/* ==========================================================================
   ELEGANT ANIMATIONS & TRANSITIONS
   Honoring Performance & Reduced-Motion
   ========================================================================== */

/* Keyframe Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes floatGentle {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-8px) rotate(1.5deg);
  }
}

@keyframes pulseSubtle {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.45);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.65);
  }
}

/* Scroll Reveal Classes (IntersectionObserver & Fallback) */
.reveal-on-scroll,
.reveal-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-fade-in {
  opacity: 0;
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity;
}

.reveal-slide-left {
  opacity: 0;
  transform: translateX(36px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-slide-right {
  opacity: 0;
  transform: translateX(-36px);
  transition: opacity 0.85s cubic-bezier(0.16, 1, 0.3, 1), transform 0.85s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-scale {
  opacity: 0;
  transform: scale(0.92);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible,
.reveal-fade-up.is-visible,
.reveal-fade-in.is-visible,
.reveal-slide-left.is-visible,
.reveal-slide-right.is-visible,
.reveal-scale.is-visible {
  opacity: 1;
  transform: none;
}

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

/* Subtle floating doodle effect */
.float-doodle {
  animation: floatGentle 6s ease-in-out infinite;
}

.whatsapp-pulse {
  animation: pulseSubtle 3s infinite ease-in-out;
}

/* Accessibility: Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .reveal-on-scroll {
    opacity: 1 !important;
    transform: none !important;
  }
}