/* ============================================
   Animations & Scroll Reveals
   ============================================ */

/* ─── Reveal Animation Base ─── */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.reveal--delay-1 { transition-delay: 0.1s; }
.reveal--delay-2 { transition-delay: 0.2s; }
.reveal--delay-3 { transition-delay: 0.3s; }
.reveal--delay-4 { transition-delay: 0.4s; }

/* ─── Stagger children ─── */
.reveal-group > .reveal:nth-child(1) { transition-delay: 0s; }
.reveal-group > .reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal-group > .reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal-group > .reveal:nth-child(4) { transition-delay: 0.3s; }
.reveal-group > .reveal:nth-child(5) { transition-delay: 0.4s; }
.reveal-group > .reveal:nth-child(6) { transition-delay: 0.5s; }

/* ─── Fade In ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ─── Slide Up ─── */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Scale In ─── */
@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ─── Float Animation ─── */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ─── Gradient Shift ─── */
@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 8s ease infinite;
}