/* ===========================
   ANIMATION KEYFRAMES
   =========================== */

/* 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); }
}

/* Slide Left */
@keyframes slideLeft {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Slide Right */
@keyframes slideRight {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Zoom In */
@keyframes zoomIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

/* Toast animations */
@keyframes toastIn {
  from { opacity: 0; transform: translateY(-1rem); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-1rem); }
}

/* FAQ open */
@keyframes faqOpen {
  from { opacity: 0; transform: translateY(-0.5rem); }
  to { opacity: 1; transform: translateY(0); }
}

/* Pulse (for WhatsApp FAB) */
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
  50% { box-shadow: 0 0 0 12px rgba(37, 211, 102, 0); }
}

/* ===========================
   SCROLL-TRIGGERED ANIMATIONS
   =========================== */

/* Elements with this class are hidden until they scroll into view */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.animate-on-scroll.animated {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays for child elements */
.stagger-1 { transition-delay: 0.1s; }
.stagger-2 { transition-delay: 0.2s; }
.stagger-3 { transition-delay: 0.3s; }
.stagger-4 { transition-delay: 0.4s; }
.stagger-5 { transition-delay: 0.5s; }
.stagger-6 { transition-delay: 0.6s; }

/* Specific animation variants */
.animate-fade-in {
  opacity: 0;
  transition: opacity 0.7s ease;
}
.animate-fade-in.animated {
  opacity: 1;
}

.animate-slide-left {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-slide-left.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-slide-right {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-slide-right.animated {
  opacity: 1;
  transform: translateX(0);
}

.animate-zoom {
  opacity: 0;
  transform: scale(0.95);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.animate-zoom.animated {
  opacity: 1;
  transform: scale(1);
}

/* ===========================
   HOVER & INTERACTION EFFECTS
   =========================== */

/* Button ripple effect */
.btn-ripple {
  position: relative;
  overflow: hidden;
}
.btn-ripple::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255,255,255,0.3) 10%, transparent 10.01%);
  transform: scale(10);
  opacity: 0;
  transition: transform 0.5s, opacity 0.5s;
}
.btn-ripple:active::after {
  transform: scale(0);
  opacity: 1;
  transition: 0s;
}

/* WhatsApp FAB pulse */
.whatsapp-fab {
  animation: pulse 2s infinite;
}

/* Smooth image reveal on load */
.img-reveal {
  opacity: 0;
  transition: opacity 0.5s ease;
}
.img-reveal.loaded {
  opacity: 1;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .animate-on-scroll {
    opacity: 1;
    transform: none;
  }
}