/*
 * Motion system — restrained, intentional, brand-appropriate.
 * Respects prefers-reduced-motion.
 */

/* --- Scroll-triggered reveal --- */
[data-reveal] {
  opacity: 0;
  transform: translateY(24px);
  transition:
    opacity 0.85s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.85s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Grid stagger: when a container reveals, children stagger in */
[data-reveal-group] > * {
  opacity: 0;
  transform: translateY(20px);
  transition:
    opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-reveal-group].is-visible > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(2) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(3) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(4) { transition-delay: 0.35s; opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(5) { transition-delay: 0.45s; opacity: 1; transform: translateY(0); }
[data-reveal-group].is-visible > *:nth-child(6) { transition-delay: 0.55s; opacity: 1; transform: translateY(0); }

/* Hero media entrance — CSS-only, runs on initial load alongside the headline stagger */
.hero__media--enter {
  opacity: 0;
  transform: translateY(16px) scale(0.985);
  animation: hero-media-rise 1.1s cubic-bezier(0.22, 1, 0.36, 1) 0.35s forwards;
}
@keyframes hero-media-rise {
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* --- Hero headline entrance (CSS-only, animates on initial load) --- */
.hero__heading--enter {
  opacity: 0;
  transform: translateY(20px);
  animation: hero-heading-rise 1s cubic-bezier(0.22, 1, 0.36, 1) 0.12s forwards;
}
@keyframes hero-heading-rise {
  to { opacity: 1; transform: translateY(0); }
}
.hero__eyebrow,
.hero__lede,
.hero__ctas,
.hero__trust {
  opacity: 0;
  transform: translateY(16px);
  animation: hero-fade-rise 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.hero__eyebrow { animation-delay: 0.05s; }
.hero__lede    { animation-delay: 0.32s; }
.hero__ctas    { animation-delay: 0.46s; }
.hero__trust   { animation-delay: 0.60s; }
@keyframes hero-fade-rise {
  to { opacity: 1; transform: translateY(0); }
}

/* --- Services fly-in (overrides default rise; cards sweep in from left) --- */
.services__grid--fly[data-reveal-group] > * {
  transform: translateX(-56px) translateY(0);
}
.services__grid--fly[data-reveal-group].is-visible > *:nth-child(1) { transition-delay: 0.05s; transform: translateX(0) translateY(0); }
.services__grid--fly[data-reveal-group].is-visible > *:nth-child(2) { transition-delay: 0.20s; transform: translateX(0) translateY(0); }
.services__grid--fly[data-reveal-group].is-visible > *:nth-child(3) { transition-delay: 0.35s; transform: translateX(0) translateY(0); }
@media (prefers-reduced-motion: reduce) {
  .services__grid--fly[data-reveal-group] > * { transform: none !important; }
}

/* --- Magnetic buttons --- */
.btn--magnetic {
  will-change: transform;
  transition:
    transform 280ms cubic-bezier(0.22, 1, 0.36, 1),
    background-color 240ms cubic-bezier(0.22, 1, 0.36, 1),
    color 240ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 240ms cubic-bezier(0.22, 1, 0.36, 1);
}
.btn--magnetic.is-magnetised {
  transition:
    transform 80ms linear,
    background-color 240ms cubic-bezier(0.22, 1, 0.36, 1),
    color 240ms cubic-bezier(0.22, 1, 0.36, 1),
    box-shadow 240ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* --- Card 3D tilt --- */
[data-tilt] {
  transform-style: preserve-3d;
  transition: transform 320ms cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}
[data-tilt].is-tilting {
  transition: transform 80ms linear;
}

/* --- Section gradient soft divider --- */
.section-fade-top { position: relative; }
.section-fade-top::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 80px;
  background: linear-gradient(to bottom, var(--bg-page), transparent);
  pointer-events: none;
  z-index: 1;
}

/* --- Reduced motion override --- */
@media (prefers-reduced-motion: reduce) {
  [data-reveal],
  [data-reveal-group] > *,
  .hero__heading--enter,
  .hero__eyebrow,
  .hero__lede,
  .hero__ctas,
  .hero__trust,
  .hero__media--enter {
    opacity: 1 !important;
    transform: none !important;
    animation: none !important;
    transition: none !important;
  }
  .btn--magnetic, [data-tilt] {
    transform: none !important;
  }
}