/* ==========================================================================
   ANIMATIONS CSS — Nikki Gul Consulting
   Scroll-reveal, hover, and micro-interaction animations.
   Loaded asynchronously after critical CSS.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. FADE UP (Scroll Reveal)
   -------------------------------------------------------------------------- */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 600ms var(--ease-out),
              transform 600ms var(--ease-out);
  will-change: opacity, transform;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   2. FADE IN (No vertical movement)
   -------------------------------------------------------------------------- */
.fade-in {
  opacity: 0;
  transition: opacity 600ms var(--ease-out);
  will-change: opacity;
}

.fade-in.visible {
  opacity: 1;
}

/* --------------------------------------------------------------------------
   3. FADE LEFT / RIGHT (Horizontal reveal)
   -------------------------------------------------------------------------- */
.fade-left {
  opacity: 0;
  transform: translateX(-20px);
  transition: opacity 600ms var(--ease-out),
              transform 600ms var(--ease-out);
  will-change: opacity, transform;
}

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

.fade-right {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 600ms var(--ease-out),
              transform 600ms var(--ease-out);
  will-change: opacity, transform;
}

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

/* --------------------------------------------------------------------------
   4. STAGGER DELAY CLASSES (80ms increments)
   -------------------------------------------------------------------------- */
.stagger-1 { transition-delay: 80ms; }
.stagger-2 { transition-delay: 160ms; }
.stagger-3 { transition-delay: 240ms; }
.stagger-4 { transition-delay: 320ms; }
.stagger-5 { transition-delay: 400ms; }
.stagger-6 { transition-delay: 480ms; }

/* --------------------------------------------------------------------------
   5. CARD HOVER EFFECTS
   -------------------------------------------------------------------------- */
.card-hover {
  transition: transform var(--transition),
              box-shadow var(--transition);
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Enhanced card hover with gold accent */
.card-hover-gold {
  transition: transform var(--transition),
              box-shadow var(--transition),
              border-color var(--transition);
}

.card-hover-gold:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(204, 152, 88, 0.15);
  border-color: var(--gold-light);
}

/* --------------------------------------------------------------------------
   6. BUTTON HOVER TRANSITIONS
   -------------------------------------------------------------------------- */
.btn-animate {
  position: relative;
  overflow: hidden;
  z-index: 1;
}

.btn-animate::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.15),
    transparent
  );
  transition: left 500ms var(--ease-out);
  z-index: -1;
}

.btn-animate:hover::before {
  left: 100%;
}

/* Button scale on click */
.btn-press:active {
  transform: scale(0.97);
}

/* --------------------------------------------------------------------------
   7. WHATSAPP PULSE ANIMATION
   -------------------------------------------------------------------------- */
@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35),
                0 0 0 0 rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35),
                0 0 0 12px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35),
                0 0 0 0 rgba(37, 211, 102, 0);
  }
}

.whatsapp-btn.pulse {
  animation: whatsapp-pulse 1.8s ease-out 3;
}

/* --------------------------------------------------------------------------
   8. FAQ EXPAND / COLLAPSE TRANSITION
   -------------------------------------------------------------------------- */
.faq-answer {
  transition: max-height 400ms var(--ease-in-out);
  overflow: hidden;
}

.faq-question-icon {
  transition: transform var(--transition);
}

.faq-item.active .faq-question-icon {
  transform: rotate(180deg);
}

/* Subtle fade for answer text */
.faq-answer-inner {
  opacity: 0;
  transform: translateY(-8px);
  transition: opacity 300ms var(--ease-out) 100ms,
              transform 300ms var(--ease-out) 100ms;
}

.faq-item.active .faq-answer-inner {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   9. SPINNER ANIMATION
   -------------------------------------------------------------------------- */
@keyframes spin {
  0%   { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--border);
  border-top-color: var(--gold);
  border-radius: var(--radius-full);
  animation: spin 700ms linear infinite;
}

.spinner--sm {
  width: 16px;
  height: 16px;
  border-width: 2px;
}

.spinner--lg {
  width: 40px;
  height: 40px;
  border-width: 4px;
}

.spinner--white {
  border-color: rgba(255, 255, 255, 0.25);
  border-top-color: var(--text-inverse);
}

/* --------------------------------------------------------------------------
   10. GOLD SHIMMER EFFECT
   -------------------------------------------------------------------------- */
@keyframes gold-shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.gold-shimmer {
  background: linear-gradient(
    90deg,
    var(--gold) 0%,
    var(--gold-light) 25%,
    #F0D4A8 50%,
    var(--gold-light) 75%,
    var(--gold) 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gold-shimmer 3s linear infinite;
}

/* Shimmer line accent (decorative underline) */
.shimmer-line {
  position: relative;
  display: inline-block;
}

.shimmer-line::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--gold) 0%,
    var(--gold-light) 40%,
    #F0D4A8 50%,
    var(--gold-light) 60%,
    var(--gold) 100%
  );
  background-size: 200% auto;
  animation: gold-shimmer 3s linear infinite;
}

/* --------------------------------------------------------------------------
   11. HERO TEXT FADE-IN ON LOAD
   -------------------------------------------------------------------------- */
@keyframes hero-fade-in {
  0% {
    opacity: 0;
    transform: translateY(24px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge {
  animation: hero-fade-in 700ms var(--ease-out) 200ms both;
}

.hero h1 {
  animation: hero-fade-in 700ms var(--ease-out) 400ms both;
}

.hero-subtitle {
  animation: hero-fade-in 700ms var(--ease-out) 600ms both;
}

.hero-actions {
  animation: hero-fade-in 700ms var(--ease-out) 800ms both;
}

/* --------------------------------------------------------------------------
   12. SCALE UP (For icons and images on hover)
   -------------------------------------------------------------------------- */
.scale-up {
  transition: transform var(--transition);
}

.scale-up:hover {
  transform: scale(1.05);
}

/* --------------------------------------------------------------------------
   13. UNDERLINE GROW (For links)
   -------------------------------------------------------------------------- */
.underline-grow {
  position: relative;
  display: inline-block;
}

.underline-grow::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--gold);
  transition: width var(--transition), left var(--transition);
}

.underline-grow:hover::after {
  width: 100%;
  left: 0;
}

/* --------------------------------------------------------------------------
   14. SECTION DIVIDER ANIMATION
   -------------------------------------------------------------------------- */
@keyframes line-grow {
  0% {
    width: 0;
  }
  100% {
    width: 60px;
  }
}

.section-divider {
  display: block;
  height: 3px;
  background-color: var(--gold);
  margin: var(--space-5) auto;
  border: none;
}

.section-divider.visible {
  animation: line-grow 600ms var(--ease-out) forwards;
}

/* --------------------------------------------------------------------------
   15. MOBILE MENU ANIMATIONS
   -------------------------------------------------------------------------- */
.mobile-nav-link {
  opacity: 0;
  transform: translateX(20px);
  transition: opacity 300ms var(--ease-out),
              transform 300ms var(--ease-out),
              color var(--transition-fast),
              padding-left var(--transition-fast);
}

.mobile-nav.active .mobile-nav-link {
  opacity: 1;
  transform: translateX(0);
}

.mobile-nav.active .mobile-nav-link:nth-child(1) { transition-delay: 100ms; }
.mobile-nav.active .mobile-nav-link:nth-child(2) { transition-delay: 150ms; }
.mobile-nav.active .mobile-nav-link:nth-child(3) { transition-delay: 200ms; }
.mobile-nav.active .mobile-nav-link:nth-child(4) { transition-delay: 250ms; }
.mobile-nav.active .mobile-nav-link:nth-child(5) { transition-delay: 300ms; }
.mobile-nav.active .mobile-nav-link:nth-child(6) { transition-delay: 350ms; }
.mobile-nav.active .mobile-nav-link:nth-child(7) { transition-delay: 400ms; }

.mobile-nav-cta {
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 300ms var(--ease-out) 450ms,
              transform 300ms var(--ease-out) 450ms;
}

.mobile-nav.active .mobile-nav-cta {
  opacity: 1;
  transform: translateY(0);
}

/* --------------------------------------------------------------------------
   16. NUMBER COUNT-UP (Visual emphasis)
   -------------------------------------------------------------------------- */
@keyframes count-pop {
  0% {
    transform: scale(0.5);
    opacity: 0;
  }
  60% {
    transform: scale(1.1);
  }
  100% {
    transform: scale(1);
    opacity: 1;
  }
}

.count-pop {
  opacity: 0;
}

.count-pop.visible {
  animation: count-pop 500ms var(--ease-out) forwards;
}

/* --------------------------------------------------------------------------
   17. COOKIE BANNER SLIDE
   -------------------------------------------------------------------------- */
@keyframes cookie-slide-up {
  0% {
    transform: translateY(100%);
  }
  100% {
    transform: translateY(0);
  }
}

.cookie-banner.visible {
  animation: cookie-slide-up 400ms var(--ease-out) forwards;
}

/* --------------------------------------------------------------------------
   18. REDUCED MOTION — DISABLE ALL ANIMATIONS
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    animation-delay: 0ms !important;
    transition-duration: 0.01ms !important;
    transition-delay: 0ms !important;
    scroll-behavior: auto !important;
  }

  .fade-up,
  .fade-in,
  .fade-left,
  .fade-right {
    opacity: 1;
    transform: none;
  }

  .hero-badge,
  .hero h1,
  .hero-subtitle,
  .hero-actions {
    animation: none;
    opacity: 1;
    transform: none;
  }

  .mobile-nav-link {
    opacity: 1;
    transform: none;
  }

  .mobile-nav-cta {
    opacity: 1;
    transform: none;
  }

  .gold-shimmer {
    animation: none;
    background: var(--gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
  }

  .shimmer-line::after {
    animation: none;
    background: var(--gold);
  }

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

  .card-hover:hover,
  .card-hover-gold:hover {
    transform: none;
  }

  .count-pop {
    opacity: 1;
  }

  .section-divider.visible {
    animation: none;
    width: 60px;
  }
}