/* ============================================================
   MAISON ROBOTO - Product Page
   Chrome Hearts x Rick Owens: architectural, cinematic.
   Zero border-radius. Sharp edges. Monochrome dark luxury.
   ============================================================ */


/* === PRODUCT HERO === */

.product-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: 0;
}

.product-hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.product-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.2) brightness(0.25);
}

.product-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.15) 50%, rgba(0,0,0,0.5) 100%),
    linear-gradient(to top, rgba(0,0,0,0.98) 0%, transparent 55%);
  pointer-events: none;
}

.product-hero-content {
  position: relative;
  z-index: 2;
  padding: var(--space-16) var(--space-8) var(--space-16);
  max-width: var(--content-edge);
  margin: 0 auto;
  width: 100%;
}

.product-hero-kicker {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.product-hero-collection {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--neon);
}

.product-hero-platform {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--silver);
}

.product-hero-divider {
  width: 32px;
  height: 1px;
  background: var(--neon);
  opacity: 0.25;
}

.product-hero-title {
  font-family: var(--font-display);
  font-size: clamp(3.5rem, 10vw, 10rem);
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 0.85;
  color: var(--white);
  text-transform: uppercase;
  text-shadow: 0 0 60px rgba(255,255,255,0.06), 0 2px 4px rgba(0,0,0,0.6);
  margin-bottom: var(--space-10);
}

.product-hero-price {
  font-family: var(--font-mono);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--white);
}


/* === PRODUCT LAYOUT === */

.product-layout {
  max-width: var(--content-edge);
  margin: 0 auto;
  padding: var(--section-standard) var(--space-8);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: start;
}


/* === PRODUCT GALLERY === */

.product-gallery {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  position: sticky;
  top: calc(56px + var(--space-8));
}

.product-gallery-main {
  position: relative;
  aspect-ratio: 3/4;
  overflow: hidden;
  background: var(--carbon);
  border: 1px solid rgba(57, 255, 20, 0.06);
  box-shadow: 0 0 24px rgba(57, 255, 20, 0.02);
}

.product-gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.3) contrast(1.05);
  transition: filter 600ms var(--ease);
}

.product-gallery-main:hover img {
  filter: grayscale(0) contrast(1);
}

.product-gallery-main .product-gallery-label {
  position: absolute;
  bottom: var(--space-4);
  left: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.5rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--neon);
  opacity: 0.4;
}

.product-gallery-thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}

.product-gallery-thumb {
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--carbon);
  border: 1px solid var(--rule);
  cursor: pointer;
  transition: border-color 300ms var(--ease);
}

.product-gallery-thumb.active,
.product-gallery-thumb:hover {
  border-color: var(--neon);
  box-shadow: 0 0 12px rgba(57, 255, 20, 0.06);
}

.product-gallery-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5) contrast(1.1);
  transition: filter 300ms var(--ease);
}

.product-gallery-thumb:hover img {
  filter: grayscale(0) contrast(1);
}

/* Placeholder for when no image exists */
.product-gallery-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--carbon);
  border: 1px solid var(--rule);
  color: var(--gray);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}


/* === PRODUCT INFO === */

.product-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.product-info-header {
  padding-bottom: var(--space-8);
  border-bottom: 1px solid var(--rule);
}

.product-info-collection {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--neon);
  margin-bottom: var(--space-4);
  display: block;
}

.product-info-name {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  line-height: 0.95;
  color: var(--white);
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}

.product-info-price-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-4);
}

.product-info-price {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--white);
}

.product-info-price-note {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.15em;
  color: var(--gray);
  text-transform: uppercase;
}


/* === PRODUCT DESCRIPTION === */

.product-description p {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 300;
  line-height: 1.75;
  color: var(--bone);
  margin-bottom: var(--space-4);
}


/* === PRODUCT SPECS === */

.product-specs {
  border-top: 1px solid var(--rule);
  padding-top: var(--space-6);
}

.product-specs-title {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #39FF14, rgba(57, 255, 20, 0.5));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.7;
  margin-bottom: var(--space-6);
}

.product-specs-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
}

.product-spec-item {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--rule);
}

.product-spec-label {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #d4af37, #c0c0c0, #d4af37);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  display: block;
  margin-bottom: var(--space-1);
}

.product-spec-value {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 400;
  color: var(--white);
  letter-spacing: 0.02em;
}


/* === PRODUCT FEATURES === */

.product-features {
  border-top: 1px solid var(--rule);
  padding-top: var(--space-6);
}

.product-features-title {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  background: linear-gradient(90deg, #39FF14, rgba(57, 255, 20, 0.5));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.7;
  margin-bottom: var(--space-6);
}

.product-features-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.product-feature {
  display: flex;
  align-items: baseline;
  gap: var(--space-3);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 300;
  color: var(--bone);
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}

.product-feature::before {
  content: '';
  flex: 0 0 6px;
  height: 1px;
  background: var(--neon);
  opacity: 0.35;
  position: relative;
  top: -1px;
}


/* === PRODUCT ACTIONS === */

.product-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-top: var(--space-6);
  border-top: 1px solid var(--rule);
}

.product-buy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1.25rem 2rem;
  color: var(--white);
  background: var(--dark);
  border: 1px solid var(--border-mid);
  cursor: pointer;
  transition: background 300ms var(--ease), color 300ms var(--ease), border-color 300ms var(--ease);
}

.product-buy-btn:hover {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
  box-shadow: 0 0 30px rgba(255, 255, 255, 0.08);
}

.product-bespoke-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 0.875rem 2rem;
  color: var(--chalk);
  background: transparent;
  border: 1px solid var(--border);
  text-decoration: none;
  cursor: pointer;
  transition: border-color 300ms var(--ease), color 300ms var(--ease);
}

.product-bespoke-btn:hover {
  border-color: var(--white);
  color: var(--white);
}

.product-actions-note {
  font-family: var(--font-mono);
  font-size: 0.5625rem;
  letter-spacing: 0.12em;
  color: var(--gray);
  text-align: center;
  text-transform: uppercase;
}


/* === PRODUCT AVAILABILITY === */

.product-availability {
  display: block;
  margin-top: var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.625rem;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--neon);
  opacity: 0.7;
  text-align: center;
}


/* === PRODUCT CUSTOM NOTE === */

.product-custom-note {
  border-radius: 0 !important;
}


/* === RELATED PRODUCTS === */

.product-related {
  padding: var(--section-spacious) var(--space-8);
  border-top: 1px solid var(--rule);
}

.product-related-header {
  max-width: var(--content-edge);
  margin: 0 auto var(--space-12);
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}

.product-related-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 4rem);
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--white);
  text-transform: uppercase;
}

.product-related-grid {
  max-width: var(--content-edge);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

.product-related-card {
  position: relative;
  overflow: hidden;
  aspect-ratio: 3/4;
  display: block;
  text-decoration: none;
  background: var(--carbon);
  border: 1px solid var(--rule);
  transition: border-color 400ms var(--ease);
}

.product-related-card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.product-related-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(0.5) contrast(1.1);
  transition: transform 800ms var(--ease), filter 600ms var(--ease), opacity 400ms var(--ease);
}

.product-related-card:hover img {
  transform: scale(1.04);
  filter: grayscale(0.2) contrast(1.05);
  opacity: 0.75;
}

.product-related-card-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-6);
  background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.5) 50%, transparent 100%);
}

.product-related-card-name {
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--white);
  display: block;
  margin-bottom: var(--space-2);
}

.product-related-card-price {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--neon);
  opacity: 0.6;
}


/* === RESPONSIVE - PRODUCT === */

@media (max-width: 1023px) {
  .product-layout {
    grid-template-columns: 1fr;
    gap: var(--space-10);
  }

  .product-gallery {
    position: static;
  }

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

@media (max-width: 639px) {
  .product-hero-title {
    font-size: clamp(2.5rem, 14vw, 5rem);
    letter-spacing: 0.02em;
  }

  .product-gallery-thumbs {
    grid-template-columns: repeat(4, 1fr);
  }

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

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

  .product-hero-kicker {
    flex-wrap: wrap;
    gap: var(--space-2);
  }
}