/* Oil product page: spacing is supplied by utilities.css; this file owns layout. */
.product-page {
  background: var(--color-brand-page);
}

.product-overview__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-lg);
  align-items: center;
}

.product-overview__visual,
.product-feature__visual {
  overflow: hidden;
  background: var(--color-product-visual);
  margin: 0;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

.product-overview__content, .product-feature__content {
  opacity: 0;
  transform: translateY(10%);
  transition: opacity 2s ease-in-out, transform 2s ease-in-out;
}

.product-overview__visual.active, .product-feature__visual.active {
  opacity: 1;
}

.product-overview__content.active, .product-feature__content.active {
  opacity: 1;
  transform: translateY(0);
}

.product-overview__visual img,
.product-feature__visual img,
.related-product__image img,
.usage-step__visual img {
  width: 100%;
  height: auto;
}

.product-title {
  color: var(--color-brand);
  font-family: var(--font-en);
  font-size: var(--fs-product-title);
  font-weight: var(--fw-medium);
  letter-spacing: 0.025em;
  line-height: 1.2;
}

.product-name {
  color: var(--color-brand-text);
  font-family: var(--font-serif);
  font-weight: var(--fw-bold);
  font-size: var(--fs-brand-name);
}
.product-lead {
  color: var(--color-brand-text);
  font-weight: var(--fw-bold);
  font-family: var(--font-serif);
}
.product-copy {
  color: var(--color-gray-dark);
}

.product-section-title {
  color: var(--color-brand);
  font-family: var(--font-en);
  font-size: var(--fs-section-title);
  font-weight: var(--fw-medium);
  letter-spacing: 0.06em;
  line-height: 1.25;
}

.detail_mark {
  font-size: var(--fs-2xs);
  vertical-align: super;
  position: relative;
  top: -0.1rem;
}

.related-products {
  background: var(--color-product-related);
}
.related-products__track {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}
.related-product {
  min-width: 0;
  text-align: center;
}
.related-product__image {
  background: var(--color-white);
}
.related-product__name {
  min-height: 3.4em;
  color: var(--color-brand-muted);
}

.related-product__button {
  display: inline-flex;
  min-width: min(100%, 11rem);
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-brand);
  border-radius: 999px;
  color: var(--color-brand);
  text-decoration: none;
  transition:
    color 180ms ease,
    background-color 180ms ease;
}

.related-product__button:hover,
.related-product__button:focus-visible {
  color: var(--color-white);
  background: var(--color-brand);
}

.product-features {
  background: var(--color-brand-surface);
}
.product-feature-list {
  display: grid;
  gap: var(--space-xl);
}

.product-feature {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

.product-feature--reverse .product-feature__visual {
  grid-column: 2;
}
.product-feature--reverse .product-feature__content {
  grid-row: 1;
  grid-column: 1;
}

.product-feature__title {
  color: var(--color-brand);
  font-family: var(--font-serif);
  font-size: var(--fs-feature-title);
  font-weight: var(--fw-medium);
  letter-spacing: 0.075em;
  line-height: 1.55;
}

.product-feature__note {
  color: var(--color-brand-muted);
}

.fragrance_list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-sm) 0 0;
}

.fragrance_item {
  max-width: 80px;
  max-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  align-items: center;
  background-color: var(--color-product-related);
  opacity: 0;
  transform: translateX(-30%);
  transition: opacity 2s ease-in-out, transform 2s ease-in-out;
}

.fragrance_item figure {
  margin: 0;
}

.fragrance_name {
  text-align: center;
  font-size: var(--fs-2xs);
}

.usage {
  background: var(--color-brand-page);
}
.usage-steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2xl);
}
.usage-step {
  position: relative;
  text-align: center;
  opacity: 0;
  transform: translateX(-10%);
  transition: opacity 1s ease-in-out, transform 2s ease-in-out;
}

.usage-step:not(:last-child)::after {
  position: absolute;
  top: 32%;
  right: calc(var(--space-xl) * -0.7);
  /* content: "\203A"; */
  content: "";
  width: 15px;
  height: 15px;
  border-right: 1px solid var(--color-gray-dark);
  border-bottom: 1px solid var(--color-gray-dark);
  transform: rotate(-45deg);
  color: var(--color-brand-muted);
  font-size: var(--fs-h3);
}

.fragrance_item.active, .usage-step.active {
  opacity: 1;
  transform: translateX(0) translateY(0);
}

.usage-step__visual {
  position: relative;
}
.usage-step__badge {
  position: absolute;
  z-index: 1;
  top: 0;
  left: 50%;
  transform: translate(-50%, -35%);
  border: 1px solid var(--color-brand);
  border-radius: 999px;
  color: var(--color-brand);
  /* background: var(--color-brand-page); */
  white-space: nowrap;
  font-weight: var(--fw-bold);
  font-family: var(--font-serif);
}

.usage-step__name {
  color: var(--color-brand-muted);
  font-family: var(--font-serif);
  font-weight: var(--fw-medium);
}
.usage-step__content {
  text-align: left;
}
.product-info-accordion {
  display: none;
  border-top: 1px solid var(--color-brand-line);
}
.product-info-accordion details {
  border-bottom: 1px solid var(--color-brand-line);
}

.product-info-accordion summary {
  display: flex;
  cursor: pointer;
  list-style: none;
  align-items: center;
  justify-content: space-between;
  color: var(--color-brand-text);
}

.product-info-accordion summary::-webkit-details-marker {
  display: none;
}
.product-info-accordion summary::after {
  width: 0.5rem;
  height: 0.5rem;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  content: "";
  transform: rotate(45deg);
  transition: transform 180ms ease;
}

.product-info-accordion details[open] summary::after {
  transform: rotate(225deg);
}
.product-info-accordion .usage-steps {
  grid-template-columns: 1fr;
}
.product-info-accordion .usage-step::after {
  display: none;
}

@media (max-width: 1023px) {
  .product-overview__grid {
    grid-template-columns: minmax(15rem, 0.85fr) minmax(0, 1.15fr);
    gap: var(--space-md);
  }
  .related-products__track {
    display: flex;
    overflow-x: auto;
    gap: var(--space-sm);
    padding-bottom: var(--space-xs);
    scroll-snap-type: x proximity;
    scrollbar-width: thin;
  }
  .related-product {
    flex: 0 0 clamp(13rem, 34vw, 18rem);
    scroll-snap-align: start;
  }
  .product-feature {
    gap: var(--space-md);
  }
  .product-info-accordion {
    display: block;
  }
  .usage-steps {
    grid-template-columns:repeat(1, minmax(0, 1fr));
  }
  .usage-step {
    transform: translateY(10%);
    max-width: max-content;
    margin: auto;
  }
  .usage-step__visual {
    width: clamp(15.625rem, 11.7804rem + 15.7729vw, 21.875rem);
    margin: auto;
  }
  .usage-step:not(:last-child)::after {
    display: none;
  }
}

@media (max-width: 767px) {
  .product-overview__grid,
  .product-feature {
    grid-template-columns: minmax(0, 1fr);
  }
  .product-overview__grid {
    gap: var(--space-sm);
  }
  .product-feature--reverse .product-feature__visual,
  .product-feature--reverse .product-feature__content {
    grid-row: auto;
    grid-column: auto;
  }
  .product-feature__visual {
    grid-row: 1;
  }
  .related-product {
    flex-basis: min(68vw, 16rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .related-product__button,
  .product-info-accordion summary::after {
    transition: none;
  }
}