:root {
  --bg: #11100E;
  --shop-floor: #0B0B0A;
  --catalog: #E2E0DB;
  --catalog-ink: #333333;
  --catalog-muted: #67635B;
  --surface: #171817;
  --surface-2: #20211F;
  --surface-3: #2A2D2C;
  --text: #F2F1ED;
  --muted: #AAA59B;
  --metal: #BDB6A8;
  --accent: #F0182F;
  --accent-strong: #C80024;
  --copper: #FFC928;
  --deep: #070706;
  --border: #34302F;
  --line: rgba(242, 241, 237, 0.13);
  --white: #FFFFFF;
  --mono: "IBM Plex Mono", "Consolas", monospace;
  --sans: "Arial Black", "Impact", "Inter", "Aptos", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--sans);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.02), transparent 220px),
    var(--shop-floor);
  color: var(--text);
  line-height: 1.55;
}

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

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

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

.container {
  width: min(1220px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(13, 15, 16, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.nav {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.65);
}

.brand-mark {
  width: 48px;
  height: 40px;
  border: 1px solid rgba(255, 201, 40, 0.72);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 900;
  background: linear-gradient(145deg, #3B1116, #161312 58%, #080909);
  color: var(--text);
  box-shadow: inset 0 -4px 0 rgba(255, 201, 40, 0.72), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  position: relative;
}

.brand-mark::before,
.brand-mark::after {
  content: "";
  position: absolute;
  top: 6px;
  bottom: 6px;
  width: 1px;
  background: rgba(242, 241, 237, 0.16);
}

.brand-mark::before {
  left: 7px;
}

.brand-mark::after {
  right: 7px;
}

.brand-sub {
  display: block;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 700;
  color: var(--metal);
  letter-spacing: 0.11em;
  margin-top: -3px;
}

.nav-links {
  font-family: "Inter", "Aptos", Arial, sans-serif;
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text);
}

.nav-cta {
  padding: 13px 20px;
  background: linear-gradient(180deg, #FFD84A, var(--copper));
  color: #050505;
  border: 1px solid #F4AA00;
  font-weight: 900;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.22);
}

.mobile-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 9px 11px;
  color: var(--text);
}

.hero {
  padding: 58px 0 62px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0.56) 54%, rgba(0, 0, 0, 0.86) 100%),
    url("../images/bg-classic-silhouette-garage.svg") center / cover no-repeat;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(460px, 1.18fr);
  gap: 30px;
  align-items: center;
}

.eyebrow {
  text-shadow: 0 2px 0 rgba(0, 0, 0, 0.65);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 18px;
  color: var(--copper);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 2px;
  background: var(--accent);
}

h1,
h2,
h3,
h4 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(42px, 5vw, 78px);
  text-transform: uppercase;
  max-width: 920px;
  font-weight: 900;
  line-height: 0.96;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.78), 0 8px 16px rgba(0, 0, 0, 0.42);
}

h2 {
  font-size: clamp(30px, 3.2vw, 50px);
  line-height: 1;
  text-transform: uppercase;
}

h3 {
  font-size: 22px;
}

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

.hero p {
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 18px;
  font-weight: 700;
  max-width: 610px;
  margin: 22px 0 0;
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.hero-specs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin-top: 26px;
  border: 1px solid var(--line);
  background: var(--line);
  max-width: 650px;
}

.hero-specs span {
  display: grid;
  gap: 4px;
  padding: 13px 14px;
  background: rgba(255, 255, 255, 0.035);
  color: var(--text);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.hero-specs small {
  color: var(--metal);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
}

.btn {
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  letter-spacing: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid rgba(242, 241, 237, 0.32);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-weight: 800;
  font-size: 14px;
  transition: transform 160ms ease, border-color 160ms ease, background 160ms ease;
}

.btn.primary {
  background: linear-gradient(180deg, #FFD84A, var(--copper));
  border-color: #F4AA00;
  color: #050505;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.24), 0 12px 22px rgba(0, 0, 0, 0.28);
}

.btn.light {
  border-color: rgba(242, 241, 237, 0.4);
  color: var(--white);
}

.btn:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(200, 122, 69, 0.72);
}

.btn.primary:hover {
  background: #FFD04B;
}

.hero-visual {
  border: 2px solid rgba(226, 224, 219, 0.38);
  border-radius: 22px 4px 22px 4px;
  background: #0A0B0C;
  padding: 0;
  position: relative;
  overflow: hidden;
  box-shadow: inset 0 0 0 3px rgba(255, 201, 40, 0.12), 0 30px 70px rgba(0, 0, 0, 0.48);
}

.hero-visual::after {
  content: "LS PLATFORM / BUILDER SUPPLY";
  position: absolute;
  left: 18px;
  bottom: 18px;
  padding: 9px 11px;
  background: rgba(8, 8, 8, 0.82);
  border: 1px solid rgba(242, 241, 237, 0.18);
  font-family: var(--mono);
  font-size: 11px;
  color: var(--metal);
  letter-spacing: 0.07em;
}

.hero-visual img {
  width: 100%;
  height: 560px;
  object-fit: cover;
  object-position: center;
}

.spec-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid #2D2B26;
  border-bottom: 1px solid #2D2B26;
  background:
    linear-gradient(180deg, rgba(35, 31, 32, 0.88), rgba(35, 31, 32, 0.88)),
    url("../images/bg-side-trim-divider.svg") center / cover no-repeat;
  position: relative;
}

.spec-strip::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 12px;
  background: linear-gradient(180deg, var(--accent), #8C0712);
  box-shadow: 4px 0 18px rgba(0, 0, 0, 0.35);
}

.spec-strip::after {
  content: "";
  position: absolute;
  left: 8px;
  right: 0;
  top: 0;
  height: 6px;
  background: repeating-linear-gradient(135deg, rgba(200, 122, 69, 0.42) 0 10px, transparent 10px 18px);
  opacity: 0.8;
}

.spec-strip div {
  padding: 24px 22px 20px;
  border-right: 1px solid rgba(242, 241, 237, 0.1);
  min-height: 96px;
}

.spec-strip div:last-child {
  border-right: 0;
}

.spec-strip strong {
  display: block;
  font-size: 18px;
  margin-bottom: 4px;
  color: var(--text);
}

.spec-strip span {
  font-family: var(--mono);
  color: var(--metal);
  font-size: 12px;
}

.section {
  padding: 82px 0;
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, #141413, #10100F);
}

main > .section:nth-of-type(odd):not(.dark),
main > .section.compact:nth-of-type(odd):not(.dark) {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.78), rgba(216, 209, 196, 0.96)),
    var(--catalog);
  color: var(--catalog-ink);
}

main > .section:nth-of-type(odd):not(.dark) p,
main > .section.compact:nth-of-type(odd):not(.dark) p,
main > .section:nth-of-type(odd):not(.dark) label,
main > .section.compact:nth-of-type(odd):not(.dark) label {
  color: var(--catalog-muted);
}

main > .section:nth-of-type(odd):not(.dark) .card,
main > .section.compact:nth-of-type(odd):not(.dark) .card,
main > .section:nth-of-type(odd):not(.dark) .detail-panel,
main > .section.compact:nth-of-type(odd):not(.dark) .detail-panel {
  background: rgba(20, 19, 17, 0.94);
  color: var(--text);
}

main > .section:nth-of-type(odd):not(.dark) .card p,
main > .section.compact:nth-of-type(odd):not(.dark) .card p,
main > .section:nth-of-type(odd):not(.dark) .detail-panel p,
main > .section.compact:nth-of-type(odd):not(.dark) .detail-panel p {
  color: var(--muted);
}

.section.compact {
  padding: 58px 0;
}

.section.dark {
  background:
    linear-gradient(180deg, rgba(5, 5, 5, 0.86), rgba(5, 5, 5, 0.92)),
    url("../images/bg-dashboard-closeup.svg") center / cover no-repeat;
  color: var(--white);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section.dark p,
.section.dark .card p {
  color: #BDB8AE;
}

.section.dark .card {
  background: rgba(255, 255, 255, 0.035);
  border-color: rgba(242, 241, 237, 0.14);
}

.section-head {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: 48px;
  align-items: end;
  margin-bottom: 36px;
  padding-top: 18px;
  border-top: 4px solid var(--accent);
  position: relative;
}

.section-head::after {
  content: "";
  position: absolute;
  top: -4px;
  right: 0;
  width: min(44%, 420px);
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--metal) 0 12px, transparent 12px 20px);
  opacity: 0.42;
}

.section-kicker {
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.35);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--copper);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  font-weight: 700;
}

.grid {
  display: grid;
  gap: 18px;
}

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

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  background: linear-gradient(180deg, #20201D, var(--surface));
  border: 1px solid var(--border);
  border-bottom: 4px solid rgba(255, 201, 40, 0.62);
  border-radius: 8px 0 8px 0;
  padding: 24px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), inset 0 -18px 34px rgba(0, 0, 0, 0.18), 0 18px 38px rgba(0, 0, 0, 0.22);
}

.product-card {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.product-card img {
  width: 100%;
  height: 245px;
  object-fit: contain;
  padding: 18px;
  background:
    radial-gradient(circle at 28% 18%, rgba(255, 255, 255, 0.96), transparent 38%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(221, 213, 198, 0.96));
  border: 1px solid var(--border);
  border-radius: 16px 0 16px 0;
  margin-bottom: 18px;
}

.image-plate {
  position: relative;
  margin-bottom: 18px;
  border: 1px solid var(--border);
  border-radius: 18px 0 18px 0;
  background: linear-gradient(180deg, #2B2A26, #0B0D0E);
  overflow: hidden;
  box-shadow: inset 0 0 0 3px rgba(226, 224, 219, 0.06);
}

.image-plate img {
  margin-bottom: 0;
  border: 0;
}

.part-label {
  position: absolute;
  left: 10px;
  bottom: 10px;
  padding: 6px 8px;
  background: rgba(8, 8, 8, 0.82);
  border: 1px solid rgba(242, 241, 237, 0.16);
  color: var(--metal);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.product-meta {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  margin: 4px 0 14px;
  border: 1px solid rgba(200, 122, 69, 0.28);
  background: rgba(200, 122, 69, 0.28);
}

.product-meta span {
  display: grid;
  gap: 3px;
  padding: 9px;
  background: rgba(255, 255, 255, 0.03);
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 800;
}

.product-meta small {
  color: var(--metal);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
}

.product-card.engine-photo img {
  object-fit: cover;
  padding: 0;
  background: #0A0B0C;
}

.product-card h3 {
  margin-bottom: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  text-transform: uppercase;
  font-size: 20px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 16px 0 22px;
}

.tag {
  display: inline-flex;
  align-items: center;
  border: 1px solid rgba(242, 241, 237, 0.14);
  border-left: 3px solid rgba(200, 122, 69, 0.72);
  padding: 5px 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--metal);
  background: rgba(255, 255, 255, 0.035);
}

.product-card .btn {
  margin-top: auto;
  width: fit-content;
}

.capability-card {
  display: grid;
  gap: 14px;
}

.capability-num {
  font-family: var(--mono);
  color: var(--copper);
  font-size: 13px;
  font-weight: 800;
}

.feature-row {
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 18px;
  align-items: stretch;
}

.feature-row .card {
  display: grid;
  align-content: center;
}

.feature-row > img,
.product-detail > img,
.grid > img {
  width: 100%;
  height: 100%;
  min-height: 420px;
  object-fit: cover;
  border: 1px solid var(--border);
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-top: 5px solid var(--accent);
  background: var(--surface);
  box-shadow: 0 18px 38px rgba(0, 0, 0, 0.18);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 680px;
}

th,
td {
  padding: 15px 16px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  vertical-align: top;
}

th {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--metal);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  background: rgba(255, 255, 255, 0.035);
}

tr:last-child td {
  border-bottom: 0;
}

.page-title {
  min-height: 330px;
  padding: 74px 0 78px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(8, 7, 7, 0.9), rgba(8, 7, 7, 0.62) 54%, rgba(8, 7, 7, 0.86)),
    url("../images/bg-dashboard-closeup.svg") center / cover no-repeat;
  overflow: hidden;
}

.page-title .container {
  border-left: 6px solid var(--accent);
  padding-left: 24px;
  max-width: 1180px;
}

.page-title h1 {
  font-size: clamp(40px, 4.6vw, 78px);
  max-width: 940px;
}

.page-title p {
  max-width: 760px;
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 18px;
  font-weight: 700;
}

.product-detail {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 30px;
  align-items: start;
}

.detail-panel {
  border: 1px solid var(--border);
  border-radius: 18px 2px 18px 2px;
  background: linear-gradient(180deg, #20201D, var(--surface));
  padding: 28px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08), 0 20px 44px rgba(0, 0, 0, 0.22);
}

.inquiry-form {
  display: grid;
  gap: 14px;
}

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

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  color: var(--muted);
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--border);
  background: #0C0E0F;
  color: var(--text);
  padding: 12px 13px;
}

input:focus,
textarea:focus,
select:focus {
  outline: 1px solid rgba(180, 81, 50, 0.72);
  border-color: rgba(180, 81, 50, 0.72);
}

textarea {
  min-height: 132px;
  resize: vertical;
}

.footer {
  background: var(--deep);
  color: var(--white);
  padding: 56px 0 28px;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.1fr repeat(3, 0.7fr);
  gap: 34px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 36px;
}

.footer a,
.footer p {
  color: #BDB8AE;
}

.footer h4 {
  margin-bottom: 14px;
  letter-spacing: 0;
}

.footer-links {
  display: grid;
  gap: 8px;
  font-size: 14px;
}

.copyright {
  padding-top: 22px;
  color: #BDB8AE;
  font-size: 13px;
  font-family: var(--mono);
}

.cta-band {
  border: 1px solid var(--border);
  border-left: 8px solid var(--copper);
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.78), rgba(0, 0, 0, 0.3)),
    url("../images/bg-chrome-grille-silhouette.svg") center / cover no-repeat;
  padding: 34px;
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 24px;
}

.cta-band p {
  margin-bottom: 0;
  color: #F2F1ED;
}

.cta-band .section-kicker {
  color: var(--copper);
}

.process-list {
  display: grid;
  gap: 1px;
  border: 1px solid var(--border);
  border-left: 7px solid var(--accent);
  background: var(--border);
}

.process-item {
  background: var(--surface);
  padding: 22px;
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 22px;
}

.process-item span {
  font-family: var(--mono);
  color: var(--copper);
  font-weight: 800;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.proof-item {
  padding: 22px;
  background: var(--surface);
  border-bottom: 3px solid rgba(168, 74, 42, 0.55);
}

.proof-item strong {
  display: block;
  margin-bottom: 10px;
  color: var(--text);
  font-size: 18px;
}

.proof-item span {
  font-family: var(--mono);
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
}

.quote-checklist {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.quote-checklist span {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent);
  padding: 10px 12px;
  color: var(--metal);
  font-family: var(--mono);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.03);
}


.decor-strip {
  border-top: 1px solid #2D2B26;
  border-bottom: 1px solid #2D2B26;
  background:
    linear-gradient(180deg, rgba(226, 224, 219, 0.92), rgba(226, 224, 219, 0.92)),
    url("../images/bg-side-trim-divider.svg") center / cover no-repeat;
  color: var(--catalog-ink);
  padding: 22px 0;
  position: relative;
}

.decor-strip::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 10px;
  background: var(--accent);
}

.decor-strip::after {
  content: "";
  position: absolute;
  left: 10px;
  right: 0;
  bottom: 0;
  height: 7px;
  background: repeating-linear-gradient(135deg, rgba(27, 26, 23, 0.28) 0 10px, transparent 10px 18px);
}

.decor-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.decor-card {
  border: 1px solid rgba(27, 26, 23, 0.32);
  border-radius: 20px 2px 20px 2px;
  background: #141413;
  min-height: 156px;
  display: grid;
  align-content: stretch;
  overflow: hidden;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12), 0 14px 28px rgba(27, 26, 23, 0.24);
}

.decor-card img {
  width: 100%;
  height: 132px;
  object-fit: cover;
  opacity: 0.88;
  filter: saturate(0.9) contrast(1.04);
}

.decor-card span {
  display: block;
  padding: 8px 10px 10px;
  color: var(--metal);
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  border-top: 1px solid var(--line);
}

.inline-decor {
  margin-top: 22px;
  border: 1px solid var(--border);
  border-left: 6px solid var(--accent);
  border-radius: 18px 0 18px 0;
  background: #0E1011;
  overflow: hidden;
  box-shadow: inset 0 0 0 2px rgba(255, 201, 40, 0.08);
}

.inline-decor img {
  width: 100%;
  height: 170px;
  object-fit: cover;
  opacity: 0.9;
}

.detail-panel .inline-decor {
  margin: 18px 0 0;
}
.visual-caption {
  margin-top: 10px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.gallery-strip {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 18px;
}

.gallery-strip img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  border: 1px solid var(--border);
}

@media (max-width: 920px) {
  .mobile-toggle {
    display: inline-flex;
  }

  .nav-links {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 10px 20px 24px;
    background: rgba(13, 15, 16, 0.98);
    border-bottom: 1px solid var(--line);
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links a {
    padding: 13px 0;
    border-bottom: 1px solid var(--line);
  }

  .nav-cta {
    text-align: center;
    margin-top: 12px;
  }

  .hero-grid,
  .section-head,
  .feature-row,
  .product-detail,
  .cta-band,
  .gallery-strip {
    grid-template-columns: 1fr;
  }

  .grid.cols-3,
  .grid.cols-4,
  .proof-grid,
  .decor-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .spec-strip {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-visual img {
    height: 420px;
  }

  .gallery-strip img {
    height: 320px;
  }
}

@media (max-width: 620px) {
  .container {
    width: min(100% - 28px, 1180px);
  }

  .hero {
    padding-top: 44px;
  }

  h1 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .page-title {
    min-height: 260px;
    padding: 52px 0 58px;
  }

  .page-title h1 {
    font-size: clamp(34px, 10vw, 50px);
  }

  .grid.cols-2,
  .grid.cols-3,
  .grid.cols-4,
  .form-grid,
  .hero-specs,
  .product-meta,
  .proof-grid,
  .decor-grid {
    grid-template-columns: 1fr;
  }

  .spec-strip {
    grid-template-columns: 1fr;
  }

  .spec-strip div {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .spec-strip div:last-child {
    border-bottom: 0;
  }

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

  .process-item {
    grid-template-columns: 1fr;
  }

  .hero-visual img {
    height: 320px;
  }

  .product-card img {
    height: 220px;
  }
}
/* v5: classic performance catalog direction */
:root {
  --navy: #071826;
  --navy-2: #0B2133;
  --cream: #F2EFE8;
  --cream-2: #E5DFD4;
  --ink: #111820;
  --gold: #F5B21B;
  --gold-2: #FFCA38;
  --redline: #D7192B;
}

body {
  background: var(--cream);
}

.site-header {
  background: linear-gradient(180deg, #071622, #06111A);
  border-bottom: 1px solid rgba(245, 178, 27, 0.28);
  box-shadow: 0 8px 26px rgba(0, 0, 0, 0.28);
}

.nav {
  min-height: 84px;
}

.brand-mark {
  border-color: var(--gold);
  background: linear-gradient(145deg, #1D1E1D, #0A1118);
  box-shadow: inset 0 -4px 0 var(--gold), inset 0 1px 0 rgba(255, 255, 255, 0.18);
}

.brand-sub {
  color: #C9BFA9;
}

.nav-links {
  color: #D9D5CB;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.nav-links a.active,
.nav-links a:hover {
  color: #FFFFFF;
}

.nav-links a.active::after {
  content: "";
  display: block;
  height: 2px;
  margin-top: 8px;
  background: var(--gold);
}

.nav-cta,
.btn.primary {
  background: linear-gradient(180deg, var(--gold-2), var(--gold));
  color: #070707;
  border-color: #D89500;
  border-radius: 8px;
  box-shadow: inset 0 -3px 0 rgba(0, 0, 0, 0.18), 0 10px 22px rgba(0, 0, 0, 0.22);
}

.hero {
  min-height: 675px;
  padding: 118px 0 72px;
  background:
    linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.55) 34%, rgba(0, 0, 0, 0.12) 62%, rgba(0, 0, 0, 0.38) 100%),
    var(--hero-bg, url("../images/hero-classic-coast.png")) center / cover no-repeat;
  border-bottom: 0;
  position: relative;
}

.hero-grid {
  grid-template-columns: minmax(0, 0.72fr) minmax(140px, 0.28fr);
  min-height: 455px;
}

.hero h1 {
  font-size: clamp(48px, 5.8vw, 92px);
  max-width: 650px;
  color: #F8F6F0;
  line-height: 0.95;
  text-shadow: 0 4px 0 #0A0A0A, 0 14px 32px rgba(0, 0, 0, 0.48);
}

.hero h1 span {
  color: var(--gold);
}

.hero p {
  color: #F1EEE6;
  max-width: 440px;
  font-size: 18px;
  line-height: 1.55;
}

.hero .eyebrow {
  color: var(--gold);
}

.hero .btn:not(.primary) {
  border-color: rgba(255, 255, 255, 0.72);
  border-radius: 8px;
  color: #FFFFFF;
  background: rgba(6, 16, 24, 0.38);
  backdrop-filter: blur(4px);
}

.hero-specs {
  display: none;
}

.hero-thumbs {
  align-self: center;
  justify-self: end;
  display: grid;
  gap: 12px;
  width: 116px;
}

.hero-thumbs button {
  display: block;
  width: 116px;
  height: 84px;
  padding: 0;
  border: 2px solid rgba(245, 178, 27, 0.42);
  border-radius: 7px;
  background: transparent;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 12px 26px rgba(0, 0, 0, 0.34);
}

.hero-thumbs button.active {
  border-color: var(--gold);
  box-shadow: 0 0 0 2px rgba(255, 201, 40, 0.28), 0 12px 26px rgba(0, 0, 0, 0.34);
}

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

.hero-dots {
  position: absolute;
  left: 50%;
  bottom: 32px;
  display: flex;
  gap: 10px;
  transform: translateX(-50%);
}

.hero-dots button {
  width: 11px;
  height: 11px;
  padding: 0;
  border: 0;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.48);
  cursor: pointer;
}

.hero-dots button.active {
  background: var(--gold);
}

.spec-strip {
  background: linear-gradient(180deg, #FBFAF6, #E6E1D8);
  color: var(--ink);
  border-top: 1px solid rgba(17, 24, 32, 0.12);
  border-bottom: 1px solid rgba(17, 24, 32, 0.18);
}

.spec-strip::before,
.spec-strip::after {
  display: none;
}

.spec-strip div {
  border-right: 1px solid rgba(17, 24, 32, 0.14);
}

.spec-strip strong {
  color: var(--ink);
  text-transform: uppercase;
}

.spec-strip span {
  color: #4C4D4A;
}

.section,
main > .section:nth-of-type(odd):not(.dark),
main > .section.compact:nth-of-type(odd):not(.dark) {
  background: linear-gradient(180deg, #F9F7F2, var(--cream));
  color: var(--ink);
  border-top: 1px solid rgba(17, 24, 32, 0.1);
}

.section p,
.section label,
main > .section:nth-of-type(odd):not(.dark) p,
main > .section.compact:nth-of-type(odd):not(.dark) p {
  color: #50524F;
}

.section-head {
  border-top: 0;
  padding-top: 0;
}

.section-head::after {
  display: none;
}

.section-kicker,
.eyebrow {
  color: var(--gold);
  text-shadow: none;
}

.section-kicker::after {
  content: "";
  display: block;
  width: 34px;
  height: 2px;
  margin-top: 8px;
  background: var(--gold);
}

.card,
main > .section:nth-of-type(odd):not(.dark) .card,
main > .section.compact:nth-of-type(odd):not(.dark) .card {
  background: #FFFFFF;
  color: var(--ink);
  border: 1px solid rgba(17, 24, 32, 0.15);
  border-bottom: 2px solid rgba(17, 24, 32, 0.18);
  border-radius: 6px;
  box-shadow: 0 16px 32px rgba(17, 24, 32, 0.08);
}

.card p,
main > .section:nth-of-type(odd):not(.dark) .card p,
main > .section.compact:nth-of-type(odd):not(.dark) .card p {
  color: #555A57;
}

.product-card h3 {
  color: var(--ink);
  border-bottom-color: rgba(17, 24, 32, 0.12);
}

.product-card img,
.image-plate img {
  border-radius: 4px;
}

.tag,
.product-meta span {
  background: #F4F0E7;
  color: #2E3335;
  border-color: rgba(17, 24, 32, 0.12);
}

.section.dark {
  background:
    linear-gradient(90deg, rgba(3, 18, 31, 0.96), rgba(5, 29, 47, 0.9)),
    url("../images/bg-dashboard-closeup.svg") center / cover no-repeat;
  color: #FFFFFF;
}

.section.dark .card {
  background: transparent;
  color: #FFFFFF;
  border-color: rgba(245, 178, 27, 0.22);
  box-shadow: none;
}

.section.dark p,
.section.dark .card p {
  color: #D7D9D5;
}

.page-title {
  min-height: 310px;
  background:
    linear-gradient(90deg, rgba(5, 18, 30, 0.94), rgba(5, 18, 30, 0.76)),
    url("../images/bg-dashboard-closeup.svg") center / cover no-repeat;
}

.page-title h1 {
  font-size: clamp(40px, 4.8vw, 76px);
}

.cta-band {
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(5, 18, 30, 0.96), rgba(5, 18, 30, 0.5)),
    url("../images/bg-chrome-grille-silhouette.svg") center / cover no-repeat;
}

.footer {
  background: linear-gradient(180deg, #071826, #04111B);
}

@media (max-width: 920px) {
  .hero {
    min-height: auto;
    padding: 82px 0 58px;
  }

  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-thumbs {
    grid-template-columns: repeat(3, 1fr);
    width: 100%;
    justify-self: stretch;
  }

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

  .hero-dots {
    position: static;
    justify-content: center;
    margin-top: 20px;
    transform: none;
  }
}

/* Reduce earlier heavy decorative SVG strips for v5 layout clarity */
.decor-strip {
  display: none;
}

.inline-decor {
  display: none;
}

.table-wrap {
  background: #FFFFFF;
  border-color: rgba(17, 24, 32, 0.14);
  border-top-color: var(--gold);
}

table {
  color: var(--ink);
}

th {
  color: var(--ink);
  background: #EEE8DC;
}

td {
  color: #414641;
}

.detail-panel,
main > .section:nth-of-type(odd):not(.dark) .detail-panel,
main > .section.compact:nth-of-type(odd):not(.dark) .detail-panel {
  background: #FFFFFF;
  color: var(--ink);
  border-color: rgba(17, 24, 32, 0.15);
  border-radius: 6px;
}

.detail-panel p,
main > .section:nth-of-type(odd):not(.dark) .detail-panel p,
main > .section.compact:nth-of-type(odd):not(.dark) .detail-panel p {
  color: #50524F;
}

input,
textarea,
select {
  background: #F8F5EE;
  color: var(--ink);
  border-color: rgba(17, 24, 32, 0.18);
}

/* Stable layered hero carousel */
.hero {
  background: #0A0D10;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0.82) 0%, rgba(0, 0, 0, 0.55) 34%, rgba(0, 0, 0, 0.12) 62%, rgba(0, 0, 0, 0.38) 100%);
  pointer-events: none;
}

.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
  opacity: 0;
  transform: scale(1.018);
  transition: opacity 700ms ease, transform 1800ms ease;
}

.hero-slide.active {
  opacity: 1;
  transform: scale(1);
}

.hero-grid,
.hero-dots {
  position: relative;
  z-index: 2;
}

/* Actual product catalog refinements */
.spec-strip {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.spec-strip div {
  padding: 18px 14px 16px;
}

.spec-strip strong {
  font-size: 14px;
}

.spec-strip span {
  font-size: 11px;
}

.product-card img {
  height: 235px;
  object-fit: contain;
  background: #FFFFFF;
}

.product-card.engine-photo img {
  height: 235px;
}

.image-plate img {
  height: 235px;
  object-fit: contain;
  background: #FFFFFF;
}

.product-card h3 {
  min-height: 48px;
}

@media (max-width: 1120px) {
  .spec-strip {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 620px) {
  .spec-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* BKC V8 Engine brand lockup */
.brand-red {
  color: var(--accent);
  margin-left: 4px;
}

.brand-mark {
  width: 56px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.02em;
}


/* v6: BKC V8 Engine tactile gunmetal revision */
:root {
  --navy-dark: #07131D;
  --navy-gunmetal: #0A1824;
  --navy-panel: #142536;
  --warm-white: #F2EFE7;
  --warm-gray: #E8E2D5;
  --metal-gray: #B8B2A6;
  --text-dark: #1D242B;
  --amber: #D99A1E;
  --amber-bright: #E0A323;
  --deep-red: #8E1E1E;
  --accent: #8E1E1E;
  --copper: #D99A1E;
  --gold: #D99A1E;
  --gold-2: #E0A323;
  --cream: #F2EFE7;
  --cream-2: #E8E2D5;
  --ink: #1D242B;
  --muted: #AFA89A;
  --text: #F2EFE7;
}

body {
  background: var(--warm-white);
  color: var(--text-dark);
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-weight: 500;
}

.site-header {
  background: linear-gradient(180deg, var(--navy-gunmetal) 0%, var(--navy-dark) 100%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 24px rgba(7, 19, 29, 0.28);
}

.nav {
  min-height: 76px;
}

.brand {
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  letter-spacing: 0.035em;
}

.brand-mark {
  width: 54px;
  height: 40px;
  border-color: rgba(217, 154, 30, 0.82);
  background: linear-gradient(145deg, #182330, #07131D 58%, #050B10);
  box-shadow: inset 0 -4px 0 rgba(217, 154, 30, 0.86), inset 0 1px 0 rgba(255, 255, 255, 0.18), 0 7px 16px rgba(0, 0, 0, 0.28);
}

.brand-red {
  color: #C33131;
}

.brand-sub {
  color: #C8BDA7;
  font-weight: 600;
}

.nav-links {
  color: #D5CEC0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.015em;
}

.nav-links a.active::after {
  background: var(--amber);
}

.nav-cta,
.btn.primary {
  background: linear-gradient(180deg, #F1B93A 0%, #D99013 100%);
  border: 1px solid #F5C75A;
  border-bottom: 2px solid #8A5A0B;
  border-radius: 10px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 6px 14px rgba(0, 0, 0, 0.28);
  color: #111315;
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.nav-cta:hover,
.btn.primary:hover {
  background: linear-gradient(180deg, #FFC94A 0%, #E0A323 100%);
  border-color: #F7CE66;
  transform: translateY(-1px);
}

.btn {
  background: rgba(10, 24, 36, 0.48);
  border: 1px solid rgba(220, 170, 55, 0.72);
  border-radius: 10px;
  color: #F2E8D0;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.12);
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-weight: 800;
  letter-spacing: 0.03em;
}

.btn:hover {
  background: rgba(20, 37, 54, 0.78);
  border-color: rgba(224, 163, 35, 0.95);
}

.hero {
  min-height: 656px;
  padding: 102px 0 70px;
  background: var(--navy-dark);
  border-bottom: 1px solid rgba(29, 36, 43, 0.16);
}

.hero::before {
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.94) 0%, rgba(7, 19, 29, 0.72) 33%, rgba(7, 19, 29, 0.24) 64%, rgba(7, 19, 29, 0.48) 100%),
    radial-gradient(circle at 16% 22%, rgba(217, 154, 30, 0.16), transparent 30%);
}

.hero-slide {
  filter: saturate(0.9) contrast(0.98);
  transform: scale(1.012);
  transition: opacity 900ms ease, transform 2200ms ease;
}

.hero-grid {
  grid-template-columns: minmax(0, 0.76fr) minmax(120px, 0.24fr);
  min-height: 470px;
}

.hero-copy-wrap {
  position: relative;
  min-height: 470px;
}

.hero-copy {
  position: absolute;
  inset: 0 auto auto 0;
  width: min(720px, 100%);
  opacity: 0;
  transform: translateX(16px);
  pointer-events: none;
  transition: opacity 520ms ease, transform 520ms ease;
}

.hero-copy.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: auto;
}

.eyebrow::before {
  background: var(--amber);
}

.hero .eyebrow {
  color: var(--amber-bright);
  font-weight: 700;
}

.hero h1 {
  max-width: 760px;
  color: var(--warm-white);
  font-size: clamp(44px, 5.45vw, 84px);
  line-height: 0.96;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.72), 0 16px 34px rgba(0, 0, 0, 0.38);
}

.hero h1 span {
  color: var(--amber-bright);
}

.hero p {
  max-width: 560px;
  color: #EFE8D8;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.62;
}

.hero .btn:not(.primary) {
  background: rgba(7, 19, 29, 0.54);
  border-color: rgba(217, 154, 30, 0.8);
  color: #F2E8D0;
}

.hero-thumbs {
  width: 128px;
}

.hero-thumbs button {
  width: 128px;
  height: 92px;
  border-color: rgba(217, 154, 30, 0.42);
  border-radius: 8px;
  background: #0A1824;
}

.hero-thumbs button.active {
  border-color: var(--amber-bright);
  box-shadow: 0 0 0 2px rgba(217, 154, 30, 0.22), 0 12px 24px rgba(0, 0, 0, 0.36);
}

.hero-dots button.active {
  background: var(--amber);
}

.trust-strip,
.spec-strip {
  grid-template-columns: repeat(6, minmax(0, 1fr));
  background: linear-gradient(180deg, #FAF8F2, var(--warm-gray));
  color: var(--text-dark);
  border-top: 1px solid rgba(29, 36, 43, 0.12);
  border-bottom: 1px solid rgba(29, 36, 43, 0.16);
}

.trust-strip div,
.spec-strip div {
  min-height: 88px;
  padding: 20px 18px 18px;
  border-right: 1px solid rgba(29, 36, 43, 0.12);
}

.trust-strip strong,
.spec-strip strong {
  color: var(--text-dark);
  font-size: 13px;
  font-weight: 800;
}

.trust-strip span,
.spec-strip span {
  color: #5E625D;
  font-size: 11px;
}

.section,
main > .section:nth-of-type(odd):not(.dark),
main > .section.compact:nth-of-type(odd):not(.dark) {
  background: linear-gradient(180deg, #FAF8F2 0%, var(--warm-white) 100%);
  color: var(--text-dark);
}

.section.dark {
  background: linear-gradient(135deg, #081521 0%, #142536 100%);
  color: var(--warm-white);
}

.section h2 {
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  font-size: clamp(29px, 3vw, 44px);
  letter-spacing: 0.01em;
}

.section p,
.card p,
.footer p {
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-weight: 500;
  line-height: 1.62;
}

.section-head {
  grid-template-columns: 0.78fr 0.9fr;
  align-items: end;
  margin-bottom: 34px;
}

.section-kicker {
  color: var(--amber);
  font-weight: 800;
}

.section-kicker::after {
  background: var(--amber);
}

.product-line-grid {
  gap: 16px;
}

.card,
main > .section:nth-of-type(odd):not(.dark) .card,
main > .section.compact:nth-of-type(odd):not(.dark) .card {
  background: #FBFAF6;
  border: 1px solid #D9D2C6;
  border-bottom: 2px solid #C8BFAF;
  border-radius: 6px;
  box-shadow: 0 8px 24px rgba(20, 20, 20, 0.08);
}

.product-card {
  padding: 16px;
}

.product-card img,
.image-plate img,
.product-card.engine-photo img {
  height: 205px;
  background: #F9F7F2;
  object-fit: contain;
  padding: 12px;
}

.product-card.engine-photo img {
  object-fit: cover;
  padding: 0;
}

.image-plate {
  border-color: #D9D2C6;
  background: #F9F7F2;
  border-radius: 6px;
  box-shadow: none;
}

.part-label {
  background: rgba(7, 19, 29, 0.86);
  border-color: rgba(217, 154, 30, 0.34);
  color: #E8D6AE;
}

.product-card h3 {
  min-height: auto;
  color: var(--text-dark);
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 16px;
  font-weight: 850;
  letter-spacing: 0.02em;
  border-bottom-color: rgba(29, 36, 43, 0.12);
}

.product-card .btn {
  color: var(--text-dark);
  background: transparent;
  border-color: rgba(29, 36, 43, 0.24);
  box-shadow: none;
}

.manufacturing-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.94fr) minmax(420px, 1.06fr);
  gap: 44px;
  align-items: center;
}

.manufacturing-layout > img {
  width: 100%;
  min-height: 420px;
  height: 100%;
  object-fit: cover;
  border: 1px solid rgba(232, 226, 213, 0.24);
  border-radius: 6px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
}

.manufacturing-layout p {
  color: #D7D1C3;
  max-width: 680px;
}

.capability-row {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-top: 30px;
  background: rgba(232, 226, 213, 0.18);
  border: 1px solid rgba(232, 226, 213, 0.18);
}

.capability-row div {
  padding: 18px 16px;
  background: rgba(10, 24, 36, 0.68);
}

.capability-row span,
.process-flow span {
  display: block;
  color: var(--amber-bright);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 10px;
}

.capability-row strong,
.process-flow strong {
  display: block;
  color: inherit;
  font-weight: 850;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.capability-row p {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.45;
}

.process-flow {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 1px;
  background: #D4CCBE;
  border: 1px solid #D4CCBE;
}

.process-flow div {
  background: #FBFAF6;
  padding: 22px 16px;
  min-height: 190px;
}

.process-flow strong {
  color: var(--text-dark);
  font-size: 14px;
}

.process-flow p {
  margin-bottom: 0;
  color: #62645F;
  font-size: 13px;
}

.shop-context-section .section-head {
  border-bottom: 1px solid rgba(232, 226, 213, 0.16);
  padding-bottom: 22px;
}

.shop-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr 1fr 1fr;
  gap: 14px;
}

.shop-grid img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border: 1px solid rgba(232, 226, 213, 0.18);
  border-radius: 6px;
  filter: saturate(0.95) contrast(0.98);
}

.shop-grid img:first-child {
  height: 100%;
  min-height: 260px;
}

.final-cta-section {
  background: var(--warm-white);
}

.cta-band {
  border: 1px solid rgba(232, 226, 213, 0.2);
  border-left: 4px solid var(--amber);
  border-radius: 6px;
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.96), rgba(20, 37, 54, 0.78)),
    url("../images/bg-chrome-grille-silhouette.svg") center / cover no-repeat;
  color: var(--warm-white);
}

.cta-band p {
  color: #D8D1C1;
}

.cta-band .section-actions {
  margin-top: 0;
  justify-content: flex-end;
}

.footer {
  background: #0B1722;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--warm-white);
}

.footer h4 {
  color: #E8E2D5;
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.footer a,
.footer p,
.copyright {
  color: #AFA89A;
  font-weight: 500;
}

.footer a:hover {
  color: var(--amber);
}

@media (max-width: 1120px) {
  .product-line-grid,
  .grid.cols-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-flow,
  .capability-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

@media (max-width: 920px) {
  .hero-grid,
  .manufacturing-layout,
  .section-head,
  .cta-band {
    grid-template-columns: 1fr;
  }

  .hero-copy-wrap {
    min-height: 500px;
  }

  .trust-strip,
  .spec-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-band .section-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 620px) {
  .hero-copy-wrap {
    min-height: 575px;
  }

  .hero h1 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .product-line-grid,
  .grid.cols-4,
  .process-flow,
  .capability-row,
  .shop-grid,
  .trust-strip,
  .spec-strip {
    grid-template-columns: 1fr;
  }

  .shop-grid img,
  .shop-grid img:first-child {
    height: 230px;
    min-height: 0;
  }
}

/* v7: real image page-title backgrounds for product and manufacturing pages */
.page-title {
  position: relative;
  isolation: isolate;
  min-height: 420px;
  background: linear-gradient(135deg, #07131D 0%, #142536 100%);
  border-bottom: 1px solid rgba(232, 226, 213, 0.16);
}

.page-title::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 1;
  background: linear-gradient(135deg, #07131D 0%, #142536 100%);
}

.page-title::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.96) 0%, rgba(7, 19, 29, 0.74) 42%, rgba(7, 19, 29, 0.28) 68%, rgba(7, 19, 29, 0.58) 100%),
    radial-gradient(circle at 18% 22%, rgba(217, 154, 30, 0.13), transparent 34%);
  pointer-events: none;
}

.page-title .container {
  position: relative;
  z-index: 1;
  border-left: 4px solid var(--amber);
  padding-left: 28px;
}

.page-title .eyebrow::before {
  background: var(--amber);
}

.page-title h1 {
  color: var(--warm-white);
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.68), 0 14px 34px rgba(0, 0, 0, 0.34);
}

.page-title p {
  color: #D8D1C1;
  font-weight: 600;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.36);
}

.page-title-products::before {
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.18), rgba(7, 19, 29, 0.42)),
    url("../images/product-dm-3282-cylinder-head-angle.jpg") right 48% / min(72vw, 1040px) auto no-repeat,
    linear-gradient(135deg, #07131D 0%, #142536 100%);
}

.page-title-products::after {
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.98) 0%, rgba(7, 19, 29, 0.86) 34%, rgba(7, 19, 29, 0.34) 66%, rgba(7, 19, 29, 0.68) 100%),
    linear-gradient(180deg, rgba(217, 154, 30, 0.1), transparent 48%);
}

.page-title-manufacturing::before {
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.18), rgba(7, 19, 29, 0.32)),
    url("../images/engine-ls3-full-workshop.jpg") center 54% / cover no-repeat,
    linear-gradient(135deg, #07131D 0%, #142536 100%);
}

.page-title-manufacturing::after {
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.97) 0%, rgba(7, 19, 29, 0.78) 44%, rgba(7, 19, 29, 0.36) 74%, rgba(7, 19, 29, 0.62) 100%),
    radial-gradient(circle at 72% 42%, rgba(217, 154, 30, 0.1), transparent 34%);
}

@media (max-width: 760px) {
  .page-title {
    min-height: 360px;
  }

  .page-title-products::before {
    background:
      linear-gradient(90deg, rgba(7, 19, 29, 0.58), rgba(7, 19, 29, 0.7)),
      url("../images/product-dm-3282-cylinder-head-angle.jpg") center 58% / cover no-repeat,
      linear-gradient(135deg, #07131D 0%, #142536 100%);
  }
}

/* v8: imported engine catalog */
.catalog-section {
  background: linear-gradient(180deg, #FAF8F2 0%, var(--warm-white) 100%);
}

.catalog-head {
  margin-bottom: 24px;
}

.catalog-toolbar {
  display: grid;
  grid-template-columns: minmax(260px, 360px) 1fr auto;
  gap: 16px;
  align-items: end;
  padding: 18px;
  margin-bottom: 22px;
  border: 1px solid #D9D2C6;
  border-radius: 8px;
  background: #FBFAF6;
  box-shadow: 0 8px 24px rgba(20, 20, 20, 0.06);
}

.catalog-search {
  display: grid;
  gap: 8px;
  color: var(--text-dark);
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.catalog-search input {
  min-height: 44px;
  border: 1px solid #CFC6B8;
  border-radius: 8px;
  background: #F8F5EE;
  color: var(--text-dark);
}

.catalog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.catalog-filter-btn {
  min-height: 38px;
  padding: 8px 11px;
  border: 1px solid rgba(29, 36, 43, 0.18);
  border-radius: 8px;
  background: #F2EFE7;
  color: #35404A;
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.catalog-filter-btn.active,
.catalog-filter-btn:hover {
  background: linear-gradient(180deg, #F1B93A 0%, #D99013 100%);
  border-color: #C48212;
  color: #111315;
}

.catalog-count {
  color: #5E625D;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

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

.catalog-card {
  display: grid;
  grid-template-rows: 230px 1fr;
  min-height: 100%;
  overflow: hidden;
  border: 1px solid #D9D2C6;
  border-bottom: 2px solid #C8BFAF;
  border-radius: 8px;
  background: #FBFAF6;
  box-shadow: 0 8px 24px rgba(20, 20, 20, 0.08);
}

.catalog-card-images {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: #D9D2C6;
  border-bottom: 1px solid #D9D2C6;
}

.catalog-card-images.single {
  grid-template-columns: 1fr;
}

.catalog-card-images img {
  width: 100%;
  height: 230px;
  object-fit: contain;
  padding: 14px;
  background: #F7F4EC;
}

.catalog-card-body {
  display: flex;
  flex-direction: column;
  padding: 18px;
}

.catalog-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  color: #59605C;
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.catalog-card-meta strong {
  color: var(--amber);
  white-space: nowrap;
}

.catalog-card h3 {
  min-height: 48px;
  margin: 0 0 10px;
  color: var(--text-dark);
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 16px;
  font-weight: 850;
  line-height: 1.18;
  text-transform: uppercase;
}

.catalog-card p {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  min-height: 68px;
  overflow: hidden;
  margin: 0 0 16px;
  color: #5A5E59;
  font-size: 14px;
  line-height: 1.55;
}

.catalog-card .btn {
  width: fit-content;
  margin-top: auto;
  color: var(--text-dark);
  background: transparent;
  border-color: rgba(29, 36, 43, 0.24);
  box-shadow: none;
}

.catalog-empty {
  padding: 36px;
  border: 1px dashed #CFC6B8;
  border-radius: 8px;
  color: #5A5E59;
  text-align: center;
  background: #FBFAF6;
}

.catalog-note-section {
  background: var(--warm-white);
}

.catalog-cta .section-actions {
  margin-top: 0;
  justify-content: flex-end;
}

.product-modal[hidden] {
  display: none;
}

body.modal-open {
  overflow: hidden;
}

.product-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 28px;
}

.product-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(7, 19, 29, 0.78);
  backdrop-filter: blur(6px);
}

.product-modal-panel {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
  gap: 0;
  width: min(1080px, 100%);
  max-height: min(820px, calc(100vh - 48px));
  overflow: auto;
  border: 1px solid rgba(232, 226, 213, 0.24);
  border-radius: 10px;
  background: #FBFAF6;
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.42);
}

.product-modal-close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 2;
  width: 38px;
  height: 38px;
  border: 1px solid rgba(29, 36, 43, 0.2);
  border-radius: 999px;
  background: #F2EFE7;
  color: var(--text-dark);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
}

.product-modal-gallery {
  display: grid;
  gap: 1px;
  align-content: start;
  padding: 18px;
  background: #E8E2D5;
}

.product-modal-gallery img {
  width: 100%;
  min-height: 260px;
  max-height: 360px;
  object-fit: contain;
  padding: 18px;
  border: 1px solid #D9D2C6;
  border-radius: 6px;
  background: #FBFAF6;
}

.product-modal-copy {
  padding: 34px;
  color: var(--text-dark);
}

.product-modal-copy h2 {
  color: var(--text-dark);
  font-size: clamp(28px, 3.2vw, 44px);
}

.product-modal-copy p {
  color: #555A57;
}

.modal-sku {
  display: inline-flex;
  margin: 18px 0;
  padding: 7px 10px;
  border: 1px solid rgba(217, 154, 30, 0.42);
  border-radius: 6px;
  color: var(--amber);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 900;
}

.modal-spec-list {
  display: grid;
  gap: 10px;
  margin: 22px 0;
}

.modal-spec-list div {
  padding: 14px;
  border: 1px solid #D9D2C6;
  border-left: 4px solid var(--amber);
  border-radius: 6px;
  background: #F7F4EC;
}

.modal-spec-list dt {
  margin-bottom: 6px;
  color: var(--text-dark);
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.modal-spec-list dd {
  margin: 0;
  color: #555A57;
  font-family: "Inter", "Aptos", Arial, sans-serif;
  line-height: 1.55;
}

@media (max-width: 1120px) {
  .catalog-toolbar {
    grid-template-columns: 1fr;
  }

  .catalog-count {
    white-space: normal;
  }

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

@media (max-width: 760px) {
  .catalog-grid,
  .product-modal-panel {
    grid-template-columns: 1fr;
  }

  .product-modal {
    padding: 14px;
  }

  .product-modal-copy {
    padding: 24px;
  }

  .catalog-card {
    grid-template-rows: 210px 1fr;
  }

  .catalog-card-images img {
    height: 210px;
  }
}

@media (max-width: 520px) {
  .catalog-card-images {
    grid-template-columns: 1fr;
  }

  .catalog-card {
    grid-template-rows: auto 1fr;
  }

  .catalog-card-images img {
    height: 210px;
  }
}

/* v9: product catalog quote band cleanup */
.catalog-note-section {
  padding: 64px 0 72px;
  background:
    linear-gradient(180deg, rgba(250, 248, 242, 0.96), rgba(232, 226, 213, 0.96)),
    var(--warm-white);
}

.catalog-cta {
  position: relative;
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 260px;
  padding: 42px 48px;
  border: 1px solid rgba(232, 226, 213, 0.22);
  border-left: 5px solid var(--amber);
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.98) 0%, rgba(7, 19, 29, 0.9) 43%, rgba(7, 19, 29, 0.46) 76%, rgba(7, 19, 29, 0.72) 100%),
    url("../images/engine-showcase-02.jpg") right 50% / cover no-repeat;
  box-shadow: 0 20px 48px rgba(7, 19, 29, 0.22);
}

.catalog-cta::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), rgba(217, 154, 30, 0.08));
  opacity: 0.9;
}

.catalog-cta::after {
  content: "ENGINE PROGRAM QUOTE";
  position: absolute;
  right: 34px;
  bottom: 26px;
  color: rgba(242, 239, 231, 0.08);
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  font-size: clamp(34px, 5vw, 72px);
  line-height: 0.9;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  pointer-events: none;
}

.catalog-cta > * {
  position: relative;
  z-index: 1;
}

.catalog-cta h2 {
  max-width: 760px;
  color: var(--warm-white);
  font-size: clamp(32px, 4vw, 58px);
  line-height: 0.98;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.62), 0 14px 30px rgba(0, 0, 0, 0.28);
}

.catalog-cta p {
  max-width: 760px;
  color: #DED6C5;
  font-weight: 500;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.32);
}

.catalog-cta .section-actions {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  min-width: 340px;
  margin-top: 0;
}

.catalog-cta .btn:not(.primary) {
  background: rgba(7, 19, 29, 0.54);
  border-color: rgba(217, 154, 30, 0.78);
  color: #F2E8D0;
}

@media (max-width: 920px) {
  .catalog-cta {
    grid-template-columns: 1fr;
    padding: 34px 28px;
    background:
      linear-gradient(90deg, rgba(7, 19, 29, 0.98) 0%, rgba(7, 19, 29, 0.84) 100%),
      url("../images/engine-showcase-02.jpg") center / cover no-repeat;
  }

  .catalog-cta .section-actions {
    justify-content: flex-start;
    min-width: 0;
    margin-top: 24px;
  }
}

@media (max-width: 560px) {
  .catalog-cta .section-actions {
    flex-wrap: wrap;
  }
}

/* v10: practical inquiry form support */
.inquiry-form input:required,
.inquiry-form textarea:required {
  border-left: 3px solid rgba(217, 154, 30, 0.58);
}

.inquiry-form button[type="submit"] {
  width: fit-content;
}

.form-status {
  min-height: 22px;
  margin: 4px 0 0;
  font-family: "Inter", "Aptos", Arial, sans-serif;
  font-size: 14px;
  font-weight: 700;
}

.form-status[data-status="success"] {
  color: #1F6B46;
}

.form-status[data-status="error"] {
  color: #8E1E1E;
}

.form-note {
  margin: 0;
  padding: 12px 14px;
  border: 1px solid #D9D2C6;
  border-left: 4px solid var(--amber);
  border-radius: 6px;
  background: #F7F4EC;
  color: #5A5E59;
  font-size: 13px;
  line-height: 1.5;
}

/* v11: homepage final CTA real engine support */
.final-cta-section {
  padding: 68px 0 78px;
  background: linear-gradient(180deg, #FAF8F2 0%, var(--warm-white) 100%);
}

.home-final-cta {
  position: relative;
  overflow: hidden;
  grid-template-columns: minmax(0, 1fr) auto;
  min-height: 280px;
  padding: 44px 48px;
  border: 1px solid rgba(232, 226, 213, 0.22);
  border-left: 5px solid var(--amber);
  background:
    linear-gradient(90deg, rgba(7, 19, 29, 0.98) 0%, rgba(7, 19, 29, 0.88) 42%, rgba(7, 19, 29, 0.44) 74%, rgba(7, 19, 29, 0.7) 100%),
    url("../images/engine-showcase-03.jpg") right 48% / cover no-repeat;
  box-shadow: 0 20px 48px rgba(7, 19, 29, 0.22);
}

.home-final-cta::before {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 4px;
  background: linear-gradient(90deg, var(--amber), rgba(217, 154, 30, 0.08));
}

.home-final-cta::after {
  content: "BKC V8 ENGINE";
  position: absolute;
  right: 34px;
  bottom: 24px;
  color: rgba(242, 239, 231, 0.08);
  font-family: "Arial Black", "Impact", "Inter", Arial, sans-serif;
  font-size: clamp(38px, 5.5vw, 82px);
  line-height: 0.9;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  pointer-events: none;
}

.home-final-cta > * {
  position: relative;
  z-index: 1;
}

.home-final-cta h2 {
  max-width: 780px;
  color: var(--warm-white);
  font-size: clamp(32px, 4vw, 58px);
  line-height: 0.98;
  text-shadow: 0 3px 0 rgba(0, 0, 0, 0.62), 0 14px 30px rgba(0, 0, 0, 0.28);
}

.home-final-cta p {
  max-width: 760px;
  color: #DED6C5;
  font-weight: 500;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.32);
}

.home-final-cta .section-actions {
  flex-wrap: nowrap;
  align-items: center;
  justify-content: flex-end;
  min-width: 320px;
  margin-top: 0;
}

.home-final-cta .btn:not(.primary) {
  background: rgba(7, 19, 29, 0.54);
  border-color: rgba(217, 154, 30, 0.78);
  color: #F2E8D0;
}

@media (max-width: 920px) {
  .home-final-cta {
    grid-template-columns: 1fr;
    padding: 34px 28px;
    background:
      linear-gradient(90deg, rgba(7, 19, 29, 0.98) 0%, rgba(7, 19, 29, 0.84) 100%),
      url("../images/engine-showcase-03.jpg") center / cover no-repeat;
  }

  .home-final-cta .section-actions {
    justify-content: flex-start;
    min-width: 0;
    margin-top: 24px;
  }
}

@media (max-width: 560px) {
  .home-final-cta .section-actions {
    flex-wrap: wrap;
  }
}