:root {
  --ink: #11100f;
  --soft-ink: #24211e;
  --paper: #f4f3f0;
  --white: #fff;
  --line: #d8d5cf;
  --muted: #6f6a64;
  --orange: #f0440a;
  --orange-dark: #cf3504;
  --max: 1280px;
}

* { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Arial, Helvetica, sans-serif; letter-spacing: 0; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, select, textarea { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header { height: 82px; padding: 0 max(24px, calc((100vw - var(--max)) / 2)); display: flex; align-items: center; justify-content: space-between; background: rgba(244,243,240,.94); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 50; backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 13px; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 51px; height: 43px; background: var(--ink); color: var(--white); font-weight: 900; font-size: 23px; font-style: italic; border-right: 6px solid var(--orange); }
.brand-copy { font-size: 12px; line-height: 1.05; font-weight: 800; text-transform: uppercase; }
.brand-copy small { display: block; margin-top: 4px; color: var(--muted); font-size: 9px; font-weight: 500; }
.site-nav { display: flex; align-items: center; gap: 34px; font-size: 13px; font-weight: 700; }
.site-nav > a:not(.nav-cta) { border-bottom: 1px solid transparent; padding: 8px 0; }
.site-nav > a:not(.nav-cta):hover { border-color: var(--orange); }
.nav-cta { padding: 13px 19px; color: var(--white); background: var(--ink); }
.menu-button { display: none; border: 0; background: transparent; width: 40px; height: 40px; padding: 9px; }
.menu-button span:not(.sr-only) { display: block; width: 100%; height: 2px; margin: 5px 0; background: var(--ink); }

.hero { min-height: calc(100vh - 82px); max-height: 900px; display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr); position: relative; overflow: hidden; background: var(--paper); }
.hero-copy { min-width: 0; padding: 9vh max(35px, calc((100vw - var(--max)) / 2)) 90px max(24px, calc((100vw - var(--max)) / 2)); align-self: center; }
.eyebrow { margin: 0 0 24px; display: flex; align-items: center; gap: 10px; color: var(--muted); font-size: 11px; line-height: 1; font-weight: 800; text-transform: uppercase; }
.eyebrow span { display: inline-block; width: 26px; height: 3px; background: var(--orange); }
.hero h1 { margin: 0; max-width: 630px; font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-weight: 400; font-size: clamp(56px, 6vw, 96px); line-height: .92; text-transform: uppercase; }
.hero h1 em { color: var(--orange); font-style: normal; }
.hero-intro { max-width: 510px; margin: 31px 0 0; color: #514d48; font-size: 18px; line-height: 1.55; }
.hero-actions { display: flex; align-items: center; gap: 28px; margin-top: 38px; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 51px; border: 0; padding: 0 24px; font-size: 12px; font-weight: 800; text-transform: uppercase; cursor: pointer; }
.button-primary { background: var(--orange); color: var(--white); }
.button-primary:hover { background: var(--orange-dark); }
.button-dark { color: var(--white); background: var(--ink); }
.text-link { font-size: 13px; font-weight: 800; border-bottom: 1px solid var(--ink); padding: 9px 0; }
.text-link span { color: var(--orange); margin-left: 7px; }
.hero-facts { display: flex; gap: 34px; margin: 48px 0 0; padding-top: 24px; border-top: 1px solid var(--line); }
.hero-facts div { min-width: 90px; }
.hero-facts dt { font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-size: 26px; }
.hero-facts dd { margin: 5px 0 0; color: var(--muted); font-size: 10px; text-transform: uppercase; }
.hero-visual { background: #dedbd5; display: grid; place-items: center; padding: 42px; position: relative; }
.hero-visual::before { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(17,16,15,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(17,16,15,.045) 1px, transparent 1px); background-size: 38px 38px; }
.image-stage { position: relative; width: min(86%, 700px); z-index: 1; }
.image-stage img { width: 100%; mix-blend-mode: multiply; }
.visual-label { position: absolute; padding: 9px 12px; color: var(--white); background: var(--ink); font-size: 10px; font-weight: 800; text-transform: uppercase; box-shadow: 5px 5px 0 var(--orange); }
.label-top { top: 11%; right: -3%; }
.label-bottom { bottom: 12%; left: -3%; }
.load-note { position: absolute; right: 20px; bottom: 14px; z-index: 2; margin: 0; color: #66615b; font-size: 9px; }

.use-strip { display: grid; grid-template-columns: repeat(6, 1fr); background: var(--ink); color: var(--white); }
.use-strip span { min-height: 67px; display: grid; place-items: center; padding: 8px; border-right: 1px solid #373431; font-size: 10px; font-weight: 800; text-align: center; text-transform: uppercase; }
.use-strip span::before { content: "+"; color: var(--orange); margin-right: 7px; }

.section { max-width: var(--max); margin: 0 auto; padding: 112px 24px; }
.section-heading { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(280px, .7fr); gap: 60px; align-items: end; margin-bottom: 55px; }
.section-heading h2, .spec-copy h2, .faq-title h2, .inquiry h2, .engineering h2 { margin: 0; font-family: Impact, Haettenschweiler, "Arial Narrow Bold", sans-serif; font-weight: 400; font-size: clamp(42px, 5vw, 72px); line-height: .98; text-transform: uppercase; }
.section-heading > p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.6; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.product-card { min-width: 0; background: var(--white); border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-card-wide { grid-column: span 2; display: grid; grid-template-columns: 1.1fr .9fr; }
.product-image { aspect-ratio: 1 / 1; padding: 26px; display: grid; place-items: center; background: #efeeeb; overflow: hidden; }
.product-image img { width: 100%; height: 100%; object-fit: contain; transition: transform .5s ease; mix-blend-mode: multiply; }
.product-card:hover .product-image img { transform: scale(1.035); }
.product-info { padding: 25px 26px 29px; position: relative; }
.product-card-wide .product-info { display: flex; flex-direction: column; justify-content: center; }
.product-index { position: absolute; right: 24px; top: 23px; color: var(--orange); font-size: 11px; font-weight: 800; }
.product-type { margin: 0 0 11px; color: var(--muted); font-size: 10px; font-weight: 800; text-transform: uppercase; }
.product-info h3 { margin: 0; font-size: 22px; text-transform: uppercase; }
.product-info > p:not(.product-type) { min-height: 58px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.product-info a { display: inline-flex; gap: 8px; margin-top: 4px; font-size: 11px; font-weight: 800; text-transform: uppercase; }
.product-info a span { color: var(--orange); }
.product-card-dark { color: var(--white); background: var(--soft-ink); }
.product-card-dark .product-image { background: #d9d7d2; }
.product-card-dark .product-type, .product-card-dark .product-info > p:not(.product-type) { color: #bdb9b4; }

.engineering { display: grid; grid-template-columns: 1fr 1fr; min-height: 740px; color: var(--white); background: var(--ink); }
.engineering-media { min-height: 620px; padding: 70px; display: grid; place-items: center; overflow: hidden; background: #e9e7e2; }
.engineering-media img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.engineering-copy { padding: 90px max(30px, calc((100vw - var(--max)) / 2)) 90px 7vw; display: flex; flex-direction: column; justify-content: center; }
.eyebrow-light { color: #aaa49d; }
.engineering-copy .lead { max-width: 560px; margin: 30px 0 0; color: #bab5ae; font-size: 16px; line-height: 1.6; }
.feature-list { margin-top: 48px; border-top: 1px solid #383532; }
.feature-list article { display: grid; grid-template-columns: 50px 1fr; gap: 17px; padding: 24px 0; border-bottom: 1px solid #383532; }
.feature-list article > span { color: var(--orange); font-size: 11px; font-weight: 800; }
.feature-list h3 { margin: 0 0 7px; font-size: 14px; text-transform: uppercase; }
.feature-list p { margin: 0; color: #aaa49d; font-size: 13px; line-height: 1.5; }

.specs { display: grid; grid-template-columns: .85fr 1.15fr; gap: 70px; align-items: center; }
.spec-copy > p:not(.eyebrow) { margin: 25px 0 34px; color: var(--muted); line-height: 1.65; }
.spec-table { margin: 0 0 35px; border-top: 1px solid var(--line); }
.spec-table div { display: flex; justify-content: space-between; gap: 20px; padding: 14px 0; border-bottom: 1px solid var(--line); font-size: 12px; }
.spec-table dt { color: var(--muted); text-transform: uppercase; }
.spec-table dd { margin: 0; font-weight: 800; text-align: right; }
.spec-image { padding: 42px; background: #e3e1dc; }
.spec-image img { mix-blend-mode: multiply; }

.installation { padding: 112px max(24px, calc((100vw - var(--max)) / 2)); background: #e6e3dd; }
.section-heading.compact { grid-template-columns: 1fr .6fr; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; border-top: 1px solid #bcb8b1; border-left: 1px solid #bcb8b1; list-style: none; }
.steps li { min-height: 235px; padding: 27px 25px; border-right: 1px solid #bcb8b1; border-bottom: 1px solid #bcb8b1; }
.steps span { color: var(--orange); font-family: Impact, sans-serif; font-size: 33px; }
.steps h3 { margin: 38px 0 10px; font-size: 14px; text-transform: uppercase; }
.steps p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.installation-note { margin: 14px 0 0; color: var(--muted); font-size: 10px; }

.faq { display: grid; grid-template-columns: .7fr 1.3fr; gap: 80px; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { padding: 24px 0; display: flex; justify-content: space-between; gap: 20px; font-size: 15px; font-weight: 800; cursor: pointer; list-style: none; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { color: var(--orange); font-size: 20px; transition: transform .2s; }
.faq-list details[open] summary span { transform: rotate(45deg); }
.faq-list details p { margin: -4px 40px 24px 0; color: var(--muted); font-size: 13px; line-height: 1.65; }

.inquiry { display: grid; grid-template-columns: .8fr 1.2fr; gap: 8vw; padding: 110px max(24px, calc((100vw - var(--max)) / 2)); color: var(--white); background: var(--soft-ink); }
.inquiry-intro > p:not(.eyebrow) { max-width: 480px; color: #aaa49d; line-height: 1.6; }
.contact-block { margin-top: 52px; }
.contact-block span { display: block; margin-bottom: 8px; color: #8e8982; font-size: 9px; font-weight: 800; text-transform: uppercase; }
.contact-block a { color: var(--orange); font-size: 18px; font-weight: 800; }
.inquiry-form { display: grid; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.inquiry-form label { display: grid; gap: 8px; color: #aaa49d; font-size: 9px; font-weight: 800; text-transform: uppercase; }
.inquiry-form input, .inquiry-form select, .inquiry-form textarea { width: 100%; border: 1px solid #514d48; border-radius: 0; outline: 0; padding: 14px 13px; color: var(--white); background: #2e2b28; font-size: 13px; text-transform: none; }
.inquiry-form input:focus, .inquiry-form select:focus, .inquiry-form textarea:focus { border-color: var(--orange); }
.inquiry-form textarea { resize: vertical; }
.form-submit { margin-top: 4px; justify-content: space-between; }
.form-note { margin: -8px 0 0; color: #817c76; font-size: 9px; }

footer { padding: 70px max(24px, calc((100vw - var(--max)) / 2)) 30px; display: grid; grid-template-columns: 1.5fr 1fr .5fr; gap: 60px; color: #c6c2bc; background: var(--ink); border-top: 1px solid #34312f; font-size: 11px; line-height: 1.6; }
.footer-brand p { max-width: 270px; }
.footer-label { color: #736e68; font-size: 9px; font-weight: 800; text-transform: uppercase; }
footer > div:nth-child(3) { display: flex; flex-direction: column; }
footer > div:nth-child(3) a { margin-bottom: 6px; }
.copyright { grid-column: 1 / -1; margin: 25px 0 0; padding-top: 25px; border-top: 1px solid #34312f; color: #6e6963; }

@media (max-width: 1000px) {
  .hero { grid-template-columns: 1fr 1fr; }
  .hero-copy { padding-right: 28px; }
  .hero-facts { gap: 18px; }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .product-card-wide { grid-column: span 2; }
  .engineering-copy { padding: 70px 35px; }
  .specs { gap: 35px; }
}

@media (max-width: 760px) {
  .site-header { height: 70px; }
  .brand-copy { display: none; }
  .menu-button { display: block; position: relative; z-index: 2; }
  .site-nav { position: fixed; inset: 0; padding: 110px 24px 40px; display: flex; flex-direction: column; align-items: stretch; gap: 6px; visibility: hidden; pointer-events: none; background: var(--paper); transform: translateX(100%); transition: transform .25s ease, visibility 0s linear .25s; }
  .site-nav.open { visibility: visible; pointer-events: auto; transform: translateX(0); transition-delay: 0s; }
  .site-nav a { padding: 17px 0; font-size: 18px; border-bottom: 1px solid var(--line); }
  .site-nav .nav-cta { margin-top: 20px; padding: 17px; text-align: center; }
  .hero { min-height: 0; max-height: none; grid-template-columns: 1fr; }
  .hero-copy { padding: 72px 24px 50px; }
  .hero h1 { max-width: 100%; font-size: 48px; overflow-wrap: anywhere; }
  .hero-intro { font-size: 16px; }
  .hero-actions { align-items: flex-start; flex-direction: column; gap: 13px; }
  .hero-facts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 9px; }
  .hero-facts div { min-width: 0; }
  .hero-facts dt { font-size: 21px; }
  .hero-facts dd { font-size: 8px; }
  .hero-visual { min-height: 410px; padding: 25px; }
  .image-stage { width: 95%; }
  .visual-label { font-size: 8px; }
  .load-note { display: none; }
  .use-strip { grid-template-columns: repeat(3, 1fr); }
  .use-strip span { min-height: 54px; }
  .section { padding: 78px 20px; }
  .section-heading, .section-heading.compact { grid-template-columns: 1fr; gap: 24px; margin-bottom: 36px; }
  .section-heading h2, .spec-copy h2, .faq-title h2, .inquiry h2, .engineering h2 { font-size: 46px; }
  .product-grid { grid-template-columns: 1fr; }
  .product-card, .product-card-wide { grid-column: auto; display: block; }
  .product-image { aspect-ratio: 1 / .86; }
  .engineering { grid-template-columns: 1fr; }
  .engineering-media { min-height: 430px; padding: 35px; }
  .engineering-copy { padding: 70px 24px; }
  .specs { grid-template-columns: 1fr; }
  .spec-image { padding: 18px; }
  .installation { padding: 78px 20px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .steps li { min-height: 205px; }
  .steps h3 { margin-top: 23px; }
  .faq { grid-template-columns: 1fr; gap: 40px; }
  .inquiry { grid-template-columns: 1fr; padding: 78px 20px; gap: 55px; }
  .field-row { grid-template-columns: 1fr; }
  footer { grid-template-columns: 1fr; gap: 30px; }
  .copyright { grid-column: auto; }
}

@media (max-width: 420px) {
  .hero h1 { font-size: 36px; }
  .steps { grid-template-columns: 1fr; }
  .steps li { min-height: 170px; }
  .contact-block a { font-size: 15px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}