/* ==========================================================================
   DIGI MODE — Motion & Animation System
   Engineered Easing: cubic-bezier(0.16, 1, 0.3, 1)
   Performance: Only GPU-accelerated transform & opacity
   Accessibility: Full prefers-reduced-motion override
   ========================================================================== */

:root {
  --ease-lux: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-sharp: cubic-bezier(0.25, 1, 0.5, 1);
}

/* --------------------------------------------------------------------------
   1. Hero Orchestrated Entrance Sequence (Runs Once on Page Load)
   -------------------------------------------------------------------------- */
@keyframes heroTextLineIn {
  0% {
    opacity: 0;
    transform: translateY(28px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes heroImageSettle {
  0% {
    opacity: 0;
    transform: scale(1.08);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes heroBadgeFadeIn {
  0% {
    opacity: 0;
    transform: translateY(16px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-animate-title {
  opacity: 0;
  animation: heroTextLineIn 1000ms var(--ease-lux) 120ms forwards;
}

.hero-animate-subhead {
  opacity: 0;
  animation: heroTextLineIn 1000ms var(--ease-lux) 260ms forwards;
}

.hero-animate-actions {
  opacity: 0;
  animation: heroTextLineIn 1000ms var(--ease-lux) 400ms forwards;
}

.hero-visual img {
  opacity: 0;
  animation: heroImageSettle 1300ms var(--ease-lux) 200ms forwards;
  will-change: transform, opacity;
}

.hero-visual-badge {
  opacity: 0;
  animation: heroBadgeFadeIn 900ms var(--ease-lux) 700ms forwards;
}

/* --------------------------------------------------------------------------
   2. IntersectionObserver Scroll Reveal Classes
   -------------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 700ms var(--ease-lux), transform 700ms var(--ease-lux);
  will-change: transform, opacity;
}

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

/* Sibling Stagger Delays (60-90ms) */
.stagger-1 { transition-delay: 0ms; }
.stagger-2 { transition-delay: 70ms; }
.stagger-3 { transition-delay: 140ms; }
.stagger-4 { transition-delay: 210ms; }
.stagger-5 { transition-delay: 280ms; }
.stagger-6 { transition-delay: 350ms; }
.stagger-7 { transition-delay: 420ms; }
.stagger-8 { transition-delay: 490ms; }

/* Subtle Scale Reveal for Product Images */
.reveal-scale {
  opacity: 0;
  transform: scale(0.97);
  transition: opacity 650ms var(--ease-lux), transform 650ms var(--ease-lux);
}

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

/* --------------------------------------------------------------------------
   3. Accordion & Subcategory Expansion Animation
   -------------------------------------------------------------------------- */
.rail-subcat-list {
  overflow: hidden;
  transition: max-height 350ms var(--ease-lux), opacity 300ms var(--ease-lux);
}

/* --------------------------------------------------------------------------
   4. Micro-Interactions (Buttons, Underlines, Links)
   -------------------------------------------------------------------------- */
.btn {
  transition: transform 160ms var(--ease-sharp), 
              background-color 200ms ease, 
              border-color 200ms ease, 
              box-shadow 200ms ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:active {
  transform: translateY(1px);
}

/* Link Underline Draw */
.draw-underline {
  position: relative;
  display: inline-block;
}

.draw-underline::after {
  content: '';
  position: absolute;
  width: 100%;
  transform: scaleX(0);
  height: 1px;
  bottom: 0;
  left: 0;
  background-color: currentColor;
  transform-origin: bottom right;
  transition: transform 260ms var(--ease-lux);
}

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

/* --------------------------------------------------------------------------
   5. Brands Continuous Moving Marquee Animation
   -------------------------------------------------------------------------- */
@keyframes brandsMarquee {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-50%, 0, 0);
  }
}

/* --------------------------------------------------------------------------
   6. Accessible Reduced Motion Override (Non-Negotiable)
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }

  .reveal,
  .hero-animate-title,
  .hero-animate-subhead,
  .hero-animate-actions,
  .hero-visual img,
  .hero-visual-badge,
  .reveal-scale {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
  }

  .brands-marquee-track {
    animation: none !important;
    flex-wrap: wrap !important;
    justify-content: center !important;
  }

  .brands-marquee-wrap {
    mask-image: none !important;
    -webkit-mask-image: none !important;
  }
}