleton size variants */
.skeleton-circle {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}
.skeleton-line {
  height: 16px;
  width: 100%;
  border-radius: 4px;
}
.skeleton-line.short { width: 60%; }
.skeleton-line.medium { width: 80%; }
.skeleton-card {
  height: 200px;
  border-radius: 12px;
}

/* =============================================
   MICROINTERACTIONS (HOVER)
   ============================================= */

.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}
.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.hover-zoom img,
.hover-zoom .img-inner {
  transition: transform 0.4s ease;
}
.hover-zoom:hover img,
.hover-zoom:hover .img-inner {
  transform: scale(1.08);
}

.hover-glow:hover {
  box-shadow: 0 0 30px rgba(255, 122, 0, 0.35);
}

.link-animated {
  position: relative;
}
.link-animated::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: #FF7A00;
  transition: width 0.2s ease;
}
.link-animated:hover::after {
  width: 100%;
}

.hover-rotate:hover svg,
.hover-rotate:hover .icon {
  transform: rotate(15deg);
  transition: transform 0.15s ease;
}

.hover-color {
  transition: color 0.15s ease;
}
.hover-color:hover {
  color: #FF7A00;
}

/* Press effect — for buttons */
.press-effect:active {
  transform: scale(0.97);
}

/* Glow pulse — for primary CTAs */
@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px rgba(255, 122, 0, 0.2); }
  50% { box-shadow: 0 0 35px rgba(255, 122, 0, 0.4); }
}
.glow-pulse {
  animation: glowPulse 2s ease-in-out infinite;
}

/* Image hover zoom */
.img-hover-zoom {
  overflow: hidden;
}
.img-hover-zoom img {
  transition: transform 0.4s ease;
}
.img-hover-zoom:hover img {
  transform: scale(1.08);
}

/* Text highlight on hover */
.text-hover-highlight {
  transition: color 0.15s ease;
}
.text-hover-highlight:hover {
  color: #FF7A00;
}

/* =============================================
   ANIMATED COUNTER
   ============================================= */

.counter {
  font-variant-numeric: tabular-nums;
}
.counter.animating {
  transition: none;
}

/* =============================================
   PAGE TRANSITIONS
   ============================================= */

.page-enter {
  opacity: 0;
  transform: translateY(8px);
}
.page-enter-active {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.25s ease, transform 0.25s ease;
}

.page-content {
  animation: page-enter 0.4s ease forwards;
}
@keyframes page-enter {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* =============================================
   ACCESSIBILITY — Reduced Motion
   ============================================= */

@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .fade-in-left,
  .fade-in-right,
  .scale-in,
  .reveal,
  .reveal-left,
  .reveal-right,
  .stagger-children > * {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .skeleton {
    animation: none;
    background: #1a1a1a;
  }
  .page-enter,
  .page-enter-active,
  .page-content {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .counter.animating {
    transition: none;
  }
  .glow-pulse {
    animation: none;
  }
}