@view-transition {
  navigation: auto;
}

/* ====================================================
   CRAFTELLA MOTION & TRANSITION SYSTEM
   High-performance, silky smooth 60fps animations
   ==================================================== */

:root {
  --spring-ease: cubic-bezier(0.16, 1, 0.3, 1);
  --smooth-ease: cubic-bezier(0.25, 0.8, 0.25, 1);
  --bounce-ease: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* 1. Page Load Stagger Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(22px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: scale(0.95) translateY(14px);
  }
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.hero-copy,
.page-heading {
  animation: fadeInUp 0.7s var(--spring-ease) both;
}

.hero-art,
.diwali-hero-photo {
  animation: fadeInScale 0.85s var(--spring-ease) 0.15s both;
}

/* 2. Glassmorphism Sticky Navigation Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(254, 250, 246, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  transition: background-color 0.28s var(--smooth-ease), box-shadow 0.28s var(--smooth-ease), border-color 0.28s var(--smooth-ease);
  z-index: 100;
  border-bottom: 1px solid rgba(232, 222, 201, 0.4);
}

.page-scrolled .header {
  background: rgba(254, 250, 246, 0.96);
  box-shadow: 0 10px 30px -10px rgba(32, 61, 121, 0.08);
  border-bottom-color: rgba(232, 222, 201, 0.8);
}

.header nav a {
  position: relative;
  transition: color 0.25s ease;
}

.header nav a::after {
  content: '';
  position: absolute;
  height: 2px;
  bottom: 4px;
  left: 0;
  width: 100%;
  background: var(--terracotta, #e06c4b);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.3s var(--spring-ease);
  border-radius: 2px;
}

.header nav a:hover::after,
.header nav a[aria-current]::after {
  transform: scaleX(1);
}

.header nav a:hover,
.header nav a[aria-current] {
  color: var(--terracotta, #e06c4b);
  text-decoration: none;
}

/* Brand Wordmark & Star Animation */
.wordmark .brand-icon {
  transition: transform 0.6s var(--spring-ease);
}

.wordmark:hover .brand-icon {
  transform: rotate(15deg) scale(1.08);
}

.brand-star {
  display: inline-block;
  transition: transform 0.8s var(--spring-ease);
}

.wordmark:hover .brand-star {
  transform: rotate(180deg) scale(1.2);
}

/* 3. Reading Scroll Progress Indicator */
.scroll-progress {
  position: fixed;
  z-index: 9999;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, #203d79, #e06c4b, #f5ce86);
  transform: scaleX(var(--page-progress, 0));
  transform-origin: left;
  pointer-events: none;
  transition: transform 0.1s linear;
}

/* 4. Luxury Product Cards Hover Physics */
.product-card,
.diwali-card {
  transition: transform 0.4s var(--spring-ease), box-shadow 0.4s var(--spring-ease), border-color 0.3s ease;
  will-change: auto;
  border-radius: 20px;
  position: relative;
  overflow: hidden;
  background: #ffffff;
}

.product-card:hover,
.diwali-card:hover {
  transform: translateY(-8px) scale(1.015);
  box-shadow: 0 20px 38px -12px rgba(32, 61, 121, 0.16), 0 8px 16px -6px rgba(0, 0, 0, 0.04);
  border-color: #d6caa8;
}

/* Smooth Image Zoom on Hover */
.product-image img,
.diwali-image img,
.category img {
  transition: transform 0.75s var(--spring-ease), filter 0.5s ease;
}

.product-card:hover .product-image img,
.diwali-card:hover .diwali-image img,
.category:hover img {
  transform: scale(1.06);
}

/* Shimmer Specular Light Beam on Card Hover */
.product-card::after,
.diwali-card::after {
  content: '';
  position: absolute;
  inset: -100% -50%;
  background: linear-gradient(115deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
  transform: translateX(-100%) rotate(25deg);
  pointer-events: none;
  transition: transform 0.85s var(--smooth-ease);
  z-index: 2;
}

.product-card:hover::after,
.diwali-card:hover::after {
  transform: translateX(100%) rotate(25deg);
}

/* 5. Buttons & Micro-Interactions */
.button,
.btn-razorpay-pay,
.btn-checkout-trigger,
.btn-whatsapp-confirm,
.btn-close-success,
.btn-guest-bypass,
.btn-google-signin,
.card-cart-btn {
  position: relative;
  overflow: hidden;
  box-shadow: 0 4px 14px rgba(32, 61, 121, 0.12);
  transition: transform 0.25s var(--spring-ease), box-shadow 0.25s var(--spring-ease), background-color 0.2s ease, border-color 0.2s ease;
}

.button:hover,
.btn-razorpay-pay:hover,
.btn-checkout-trigger:hover,
.btn-whatsapp-confirm:hover,
.btn-close-success:hover,
.btn-guest-bypass:hover,
.btn-google-signin:hover,
.card-cart-btn:hover {
  box-shadow: 0 8px 24px rgba(32, 61, 121, 0.22);
  transform: translateY(-2px);
}

.button:active,
.btn-razorpay-pay:active,
.btn-checkout-trigger:active,
.btn-whatsapp-confirm:active,
.btn-close-success:active,
.btn-guest-bypass:active,
.btn-google-signin:active,
.card-cart-btn:active {
  transform: translateY(0) scale(0.96);
  box-shadow: 0 2px 8px rgba(32, 61, 121, 0.15);
}

/* Light Sheen Sweep on Button Hover */
.button::after,
.btn-checkout-trigger::after,
.btn-razorpay-pay::after {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
  transition: left 0.6s var(--spring-ease);
  pointer-events: none;
}

.button:hover::after,
.btn-checkout-trigger:hover::after,
.btn-razorpay-pay:hover::after {
  left: 100%;
}

/* 6. Filter Buttons Sliding & Interaction */
.filters button {
  transition: all 0.3s var(--spring-ease);
  border-radius: 30px;
}

.filters button:hover {
  transform: translateY(-2px);
  border-color: #203d79;
}

.filters button:active {
  transform: scale(0.94);
}

.filters button[aria-pressed="true"] {
  box-shadow: 0 4px 16px rgba(32, 61, 121, 0.25);
  transform: scale(1.02);
}

/* 7. Cart Badge Bounce Pop */
@keyframes badgePop {
  0% { transform: scale(0.6); }
  50% { transform: scale(1.35); }
  100% { transform: scale(1); }
}

.cart-badge.bump {
  animation: badgePop 0.4s var(--bounce-ease) both;
}

/* Cart Toggle Button */
.cart-toggle {
  transition: transform 0.2s var(--spring-ease), background 0.2s ease;
}

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

.cart-toggle:active {
  transform: scale(0.94);
}

/* Stepper buttons tactile bounce */
.qty-stepper button,
.cart-qty-btn {
  transition: transform 0.15s var(--spring-ease), background 0.15s ease;
}

.qty-stepper button:hover,
.cart-qty-btn:hover {
  transform: scale(1.12);
}

.qty-stepper button:active,
.cart-qty-btn:active {
  transform: scale(0.85);
}

/* 8. Hero Photo Ambient Float */
@keyframes ambientFloat {
  0% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(0.5deg); }
  100% { transform: translateY(0px) rotate(0deg); }
}

.hero-art .seal {
  animation: ambientFloat 6s ease-in-out infinite;
}

.art-star {
  display: inline-block;
  animation: starTurn 24s linear infinite;
}

@keyframes starTurn {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* 9. Festive Sparks Drift (Diwali Page) */
.festive-sparks {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.festive-sparks i {
  position: absolute;
  left: var(--x);
  top: var(--y);
  width: var(--size);
  height: var(--size);
  border-radius: 50%;
  background: #ffe0a4;
  box-shadow: 0 0 15px 4px rgba(248, 201, 103, 0.25);
  opacity: 0.25;
  animation: sparkDrift var(--duration) ease-in-out infinite alternate;
  animation-delay: var(--delay);
}

@keyframes sparkDrift {
  0% { transform: translate3d(0, 8px, 0); opacity: 0.15; }
  100% { transform: translate3d(14px, -28px, 0); opacity: 0.75; }
}

/* 10. Spring Arrival Modal Dialogs */
dialog[open] {
  animation: dialogSpringArrival 0.45s var(--spring-ease) both;
}

dialog[open]::backdrop {
  animation: backdropFade 0.35s ease both;
}

@keyframes dialogSpringArrival {
  from {
    opacity: 0;
    transform: perspective(1000px) translateY(28px) scale(0.94);
  }
  to {
    opacity: 1;
    transform: perspective(1000px) translateY(0) scale(1);
  }
}

@keyframes backdropFade {
  from { opacity: 0; backdrop-filter: blur(0px); }
  to { opacity: 1; backdrop-filter: blur(3px); }
}

.dialog-close {
  transition: transform 0.3s var(--spring-ease), background 0.2s ease;
}

.dialog-close:hover {
  transform: rotate(90deg) scale(1.1);
}

/* 11. Native cross-page transitions, where the browser supports them */
::view-transition-old(root) {
  animation: pageLeave 0.2s cubic-bezier(0.4, 0, 1, 1) both;
}

::view-transition-new(root) {
  animation: pageArrive 0.35s var(--spring-ease) both;
}

@keyframes pageLeave {
  to {
    opacity: 0;
    transform: translateY(-8px) scale(0.99);
  }
}

@keyframes pageArrive {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.99);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* 12. Accessibility Controls (Motion toggle kept unobtrusive for ultra-clean UI; prefers-reduced-motion respected natively) */
.motion-toggle {
  display: none !important;
}

@media (max-width: 700px) {
  .motion-toggle {
    display: none; /* Hide on small screens for cleaner mobile UI */
  }
}

/* Reduced motion preference respect */
@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;
  }
}