/* ==========================================================================
   Motion system — purposeful, restrained, GPU-friendly (transform/opacity only)
   ========================================================================== */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(32px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes fadeLeft {
  from { opacity: 0; transform: translateX(-40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes fadeRight {
  from { opacity: 0; transform: translateX(40px); }
  to   { opacity: 1; transform: translateX(0); }
}
@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.94); }
  to   { opacity: 1; transform: scale(1); }
}
@keyframes floatSlow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
@keyframes pulseRing {
  0% { box-shadow: 0 0 0 0 rgba(61, 90, 128, 0.35); }
  100% { box-shadow: 0 0 0 14px rgba(61, 90, 128, 0); }
}
@keyframes truckDrive {
  0%   { transform: translateX(0); }
  100% { transform: translateX(calc(100% + 24px)); }
}
@keyframes truckFollowRoute {
  0%   { offset-distance: 0%; opacity: 0; }
  5%   { opacity: 1; }
  90%  { opacity: 1; }
  100% { offset-distance: 100%; opacity: 0; }
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Scroll-reveal: JS toggles .is-visible via IntersectionObserver */
[data-animate] {
  opacity: 0;
  will-change: transform, opacity;
  transition: opacity var(--dur-slow) var(--ease-out), transform var(--dur-slow) var(--ease-out);
}
[data-animate="up"]    { transform: translateY(28px); }
[data-animate="left"]  { transform: translateX(-32px); }
[data-animate="right"] { transform: translateX(32px); }
[data-animate="scale"] { transform: scale(0.94); }

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* Stagger children of a group via inline --d custom property (seconds) */
[data-animate] { transition-delay: var(--d, 0s); }

@media (prefers-reduced-motion: reduce) {
  [data-animate] { opacity: 1 !important; transform: none !important; transition: none !important; }
  .route-line path { stroke-dashoffset: 0 !important; }
}

/* Route-line signature motif: dashed path drawn on scroll */
.route-line path {
  fill: none;
  stroke: var(--route);
  stroke-width: 2.5;
  stroke-linecap: round;
  stroke-dasharray: 8 8;
  stroke-dashoffset: var(--offset, 1000);
  transition: stroke-dashoffset 1.4s var(--ease-out);
}
.route-line.is-drawn path { stroke-dashoffset: 0; }
.route-line .pin { transition: opacity 0.6s ease var(--dur-slow); opacity: 0; }
.route-line.is-drawn .pin { opacity: 1; }