@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:ital,wght@0,300;0,400;0,600;0,700;0,800;0,900;1,700&family=Playfair+Display:ital,wght@0,600;0,700;0,900;1,600&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

:root {
  --bg-color: #430B04;
  --bg-gradient: radial-gradient(circle at 50% 40%, #561007 0%, #300602 85%);
  --accent-cream: #D7C6A5;
  --accent-cream-light: #F4EAD4;
  --accent-gold: #E5C384;
  --text-main: #D7C6A5;
  --text-muted: #B8A684;
  --card-border: #D7C6A5;
  --card-bg: #EAE1D0;
  --stamp-red: #A31C19;
  --font-display: 'Barlow Condensed', sans-serif;
  --font-serif: 'Playfair Display', serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
}

[data-theme="green"] {
  --bg-color: #0c2b18;
  --bg-gradient: radial-gradient(circle at 50% 40%, #134226 0%, #06170d 85%);
  --accent-cream: #D4CDBE;
  --text-main: #D4CDBE;
  --card-border: #D4CDBE;
}

[data-theme="noir"] {
  --bg-color: #141212;
  --bg-gradient: radial-gradient(circle at 50% 40%, #242020 0%, #0a0909 85%);
  --accent-cream: #DFD5C2;
  --text-main: #DFD5C2;
  --card-border: #DFD5C2;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  font-family: var(--font-body);
  height: 100vh;
  width: 100vw;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-font-smoothing: antialiased;
  transition: background 0.8s ease;
}

/* Background Snow Canvas */
#snow-canvas {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 5;
}

body:not(.catalog-open) #snow-canvas {
  z-index: 35;
}

/* Original RIVEN-style animated nutcracker layer on the cover only */
.cover-intro-video {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
  opacity: 0;
  transition: opacity 2s cubic-bezier(0.16, 1, 0.3, 1);
}

.cover-video-vignette {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: radial-gradient(ellipse at 50% 46%, transparent 28%, rgba(13, 3, 2, 0.5) 100%);
  opacity: 0;
  transition: opacity 2s ease;
}

#cover-view.intro-loaded .cover-intro-video,
#cover-view.intro-loaded .cover-video-vignette {
  opacity: 1;
}

/* Top Banner Notification */
.top-notification {
  position: fixed;
  top: 1rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  background: var(--accent-cream);
  color: var(--bg-color);
  padding: 0.45rem 1.25rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.35);
  text-decoration: none;
  transition: transform 0.25s ease, background 0.25s ease;
}

.top-notification:hover {
  transform: translateX(-50%) translateY(-2px);
  background: #fff;
}

.top-notification span.btn-link {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Header */
header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  padding: 9vh 6.25vw 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 90;
  pointer-events: none;
}

header * {
  pointer-events: auto;
}

.brand-block {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: var(--accent-cream);
  cursor: pointer;
}

.brand-logo {
  display: block;
  width: clamp(7.5rem, 12vw, 10rem);
  height: auto;
  object-fit: contain;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.cart-toggle {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 42px;
  padding: 0.55rem 0.85rem;
  border: 1px solid rgba(215, 198, 165, 0.35);
  border-radius: 999px;
  background: rgba(48, 6, 2, 0.78);
  color: var(--accent-cream);
  font: 700 0.78rem var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  cursor: pointer;
  backdrop-filter: blur(8px);
}

.cart-toggle-icon {
  width: 20px;
  height: 20px;
}

.cart-count {
  display: grid;
  place-items: center;
  min-width: 1.35rem;
  height: 1.35rem;
  padding: 0 0.25rem;
  border-radius: 50%;
  background: var(--accent-cream);
  color: var(--bg-color);
  font: 800 0.7rem var(--font-body);
}

/* Color theme dots */
.theme-picker {
  display: flex;
  background: rgba(0, 0, 0, 0.25);
  backdrop-filter: blur(8px);
  padding: 0.3rem;
  border-radius: 999px;
  border: 1px solid rgba(215, 198, 165, 0.25);
}

body:not(.catalog-open) .theme-picker {
  display: none;
}

body:not(.catalog-open) .cart-toggle {
  display: none;
}

body:has(#product-detail-view.active-view) .cart-toggle {
  visibility: hidden;
  pointer-events: none;
}

/* Keep the theme controls out of the product viewer's close-button area. */
body:has(#product-detail-view.active-view) .theme-picker {
  visibility: hidden;
  pointer-events: none;
}

.theme-dot {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  margin: 0 4px;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease;
  border: 2px solid transparent;
}

.theme-dot.burgundy { background: #561007; }
.theme-dot.green { background: #134226; }
.theme-dot.noir { background: #242020; }

.theme-dot.active {
  border-color: var(--accent-cream);
  transform: scale(1.15);
}

/* Sound Button */
.btn-sound {
  position: fixed;
  bottom: 2.25rem;
  left: 2.25rem;
  z-index: 100;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: transparent;
  border: none;
  color: var(--accent-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0.85;
  transition: opacity 0.2s ease;
}

.sound-off-icon,
.btn-sound.is-muted .sound-on-icon {
  display: none;
}

.btn-sound.is-muted .sound-off-icon {
  display: block;
}

.btn-sound:hover {
  opacity: 1;
}

/* VIEW 1: COVER SCREEN */
#cover-view {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw 0 6vw;
  z-index: 20;
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

#cover-view.hidden-view {
  opacity: 0;
  transform: scale(0.96);
  pointer-events: none;
}

.cover-left {
  max-width: 29vw;
  z-index: 10;
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 0.8s ease 0.35s, transform 0.8s ease 0.35s;
}

#cover-view.intro-loaded .cover-left {
  opacity: 1;
  transform: translateY(0);
}

.cover-hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.5vw, 2rem);
  font-weight: 900;
  line-height: 0.92;
  letter-spacing: -0.01em;
  text-transform: uppercase;
  color: var(--accent-cream);
  text-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
}

.cover-hero-desc {
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-muted);
  margin-top: 1.2rem;
  max-width: 340px;
  font-weight: 300;
}

/* Center Hero Card */
.cover-center {
  position: absolute;
  left: 50%;
  top: 53.5%;
  transform: translate(-50%, -50%);
  z-index: 15;
  perspective: 1000px;
  opacity: 0;
}

#cover-view.intro-loaded .cover-center {
  animation: coverCardEntrance 2.5s cubic-bezier(0.68, -0.6, 0.32, 1.6) both;
}

.hero-card-perspective {
  width: min(30.5vw, 390px);
  height: min(80vh, 49.72vw, 636px);
  aspect-ratio: 650/1060;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: transform;
}

.hero-card-frame {
  width: 100%;
  height: 100%;
  position: relative;
  cursor: pointer;
  transform-style: preserve-3d;
  transform: rotate(-1deg);
}

.hero-card-frame-art {
  display: block;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 20px 35px rgba(0, 0, 0, 0.58));
  pointer-events: none;
  transition: filter 0.45s ease;
}

/* Cover Bottom Right Controls */
.cover-right-actions {
  position: fixed;
  bottom: 6.75vh;
  right: 3.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  z-index: 100;
  opacity: 0;
  transition: opacity 2s cubic-bezier(0.68, -0.6, 0.32, 1.6);
}

#cover-view.intro-loaded .cover-right-actions {
  opacity: 1;
}

.btn-grid-explorer {
  display: none;
  flex-direction: column;
  align-items: center;
  background: transparent;
  border: none;
  color: var(--accent-cream);
  cursor: pointer;
  gap: 0.4rem;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.btn-grid-explorer:hover {
  transform: scale(1.08);
}

.grid-icon-circle {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--accent-cream);
  color: var(--bg-color);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.btn-grid-explorer span.label {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  line-height: 1;
}

.btn-commencer {
  background: var(--accent-cream);
  color: var(--bg-color);
  padding: 1.1rem 2.8rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 1.45rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transition: all 0.25s ease;
  transform-origin: center;
  animation: pulse 1.8s ease-in-out infinite alternate;
}

.btn-commencer:hover {
  background: #fff;
  animation: none;
  transform: scale(1.1);
}

.btn-commencer:active {
  animation: none;
  transform: scale(0.9);
}

/* VIEW 2: HORIZONTAL 3D CARDS GALLERY */
#catalog-view {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  z-index: 30;
  opacity: 0;
  pointer-events: none;
  transform: scale(2.2);
}

#catalog-view.active-view {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
  animation: catalogEntry 2.85s 0.12s cubic-bezier(0.16, 1, 0.3, 1) both;
}

#catalog-view.detail-open {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.96);
  animation: none;
}

/* VIEW 3: SELECTED PRODUCT */
#product-detail-view {
  position: absolute;
  inset: 0;
  /* Keep the whole detail layer above the fixed header on touch screens. */
  z-index: 120;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(48, 6, 2, 0.42);
  background: rgba(48, 6, 2, 0.68);
  opacity: 0;
  pointer-events: none;
  transform: scale(1.04);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

#product-detail-view.active-view {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

.product-detail-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-height: 94vh;
}

.product-detail-gallery {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(0.75rem, 3vw, 2.5rem);
  width: min(94vw, 900px);
  perspective: 1400px;
}

.product-detail-card-mount {
  width: min(58vw, 500px, 42.3vh);
  height: auto;
  aspect-ratio: 650 / 1060;
  perspective: 1200px;
  flex: 0 1 auto;
  transform-style: preserve-3d;
  transform: translate3d(var(--pointer-x, 0), var(--pointer-y, 0), 0) rotateX(var(--pointer-rotate-x, 0deg)) rotateY(var(--pointer-rotate-y, 0deg));
  transition: transform 0.42s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.28s ease;
}

#product-detail-view.active-view .product-detail-card-mount {
  animation: selectedCardSpring 0.62s both cubic-bezier(0.2, 0.85, 0.25, 1.15);
}

@keyframes selectedCardSpring {
  0% {
    opacity: 0;
    transform: translate3d(0, 36px, 0) scale(0.72) rotateX(8deg);
  }
  74% {
    opacity: 1;
    transform: translate3d(0, -3px, 0) scale(1.035) rotateX(-1deg);
  }
  100% {
    opacity: 1;
    transform: translate3d(var(--pointer-x, 0), var(--pointer-y, 0), 0) rotateX(var(--pointer-rotate-x, 0deg)) rotateY(var(--pointer-rotate-y, 0deg));
  }
}

.product-detail-card-mount.is-switching {
  opacity: 0;
}

.product-detail-card-mount.is-switching.is-next {
  transform: translateX(-24px) rotateY(-9deg) scale(0.97);
}

.product-detail-card-mount.is-switching.is-previous {
  transform: translateX(24px) rotateY(9deg) scale(0.97);
}

.product-detail-card-mount.is-entering.is-next {
  transform: translateX(24px) rotateY(9deg) scale(0.97);
  opacity: 0;
}

.product-detail-card-mount.is-entering.is-previous {
  transform: translateX(-24px) rotateY(-9deg) scale(0.97);
  opacity: 0;
}

.product-detail-card-mount .gallery-card-item {
  width: 100%;
  height: 100%;
  transform: rotate(var(--card-rotation));
}

.product-detail-card-mount .gallery-card-item:hover {
  transform: rotate(var(--card-rotation)) scale(1.02);
}

/* The detail viewer owns the flip state, keeping the 3D action independent
   from the card clone used to open it. */
.product-detail-card-mount.is-flipped .gallery-card-inner {
  transform: rotateY(180deg) !important;
}

.product-detail-title {
  margin: 2rem 0 0;
  color: var(--accent-cream);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  text-align: center;
  text-transform: uppercase;
}

.product-photo-count {
  margin-top: 0.5rem;
  color: var(--text-muted);
  font: 700 0.75rem var(--font-display);
  letter-spacing: 0.12em;
}

.product-detail-close {
  position: absolute;
  top: max(1.25rem, env(safe-area-inset-top));
  right: max(1.25rem, env(safe-area-inset-right));
  z-index: 91;
  display: grid;
  place-items: center;
  width: 3.75rem;
  height: 3.75rem;
  border: 0;
  border-radius: 999px;
  padding: 0;
  background: var(--accent-cream);
  color: var(--bg-color);
  cursor: pointer;
  transition: transform 0.2s ease;
}

.product-detail-close svg {
  display: block;
  width: 1.35rem;
  height: 1.35rem;
}

.product-detail-close:hover {
  transform: rotate(90deg);
}

.product-photo-arrow {
  position: relative;
  top: 0;
  z-index: 2;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: clamp(2.75rem, 5vw, 4rem);
  height: clamp(2.75rem, 5vw, 4rem);
  border: 1px solid rgba(234, 225, 208, 0.55);
  border-radius: 50%;
  background: rgba(234, 225, 208, 0.14);
  color: var(--accent-cream);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.product-photo-arrow svg {
  display: block;
  width: clamp(1.35rem, 2.5vw, 1.65rem);
  height: clamp(1.35rem, 2.5vw, 1.65rem);
  flex: none;
}

.product-photo-arrow[hidden] {
  display: none;
}

.product-photo-arrow:hover:not(:disabled) {
  transform: scale(1.08);
  background: var(--accent-cream);
  color: var(--bg-color);
}

.product-photo-arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

#cards-track .flip-badge {
  display: none;
}

.product-detail-card-mount .flip-badge {
  display: block;
}

.product-detail-card-mount .gallery-img-box img {
  transition: opacity 0.24s ease, transform 0.32s ease;
}

.product-detail-card-mount .gallery-img-box img.photo-changing {
  opacity: 0.15;
  transform: scale(0.97);
}

.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  justify-content: flex-end;
  background: rgba(18, 3, 1, 0.62);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}

.cart-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.cart-panel {
  display: flex;
  flex-direction: column;
  width: min(100%, 480px);
  height: 100%;
  padding: clamp(1.25rem, 4vw, 2.25rem);
  border-left: 1px solid rgba(215, 198, 165, 0.25);
  background: #fbf7f0;
  color: #2b1812;
  box-shadow: -18px 0 60px rgba(0, 0, 0, 0.28);
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.cart-overlay.open .cart-panel {
  transform: translateX(0);
}

.cart-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.2rem;
  border-bottom: 1px solid #e2d7c5;
}

.cart-eyebrow {
  margin-bottom: 0.25rem;
  color: #927b5c;
  font: 700 0.7rem var(--font-display);
  letter-spacing: 0.16em;
}

.cart-header h2 {
  color: #381c13;
  font: 800 1.8rem var(--font-display);
  text-transform: uppercase;
}

.cart-close {
  width: 2.8rem;
  height: 2.8rem;
  border: 0;
  border-radius: 50%;
  background: #eee3d1;
  color: #381c13;
  font-size: 2rem;
  cursor: pointer;
}

.cart-items {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.cart-item {
  display: grid;
  grid-template-columns: 4.25rem minmax(0, 1fr);
  gap: 0.9rem;
  padding: 1rem 0;
  border-bottom: 1px solid #e8dfd1;
}

.cart-item > img {
  width: 4.25rem;
  height: 5.25rem;
  border-radius: 10px;
  object-fit: cover;
}

.cart-item-info h3 {
  margin: 0.1rem 0 0.25rem;
  color: #381c13;
  font: 700 1rem var(--font-serif);
}

.cart-item-info p {
  color: #7b6b58;
  font-size: 0.82rem;
}

.cart-item-subtotal {
  grid-column: 2;
  color: #6e261d;
  font: 800 1rem var(--font-display);
}

.cart-item-controls {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin-top: 0.65rem;
}

.cart-item-controls button:not(.cart-remove) {
  width: 1.8rem;
  height: 1.8rem;
  border: 1px solid #d8cbb8;
  border-radius: 50%;
  background: #fffdf9;
  color: #381c13;
  font-size: 1.1rem;
  cursor: pointer;
}

.cart-item-controls output {
  min-width: 1.2rem;
  text-align: center;
  font-weight: 700;
}

.cart-remove {
  margin-left: auto;
  border: 0;
  background: none;
  color: #8d3a2d;
  font-size: 0.75rem;
  text-decoration: underline;
  cursor: pointer;
}

.cart-empty {
  display: grid;
  gap: 0.45rem;
  padding: 3rem 1rem;
  color: #705f4d;
  text-align: center;
}

.cart-empty span {
  color: #381c13;
  font: 700 1.15rem var(--font-serif);
}

.cart-empty small {
  line-height: 1.5;
}

.cart-footer {
  padding-top: 1.2rem;
  border-top: 1px solid #e2d7c5;
}

.cart-total-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  color: #381c13;
  font-size: 1.05rem;
}

.cart-total-row strong {
  font: 900 1.5rem var(--font-display);
}

.cart-checkout {
  width: 100%;
  min-height: 3.25rem;
  border: 0;
  border-radius: 10px;
  background: #1e7041;
  color: #fff;
  font: 800 1rem var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.cart-checkout:disabled {
  background: #bdb5aa;
  cursor: not-allowed;
}

.cart-note {
  margin-top: 0.65rem;
  color: #7b6b58;
  font-size: 0.72rem;
  line-height: 1.45;
  text-align: center;
}

/* Horizontal Floating Track */
.track-viewport {
  width: 100vw;
  height: 72vh;
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  cursor: grab;
  perspective: 1400px;
  display: flex;
  align-items: center;
  scrollbar-width: none;
  -ms-overflow-style: none;
  touch-action: none;
}

.track-viewport::-webkit-scrollbar {
  display: none;
}

.track-viewport:active {
  cursor: grabbing;
}

.cards-track {
  display: flex;
  align-items: center;
  gap: 3.2rem;
  padding: 0 42vw;
  transform-style: preserve-3d;
  transition: transform 0.1s ease-out;
}

/* Individual 3D Card */
.gallery-card-item {
  width: 340px;
  height: 550px;
  aspect-ratio: 650/1060;
  position: relative;
  flex-shrink: 0;
  perspective: 1200px;
  transform: rotate(var(--card-rotation));
  transition: transform 0.2s ease;
}

.gallery-card-item:hover {
  transform: rotate(0deg) scale(1.03);
}

.gallery-card-item:active {
  transform: rotate(0deg) scale(0.95);
}

.gallery-card-inner {
  width: 100%;
  height: 100%;
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
  border-radius: 22px;
}

.gallery-card-inner.flipped {
  transform: rotateY(180deg);
}

/* Front & Back Faces */
.card-side {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  backface-visibility: hidden;
  border-radius: 22px;
  overflow: hidden;
}

/* Front side */
.card-side.front {
  background: var(--card-border);
  padding: 12px;
  box-shadow: 0 14px 34px -14px rgba(0, 0, 0, 0.32), 0 0 0 1px rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
}

.gallery-img-box {
  width: 100%;
  height: auto;
  min-height: 0;
  flex: 1 1 auto;
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  background: #2b0805;
}

.gallery-img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Price Badge on Front */
.front-price-tag {
  display: inline-flex;
  align-items: baseline;
  gap: 0.25rem;
  color: #381c13;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1rem, 2.2vw, 1.35rem);
  line-height: 1;
  white-space: nowrap;
}

.front-price-tag small {
  font-size: 0.68em;
  font-weight: 700;
  color: #6d5f4f;
}

.card-sticker-tag {
  flex: 0 0 48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: 1fr;
  align-items: center;
  column-gap: 0.6rem;
  padding: 0.45rem 0.4rem 0;
  color: #381c13;
}

.sticker-title {
  grid-column: 1;
  overflow: hidden;
  font: 800 clamp(0.76rem, 1.8vw, 1rem) / 1.05 var(--font-display);
  letter-spacing: 0.045em;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.sticker-brand {
  display: none;
  grid-column: 1;
  overflow: hidden;
  color: #78684f;
  font: 600 clamp(0.56rem, 1.3vw, 0.68rem) / 1 var(--font-body);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-sticker-tag .front-price-tag {
  grid-column: 2;
  grid-row: 1 / span 2;
}

/* Flip prompt badge */
.flip-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(67, 11, 4, 0.85);
  color: var(--accent-cream);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  backdrop-filter: blur(4px);
  border: 1px solid rgba(215, 198, 165, 0.3);
}

/* Back side (Tactile Postcard Style) */
.card-side.back {
  transform: rotateY(180deg);
  background: #fbf7f0;
  color: #2b1812;
  padding: 1.4rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 3px solid var(--card-border);
  box-shadow: 0 14px 34px -14px rgba(0, 0, 0, 0.32);
}

.back-postal-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  border-bottom: 2px solid #e2d7c5;
  padding-bottom: 0.8rem;
}

.stamp-box-retro {
  border: 2px dashed #a89a84;
  background: #f4ecdf;
  border-radius: 4px;
  padding: 4px 8px;
  text-align: center;
  font-family: var(--font-display);
}

.stamp-box-retro span {
  font-size: 0.62rem;
  display: block;
  letter-spacing: 0.1em;
  color: #7a6e5b;
}

.stamp-box-retro strong {
  font-size: 1.05rem;
  color: var(--stamp-red);
}

.postal-seal-tag {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--stamp-red);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border: 2px solid var(--stamp-red);
  padding: 3px 8px;
  border-radius: 6px;
  transform: rotate(-3deg);
}

.back-postal-content {
  margin: 0.6rem 0;
  flex-grow: 1;
}

.item-name-title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1.15;
  color: #381c13;
  margin-bottom: 0.35rem;
}

.item-category-tag {
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #8c7158;
  margin-bottom: 0.6rem;
}

.item-text-desc {
  font-size: 0.82rem;
  line-height: 1.45;
  color: #554841;
  margin-bottom: 0.8rem;
}

.item-specs-table {
  background: #f2e9dc;
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem;
  font-size: 0.74rem;
}

.spec-cell strong {
  display: block;
  font-size: 0.64rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #827464;
}

.spec-cell span {
  font-weight: 600;
  color: #2e1d17;
}

.spec-cell.full-price {
  grid-column: span 2;
  background: #faeed7;
  border: 1px solid #e0c89c;
  border-radius: 6px;
  padding: 0.35rem 0.6rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.spec-cell.full-price strong {
  font-size: 0.72rem;
  color: #855523;
}

.spec-cell.full-price span {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 900;
  color: var(--stamp-red);
}

.back-actions-box {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.btn-add-to-cart {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  border: 0;
  padding: 0.75rem 1rem;
  border-radius: 10px;
  background: #1e7041;
  color: #fff;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 12px rgba(30, 112, 65, 0.3);
}

.btn-add-to-cart:hover {
  background: #175a34;
  transform: translateY(-2px);
}

.cart-toast {
  position: fixed;
  left: 50%;
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 250;
  max-width: min(90vw, 32rem);
  padding: 0.85rem 1.25rem;
  border: 1px solid rgba(234, 225, 208, 0.35);
  border-radius: 999px;
  background: #1e7041;
  color: #fff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  font: 700 0.95rem var(--font-display);
  text-align: center;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 1rem);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.cart-toast.visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

/* Bottom Gallery Info */
.gallery-bottom-bar {
  position: fixed;
  bottom: 6rem;
  left: 0;
  right: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  pointer-events: none;
  z-index: 100;
}

.gallery-bottom-bar * {
  pointer-events: auto;
}

.drag-hint-icon {
  animation: scrollUpDown 2s ease-in-out infinite;
  color: var(--accent-cream);
  margin-bottom: 0.35rem;
}

.gallery-counter-tag {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent-cream);
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
}

.gallery-back-cover-btn {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  right: auto;
  z-index: 100;
  background: var(--accent-cream);
  color: var(--bg-color);
  padding: 0.85rem 1.8rem;
  border-radius: 999px;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
  transform: translateX(-50%);
  transition: all 0.25s ease;
}

.gallery-back-cover-btn:hover {
  background: #fff;
  transform: translate(-50%, -2px) scale(1.04);
}

/* Animations */
@keyframes scrollUpDown {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

@keyframes coverCardEntrance {
  0% {
    opacity: 0;
    transform: translate(calc(-50% + 2000px), calc(-50% + 400px)) scale(0.6) rotate(10deg) rotateX(40deg) rotateY(40deg);
  }
  100% {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1) rotate(0) rotateX(0) rotateY(0);
  }
}

@keyframes pulse {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

@keyframes catalogEntry {
  0% {
    opacity: 0;
    transform: scale(2.2);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .cover-intro-video,
  .cover-video-vignette,
  .cover-left,
  .cover-right-actions {
    transition: none;
  }

  #cover-view.intro-loaded .cover-center {
    animation: none;
    opacity: 1;
    transform: translate(-50%, -50%);
  }

  .hero-card-perspective,
  .hero-card-frame,
  .hero-card-frame-art,
  .btn-commencer,
  .cover-right-actions {
    animation: none;
    transition: none;
  }

  #catalog-view.active-view {
    animation: none;
  }

  #product-detail-view.active-view .product-detail-card-mount {
    animation: none;
  }

}

/* Mobile Responsiveness */
@media (max-width: 900px) {
  header {
    padding: 1.4rem 1.5rem;
  }
  .brand-logo {
    width: 7.5rem;
  }
  .top-notification {
    display: none;
  }
  #product-detail-view {
    align-items: flex-start;
    overflow-y: auto;
    backdrop-filter: none;
    padding: max(4.25rem, calc(env(safe-area-inset-top) + 3.25rem)) 0.75rem max(2rem, env(safe-area-inset-bottom));
    overscroll-behavior: contain;
  }
  .product-detail-content {
    width: 100%;
    margin: auto;
    max-height: none;
  }
  .product-detail-gallery {
    gap: clamp(0.35rem, 2vw, 0.75rem);
    width: 100%;
    max-width: 560px;
    margin-inline: auto;
  }
  .product-detail-card-mount {
    width: min(72vw, 380px, calc((100svh - 190px) * 0.6132));
    min-width: 0;
    height: auto;
    aspect-ratio: 650 / 1060;
    flex: 0 1 auto;
    transform: none;
    animation: none !important;
    transition: opacity 0.2s ease;
  }
  .product-detail-card-mount .gallery-card-item,
  .cards-track .gallery-card-item {
    transform: none;
    transition: none;
  }
  .product-detail-card-mount .gallery-card-item:hover {
    transform: none;
  }
  #catalog-view.active-view {
    animation: none;
    transform: none;
  }
  .product-detail-close {
    top: max(0.75rem, env(safe-area-inset-top));
    right: max(0.75rem, env(safe-area-inset-right));
    width: 2.75rem;
    height: 2.75rem;
  }
  .product-detail-close svg {
    width: 1.2rem;
    height: 1.2rem;
  }
  .product-photo-arrow {
    top: 0;
    width: clamp(2.25rem, 11vw, 2.65rem);
    height: clamp(2.25rem, 11vw, 2.65rem);
  }
  .product-photo-arrow svg {
    width: 1.25rem;
    height: 1.25rem;
  }
  .product-photo-arrow:hover:not(:disabled) {
    transform: scale(1.05);
  }
  .product-detail-title {
    max-width: 34rem;
    margin-top: 1.5rem;
    padding-inline: 0.5rem;
    font-size: clamp(1.25rem, 5.3vw, 1.8rem);
    line-height: 1.08;
  }
  .product-photo-count {
    margin-top: 0.35rem;
  }
  .card-side.front {
    padding: 8px;
  }
  .card-sticker-tag {
    flex-basis: 48px;
    column-gap: 0.3rem;
    padding-top: 0.35rem;
  }
  .sticker-title {
    font-size: clamp(0.68rem, 3.1vw, 0.9rem);
  }
  .sticker-brand {
    font-size: clamp(0.5rem, 2.2vw, 0.62rem);
  }
  .card-sticker-tag .front-price-tag {
    font-size: clamp(0.95rem, 4vw, 1.2rem);
  }
  .btn-add-to-cart {
    min-height: 46px;
    font-size: 1.05rem;
  }
  .item-text-desc {
    font-size: 0.76rem;
  }
  .item-specs-table {
    padding: 0.5rem 0.55rem;
    font-size: 0.68rem;
  }
  .back-postal-content {
    overflow-y: auto;
    min-height: 0;
  }
  .cart-toggle-label {
    display: none;
  }
  .cart-toggle {
    min-height: 38px;
    padding: 0.45rem;
  }
  #cover-view {
    flex-direction: column;
    justify-content: center;
    padding: 5rem 1.5rem 6rem;
    text-align: center;
  }
  .cover-left {
    max-width: 100%;
    margin-bottom: 1.5rem;
  }
  .cover-hero-title {
    font-size: 9.5vw;
  }
  .cover-center {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    margin: 1rem auto;
  }
  #cover-view.intro-loaded .cover-center {
    animation: none;
    opacity: 1;
    transform: none;
  }
  .hero-card-perspective {
    /* Keep the full card below the headline on short mobile viewports. */
    width: min(290px, 78vw, calc((100svh - 22rem) * 0.6132));
    height: auto;
    aspect-ratio: 650 / 1060;
  }
  .cover-right-actions {
    position: static;
    margin-top: 1.5rem;
    justify-content: center;
  }
  .btn-grid-explorer {
    display: flex;
  }
  .btn-commencer {
    display: none;
  }
  .gallery-card-item {
    width: 280px;
    height: 450px;
  }
  .cards-track {
    padding: 0 15vw;
    gap: 1.5rem;
  }
}

@media (max-width: 600px) {
  html,
  body {
    width: 100%;
    height: 100dvh;
    min-height: 0;
    overflow: hidden;
    overscroll-behavior: none;
  }

  html,
  body {
    position: fixed;
    inset: 0;
  }

  #catalog-view {
    height: 100dvh;
    overflow: hidden;
    overscroll-behavior: none;
  }

  .track-viewport {
    overscroll-behavior: none;
    touch-action: none;
  }

  header {
    min-height: 4.25rem;
    padding: max(0.65rem, env(safe-area-inset-top)) max(0.75rem, env(safe-area-inset-right));
  }

  .brand-block {
    position: absolute;
    top: max(0.65rem, env(safe-area-inset-top));
    left: max(0.75rem, env(safe-area-inset-left));
    transform: none;
  }

  .brand-logo {
    width: clamp(4.75rem, 22vw, 6.25rem);
  }

  .header-actions {
    position: absolute;
    top: max(0.65rem, env(safe-area-inset-top));
    right: max(0.65rem, env(safe-area-inset-right));
    gap: 0.45rem;
  }

  #cover-view {
    width: 100%;
    height: 100svh;
    min-height: 0;
    overflow: hidden;
    overscroll-behavior: none;
    padding: max(4.75rem, calc(env(safe-area-inset-top) + 4rem)) 1rem max(5rem, calc(env(safe-area-inset-bottom) + 4rem));
    justify-content: flex-start;
  }

  .cover-left {
    flex: 0 0 auto;
    width: 100%;
    margin: 0;
  }

  .cover-hero-desc {
    display: none;
  }

  .hero-card-perspective {
    width: min(320px, 82vw, calc((100svh - 15rem) * 0.6132));
    height: auto;
    aspect-ratio: 650 / 1060;
  }

  .cover-hero-title {
    max-width: 22rem;
    margin-inline: auto;
    font-size: clamp(1.65rem, 7.7vw, 2.25rem);
    line-height: 0.98;
  }

  .cover-center {
    position: absolute;
    top: 53%;
    left: 50%;
    margin: 0;
    transform: translate(-50%, -50%);
  }

  #cover-view.intro-loaded .cover-center {
    transform: translate(-50%, -50%);
  }

  .cover-right-actions {
    position: fixed;
    display: flex;
    right: auto;
    bottom: max(1.5rem, calc(env(safe-area-inset-bottom) + 0.75rem));
    left: 50%;
    margin: 0;
    opacity: 1;
    transform: translateX(-50%);
    visibility: visible;
    z-index: 200;
    pointer-events: auto;
  }

  #cover-view .cover-right-actions {
    opacity: 1;
  }

  .btn-grid-explorer {
    display: flex;
    position: relative;
    z-index: 201;
    min-width: 7rem;
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .btn-commencer {
    display: none;
  }

  .btn-sound {
    position: fixed;
    z-index: 210;
    bottom: max(1.5rem, calc(env(safe-area-inset-bottom) + 0.75rem));
    left: max(0.85rem, env(safe-area-inset-left));
    display: flex;
    width: 2.75rem;
    height: 2.75rem;
    border: 0;
    background: rgba(48, 6, 2, 0.78);
    color: var(--accent-cream-light);
    box-shadow: 0 3px 14px rgba(0, 0, 0, 0.35);
    opacity: 1;
  }

  .gallery-bottom-bar {
    bottom: calc(max(2.25rem, env(safe-area-inset-bottom) + 1.25rem) + 4.25rem);
  }

  .drag-hint-icon {
    display: none;
  }

  .gallery-counter-tag {
    font-size: clamp(1.2rem, 6vw, 1.55rem);
    line-height: 1.05;
    text-align: center;
  }

  .gallery-back-cover-btn {
    right: auto;
    bottom: max(2.25rem, calc(env(safe-area-inset-bottom) + 1.25rem));
    left: 50%;
    padding: 0.75rem 1.8rem;
    font-size: 1rem;
    letter-spacing: 0.08em;
    transform: translateX(-50%);
    white-space: nowrap;
  }

  .gallery-back-cover-btn:hover {
    transform: translate(-50%, -2px) scale(1.03);
  }

  .track-viewport {
    height: 68svh;
    min-height: 360px;
    max-height: 560px;
  }

  .gallery-card-item {
    width: min(76vw, 280px);
    height: auto;
    aspect-ratio: 650 / 1060;
  }

  .cards-track {
    padding-inline: 12vw;
    gap: 1rem;
  }

  .cart-panel {
    width: min(100%, 480px);
    height: min(84svh, 680px);
    max-height: calc(100svh - env(safe-area-inset-top) - 0.75rem);
    align-self: flex-end;
    padding: 1.15rem 1rem calc(max(1rem, env(safe-area-inset-bottom)) + 0.75rem);
    border-top: 1px solid rgba(215, 198, 165, 0.25);
    border-left: 0;
    border-radius: 1.25rem 1.25rem 0 0;
    transform: translateY(100%);
    transition: transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
  }

  .cart-header {
    flex: 0 0 auto;
    padding-bottom: 0.9rem;
  }

  .cart-header h2 {
    font-size: 1.55rem;
  }

  .cart-items {
    min-height: 0;
    overscroll-behavior: contain;
  }

  .cart-footer {
    flex: 0 0 auto;
    padding-top: 0.75rem;
  }

  .cart-note {
    margin-bottom: 0.35rem;
  }

  .cart-overlay {
    align-items: flex-end;
    justify-content: center;
  }

  .cart-overlay.open .cart-panel {
    transform: translateY(0);
  }

  .cart-item {
    grid-template-columns: 3.5rem minmax(0, 1fr);
    gap: 0.65rem;
  }

  .cart-item > img {
    width: 3.5rem;
    height: 4.5rem;
  }
}