/* ==========================================================================
   SEO Scaled Up — Lightweight Motion System
   Unique classes prefixed with "anim-" to avoid layout conflicts.
   ========================================================================== */

:root {
  --anim-duration: 0.65s;
  --anim-ease: cubic-bezier(0.22, 1, 0.36, 1);
  --anim-distance: 28px;
}

/* --------------------------------------------------------------------------
   Scroll fade-up
   -------------------------------------------------------------------------- */

.anim-fade-up {
  opacity: 0;
  transform: translate3d(0, var(--anim-distance), 0);
  transition:
    opacity var(--anim-duration) var(--anim-ease),
    transform var(--anim-duration) var(--anim-ease);
  transition-delay: var(--anim-delay, 0s);
  will-change: opacity, transform;
}

.anim-fade-up.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
  will-change: auto;
}

/* Stagger delays for grouped cards */
.anim-delay-1 { --anim-delay: 0.05s; }
.anim-delay-2 { --anim-delay: 0.12s; }
.anim-delay-3 { --anim-delay: 0.19s; }
.anim-delay-4 { --anim-delay: 0.26s; }
.anim-delay-5 { --anim-delay: 0.33s; }
.anim-delay-6 { --anim-delay: 0.40s; }

/* --------------------------------------------------------------------------
   Hero load-in (subtle stagger)
   -------------------------------------------------------------------------- */

.anim-hero-item {
  opacity: 0;
  transform: translate3d(0, 18px, 0);
  animation: animHeroIn 0.75s var(--anim-ease) forwards;
  animation-delay: var(--anim-hero-delay, 0s);
}

@keyframes animHeroIn {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.anim-hero-delay-1 { --anim-hero-delay: 0.1s; }
.anim-hero-delay-2 { --anim-hero-delay: 0.22s; }
.anim-hero-delay-3 { --anim-hero-delay: 0.34s; }
.anim-hero-delay-4 { --anim-hero-delay: 0.46s; }
.anim-hero-delay-5 { --anim-hero-delay: 0.58s; }

.anim-hero-visual {
  opacity: 0;
  transform: translate3d(0, 20px, 0) scale(0.98);
  animation: animHeroVisualIn 0.85s var(--anim-ease) 0.35s forwards;
}

@keyframes animHeroVisualIn {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* --------------------------------------------------------------------------
   Image hover zoom
   -------------------------------------------------------------------------- */

.anim-img-zoom {
  overflow: hidden;
  border-radius: inherit;
}

.anim-img-zoom img,
img.anim-img-zoom-target {
  transition: transform 0.45s var(--anim-ease);
  transform: translateZ(0);
}

.anim-img-zoom:hover img,
.anim-img-zoom:hover .anim-img-zoom-target,
img.anim-img-zoom-target:hover {
  transform: scale(1.04);
}

.hero-visual.anim-img-zoom {
  border-radius: 0;
  overflow: visible;
}

.hero-visual.anim-img-zoom:hover .banner-img {
  transform: scale(1.03);
}

.case-card .anim-img-zoom {
  border-radius: 6px;
}

.anim-img-zoom.mini-chart {
  transition: transform 0.45s var(--anim-ease);
  transform-origin: center center;
}

.anim-img-zoom.mini-chart:hover {
  transform: scale(1.04);
}

/* --------------------------------------------------------------------------
   Button hover transitions
   -------------------------------------------------------------------------- */

.anim-btn {
  transition:
    background-color 0.3s ease,
    color 0.3s ease,
    border-color 0.3s ease,
    box-shadow 0.3s ease,
    transform 0.25s var(--anim-ease);
}

.anim-btn:hover {
  transform: translateY(-2px);
}

.anim-btn:active {
  transform: translateY(0);
  transition-duration: 0.1s;
}

.anim-btn-main:hover {
  box-shadow: 0 14px 32px rgba(91, 85, 255, 0.35);
}

.anim-btn-outline:hover {
  box-shadow: 0 8px 22px rgba(91, 85, 255, 0.2);
}

.anim-btn-light:hover {
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.15);
}

.anim-btn .bi-arrow-right {
  transition: transform 0.25s var(--anim-ease);
}

.anim-btn:hover .bi-arrow-right {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   Card hover enhancement (complements existing service-card hover)
   -------------------------------------------------------------------------- */

.anim-card-hover {
  transition:
    transform 0.35s var(--anim-ease),
    border-color 0.35s ease,
    box-shadow 0.35s ease;
}

.anim-card-hover:hover {
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.08);
}

.section-dark .anim-card-hover:hover {
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.25);
}

/* --------------------------------------------------------------------------
   Nav subtle entrance
   -------------------------------------------------------------------------- */

.anim-nav-enter {
  animation: animNavIn 0.6s var(--anim-ease) forwards;
}

@keyframes animNavIn {
  from {
    opacity: 0;
    transform: translate3d(0, -12px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

/* --------------------------------------------------------------------------
   Counter (number slot)
   -------------------------------------------------------------------------- */

.anim-counter {
  display: inline-block;
  font-variant-numeric: tabular-nums;
}

/* --------------------------------------------------------------------------
   Mobile — reduce motion load
   -------------------------------------------------------------------------- */

@media (max-width: 767px) {
  :root {
    --anim-duration: 0.4s;
    --anim-distance: 16px;
  }

  .anim-fade-up:not(.is-visible) {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .anim-hero-item,
  .anim-hero-visual {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .anim-img-zoom:hover img,
  .anim-img-zoom:hover .anim-img-zoom-target,
  img.anim-img-zoom-target:hover,
  .hero-visual.anim-img-zoom:hover .banner-img,
  .anim-img-zoom.mini-chart:hover {
    transform: none;
  }

  .anim-btn:hover {
    transform: none;
  }
}

/* --------------------------------------------------------------------------
   prefers-reduced-motion
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .anim-fade-up {
    opacity: 1;
    transform: none;
    transition: none;
    will-change: auto;
  }

  .anim-hero-item,
  .anim-hero-visual,
  .anim-nav-enter {
    opacity: 1;
    transform: none;
    animation: none;
  }

  .anim-img-zoom img,
  img.anim-img-zoom-target,
  .anim-img-zoom.mini-chart {
    transition: none;
  }

  .anim-img-zoom:hover img,
  .anim-img-zoom:hover .anim-img-zoom-target,
  img.anim-img-zoom-target:hover,
  .hero-visual.anim-img-zoom:hover .banner-img,
  .anim-img-zoom.mini-chart:hover {
    transform: none;
  }

  .anim-btn,
  .anim-btn .bi-arrow-right,
  .anim-card-hover {
    transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  }

  .anim-btn:hover,
  .anim-btn:active,
  .anim-btn:hover .bi-arrow-right {
    transform: none;
  }
}