/* =============================================
   LUEUR LUXE — Shared Styles & 3D Animations
   ============================================= */

/* ---------- Page Load Animation ---------- */
@keyframes pageReveal {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body {
  animation: pageReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* ---------- Smooth Scroll ---------- */
html {
  scroll-behavior: smooth;
}

/* ---------- 3D Card Tilt System ---------- */
.card-3d {
  perspective: 1000px;
  transform-style: preserve-3d;
}

.card-3d-inner {
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  transform-style: preserve-3d;
  will-change: transform;
}

.card-3d:hover .card-3d-inner {
  transform: rotateY(-5deg) rotateX(5deg) translateZ(20px);
  box-shadow: 
    20px 20px 60px rgba(115, 87, 91, 0.12),
    -5px -5px 20px rgba(255, 255, 255, 0.8);
}

/* ---------- 3D Product Card Lift ---------- */
.product-card-3d {
  perspective: 800px;
  transform-style: preserve-3d;
}

.product-card-3d > * {
  transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.product-card-3d:hover {
  z-index: 10;
}

.product-card-3d:hover > * {
  transform: translateY(-12px) rotateX(2deg) scale(1.02);
  box-shadow: 
    0 25px 50px -12px rgba(115, 87, 91, 0.15),
    0 0 0 1px rgba(229, 199, 195, 0.3);
}

/* ---------- 3D Image Hover Parallax ---------- */
.img-3d-wrapper {
  perspective: 1200px;
  overflow: hidden;
}

.img-3d-wrapper img {
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.img-3d-wrapper:hover img {
  transform: scale(1.08) rotateY(-3deg) rotateX(2deg);
}

/* ---------- Float Animation ---------- */
@keyframes gentleFloat {
  0%, 100% {
    transform: translateY(0px) rotate(0deg);
  }
  25% {
    transform: translateY(-8px) rotate(0.5deg);
  }
  50% {
    transform: translateY(-4px) rotate(-0.5deg);
  }
  75% {
    transform: translateY(-10px) rotate(0.3deg);
  }
}

.float-element {
  animation: gentleFloat 6s ease-in-out infinite;
}

/* ---------- Shimmer Effect ---------- */
@keyframes shimmer {
  0% {
    background-position: -200% center;
  }
  100% {
    background-position: 200% center;
  }
}

.shimmer-text {
  background: linear-gradient(
    90deg,
    #73575b 0%,
    #e1bec2 25%,
    #73575b 50%,
    #e1bec2 75%,
    #73575b 100%
  );
  background-size: 200% auto;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 4s linear infinite;
}

/* ---------- Scroll Reveal System ---------- */
.reveal-up {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.reveal-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), 
              transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered children */
.stagger-children > *:nth-child(1) { transition-delay: 0.05s; }
.stagger-children > *:nth-child(2) { transition-delay: 0.1s; }
.stagger-children > *:nth-child(3) { transition-delay: 0.15s; }
.stagger-children > *:nth-child(4) { transition-delay: 0.2s; }
.stagger-children > *:nth-child(5) { transition-delay: 0.25s; }
.stagger-children > *:nth-child(6) { transition-delay: 0.3s; }

/* ---------- 3D Hero Parallax Background ---------- */
.parallax-hero {
  perspective: 1px;
  overflow-x: hidden;
  overflow-y: auto;
}

.parallax-hero .parallax-bg {
  transform: translateZ(-1px) scale(2);
}

/* ---------- Magnetic Button Effect ---------- */
.btn-magnetic {
  position: relative;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), 
              box-shadow 0.3s ease;
}

.btn-magnetic:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 35px -8px rgba(115, 87, 91, 0.3);
}

.btn-magnetic:active {
  transform: translateY(-1px) scale(1);
}

/* ---------- 3D Glassmorphism Card ---------- */
.glass-card {
  background: rgba(255, 248, 245, 0.6);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid rgba(229, 199, 195, 0.3);
  transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.glass-card:hover {
  background: rgba(255, 248, 245, 0.8);
  border-color: rgba(229, 199, 195, 0.5);
  transform: translateY(-4px);
  box-shadow: 
    0 20px 40px -15px rgba(115, 87, 91, 0.1),
    0 0 0 1px rgba(229, 199, 195, 0.2);
}

/* ---------- 3D Rotating Decoration ---------- */
@keyframes rotate3d {
  0% {
    transform: perspective(500px) rotateY(0deg) rotateX(0deg);
  }
  25% {
    transform: perspective(500px) rotateY(15deg) rotateX(5deg);
  }
  50% {
    transform: perspective(500px) rotateY(0deg) rotateX(-5deg);
  }
  75% {
    transform: perspective(500px) rotateY(-15deg) rotateX(5deg);
  }
  100% {
    transform: perspective(500px) rotateY(0deg) rotateX(0deg);
  }
}

.rotate-3d {
  animation: rotate3d 12s ease-in-out infinite;
}

/* ---------- Morph Blob Background ---------- */
@keyframes morphBlob {
  0%, 100% {
    border-radius: 42% 58% 70% 30% / 45% 45% 55% 55%;
    transform: translate(0, 0) rotate(0deg);
  }
  25% {
    border-radius: 70% 30% 46% 54% / 30% 65% 35% 70%;
    transform: translate(5px, -10px) rotate(2deg);
  }
  50% {
    border-radius: 30% 70% 54% 46% / 55% 30% 70% 45%;
    transform: translate(-5px, 5px) rotate(-2deg);
  }
  75% {
    border-radius: 55% 45% 30% 70% / 65% 55% 45% 35%;
    transform: translate(8px, 3px) rotate(1deg);
  }
}

.morph-blob {
  animation: morphBlob 15s ease-in-out infinite;
  will-change: border-radius, transform;
}

/* ---------- Glow Pulse ---------- */
@keyframes glowPulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(229, 199, 195, 0.2), 0 0 60px rgba(229, 199, 195, 0.05);
  }
  50% {
    box-shadow: 0 0 30px rgba(229, 199, 195, 0.4), 0 0 80px rgba(229, 199, 195, 0.1);
  }
}

.glow-pulse {
  animation: glowPulse 4s ease-in-out infinite;
}

/* ---------- Depth Shadow on Scroll ---------- */
.depth-shadow {
  transition: box-shadow 0.4s ease;
}

.depth-shadow:hover {
  box-shadow: 
    0 2px 4px rgba(115, 87, 91, 0.04),
    0 4px 8px rgba(115, 87, 91, 0.04),
    0 8px 16px rgba(115, 87, 91, 0.04),
    0 16px 32px rgba(115, 87, 91, 0.04),
    0 32px 64px rgba(115, 87, 91, 0.04);
}

/* ---------- Link Underline Animation ---------- */
.link-slide {
  position: relative;
  overflow: hidden;
}

.link-slide::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, #E5C7C3, #73575b);
  transform: translateX(-101%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.link-slide:hover::after {
  transform: translateX(0);
}

/* ---------- FAQ Accordion Smooth ---------- */
details {
  transition: all 0.3s ease;
}

details[open] {
  box-shadow: 0 8px 25px -5px rgba(115, 87, 91, 0.08);
}

details[open] summary {
  border-bottom-color: rgba(210, 195, 196, 0.3);
}

/* ---------- Loading Bar ---------- */
@keyframes loadingBar {
  0% { width: 0; }
  50% { width: 60%; }
  100% { width: 100%; }
}

.loading-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 2px;
  background: linear-gradient(90deg, #E5C7C3, #73575b, #E5C7C3);
  z-index: 9999;
  animation: loadingBar 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* ---------- Consistent Header ---------- */
.site-header {
  background: #FDFBF9;
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(229, 199, 195, 0.3);
  box-shadow: 0 2px 15px -3px rgba(229, 199, 195, 0.2);
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-header.scrolled {
  box-shadow: 0 4px 30px -5px rgba(229, 199, 195, 0.3);
  backdrop-filter: blur(12px) saturate(180%);
  -webkit-backdrop-filter: blur(12px) saturate(180%);
  background: rgba(253, 251, 249, 0.92);
}

/* ---------- Nav Link Hover 3D ---------- */
.nav-link-3d {
  position: relative;
  transition: all 0.3s ease;
  transform-style: preserve-3d;
}

.nav-link-3d:hover {
  transform: translateY(-2px) perspective(500px) rotateX(-5deg);
}

/* ---------- Custom Scrollbar ---------- */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: #FFF8F5;
}

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #E5C7C3, #73575b);
  border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
  background: #73575b;
}

/* ---------- Image Shine Effect ---------- */
.img-shine {
  position: relative;
  overflow: hidden;
}

.img-shine::after {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    to right,
    transparent 0%,
    rgba(255, 255, 255, 0.1) 45%,
    rgba(255, 255, 255, 0.3) 50%,
    rgba(255, 255, 255, 0.1) 55%,
    transparent 100%
  );
  transform: rotate(25deg) translateX(-150%);
  transition: transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

.img-shine:hover::after {
  transform: rotate(25deg) translateX(150%);
}

/* ---------- Counter Animation ---------- */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Decorative Orb ---------- */
.deco-orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  pointer-events: none;
  will-change: transform;
}

.deco-orb-primary {
  background: radial-gradient(circle, #E5C7C3, transparent 70%);
}

.deco-orb-accent {
  background: radial-gradient(circle, #feaab6, transparent 70%);
}

/* ---------- Mobile Nav Overlay ---------- */
.mobile-nav {
  position: fixed;
  inset: 0;
  background: rgba(253, 251, 249, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 100;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-nav.active {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav a {
  font-family: 'Noto Serif', serif;
  font-size: 1.8rem;
  color: #1e1b18;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.4s ease;
}

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

.mobile-nav.active a:nth-child(1) { transition-delay: 0.1s; }
.mobile-nav.active a:nth-child(2) { transition-delay: 0.15s; }
.mobile-nav.active a:nth-child(3) { transition-delay: 0.2s; }
.mobile-nav.active a:nth-child(4) { transition-delay: 0.25s; }
.mobile-nav.active a:nth-child(5) { transition-delay: 0.3s; }

/* ---------- Cursor Glow (desktop) ---------- */
@media (hover: hover) {
  .cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(229, 199, 195, 0.08) 0%, transparent 70%);
    pointer-events: none;
    z-index: 9998;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
    will-change: left, top;
  }
}

/* ---------- Accessibility: Reduce 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-up, .reveal-left, .reveal-right, .reveal-scale {
    opacity: 1;
    transform: none;
  }
}