/**
 * micro-interactions.css — Insightful Booking Micro-Interaction System
 *
 * Animation systems:
 *   A) CountUp        — .count-up
 *   B) Scroll Reveal  — .reveal, .reveal-left, .reveal-right, .stagger-reveal
 *   C) Button Ripple  — .btn-ripple
 *   D) Card Hover Lift — .hover-lift
 *   E) Pulse Glow     — .pulse-glow
 *   F) Page Fade-In   — .page-content
 *
 * Theme: dark default, light via [data-theme="light"]
 */

/* ==========================================================
   A) COUNT-UP ANIMATION
   ========================================================== */

.count-up {
  display: inline-block;
  font-variant-numeric: tabular-nums;
  will-change: contents;
}

/* ==========================================================
   B) SCROLL REVEAL
   ========================================================== */

/* --- Base reveal (fade up) --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

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

/* --- Slide from left --- */
.reveal-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

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

/* --- Slide from right --- */
.reveal-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
  will-change: opacity, transform;
}

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

/* --- Staggered children --- */
.stagger-reveal > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease-out, transform 0.5s ease-out;
  will-change: opacity, transform;
}

.stagger-reveal.revealed > *:nth-child(1)  { transition-delay: 0ms; }
.stagger-reveal.revealed > *:nth-child(2)  { transition-delay: 80ms; }
.stagger-reveal.revealed > *:nth-child(3)  { transition-delay: 160ms; }
.stagger-reveal.revealed > *:nth-child(4)  { transition-delay: 240ms; }
.stagger-reveal.revealed > *:nth-child(5)  { transition-delay: 320ms; }
.stagger-reveal.revealed > *:nth-child(6)  { transition-delay: 400ms; }
.stagger-reveal.revealed > *:nth-child(7)  { transition-delay: 480ms; }
.stagger-reveal.revealed > *:nth-child(8)  { transition-delay: 560ms; }
.stagger-reveal.revealed > *:nth-child(9)  { transition-delay: 640ms; }
.stagger-reveal.revealed > *:nth-child(10) { transition-delay: 720ms; }
.stagger-reveal.revealed > *:nth-child(11) { transition-delay: 800ms; }
.stagger-reveal.revealed > *:nth-child(12) { transition-delay: 880ms; }

.stagger-reveal.revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================
   C) BUTTON RIPPLE EFFECT
   ========================================================== */

.btn-ripple {
  position: relative;
  overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}

.btn-ripple .mi-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 215, 0, 0.3);
  transform: scale(0);
  animation: mi-ripple-expand 0.6s ease-out forwards;
  pointer-events: none;
  will-change: transform, opacity;
}

[data-theme="light"] .btn-ripple .mi-ripple {
  background: rgba(180, 83, 9, 0.2);
}

@keyframes mi-ripple-expand {
  0% {
    transform: scale(0);
    opacity: 1;
  }
  100% {
    transform: scale(4);
    opacity: 0;
  }
}

/* ==========================================================
   D) CARD HOVER LIFT
   ========================================================== */

.hover-lift {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  will-change: transform, box-shadow;
}

/* Dark theme (default) */
.hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35),
              0 2px 8px rgba(0, 0, 0, 0.2);
}

/* Light theme */
[data-theme="light"] .hover-lift:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1),
              0 2px 8px rgba(0, 0, 0, 0.06);
}

/* ==========================================================
   E) PULSE GLOW
   ========================================================== */

.pulse-glow {
  animation: mi-pulse-glow-dark 2s infinite;
  will-change: box-shadow;
}

/* Dark theme (default) */
@keyframes mi-pulse-glow-dark {
  0%, 100% {
    box-shadow: 0 0 4px rgba(255, 215, 0, 0.15),
                0 0 16px rgba(255, 215, 0, 0.08);
  }
  50% {
    box-shadow: 0 0 8px rgba(255, 215, 0, 0.35),
                0 0 28px rgba(255, 215, 0, 0.15);
  }
}

/* Light theme */
[data-theme="light"] .pulse-glow {
  animation: mi-pulse-glow-light 2s infinite;
}

@keyframes mi-pulse-glow-light {
  0%, 100% {
    box-shadow: 0 0 4px rgba(180, 83, 9, 0.1),
                0 0 16px rgba(180, 83, 9, 0.05);
  }
  50% {
    box-shadow: 0 0 8px rgba(180, 83, 9, 0.25),
                0 0 28px rgba(180, 83, 9, 0.1);
  }
}

/* ==========================================================
   F) PAGE CONTENT FADE-IN
   ========================================================== */

.page-content {
  opacity: 0;
  animation: mi-page-fade-in 0.3s ease forwards;
  will-change: opacity;
}

@keyframes mi-page-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ==========================================================
   REDUCED MOTION — Accessibility
   ========================================================== */

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

  .hover-lift {
    transition: none;
  }

  .hover-lift:hover {
    transform: none;
  }

  .pulse-glow {
    animation: none;
  }

  .page-content {
    opacity: 1;
    animation: none;
  }

  .btn-ripple .mi-ripple {
    animation: none;
    display: none;
  }

  .count-up {
    /* Skip animation, JS will set final value directly */
  }
}