/* =========================================================
   هم‌تاب (HamTab) — Animation System
   ========================================================= */

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scale-in {
  from { opacity: 0; transform: scale(0.94); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

@keyframes pulse-ring {
  0% { box-shadow: 0 0 0 0 rgba(217, 123, 63, 0.35); }
  100% { box-shadow: 0 0 0 18px rgba(217, 123, 63, 0); }
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

@keyframes skeleton-loading {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}

@keyframes toast-in {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes toast-out {
  to { opacity: 0; transform: translateY(8px) scale(0.96); }
}

@keyframes ray-spin {
  to { transform: rotate(360deg); }
}

@keyframes flow-dash {
  to { stroke-dashoffset: -40; }
}

/* ---- Scroll reveal ---- */
[data-reveal] {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

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

[data-reveal="scale"] {
  transform: scale(0.92);
}
[data-reveal="scale"].is-visible {
  transform: scale(1);
}

/* Stagger children via inline --delay custom property */
[data-reveal] {
  transition-delay: var(--delay, 0ms);
}

.float-el {
  animation: float 5s ease-in-out infinite;
}

.spin-slow {
  animation: ray-spin 24s linear infinite;
}

.pulse-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  animation: pulse-ring 2.4s ease-out infinite;
}

.u-fade-in { animation: fade-in var(--transition-slow) both; }
.u-slide-up { animation: slide-up var(--transition-slow) both; }
.u-scale-in { animation: scale-in var(--transition-base) both; }

@media (prefers-reduced-motion: reduce) {
  [data-reveal] {
    opacity: 1;
    transform: none;
  }
  .float-el, .spin-slow, .pulse-dot::after {
    animation: none;
  }
}