:root {
  --site-max: 90rem;
  --site-copy: 48rem;
}

html {
  scroll-padding-top: 5rem;
}

body {
  color: var(--graphite-950);
  background: var(--mineral-50);
}

.site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: var(--z-nav);
}

.site-nav a[aria-current="page"] {
  text-decoration: underline;
  text-decoration-color: var(--copper-600);
  text-decoration-thickness: 0.125rem;
  text-underline-offset: 0.4rem;
}

.production-home .industrial-photo-hero__copy {
  width: min(100%, 54rem);
}

.production-home .industrial-photo-hero__copy h1 {
  max-width: 9.4ch;
}

.fact-strip {
  border-bottom: 1px solid var(--graphite-950);
  background: var(--mineral-100);
}

.fact-strip__grid {
  display: grid;
}

.fact-strip__grid > div {
  min-height: 8rem;
  display: grid;
  align-content: center;
  gap: var(--space-xs);
  padding-block: var(--space-lg);
  border-bottom: 1px solid var(--graphite-950);
}

.fact-strip__grid > div:last-child {
  border-bottom: 0;
}

.fact-strip strong {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 5.25rem);
  font-weight: 800;
  line-height: 0.82;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.fact-strip span {
  font-size: 0.875rem;
  font-weight: 600;
}

.content-flow {
  display: grid;
  padding-block: clamp(4rem, 9vw, 8rem);
}

.content-section {
  display: grid;
  gap: var(--space-lg);
  padding-block: clamp(3.5rem, 7vw, 7rem);
  border-top: 1px solid var(--graphite-300);
}

.content-section:first-child {
  border-top-color: var(--graphite-950);
}

.content-section__number {
  color: var(--copper-600);
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.5rem);
  font-weight: 800;
  line-height: 0.75;
  font-variant-numeric: tabular-nums;
}

.content-section__body {
  display: grid;
  gap: var(--space-lg);
  max-width: var(--site-copy);
}

.content-section h2,
.source-block h2,
.faq-block h2,
.related-block h2,
.final-cta h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6.75rem);
  font-weight: 800;
  line-height: 0.83;
  letter-spacing: -0.025em;
  text-transform: uppercase;
}

.content-prose {
  display: grid;
  gap: var(--space-md);
  max-width: 68ch;
  font-size: clamp(1rem, 1.35vw, 1.25rem);
  line-height: 1.65;
}

.content-prose p {
  margin: 0;
}

.check-list {
  display: grid;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--graphite-300);
}

.check-list li {
  position: relative;
  min-height: 3.75rem;
  display: flex;
  align-items: center;
  padding: var(--space-sm) var(--space-md) var(--space-sm) 2.5rem;
  border-bottom: 1px solid var(--graphite-300);
  font-weight: 600;
}

.check-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 0.5rem;
  width: 0.65rem;
  height: 0.65rem;
  background: var(--copper-600);
  transform: rotate(45deg);
}

.section-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.section-links a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding-inline: var(--space-md);
  color: var(--graphite-950);
  border: 1px solid var(--graphite-950);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
}

.section-links a span {
  color: var(--copper-600);
}

.internal-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(36rem, 76vh, 52rem);
  overflow: hidden;
  border-bottom: 1px solid var(--graphite-950);
  background: var(--mineral-50);
}

.internal-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(90deg,
    var(--mineral-50) 0%,
    var(--mineral-50) 48%,
    color-mix(in oklch, var(--mineral-50) 88%, transparent) 66%,
    color-mix(in oklch, var(--mineral-50) 5%, transparent) 100%);
}

.internal-hero__photo {
  position: absolute;
  inset: 0;
  z-index: -3;
  background: url("hero.webp") 76% center / cover no-repeat;
  filter: saturate(0.55) contrast(0.95) brightness(1.04);
}

.internal-hero__grid {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.34;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: clamp(3rem, 7vw, 7.5rem) clamp(3rem, 7vw, 7.5rem);
  mask-image: linear-gradient(90deg, black 0 48%, transparent 72%);
}

.internal-hero__inner {
  min-height: inherit;
  display: grid;
  align-content: space-between;
  gap: var(--space-xl);
  padding-block: var(--space-lg) clamp(4rem, 9vh, 7rem);
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  max-width: 60rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.breadcrumbs a {
  color: inherit;
}

.breadcrumbs span:last-child {
  color: var(--graphite-650);
}

.internal-hero__copy {
  display: grid;
  gap: var(--space-lg);
  width: min(100%, 54rem);
}

.internal-hero h1 {
  max-width: 11ch;
  margin: 0 0 0 -0.03em;
  font-family: var(--font-display);
  font-size: clamp(4rem, 8vw, 8.5rem);
  font-weight: 800;
  line-height: 0.8;
  letter-spacing: -0.035em;
  text-transform: uppercase;
}

.internal-hero__copy > p:not(.industrial-kicker) {
  max-width: 38rem;
  margin: 0;
  font-size: clamp(1rem, 1.45vw, 1.25rem);
  line-height: 1.6;
}

.source-block {
  display: grid;
  gap: var(--space-2xl);
  margin-top: clamp(3rem, 8vw, 7rem);
  padding: clamp(2rem, 6vw, 5rem);
  color: var(--mineral-50);
  background: var(--graphite-950);
}

.source-block > div {
  display: grid;
  gap: var(--space-lg);
}

.source-block > div > p:last-child {
  max-width: 58ch;
  margin: 0;
  color: var(--graphite-on-dark);
  line-height: 1.65;
}

.source-block nav {
  display: grid;
  border-top: 1px solid var(--graphite-700);
}

.source-block a {
  min-height: 5.25rem;
  display: grid;
  grid-template-columns: 1fr auto;
  align-content: center;
  gap: var(--space-xs) var(--space-lg);
  padding-block: var(--space-md);
  color: var(--mineral-50);
  border-bottom: 1px solid var(--graphite-700);
  text-decoration: none;
}

.source-block a strong {
  font-size: 1rem;
}

.source-block a span {
  color: var(--graphite-on-dark);
  font-size: 0.875rem;
}

.source-block a i {
  grid-row: 1 / span 2;
  grid-column: 2;
  align-self: center;
  color: var(--copper-500);
  font-style: normal;
}

.faq-block {
  display: grid;
  gap: var(--space-2xl);
  padding-block: clamp(5rem, 10vw, 9rem);
  border-bottom: 1px solid var(--graphite-950);
}

.faq-block__head {
  display: grid;
  gap: var(--space-md);
}

.faq-list {
  border-top: 1px solid var(--graphite-950);
}

.faq-list details {
  border-bottom: 1px solid var(--graphite-300);
}

.faq-list summary {
  min-height: 5rem;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 2.75rem;
  align-items: center;
  gap: var(--space-lg);
  padding-block: var(--space-md);
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-list summary::-webkit-details-marker {
  display: none;
}

.faq-list summary i {
  position: relative;
  width: 2.75rem;
  height: 2.75rem;
  border: 1px solid var(--graphite-950);
}

.faq-list summary i::before,
.faq-list summary i::after {
  content: "";
  position: absolute;
  inset: 50% auto auto 50%;
  width: 0.8rem;
  height: 1px;
  background: currentColor;
  transform: translate(-50%, -50%);
}

.faq-list summary i::after {
  transform: translate(-50%, -50%) rotate(90deg);
  transition: transform 180ms var(--ease-out);
}

.faq-list details[open] summary i::after {
  transform: translate(-50%, -50%) rotate(0deg);
}

.faq-list details p {
  max-width: 66ch;
  margin: 0;
  padding: 0 4.5rem var(--space-lg) 0;
  color: var(--graphite-700);
  line-height: 1.65;
}

.related-block {
  display: grid;
  gap: var(--space-lg);
  padding-block: clamp(4rem, 8vw, 7rem);
}

.related-block nav {
  display: grid;
  border-top: 1px solid var(--graphite-950);
}

.related-block a {
  min-height: 4.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  color: var(--graphite-950);
  border-bottom: 1px solid var(--graphite-300);
  font-weight: 700;
  text-decoration: none;
}

.related-block i {
  color: var(--copper-600);
  font-style: normal;
}

.final-cta {
  position: relative;
  isolation: isolate;
  display: grid;
  gap: var(--space-xl);
  overflow: hidden;
  padding: clamp(2rem, 6vw, 5rem);
  color: var(--graphite-950);
  background: var(--copper-500);
}

.final-cta > div:not(.final-cta__mark) {
  display: grid;
  gap: var(--space-md);
}

.final-cta h2 {
  max-width: 12ch;
}

.final-cta p {
  max-width: 52ch;
  margin: 0;
  line-height: 1.6;
}

.final-cta .button--copper {
  color: var(--mineral-50);
  background: var(--graphite-950);
}

.final-cta__mark {
  position: absolute;
  inset: auto -0.06em -0.36em auto;
  z-index: -1;
  color: var(--copper-600);
  font-family: var(--font-display);
  font-size: clamp(14rem, 34vw, 34rem);
  font-weight: 800;
  line-height: 1;
}

.site-footer {
  padding-block: clamp(3rem, 8vw, 6rem);
  color: var(--mineral-50);
  background: var(--graphite-950);
}

.site-footer__grid {
  display: grid;
  gap: var(--space-2xl);
}

.brand--footer {
  color: var(--mineral-50);
  text-decoration: none;
}

.site-footer__grid > div:first-child {
  display: grid;
  align-content: start;
  gap: var(--space-lg);
}

.site-footer__grid > div:first-child p,
.site-footer__note p {
  max-width: 42ch;
  margin: 0;
  color: var(--graphite-on-dark);
  font-size: 0.875rem;
  line-height: 1.65;
}

.site-footer nav {
  display: grid;
  align-content: start;
}

.site-footer nav a {
  min-height: 2.75rem;
  display: flex;
  align-items: center;
  color: var(--mineral-50);
  border-bottom: 1px solid var(--graphite-700);
  text-decoration: none;
}

.site-footer__note {
  display: grid;
  align-content: start;
  gap: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--graphite-700);
}

.site-footer__note span {
  color: var(--copper-500);
  font-size: 0.75rem;
  font-weight: 700;
}

@media (hover: hover) {
  .section-links a,
  .related-block a,
  .source-block a {
    transition: background-color 180ms var(--ease-out), padding-inline 180ms var(--ease-out);
  }

  .section-links a:hover,
  .related-block a:hover {
    background: var(--mineral-100);
  }

  .source-block a:hover {
    padding-inline: var(--space-sm);
    background: var(--graphite-900);
  }
}

@media (min-width: 48rem) {
  .fact-strip__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .fact-strip__grid > div {
    padding-inline: var(--space-lg);
    border-right: 1px solid var(--graphite-950);
    border-bottom: 0;
  }

  .fact-strip__grid > div:first-child {
    padding-left: 0;
  }

  .fact-strip__grid > div:last-child {
    border-right: 0;
  }

  .content-section {
    grid-template-columns: minmax(6rem, 0.22fr) minmax(0, 1fr);
    gap: clamp(2rem, 7vw, 7rem);
  }

  .content-section__body {
    max-width: 68rem;
  }

  .content-prose {
    max-width: 62ch;
  }

  .check-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .check-list li:nth-child(odd) {
    border-right: 1px solid var(--graphite-300);
  }

  .source-block,
  .faq-block {
    grid-template-columns: minmax(16rem, 0.45fr) minmax(0, 1fr);
    gap: clamp(3rem, 8vw, 8rem);
  }

  .source-block h2,
  .faq-block h2,
  .related-block h2 {
    font-size: clamp(3.5rem, 5vw, 5.5rem);
  }

  .final-cta {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .final-cta .button {
    grid-column: 2;
    grid-row: 1;
    align-self: end;
  }

  .site-footer__grid {
    grid-template-columns: 1.2fr 0.75fr 1fr;
  }
}

@media (max-width: 47.99rem) {
  .production-home .industrial-photo-hero__copy h1 {
    max-width: 100%;
  }

  .fact-strip__grid > div {
    grid-template-columns: minmax(8rem, auto) 1fr;
    align-items: center;
    gap: var(--space-lg);
  }

  .fact-strip strong {
    font-size: 2.8rem;
  }

  .internal-hero {
    min-height: 51rem;
  }

  .internal-hero::after {
    background: linear-gradient(0deg,
      var(--mineral-50) 0%,
      var(--mineral-50) 46%,
      color-mix(in oklch, var(--mineral-50) 36%, transparent) 82%,
      color-mix(in oklch, var(--mineral-50) 8%, transparent) 100%);
  }

  .internal-hero__photo {
    background-position: 68% top;
  }

  .internal-hero__grid {
    opacity: 0.24;
    mask-image: linear-gradient(0deg, black 0 55%, transparent 86%);
  }

  .internal-hero__inner {
    align-content: space-between;
    padding-bottom: var(--space-xl);
  }

  .internal-hero__copy {
    align-self: end;
    gap: var(--space-md);
  }

  .internal-hero h1 {
    max-width: 100%;
    font-size: clamp(2.75rem, 12vw, 3.6rem);
  }

  .internal-hero .hero-actions {
    display: grid;
  }

  .internal-hero .button {
    width: 100%;
  }

  .content-section h2,
  .source-block h2,
  .faq-block h2,
  .related-block h2,
  .final-cta h2 {
    font-size: clamp(2.65rem, 13vw, 4rem);
  }

  .faq-list details p {
    padding-right: 0;
  }

  .final-cta .button {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .source-block a,
  .related-block a,
  .section-links a,
  .faq-list summary i::after {
    transition: none;
  }
}

/* Grid min-content safety */
.content-flow,
.content-section,
.content-section__body,
.content-prose,
.check-list,
.source-block,
.source-block > div,
.source-block nav,
.faq-block,
.faq-list,
.related-block,
.final-cta {
  min-width: 0;
}

.content-section__body {
  width: 100%;
}

.content-section h2,
.source-block h2,
.faq-block h2,
.related-block h2,
.final-cta h2,
.internal-hero h1 {
  min-width: 0;
  hyphens: auto;
  overflow-wrap: break-word;
}

@media (max-width: 47.99rem) {
  .content-section h2,
  .source-block h2,
  .faq-block h2,
  .related-block h2,
  .final-cta h2 {
    font-size: clamp(2.55rem, 11.5vw, 3.6rem);
  }
}
/* Production hero path and title fitting */
.production-home::before {
  background-image: url("hero.webp");
}

.internal-hero h1 {
  font-size: clamp(3.5rem, 7vw, 7rem);
  hyphens: none;
  overflow-wrap: normal;
}

@media (max-width: 47.99rem) {
  .internal-hero h1 {
    font-size: clamp(2.45rem, 10.5vw, 3.25rem);
  }
}

/* CTA distribution update */
.mid-cta {
  display: grid;
  gap: var(--space-xl);
  align-items: end;
  padding: clamp(1.75rem, 4vw, 3.25rem);
  color: var(--mineral-50);
  background: var(--graphite-950);
  border-top: 0.35rem solid var(--copper-500);
}

.mid-cta__copy {
  display: grid;
  gap: var(--space-md);
  max-width: 54rem;
}

.mid-cta h2 {
  max-width: 18ch;
  color: var(--mineral-50);
  font-size: clamp(2.5rem, 4.5vw, 4.75rem);
}

.mid-cta p {
  max-width: 54ch;
  margin: 0;
  color: var(--graphite-100);
  line-height: 1.6;
}

.mid-cta .section-label { color: var(--copper-400); }
.mid-cta .button { justify-self: start; }

.final-cta { display: block; }

.final-cta__copy {
  position: relative;
  z-index: 2;
  max-width: min(52rem, 68%);
}

.final-cta__actions {
  display: flex;
  margin-top: var(--space-md);
}

.final-cta__actions .button {
  grid-column: auto;
  grid-row: auto;
  align-self: auto;
}

.final-cta__mark {
  z-index: 1;
  pointer-events: none;
}

@media (min-width: 48rem) {
  .mid-cta { grid-template-columns: minmax(0, 1fr) auto; }
  .mid-cta .button { justify-self: end; }
}

@media (max-width: 47.99rem) {
  .mid-cta .button { width: 100%; }
  .final-cta__copy { max-width: 100%; }
  .final-cta__mark { opacity: 0.28; }
}