.catalog-hub {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-lg);
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: transform var(--transition-spring);
}

a.product-card:hover,
a.product-card:focus-visible {
  transform: translateY(-4px);
}

.product-card__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-border-strong);
}

.product-card__body {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md);
  flex: 1;
}

.product-card__sku {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.product-card__stock {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-accent);
}

.product-card__stock--out {
  color: #b42318;
}

.fuel-offer {
  display: grid;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 2px solid var(--color-border-strong);
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.fuel-offer__grades {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.fuel-offer__grade {
  padding: var(--space-xs) var(--space-md);
  border: 2px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

@media (max-width: 1023px) {
  .catalog-hub,
  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  .catalog-hub,
  .product-grid {
    grid-template-columns: 1fr;
  }
}