/* ============================================================
   KEIHAL DIAMONDS — animations.css
   All keyframe animations and transition utilities
   ============================================================ */

/* ---- Body fade-in on page load ---- */
@keyframes bodyFadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Fade in (simple) ---- */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Fade in + move up ---- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Fade in + move down ---- */
@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Fade in + scale ---- */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scaleX(0);
  }
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* ---- Scroll indicator pulse ---- */
@keyframes scrollPulse {
  0%   { opacity: 0; transform: translateY(-10px); }
  50%  { opacity: 1; }
  100% { opacity: 0; transform: translateY(10px); }
}

/* ---- WhatsApp float pulse ---- */
@keyframes waPulse {
  0%   { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.1); }
  50%  { box-shadow: 0 0 0 8px rgba(255, 255, 255, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 255, 255, 0); }
}

/* ---- Diamond subtle shimmer ---- */
@keyframes shimmer {
  0%   { filter: brightness(1); }
  50%  { filter: brightness(1.25); }
  100% { filter: brightness(1); }
}

/* ---- Subtle glow ---- */
@keyframes goldGlow {
  0%   { box-shadow: 0 0 0 rgba(255, 255, 255, 0); }
  50%  { box-shadow: 0 0 20px rgba(255, 255, 255, 0.06); }
  100% { box-shadow: 0 0 0 rgba(255, 255, 255, 0); }
}

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

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

/* ---- Reveal underline ---- */
@keyframes revealLine {
  from { transform: scaleX(0); }
  to   { transform: scaleX(1); }
}

/* ============================================================
   SCROLL-TRIGGERED ANIMATIONS
   Elements with .reveal class animate when they enter viewport.
   Triggered by IntersectionObserver in main.js
   ============================================================ */

.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(-30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

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

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

/* Stagger delays for children */
.reveal-stagger > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger > *:nth-child(5) { transition-delay: 0.45s; }

/* ============================================================
   UTILITY ANIMATION CLASSES
   ============================================================ */

/* Apply to any element that should animate on load */
.anim-fade-in {
  animation: fadeIn 0.8s ease forwards;
}

.anim-fade-up {
  animation: fadeInUp 0.8s ease forwards;
}

.anim-shimmer {
  animation: shimmer 3s ease-in-out infinite;
}

/* Subtle border glow on hover */
.gold-glow-hover {
  transition: box-shadow 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.gold-glow-hover:hover {
  box-shadow: 0 0 20px rgba(255, 255, 255, 0.04), inset 0 0 20px rgba(255, 255, 255, 0.01);
}

/* Smooth image zoom on hover (applied to container) */
.img-zoom-wrap {
  overflow: hidden;
}

.img-zoom-wrap img {
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.img-zoom-wrap:hover img {
  transform: scale(1.05);
}

/* ---- Navbar entry ---- */
.navbar-anim {
  animation: fadeInDown 0.6s ease forwards;
}

/* ---- Popup animation ---- */
@keyframes popupCardIn {
  from {
    opacity: 0;
    transform: scale(0.96) translateY(10px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.popup-card {
  animation: popupCardIn 0.5s cubic-bezier(0.22, 0.61, 0.36, 1) forwards;
}

/* ---- Lightbox open ---- */
@keyframes lightboxIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ---- Product card hover lift ---- */
.product-card,
.nav-card,
.perso-card,
.occasion-card,
.value-item {
  will-change: transform;
}

/* ---- Page transition out ---- */
@keyframes pageOut {
  from { opacity: 1; }
  to   { opacity: 0; }
}