/* ============================================================
   Jeulia Jewelry — Animations
   ============================================================ */

/* ── Fade In Up ─────────────────────────── */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

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

@keyframes fadeInLeft {
  from {
    opacity: 0;
    transform: translateX(-30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes fadeInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ── Scroll Reveal ──────────────────────── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

.animate-on-scroll--fade-left {
  transform: translateX(-30px);
}

.animate-on-scroll--fade-left.is-visible {
  transform: translateX(0);
}

.animate-on-scroll--fade-right {
  transform: translateX(30px);
}

.animate-on-scroll--fade-right.is-visible {
  transform: translateX(0);
}

.animate-on-scroll--scale {
  transform: scale(0.9);
}

.animate-on-scroll--scale.is-visible {
  transform: scale(1);
}

/* Stagger delays */
.delay-100 { transition-delay: 0.1s; }
.delay-200 { transition-delay: 0.2s; }
.delay-300 { transition-delay: 0.3s; }
.delay-400 { transition-delay: 0.4s; }
.delay-500 { transition-delay: 0.5s; }

/* ── Shimmer (loading skeleton) ─────────── */
@keyframes shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.skeleton {
  background: linear-gradient(90deg, var(--color-gray-100) 25%, var(--color-gray-50) 50%, var(--color-gray-100) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ── Pulse ──────────────────────────────── */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* ── Slide In / Out ─────────────────────── */
@keyframes slideInDown {
  from { transform: translateY(-100%); }
  to   { transform: translateY(0); }
}

@keyframes slideOutUp {
  from { transform: translateY(0); }
  to   { transform: translateY(-100%); }
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

@keyframes slideOutRight {
  from { transform: translateX(0); }
  to   { transform: translateX(100%); }
}

/* ── Bounce ─────────────────────────────── */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-8px); }
}

/* ── Product card wishlist heart animation ─ */
@keyframes heartBeat {
  0%   { transform: scale(1); }
  25%  { transform: scale(1.3); }
  50%  { transform: scale(1); }
  75%  { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.product-card__wishlist.is-active svg {
  animation: heartBeat 0.5s ease;
}

/* ── Add to cart feedback ──────────────── */
@keyframes addToCartSuccess {
  0%   { opacity: 1; transform: translateY(0); }
  100% { opacity: 0; transform: translateY(-40px); }
}

.add-to-cart-feedback {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--color-success);
  color: var(--color-white);
  padding: 16px 32px;
  border-radius: var(--radius-md);
  font-weight: 600;
  z-index: 3000;
  animation: addToCartSuccess 1.5s ease forwards;
  pointer-events: none;
}

/* ── Smooth page transitions ────────────── */
.site-content {
  animation: fadeIn 0.4s ease;
}

/* ── Lazy image fade-in ─────────────────── */
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.5s ease;
}

img[loading="lazy"].loaded,
img[loading="lazy"][complete] {
  opacity: 1;
}

/* ── Hover underline ────────────────────── */
.hover-underline {
  position: relative;
}

.hover-underline::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 1px;
  background: currentColor;
  transition: width var(--transition-base);
}

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

/* ── Button ripple effect ───────────────── */
.btn-ripple {
  position: relative;
  overflow: hidden;
}

.btn-ripple::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.btn-ripple:active::after {
  width: 300px;
  height: 300px;
}