:root {
    --ink: #0f172a;
    --primary: #1e3a8a;
    --accent: #93c5fd;
    --paper: #f8fafc;
    --muted: #475569;
    --line: #cbd5e1;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, Arial, sans-serif; color: var(--ink); background: #fff; }
a { color: inherit; text-decoration: none; }
.wrap { width: min(1200px, calc(100% - 48px)); margin: auto; }

.top { height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 30px; }
.brand { font-size: 30px; font-weight: 850; letter-spacing: -1.7px; }
.brand span { color: var(--primary); }
nav { display: flex; gap: 27px; align-items: center; font-size: 13px; font-weight: 700; color: #1e293b; }
nav a:hover { color: var(--primary); }

.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 12px;
    background: var(--primary); color: #fff; border-radius: 3px; padding: 14px 19px;
    font-size: 12px; letter-spacing: .08em; text-transform: uppercase; font-weight: 800; cursor: pointer;
}

.hero {
    position: relative; 
    min-height: 800px; 
    display: flex; 
    align-items: center; 
    color: white; 
    background: linear-gradient(90deg, rgba(15,23,42,.85) 0%, rgba(15,23,42,.62) 50%, rgba(15,23,42,.3) 100%), url('images/hero.png') center/cover no-repeat;
}
.hero-content { position: relative; z-index: 1; padding: 60px 0; max-width: 700px; }
.eyebrow { font-size: 12px; letter-spacing: .2em; text-transform: uppercase; font-weight: 800; color: var(--accent); }
h1 { font-size: clamp(40px, 5vw, 68px); line-height: 1.05; letter-spacing: -.04em; margin: 15px 0; }
.hero p { color: #e2e8f0; font-size: 16px; line-height: 1.7; margin: 0 0 25px; }
.product { border: 1px solid var(--line); background: #fff; }
.product-body { padding: 24px; }
.product h3 { font-size: 22px; margin: 0 0 6px; }
.spec { font-size: 12px; color: var(--primary); font-weight: 800; letter-spacing: .05em; margin-bottom: 10px; }
.product p { font-size: 15px; line-height: 1.6; color: var(--muted); margin: 0; }

.contact { background: #0f172a; color: white; padding: 60px 0; }
.contact-inner { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.contact h2 { font-size: clamp(28px, 3.5vw, 40px); margin: 8px 0; }
.contact p { color: #cbd5e1; font-size: 15px; margin: 0; }
.contact .btn { background: var(--accent); color: #0f172a; white-space: nowrap; }

footer { padding: 25px 0; background: #020617; color: #94a3b8; font-size: 12px; }
.foot { display: flex; justify-content: space-between; align-items: center; }

.lang-toggle { background: transparent; border: 1px solid var(--line); color: var(--ink); padding: 6px 10px; font-size: 12px; font-weight: 800; border-radius: 3px; cursor: pointer; text-transform: uppercase; }
.lang-toggle:hover { border-color: var(--primary); color: var(--primary); }

@media(max-width: 620px) {
    .contact-inner { flex-direction: column; align-items: flex-start; }
    .foot { flex-direction: column; align-items: flex-start; gap: 10px; }
}

/* Expanded content styling. Existing .hero and hero typography rules are intentionally preserved. */
.brand { white-space: nowrap; }
.lang-toggle { white-space: nowrap; }
.section-heading { max-width: 790px; margin: 0 auto 38px; text-align: center; }
.section-heading h2 { font-size: clamp(30px, 4vw, 46px); line-height: 1.1; letter-spacing: -.04em; margin: 12px 0 14px; }
.section-heading p { color: var(--muted); font-size: 15px; line-height: 1.85; margin: 0 auto; max-width: 700px; }
.product-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 20px; }
.product { border: 1px solid #e2e8f0; border-radius: 5px; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.product:hover { transform: translateY(-4px); box-shadow: 0 16px 36px rgba(15,23,42,.09); }
.product-visual { height: 235px; overflow: hidden; background: #f1f5f9; }
.product-visual a, .product-visual img { display: block; width: 100%; height: 100%; }
.product-visual img { object-fit: cover; transition: transform .4s ease; }
.product:hover .product-visual img { transform: scale(1.025); }
.product-body { padding: 25px; }
.product-number { color: #64748b; font-size: 12px; font-weight: 800; letter-spacing: .12em; margin-bottom: 16px; }
.product h3 { line-height: 1.25; }
.product p { line-height: 1.8; min-height: 132px; }
.spec { line-height: 1.6; }
.services { padding-top: 88px; padding-bottom: 92px; }
.service-grid { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); border-top: 1px solid #cbd5e1; }
.service-card { padding: 27px 22px 10px; border-right: 1px solid #cbd5e1; }
.service-card:first-child { padding-left: 0; }
.service-card:last-child { border-right: 0; }
.service-card > span { color: var(--primary); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.service-card h3 { font-size: 17px; line-height: 1.3; margin: 24px 0 12px; }
.service-card p { color: var(--muted); font-size: 15px; line-height: 1.8; margin: 0; }
.project-band { background: #f1f5f9; border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; padding: 56px 0; }
.project-inner { display: grid; grid-template-columns: 1.1fr .9fr auto; align-items: center; gap: 35px; }
.project-inner h2 { font-size: clamp(25px, 3vw, 36px); line-height: 1.15; margin: 10px 0 0; letter-spacing: -.03em; }
.project-inner > p { color: var(--muted); font-size: 15px; line-height: 1.8; margin: 0; }
.contact { padding: 70px 0; }
.contact-eyebrow { color: var(--accent); }
.contact h2 { line-height: 1.12; }
.contact p { max-width: 600px; line-height: 1.8; margin: 0 0 15px; }
.contact-details { color: #cbd5e1; font-size: 13px; line-height: 1.9; }
.contact-details a { color: #fff; }
.contact-details a:hover, footer a:hover { text-decoration: underline; }
.contact .btn { background: var(--accent); color: #0f172a; }
footer { padding: 25px 0; }
footer a { color: inherit; }
@media(max-width: 980px) {
 .product-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .product-grid .product:last-child { grid-column: 1 / -1; }
 .product p { min-height: 0; }
 .service-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
 .service-card:nth-child(2) { border-right: 0; }
 .service-card:nth-child(3) { padding-left: 0; }
 .service-card:nth-child(4) { border-right: 0; }
 .project-inner { grid-template-columns: 1fr 1fr; }
 .project-inner .btn { grid-column: 1 / -1; justify-self: start; }
}
@media(max-width: 620px) {
 .hero { min-height: 660px; }
 .product-grid { grid-template-columns: 1fr; }
 .product-grid .product:last-child { grid-column: auto; }
 .product-visual { height: 225px; }
 .services { padding-top: 62px; padding-bottom: 65px; }
 .service-grid { grid-template-columns: 1fr; }
 .service-card, .service-card:first-child, .service-card:nth-child(3) { border-right: 0; border-bottom: 1px solid #cbd5e1; padding: 22px 0; }
 .service-card:last-child { border-bottom: 0; }
 .service-card h3 { margin-top: 12px; }
 .project-inner { grid-template-columns: 1fr; gap: 18px; }
 .project-inner .btn { grid-column: auto; }
 .contact { padding: 55px 0; }
 .contact-inner { align-items: flex-start; }
}
@media(prefers-reduced-motion: reduce) {
 html { scroll-behavior: auto; }
 *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}


/* Extended editorial content: hero styles intentionally untouched */
.applications-section { padding: 88px 0 82px; background: #fff; }
.section-heading-left { text-align: left; margin-left: 0; margin-right: 0; max-width: 860px; }
.section-heading-left p { margin-left: 0; }
.application-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 18px; margin-top: 36px; }
.application-card { padding: 29px 27px; border: 1px solid #e2e8f0; border-top: 3px solid var(--primary); background: #fff; min-height: 250px; }
.application-number { color: #64748b; font-size: 12px; font-weight: 800; letter-spacing: .14em; }
.application-card h3 { font-size: 19px; line-height: 1.3; margin: 27px 0 13px; }
.application-card p, .section-note { color: var(--muted); font-size: 15px; line-height: 1.9; }
.section-note { margin: 23px 0 0; font-size: 13px; }
.workflow-section { background: var(--paper); border-top: 1px solid #e2e8f0; border-bottom: 1px solid #e2e8f0; padding: 88px 0; }
.workflow-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 75px; align-items: start; }
.workflow-intro h2 { font-size: clamp(30px, 3.7vw, 44px); line-height: 1.1; letter-spacing: -.04em; margin: 13px 0 17px; }
.workflow-intro p { color: var(--muted); font-size: 15px; line-height: 1.9; }
.workflow-intro .eyebrow, .applications-section .eyebrow, .faq-section .eyebrow { color: var(--primary); }
.workflow-steps { border-top: 1px solid #cbd5e1; }
.workflow-steps article { display: grid; grid-template-columns: 42px 1fr; gap: 16px; padding: 21px 0; border-bottom: 1px solid #cbd5e1; }
.workflow-steps article > span { color: var(--primary); font-weight: 800; font-size: 13px; letter-spacing: .12em; padding-top: 3px; }
.workflow-steps h3 { margin: 0 0 8px; font-size: 16px; }
.workflow-steps p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.85; }
.faq-section { padding: 88px 0 94px; }
.faq-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 40px; border-top: 1px solid #cbd5e1; }
.faq-grid article { padding: 24px 0 26px; border-bottom: 1px solid #cbd5e1; }
.faq-grid h3 { font-size: 17px; line-height: 1.4; margin: 0 0 10px; }
.faq-grid p { color: var(--muted); font-size: 15px; line-height: 1.9; margin: 0; }
.product p { min-height: 0; }
@media(max-width: 900px) { .workflow-grid { grid-template-columns: 1fr; gap: 30px; } .application-grid { grid-template-columns: 1fr 1fr; } .application-card:last-child { grid-column: 1 / -1; } }
@media(max-width: 620px) { .applications-section, .workflow-section, .faq-section { padding: 60px 0; } .application-grid, .faq-grid { grid-template-columns: 1fr; } .application-card:last-child { grid-column: auto; } .application-card { min-height: 0; padding: 24px; } .section-heading-left { margin-bottom: 25px; } }


/* Premium brochure download card */
.brochure-card { grid-column: 1 / -1; display: grid; grid-template-columns: minmax(240px, .82fr) 1.18fr; gap: 0; overflow: hidden; border: 1px solid #dbe3ee; border-radius: 18px; background: linear-gradient(135deg, #f7f9fc 0%, #ffffff 72%); box-shadow: 0 18px 46px rgba(11,19,43,.09); min-height: 300px; }
.brochure-preview { position: relative; display: block; min-height: 300px; padding: 22px; background: #e8edf5; overflow: hidden; }
.brochure-preview img { display: block; width: 100%; height: 100%; min-height: 256px; max-height: 390px; object-fit: contain; object-position: center; filter: drop-shadow(0 12px 18px rgba(11,19,43,.17)); transition: transform .25s ease; }
.brochure-preview:hover img { transform: translateY(-3px) scale(1.015); }
.brochure-preview-label { position: absolute; left: 32px; bottom: 31px; padding: 8px 12px; border-radius: 99px; background: rgba(11,19,43,.92); color: #fff; font-size: 12px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.brochure-copy { align-self: center; padding: 38px clamp(26px, 5vw, 64px); }
.brochure-copy h3 { margin: 18px 0 12px; font-size: clamp(24px, 3vw, 34px); line-height: 1.15; letter-spacing: -.035em; color: var(--ink); }
.brochure-copy p { max-width: 560px; margin: 0 0 24px; color: #536176; font-size: 15px; line-height: 1.85; }
.brochure-button { display: inline-flex; align-items: center; gap: 16px; padding: 13px 19px; border-radius: 5px; background: var(--primary); color: #fff; text-decoration: none; font-size: 13px; font-weight: 800; letter-spacing: .025em; transition: transform .2s ease, box-shadow .2s ease; box-shadow: 0 8px 18px rgba(30,58,138,.18); }
.brochure-button:hover { transform: translateY(-2px); box-shadow: 0 12px 22px rgba(30,58,138,.24); }
@media(max-width: 700px) { .brochure-card { grid-template-columns: 1fr; } .brochure-preview { min-height: 250px; padding: 18px; } .brochure-preview img { min-height: 220px; max-height: 310px; } .brochure-copy { padding: 28px 24px 32px; } }


/* ---- Header: sticky + mobile menu ---- */
html { scroll-padding-top: 90px; }
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 1px solid #e2e8f0; backdrop-filter: blur(6px); }
.menu-toggle { display: none; width: 44px; height: 44px; padding: 10px; border: 1px solid var(--line); border-radius: 3px; background: #fff; cursor: pointer; flex-direction: column; justify-content: center; gap: 5px; }
.menu-toggle span { display: block; height: 2px; background: var(--ink); }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 100; background: var(--primary); color: #fff; padding: 10px 14px; border-radius: 3px; font-size: 13px; font-weight: 700; }
.skip-link:focus { left: 8px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.lang-toggle { min-height: 34px; }
.lang-toggle strong { color: var(--primary); }
@media(max-width: 900px) {
    .top { height: 70px; flex-direction: row; align-items: center; padding: 0; }
    .menu-toggle { display: flex; }
    nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid #e2e8f0; padding: 8px 24px 18px; font-size: 14px; width: auto; }
    nav.open { display: flex; }
    nav a { padding: 14px 0; border-bottom: 1px solid #eef2f7; }
    nav .lang-toggle { align-self: flex-start; margin-top: 14px; }
}

/* ---- Spec table ---- */
.spec-table-wrap { overflow-x: auto; margin-top: 30px; border: 1px solid #e2e8f0; }
.hybrid-spec-table { width: 100%; border-collapse: collapse; background: #fff; text-align: left; font-size: 15px; }
.hybrid-spec-table thead th { padding: 15px; background: var(--ink); color: #fff; font-weight: 700; }
.hybrid-spec-table tbody th, .hybrid-spec-table td { padding: 14px 15px; border-bottom: 1px solid #e2e8f0; font-weight: 400; }
.hybrid-spec-table tbody th { color: var(--muted); }
.hybrid-spec-table tbody tr:last-child th, .hybrid-spec-table tbody tr:last-child td { border-bottom: 0; }
.application-grid-tight { margin-top: 24px; }

/* ---- Contact form ---- */
.contact-inner { align-items: flex-start; }
.contact-inner > div:first-child { flex: 1 1 0; min-width: 0; }
.contact-form { flex: 0 0 min(480px, 100%); display: grid; gap: 14px; }
.contact-form label { display: grid; gap: 6px; }
.contact-form .lbl { font-size: 13px; font-weight: 700; color: #e2e8f0; }
.contact-form input, .contact-form textarea { width: 100%; font: inherit; font-size: 15px; color: var(--ink); background: #fff; border: 1px solid var(--line); border-radius: 3px; padding: 11px 12px; }
.contact-form textarea { resize: vertical; }
.contact-form .btn { justify-self: start; border: 0; }
.contact-form .form-note { font-size: 13px; line-height: 1.6; color: #cbd5e1; margin: 0; }
.contact-form .form-note a { color: #fff; text-decoration: underline; }
@media(max-width: 900px) { .contact-inner { flex-direction: column; } .contact-form { flex-basis: auto; width: 100%; } }

/* Section labels on light backgrounds need a darker colour for contrast */
.products-section .eyebrow, .services .eyebrow { color: var(--primary); }