/* ========================================
   SCROLL REVEAL - Subtle Apple-style
   ======================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
.reveal--delay-5 { transition-delay: 400ms; }

/* ========================================
   REVEAL VARIANTS
   ======================================== */

/* Scale in - subtle */
.reveal--scale {
  opacity: 0;
  transform: scale(0.98);
}

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

/* Slide from left */
.reveal--left {
  opacity: 0;
  transform: translateX(-30px);
}

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

/* Slide from right */
.reveal--right {
  opacity: 0;
  transform: translateX(30px);
}

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

/* Blur reveal - Apple-style (subtle blur) */
.reveal--blur {
  opacity: 0;
  transform: translateY(20px);
  filter: blur(6px);
  transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              filter 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Zoom in - subtle for visuals/images */
.reveal--zoom {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

/* Stagger children animation */
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(15px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal-stagger.reveal--visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.reveal-stagger.reveal--visible > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }

/* Horizontal line grow - subtle */
.reveal--line {
  width: 0;
  height: 2px;
  background: var(--vs-accent);
  transition: width 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal--line.reveal--visible {
  width: 60px;
}

/* ========================================
   KEYFRAME ANIMATIONS
   ======================================== */

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.03); opacity: 0.8; }
}

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

@keyframes slideUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ambientShift {
  0% { transform: scale(1) translate(0, 0); }
  33% { transform: scale(1.02) translate(-1%, 1%); }
  66% { transform: scale(1.04) translate(1%, -0.5%); }
  100% { transform: scale(1) translate(-0.5%, 0.5%); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

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

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

@keyframes shinyText {
  0% { background-position: 100% center; }
  100% { background-position: -100% center; }
}

/* ========================================
   SHINY TEXT EFFECT - ReactBits inspired
   Subtle light sweep across hero titles
   ======================================== */
.shiny-text {
  background: linear-gradient(
    120deg,
    rgba(255, 255, 255, 1) 0%,
    rgba(255, 255, 255, 1) 33%,
    rgba(255, 255, 255, 0.6) 45%,
    rgba(200, 220, 255, 0.85) 48%,
    rgba(255, 255, 255, 1) 50%,
    rgba(255, 255, 255, 0.6) 52%,
    rgba(200, 220, 255, 0.85) 55%,
    rgba(255, 255, 255, 1) 67%,
    rgba(255, 255, 255, 1) 100%
  );
  background-size: 250% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shinyText 5s ease-in-out infinite;
}

/* ========================================
   BORDER GLOW EFFECT - ReactBits inspired
   Mouse-tracking gradient border glow
   ======================================== */
.border-glow {
  position: relative;
  overflow: hidden;
}

.border-glow::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  border-radius: inherit;
  padding: 2px;
  background: conic-gradient(
    from var(--glow-angle, 180deg) at var(--glow-x, 50%) var(--glow-y, 50%),
    var(--glow-color, rgba(33, 150, 243, 0.6)) 0%,
    transparent 40%,
    transparent 60%,
    var(--glow-color, rgba(33, 150, 243, 0.6)) 100%
  );
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 1;
}

.border-glow:hover::before {
  opacity: 1;
}

/* Outer soft glow shadow on hover */
.border-glow::after {
  content: '';
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  bottom: -1px;
  border-radius: inherit;
  background: transparent;
  box-shadow: 0 0 20px 2px var(--glow-color, rgba(33, 150, 243, 0.15));
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
  z-index: 0;
}

.border-glow:hover::after {
  opacity: 1;
}

/* Product-specific glow colors */
.border-glow--schooltray { --glow-color: rgba(33, 150, 243, 0.6); }
.border-glow--jman { --glow-color: rgba(230, 81, 0, 0.6); }
.border-glow--linkweb { --glow-color: rgba(46, 125, 50, 0.6); }
.border-glow--scholarstack { --glow-color: rgba(106, 27, 154, 0.6); }

/* CTA button glow — accent blue pulse */
.border-glow--cta {
  --glow-color: rgba(0, 113, 227, 0.7);
}

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

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

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

/* ========================================
   UTILITY ANIMATION CLASSES
   ======================================== */

/* ========================================
   TRANSITION UTILITIES
   ======================================== */
.transition-all {
  transition: all var(--vs-transition);
}

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

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

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

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

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

/* ========================================
   HOVER EFFECTS
   ======================================== */
.hover-lift {
  transition: transform var(--vs-transition), box-shadow var(--vs-transition);
}

.hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

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

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

.hover-opacity {
  transition: opacity var(--vs-transition);
}

.hover-opacity:hover {
  opacity: 0.8;
}

/* ========================================
   REDUCED MOTION - Accessibility
   ======================================== */
@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,
  .reveal--blur,
  .reveal--zoom,
  .reveal--scale,
  .reveal--left,
  .reveal--right {
    opacity: 1;
    transform: none;
    filter: none;
  }

  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }

  .hero__slide {
    transition: none;
  }

  .hero__slide--active .hero__content,
  .hero__slide--active .hero__visual {
    animation: none;
  }

  .hover-lift:hover {
    transform: none;
  }

  .hover-scale:hover {
    transform: none;
  }

  .shiny-text {
    background: none;
    -webkit-background-clip: unset;
    background-clip: unset;
    -webkit-text-fill-color: currentColor;
    animation: none;
  }

  .border-glow::before,
  .border-glow::after {
    display: none;
  }
}