/* ================================================================
   Animations & scroll-reveal utilities
   ================================================================ */

/* ---------- Keyframes ---------- */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.92);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  33% { transform: translateY(-12px) rotate(1deg); }
  66% { transform: translateY(-6px) rotate(-0.5deg); }
}

@keyframes glowPulse {
  0%, 100% { box-shadow: 0 0 20px var(--neon-glow); }
  50% { box-shadow: 0 0 40px var(--neon-glow-strong); }
}

@keyframes neonFlicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

/* ---------- Scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 800ms var(--ease-decel),
              transform 800ms var(--ease-decel);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 800ms var(--ease-decel),
              transform 800ms var(--ease-decel);
}

.reveal-scale.is-visible {
  opacity: 1;
  transform: scale(1);
}

.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }
.reveal-delay-4 { transition-delay: 400ms; }
.reveal-delay-5 { transition-delay: 500ms; }

/* Stagger helper */
.stagger > *:nth-child(1) { transition-delay: 0ms; }
.stagger > *:nth-child(2) { transition-delay: 100ms; }
.stagger > *:nth-child(3) { transition-delay: 200ms; }
.stagger > *:nth-child(4) { transition-delay: 300ms; }
.stagger > *:nth-child(5) { transition-delay: 400ms; }
.stagger > *:nth-child(6) { transition-delay: 500ms; }

/* ---------- Counter animation helper ---------- */
[data-counter] {
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
}

/* ---------- Tab panel transitions ---------- */
.tab-panel {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px) scale(0.98);
  filter: blur(6px);
  transition: opacity 400ms var(--ease-standard),
              transform 400ms var(--ease-standard),
              filter 400ms var(--ease-standard);
}

.tab-panel.is-active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0) scale(1);
  filter: blur(0);
}

/* ---------- 3D Tilt effect helper ---------- */
.tilt-card {
  transform-style: preserve-3d;
  transition: transform 400ms var(--ease-decel);
}

/* ---------- Glow hover ---------- */
.glow-hover {
  transition: box-shadow var(--dur-base) var(--ease-standard);
}

.glow-hover:hover {
  box-shadow: 0 0 30px var(--neon-glow);
}

/* ---------- No-JS fallback ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-scale {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .tab-panel {
    opacity: 1;
    pointer-events: auto;
    transform: none;
    filter: none;
    transition: none;
  }
}