.product-detail-page #main-content {
  padding-top: calc(
    var(--header-top-h) + var(--header-bottom-h) + 32px + env(safe-area-inset-top)
  );
}

.product-detail {
  padding: 0 0 var(--space-section);
  background: var(--bg-page);
}

.product-detail__breadcrumbs {
  margin: 0 0 12px;
}

.product-detail__breadcrumbs-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.product-detail__breadcrumbs-list li {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  font-size: 12px;
  line-height: 1.2;
}

.product-detail__breadcrumbs-list li:not(:last-child)::after {
  content: "›";
  color: rgba(255, 255, 255, 0.32);
}

.product-detail__breadcrumbs-link {
  color: inherit;
  transition: color var(--transition-base), opacity var(--transition-base);
}

.product-detail__breadcrumbs-link:focus-visible {
  outline: none;
  color: var(--text-primary);
  box-shadow: var(--focus-ring);
  border-radius: 6px;
}

.product-detail__breadcrumbs-current {
  color: rgba(255, 255, 255, 0.86);
}

.product-detail__hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 408px;
  gap: 20px;
  align-items: start;
  min-width: 0;
}

.product-detail__gallery {
  min-width: 0;
}

.product-detail__main-image-wrap {
  border-radius: 18px;
  border: 1px solid var(--border-soft);
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%),
    var(--bg-panel-soft);
  aspect-ratio: 5 / 3;
  touch-action: pan-y;
}

.product-detail__main-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__thumbs {
  margin-top: 12px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(86px, 1fr));
  gap: 8px;
}

.product-detail__thumb {
  border-radius: 12px;
  border: 1px solid var(--border-soft);
  background: var(--bg-panel-soft);
  overflow: hidden;
  padding: 0;
  aspect-ratio: 1 / 1;
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base),
    transform var(--transition-base);
}

.product-detail__thumb.is-active {
  border-color: rgba(255, 255, 255, 0.38);
  box-shadow: var(--focus-ring);
}

.product-detail__thumb:focus-visible {
  outline: none;
  border-color: rgba(255, 255, 255, 0.38);
  box-shadow: var(--focus-ring);
}

.product-detail__thumb:active {
  transform: translateY(1px);
}

.product-detail__thumb-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail__aside {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-self: start;
  position: sticky;
  top: calc(var(--header-sticky-bottom-h) + 16px + env(safe-area-inset-top));
  min-width: 0;
}

.product-detail__title {
  margin: 0 0 16px;
  font-size: clamp(30px, 3.4vw, 46px);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.product-detail__price-card,
.product-detail__specs-short,
.product-detail__documents,
.product-detail__calculator,
.product-detail-section {
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.035) 0%, rgba(255, 255, 255, 0) 100%),
    var(--bg-panel-soft);
}

.product-detail__price-card {
  padding: 18px;
}

.product-detail__price-label {
  margin: 0 0 4px;
  font-size: 13px;
  line-height: 1.2;
  color: var(--text-dim);
}

.product-detail__price-value {
  margin: 0;
  font-size: clamp(38px, 4.8vw, 56px);
  line-height: 1;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.product-detail__price-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.28;
  color: var(--text-dim);
}

.product-detail__cta {
  width: 100%;
  margin-top: 14px;
}

.product-detail__block-title {
  margin: 0;
  font-size: 28px;
  line-height: 1.1;
  font-weight: 600;
}

.product-detail__specs-short,
.product-detail__documents,
.product-detail__calculator {
  padding: 14px 16px 16px;
}

.product-detail__specs-short .product-detail__block-title,
.product-detail__documents .product-detail__block-title,
.product-detail__calculator .product-detail__block-title {
  margin-bottom: 12px;
  font-size: 30px;
}

.product-detail-specs {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.product-detail-specs__row {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) auto minmax(80px, auto);
  gap: 8px;
  align-items: end;
}

.product-detail-specs__term,
.product-detail-specs__value {
  margin: 0;
  font-size: 14px;
  line-height: 1.3;
}

.product-detail-specs__term {
  color: var(--text-dim);
}

.product-detail-specs__dots {
  height: 1px;
  align-self: center;
  background:
    repeating-linear-gradient(
      to right,
      rgba(255, 255, 255, 0.2),
      rgba(255, 255, 255, 0.2) 2px,
      transparent 2px,
      transparent 5px
    );
}

.product-detail-specs__value {
  color: var(--text-muted);
  text-align: right;
}

.product-detail__documents-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.product-detail-document {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) 18px;
  align-items: center;
  gap: 10px;
  min-height: 60px;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.03);
  padding: 10px 12px;
  color: var(--text-primary);
  text-decoration: none;
  transition:
    border-color var(--transition-base),
    background-color var(--transition-base),
    box-shadow var(--transition-base);
}

.product-detail-document:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-color: rgba(255, 255, 255, 0.3);
}

.product-detail-document__icon,
.product-detail-document__download {
  position: relative;
  display: inline-block;
}

.product-detail-document__icon {
  width: 22px;
  height: 24px;
  border-radius: 6px;
  background: rgba(255, 96, 0, 0.2);
}

.product-detail-document__icon::before {
  content: "";
  position: absolute;
  right: 2px;
  top: 2px;
  border-left: 6px solid transparent;
  border-top: 6px solid var(--accent);
}

.product-detail-document__title {
  font-size: 16px;
  line-height: 1.2;
  font-weight: 500;
}

.product-detail-document__download {
  width: 16px;
  height: 16px;
}

.product-detail-document__download::before,
.product-detail-document__download::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  background: currentColor;
}

.product-detail-document__download::before {
  width: 1.5px;
  height: 8px;
  top: 2px;
}

.product-detail-document__download::after {
  width: 8px;
  height: 1.5px;
  bottom: 2px;
}

.product-detail-document__download-arrow {
  position: absolute;
  left: 50%;
  top: 8px;
  width: 6px;
  height: 6px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: translateX(-50%) rotate(45deg);
}

.product-detail__calculator-cta {
  width: 100%;
  min-height: 50px;
  font-size: 15px;
}

.product-detail__content {
  margin-top: 30px;
  display: grid;
  gap: 22px;
  min-width: 0;
}

.product-detail-section {
  padding: 0;
  border: none;
  border-radius: 0;
  background: transparent;
  min-width: 0;
}

.product-detail-section__title {
  margin: 0 0 14px;
  font-size: 38px;
  line-height: 1.1;
  font-weight: 600;
}

.product-detail-section + .product-detail-section {
  padding-top: 22px;
  border-top: 1px solid var(--border-soft);
}

.product-detail-section__body {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.45;
  min-width: 0;
}

.product-detail-section__body p {
  margin: 0 0 12px;
}

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

.product-detail-section__body ul,
.product-detail-section__body ol {
  margin: 0 0 12px;
  padding-left: 18px;
}

.product-detail-section__subsection + .product-detail-section__subsection {
  margin-top: 16px;
}

.product-detail-section__subtitle {
  margin: 0 0 8px;
  font-size: 22px;
  line-height: 1.15;
  font-weight: 600;
  color: var(--text-primary);
}

.product-detail-related {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.product-detail-related__item {
  min-width: 0;
}

.product-detail-related-card {
  height: 100%;
  border-radius: 16px;
  border: 1px solid var(--border-soft);
  overflow: hidden;
  background:
    radial-gradient(120% 140% at 100% 0%, rgba(255, 96, 0, 0.08) 0%, rgba(255, 96, 0, 0) 48%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0) 100%),
    var(--bg-panel-soft);
  transition:
    border-color var(--transition-base),
    box-shadow var(--transition-base);
}

.product-detail-related-card__link {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  color: inherit;
  text-decoration: none;
}

.product-detail-related-card__media {
  display: block;
  height: clamp(176px, 18vw, 220px);
  overflow: hidden;
}

.product-detail-related-card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.32s ease;
}

.product-detail-related-card__body {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
}

.product-detail-related-card__title {
  margin: 0;
  font-size: 24px;
  line-height: 1.08;
  font-weight: 500;
}

.product-detail-related-card__description {
  margin: 0;
  font-size: 15px;
  line-height: 1.35;
  color: var(--text-muted);
}

.product-detail-related-card:focus-within {
  outline: none;
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow:
    var(--focus-ring),
    0 12px 24px rgba(0, 0, 0, 0.22);
}

.product-detail-related-card__link:focus-visible {
  outline: none;
}

.product-detail-related-card__link:active .product-detail-related-card__image {
  transform: scale(1.015);
}

@media (hover: hover) and (pointer: fine) {
  .product-detail__breadcrumbs-link:hover {
    color: var(--text-primary);
  }

  .product-detail__thumb:hover {
    border-color: rgba(255, 255, 255, 0.28);
  }

  .product-detail-document:hover {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.08);
  }

  .product-detail-related-card:hover {
    border-color: rgba(255, 255, 255, 0.24);
    box-shadow: 0 10px 22px rgba(0, 0, 0, 0.22);
  }

  .product-detail-related-card:hover .product-detail-related-card__image {
    transform: scale(1.03);
  }
}

@media (max-width: 1199px) {
  .product-detail-page #main-content {
    padding-top: calc(72px + 24px + env(safe-area-inset-top));
  }

  .product-detail__hero {
    grid-template-columns: minmax(0, 1fr);
    gap: 16px;
  }

  .product-detail__aside {
    position: static;
  }
}

@media (max-width: 1023px) {
  .product-detail-section__title {
    font-size: 34px;
  }

  .product-detail-related {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 767px) {
  .product-detail-page #main-content {
    padding-top: calc(68px + 20px + env(safe-area-inset-top));
  }

  .product-detail__breadcrumbs {
    margin-bottom: 12px;
  }

  .product-detail__breadcrumbs-list li {
    font-size: 11px;
  }

  .product-detail__main-image-wrap {
    aspect-ratio: 16 / 11;
  }

  .product-detail__thumbs {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .product-detail__title {
    font-size: 32px;
    line-height: 1.06;
    margin-bottom: 10px;
  }

  .product-detail__price-card,
  .product-detail__specs-short,
  .product-detail__documents,
  .product-detail__calculator,
  .product-detail-section {
    border-radius: 14px;
  }

  .product-detail__price-card,
  .product-detail__specs-short,
  .product-detail__documents,
  .product-detail__calculator {
    padding: 14px;
  }

  .product-detail__price-value {
    font-size: 40px;
    line-height: 0.98;
  }

  .product-detail__price-label,
  .product-detail__price-note {
    font-size: 12px;
    line-height: 1.3;
  }

  .product-detail__specs-short .product-detail__block-title,
  .product-detail__documents .product-detail__block-title,
  .product-detail__calculator .product-detail__block-title {
    font-size: 28px;
    line-height: 1.08;
    margin-bottom: 10px;
  }

  .product-detail-specs__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 3px;
  }

  .product-detail-specs__term,
  .product-detail-specs__value {
    font-size: 13px;
    line-height: 1.32;
  }

  .product-detail-specs__dots {
    display: none;
  }

  .product-detail-specs__value {
    text-align: left;
    color: var(--text-primary);
  }

  .product-detail-document__title {
    font-size: 14px;
    line-height: 1.25;
  }

  .product-detail__content {
    margin-top: 16px;
    gap: 14px;
  }

  .product-detail-section {
    padding: 0;
  }

  .product-detail-section + .product-detail-section {
    padding-top: 16px;
  }

  .product-detail-section__title {
    font-size: 30px;
    line-height: 1.08;
    margin-bottom: 8px;
  }

  .product-detail-section__body {
    font-size: 13px;
    line-height: 1.4;
  }

  .product-detail-section__body p {
    margin: 0 0 8px;
  }

  .product-detail-section__body ul,
  .product-detail-section__body ol {
    margin: 0 0 8px;
    padding-left: 16px;
  }

  .product-detail-section__subtitle {
    font-size: 18px;
    line-height: 1.16;
    margin-bottom: 6px;
  }

  .product-detail-related {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .product-detail-related-card__media {
    height: 170px;
  }

  .product-detail-related-card__title {
    font-size: 20px;
  }

  .product-detail-related-card__description {
    font-size: 14px;
  }
}

.modal__dialog--calculator {
  width: min(100% - 32px, 1040px);
  background: #121315;
  max-height: calc(100vh - 24px);
  overflow-y: auto;
}

.modal__dialog--calculator .modal__close {
  top: 12px;
  right: 12px;
  width: 44px;
  height: 44px;
  font-size: 28px;
  z-index: 3;
  background: rgba(0, 0, 0, 0.42);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.product-detail-calculator-modal {
  padding: 0;
  background: transparent;
}

.product-detail-calculator-modal .calculator__surface {
  border: none;
  border-radius: 20px;
  padding-top: 62px;
}

.product-detail-calculator-modal .calculator__layout {
  grid-template-columns: 1fr;
  grid-template-areas:
    "form"
    "result"
    "actions";
}

.product-detail-calculator-modal .calculator-form__actions {
  margin-top: 4px;
}

.product-detail-calculator-modal .calculator-result {
  margin-top: -2px;
  max-width: 100%;
}

@media (max-width: 767px) {
  .modal__dialog--calculator {
    width: min(100% - 16px, 1040px);
    margin: 16px auto;
    max-height: calc(100vh - 16px);
  }

  .modal__dialog--calculator .modal__close {
    top: 8px;
    right: 8px;
    width: 42px;
    height: 42px;
    font-size: 24px;
  }

  .product-detail-calculator-modal .calculator__surface {
    border-radius: 14px;
    padding: 54px 14px 14px;
  }
}

html[data-theme="light"] .modal__dialog--calculator {
  background: transparent;
  border: none;
  box-shadow: none;
  margin: 16px auto;
  max-height: calc(100vh - 32px);
}

html[data-theme="light"] .modal__dialog--calculator .modal__close {
  background: rgba(255, 255, 255, 0.92);
  border-color: rgba(16, 20, 24, 0.18);
}

html[data-theme="light"] .product-detail-calculator-modal .calculator__surface {
  border: 1px solid rgba(16, 20, 24, 0.14);
  border-radius: 18px;
  padding-top: 54px;
  box-shadow: 0 12px 26px rgba(16, 20, 24, 0.12);
  background:
    linear-gradient(180deg, rgba(17, 22, 28, 0.03) 0%, rgba(17, 22, 28, 0) 100%),
    #f7f9fc;
}

html[data-theme="light"] .product-detail-related-card {
  background:
    linear-gradient(180deg, rgba(17, 22, 28, 0.03) 0%, rgba(17, 22, 28, 0) 100%),
    #f7f9fc;
  border-color: rgba(16, 20, 24, 0.12);
  box-shadow: 0 6px 18px rgba(16, 20, 24, 0.06);
}

html[data-theme="light"] .product-detail-document {
  border-color: rgba(16, 20, 24, 0.16);
  background: rgba(17, 22, 28, 0.035);
}

html[data-theme="light"] .product-detail-document:focus-visible {
  border-color: rgba(16, 20, 24, 0.28);
}

@media (hover: hover) and (pointer: fine) {
  html[data-theme="light"] .product-detail-document:hover {
    border-color: rgba(16, 20, 24, 0.22);
    background: rgba(17, 22, 28, 0.05);
  }
}

@media (max-width: 1023px) {
  .product-detail-related {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    grid-template-columns: none;
    grid-auto-flow: column;
    grid-auto-columns: minmax(300px, 56vw);
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 6px;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
  }

  .product-detail-related::-webkit-scrollbar {
    display: none;
  }

  .product-detail-related__item {
    min-width: 0;
    scroll-snap-align: start;
  }
}

@media (max-width: 767px) {
  .product-detail__gallery,
  .product-detail__aside,
  .product-detail__content,
  .product-detail-section {
    width: 100%;
    max-width: 100%;
    min-width: 0;
  }

  .product-detail-section[data-product-detail-related-wrap] {
    overflow-x: clip;
  }

  .product-detail-related {
    grid-auto-columns: minmax(276px, 84vw);
    gap: 10px;
    overscroll-behavior-x: contain;
  }
}