:root {
  color-scheme: dark;
  --black: #080a09;
  --graphite: #101412;
  --graphite-2: #171d1a;
  --steel: #7f8983;
  --titanium: #b8c0b9;
  --off-white: #eef1eb;
  --paper: #f4f2ea;
  --muted: #9aa39d;
  --line: rgba(238, 241, 235, 0.14);
  --line-strong: rgba(238, 241, 235, 0.28);
  --orange: #ff6a1a;
  --lime: #b8ff2d;
  --blue: #28a7ff;
  --danger: #ff9b68;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 8px;
  --shell: min(1180px, calc(100% - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  overflow-x: clip;
  background: var(--black);
  color: var(--off-white);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
  text-rendering: optimizeLegibility;
}

body.nav-open,
body.cart-open {
  overflow: hidden;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  color: inherit;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 1000;
  transform: translateY(-140%);
  background: var(--lime);
  color: var(--black);
  padding: 10px 14px;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: var(--shell);
  margin-inline: auto;
}

.section-pad {
  padding: 96px 0;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--lime);
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  line-height: 0.95;
  letter-spacing: 0;
}

h1 {
  max-width: 760px;
  margin-bottom: 24px;
  font-size: 5.2rem;
  font-weight: 900;
}

h2 {
  margin-bottom: 22px;
  font-size: 3.2rem;
  font-weight: 900;
}

h3 {
  font-size: 1.22rem;
  font-weight: 850;
}

p {
  color: var(--titanium);
}

.button {
  display: inline-flex;
  min-height: 46px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 12px 18px;
  background: rgba(238, 241, 235, 0.04);
  color: var(--off-white);
  font-weight: 800;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(238, 241, 235, 0.42);
}

.button-primary {
  border-color: var(--orange);
  background: var(--orange);
  color: var(--black);
}

.button-secondary {
  background: rgba(8, 10, 9, 0.58);
  backdrop-filter: blur(16px);
}

.button-compact {
  min-height: 40px;
  padding: 9px 12px;
  font-size: 0.88rem;
}

.button-dark {
  background: var(--black);
  color: var(--off-white);
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 16px 28px;
  border-bottom: 1px solid rgba(238, 241, 235, 0.08);
  background: rgba(8, 10, 9, 0.72);
  backdrop-filter: blur(18px);
  transition: background 180ms ease, padding 180ms ease;
}

.site-header.is-scrolled {
  padding-block: 10px;
  background: rgba(8, 10, 9, 0.92);
}

.brand-mark {
  display: flex;
  width: 190px;
  height: 44px;
  align-items: center;
}

.brand-mark img {
  width: 100%;
  max-height: 38px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
}

.site-nav a {
  border-radius: var(--radius);
  padding: 8px 10px;
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 750;
  transition: background 180ms ease, color 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: rgba(238, 241, 235, 0.08);
  color: var(--off-white);
}

.cart-button,
.mobile-cart-button,
.nav-toggle {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(238, 241, 235, 0.06);
  cursor: pointer;
}

.cart-button,
.mobile-cart-button {
  display: inline-flex;
  min-height: 40px;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-weight: 850;
}

.cart-button span,
.mobile-cart-button span {
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border-radius: 50%;
  background: var(--lime);
  color: var(--black);
  font-size: 0.78rem;
}

.mobile-cart-button {
  display: none;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 10px;
}

.nav-toggle span {
  display: block;
  height: 2px;
  margin: 6px 0;
  background: var(--off-white);
}

.hero-section {
  position: relative;
  min-height: 92vh;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero-media {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(8, 10, 9, 0.94) 0%, rgba(8, 10, 9, 0.72) 34%, rgba(8, 10, 9, 0.22) 70%),
    linear-gradient(0deg, rgba(8, 10, 9, 1) 0%, rgba(8, 10, 9, 0.12) 44%),
    url("assets/images/hero-test-rig.webp") center / cover no-repeat;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding-top: 168px;
  padding-bottom: 48px;
}

.hero-copy {
  max-width: 650px;
  margin-bottom: 28px;
  color: #d9ded7;
  font-size: 1.2rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 54px;
}

.hero-metrics {
  display: grid;
  max-width: 980px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  border: 1px solid rgba(238, 241, 235, 0.12);
  background: rgba(238, 241, 235, 0.10);
}

.hero-metrics div {
  min-height: 118px;
  padding: 18px;
  background: rgba(8, 10, 9, 0.78);
}

.hero-metrics dt {
  margin-bottom: 10px;
  color: var(--off-white);
  font-weight: 900;
}

.hero-metrics dd {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.two-column,
.conversion-layout,
.engineering-grid,
.b2b-layout,
.lab-layout,
.contact-layout,
.footer-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.positioning-section {
  background: var(--paper);
  color: var(--black);
}

.positioning-section .eyebrow {
  color: #b34213;
}

.positioning-section p {
  color: #38423c;
}

.section-copy {
  font-size: 1.08rem;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 42px;
}

.parts-section {
  background:
    linear-gradient(90deg, rgba(238, 241, 235, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(238, 241, 235, 0.04) 1px, transparent 1px),
    var(--graphite);
  background-size: 80px 80px;
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.category-card {
  min-height: 268px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(8, 10, 9, 0.58);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.category-card:hover {
  transform: translateY(-4px);
  border-color: rgba(238, 241, 235, 0.34);
  background: rgba(8, 10, 9, 0.82);
}

.category-index {
  color: var(--orange);
  font-weight: 900;
}

.category-card h3 {
  margin: auto 0 12px;
}

.category-card p {
  min-height: 84px;
  margin-bottom: 18px;
  color: var(--muted);
}

.category-card a,
.category-card button {
  width: fit-content;
  border: 0;
  border-bottom: 2px solid currentColor;
  padding: 0 0 4px;
  background: transparent;
  color: var(--off-white);
  font-weight: 850;
  cursor: pointer;
}

.category-card.accent-orange {
  border-color: rgba(255, 106, 26, 0.48);
}

.category-card.accent-lime {
  border-color: rgba(184, 255, 45, 0.42);
}

.category-card.accent-blue {
  border-color: rgba(40, 167, 255, 0.42);
}

.conversion-section {
  background: #11130f;
}

.conversion-layout {
  align-items: center;
}

.conversion-layout p {
  max-width: 610px;
  font-size: 1.08rem;
}

.ratio-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 30px 0;
  border: 1px solid var(--line);
  background: var(--line);
}

.ratio-panel div {
  min-height: 128px;
  padding: 18px;
  background: #0c0f0d;
}

.ratio-panel span,
.ratio-panel small {
  display: block;
  color: var(--muted);
}

.ratio-panel strong {
  display: block;
  margin: 10px 0;
  color: var(--off-white);
  font-size: 1.7rem;
}

.technical-figure {
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--black);
  box-shadow: var(--shadow);
}

.technical-figure img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.technical-figure figcaption {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
}

.technical-figure span {
  min-height: 54px;
  display: grid;
  place-items: center;
  background: #0c0f0d;
  color: var(--titanium);
  font-size: 0.88rem;
  font-weight: 800;
}

.engineering-section {
  background: var(--paper);
  color: var(--black);
}

.engineering-section .eyebrow {
  color: #b34213;
}

.engineering-section p {
  color: #354039;
}

.engineering-copy > p {
  font-size: 1.08rem;
}

.material-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.material-list article {
  border-left: 4px solid var(--orange);
  padding: 2px 0 2px 16px;
}

.material-list article:nth-child(2) {
  border-color: #61716a;
}

.material-list article:nth-child(3) {
  border-color: var(--blue);
}

.material-list span {
  display: block;
  margin-bottom: 5px;
  color: var(--black);
  font-weight: 900;
}

.material-list p {
  margin-bottom: 0;
}

.process-board {
  overflow: hidden;
  border: 1px solid rgba(8, 10, 9, 0.14);
  border-radius: var(--radius);
  background: #dcded7;
}

.process-board img {
  width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.process-board ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  padding: 1px;
  list-style: none;
  background: rgba(8, 10, 9, 0.14);
}

.process-board li {
  min-height: 60px;
  display: grid;
  place-items: center;
  padding: 14px;
  background: var(--paper);
  color: #1d2520;
  font-weight: 850;
  text-align: center;
}

.b2b-section {
  background:
    linear-gradient(rgba(8, 10, 9, 0.86), rgba(8, 10, 9, 0.92)),
    url("assets/images/field-test.webp") center / cover no-repeat fixed;
}

.b2b-layout {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
}

.b2b-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.b2b-cards article {
  min-height: 182px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  background: rgba(8, 10, 9, 0.76);
  backdrop-filter: blur(10px);
}

.b2b-cards h3 {
  margin-bottom: 14px;
}

.b2b-cards p {
  margin-bottom: 0;
}

.store-section {
  background: #111713;
}

.store-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.store-card {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #0b0e0c;
}

.store-media {
  position: relative;
  display: grid;
  min-height: 260px;
  place-items: center;
  background:
    linear-gradient(90deg, rgba(238, 241, 235, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(238, 241, 235, 0.04) 1px, transparent 1px),
    #161b18;
  background-size: 38px 38px;
}

.store-media img {
  width: 86%;
  height: 220px;
  object-fit: contain;
}

.stock-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  border: 1px solid rgba(184, 255, 45, 0.44);
  border-radius: 999px;
  padding: 6px 10px;
  background: rgba(8, 10, 9, 0.8);
  color: var(--lime);
  font-size: 0.72rem;
  font-weight: 900;
}

.store-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.product-meta {
  min-height: 22px;
  margin-bottom: 12px;
  color: var(--orange);
  font-size: 0.78rem;
  font-weight: 850;
  text-transform: uppercase;
}

.store-body h3 {
  margin-bottom: 12px;
}

.store-body p {
  flex: 1;
  margin-bottom: 18px;
}

.price-row {
  display: flex;
  min-height: 34px;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.price-row strong {
  color: var(--off-white);
  font-size: 1.1rem;
}

.price-row span {
  color: var(--muted);
  font-size: 0.82rem;
}

.store-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.test-lab-section {
  background: var(--black);
}

.lab-layout {
  align-items: center;
}

.lab-image {
  overflow: hidden;
  border-radius: var(--radius);
}

.lab-image img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}

.article-list {
  display: grid;
  gap: 10px;
}

.article-list article {
  display: grid;
  grid-template-columns: 48px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  border-top: 1px solid var(--line);
  padding-top: 18px;
}

.article-list span {
  color: var(--orange);
  font-weight: 900;
}

.article-list h3 {
  margin-bottom: 8px;
  font-size: 1.08rem;
}

.article-list p {
  margin-bottom: 0;
}

.contact-section {
  background: var(--paper);
  color: var(--black);
}

.contact-section .eyebrow {
  color: #b34213;
}

.contact-section p {
  color: #354039;
}

.contact-copy {
  position: sticky;
  top: 110px;
}

.contact-direct {
  display: grid;
  gap: 10px;
  margin-top: 28px;
}

.contact-direct a,
.contact-direct span {
  color: #1b241f;
  font-weight: 850;
}

.quote-form {
  border: 1px solid rgba(8, 10, 9, 0.12);
  border-radius: var(--radius);
  padding: 22px;
  background: #fffdf5;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}

label {
  display: grid;
  gap: 8px;
  color: #222b26;
  font-size: 0.86rem;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid rgba(8, 10, 9, 0.18);
  border-radius: var(--radius);
  background: #f7f5ef;
  color: var(--black);
  padding: 12px;
  outline: 0;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: #c24b18;
  box-shadow: 0 0 0 3px rgba(255, 106, 26, 0.18);
}

.file-field,
.message-field {
  grid-column: 1 / -1;
}

.form-status {
  min-height: 24px;
  margin: 14px 0 0;
  color: #294235;
  font-weight: 800;
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 32px 0;
  background: var(--black);
}

.footer-layout {
  grid-template-columns: 220px 1fr auto;
  gap: 28px;
  align-items: center;
}

.footer-layout img {
  width: 210px;
}

.footer-layout p {
  margin-bottom: 4px;
  color: var(--off-white);
  font-weight: 850;
}

.footer-layout span {
  color: var(--muted);
}

.footer-layout a {
  font-weight: 850;
}

.product-dialog {
  width: min(1080px, calc(100% - 32px));
  max-height: calc(100vh - 32px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  padding: 0;
  overflow: auto;
  background: #0b0e0c;
  color: var(--off-white);
  box-shadow: var(--shadow);
}

.product-dialog::backdrop {
  background: rgba(0, 0, 0, 0.74);
  backdrop-filter: blur(8px);
}

.dialog-close,
.cart-head button {
  position: absolute;
  width: 42px;
  height: 42px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: rgba(8, 10, 9, 0.72);
  cursor: pointer;
}

.dialog-close {
  top: 14px;
  right: 14px;
  z-index: 2;
}

.dialog-close::before,
.dialog-close::after,
.cart-head button::before,
.cart-head button::after {
  content: "";
  position: absolute;
  top: 20px;
  left: 10px;
  width: 20px;
  height: 2px;
  background: var(--off-white);
}

.dialog-close::before,
.cart-head button::before {
  transform: rotate(45deg);
}

.dialog-close::after,
.cart-head button::after {
  transform: rotate(-45deg);
}

.dialog-body {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr);
  gap: 0;
}

.product-detail-media {
  display: grid;
  min-height: 640px;
  place-items: center;
  padding: 44px;
  background:
    linear-gradient(90deg, rgba(238, 241, 235, 0.05) 1px, transparent 1px),
    linear-gradient(0deg, rgba(238, 241, 235, 0.04) 1px, transparent 1px),
    #151a17;
  background-size: 42px 42px;
}

.product-detail-media img {
  width: 100%;
  max-height: 520px;
  object-fit: contain;
}

.product-detail-content {
  padding: 52px 44px;
}

.product-detail-content h2 {
  margin-bottom: 12px;
  font-size: 2.6rem;
}

.detail-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 24px;
}

.detail-badges span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px;
  color: var(--titanium);
  font-size: 0.78rem;
  font-weight: 850;
}

.spec-table {
  width: 100%;
  margin: 24px 0;
  border-collapse: collapse;
  border: 1px solid var(--line);
}

.spec-table th,
.spec-table td {
  border-bottom: 1px solid var(--line);
  padding: 12px;
  text-align: left;
  vertical-align: top;
}

.spec-table th {
  width: 34%;
  color: var(--muted);
  font-weight: 800;
}

.spec-table td {
  color: var(--off-white);
}

.warning-note {
  border-left: 4px solid var(--danger);
  margin: 22px 0;
  padding: 10px 0 10px 14px;
  color: #ffd0bb;
  font-weight: 800;
}

.detail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.cart-drawer {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: none;
  justify-content: flex-end;
  background: rgba(0, 0, 0, 0.56);
}

.cart-drawer.is-open {
  display: flex;
}

.cart-panel {
  width: min(440px, 100%);
  min-height: 100%;
  padding: 24px;
  background: #0b0e0c;
  box-shadow: var(--shadow);
}

.cart-head {
  position: relative;
  display: flex;
  min-height: 48px;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 22px;
}

.cart-head h2 {
  margin: 0;
  font-size: 1.6rem;
}

.cart-head button {
  position: relative;
  right: 0;
  top: 0;
}

.cart-items {
  display: grid;
  gap: 10px;
  margin-bottom: 20px;
}

.cart-item {
  display: grid;
  grid-template-columns: 62px 1fr auto;
  gap: 12px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 10px;
}

.cart-item img {
  width: 62px;
  height: 62px;
  object-fit: contain;
  border-radius: 6px;
  background: #171d1a;
}

.cart-item h3 {
  margin: 0 0 4px;
  font-size: 0.92rem;
}

.cart-item span {
  color: var(--muted);
  font-size: 0.82rem;
}

.qty-controls {
  display: grid;
  grid-template-columns: 32px 30px 32px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.qty-controls button {
  height: 32px;
  border: 0;
  background: rgba(238, 241, 235, 0.08);
  cursor: pointer;
}

.qty-controls strong {
  text-align: center;
}

.cart-total {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 18px;
  margin-bottom: 18px;
}

.cart-panel > p {
  font-size: 0.86rem;
}

@media (max-width: 1080px) {
  h1 {
    font-size: 4rem;
  }

  h2 {
    font-size: 2.7rem;
  }

  .site-header {
    grid-template-columns: auto auto auto;
    justify-content: space-between;
  }

  .nav-toggle {
    display: block;
    order: 3;
  }

  .cart-button {
    order: 2;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    left: 16px;
    right: 16px;
    display: none;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: rgba(8, 10, 9, 0.96);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .two-column,
  .conversion-layout,
  .engineering-grid,
  .b2b-layout,
  .lab-layout,
  .contact-layout,
  .dialog-body {
    grid-template-columns: 1fr;
  }

  .contact-copy {
    position: static;
  }

  .product-detail-media {
    min-height: 420px;
  }
}

@media (max-width: 720px) {
  :root {
    --shell: min(1180px, calc(100% - 28px));
  }

  .section-pad {
    padding: 68px 0;
  }

  h1 {
    max-width: 100%;
    width: min(100%, 350px);
    font-size: 2.7rem;
  }

  h2 {
    max-width: 100%;
    width: min(100%, 350px);
    overflow-wrap: break-word;
    font-size: 2.2rem;
  }

  .site-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
  }

  .brand-mark {
    width: 124px;
    min-width: 0;
  }

  .site-header .cart-button {
    display: none;
  }

  .mobile-cart-button {
    position: fixed;
    right: 14px;
    bottom: 14px;
    z-index: 120;
    display: inline-flex;
    min-height: 40px;
    padding: 8px 10px;
    background: rgba(8, 10, 9, 0.9);
    font-size: 0.86rem;
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.42);
  }

  .nav-toggle {
    display: block;
    order: 2;
    margin-left: auto;
    width: 38px;
    height: 38px;
    padding: 8px;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    left: 14px;
    right: 14px;
    display: none;
  }

  .site-nav.is-open {
    display: grid;
    grid-template-columns: 1fr;
  }

  .hero-copy {
    max-width: 350px;
  }

  .hero-section {
    min-height: 86vh;
  }

  .hero-media {
    background:
      linear-gradient(90deg, rgba(8, 10, 9, 0.96) 0%, rgba(8, 10, 9, 0.68) 68%, rgba(8, 10, 9, 0.24) 100%),
      linear-gradient(0deg, rgba(8, 10, 9, 1) 0%, rgba(8, 10, 9, 0.18) 52%),
      url("assets/images/hero-test-rig.webp") 67% center / cover no-repeat;
  }

  .hero-content {
    padding-top: 128px;
  }

  .hero-copy {
    font-size: 1rem;
  }

  .hero-metrics,
  .ratio-panel,
  .category-grid,
  .b2b-cards,
  .store-grid,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics div {
    min-height: auto;
  }

  .category-card {
    min-height: 230px;
  }

  .store-actions,
  .technical-figure figcaption,
  .process-board ul {
    grid-template-columns: 1fr;
  }

  .lab-image img {
    aspect-ratio: 16 / 11;
  }

  .footer-layout {
    grid-template-columns: 1fr;
  }

  .product-dialog {
    width: calc(100% - 16px);
  }

  .product-detail-content {
    padding: 34px 22px;
  }

  .product-detail-content h2 {
    font-size: 2rem;
  }

  .product-detail-media {
    min-height: 310px;
    padding: 26px;
  }

  .spec-table th,
  .spec-table td {
    display: block;
    width: 100%;
  }

  .spec-table th {
    border-bottom: 0;
    padding-bottom: 4px;
  }

  .spec-table td {
    padding-top: 4px;
  }
}