/* =============================================================================
   APEX SOCIALS — animations.css
   Scroll-reveal states + entrance choreography.
   JS (animations.js) toggles .is-visible via IntersectionObserver.
   All motion is gated behind prefers-reduced-motion.
   ============================================================================= */

/* Base reveal: fade + rise -------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.7s var(--ease-out),
    transform 0.7s var(--ease-out);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Variants ------------------------------------------------------------------ */
[data-reveal="left"]  { transform: translateX(-30px); }
[data-reveal="right"] { transform: translateX(30px); }
[data-reveal="scale"] { transform: scale(0.94); }
[data-reveal="left"].is-visible,
[data-reveal="right"].is-visible { transform: translateX(0); }
[data-reveal="scale"].is-visible { transform: scale(1); }

/* Stagger: children animate in sequence ------------------------------------ */
[data-stagger] > * {
  opacity: 0;
  transform: translateY(22px);
  transition:
    opacity 0.65s var(--ease-out),
    transform 0.65s var(--ease-out);
}
[data-stagger].is-visible > * {
  opacity: 1;
  transform: translateY(0);
}
[data-stagger].is-visible > *:nth-child(1) { transition-delay: 0.00s; }
[data-stagger].is-visible > *:nth-child(2) { transition-delay: 0.08s; }
[data-stagger].is-visible > *:nth-child(3) { transition-delay: 0.16s; }
[data-stagger].is-visible > *:nth-child(4) { transition-delay: 0.24s; }
[data-stagger].is-visible > *:nth-child(5) { transition-delay: 0.32s; }
[data-stagger].is-visible > *:nth-child(6) { transition-delay: 0.40s; }
[data-stagger].is-visible > *:nth-child(7) { transition-delay: 0.48s; }
[data-stagger].is-visible > *:nth-child(8) { transition-delay: 0.56s; }

/* Hero load sequence -------------------------------------------------------- */
.hero [data-hero] {
  opacity: 0;
  transform: translateY(24px);
  animation: heroIn 0.9s var(--ease-out) forwards;
}
.hero [data-hero="1"] { animation-delay: 0.10s; }
.hero [data-hero="2"] { animation-delay: 0.22s; }
.hero [data-hero="3"] { animation-delay: 0.34s; }
.hero [data-hero="4"] { animation-delay: 0.46s; }
.hero [data-hero="5"] { animation-delay: 0.58s; }

@keyframes heroIn {
  to { opacity: 1; transform: translateY(0); }
}

/* Counter flash when it lands ---------------------------------------------- */
.kpi__num.is-counting { color: var(--teal-300); }
.kpi__num.is-done {
  animation: kpiPop 0.5s var(--ease) ;
}
@keyframes kpiPop {
  0% { transform: scale(1); }
  40% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* Page transition overlay --------------------------------------------------- */
.page-fade {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--graphite);
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.45s var(--ease);
}
.page-fade.is-active { opacity: 1; pointer-events: all; }

/* On first paint, gently fade the body in ----------------------------------- */
body { animation: bodyIn 0.6s var(--ease-out) both; }
@keyframes bodyIn { from { opacity: 0; } to { opacity: 1; } }

/* Mobile menu panel transition --------------------------------------------- */
.mobile-menu {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 90;
  background: rgba(24, 24, 24, 0.96);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  flex-direction: column;
  padding: var(--space-4) clamp(1.25rem, 0.5rem + 3vw, 2.5rem) var(--space-5);
  gap: var(--space-2);
  transform: translateY(-12px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s linear 0.35s;
}
.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
  transition: opacity 0.35s var(--ease), transform 0.35s var(--ease), visibility 0s;
}
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 1.7rem;
  color: var(--text-on-dark);
  padding-block: 0.6rem;
  border-bottom: 1px solid var(--line);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease), color 0.3s var(--ease);
}
.mobile-menu.is-open a { opacity: 1; transform: translateY(0); }
.mobile-menu.is-open a:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu.is-open a:nth-child(2) { transition-delay: 0.10s; }
.mobile-menu.is-open a:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu.is-open a:nth-child(4) { transition-delay: 0.20s; }
.mobile-menu.is-open a:nth-child(5) { transition-delay: 0.25s; }
.mobile-menu a:hover { color: var(--teal); }
.mobile-menu .btn { margin-top: var(--space-3); font-size: 1.05rem; }

body.menu-open { overflow: hidden; }

/* Reveal-on-hover micro shadow for proof shots ------------------------------ */
.proof-shot { transition: border-color 0.4s var(--ease), background-color 0.4s var(--ease); }
.proof-shot:hover { border-color: rgba(44,166,164,0.5); }

/* =============================================================================
   Reduced motion — honour the OS setting
   ============================================================================= */
@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;
  }
  [data-reveal],
  [data-stagger] > *,
  .hero [data-hero] {
    opacity: 1 !important;
    transform: none !important;
  }
  .hero__bg,
  .marquee__track,
  .hero__scroll .line { animation: none !important; }
}