/* ════════════════════════════════════════════════════════════════════
   RIVIAN-MOTION — scroll reveals + number tickers + stagger animations.
   Drop-in: <link rel="stylesheet" href="/rivian-motion.css">
            <script defer src="/rivian-motion.js"></script>
   Then mark elements with:
     data-reveal              → fade + slide up as it scrolls into view
     data-reveal-delay="120"  → optional stagger ms
     data-reveal-stagger      → on a container, children animate one-by-one
     data-ticker              → animated number reveal (animates from 0)
     data-ticker-to="83"      → optional target value (else uses element text)
   ════════════════════════════════════════════════════════════════════ */

/* ── Scroll reveals ───────────────────────────────────────────────── */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .7s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform .7s cubic-bezier(0.22, 0.61, 0.36, 1);
  will-change: opacity, transform;
}
[data-reveal].is-revealed {
  opacity: 1;
  transform: none;
}

/* ── Stagger (used on containers — children get a +80ms delay each) ── */
[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .55s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform .55s cubic-bezier(0.22, 0.61, 0.36, 1);
}
[data-reveal-stagger].is-revealed > * {
  opacity: 1;
  transform: none;
}

/* ── Number ticker — pulses subtly when value changes ─────────────── */
[data-ticker] {
  font-variant-numeric: tabular-nums;
  transition: color .25s ease;
}
[data-ticker].is-ticking {
  animation: tickerPop .42s cubic-bezier(.2,.8,.2,1);
}
@keyframes tickerPop {
  0%   { transform: translateY(0) scale(1); }
  40%  { transform: translateY(-3px) scale(1.04); color: #00b4ff; }
  100% { transform: translateY(0) scale(1); }
}

/* ── Skeleton loading states ──────────────────────────────────────── */
.skeleton {
  position: relative;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border-radius: 8px;
}
.skeleton::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(0,180,255,0.08) 50%,
    transparent 100%
  );
  animation: skeletonSweep 1.4s linear infinite;
}
@keyframes skeletonSweep {
  0%   { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* ── Section enter (alternative to data-reveal, applied automatically
       to <section> elements on pages that opt-in via body.rivian-motion) */
body.rivian-motion main > section {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity .7s cubic-bezier(0.22, 0.61, 0.36, 1),
              transform .7s cubic-bezier(0.22, 0.61, 0.36, 1);
}
body.rivian-motion main > section.is-revealed {
  opacity: 1;
  transform: none;
}

/* Respect reduced-motion preference — no animations, no transforms */
@media (prefers-reduced-motion: reduce) {
  [data-reveal], [data-reveal-stagger] > *,
  body.rivian-motion main > section {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .skeleton::after,
  [data-ticker].is-ticking {
    animation: none !important;
  }
}