/* ---------- bottom-nav ---------- */
.bottom-nav {
  position: fixed;
  left: 50%;
  right: auto;
  bottom: calc(var(--space-4) + var(--safe-bottom));
  z-index: var(--z-bottom-nav);
  width: calc(100% - 24px);
  max-width: var(--container-max);
  margin-left: 0;
  margin-right: 0;
  display: flex;
  justify-content: space-around;
  align-items: stretch;
  min-height: var(--bottom-nav-height);
  padding: var(--space-2) var(--space-1);
  background: rgba(18, 18, 18, 0.82);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-lg);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.42);
  transform: translate3d(-50%, 0, 0);
  transition: transform var(--dur-slow) var(--ease-master);
  will-change: transform;
}

.bottom-nav--hidden {
  transform: translate3d(-50%, 120%, 0);
}

.bottom-nav__link {
  position: relative;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  min-height: 44px;
  min-width: 44px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  transition:
    color var(--dur-fast) var(--ease-master),
    transform var(--dur-base) var(--ease-master);
}

.bottom-nav__link svg {
  width: 22px;
  height: 22px;
  opacity: 0.85;
  transition: transform var(--dur-base) var(--ease-master), opacity var(--dur-base) var(--ease-master);
}

.bottom-nav__link--active,
.bottom-nav__link[aria-current="page"] {
  color: var(--accent-light);
  text-shadow: 0 0 24px rgba(212, 175, 55, 0.18);
}

.bottom-nav__link--active svg,
.bottom-nav__link[aria-current="page"] svg {
  opacity: 1;
  filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.25));
}

.bottom-nav__link--active::after,
.bottom-nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  bottom: 6px;
  width: 4px;
  height: 4px;
  border-radius: 999px;
  background: var(--accent-gold);
  box-shadow: 0 0 10px rgba(212, 175, 55, 0.55);
}

.bottom-nav__link:active {
  transform: scale(0.96);
}

.bottom-nav__link:active svg {
  transform: translateY(-1px);
}

.bottom-nav__link--cart .bottom-nav__link-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.bottom-nav__cart-badge {
  position: absolute;
  top: -6px;
  right: -2px;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: var(--radius-pill);
  background: var(--accent-gold);
  color: #0a0a0a;
  font-size: 10px;
  font-weight: var(--weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    opacity var(--dur-fast) var(--ease-master),
    transform var(--dur-fast) var(--ease-master);
}

.bottom-nav__cart-badge[data-count="0"] {
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
}

.bottom-nav__link--cart.bottom-nav__link--cart-empty {
  opacity: 0.72;
}

@media (hover: hover) {
  .bottom-nav__link:hover {
    color: var(--text-secondary);
  }
}

/* ---------- search-bar ---------- */
.search-bar {
  margin-bottom: var(--space-6);
}

.search-bar__field {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  height: 52px;
  padding: 0 var(--space-5);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  transition:
    border-color var(--dur-base) var(--ease-master),
    box-shadow var(--dur-base) var(--ease-master),
    transform var(--dur-fast) var(--ease-master);
}

.search-bar__field:focus-within {
  border-color: rgba(212, 175, 55, 0.45);
  box-shadow: var(--shadow-glow), 0 8px 24px rgba(0, 0, 0, 0.28);
  transform: translateY(-1px);
}

.search-bar__icon {
  flex-shrink: 0;
  opacity: 0.5;
}

.search-bar__input {
  flex: 1;
  min-width: 0;
  height: 100%;
  border: none;
  background: transparent;
}

.search-bar__input::placeholder {
  color: var(--text-muted);
}

.search-bar__clear {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  color: var(--text-muted);
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9);
  transition:
    opacity var(--dur-fast) var(--ease-master),
    transform var(--dur-fast) var(--ease-master);
}

.search-bar__clear.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: scale(1);
}

/* ---------- category pills row ---------- */
.category-scroll {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  padding-bottom: var(--space-2);
  margin: 0 calc(-1 * var(--space-4)) var(--space-6);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.category-scroll::-webkit-scrollbar {
  display: none;
}

.category-pill {
  flex-shrink: 0;
  scroll-snap-align: start;
  height: 44px;
  padding: 0 var(--space-5);
  border-radius: var(--radius-pill);
  font-size: var(--text-label);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border-soft);
  white-space: nowrap;
  transition:
    transform var(--dur-fast) var(--ease-master),
    color var(--dur-base) var(--ease-master),
    box-shadow var(--dur-base) var(--ease-master),
    border-color var(--dur-base) var(--ease-master),
    background var(--dur-base) var(--ease-master),
    filter var(--dur-base) var(--ease-master);
}

.category-pill:active {
  transform: scale(0.97);
}

.category-pill--active {
  color: var(--text-primary);
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-soft-gold));
  box-shadow: var(--shadow-glow);
}

@media (hover: hover) {
  .category-pill:hover:not(.category-pill--active) {
    border-color: rgba(255, 255, 255, 0.14);
    color: var(--text-primary);
  }
}

/* ---------- products feed (single column luxury) ---------- */
.products-feed.product-grid,
.product-grid {
  display: flex;
  flex-direction: column;
  gap: var(--space-8);
  width: 100%;
}

.product-grid--empty {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--text-muted);
  font-size: var(--text-body);
  white-space: pre-line;
}

/* ---------- product-card (Phase 4) ---------- */
.product-card {
  position: relative;
  width: 100%;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  border-radius: 28px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  transition:
    min-height var(--dur-slow) var(--ease-master),
    box-shadow var(--dur-base) var(--ease-master),
    transform var(--dur-base) var(--ease-master),
    border-color var(--dur-base) var(--ease-master);
  transform: translateZ(0);
  will-change: transform;
  contain: layout;
}

.product-card--expansion-tick {
  animation: card-expansion-tick 400ms var(--ease-master);
}

@keyframes card-expansion-tick {
  0% {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }
  45% {
    box-shadow: 0 26px 52px rgba(0, 0, 0, 0.42);
  }
  100% {
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
  }
}

.product-card--expanded {
  min-height: 620px;
  transform: translate3d(0, -4px, 0);
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45);
  border-color: rgba(212, 175, 55, 0.22);
}

.product-card--expanded.product-card--featured {
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.45), 0 0 52px rgba(212, 175, 55, 0.14);
}

.product-card--expanded.product-card--bundle {
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.48), 0 0 56px rgba(212, 175, 55, 0.12);
}

.product-card--featured {
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.38), 0 0 42px rgba(212, 175, 55, 0.12);
}

.product-card--bundle {
  min-height: 440px;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42), 0 0 48px rgba(212, 175, 55, 0.1);
}

.product-card__ribbon {
  position: absolute;
  top: var(--space-4);
  left: var(--space-4);
  z-index: var(--z-card-ribbon);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: 9px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #0a0a0a;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-soft-gold));
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-glow);
  pointer-events: none;
}

/* Image ~62% — wrap enables swipe + glow layering */
.card-image-wrap {
  flex: 0 0 62%;
  position: relative;
  min-height: 240px;
  max-height: 280px;
  display: flex;
  flex-direction: column;
}

.product-image {
  flex: 1;
  min-height: 0;
  max-height: 280px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-6) var(--space-5);
  background: linear-gradient(165deg, rgba(32, 32, 32, 0.9) 0%, rgba(14, 14, 14, 0.98) 100%);
}

.product-image::before {
  content: "";
  position: absolute;
  inset: -25%;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-slow) var(--ease-master);
  background: radial-gradient(ellipse 70% 55% at 50% 35%, rgba(120, 160, 190, 0.18), transparent 72%);
}

.product-card--expanded .product-image::before {
  opacity: 1;
}

.product-card--expanded[data-category="Hookahs"] .product-image::before,
.product-card--expanded[data-category="Bundles"] .product-image::before,
.product-card--expanded[data-category="Accessories"] .product-image::before,
.product-card--expanded[data-featured="true"] .product-image::before {
  background: radial-gradient(ellipse 70% 55% at 50% 32%, rgba(212, 175, 55, 0.2), transparent 72%);
}

.product-card--expanded[data-category="Charcoal"] .product-image::before,
.product-card--expanded[data-category="Vapes"] .product-image::before {
  background: radial-gradient(ellipse 70% 55% at 50% 35%, rgba(130, 150, 175, 0.16), transparent 72%);
}

.product-image__inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-slow) var(--ease-master);
  transform: translate3d(0, 0, 0) scale(1);
}

.product-card.is-pressed .product-image__inner {
  transform: translate3d(0, 0, 0) scale(1.03);
}

.product-card--expanded .product-image__inner {
  transform: translate3d(0, -10px, 0) scale(1.05);
}

.product-image__img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 16px 28px rgba(0, 0, 0, 0.45));
  transition:
    filter var(--dur-slow) var(--ease-master),
    opacity var(--dur-base) var(--ease-master);
}

.product-card.is-pressed .product-image__img {
  filter: drop-shadow(0 20px 36px rgba(0, 0, 0, 0.55));
}

.product-card--expanded .product-image__img {
  filter: drop-shadow(0 22px 40px rgba(0, 0, 0, 0.58)) brightness(1.03);
}

.product-image__img.img--reveal-pending {
  opacity: 0.28;
  transition: opacity 420ms var(--ease-master);
}

.product-image__img.img--revealed {
  opacity: 1;
}

.cart-line__img.img--reveal-pending {
  opacity: 0.35;
  transition: opacity 380ms var(--ease-master);
}

.cart-line__img.img--revealed {
  opacity: 1;
}

.product-image__placeholder {
  width: 100%;
  min-height: 200px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--bg-elevated), #0d0d0d 55%, var(--bg-secondary));
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--border-soft);
}

.product-image__mark {
  font-family: var(--font-heading);
  font-size: 56px;
  font-weight: var(--weight-bold);
  color: rgba(255, 255, 255, 0.06);
  user-select: none;
}

.product-image__gloss {
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-radius: var(--radius-md);
  overflow: hidden;
  opacity: 0.22;
}

.product-image__gloss::before {
  content: "";
  position: absolute;
  top: -40%;
  left: -30%;
  width: 55%;
  height: 180%;
  background: linear-gradient(
    125deg,
    transparent 0%,
    rgba(255, 255, 255, 0.07) 45%,
    rgba(255, 255, 255, 0.18) 50%,
    rgba(255, 255, 255, 0.06) 58%,
    transparent 100%
  );
  transform: translate3d(-60%, 0, 0) rotate(12deg);
  transition: transform 0s;
}

.product-card.is-pressed .product-image__gloss::before {
  animation: product-gloss-sweep var(--dur-slow) var(--ease-master);
}

/* Meta */
.product-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: var(--space-5) var(--space-5) var(--space-6);
  position: relative;
  background: linear-gradient(180deg, rgba(18, 18, 18, 0.55) 0%, rgba(10, 10, 10, 0.92) 100%);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.product-meta__category {
  margin: 0 0 var(--space-2);
  font-size: 10px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-soft-gold);
  opacity: 0.9;
}

.product-meta__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: clamp(18px, 4.8vw, 22px);
  font-weight: var(--weight-bold);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

.product-meta__desc {
  margin: 0 0 var(--space-5);
  font-size: 14px;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.7);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-meta__footer {
  margin-top: auto;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: 52px;
}

.product-meta__price {
  font-size: 22px;
  font-weight: var(--weight-bold);
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* FAB + morph to qty */
.product-card__cta-slot {
  position: relative;
  flex-shrink: 0;
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  transition: width var(--dur-slow) var(--ease-master);
}

.product-card__cta-slot--has-qty {
  width: 132px;
}

.product-card__fab-add {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-soft-gold));
  color: #ffffff;
  border: none;
  box-shadow: var(--shadow-glow), var(--shadow-soft);
  transition:
    transform var(--dur-fast) var(--ease-master),
    box-shadow var(--dur-base) var(--ease-master),
    opacity var(--dur-base) var(--ease-master);
  transform: translateZ(0);
}

.product-card__fab-add:active {
  transform: scale(0.96) translateZ(0);
}

.product-card__fab-add--pulse {
  animation: product-fab-pulse var(--dur-slow) var(--ease-master);
}

.product-card__cta-slot--pulse {
  border-radius: var(--radius-pill);
  animation: product-fab-pulse var(--dur-slow) var(--ease-master);
}

.product-card__fab-icon {
  display: block;
}

.product-card__qty-strip {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  height: 52px;
  padding: 0 var(--space-2);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
  transform: translateZ(0);
}

.product-card__qty-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
  background: transparent;
  transition: transform var(--dur-fast) var(--ease-master);
}

.product-card__qty-btn:active {
  transform: scale(0.96);
}

.product-card__qty-strip--pulse {
  animation: qty-strip-pulse 280ms var(--ease-master);
}

@keyframes qty-strip-pulse {
  0% {
    transform: scale(1);
    box-shadow: var(--shadow-soft);
  }
  40% {
    transform: scale(1.02);
    box-shadow: 0 0 0 1px rgba(212, 175, 55, 0.25), var(--shadow-soft);
  }
  100% {
    transform: scale(1);
    box-shadow: var(--shadow-soft);
  }
}

.product-card__qty-val {
  min-width: 28px;
  text-align: center;
  font-weight: var(--weight-bold);
  font-size: var(--text-body);
}

/* Expanded panel (Phase 6) */
.expanded-content.expanded-panel {
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transform: translate3d(0, -8px, 0);
  transition:
    max-height var(--dur-slow) var(--ease-master),
    opacity var(--dur-base) var(--ease-master),
    transform var(--dur-slow) var(--ease-master);
  will-change: max-height, opacity, transform;
}

.product-card--expanded .expanded-content.expanded-panel {
  max-height: 720px;
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.expanded-content__inner {
  padding: 0 var(--space-5) var(--space-6);
}

.expanded-panel-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.feature-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.feature-chip {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  font-size: 11px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  color: rgba(255, 255, 255, 0.88);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translate3d(0, 6px, 0);
}

.product-card:not(.product-card--expanded) .feature-chip {
  animation: none;
}

.product-card--expanded .feature-chip {
  animation: feature-chip-in 520ms var(--ease-master) forwards;
}

.feature-chip:nth-child(1) {
  animation-delay: 0ms;
}
.feature-chip:nth-child(2) {
  animation-delay: 45ms;
}
.feature-chip:nth-child(3) {
  animation-delay: 90ms;
}
.feature-chip:nth-child(4) {
  animation-delay: 135ms;
}
.feature-chip:nth-child(5) {
  animation-delay: 180ms;
}

@keyframes feature-chip-in {
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.product-details__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.72);
  display: -webkit-box;
  -webkit-line-clamp: 5;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.spec-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3) var(--space-4);
  padding: var(--space-3) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.spec-grid__item {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.spec-grid__label {
  font-size: 10px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.spec-grid__value {
  font-size: 13px;
  font-weight: var(--weight-medium);
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.35;
}

.expanded-actions {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  padding-top: var(--space-2);
  margin-top: auto;
}

.product-card--expanded .product-meta__footer .product-card__cta-slot {
  visibility: hidden;
  pointer-events: none;
  opacity: 0;
  width: 52px;
  flex-shrink: 0;
}

.product-card--expanded .product-meta__footer {
  position: relative;
}

/* Skeleton (future loading) */
.product-card-skeleton {
  min-height: 420px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.product-card-skeleton__shine {
  height: 62%;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.02) 0%,
    rgba(255, 255, 255, 0.06) 50%,
    rgba(255, 255, 255, 0.02) 100%
  );
  background-size: 200% 100%;
  animation: product-skeleton-shimmer 1.4s var(--ease-master) infinite;
}

@media (hover: hover) {
  .product-card:hover {
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42);
  }

  .product-card--featured:hover {
    box-shadow: 0 22px 48px rgba(0, 0, 0, 0.42), 0 0 48px rgba(212, 175, 55, 0.16);
  }
}

@media (prefers-reduced-motion: reduce) {
  .product-card,
  .product-card--expanded .expanded-content.expanded-panel,
  .product-image__inner,
  .product-image__img,
  .product-image::before {
    transition-duration: 0.01ms !important;
  }

  .feature-chip,
  .product-card--expansion-tick,
  .product-card__qty-strip--pulse {
    animation: none !important;
  }
}

/* ---------- quantity-selector ---------- */
.quantity-selector {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  border-radius: var(--radius-pill);
  border: 1px solid var(--border-soft);
  background: var(--bg-secondary);
  padding: var(--space-1);
}

.quantity-selector__btn {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-primary);
  transition: transform var(--dur-fast) var(--ease-master);
}

.quantity-selector__btn:active {
  transform: scale(0.94);
}

.quantity-selector__value {
  min-width: var(--space-8);
  text-align: center;
  font-weight: var(--weight-semibold);
  font-size: var(--text-body);
}

/* ---------- cart overlay + sheet (Phase 5) ---------- */

.cart-overlay {
  position: fixed;
  inset: 0;
  z-index: var(--z-cart-overlay);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: stretch;
  pointer-events: none;
}

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

.cart-overlay__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition:
    opacity var(--cart-sheet-dur) var(--cart-sheet-ease),
    visibility 0s linear var(--cart-sheet-dur);
  will-change: opacity;
}

.cart-overlay.is-open .cart-overlay__backdrop {
  opacity: 1;
  visibility: visible;
  transition:
    opacity var(--cart-sheet-dur) var(--cart-sheet-ease),
    visibility 0s linear 0s;
}

.cart-sheet {
  position: relative;
  z-index: var(--z-cart-sheet);
  width: 100%;
  max-height: min(92svh, 720px);
  border-radius: var(--cart-radius-top) var(--cart-radius-top) 0 0;
  background: var(--glass-strong);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-bottom: none;
  box-shadow: 0 -8px 48px rgba(0, 0, 0, 0.4);
  display: flex;
  flex-direction: column;
  padding-bottom: var(--safe-bottom);
  will-change: transform, opacity;
}

/* Closed: fully off-screen + inert (no stray shadow, no focus) */
.cart-overlay:not(.is-open) .cart-sheet {
  transform: translate3d(0, calc(100% + var(--space-12)), 0);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    transform var(--cart-sheet-dur) var(--cart-sheet-ease),
    opacity var(--dur-base) var(--ease-master),
    visibility 0s linear var(--cart-sheet-dur);
}

.cart-overlay.is-open .cart-sheet {
  transform: translate3d(0, 0, 0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition:
    transform var(--cart-sheet-dur) var(--cart-sheet-ease),
    opacity var(--dur-base) var(--ease-master),
    visibility 0s linear 0s;
}

@media (prefers-reduced-motion: reduce) {
  .cart-overlay:not(.is-open) .cart-sheet,
  .cart-overlay.is-open .cart-sheet {
    transition: none;
  }

  .cart-overlay__backdrop,
  .cart-overlay.is-open .cart-overlay__backdrop {
    transition: none;
  }
}

.cart-handle {
  width: 48px;
  height: 5px;
  margin: var(--space-3) auto var(--space-1);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.22);
  flex-shrink: 0;
  touch-action: none;
}

.cart-sheet__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: 0 var(--space-5) var(--space-4);
  border-bottom: 1px solid var(--border-soft);
}

.cart-sheet__header-text {
  min-width: 0;
}

.cart-sheet__title {
  font-family: var(--font-heading);
  font-size: var(--text-section);
  font-weight: var(--weight-semibold);
  margin: 0 0 var(--space-1);
  letter-spacing: -0.02em;
}

.cart-sheet__count-line {
  margin: 0;
  font-size: var(--text-label);
  color: var(--text-muted);
}

.cart-sheet__close {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  transition:
    transform var(--dur-fast) var(--ease-master),
    background var(--dur-base) var(--ease-master);
}

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

.cart-items {
  flex: 1;
  min-height: min(40svh, 320px);
  overflow-y: auto;
  padding: var(--space-4) var(--space-5);
  -webkit-overflow-scrolling: touch;
}

.cart-sheet__dock {
  flex-shrink: 0;
  padding: var(--space-4) var(--space-5) var(--space-5);
  border-top: 1px solid var(--border-soft);
  background: linear-gradient(180deg, rgba(12, 12, 12, 0.2) 0%, rgba(8, 8, 8, 0.65) 100%);
  display: grid;
  gap: var(--space-4);
}

.cart-sheet__dock--empty {
  display: none;
}

.cart-summary {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.cart-summary__row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: var(--text-label);
  color: var(--text-muted);
  margin-bottom: var(--space-3);
}

.cart-summary__value {
  font-weight: var(--weight-semibold);
  color: var(--text-secondary);
}

.cart-summary__total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-4);
}

.cart-summary__total-label {
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.cart-summary__total-amount {
  font-family: var(--font-heading);
  font-size: clamp(22px, 5vw, 26px);
  font-weight: var(--weight-bold);
  color: var(--accent-light);
  letter-spacing: -0.02em;
}

.checkout-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.checkout-btn {
  min-height: 52px;
  border-radius: var(--radius-pill);
  font-weight: var(--weight-bold);
  font-size: var(--text-body);
  letter-spacing: 0.02em;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--dur-fast) var(--ease-master), opacity var(--dur-fast) var(--ease-master);
}

.checkout-btn:active {
  transform: scale(0.98);
}

.checkout-btn--whatsapp {
  background: linear-gradient(135deg, #1c4d3a, #0f2d24);
  color: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(80, 200, 140, 0.25);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.checkout-btn--telegram {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-primary);
  border: 1px solid rgba(110, 168, 220, 0.35);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.checkout-btn--ghost {
  min-height: 48px;
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-soft);
  font-weight: var(--weight-semibold);
  font-size: var(--text-label);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* Cart line cards */
.cart-line-card {
  display: grid;
  grid-template-columns: clamp(72px, 18vw, 84px) 1fr auto;
  grid-template-rows: auto auto;
  gap: var(--space-3) var(--space-4);
  align-items: start;
  padding: var(--space-4);
  margin-bottom: var(--space-3);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.2);
}

.cart-line-card:last-child {
  margin-bottom: 0;
}

.cart-line__thumb {
  grid-column: 1;
  grid-row: 1 / span 2;
  width: clamp(72px, 18vw, 84px);
  height: clamp(72px, 18vw, 84px);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(0, 0, 0, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
}

.cart-line__img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.cart-line__placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: 22px;
  color: rgba(255, 255, 255, 0.2);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(0, 0, 0, 0.4));
}

.cart-line__info {
  grid-column: 2;
  grid-row: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 0;
}

.cart-line__title {
  font-family: var(--font-heading);
  font-size: var(--text-body);
  font-weight: var(--weight-semibold);
  margin: 0;
  line-height: 1.25;
}

.cart-line__category {
  font-size: 10px;
  font-weight: var(--weight-bold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(212, 175, 55, 0.75);
}

.cart-line__feature {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cart-line__price-col {
  grid-column: 3;
  grid-row: 1;
  align-self: start;
  text-align: right;
  min-width: 72px;
}

.cart-line__controls {
  grid-column: 2 / span 2;
  grid-row: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.cart-line__qty.quantity-selector {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.cart-line__remove {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.04);
  transition:
    color var(--dur-fast) var(--ease-master),
    transform var(--dur-fast) var(--ease-master);
}

.cart-line__remove:active {
  transform: scale(0.94);
  color: rgba(255, 255, 255, 0.75);
}

.cart-line__line-total {
  display: block;
  font-weight: var(--weight-bold);
  font-size: var(--text-body);
  color: var(--accent-light);
}

.cart-line__unit-note {
  display: block;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Empty cart */
.cart-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--space-10) var(--space-5) var(--space-8);
  max-width: 280px;
  margin: 0 auto;
}

.cart-empty__icon {
  width: 56px;
  height: 56px;
  margin-bottom: var(--space-5);
  border-radius: var(--radius-pill);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.35);
}

.cart-empty__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-section);
  font-weight: var(--weight-semibold);
  color: var(--text-primary);
}

.cart-empty__sub {
  margin: 0 0 var(--space-6);
  font-size: var(--text-body);
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.55);
}

.cart-empty__browse {
  min-height: 48px;
  padding: 0 var(--space-8);
  border-radius: var(--radius-pill);
  font-weight: var(--weight-bold);
  font-size: var(--text-label);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-soft-gold));
  color: #0a0a0a;
}

.cart-empty__browse:active {
  transform: scale(0.98);
}

/* ---------- floating-action-button ---------- */
.floating-action-button {
  position: fixed;
  right: var(--space-4);
  bottom: calc(var(--toast-stack-bottom) + var(--safe-bottom) + var(--space-4));
  z-index: var(--z-fab);
  width: 56px;
  height: 56px;
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-soft-gold));
  color: #0a0a0a;
  box-shadow: var(--shadow-glow), var(--shadow-soft);
  transition:
    transform var(--dur-base) var(--ease-master),
    opacity var(--dur-base) var(--ease-master);
}

.floating-action-button:active {
  transform: scale(0.96);
}

.floating-action-button--hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.9) translate3d(0, 12px, 0);
}

/* ---------- toast-notification ---------- */
.toast-container {
  position: fixed;
  bottom: calc(var(--toast-stack-bottom) + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  width: min(calc(100% - var(--space-8)), var(--container-max));
  display: flex;
  flex-direction: column-reverse;
  gap: var(--space-2);
  align-items: stretch;
  pointer-events: none;
}

.toast-notification {
  pointer-events: none;
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  background: rgba(28, 28, 28, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  font-size: 14px;
  font-weight: var(--weight-semibold);
  text-align: center;
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transform: translate3d(0, 20px, 0) scale(0.98);
  transition:
    opacity var(--dur-base) var(--ease-master),
    transform var(--dur-base) var(--ease-master);
}

.toast-notification.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0) scale(1);
}

/* ---------- contact footer ---------- */
.contact-section {
  padding-bottom: var(--space-16);
}

.contact-section .heading-section {
  margin-bottom: var(--space-8);
}

.contact-section__grid {
  display: grid;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .contact-section__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6) var(--space-8);
    align-items: start;
  }
}

.contact-block .text-label {
  margin-bottom: var(--space-3);
}

.contact-section__address {
  margin: 0;
  font-style: normal;
  line-height: 1.55;
}

.contact-section__hours {
  margin: 0;
  line-height: 1.55;
}

.contact-section__phone {
  margin: 0 0 var(--space-4);
}

.contact-section__tel {
  font-size: clamp(18px, 4.5vw, 22px);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.02em;
  color: var(--accent-light);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-master);
}

.contact-section__tel:hover {
  color: var(--accent-gold);
}

.contact-section__messengers {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.contact-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  min-height: 34px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: var(--weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-decoration: none;
  border: 1px solid var(--border-soft);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text-secondary);
  transition:
    background var(--dur-base) var(--ease-master),
    color var(--dur-base) var(--ease-master),
    border-color var(--dur-base) var(--ease-master),
    transform var(--dur-fast) var(--ease-master);
}

.contact-chip__icon {
  flex-shrink: 0;
  opacity: 0.9;
}

.contact-chip:active {
  transform: scale(0.97);
}

@media (hover: hover) {
  .contact-chip--whatsapp:hover {
    background: rgba(37, 211, 102, 0.12);
    border-color: rgba(37, 211, 102, 0.45);
    color: #b4f5cf;
  }

  .contact-chip--telegram:hover {
    background: rgba(42, 171, 238, 0.12);
    border-color: rgba(42, 171, 238, 0.45);
    color: #b8e6ff;
  }
}