.product-detail {
  display: grid;
  gap: 24px;
}

.product-hero {
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.product-hero-main {
  display: grid;
  gap: 12px;
  max-width: 560px;
}

.product-headline {
  margin: 0;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.product-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.product-buy {
  display: grid;
  gap: 10px;
}

.product-buy-options {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-buy-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.product-buy-status {
  font-size: 12px;
  color: var(--text-muted);
}

.product-hero-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 200px;
  gap: 12px;
}

.viewer-controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.showcase-character {
  position: relative;
  min-height: 260px;
  border-radius: var(--radius-lg);
  border: 1px solid color-mix(in srgb, var(--glass-border) 60%, transparent);
  background: color-mix(in srgb, var(--glass-bg-strong) 68%, transparent);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    inset 0 0 0 1px var(--border-inner),
    0 24px 44px rgba(2, 6, 12, 0.5),
    0 0 40px rgba(123, 220, 255, 0.1);
  display: grid;
  place-items: center;
  overflow: hidden;
  perspective: 900px;
  transform-style: preserve-3d;
  backdrop-filter: blur(var(--blur-lg)) saturate(170%);
  -webkit-backdrop-filter: blur(var(--blur-lg)) saturate(170%);
}

.model-host {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
}

.model-fallback {
  position: absolute;
  inset: 0;
  display: grid;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.model-fallback img,
.model-fallback {
  max-width: 100%;
  max-height: 100%;
  border-radius: 16px;
}

.character-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 80%, rgba(102, 211, 229, 0.25), transparent 55%);
  opacity: 0.5;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.feature-list {
  display: grid;
  gap: 10px;
}

.feature-list li {
  font-size: 12px;
  color: var(--text-soft);
}

.stability-item {
  display: grid;
  gap: 6px;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
}

.price-card {
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--glass-border) 70%, transparent);
  background: color-mix(in srgb, var(--glass-bg) 82%, transparent);
  box-shadow: inset 0 0 0 1px var(--border-inner), 0 14px 26px rgba(2, 6, 12, 0.45);
  display: grid;
  gap: 8px;
  backdrop-filter: blur(var(--blur-sm)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-sm)) saturate(150%);
}

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

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

.showcase-shot {
  position: relative;
  min-height: 180px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--glass-border) 70%, transparent);
  background: linear-gradient(160deg, color-mix(in srgb, var(--glass-bg-strong) 82%, transparent), color-mix(in srgb, var(--glass-bg) 72%, transparent));
  box-shadow: inset 0 0 0 1px var(--border-inner), 0 24px 40px rgba(2, 6, 12, 0.45);
  overflow: hidden;
  backdrop-filter: blur(var(--blur-sm)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-sm)) saturate(150%);
}

.showcase-shot img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.shot-overlay {
  position: absolute;
  left: 14px;
  bottom: 14px;
  display: grid;
  gap: 4px;
  z-index: 1;
}

.shot-label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.shot-meta {
  font-size: 11px;
  color: var(--text-muted);
}

.video-frame {
  position: relative;
  height: 240px;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--glass-border) 70%, transparent);
  background: linear-gradient(160deg, color-mix(in srgb, var(--glass-bg-strong) 82%, transparent), color-mix(in srgb, var(--glass-bg) 72%, transparent));
  overflow: hidden;
  box-shadow: inset 0 0 0 1px var(--border-inner), 0 22px 38px rgba(2, 6, 12, 0.48);
  backdrop-filter: blur(var(--blur-sm)) saturate(150%);
  -webkit-backdrop-filter: blur(var(--blur-sm)) saturate(150%);
}

.video-player {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: 16px;
  gap: 12px;
}

@media (min-width: 1180px) {
  .product-detail {
    gap: 28px;
  }

  .product-hero {
    padding: 32px;
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(360px, 420px);
    align-items: start;
    gap: 32px;
    flex-wrap: nowrap;
  }

  .product-hero h1 {
    margin: 0;
    font-size: clamp(36px, 3.1vw, 52px);
    line-height: 1.04;
    letter-spacing: -0.03em;
  }

  .product-hero-main {
    max-width: none;
    gap: 14px;
  }

  .product-headline {
    font-size: 15px;
  }

  .product-buy {
    gap: 12px;
    padding-top: 4px;
  }

  .product-buy-options {
    gap: 10px;
  }

  .product-hero-card {
    min-width: 0;
    align-items: stretch;
  }

  .showcase-character {
    min-height: 380px;
  }

  .viewer-controls {
    justify-content: flex-start;
  }

  .product-grid {
    gap: 20px;
  }

  .pricing-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

  .specs-grid,
  .sync-grid,
  .showcase-screen-grid {
    gap: 16px;
  }

  .showcase-shot {
    min-height: 220px;
  }

  .video-frame {
    height: 280px;
  }
}

@media (max-width: 980px) {
  .specs-grid,
  .sync-grid,
  .showcase-screen-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .specs-grid,
  .sync-grid,
  .showcase-screen-grid {
    grid-template-columns: 1fr;
  }
}

.config-status-row {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
  margin-bottom: 16px;
}

.config-status-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
}

.config-version-info {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-muted);
}

.config-update-badge {
  padding: 0;
  border-radius: 0;
  background: none;
  color: var(--accent);
  font-size: 11px;
  font-weight: 600;
  animation: pulse-attention 2s ease-in-out infinite;
}

.config-details-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.config-feature-modules {
  margin-bottom: 16px;
}

.config-feature-modules .feature-list {
  margin-top: 8px;
}

@keyframes pulse-attention {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* --- Accessibility: Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  .pulse-attention {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (min-width: 980px) {
  .config-details-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}