:root {
  --ink: #0A0F16; /* Deep dark blue/black for text */
  --paper: #FFFFFF; /* Pure white background */
  --surface: #F8FAFC; /* Light crisp gray for sections */
  --white: #FFFFFF;
  --copper: #226b53; /* Deep green from the logo for better harmony */
  --copper-hover: #184d3b;
  --muted: #64748B;
  --line: #E2E8F0;
  --pad: clamp(20px, 5vw, 80px);
  --header-height: 90px;
}

/* Reset */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  background: var(--paper);
  color: var(--ink);
  font-family: 'Manrope', sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
  overflow-x: hidden;
  padding-top: var(--header-height);
}
h1, h2, h3, h4, h5, h6 { font-family: 'Unbounded', sans-serif; line-height: 1.2; font-weight: 600; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; transition: 0.3s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
img { max-width: 100%; height: auto; display: block; }

.wrap { width: min(1320px, calc(100% - var(--pad)*2)); margin-inline: auto; }
.section-pad { padding-block: 100px; }
.section-surface { background: var(--surface); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 32px; font-weight: 600; font-size: 13px;
  border-radius: 2px; transition: 0.3s ease; text-transform: uppercase; letter-spacing: 0.08em;
}
.btn-primary { background: var(--copper); color: var(--white); }
.btn-primary:hover { background: var(--copper-hover); transform: translateY(-3px); box-shadow: 0 10px 20px rgba(194,130,92,0.2); }

/* Header */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; height: var(--header-height);
  background: rgba(255, 255, 255, 0.95); backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(0,0,0,0.05); z-index: 100;
  display: flex; align-items: center;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; width: 100%; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand span { display: flex; flex-direction: column; line-height: 1.1; }
.brand b { font-family: 'Unbounded', sans-serif; font-size: 20px; font-weight: 600; }
.brand small { font-size: 9px; letter-spacing: 0.1em; color: var(--muted); text-transform: uppercase; }
.nav-links { display: flex; gap: 36px; }
.nav-links a { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--ink); position: relative; }
.nav-links a::after { content: ''; position: absolute; left: 0; bottom: -4px; width: 0; height: 1px; background: var(--copper); transition: 0.3s ease; }
.nav-links a:hover::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 24px; }
.lang-switch a { font-size: 11px; font-weight: 700; color: var(--muted); margin-left: 8px; text-transform: uppercase; }
.lang-switch a.active { color: var(--ink); border-bottom: 1px solid var(--ink); }

/* Global Call To Action (Form Block) */
.cta-section { background: var(--ink); color: var(--white); padding-block: 100px; }
.cta-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.cta-content h2 { font-size: clamp(32px, 4vw, 48px); margin-bottom: 20px; }
.cta-content p { color: #94A3B8; font-size: 16px; margin-bottom: 30px; max-width: 450px; }
.cta-form { background: #111827; padding: 40px; border-radius: 4px; border: 1px solid rgba(255,255,255,0.05); }
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea { width: 100%; padding: 15px 0; background: transparent; border: none; border-bottom: 1px solid rgba(255,255,255,0.2); color: white; font-family: inherit; font-size: 14px; outline: none; transition: border-color 0.3s ease; }
.form-group input:focus, .form-group textarea:focus { border-color: var(--copper); }
.cta-form .btn { width: 100%; margin-top: 10px; }

/* Footer */
.site-footer { background: #05080C; color: var(--white); padding-block: 60px 30px; border-top: 1px solid rgba(255,255,255,0.05); }
.footer-grid { display: grid; grid-template-columns: 1fr 2fr; gap: 40px; margin-bottom: 60px; }
.footer-links { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.footer-links h4 { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin-bottom: 20px; font-family: 'Manrope', sans-serif; }
.footer-links a { display: block; color: #CBD5E1; font-size: 13px; margin-bottom: 12px; }
.footer-links a:hover { color: var(--copper); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 30px; display: flex; justify-content: space-between; font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

/* Animations */
.reveal { opacity: 0; transform: translateY(40px); transition: all 1s cubic-bezier(0.16, 1, 0.3, 1); }
.reveal.active { opacity: 1; transform: translateY(0); }
.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }

/* Home Specific */
.hero { min-height: calc(100vh - var(--header-height)); display: flex; align-items: center; position: relative; overflow: hidden; }
.hero-content { position: relative; z-index: 2; max-width: 800px; }
.hero-tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.15em; color: var(--copper); font-weight: 700; margin-bottom: 20px; display: block; }
.hero h1 { font-size: clamp(40px, 6vw, 72px); margin-bottom: 24px; color: var(--ink); }
.hero p { font-size: clamp(16px, 2vw, 20px); color: var(--muted); margin-bottom: 40px; max-width: 600px; }
.hero-bg-accent { position: absolute; right: 0; top: 0; width: 45%; height: 100%; background: var(--surface); z-index: 1; border-radius: 400px 0 0 400px; }

/* Partners */
.partners { padding-block: 60px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.partners h3 { text-align: center; font-size: 12px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); font-family: 'Manrope', sans-serif; margin-bottom: 40px; }
.partners-grid { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 30px; opacity: 0.5; filter: grayscale(100%); }
.partners-grid span { font-weight: 700; font-size: 24px; font-family: 'Unbounded', sans-serif; }

/* Mobile Menu CSS */
.mobile-menu-btn { display: none; background: none; border: none; color: var(--ink); cursor: pointer; padding: 5px; }
.mobile-overlay { position: fixed; inset: 0; background: var(--white); z-index: 200; display: flex; flex-direction: column; transform: translateX(100%); transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1); overflow-y: auto; }
.mobile-overlay.active { transform: translateX(0); }
.mobile-overlay-header { display: flex; justify-content: space-between; align-items: center; padding: 20px var(--pad); border-bottom: 1px solid var(--line); }
#mobile-close-btn { background: none; border: none; color: var(--ink); cursor: pointer; padding: 5px; display: flex; align-items: center; justify-content: center; }
.mobile-nav { display: flex; flex-direction: column; padding: 20px var(--pad); border-bottom: 1px solid var(--line); }
.mobile-nav a { padding: 15px 0; font-size: 18px; font-weight: 600; font-family: 'Unbounded', sans-serif; border-bottom: 1px solid rgba(0,0,0,0.05); color: var(--ink); text-decoration: none; }
.mobile-nav a:last-child { border-bottom: none; }
.mobile-lang { padding: 30px var(--pad); }

/* Media Queries */
@media (max-width: 992px) {
  .nav-links, .header-actions { display: none; }
  .mobile-menu-btn { display: block; }
  .cta-grid, .footer-grid { grid-template-columns: 1fr; }
  .hero-bg-accent { display: none; }
  .hero { text-align: center; justify-content: center; min-height: 70vh; position: relative; }
  .hero p { margin-inline: auto; }
}

/* Hero Video Background */
.hero-video-wrapper { position: absolute; inset: 0; z-index: 0; overflow: hidden; background: var(--surface); }
.hero-video { width: 100%; height: 100%; object-fit: cover; opacity: 0.6; }
.hero-video-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(248, 250, 252, 0.95) 0%, rgba(248, 250, 252, 0.6) 100%); }

/* Catalog / Products Page */
.page-hero { padding: 120px 0 60px; background-color: var(--surface); background-image: radial-gradient(var(--line) 1px, transparent 1px); background-size: 20px 20px; text-align: center; border-bottom: 1px solid rgba(0,0,0,0.05); }
.page-hero .section-tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--copper); font-weight: 700; margin-bottom: 15px; display: inline-block; background: var(--white); padding: 4px 12px; border-radius: 20px; border: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(32px, 5vw, 56px); margin-bottom: 15px; font-family: 'Unbounded', sans-serif; }
.page-hero p { color: var(--muted); max-width: 600px; margin-inline: auto; font-size: 16px; background: rgba(248,250,252,0.8); padding: 5px; border-radius: 4px; }

.catalog-tools { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 20px; margin-bottom: 50px; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; }
.filters button { padding: 8px 16px; border: 1px solid var(--line); border-radius: 4px; font-size: 11px; font-weight: 700; color: var(--muted); transition: 0.3s ease; text-transform: uppercase; letter-spacing: 0.05em; }
.filters button:hover { border-color: var(--copper); color: var(--copper); }
.filters button.active { background: var(--ink); border-color: var(--ink); color: var(--white); }
.filters button sup { font-size: 9px; margin-left: 4px; color: inherit; }

.search-box { position: relative; width: 100%; max-width: 320px; }
.search-box input { width: 100%; padding: 12px 16px; padding-right: 40px; border: 1px solid var(--line); border-radius: 4px; outline: none; font-size: 14px; background: transparent; transition: border-color 0.3s ease; }
.search-box input:focus { border-color: var(--copper); }
.search-box span { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: 20px; pointer-events: none; }

.catalog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 30px; }
.catalog-card { background: var(--white); border: 1px solid var(--line); border-radius: 6px; overflow: hidden; transition: transform 0.3s ease, box-shadow 0.3s ease; display: flex; flex-direction: column; }
.catalog-card:hover { transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.06); border-color: transparent; }
.catalog-img-wrap { height: 220px; background: var(--surface); position: relative; overflow: hidden; display: flex; justify-content: center; align-items: center; padding: 20px; }
.catalog-img-wrap img { width: auto; height: 100%; object-fit: contain; mix-blend-mode: multiply; transition: transform 0.5s ease; }
.catalog-card:hover .catalog-img-wrap img { transform: scale(1.05); }
.catalog-card-badge { position: absolute; top: 15px; left: 15px; background: var(--copper); color: var(--white); font-size: 10px; font-weight: 700; padding: 6px 10px; border-radius: 2px; text-transform: uppercase; letter-spacing: 0.05em; z-index: 2; }

.catalog-card-content { padding: 25px; display: flex; flex-direction: column; flex-grow: 1; }
.catalog-card-content small { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 8px; display: block; font-weight: 600; }
.catalog-card-content h3 { font-size: 18px; margin-bottom: 12px; font-family: 'Unbounded', sans-serif; line-height: 1.3; }
.catalog-card-content p { font-size: 13px; color: var(--muted); margin-bottom: 20px; flex-grow: 1; }

.catalog-specs { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 20px; padding-top: 15px; border-top: 1px solid var(--line); }
.catalog-specs-item dt { font-size: 10px; text-transform: uppercase; color: var(--muted); letter-spacing: 0.05em; margin-bottom: 2px; }
.catalog-specs-item dd { font-size: 13px; font-weight: 600; color: var(--ink); }
.catalog-card-content a.btn-link { font-weight: 700; text-decoration: none; color: var(--ink); font-size: 13px; text-transform: uppercase; letter-spacing: 0.05em; display: inline-flex; align-items: center; gap: 5px; }
.catalog-card-content a.btn-link:hover { color: var(--copper); }

/* Product Detail Page */
.product-page { padding: 60px 0; }
.breadcrumbs { font-size: 12px; color: var(--muted); margin-bottom: 30px; display: flex; gap: 10px; align-items: center; text-transform: uppercase; letter-spacing: 0.1em; }
.breadcrumbs a { color: var(--copper); text-decoration: none; }
.product-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: start; }
@media(max-width:800px) { .product-layout { grid-template-columns: 1fr; } }
.detail-image { background: var(--surface) no-repeat center/cover; aspect-ratio: 1; border-radius: 4px; position: relative; border: 1px solid var(--line); display: flex; align-items: flex-end; padding: 20px; }
.detail-image span { background: var(--ink); color: var(--white); padding: 5px 10px; font-size: 12px; font-weight: 700; border-radius: 2px; display: inline-block; }
.detail-copy .section-tag { font-size: 11px; letter-spacing: 0.1em; color: var(--copper); font-weight: 700; margin-bottom: 15px; display: block; }
.detail-copy h1 { font-size: 32px; margin-bottom: 20px; }
.detail-copy .lead { font-size: 18px; color: var(--muted); margin-bottom: 40px; line-height: 1.6; }
.detail-copy h3 { font-size: 14px; text-transform: uppercase; letter-spacing: 0.1em; margin-bottom: 20px; color: var(--ink); border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.spec-table { display: flex; flex-direction: column; gap: 15px; margin-bottom: 40px; }
.spec-table div { display: flex; justify-content: space-between; border-bottom: 1px dashed var(--line); padding-bottom: 5px; }
.spec-table dt { color: var(--muted); font-size: 14px; }
.spec-table dd { font-weight: 600; font-size: 14px; color: var(--ink); }
.download { display: inline-flex; align-items: center; gap: 8px; color: var(--ink); font-weight: 600; text-decoration: none; border: 1px solid var(--line); padding: 12px 20px; border-radius: 4px; margin-right: 15px; margin-bottom: 15px; }
.download:hover { background: var(--surface); }

/* Form Section override for product page */
.contact-section.compact { background: var(--ink); padding: 80px 0; margin-top: 60px; }
.contact-section.compact .section-tag.light { color: rgba(255,255,255,0.5); font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; display: block; margin-bottom: 15px; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
@media(max-width:800px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-copy h2 { font-size: 36px; margin-bottom: 20px; color: var(--white); }
.contact-copy p { color: rgba(255,255,255,0.7); font-size: 16px; line-height: 1.6; }
.form-card { background: var(--white); padding: 40px; border-radius: 8px; }
.form-card form { display: flex; flex-direction: column; gap: 15px; }
.btn-copper { background: var(--copper); color: var(--white); border-color: var(--copper); }
.btn-copper:hover { opacity: 0.9; }
.btn-link span { transition: transform 0.3s ease; }
.btn-link:hover span { transform: translateX(3px); }

/* About Page */
.about-intro { display: grid; grid-template-columns: 1fr 1.2fr; gap: 60px; align-items: center; }
.about-intro h2 { font-size: clamp(28px, 4vw, 42px); }
.about-intro p { font-size: 16px; color: var(--muted); line-height: 1.8; }

.timeline { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 30px; border-top: 1px solid var(--line); padding-top: 60px; margin-top: 60px; }
.timeline-item { position: relative; }
.timeline-item b { display: block; font-family: 'Unbounded', sans-serif; font-size: 28px; color: var(--copper); margin-bottom: 15px; }
.timeline-item h3 { font-size: 18px; margin-bottom: 10px; }
.timeline-item p { color: var(--muted); font-size: 14px; line-height: 1.6; }

.wide-photo { height: 450px; background-size: cover; background-position: center; background-attachment: fixed; position: relative; display: flex; align-items: center; justify-content: center; }
.wide-photo::after { content: ''; position: absolute; inset: 0; background: rgba(11, 17, 26, 0.7); }
.wide-photo-content { position: relative; z-index: 2; color: var(--white); text-align: center; }
.wide-photo-content b { font-family: 'Unbounded', sans-serif; font-size: clamp(60px, 8vw, 96px); display: block; color: var(--copper); line-height: 1; margin-bottom: 10px; }
.wide-photo-content span { font-size: 16px; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; }

.advantages-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 40px; }
.advantage-card { background: var(--white); padding: 40px; border-radius: 4px; border: 1px solid var(--line); transition: 0.3s ease; }
.advantage-card:hover { transform: translateY(-5px); border-color: var(--copper); box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.advantage-card span { font-family: 'Unbounded', sans-serif; color: var(--copper); font-size: 40px; font-weight: 700; opacity: 0.2; margin-bottom: 20px; display: block; }
.advantage-card h3 { font-size: 18px; margin-bottom: 15px; font-family: 'Unbounded', sans-serif; }
.advantage-card p { color: var(--muted); font-size: 14px; }

/* Documents Page */
.documents-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 20px; }
.doc-card { display: flex; align-items: center; gap: 20px; padding: 25px; background: var(--white); border: 1px solid var(--line); border-radius: 4px; transition: 0.3s ease; }
.doc-card:hover { border-color: var(--copper); box-shadow: 0 10px 20px rgba(0,0,0,0.03); transform: translateY(-3px); }
.doc-icon { width: 50px; height: 50px; background: rgba(194,130,92,0.1); color: var(--copper); font-family: 'Unbounded', sans-serif; font-size: 14px; font-weight: 700; display: flex; align-items: center; justify-content: center; border-radius: 4px; flex-shrink: 0; }
.doc-info { flex-grow: 1; }
.doc-info small { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; display: block; margin-bottom: 5px; }
.doc-info h3 { font-size: 16px; margin-bottom: 5px; color: var(--ink); }
.doc-info p { font-size: 13px; color: var(--muted); }
.doc-arrow { color: var(--muted); font-size: 20px; transition: 0.3s ease; }
.doc-card:hover .doc-arrow { color: var(--copper); transform: translateY(3px); }