@font-face {
  font-family: "Satoshi";
  src: url("assets/fonts/satoshi-400.woff2") format("woff2");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Satoshi";
  src: url("assets/fonts/satoshi-500.woff2") format("woff2");
  font-style: normal;
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "Satoshi";
  src: url("assets/fonts/satoshi-700.woff2") format("woff2");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  --bybolt-ink: #10171d;
  --bybolt-graphite: #17222a;
  --bybolt-paper: #eff1f0;
  --bybolt-paper-strong: #f8f8f5;
  --bybolt-line: #cbd1d2;
  --bybolt-muted: #5f6a70;
  --bybolt-teal: #1c6672;
  --bybolt-burgundy: #6f1f2d;
  --bybolt-orange: #c46f23;
  --bybolt-container: min(1240px, calc(100% - 48px));
}

html,
body.prototype-page {
  overflow-x: clip;
}

body.prototype-page {
  color: var(--bybolt-ink);
  background: var(--bybolt-paper);
  font-family: "Satoshi", "Outfit", "Segoe UI", sans-serif;
}

.prototype-page .container {
  width: var(--bybolt-container);
}

.prototype-page .site-main {
  overflow-x: clip;
}

.prototype-page .site-header {
  inset: 14px max(24px, calc((100vw - 1240px) / 2)) auto;
  min-height: 64px;
  padding: 0 18px;
  background: rgba(7, 10, 12, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  backdrop-filter: blur(18px);
}

.prototype-page .site-header.is-scrolled,
.prototype-page .site-header.is-solid {
  min-height: 64px;
  background: rgba(10, 15, 19, 0.96);
}

.prototype-page .brand {
  min-width: 250px;
}

.prototype-page .brand-copy strong {
  font-size: 18px;
  letter-spacing: 0;
}

.prototype-page .brand small {
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.55);
  font-size: 9px;
  letter-spacing: 0;
  text-transform: lowercase;
}

.prototype-page .site-nav a {
  font-weight: 500;
}

.prototype-page .hero-editorial {
  min-height: 760px;
  height: 100svh;
  background-position: 66% center;
}

.prototype-page .hero-overlay {
  background:
    linear-gradient(90deg, rgba(2, 4, 5, 0.96) 0%, rgba(2, 4, 5, 0.72) 50%, rgba(2, 4, 5, 0.2) 76%, rgba(2, 4, 5, 0.5) 100%),
    linear-gradient(0deg, #070a0c 0%, transparent 34%, rgba(0, 0, 0, 0.32) 100%);
}

.prototype-page .hero-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.34fr);
  gap: 72px;
  align-items: end;
  align-self: stretch;
  padding: 160px 0 104px;
  text-align: left;
}

.hero-copy-block {
  align-self: center;
}

.prototype-page .hero h1 {
  max-width: 1100px;
  margin-bottom: 28px;
  font-size: clamp(56px, 6.1vw, 94px);
  font-weight: 500;
  line-height: 0.98;
}

.prototype-page .hero-copy {
  max-width: 650px;
  margin: 0 0 34px;
  font-size: 19px;
}

.prototype-page .hero-actions {
  justify-content: flex-start;
}

.hero-slogan {
  max-width: 260px;
  margin: 0 0 12px;
  color: rgba(255, 255, 255, 0.62);
  font-size: 25px;
  font-weight: 400;
  line-height: 1.05;
}

.prototype-page .scroll-cue {
  right: max(24px, calc((100vw - 1240px) / 2));
  left: auto;
}

.dark-light-transition {
  position: relative;
  height: 34svh;
  min-height: 260px;
  color: #fff;
  background: linear-gradient(180deg, #070a0c 0%, #242b2e 32%, #8b9291 66%, var(--bybolt-paper) 100%);
  overflow: hidden;
}

.transition-marquee {
  position: absolute;
  right: 0;
  bottom: 70px;
  left: 0;
  overflow: hidden;
}

.transition-track {
  display: flex;
  width: max-content;
  align-items: center;
  gap: 24px;
  animation: bybolt-marquee 36s linear infinite;
}

.transition-track span {
  color: rgba(255, 255, 255, 0.68);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
}

.transition-track i {
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  background: var(--bybolt-orange);
  border-radius: 50%;
}

@keyframes bybolt-marquee {
  to { transform: translateX(-50%); }
}

.prototype-page .light-chapter {
  color: var(--bybolt-ink);
  background: var(--bybolt-paper);
}

.prototype-page .section {
  padding: 150px 0;
}

.prototype-page .eyebrow.dark {
  color: var(--bybolt-teal);
}

.prototype-page .section-heading h2,
.prototype-page .story-copy h2,
.prototype-page .capability-light-copy h2,
.prototype-page .certificate-copy h2,
.prototype-page .process-heading h2 {
  color: var(--bybolt-ink);
  font-size: clamp(42px, 4.3vw, 66px);
  font-weight: 500;
  line-height: 1.02;
}

.story-section {
  min-height: 82svh;
  display: flex;
  align-items: center;
  padding-top: 80px !important;
}

.story-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  gap: 92px;
  align-items: center;
}

.story-copy h2 {
  max-width: 560px;
}

.story-copy h2 em {
  display: block;
  color: var(--bybolt-burgundy);
  font-family: Georgia, "Times New Roman", serif;
  font-weight: 400;
}

.story-copy > p:not(.eyebrow) {
  max-width: 610px;
  color: var(--bybolt-muted);
  font-size: 18px;
}

.story-lead {
  color: var(--bybolt-ink) !important;
  font-size: 21px !important;
}

.story-media,
.certificate-media {
  margin: 0;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 28px 70px rgba(19, 29, 34, 0.14);
}

.story-media {
  height: min(660px, 68svh);
}

.story-media img,
.certificate-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.story-media img {
  object-position: 63% center;
}

.product-gallery-section {
  background: var(--bybolt-paper-strong) !important;
}

.prototype-page .section-heading.split {
  align-items: end;
}

.prototype-page .section-heading.split h2 {
  max-width: 900px;
}

.inline-heading-image {
  display: inline-block;
  width: 136px;
  height: 50px;
  margin: 0 5px;
  vertical-align: -8px;
  background: #d7dbdc url("assets/products/nickel-alloy-hex-bolts.png") 56% 58% / 180% auto no-repeat;
  border: 1px solid var(--bybolt-line);
  border-radius: 999px;
}

.product-image-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 14px;
}

.image-product-card {
  position: relative;
  min-height: 500px;
  grid-column: span 6;
  color: #fff;
  background: var(--bybolt-graphite);
  border-radius: 8px;
  overflow: hidden;
}

.image-product-card-wide {
  min-height: 420px;
  grid-column: span 12;
}

.image-product-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(5, 8, 10, 0.92), rgba(5, 8, 10, 0.04) 66%);
}

.image-product-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 750ms cubic-bezier(0.16, 1, 0.3, 1), filter 500ms ease;
}

.image-product-card:hover img,
.image-product-card:focus-visible img {
  transform: scale(1.055);
  filter: contrast(1.05);
}

.image-product-card > div {
  position: absolute;
  right: 30px;
  bottom: 30px;
  left: 30px;
  z-index: 2;
}

.image-product-card span,
.capability-rows span {
  color: #e09a53;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.image-product-card h3 {
  margin: 9px 0 8px;
  color: #fff;
  font-size: 34px;
  font-weight: 500;
}

.image-product-card p {
  max-width: 520px;
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
}

.image-product-card b {
  position: absolute;
  right: 0;
  bottom: 0;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
}

.capability-light-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.78fr) minmax(0, 1.22fr);
  gap: 110px;
  align-items: start;
}

.capability-light-copy {
  position: sticky;
  top: 112px;
}

.capability-light-copy p:not(.eyebrow) {
  max-width: 550px;
  color: var(--bybolt-muted);
  font-size: 18px;
}

.dark-button {
  color: #fff;
  background: var(--bybolt-ink);
}

.dark-button:hover {
  background: var(--bybolt-burgundy);
}

.capability-rows {
  border-top: 1px solid var(--bybolt-line);
}

.capability-rows article {
  min-height: 210px;
  padding: 34px 12px;
  border-bottom: 1px solid var(--bybolt-line);
}

.capability-rows h3 {
  max-width: 680px;
  margin: 28px 0 10px;
  font-size: 30px;
  font-weight: 500;
}

.capability-rows p {
  max-width: 610px;
  margin: 0;
  color: var(--bybolt-muted);
}

.certificate-section {
  background: #e7ebeb !important;
}

.certificate-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.76fr) minmax(520px, 1.24fr);
  gap: 86px;
  align-items: center;
}

.certificate-copy > p:not(.eyebrow) {
  color: var(--bybolt-muted);
  font-size: 18px;
}

.certificate-media {
  height: 650px;
}

.certificate-media img {
  object-position: center;
}

.prototype-page .industries-section {
  background: var(--bybolt-paper) !important;
}

.prototype-page .industry-accordion {
  min-height: 620px;
  border-color: #aeb7ba;
}

.prototype-page .industry-panel h3 {
  color: #fff;
  font-size: 28px;
}

.process-journey {
  padding-bottom: 190px !important;
  background: var(--bybolt-paper-strong) !important;
}

.process-journey-grid {
  display: grid;
  grid-template-columns: minmax(420px, 0.9fr) minmax(0, 1.1fr);
  column-gap: 96px;
  row-gap: 0;
  align-items: start;
}

.process-heading {
  grid-column: 1;
  grid-row: 1;
  max-width: 570px;
  margin-bottom: 54px;
}

.process-heading > p:last-child {
  max-width: 500px;
  color: var(--bybolt-muted);
}

.process-image-list,
.process-card-list {
  display: grid;
  grid-auto-rows: 720px;
  gap: 16vh;
  padding-bottom: calc(52vh + 220px);
  isolation: isolate;
}

.process-image-list {
  grid-column: 1;
  grid-row: 2;
}

.process-card-list {
  grid-column: 2;
  grid-row: 2;
}

.process-image {
  --image-index: 0;
  position: sticky;
  top: 104px;
  z-index: calc(10 + var(--image-index));
  height: 430px;
  margin: 0;
  align-self: start;
  opacity: 1;
  background: #d8dddc;
  border: 1px solid var(--bybolt-line);
  border-radius: 8px;
  box-shadow: 0 20px 48px rgba(25, 35, 40, 0.08);
  overflow: hidden;
}

.process-image:nth-child(2) { --image-index: 1; }
.process-image:nth-child(3) { --image-index: 2; }
.process-image:nth-child(4) { --image-index: 3; }
.process-image:nth-child(5) { --image-index: 4; }

.process-image.is-active {
  border-color: rgba(22, 83, 86, 0.62);
  box-shadow: 0 24px 56px rgba(25, 35, 40, 0.12);
}

.process-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.process-card {
  --stack-index: 0;
  position: sticky;
  top: calc(104px + var(--stack-index) * 72px);
  z-index: calc(10 + var(--stack-index));
  min-height: 300px;
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  grid-template-rows: 58px 1fr;
  align-items: start;
  align-self: start;
  padding: 24px 30px 32px;
  color: var(--bybolt-ink);
  background: #fff;
  border: 1px solid var(--bybolt-line);
  border-radius: 8px;
  box-shadow: 0 20px 48px rgba(25, 35, 40, 0.08);
  transition: border-color 260ms ease, box-shadow 260ms ease;
}

.process-card:nth-child(2) { --stack-index: 1; background: #fdfdfb; }
.process-card:nth-child(3) { --stack-index: 2; background: #fbfcfa; }
.process-card:nth-child(4) { --stack-index: 3; background: #fafbf9; }
.process-card:nth-child(5) { --stack-index: 4; background: #f8faf8; }

.process-card.is-active {
  border-color: rgba(22, 83, 86, 0.62);
  box-shadow: 0 24px 56px rgba(25, 35, 40, 0.12);
}

.process-card + .process-card {
  margin-top: 0;
}

.process-card:not(:last-child) {
  margin-bottom: 0;
}

.process-card > span {
  grid-column: 1;
  grid-row: 1;
  align-self: center;
  color: var(--bybolt-orange);
  font-size: 12px;
  font-weight: 700;
}

.process-card h3 {
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  margin: 0;
  font-size: 28px;
  font-weight: 500;
  line-height: 1.05;
}

.process-card p {
  grid-column: 2;
  grid-row: 2;
  max-width: 560px;
  margin: 24px 0 0;
  color: var(--bybolt-muted);
  font-size: 17px;
}

.final-action {
  min-height: 86svh;
  display: flex;
  align-items: center;
  background: #e3e7e6 !important;
  border-top: 1px solid var(--bybolt-line);
}

.final-action-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 100px;
  align-items: center;
}

.final-action h2 {
  max-width: 880px;
  margin-bottom: 28px;
  color: var(--bybolt-ink);
  font-size: clamp(52px, 6vw, 88px);
  font-weight: 500;
  line-height: 0.98;
}

.final-action p:not(.eyebrow) {
  max-width: 720px;
  color: var(--bybolt-muted);
  font-size: 18px;
}

.final-action-links {
  display: grid;
  gap: 20px;
  text-align: center;
}

.final-action-links .button {
  min-height: 66px;
}

.final-action-links > a:last-child {
  color: var(--bybolt-teal);
  font-weight: 700;
}

.prototype-page .light-footer {
  color: var(--bybolt-ink);
  background: var(--bybolt-paper-strong);
  border-top: 1px solid var(--bybolt-line);
}

.prototype-page .light-footer .footer-grid > div > span,
.prototype-page .light-footer .footer-grid > div > strong {
  color: var(--bybolt-ink);
}

.prototype-page .light-footer p,
.prototype-page .light-footer a,
.prototype-page .light-footer .footer-bottom {
  color: var(--bybolt-muted);
}

/* Shared catalogue and detail pages */
.content-page {
  min-height: 100vh;
  padding-top: 132px;
  background: var(--bybolt-paper);
}

.content-page .site-header {
  background: rgba(10, 15, 19, 0.96);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 42px;
  color: var(--bybolt-muted);
  font-size: 13px;
}

.breadcrumb a:hover {
  color: var(--bybolt-teal);
}

.page-intro {
  padding: 74px 0 100px;
}

.page-intro-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.42fr);
  gap: 80px;
  align-items: end;
}

.page-intro h1 {
  max-width: 1020px;
  margin: 0;
  color: var(--bybolt-ink);
  font-size: clamp(54px, 6vw, 88px);
  font-weight: 500;
  line-height: 0.98;
}

.page-intro p:not(.eyebrow) {
  margin: 0;
  color: var(--bybolt-muted);
  font-size: 18px;
}

.catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 16px;
  padding-bottom: 150px;
}

.catalog-card {
  background: #fff;
  border: 1px solid var(--bybolt-line);
  border-radius: 8px;
  overflow: hidden;
}

.catalog-card-wide {
  grid-column: span 2;
}

.catalog-card-media {
  height: 420px;
  overflow: hidden;
}

.catalog-card-wide .catalog-card-media {
  height: 500px;
}

.catalog-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
}

.catalog-card:hover img,
.catalog-card:focus-within img {
  transform: scale(1.05);
}

.catalog-card-copy {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 30px;
  padding: 30px;
  align-items: end;
}

.catalog-card h2,
.catalog-card h3 {
  margin-bottom: 10px;
  color: var(--bybolt-ink);
  font-size: 32px;
  font-weight: 500;
}

.catalog-card p {
  max-width: 620px;
  margin: 0;
  color: var(--bybolt-muted);
}

.circle-link {
  display: grid;
  width: 48px;
  height: 48px;
  place-items: center;
  color: #fff;
  background: var(--bybolt-ink);
  border-radius: 50%;
}

.detail-hero {
  padding: 56px 0 120px;
}

.detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(520px, 1.22fr);
  gap: 70px;
  align-items: center;
}

.detail-hero h1 {
  max-width: 690px;
  color: var(--bybolt-ink);
  font-size: clamp(50px, 5.4vw, 80px);
  font-weight: 500;
  line-height: 0.98;
}

.detail-hero-copy > p:not(.eyebrow) {
  max-width: 620px;
  color: var(--bybolt-muted);
  font-size: 19px;
}

.detail-media {
  height: 650px;
  margin: 0;
  background: #dce0e0;
  border-radius: 8px;
  overflow: hidden;
}

.detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.specification-section {
  padding: 130px 0;
  background: var(--bybolt-paper-strong);
}

.specification-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.5fr) minmax(0, 1fr);
  gap: 100px;
  align-items: start;
}

.specification-grid h2 {
  color: var(--bybolt-ink);
  font-size: 48px;
  font-weight: 500;
}

.spec-list {
  margin: 0;
  border-top: 1px solid var(--bybolt-line);
}

.spec-list > div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 30px;
  padding: 24px 0;
  border-bottom: 1px solid var(--bybolt-line);
}

.spec-list dt {
  color: var(--bybolt-muted);
}

.spec-list dd {
  margin: 0;
  font-weight: 500;
}

.material-overview-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 14px;
  padding-bottom: 150px;
}

.material-overview-card {
  min-height: 440px;
  grid-column: span 6;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 38px;
  color: #fff;
  background: var(--bybolt-graphite);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
}

.material-overview-card:nth-child(2) { background: #26434a; }
.material-overview-card:nth-child(3) { background: var(--bybolt-burgundy); }
.material-overview-card:nth-child(4) { background: #3f484b; }

.material-overview-card h2 {
  max-width: 520px;
  margin: 0;
  color: #fff;
  font-size: 46px;
  font-weight: 500;
}

.material-overview-card p {
  max-width: 520px;
  color: rgba(255, 255, 255, 0.7);
}

@media (max-width: 1060px) {
  .prototype-page .site-header { inset: 10px 20px auto; }
  .prototype-page .site-nav { top: 84px; }
  .prototype-page .hero-content { grid-template-columns: 1fr; }
  .hero-slogan { display: none; }
  .story-grid,
  .certificate-grid,
  .detail-hero-grid { grid-template-columns: 1fr; }
  .story-media,
  .certificate-media,
  .detail-media { height: 560px; }
  .capability-light-grid { grid-template-columns: 1fr; gap: 64px; }
  .capability-light-copy { position: relative; top: auto; }
  .process-journey-grid { grid-template-columns: minmax(330px, 0.82fr) minmax(0, 1.18fr); gap: 54px; }
  .process-image-stack { height: 360px; }
  .final-action-grid { grid-template-columns: 1fr; }
  .final-action-links { max-width: 420px; }
  .specification-grid { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 760px) {
  :root { --bybolt-container: min(100% - 32px, 1240px); }
  .prototype-page .site-header { inset: 8px 10px auto; padding: 0 10px; }
  .prototype-page .brand { min-width: 0; }
  .prototype-page .brand small { display: none; }
  .prototype-page .site-nav { top: 80px; }
  .prototype-page .section { padding: 88px 0; }
  .prototype-page .hero-editorial { min-height: 720px; height: 92svh; }
  .prototype-page .hero-content { min-height: 92svh; justify-content: center; padding: 124px 0 78px; }
  .prototype-page .hero h1 { font-size: 43px; line-height: 1.02; }
  .prototype-page .hero-copy { font-size: 16px; }
  .prototype-page .hero-actions { display: grid; width: 100%; }
  .prototype-page .scroll-cue { display: none; }
  .dark-light-transition { height: 250px; min-height: 250px; }
  .transition-marquee { bottom: 54px; }
  .story-section { min-height: 0; padding-top: 40px !important; }
  .story-grid { gap: 42px; }
  .story-media,
  .certificate-media,
  .detail-media { height: 360px; }
  .prototype-page .section-heading.split,
  .page-intro-grid { grid-template-columns: 1fr; gap: 28px; }
  .inline-heading-image { width: 88px; height: 34px; vertical-align: -6px; }
  .product-image-grid,
  .catalog-grid { grid-template-columns: 1fr; }
  .image-product-card,
  .image-product-card-wide,
  .catalog-card-wide { min-height: 430px; grid-column: auto; }
  .image-product-card > div { right: 22px; bottom: 22px; left: 22px; }
  .image-product-card h3 { font-size: 28px; }
  .certificate-grid { gap: 44px; }
  .prototype-page .industry-accordion { min-height: 0; }
  .process-journey-grid { grid-template-columns: 1fr; row-gap: 16px; }
  .process-heading { grid-column: 1; grid-row: auto; margin-bottom: 28px; }
  .process-image-list,
  .process-card-list { display: contents; }
  .process-image {
    position: relative;
    top: auto;
    z-index: auto;
    height: 320px;
  }
  .process-card {
    position: relative;
    top: auto;
    z-index: auto;
    min-height: 220px;
    display: block;
    padding: 28px 22px;
  }
  .process-card + .process-card { margin-top: 0; }
  .process-card:not(:last-child) { margin-bottom: 0; }
  .process-card h3 { margin-top: 34px; font-size: 27px; }
  .process-card p { margin-top: 12px; }
  .process-image:nth-child(1) { order: 1; }
  .process-card:nth-child(1) { order: 2; }
  .process-image:nth-child(2) { order: 3; }
  .process-card:nth-child(2) { order: 4; }
  .process-image:nth-child(3) { order: 5; }
  .process-card:nth-child(3) { order: 6; }
  .process-image:nth-child(4) { order: 7; }
  .process-card:nth-child(4) { order: 8; }
  .process-image:nth-child(5) { order: 9; }
  .process-card:nth-child(5) { order: 10; }
  .final-action { min-height: 760px; }
  .final-action h2 { font-size: 43px; }
  .page-intro { padding: 48px 0 76px; }
  .page-intro h1 { font-size: 48px; }
  .catalog-card-media,
  .catalog-card-wide .catalog-card-media { height: 340px; }
  .catalog-card-copy { grid-template-columns: 1fr; }
  .material-overview-grid { grid-template-columns: 1fr; }
  .material-overview-card { min-height: 360px; grid-column: auto; }
  .spec-list > div { grid-template-columns: 1fr; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  .transition-track { animation: none; }
  .process-image,
  .image-product-card img { transition: none; }
}

.not-found-page {
  min-height: 100svh;
  display: grid;
  align-items: center;
  color: var(--bybolt-ink);
  background: var(--bybolt-paper-strong);
}

.not-found-page h1 {
  max-width: 900px;
  margin: 18px 0 28px;
  font-size: clamp(48px, 7vw, 96px);
  font-weight: 500;
  line-height: 0.98;
}

.not-found-page p:not(.eyebrow) {
  max-width: 680px;
  color: var(--bybolt-muted);
  font-size: 18px;
}

/* Data-driven product catalogue */
.product-directory-page,
.category-product-page,
.product-detail-page {
  --product-dark: #11191f;
  --product-blue: #246d77;
  --product-accent: #c8752c;
  background: #eef0ef;
}

.product-directory-hero {
  position: relative;
  min-height: 82svh;
  display: flex;
  align-items: flex-end;
  padding: 170px 0 92px;
  overflow: hidden;
}

.product-directory-hero::after {
  content: "06";
  position: absolute;
  right: -0.03em;
  bottom: -0.28em;
  z-index: 0;
  color: rgba(16, 23, 29, 0.055);
  font-size: min(42vw, 650px);
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.product-directory-hero .container {
  position: relative;
  z-index: 1;
}

.directory-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 0.33fr);
  gap: 84px;
  align-items: end;
}

.directory-hero-grid h1 {
  max-width: 930px;
  margin: 0;
  color: var(--bybolt-ink);
  font-size: clamp(54px, 6.3vw, 94px);
  font-weight: 500;
  line-height: 0.98;
}

.directory-hero-aside {
  padding: 28px 0 8px;
  border-top: 1px solid var(--bybolt-ink);
}

.directory-hero-aside > span {
  display: block;
  margin-bottom: 56px;
  color: var(--bybolt-orange);
  font-size: 13px;
  font-weight: 700;
}

.directory-hero-aside p {
  margin-bottom: 26px;
  color: var(--bybolt-muted);
  font-size: 16px;
}

.product-marquee {
  overflow: hidden;
  color: #fff;
  background: var(--product-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.product-marquee-track {
  width: max-content;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 18px 0;
  animation: bybolt-marquee 34s linear infinite;
}

.product-marquee span {
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  white-space: nowrap;
}

.product-marquee i {
  width: 5px;
  height: 5px;
  flex: 0 0 5px;
  background: var(--product-accent);
  border-radius: 50%;
}

.product-family-section {
  padding: 18px 0 150px;
}

.product-family-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: dense;
  gap: 12px;
}

.product-family-card {
  position: relative;
  min-height: 500px;
  grid-column: span 4;
  color: #fff;
  background: var(--product-dark);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 6px;
  overflow: hidden;
  isolation: isolate;
}

.product-family-card img,
.model-card-media img,
.technical-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 850ms cubic-bezier(0.16, 1, 0.3, 1), filter 500ms ease;
}

.product-family-card img {
  position: absolute;
  inset: 0;
  z-index: -2;
  filter: saturate(0.72) contrast(1.04);
}

.product-family-shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(10, 16, 20, 0.08) 18%, rgba(10, 16, 20, 0.94) 90%);
}

.product-family-number {
  position: absolute;
  top: 24px;
  right: 24px;
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  color: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(255, 255, 255, 0.36);
  border-radius: 50%;
  font-size: 11px;
}

.product-family-copy {
  position: absolute;
  right: 30px;
  bottom: 30px;
  left: 30px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-family-copy small {
  margin-bottom: 12px;
  color: #d9a06c;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.product-family-copy strong {
  font-size: clamp(32px, 3vw, 46px);
  font-weight: 500;
  line-height: 1;
}

.product-family-copy em {
  min-height: 66px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 15px;
  font-style: normal;
}

.product-family-copy b {
  margin-top: 24px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.5);
  font-size: 13px;
}

.product-family-card:hover img,
.product-family-card:focus-visible img {
  transform: scale(1.055);
  filter: saturate(0.92) contrast(1.08);
}

.category-hero {
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 150px 0 72px;
  background: #e7eae8;
}

.category-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.74fr) minmax(520px, 1.26fr);
  gap: 72px;
  align-items: end;
}

.category-hero h1 {
  margin: 0 0 28px;
  color: var(--bybolt-ink);
  font-size: clamp(74px, 9vw, 140px);
  font-weight: 500;
  line-height: 0.86;
}

.category-hero-grid > div > p:not(.eyebrow) {
  max-width: 600px;
  color: var(--bybolt-muted);
  font-size: 19px;
}

.category-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: center;
  margin-top: 38px;
}

.category-hero figure {
  height: min(66svh, 720px);
  margin: 0;
  overflow: hidden;
  border-radius: 6px;
}

.category-hero figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.model-chapters {
  background: #f4f5f2;
}

.model-chapter {
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 90px 0;
  border-bottom: 1px solid var(--bybolt-line);
}

.model-pair {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.model-card {
  min-width: 0;
  display: grid;
  grid-template-rows: minmax(260px, 0.94fr) auto;
  background: #fff;
  border: 1px solid var(--bybolt-line);
  border-radius: 6px;
  overflow: hidden;
}

.model-card-media {
  position: relative;
  min-height: 330px;
  overflow: hidden;
  background: #d9dddc;
}

.model-card-media > span {
  position: absolute;
  top: 20px;
  right: 20px;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  color: #fff;
  background: rgba(11, 17, 21, 0.74);
  border-radius: 50%;
  font-size: 11px;
}

.model-card:hover .model-card-media img,
.model-card:focus-within .model-card-media img {
  transform: scale(1.045);
}

.model-card-copy {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(210px, 0.55fr);
  gap: 28px;
  padding: 28px;
  align-items: end;
}

.model-card-copy h2 {
  margin: 0 0 10px;
  color: var(--bybolt-ink);
  font-size: clamp(30px, 3vw, 43px);
  font-weight: 500;
  line-height: 1;
}

.model-card-copy p:not(.eyebrow) {
  margin: 0;
  color: var(--bybolt-muted);
}

.model-card-copy dl {
  margin: 0;
  border-top: 1px solid var(--bybolt-line);
}

.model-card-copy dl > div {
  padding: 10px 0;
  border-bottom: 1px solid var(--bybolt-line);
}

.model-card-copy dt {
  color: var(--bybolt-muted);
  font-size: 11px;
  text-transform: uppercase;
}

.model-card-copy dd {
  margin: 2px 0 0;
  color: var(--bybolt-ink);
  font-size: 13px;
}

.model-card-link {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  padding-top: 17px;
  color: var(--bybolt-teal);
  border-top: 1px solid var(--bybolt-line);
  font-size: 13px;
  font-weight: 700;
}

.category-end {
  padding: 48px 0 140px;
  background: #f4f5f2;
}

.category-end .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding-top: 28px;
  border-top: 1px solid var(--bybolt-ink);
}

.category-end p {
  color: var(--bybolt-muted);
  font-size: 13px;
  text-transform: uppercase;
}

.technical-hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: flex-end;
  padding: 146px 0 72px;
  background: #eceeec;
  overflow: hidden;
}

.technical-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(520px, 1.28fr);
  gap: 76px;
  align-items: center;
}

.technical-hero-copy {
  position: relative;
  z-index: 2;
}

.technical-hero h1 {
  max-width: 760px;
  margin: 0 0 28px;
  color: var(--bybolt-ink);
  font-size: clamp(58px, 7vw, 104px);
  font-weight: 500;
  line-height: 0.92;
}

.technical-hero-copy > p:not(.eyebrow) {
  max-width: 630px;
  color: var(--bybolt-muted);
  font-size: 19px;
}

.technical-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 26px;
  align-items: center;
  margin-top: 36px;
}

.technical-hero-actions > a:not(.button) {
  color: var(--bybolt-teal);
  font-size: 14px;
  font-weight: 700;
}

.technical-hero-media {
  position: relative;
  height: min(70svh, 760px);
  margin: 0;
  background: #d7dbda;
  border-radius: 6px;
  overflow: hidden;
}

.technical-hero-media figcaption {
  position: absolute;
  right: 18px;
  bottom: 18px;
  left: 18px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 13px 16px;
  color: rgba(255, 255, 255, 0.8);
  background: rgba(9, 14, 18, 0.76);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 4px;
  backdrop-filter: blur(12px);
  font-size: 11px;
  text-transform: uppercase;
}

.technical-hero-index {
  position: absolute;
  top: -0.48em;
  right: -0.18em;
  z-index: 0;
  color: rgba(16, 23, 29, 0.05);
  font-size: 420px;
  font-weight: 700;
  line-height: 1;
  pointer-events: none;
}

.technical-specs {
  background: #f7f7f4;
}

.technical-specs aside {
  align-self: start;
}

.technical-specs aside p:last-child {
  max-width: 420px;
  color: var(--bybolt-muted);
}

.scrub-word {
  opacity: 0.65;
}

.weight-section {
  padding: 140px 0;
  color: #fff;
  background: var(--product-dark);
}

.weight-grid {
  display: grid;
  grid-template-columns: minmax(300px, 0.66fr) minmax(0, 1.34fr);
  gap: 100px;
  align-items: start;
}

.weight-grid h2 {
  max-width: 650px;
  margin: 0 0 26px;
  color: #fff;
  font-size: clamp(48px, 5.3vw, 78px);
  font-weight: 500;
  line-height: 0.98;
}

.weight-grid > div > p:not(.eyebrow) {
  max-width: 580px;
  color: rgba(255, 255, 255, 0.66);
}

.weight-flow {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255, 255, 255, 0.28);
}

.weight-flow li {
  display: grid;
  grid-template-columns: 44px minmax(150px, 0.46fr) 1fr;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.weight-flow span {
  color: #e5a46c;
  font-size: 12px;
}

.weight-flow strong {
  font-weight: 500;
}

.weight-flow p {
  margin: 0;
  color: rgba(255, 255, 255, 0.6);
}

.related-products {
  padding: 140px 0;
  background: #e7eae8;
  overflow: hidden;
}

.related-heading {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  align-items: end;
  margin-bottom: 48px;
}

.related-heading h2 {
  margin: 0;
  color: var(--bybolt-ink);
  font-size: clamp(44px, 5vw, 70px);
  font-weight: 500;
  line-height: 1;
}

.carousel-controls {
  display: flex;
  gap: 8px;
}

.carousel-controls button {
  width: 48px;
  height: 48px;
  color: var(--bybolt-ink);
  background: transparent;
  border: 1px solid var(--bybolt-ink);
  border-radius: 50%;
}

.related-product-track {
  display: grid;
  grid-auto-columns: minmax(310px, 1fr);
  grid-auto-flow: column;
  gap: 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

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

.related-product-card {
  position: relative;
  min-height: 330px;
  display: flex;
  flex-direction: column;
  padding: 30px;
  background: #fff;
  border: 1px solid var(--bybolt-line);
  border-radius: 6px;
  scroll-snap-align: start;
}

.related-product-card > span {
  color: var(--bybolt-teal);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.related-product-card strong {
  max-width: 330px;
  margin-top: auto;
  color: var(--bybolt-ink);
  font-size: 34px;
  font-weight: 500;
  line-height: 1;
}

.related-product-card p {
  color: var(--bybolt-muted);
}

.related-product-card b {
  position: absolute;
  top: 28px;
  right: 30px;
  color: var(--bybolt-orange);
  font-size: 22px;
}

@media (max-width: 1180px) {
  .product-family-card { grid-column: span 6; }
  .category-hero-grid,
  .technical-hero-grid { grid-template-columns: minmax(0, 0.8fr) minmax(420px, 1.2fr); gap: 46px; }
  .model-card-copy { grid-template-columns: 1fr; }
  .model-card-link { grid-column: auto; }
  .weight-grid { gap: 60px; }
}

@media (max-width: 820px) {
  .product-directory-hero { min-height: 0; padding: 130px 0 70px; }
  .directory-hero-grid,
  .category-hero-grid,
  .technical-hero-grid,
  .weight-grid { grid-template-columns: 1fr; }
  .directory-hero-grid { gap: 48px; }
  .directory-hero-aside > span { margin-bottom: 22px; }
  .product-family-card { min-height: 440px; grid-column: span 12; }
  .category-hero,
  .technical-hero { min-height: 0; padding: 132px 0 58px; }
  .category-hero-grid,
  .technical-hero-grid { gap: 42px; }
  .category-hero h1 { font-size: 76px; }
  .category-hero figure,
  .technical-hero-media { height: 55svh; min-height: 430px; }
  .model-chapter { min-height: 0; padding: 64px 0; }
  .model-pair { grid-template-columns: 1fr; }
  .model-card + .model-card { margin-top: 18px; }
  .weight-flow li { grid-template-columns: 36px 1fr; }
  .weight-flow p { grid-column: 2; }
  .technical-hero-index { display: none; }
  .technical-specs aside { position: static !important; transform: none !important; }
}

@media (max-width: 520px) {
  .directory-hero-grid h1 { font-size: 47px; }
  .product-family-section { padding-bottom: 96px; }
  .product-family-copy { right: 22px; bottom: 24px; left: 22px; }
  .product-family-copy em { min-height: 0; }
  .category-hero h1 { font-size: 60px; }
  .category-hero-actions,
  .technical-hero-actions { display: grid; align-items: stretch; }
  .category-hero figure,
  .technical-hero-media { height: 390px; min-height: 0; }
  .model-card-media { min-height: 260px; }
  .model-card-copy { padding: 24px 20px; }
  .technical-hero h1 { font-size: 51px; }
  .technical-hero-media figcaption { flex-direction: column; gap: 3px; }
  .weight-section,
  .related-products { padding: 96px 0; }
  .weight-flow li { gap: 16px; }
  .related-product-track { grid-auto-columns: 86%; }
  .category-end .container { align-items: flex-start; flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) {
  .product-marquee-track { animation: none; }
  .scrub-word { opacity: 1; }
  .product-family-card img,
  .model-card-media img,
  .technical-hero-media img { transition: none; }
}