/* Zorastra ?B2B LFP Battery & Solar Solutions Stylesheet */
:root {
  --blue: #0066CC;
  --blue-dark: #0052a3;
  --blue-light: #dbeafe;
  --blue-xlight: #eff6ff;
  --white: #FFFFFF;
  --text-dark: #0D1117;
  --text-body: #2C3E50;
  --text-muted: #6B7280;
  --border: #D1D9E6;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 30px rgba(0,0,0,0.10);
  --shadow-nav: 0 2px 16px rgba(0,102,204,0.15);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition: 0.3s ease;
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --max-w: 1280px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text-body);
  background: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}
a { color: var(--blue); text-decoration: none; }
a:hover { color: var(--blue-dark); }
ul { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

.container { width: 100%; max-width: var(--max-w); margin: 0 auto; padding: 0 40px; }

/* NAV */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000; height: 72px;
  background: rgba(255,255,255,0.97); backdrop-filter: blur(10px);
  transition: box-shadow var(--transition);
}
.nav.scrolled { box-shadow: var(--shadow-nav); }
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; height: 72px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 700; color: var(--text-dark);
  flex: 0 0 auto;
}
.nav-links { display: flex; align-items: center; gap: 4px; flex: 1 1 auto; justify-content: center; }
.nav-links a {
  padding: 6px 14px; font-size: 0.88rem; font-weight: 500;
  color: var(--text-body); border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}
.nav-links a:hover { color: var(--blue); background: var(--blue-xlight); }
.nav-cta {
  margin-left: 8px; padding: 9px 20px !important;
  background: var(--blue) !important; color: var(--white) !important;
  font-weight: 600 !important; border-radius: var(--radius-sm) !important;
  transition: background var(--transition), transform 0.2s !important;
}
.nav-cta:hover { background: var(--blue-dark) !important; transform: translateY(-1px); }

.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text-dark); border-radius: 2px; }
.nav-mobile { display: none; position: fixed; top: 72px; left: 0; right: 0; background: var(--white); border-top: 1px solid var(--border); box-shadow: var(--shadow-lg); padding: 20px; z-index: 999; flex-direction: column; gap: 4px; }
.nav-mobile.open { display: flex; }
.nav-mobile a { padding: 12px 16px; font-size: 1rem; font-weight: 500; color: var(--text-body); border-radius: var(--radius-sm); }
.nav-mobile .nav-cta-mobile { margin-top: 8px; padding: 12px 24px; background: var(--blue); color: var(--white); font-weight: 600; border-radius: var(--radius-sm); text-align: center; display: block; }

/* HERO */
.hero { padding: 130px 0 0; background: linear-gradient(180deg, var(--blue-xlight) 0%, var(--white) 60%);; overflow: hidden; }
.hero-inner { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 60px; align-items: center; padding-bottom: 50px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 16px; background: var(--blue-light);
  border: 1px solid rgba(0,102,204,0.2); border-radius: 50px;
  font-size: 0.8rem; font-weight: 600; color: var(--blue-dark); margin-bottom: 20px;
}
.hero-badge-dot { width: 8px; height: 8px; background: var(--blue); border-radius: 50%; flex-shrink: 0; }
.hero h1 { font-size: 2.8rem; font-weight: 800; line-height: 1.15; color: var(--text-dark); margin-bottom: 18px; }
.hero h1 .blue { color: var(--blue); }
.hero-sub { font-size: 1.05rem; color: var(--text-muted); margin-bottom: 28px; max-width: 520px; line-height: 1.7; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; background: var(--blue); color: var(--white);
  font-weight: 600; font-size: 0.95rem; border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.2s, box-shadow var(--transition);
}
.btn-primary:hover { background: var(--blue-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,102,204,0.3); color: var(--white); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; background: transparent; color: var(--blue);
  font-weight: 600; font-size: 0.95rem;
  border: 2px solid var(--blue); border-radius: var(--radius-sm);
  transition: background var(--transition), color var(--transition), transform 0.2s;
}
.btn-secondary:hover { background: var(--blue); color: var(--white); transform: translateY(-2px); }

.hero-visual { position: relative; height: 360px; display: flex; align-items: center; justify-content: center; }
.hero-module-render svg { width: 260px; height: auto; filter: drop-shadow(0 8px 24px rgba(0,102,204,0.12)); }

.stats-strip { background: var(--white); padding: 28px 0; margin-top: 30px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.stat-item { text-align: center; padding: 14px 16px; border-right: 1px solid var(--border); }
.stat-item:last-child { border-right: none; }
.stat-number { font-size: 1.6rem; font-weight: 800; color: var(--blue-dark); line-height: 1.2; }
.stat-label { font-size: 0.75rem; font-weight: 500; color: var(--text-secondary); text-transform: uppercase; letter-spacing: 0.5px;  }

/* SECTIONS */
.section { padding: 90px 0; }
.section-label {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.78rem; font-weight: 700; color: var(--blue);
  text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 10px;
}
.section-label::before { content: ""; display: inline-block; width: 20px; height: 2px; background: var(--blue); }
.section-title { font-size: 2.2rem; font-weight: 800; color: var(--text-dark); margin-bottom: 14px; line-height: 1.2; }
.section-desc { font-size: 1rem; color: var(--text-muted); max-width: 600px; margin-bottom: 40px; line-height: 1.7; }
.section-header { margin-bottom: 48px; }
.section-header.centered { text-align: center; }
.section-header.centered .section-desc { margin: 0 auto 40px; }

/* PRODUCT SINGLE */
.product-single { display: flex; justify-content: center; }
.product-highlight-card {
  max-width: 680px; width: 100%;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 40px;
  text-align: center;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition), box-shadow var(--transition);
}
.product-highlight-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.product-highlight-icon {
  width: 72px; height: 72px; margin: 0 auto 20px;
  background: var(--blue-xlight); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.product-highlight-icon svg { width: 36px; height: 36px; stroke: var(--blue); }
.product-highlight-name { font-size: 1.6rem; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; }
.product-highlight-sub { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 24px; }
.product-highlight-specs {
  text-align: left; display: flex; flex-direction: column; gap: 8px;
  margin-bottom: 28px; padding: 20px; background: var(--blue-xlight);
  border-radius: var(--radius-md);
}
.product-highlight-specs li { font-size: 0.9rem; color: var(--text-body); line-height: 1.5; }
.product-highlight-specs li strong { color: var(--blue-dark); }

/* PRODUCT NAV CARDS */
.product-nav-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 24px;
  max-width: 960px; margin: 0 auto;
}
.product-nav-card {
  background: var(--white); border: 2px solid var(--border);
  border-radius: var(--radius-lg); padding: 32px 24px;
  text-align: center;
  transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
  color: var(--text-body); display: block;
}
.product-nav-card:hover {
  border-color: var(--blue); transform: translateY(-4px);
  box-shadow: var(--shadow-lg); color: var(--text-body);
}
.product-nav-icon { font-size: 2.4rem; margin-bottom: 12px; }
.product-nav-card h3 { font-size: 1.1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.product-nav-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; }

/* SKU GRID */
.sku-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  max-width: 1050px; margin: 0 auto;
}
.sku-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 36px 24px 28px;
  text-align: center; position: relative;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  display: flex; flex-direction: column; align-items: center;
}
.sku-card:hover {
  transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--blue-light);
}
.sku-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  padding: 4px 16px; border-radius: 50px;
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px;
  white-space: nowrap;
}
.sku-badge-hot { background: #E63946; color: white; }
.sku-badge-new { background: var(--blue); color: white; }
.sku-badge-entry { background: #457B9D; color: white; }
.sku-badge-commercial { background: #C8963E; color: white; }
.sku-icon {
  width: 56px; height: 56px; margin: 0 auto 16px;
  background: var(--blue-xlight); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
}
.sku-icon svg { width: 28px; height: 28px; stroke: var(--blue); }
.pump-icon { font-size: 1.8rem; }
.sku-name { font-size: 1.15rem; font-weight: 800; color: var(--text-dark); margin-bottom: 4px; }
.sku-sub { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 16px; }
.sku-specs-mini {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
  margin-bottom: 20px;
}
.sku-specs-mini span {
  padding: 3px 10px; background: var(--blue-xlight);
  border-radius: var(--radius-sm); font-size: 0.72rem; font-weight: 600;
  color: var(--blue-dark); white-space: nowrap;
}
.sku-price-range {
  font-size: 0.85rem; font-weight: 600; color: var(--blue);
  margin-bottom: 16px; padding: 4px 12px;
  background: var(--blue-xlight); border-radius: var(--radius-sm);
}
.sku-quote-btn {
  display: inline-block; padding: 10px 24px;
  background: var(--blue); color: var(--white) !important;
  font-size: 0.85rem; font-weight: 600; border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.2s;
  margin-top: auto;
}
.sku-quote-btn:hover { background: var(--blue-dark); transform: translateY(-1px); }

/* SPECS TABLE */
.specs-table-wrap { max-width: 800px; margin: 0 auto; overflow-x: auto; }
.specs-table {
  width: 100%; border-collapse: collapse;
  font-size: 0.9rem; border: 1px solid var(--border);
  border-radius: var(--radius-md); overflow: hidden;
}
.specs-table thead th {
  background: var(--blue-dark); color: var(--white);
  font-size: 0.85rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.8px; text-align: left; padding: 12px 20px;
}
.specs-table tbody td {
  padding: 10px 20px; border-bottom: 1px solid var(--border);
}
.specs-table tbody tr:nth-child(even) { background: var(--blue-xlight); }
.specs-table tbody td:first-child { color: var(--text-muted); width: 45%; }
.specs-table tbody td:last-child { font-weight: 600; color: var(--text-dark); }

/* WHY US */
.why-us { background: var(--blue-xlight); }
.why-us-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: start; }
.why-content h3 { font-size: 1.6rem; font-weight: 700; color: var(--text-dark); margin-bottom: 12px; line-height: 1.3; }
.why-content > p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 24px; line-height: 1.7; }
.why-features { display: flex; flex-direction: column; gap: 10px; }
.why-feature {
  display: flex; align-items: flex-start; gap: 10px;
  font-size: 0.9rem; color: var(--text-body); padding: 8px 0;
}
.why-feature-check { flex-shrink: 0; margin-top: 2px; }

.why-supply-chain {
  background: var(--white); border-radius: var(--radius-lg);
  padding: 28px; box-shadow: var(--shadow-md);
  display: flex; flex-direction: column; gap: 8px;
}
.supply-node {
  padding: 12px 16px; border-radius: var(--radius-sm);
  background: var(--blue-xlight); border: 1px solid var(--blue-light);
  text-align: center;
}
.supply-node strong { display: block; font-size: 0.95rem; color: var(--text-dark); }
.supply-node span { display: block; font-size: 0.78rem; color: var(--text-muted); margin-top: 2px; }
.supply-node.accent { background: var(--blue); border-color: var(--blue); }
.supply-node.accent strong, .supply-node.accent span { color: var(--white); }
.supply-arrow { text-align: center; font-size: 1.4rem; font-weight: 700; color: var(--blue); padding: 2px 0; }

/* APPLICATIONS */
.app-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.app-card {
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-md); padding: 28px 24px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.app-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); border-color: var(--blue-light); }
.app-icon { width: 48px; height: 48px; margin-bottom: 16px; background: var(--blue-xlight); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; }
.app-card h4 { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 8px; }
.app-card p { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* CERTIFICATIONS */
.certs { background: var(--white); }
.certs-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.cert-badge {
  background: var(--blue-xlight); border: 1px solid var(--blue-light);
  border-radius: var(--radius-md); padding: 24px;
  text-align: center; transition: transform var(--transition), box-shadow var(--transition);
}
.cert-badge:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.cert-icon {
  width: 52px; height: 52px; margin: 0 auto 12px;
  background: var(--blue); color: var(--white);
  border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center;
  font-size: 0.85rem; font-weight: 800; letter-spacing: 0.5px;
}
.cert-name { font-size: 1rem; font-weight: 700; color: var(--text-dark); margin-bottom: 6px; }
.cert-desc { font-size: 0.8rem; color: var(--text-muted); line-height: 1.5; }

/* FAQ */
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px 30px; max-width: 900px; margin: 0 auto; }
.faq-col { display: flex; flex-direction: column; gap: 8px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; }
.faq-question {
  width: 100%; display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; font-size: 0.9rem; font-weight: 600; color: var(--text-dark);
  text-align: left; transition: color var(--transition), background var(--transition);
}
.faq-question:hover { color: var(--blue); background: var(--blue-xlight); }
.faq-question[aria-expanded="true"] { color: var(--blue); }
.faq-question[aria-expanded="true"] .faq-icon svg { transform: rotate(45deg); }
.faq-icon svg { transition: transform 0.2s; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-question[aria-expanded="true"] + .faq-answer { max-height: 300px; }
.faq-answer-inner { padding: 0 18px 14px; font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; }

/* CTA BANNER */
.cta-banner {
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: var(--white); padding: 80px 0; text-align: center;
}
.cta-banner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.cta-banner p { font-size: 1rem; color: rgba(255,255,255,0.85); margin-bottom: 28px; max-width: 500px; margin-left: auto; margin-right: auto; }
.cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }
.btn-white {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; background: var(--white); color: var(--blue);
  font-weight: 600; font-size: 0.95rem; border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.2s, box-shadow var(--transition);
}
.btn-white:hover { background: var(--blue-xlight); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
.btn-outline-white {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 28px; background: transparent; color: var(--white);
  font-weight: 600; font-size: 0.95rem;
  border: 2px solid rgba(255,255,255,0.5); border-radius: var(--radius-sm);
  transition: border-color var(--transition), background var(--transition), transform 0.2s;
}
.btn-outline-white:hover { border-color: var(--white); background: rgba(255,255,255,0.1); transform: translateY(-2px); }

.quote-form {
  max-width: 820px; margin: 34px auto 0; padding: 24px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.22);
  border-radius: var(--radius); text-align: left; backdrop-filter: blur(10px);
}
.quote-form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.quote-field { display: flex; flex-direction: column; gap: 6px; }
.quote-field.full { grid-column: 1 / -1; }
.quote-field label { font-size: 0.78rem; font-weight: 700; color: rgba(255,255,255,0.88); }
.quote-field input,
.quote-field select,
.quote-field textarea {
  width: 100%; padding: 12px 13px; color: var(--text-dark);
  background: var(--white); border: 1px solid rgba(255,255,255,0.4);
  border-radius: var(--radius-sm); font: inherit; font-size: 0.9rem;
}
.quote-field textarea { min-height: 110px; resize: vertical; }
.quote-form-actions { display: flex; align-items: center; gap: 14px; margin-top: 18px; flex-wrap: wrap; }
.quote-note { margin: 0; font-size: 0.8rem; color: rgba(255,255,255,0.78); }
.quote-submit {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 28px; background: var(--white); color: var(--blue);
  font-weight: 700; font-size: 0.95rem; border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.2s, box-shadow var(--transition);
}
.quote-submit:hover { background: var(--blue-xlight); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(0,0,0,0.15); }
.quote-status { margin: 0; font-size: 0.82rem; font-weight: 600; color: rgba(255,255,255,0.86); }
.quote-status-success { color: #d1fae5; }
.quote-status-error { color: #fee2e2; }
.quote-status-pending { color: rgba(255,255,255,0.86); }
.quote-submit:disabled { opacity: 0.7; cursor: not-allowed; transform: none; box-shadow: none; }

/* FOOTER */
.footer { background: var(--text-dark); color: rgba(255,255,255,0.75); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.1); }
.footer-brand-logo { display: flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 700; color: var(--white); margin-bottom: 14px; }
.footer-brand-desc { font-size: 0.85rem; line-height: 1.6; margin-bottom: 16px; }
.footer-social { display: flex; gap: 12px; }
.social-link { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius-sm); color: rgba(255,255,255,0.6); transition: border-color var(--transition), color var(--transition); }
.social-link:hover { border-color: var(--blue); color: var(--blue); }
.footer-col h4 { font-size: 0.85rem; font-weight: 700; color: var(--white); margin-bottom: 14px; text-transform: uppercase; letter-spacing: 0.5px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.85rem; color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-links a:hover { color: var(--white); }
.footer-contact-item { display: flex; align-items: flex-start; gap: 8px; font-size: 0.85rem; margin-bottom: 10px; }
.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; flex-wrap: wrap; gap: 10px; }
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.5); }
.footer-legal { display: flex; gap: 20px; }
.footer-legal a { font-size: 0.8rem; color: rgba(255,255,255,0.5); transition: color var(--transition); }
.footer-legal a:hover { color: var(--white); }

/* ANIMATIONS */
.anim-ready { opacity: 0; transform: translateY(20px); transition: opacity 0.5s ease, transform 0.5s ease; }
.anim-ready.visible { opacity: 1; transform: translateY(0); }

/* RESPONSIVE */
@media (max-width: 1024px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-visual { height: 240px; }
  .why-us-grid { grid-template-columns: 1fr; }
  .app-grid { grid-template-columns: repeat(2, 1fr); }
  .certs-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* Language Switcher */
.nav-lang { position: relative; margin-left: 4px; flex-shrink: 0; }
.nav-lang::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 6px; }
.nav-lang-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 5px 10px; font-size: 0.8rem; font-weight: 600;
  color: var(--text-body); background: var(--white);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  cursor: default; white-space: nowrap;
  transition: border-color var(--transition);
}
.nav-lang:hover .nav-lang-btn { border-color: var(--blue); }
.nav-lang-drop {
  display: none; position: absolute; top: 100%; right: 0; min-width: 170px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  z-index: 1100; padding: 4px 0; 
}
.nav-lang:hover .nav-lang-drop { display: block; }
.nav-lang-drop a {
  display: block; padding: 7px 14px; font-size: 0.82rem; color: var(--text-body);
  text-decoration: none; white-space: nowrap;
  transition: background 0.15s;
}
.nav-lang-drop a:hover { background: var(--blue-xlight); color: var(--blue); }
.nav-lang-drop a.active { background: var(--blue-xlight); color: var(--blue); font-weight: 600; }
@media (max-width: 768px) {
  .quote-form { padding: 18px; }
  .quote-form-grid { grid-template-columns: 1fr; }
  .nav-lang { margin-left: auto; }
  .nav-lang-drop { right: auto; left: 0; }
}

/* Products Dropdown Menu */
.nav-products { position: relative; margin-right: 2px; flex-shrink: 0; }
.nav-products::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 6px; }
.nav-products-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 14px; font-size: 0.88rem; font-weight: 500;
  color: var(--text-body); background: transparent;
  border: none; border-radius: var(--radius-sm);
  cursor: default; white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.nav-products:hover .nav-products-btn { color: var(--blue); background: var(--blue-xlight); }
.nav-products-drop {
  display: none; position: absolute; top: 100%; left: 0; min-width: 210px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  z-index: 1100; padding: 4px 0;
}
.nav-products:hover .nav-products-drop { display: block; }
.nav-products-drop a {
  display: block; padding: 9px 16px; font-size: 0.85rem; color: var(--text-body);
  text-decoration: none; white-space: nowrap;
  transition: background 0.15s;
  border-left: 3px solid transparent;
}
.nav-products-drop a:hover { background: var(--blue-xlight); color: var(--blue); border-left-color: var(--blue); }
.nav-products-drop a.active { background: var(--blue-xlight); color: var(--blue); font-weight: 600; border-left-color: var(--blue); }
@media (max-width: 768px) {
  .nav-products { width: 100%; }
  .nav-products-btn { width: 100%; justify-content: flex-start; padding: 12px 16px; font-size: 1rem; }
  .nav-products-drop { position: static; box-shadow: none; border: none; border-left: 2px solid var(--blue-light); margin-left: 16px; padding: 0; }
  .nav-products:hover .nav-products-drop { display: block; }
}


/* Solutions Dropdown Menu */
.nav-solutions { position: relative; margin-right: 2px; flex-shrink: 0; }
.nav-solutions::after { content: ""; position: absolute; top: 100%; left: 0; right: 0; height: 6px; }
.nav-solutions-btn {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 6px 14px; font-size: 0.88rem; font-weight: 500;
  color: var(--text-body); background: transparent;
  border: none; border-radius: var(--radius-sm);
  cursor: default; white-space: nowrap;
  transition: color var(--transition), background var(--transition);
}
.nav-solutions:hover .nav-solutions-btn { color: var(--blue); background: var(--blue-xlight); }
.nav-solutions-drop {
  display: none; position: absolute; top: 100%; left: 0; min-width: 210px;
  background: var(--white); border: 1px solid var(--border);
  border-radius: var(--radius-sm); box-shadow: var(--shadow-lg);
  z-index: 1100; padding: 4px 0;
}
.nav-solutions:hover .nav-solutions-drop { display: block; }
.nav-solutions-drop a {
  display: block; padding: 9px 16px; font-size: 0.85rem; color: var(--text-body);
  text-decoration: none; white-space: nowrap;
  transition: background 0.15s;
  border-left: 3px solid transparent;
}
.nav-solutions-drop a:hover { background: var(--blue-xlight); color: var(--blue); border-left-color: var(--blue); }
.nav-solutions-drop a.active { background: var(--blue-xlight); color: var(--blue); font-weight: 600; border-left-color: var(--blue); }
@media (max-width: 768px) {
  .nav-solutions { width: 100%; }
  .nav-solutions-drop { position: static; box-shadow: none; border: none; border-left: 2px solid var(--blue-light); margin-left: 16px; padding: 0; }
  .nav-solutions:hover .nav-solutions-drop { display: block; }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: flex; }
  .nav-mobile.open { display: flex; }
  .product-nav-grid,
  .sku-grid,
  .app-grid,
  .certs-grid,
  .footer-grid { grid-template-columns: 1fr; }
  .sku-card,
  .product-nav-card { min-width: 0; }
  .specs-table-wrap { max-width: 100%; overflow-x: auto; }
  .specs-table { table-layout: fixed; }
  .specs-table td,
  .specs-table th { overflow-wrap: anywhere; }
}