/* ═══════════════════════════════════════
   Tech Warrior — Single Product Page
   ═══════════════════════════════════════ */

.single-product-layout {
  display: grid;
  grid-template-columns: 7fr 5fr;
  gap: var(--space-2xl);
  max-width: var(--container-max);
  margin: var(--space-2xl) auto;
  padding: 0 var(--container-padding);
}

/* Gallery */
.product-gallery {
  position: relative;
  overflow: hidden;
}
.product-gallery__hud {
  position: absolute;
  top: 0;
  left: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--tertiary);
  padding: 12px;
  letter-spacing: 0.1em;
  z-index: 10;
}
.product-gallery__main {
  width: 100%;
  background: var(--surface-container);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.product-gallery__main img {
  width: 100%;
  object-fit: contain;
  transition: transform 0.5s;
}
.product-gallery__thumbs {
  display: flex;
  gap: 8px;
  margin-top: var(--space-md);
  overflow-x: auto;
  padding-bottom: 4px;
}
.product-gallery__thumbs img {
  width: 80px;
  height: 80px;
  object-fit: cover;
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius);
  cursor: pointer;
}
.product-gallery__thumbs img:hover {
  border-color: var(--tertiary);
}

/* Info Section */
.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

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

.product-title {
  font-family: var(--font-display);
  font-weight: 800;
  text-transform: uppercase;
  font-size: var(--text-headline-md);
  letter-spacing: -0.02em;
  color: var(--on-surface);
}

.product-subtitle {
  font-family: var(--font-display);
  font-weight: 800;
  color: var(--tertiary);
  font-size: var(--text-headline-md);
  margin-top: -16px;
}

.product-description-quote {
  border-left: 3px solid var(--tertiary);
  padding-left: var(--space-md);
  color: var(--on-surface-variant);
  font-size: var(--text-body-md);
}

.product-price {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--text-price);
  color: var(--tertiary);
  margin: var(--space-sm) 0;
}
.product-price__currency {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--on-surface-variant);
}

/* Tech Specs Table */
.tech-specs-table {
  width: 100%;
  border-collapse: collapse;
}
.tech-specs-table tr:nth-child(odd) {
  background: rgba(255, 255, 255, 0.05);
}
.tech-specs-table td {
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: 14px;
  border-bottom: 1px solid var(--outline-variant);
}
.tech-specs-table td:first-child {
  color: var(--on-surface-variant);
}
.tech-specs-table td:last-child {
  text-align: right;
  color: var(--on-surface);
  font-weight: 700;
}

/* CTA */
.product-cta {
  width: 100%;
  font-size: 16px;
  padding: 18px;
  letter-spacing: 0.05em;
  margin-top: var(--space-md);
}

.product-warranty-badge {
  font-family: var(--font-mono);
  font-size: 12px;
  text-align: center;
  color: var(--on-surface-variant);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: var(--space-sm);
}

/* Upgrades */
.system-upgrades {
  margin-top: var(--space-4xl);
  padding-top: var(--space-xl);
  border-top: 1px solid var(--outline-variant);
}
.system-upgrades__title {
  font-family: var(--font-mono);
  font-weight: 700;
  text-transform: uppercase;
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: var(--space-lg);
}
.upgrades-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
}
.upgrade-card {
  padding: var(--space-sm);
  text-align: center;
}
.upgrade-card__title {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  margin: var(--space-sm) 0;
}
.upgrade-card__price {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--tertiary);
}

/* Responsive */
@media (max-width: 768px) {
  .single-product-layout {
    grid-template-columns: 1fr;
  }
  .upgrades-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}