/* Product catalog and product-detail surfaces
 * Direction: precision manufacturing editorial / technical range book
 */

.breadcrumbs {
  padding-block: 1.25rem;
  font-size: 0.72rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.breadcrumbs li + li::before {
  color: var(--accent);
  content: "/";
}

.breadcrumbs a {
  color: inherit;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 0.2em;
  transition: text-decoration-color 180ms ease;
}

.breadcrumbs a:hover {
  text-decoration-color: currentColor;
}

.breadcrumbs [aria-current="page"] {
  max-width: min(30rem, 58vw);
  overflow: hidden;
  color: rgba(255, 255, 255, 0.48);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.breadcrumbs--dark {
  color: rgba(255, 255, 255, 0.82);
}

/* Catalog index */

.catalog-hero,
.product-hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background: var(--primary-900);
}

.catalog-hero__grid,
.product-hero__gridline {
  position: absolute;
  inset: 0;
  opacity: 0.12;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.18) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.18) 1px, transparent 1px);
  background-size: clamp(3rem, 7vw, 6rem) clamp(3rem, 7vw, 6rem);
  mask-image: linear-gradient(120deg, black, transparent 74%);
  pointer-events: none;
}

.catalog-hero > .shell,
.product-hero > .shell {
  position: relative;
  z-index: 1;
}

.catalog-hero__layout {
  display: grid;
  max-width: 68rem;
  gap: clamp(3rem, 8vw, 7rem);
  padding: clamp(3.5rem, 8vw, 8rem) 0 clamp(4.5rem, 9vw, 8rem);
}

.catalog-hero__copy h1 {
  max-width: 12ch;
  margin-bottom: 1.75rem;
  color: var(--white);
  font-size: clamp(3.4rem, 10vw, 8rem);
}

.catalog-hero__copy > p:not(.eyebrow) {
  max-width: 42rem;
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(1.05rem, 2vw, 1.25rem);
}

.catalog-hero__actions,
.product-hero__actions,
.product-final-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.catalog-jump {
  background: var(--white);
}

.category-jump-grid {
  display: grid;
  border-top: 1px solid var(--ink);
}

.category-jump-card {
  min-height: 8.5rem;
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr) 1.25rem;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
  transition: color 200ms ease, padding 260ms var(--ease), background-color 200ms ease;
}

.category-jump-card:hover {
  padding-inline: 1rem;
  color: var(--primary);
  background: var(--accent-soft);
}

.category-jump-card__count {
  align-self: start;
  color: var(--ink-500);
  font-size: 0.68rem;
}

.category-jump-card__copy {
  display: grid;
  gap: 0.35rem;
}

.category-jump-card small {
  color: var(--primary);
  font-size: 0.66rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.category-jump-card strong {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.65rem);
  line-height: 1.05;
}

.category-jump-card > .icon {
  color: var(--primary);
  transition: transform 220ms var(--ease);
}

.category-jump-card:hover > .icon {
  transform: translateX(0.25rem);
}

.catalog-group {
  scroll-margin-top: 7.5rem;
  border-top: 1px solid var(--line);
}

.catalog-group:nth-child(odd) {
  background: var(--paper);
}

.catalog-group:nth-child(even) {
  background: var(--white);
}

.catalog-group__header {
  position: relative;
  display: grid;
  gap: 1.25rem;
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
  padding-top: 1.5rem;
  border-top: 1px solid var(--ink);
}

.catalog-group__header h2 {
  max-width: 13ch;
  margin: 0;
  font-size: clamp(2.5rem, 6vw, 5.25rem);
}

.catalog-group__header > p {
  max-width: 39rem;
  margin: 0;
  color: var(--ink-600);
}

.catalog-group__header > span {
  color: var(--primary);
  font-size: 0.7rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.catalog-card-grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.catalog-card {
  position: relative;
  min-height: 23rem;
  display: flex;
  flex-direction: column;
  padding: 1.25rem;
  background: var(--white);
  transition: color 250ms ease, background-color 250ms ease;
}

.catalog-card::before {
  position: absolute;
  top: 0;
  right: 0;
  width: 4rem;
  height: 4rem;
  content: "";
  border-top: 1px solid rgba(30, 70, 107, 0.25);
  border-right: 1px solid rgba(30, 70, 107, 0.25);
  transform: translate(-0.8rem, 0.8rem);
}

.catalog-card:hover {
  color: var(--white);
  background: var(--primary);
}

.catalog-card__index {
  color: var(--ink-500);
  font-size: 0.68rem;
  transition: color 250ms ease;
}

.catalog-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  padding-block: 2rem;
}

.catalog-card__body > p {
  margin-bottom: 0.75rem;
  color: var(--primary);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  transition: color 250ms ease;
}

.catalog-card h3 {
  margin-bottom: 1rem;
  font-size: clamp(1.65rem, 3vw, 2.25rem);
  line-height: 1.02;
}

.catalog-card__body > span {
  color: var(--ink-600);
  font-size: 0.82rem;
  line-height: 1.55;
  transition: color 250ms ease;
}

.catalog-card__footer {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  transition: border-color 250ms ease;
}

.catalog-card__footer small {
  max-width: 75%;
  color: var(--ink-500);
  font-size: 0.65rem;
  line-height: 1.4;
  transition: color 250ms ease;
}

.catalog-card__arrow {
  width: 2.5rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  color: var(--white);
  background: var(--primary);
  border-radius: 50%;
  transition: color 250ms ease, background-color 250ms ease, transform 250ms var(--ease);
}

.catalog-card:hover .catalog-card__index,
.catalog-card:hover .catalog-card__body > span,
.catalog-card:hover .catalog-card__footer small {
  color: rgba(255, 255, 255, 0.65);
}

.catalog-card:hover .catalog-card__body > p {
  color: var(--secondary);
}

.catalog-card:hover .catalog-card__footer {
  border-color: var(--line-dark);
}

.catalog-card:hover .catalog-card__arrow {
  color: var(--ink);
  background: var(--secondary);
  transform: rotate(45deg);
}

.catalog-help {
  padding-block: clamp(4rem, 8vw, 7rem);
  color: var(--white);
  background: var(--ink);
}

.catalog-help__inner {
  display: grid;
  gap: 2rem;
  align-items: end;
}

.catalog-help h2 {
  margin-bottom: 1rem;
  color: var(--white);
  font-size: clamp(2.5rem, 7vw, 5.5rem);
}

.catalog-help p:not(.eyebrow) {
  max-width: 42rem;
  color: rgba(255, 255, 255, 0.62);
}

.catalog-help__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.8rem 1.25rem;
}

/* Product detail */

.product-hero__layout {
  display: grid;
  gap: clamp(3rem, 8vw, 7rem);
  align-items: start;
  padding: clamp(2.5rem, 6vw, 5rem) 0 clamp(4rem, 8vw, 7rem);
}

.product-hero__copy h1 {
  max-width: 11ch;
  margin-bottom: 1.5rem;
  color: var(--white);
  font-size: clamp(3rem, 8vw, 6.8rem);
}

.product-hero__lead {
  max-width: 42rem;
  margin-bottom: 1.1rem;
  color: rgba(255, 255, 255, 0.88);
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  line-height: 1.5;
}

.product-hero__intent {
  max-width: 42rem;
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.92rem;
}

.product-hero__facts {
  display: grid;
  gap: 0;
  margin: 2.5rem 0 0;
  border-top: 1px solid var(--line-dark);
}

.product-hero__facts div {
  padding-block: 0.9rem;
  border-bottom: 1px solid var(--line-dark);
}

.product-hero__facts dt {
  margin-bottom: 0.25rem;
  color: var(--accent);
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-hero__facts dd {
  margin: 0;
  color: var(--white);
  font-size: 0.86rem;
  font-weight: 650;
}

.product-hero__caveat {
  display: block;
  margin-top: 0.7rem;
  color: rgba(255, 255, 255, 0.42);
  font-size: 0.65rem;
}

.product-hero__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: var(--primary-800);
  border: 1px solid var(--line-dark);
  border-radius: var(--radius-lg);
  box-shadow: 0 35px 80px rgba(0, 0, 0, 0.22);
}

.product-hero__media > .media-img,
.product-hero__media > .media-placeholder {
  min-height: 34rem;
  aspect-ratio: 4 / 5;
}

.product-hero__media figcaption {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 3;
  display: grid;
  gap: 0.25rem;
  padding: 1rem 1.25rem;
  color: var(--white);
  background: linear-gradient(transparent, rgba(13, 13, 13, 0.9));
  pointer-events: none;
}

.product-hero__media figcaption span {
  color: var(--secondary);
  font-size: 0.63rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-hero__media figcaption p {
  margin: 0;
  color: rgba(255, 255, 255, 0.68);
  font-size: 0.68rem;
}

.product-overview {
  background: var(--white);
}

.product-overview__grid {
  display: grid;
  gap: clamp(3rem, 7vw, 7rem);
}

.product-spec-panels {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.product-spec-panel {
  min-height: 24rem;
  padding: 1.5rem;
  background: var(--paper);
}

.product-spec-panel > span {
  color: var(--ink-500);
  font-size: 0.68rem;
}

.product-spec-panel__icon,
.product-brief__icon {
  width: 3.25rem;
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  margin: 3rem 0 1.5rem;
  color: var(--ink);
  background: var(--secondary);
  border-radius: 50%;
}

.product-spec-panel__icon .icon,
.product-brief__icon .icon {
  width: 1.4rem;
  height: 1.4rem;
}

.product-spec-panel h3 {
  margin-bottom: 1.25rem;
  font-size: 1.65rem;
}

.product-spec-panel ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-spec-panel li {
  padding-block: 0.55rem;
  color: var(--ink-600);
  border-top: 1px solid var(--line);
  font-size: 0.82rem;
}

.product-use-band {
  padding-block: clamp(4rem, 8vw, 7rem);
  color: var(--white);
  background: var(--primary);
}

.product-use-band__grid {
  display: grid;
  gap: 3rem;
}

.product-use-band h2 {
  max-width: 13ch;
  margin: 0;
  color: var(--white);
  font-size: clamp(2.4rem, 6vw, 5rem);
}

.product-use-band ul {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-dark);
}

.product-use-band li {
  min-height: 4rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding-block: 0.75rem;
  border-bottom: 1px solid var(--line-dark);
  color: rgba(255, 255, 255, 0.78);
}

.product-use-band li .icon {
  width: 1.55rem;
  height: 1.55rem;
  padding: 0.28rem;
  color: var(--ink);
  background: var(--secondary);
  border-radius: 50%;
}

.product-brief {
  background: var(--paper);
}

.product-brief__grid {
  display: grid;
  gap: 3rem;
  align-items: center;
}

.product-brief__card {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 5vw, 3.5rem);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.product-brief__number {
  position: relative;
  z-index: 1;
  color: var(--primary);
  font-size: 0.68rem;
  font-weight: 750;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.product-brief__card h2 {
  position: relative;
  z-index: 1;
  max-width: 11ch;
  margin-bottom: 1.25rem;
  font-size: clamp(2.25rem, 5vw, 4.3rem);
}

.product-brief__card p {
  position: relative;
  z-index: 1;
  max-width: 38rem;
  color: var(--ink-600);
}

.product-brief__card .button {
  position: relative;
  z-index: 1;
}

.product-brief__notes {
  border-top: 1px solid var(--ink);
}

.product-brief__notes > div {
  display: grid;
  gap: 0.5rem;
  padding-block: 1.4rem;
  border-bottom: 1px solid var(--line);
}

.product-brief__notes strong {
  font-family: var(--font-display);
  font-size: 1.2rem;
}

.product-brief__notes p {
  margin: 0;
  color: var(--ink-600);
  font-size: 0.86rem;
}

.product-process {
  background: var(--white);
}

.product-process__steps {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--ink);
}

.product-process__steps li {
  position: relative;
  min-height: 19rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--line);
}

.product-process__steps li > span {
  color: var(--ink-500);
  font-size: 0.68rem;
}

.product-process__steps li > .icon {
  width: 2rem;
  height: 2rem;
  margin: 3.5rem 0 1.25rem;
  color: var(--primary);
}

.product-process__steps h3 {
  margin-bottom: 0.65rem;
  font-size: 1.55rem;
}

.product-process__steps p {
  max-width: 26rem;
  margin: 0;
  color: var(--ink-600);
  font-size: 0.84rem;
}

.product-related {
  background: var(--paper);
}

.product-related__grid {
  display: grid;
  gap: 1px;
  overflow: hidden;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}

.product-related__card {
  min-height: 21rem;
  display: flex;
  flex-direction: column;
  padding: 1.5rem;
  background: var(--white);
  transition: color 220ms ease, background-color 220ms ease;
}

.product-related__card:hover {
  color: var(--white);
  background: var(--primary);
}

.product-related__card > small {
  margin-bottom: auto;
  color: var(--primary);
  font-size: 0.65rem;
  font-weight: 750;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 220ms ease;
}

.product-related__card h3 {
  margin-bottom: 0.8rem;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
}

.product-related__card p {
  color: var(--ink-600);
  font-size: 0.8rem;
  transition: color 220ms ease;
}

.product-related__card > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line);
  font-size: 0.72rem;
  font-weight: 700;
  transition: border-color 220ms ease;
}

.product-related__card:hover > small {
  color: var(--secondary);
}

.product-related__card:hover p {
  color: rgba(255, 255, 255, 0.65);
}

.product-related__card:hover > span {
  border-color: var(--line-dark);
}

.product-faq {
  background: var(--white);
}

.product-faq__grid {
  display: grid;
  gap: 3rem;
}

.product-faq .accordion__item button {
  min-height: 5.5rem;
}

.product-final-cta {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 8vw, 7rem);
  color: var(--white);
  background: var(--ink);
}

.product-final-cta__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2.5rem;
  align-items: end;
}

.product-final-cta h2 {
  max-width: 15ch;
  margin: 0;
  color: var(--white);
  font-size: clamp(2.7rem, 7vw, 5.8rem);
}

.product-final-cta__inner > div:last-child > p {
  max-width: 34rem;
  color: rgba(255, 255, 255, 0.62);
}

@media (min-width: 42rem) {
  .category-jump-grid,
  .catalog-card-grid,
  .product-spec-panels,
  .product-related__grid {
    grid-template-columns: 1fr 1fr;
  }

  .product-hero__facts {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-hero__facts div {
    padding-inline: 1rem;
    border-right: 1px solid var(--line-dark);
  }

  .product-hero__facts div:first-child {
    padding-left: 0;
  }

  .product-hero__facts div:last-child {
    border-right: 0;
  }

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

  .product-process__steps li {
    padding: 1.5rem;
    border-right: 1px solid var(--line);
  }

  .product-process__steps li:nth-child(2n) {
    border-right: 0;
  }
}

@media (min-width: 60rem) {
  .category-jump-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1px;
    overflow: hidden;
    background: var(--line);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
  }

  .category-jump-card {
    min-height: 10.5rem;
    padding: 1.25rem;
    background: var(--white);
    border: 0;
  }

  .category-jump-card:hover {
    padding-inline: 1.75rem 0.75rem;
  }

  .catalog-group__header {
    grid-template-columns: 1.1fr 0.7fr auto;
    align-items: end;
  }

  .catalog-card-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .catalog-help__inner,
  .product-final-cta__inner {
    grid-template-columns: 1.25fr 0.75fr;
  }

  .catalog-help__actions {
    justify-content: flex-end;
  }

  .product-hero__layout {
    grid-template-columns: minmax(0, 1.08fr) minmax(25rem, 0.72fr);
  }

  .product-overview__grid {
    grid-template-columns: 0.68fr 1.32fr;
  }

  .product-spec-panels {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-spec-panel:nth-child(2) {
    transform: translateY(2rem);
  }

  .product-use-band__grid {
    grid-template-columns: 1fr 1fr;
    gap: clamp(4rem, 9vw, 8rem);
    align-items: center;
  }

  .product-brief__grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: clamp(4rem, 8vw, 8rem);
  }

  .product-brief__notes > div {
    grid-template-columns: 0.36fr 0.64fr;
    gap: 1.5rem;
  }

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

  .product-process__steps li,
  .product-process__steps li:nth-child(2n) {
    border-right: 1px solid var(--line);
  }

  .product-process__steps li:last-child {
    border-right: 0;
  }

  .product-related__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .product-faq__grid {
    grid-template-columns: 0.72fr 1.28fr;
    gap: clamp(4rem, 9vw, 8rem);
  }
}

@media (min-width: 78rem) {
  .catalog-card {
    padding: 1.6rem;
  }

  .product-hero__copy {
    padding-bottom: 1.5rem;
  }
}

@media (max-width: 31rem) {
  .catalog-hero__actions .button,
  .product-hero__actions .button,
  .product-final-cta__actions .button {
    width: 100%;
  }

  .catalog-card {
    min-height: 20rem;
  }

  .product-hero__media > .media-img,
  .product-hero__media > .media-placeholder {
    min-height: 29rem;
  }
}