/* ============================================================
   CIRCONIS — Product Page Styles
   css/product.css
   ============================================================ */


/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
  background: var(--color-bg-dark);
  border-bottom: 1px solid var(--color-border-dark);
  padding-block: var(--sp-4);
  padding-top: calc(var(--nav-height) + var(--sp-4));
}

.breadcrumb__list {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  flex-wrap: wrap;
}

.breadcrumb__link {
  font-size: var(--text-sm);
  color: var(--color-muted);
  transition: color var(--dur-fast) var(--ease-out);
}

.breadcrumb__link:hover {
  color: var(--color-primary);
}

.breadcrumb__sep {
  color: var(--color-muted);
  font-size: var(--text-sm);
  opacity: 0.4;
}

.breadcrumb__current {
  font-size: var(--text-sm);
  color: var(--color-bg);
  font-weight: 500;
}


/* ============================================================
   PRODUCT HERO
   ============================================================ */
.product-hero {
  background: var(--color-bg-dark);
  padding-block: clamp(var(--sp-12), 6vw, var(--sp-20));
}

.product-hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(var(--sp-10), 6vw, var(--sp-20));
  align-items: start;
}


/* --- Image column --- */
.product-hero__image-col {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  position: sticky;
  top: calc(var(--nav-height) + var(--sp-6));
}

.product-hero__image-wrap {
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-xl);
  overflow: hidden;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-10);
  transition: border-color var(--dur-mid) var(--ease-out);
}

.product-hero__image-wrap:hover {
  border-color: rgba(220, 169, 80, 0.3);
}

.product-hero__image {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform var(--dur-slow) var(--ease-out);
}

.product-hero__image-wrap:hover .product-hero__image {
  transform: scale(1.04);
}

.product-hero__sku-row {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  justify-content: center;
}

.product-hero__sku {
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  color: var(--color-muted);
}


/* --- Details column --- */
.product-hero__details {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.product-hero__meta {
  display: flex;
  gap: var(--sp-2);
  flex-wrap: wrap;
  margin-bottom: var(--sp-5);
}

.product-hero__name {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  color: var(--color-bg);
  line-height: 1.0;
  margin-bottom: var(--sp-5);
}

.product-hero__intro {
  font-size: var(--text-md);
  color: var(--color-muted);
  line-height: 1.7;
}


/* --- Features list --- */
.product-features {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}

.product-features__item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: rgba(231, 219, 199, 0.75);
  line-height: 1.55;
}

.product-features__icon {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: rgba(220, 169, 80, 0.12);
  border: 1px solid rgba(220, 169, 80, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-top: 1px;
}


/* --- Specs --- */
.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.product-spec {
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
  padding: var(--sp-4);
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
}

.product-spec__label {
  color: var(--color-muted);
  font-size: 10px;
}

.product-spec__value {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-bg);
}


/* --- Purchase block --- */
.product-purchase {
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.product-purchase__price-wrap {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
}

.product-purchase__price {
  font-family: var(--font-heading);
  font-size: clamp(var(--text-4xl), 5vw, var(--text-5xl));
  letter-spacing: var(--ls-heading);
  color: var(--color-primary);
  line-height: 1;
}

.product-purchase__vat {
  font-size: var(--text-sm);
  color: var(--color-muted);
  font-weight: 500;
}

.product-purchase__buy {
  width: 100%;
  justify-content: center;
  font-size: var(--text-xl);
  padding-block: var(--sp-5);
  border-radius: var(--radius-md);
}

.product-purchase__notes {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  padding: var(--sp-5);
  background: rgba(220, 169, 80, 0.04);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-md);
}

.product-purchase__note {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-size: var(--text-sm);
  color: var(--color-muted);
}

.product-purchase__note svg {
  color: var(--color-primary);
  flex-shrink: 0;
}


/* ============================================================
   PRODUCT DESCRIPTION SECTION
   ============================================================ */
.product-description {
  background: var(--color-bg-mid);
  border-top: 1px solid var(--color-border-dark);
  border-bottom: 1px solid var(--color-border-dark);
}

.product-description__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: clamp(var(--sp-10), 5vw, var(--sp-16));
  align-items: start;
}

.product-description__title {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-3xl));
  color: var(--color-bg);
  margin-bottom: var(--sp-6);
}

.product-description__main p {
  font-size: var(--text-base);
  color: var(--color-muted);
  line-height: 1.8;
  margin-bottom: var(--sp-5);
}

.product-description__main p:last-child {
  margin-bottom: 0;
}

.product-description__link {
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-color: rgba(220, 169, 80, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color var(--dur-fast);
}

.product-description__link:hover {
  text-decoration-color: var(--color-primary);
}

/* Sidebar info boxes */
.product-description__sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  position: sticky;
  top: calc(var(--nav-height) + var(--sp-6));
}

.product-info-box {
  background: var(--color-surface-dark);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
}

.product-info-box__title {
  color: var(--color-primary);
  margin-bottom: var(--sp-4);
  display: block;
}

.product-info-box__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.product-info-box__list li {
  font-size: var(--text-sm);
  color: rgba(231, 219, 199, 0.7);
  padding-left: var(--sp-4);
  position: relative;
  line-height: 1.5;
}

.product-info-box__list li::before {
  content: '—';
  position: absolute;
  left: 0;
  color: var(--color-primary);
  opacity: 0.5;
  font-size: 10px;
  top: 3px;
}


/* ============================================================
   RELATED PRODUCTS
   ============================================================ */
.related-products {
  background: var(--color-bg-dark);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}


/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
  .product-hero__inner {
    grid-template-columns: 1fr;
    gap: var(--sp-10);
  }

  .product-hero__image-col {
    position: static;
    max-width: 480px;
    margin-inline: auto;
    width: 100%;
  }

  .product-description__grid {
    grid-template-columns: 1fr;
  }

  .product-description__sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  }

  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .product-specs {
    grid-template-columns: 1fr 1fr;
  }

  .related-grid {
    grid-template-columns: 1fr;
  }

  .product-description__sidebar {
    grid-template-columns: 1fr;
  }
}