/* ==========================================================================
   THC — Motion library (subtle, accessible)
   ========================================================================== */

/* Scroll reveal */
.reveal {
  opacity: 1;
  transform: none;
}

.reveal.reveal--pending {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal--delay-1 { transition-delay: 0.07s; }
.reveal--delay-2 { transition-delay: 0.14s; }
.reveal--delay-3 { transition-delay: 0.21s; }
.reveal--delay-4 { transition-delay: 0.28s; }

/* Fade-up (hero children) */
.fade-up {
  opacity: 1;
  transform: none;
}

.fade-up.fade-up--pending {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

/* Hero is above the fold — never hide content while waiting for scroll observer */
.hero-panel .fade-up.fade-up--pending {
  opacity: 1;
  transform: none;
}

.fade-up.fade-up--pending.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up--delay-1 { transition-delay: 0.1s; }
.fade-up--delay-2 { transition-delay: 0.2s; }
.fade-up--delay-3 { transition-delay: 0.3s; }
.fade-up--delay-4 { transition-delay: 0.4s; }

/* Fade-in */
.fade-in {
  opacity: 1;
}

.fade-in.fade-in--pending {
  opacity: 0;
  transition: opacity 0.55s ease;
}

.fade-in.fade-in--pending.is-visible {
  opacity: 1;
}

/* Header shrink */
.site-header {
  transition:
    height 0.25s ease,
    box-shadow 0.25s ease,
    background-color 0.25s ease;
}

.site-header.is-compact {
  --header-h: 60px;
}

.site-header.is-compact .site-branding img {
  height: 36px;
}

/* Hover elevation utility */
.hover-elevate {
  transition: transform var(--transition, 0.22s ease), box-shadow var(--transition, 0.22s ease);
}

.hover-elevate:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow, 0 10px 32px rgba(0, 0, 0, 0.1));
}

/* Image zoom container */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.img-zoom:hover img {
  transform: scale(1.05);
}

/* Counter animation state */
.stats-bar__num.is-counting {
  display: inline-block;
}

/* Testimonials slider RTL */
html[dir="rtl"] .testimonials-slider__track {
  flex-direction: row-reverse;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .partners-carousel__track {
    animation: none !important;
  }

  .testimonials-slider__track {
    transition: none !important;
  }

  .reveal.reveal--pending,
  .fade-up.fade-up--pending,
  .fade-in.fade-in--pending {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .site-header,
  .service-card,
  .article-card,
  .feature-card,
  .project-card,
  .btn,
  .hover-elevate,
  .img-zoom img,
  .intro-section__media-inner,
  .stats-bar__item {
    transition: none !important;
  }

  html { scroll-behavior: auto; }
}