/* ==========================================
   Deck Carousel - Opified Parcours
   ========================================== */

.deck-carousel {
  position: relative;
  margin-top: 2.5rem;
}

.deck-viewport {
  position: relative;
  height: 420px;
}

.deck-card {
  position: absolute;
  top: 0;
  left: 50%;
  width: min(560px, 88vw);
  height: 380px;
  padding: 24px;
  border-radius: 24px;
  background: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  box-shadow: 0 18px 50px rgba(15, 23, 42, 0.14);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform-style: preserve-3d;
  transition: transform 450ms cubic-bezier(0.22, 1, 0.36, 1),
              opacity 450ms cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

.deck-card--left {
  transform: translateX(-50%) translateX(-220px) rotate(-8deg) scale(0.92);
  opacity: 0.7;
  z-index: 1;
}

.deck-card--right {
  transform: translateX(-50%) translateX(220px) rotate(8deg) scale(0.92);
  opacity: 0.7;
  z-index: 1;
}

.deck-viewport.deck-dir-prev .deck-card--left {
  transform: translateX(-50%) translateX(-220px) rotate(8deg) scale(0.92);
}

.deck-viewport.deck-dir-prev .deck-card--right {
  transform: translateX(-50%) translateX(220px) rotate(-8deg) scale(0.92);
}

.deck-card--center {
  transform: translateX(-50%) translateX(0) rotate(0deg) scale(1);
  opacity: 1;
  z-index: 2;
}

.deck-card.is-active {
  box-shadow: 0 26px 70px rgba(15, 23, 42, 0.18);
  animation: deckActive 450ms cubic-bezier(0.22, 1, 0.36, 1);
}

.deck-step {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  font-weight: 800;
  color: var(--text-secondary);
}

.deck-card__content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.deck-card__title {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-main);
}

.deck-card__subtitle {
  font-size: 15px;
  line-height: 1.5;
  color: var(--text-secondary);
}

.deck-visual {
  position: relative;
  border-radius: 20px;
  height: 160px;
  padding: 18px;
  overflow: hidden;
  border: 1px solid rgba(15, 23, 42, 0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}

.dark .deck-visual {
  border-color: rgba(255, 255, 255, 0.08);
}

.deck-visual__grid {
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(15, 23, 42, 0.05) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(15, 23, 42, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  opacity: 0.4;
}

.dark .deck-visual__grid {
  background-image: linear-gradient(rgba(255, 255, 255, 0.08) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px);
  opacity: 0.25;
}

.deck-visual__icon {
  position: relative;
  width: 64px;
  height: 64px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(15, 23, 42, 0.08);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.15);
}

.dark .deck-visual__icon {
  background: rgba(2, 44, 34, 0.7);
  border-color: rgba(255, 255, 255, 0.1);
}

.deck-icon {
  width: 34px;
  height: 34px;
  color: #0f172a;
}

.dark .deck-icon {
  color: #d1fae5;
}

.deck-visual--brief {
  background: linear-gradient(135deg, #ecfdf3 0%, #f8fafc 100%);
}

.deck-visual--formulation {
  background: linear-gradient(135deg, #fff7ed 0%, #f8fafc 100%);
}

.deck-visual--claims {
  background: linear-gradient(135deg, #eff6ff 0%, #f8fafc 100%);
}

.deck-visual--packaging {
  background: linear-gradient(135deg, #f0fdf4 0%, #f8fafc 100%);
}

.deck-visual--veille {
  background: linear-gradient(135deg, #f5f3ff 0%, #f8fafc 100%);
}

.dark .deck-visual--brief,
.dark .deck-visual--formulation,
.dark .deck-visual--claims,
.dark .deck-visual--packaging,
.dark .deck-visual--veille {
  background: linear-gradient(135deg, rgba(2, 44, 34, 0.8), rgba(2, 44, 34, 0.4));
}

.deck-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.deck-tab {
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.7);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-secondary);
  transition: all 200ms ease;
}

.dark .deck-tab {
  background: rgba(2, 44, 34, 0.5);
}

.deck-tab.is-active {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
  background: rgba(5, 150, 105, 0.08);
  font-weight: 800;
}

.deck-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 58px;
  height: 58px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: rgba(255, 255, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.15);
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.dark .deck-nav {
  background: rgba(2, 44, 34, 0.9);
}

.deck-nav:hover {
  transform: translateY(-50%) scale(1.03);
  box-shadow: 0 16px 40px rgba(15, 23, 42, 0.2);
}

.deck-nav--prev {
  left: -12px;
}

.deck-nav--next {
  right: -12px;
}

.deck-details {
  margin-top: 28px;
}

.deck-indicators {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.deck-indicator {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  border: 1px solid rgba(15, 23, 42, 0.06);
  font-size: 13px;
  font-weight: 700;
  color: var(--text-main);
}

.dark .deck-indicator {
  background: rgba(2, 44, 34, 0.6);
  border-color: rgba(255, 255, 255, 0.08);
  color: #e2e8f0;
}

.deck-indicator__dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
}

.deck-indicator--good .deck-indicator__dot {
  background: #16a34a;
}

.deck-indicator--warn .deck-indicator__dot {
  background: #f59e0b;
}

.deck-indicator--bad .deck-indicator__dot {
  background: #ef4444;
}

.deck-fade {
  animation: deckFade 240ms ease;
}

.deck-dots {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}

@media (min-width: 768px) {
  .deck-dots {
    display: none;
  }
}

.deck-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: transparent;
}

.deck-dot.is-active {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

@keyframes deckFade {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes deckActive {
  from {
    opacity: 0;
    transform: translateX(-50%) translateX(calc(var(--deck-dir, 1) * 20px)) rotate(0deg) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateX(0) rotate(0deg) scale(1);
  }
}

@media (max-width: 1024px) {
  .deck-card--left {
    transform: translateX(-50%) translateX(-170px) rotate(-7deg) scale(0.92);
  }

  .deck-card--right {
    transform: translateX(-50%) translateX(170px) rotate(7deg) scale(0.92);
  }

  .deck-viewport.deck-dir-prev .deck-card--left {
    transform: translateX(-50%) translateX(-170px) rotate(7deg) scale(0.92);
  }

  .deck-viewport.deck-dir-prev .deck-card--right {
    transform: translateX(-50%) translateX(170px) rotate(-7deg) scale(0.92);
  }

  .deck-nav--prev {
    left: 4px;
  }

  .deck-nav--next {
    right: 4px;
  }
}

@media (max-width: 767px) {
  .deck-viewport {
    height: 380px;
  }

  .deck-card {
    width: min(520px, 92vw);
    height: 340px;
  }

  .deck-card--left,
  .deck-card--right {
    opacity: 0;
    pointer-events: none;
    transform: translateX(-50%) scale(0.9);
  }

  .deck-nav {
    width: 50px;
    height: 50px;
  }

  .deck-indicators {
    grid-template-columns: 1fr;
  }

  .deck-tabs {
    gap: 8px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .deck-card,
  .deck-nav,
  .deck-fade {
    transition: none !important;
    animation: none !important;
  }
}