/* =============================================
   SCUOLA ECOGRAFIA - Animations
   ============================================= */

/* ---------- Scroll Reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* Staggered delays for grid children */
.reveal-stagger > *:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger > *:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger > *:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger > *:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger > *:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger > *:nth-child(6) { transition-delay: 500ms; }

/* ---------- Pulse animation for CTAs ---------- */
@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 4px 15px rgba(8, 145, 178, 0.3); }
  50% { box-shadow: 0 4px 30px rgba(8, 145, 178, 0.5); }
}

.btn-primary.pulse {
  animation: pulse-glow 2.5s ease-in-out infinite;
}

/* ---------- Float animation ---------- */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float {
  animation: float 4s ease-in-out infinite;
}

/* ---------- Counter animation ---------- */
@keyframes count-up {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Gradient text shimmer ---------- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    var(--color-accent-light) 0%,
    var(--color-accent) 25%,
    var(--color-accent-light) 50%,
    var(--color-accent) 75%,
    var(--color-accent-light) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 4s linear infinite;
}

/* ---------- Scroll indicator bounce ---------- */
@keyframes bounce-down {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
  40% { transform: translateY(8px); }
  60% { transform: translateY(4px); }
}

.scroll-indicator {
  animation: bounce-down 2s infinite;
}

/* ---------- Accordion expand ---------- */
.accordion-item.active .accordion-trigger {
  background: var(--color-surface-alt);
}

.accordion-item.active {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

/* ---------- Loading spinner ---------- */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  display: inline-block;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-left,
  .reveal-right {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .btn-primary.pulse {
    animation: none;
  }

  .float {
    animation: none;
  }

  .shimmer-text {
    animation: none;
  }

  .scroll-indicator {
    animation: none;
  }
}