:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef3f9;
  --text: #17212b;
  --muted: #5f7185;
  --line: #d9e2ec;
  --primary: #123c6b;
  --primary-dark: #0e2e52;
  --accent: #1f6db3;
  --shadow: 0 18px 40px rgba(18, 60, 107, 0.10);
  --radius: 18px;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.container { width: min(var(--container), calc(100% - 2rem)); margin: 0 auto; }
.hidden { display: none !important; }
.section { padding: 4.5rem 0; }
.section-alt { background: var(--surface-alt); }
.page-hero {
  padding: 4rem 0 2.25rem;
  background: linear-gradient(180deg, #f7faff 0%, #eef4fb 100%);
  border-bottom: 1px solid var(--line);
}
.page-hero.small { padding: 1rem 0 0.25rem; background: transparent; border: 0; }
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(217, 226, 236, 0.9);
}
.nav-wrap {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 104px; gap: 1.5rem;
}
.logo {
  display: inline-flex;
  align-items: center;
  flex: 0 0 auto;
}
.logo img {
  display: block;
  height: 72px;
  width: auto;
  max-width: min(320px, 34vw);
  object-fit: contain;
}

.site-nav {
  display: flex; align-items: center; gap: 1rem;
}
.site-nav a { color: var(--muted); font-weight: 600; }
.site-nav a.active, .site-nav a:hover { color: var(--primary); }
.menu-toggle {
  display: none; border: 1px solid var(--line); background: #fff; padding: 0.7rem 0.9rem;
  border-radius: 12px; font-weight: 700;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  background: var(--primary); color: #fff; border: 0; border-radius: 14px;
  padding: 0.95rem 1.25rem; font-weight: 700; cursor: pointer;
  box-shadow: var(--shadow);
}
.btn:hover { background: var(--primary-dark); }
.btn-secondary {
  background: transparent; color: var(--primary); border: 1px solid var(--line); box-shadow: none;
}
.btn-secondary:hover { background: #fff; }
.btn-sm { padding: 0.7rem 0.9rem; border-radius: 12px; }
.btn-block { width: 100%; }
.eyebrow {
  display: inline-flex; padding: 0.3rem 0.7rem; border-radius: 999px;
  background: rgba(31, 109, 179, 0.09); color: var(--accent); font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.04em; font-size: 0.78rem;
}
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 0.75rem; }
h1 { font-size: clamp(2rem, 4vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.3rem); }
h3 { font-size: 1.15rem; }
p { margin: 0 0 1rem; color: var(--muted); }
.lead { font-size: 1.1rem; max-width: 60ch; }
.narrow { max-width: 48rem; }
.hero {
  padding: 4.5rem 0; background:
  radial-gradient(circle at top left, rgba(31, 109, 179, 0.08), transparent 38%),
  linear-gradient(180deg, #fbfdff 0%, #eef4fb 100%);
}
.hero-grid {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2rem; align-items: center;
}
.cta-row { display: flex; gap: 0.85rem; flex-wrap: wrap; margin: 1.35rem 0 0; }
.hero-highlights { padding-left: 1.2rem; color: var(--muted); }
.hero-card { padding: 1.5rem; }
.card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-grid { display: grid; gap: 1.25rem; }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.category-card, .info-card, .brand-card, .news-card, .sector-card { padding: 1.4rem; }
.category-card a, .brand-card a, .sector-card a, .text-link, .breadcrumb-row a { color: var(--accent); font-weight: 700; }
.section-head {
  display: flex; align-items: end; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem;
}
.tag-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.7rem;
}
.tag-grid span, .brand-pill {
  display: inline-flex; align-items: center; justify-content: center;
  background: #f3f7fc; border: 1px solid var(--line); border-radius: 999px; padding: 0.8rem 1rem;
  color: var(--primary); font-weight: 700;
}
.list-clean { padding: 0; margin: 0; list-style: none; }
.split-callout {
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 2rem; padding: 1.75rem;
}
.checklist { display: grid; gap: 0.8rem; color: var(--primary); font-weight: 700; }
.brand-row { display: flex; flex-wrap: wrap; gap: 0.9rem; }
.cta-banner { background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%); color: #fff; }
.cta-banner p, .cta-banner .eyebrow { color: rgba(255,255,255,0.9); }
.cta-banner .eyebrow { background: rgba(255,255,255,0.14); }
.cta-banner-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 2rem;
}
.site-footer {
  background: #0d1a27; color: rgba(255,255,255,0.9); padding-top: 2.5rem; margin-top: 2rem;
}
.site-footer p, .site-footer a, .site-footer small { color: rgba(255,255,255,0.7); }
.footer-grid { display: grid; grid-template-columns: 1.3fr 0.8fr 0.9fr; gap: 1.5rem; }
.footer-bottom { padding: 1rem 0 1.6rem; border-top: 1px solid rgba(255,255,255,0.1); margin-top: 1.2rem; }
.catalog-layout { display: grid; grid-template-columns: 300px 1fr; gap: 1.4rem; align-items: start; }
.catalog-sidebar { padding: 1.25rem; position: sticky; top: 96px; }
.filter-group { margin-bottom: 1rem; }
.filter-group label { display: block; font-weight: 700; margin-bottom: 0.4rem; }
input, select, textarea {
  width: 100%; padding: 0.9rem 1rem; border: 1px solid var(--line); border-radius: 12px;
  font: inherit; background: #fff; color: var(--text);
}
.catalog-toolbar { margin-bottom: 1rem; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.product-card { display: flex; flex-direction: column; overflow: hidden; }
.product-card .product-media {
  background: linear-gradient(135deg, #dce8f8 0%, #f8fbff 100%);
  aspect-ratio: 16 / 10; display: grid; place-items: center; color: var(--primary); font-weight: 800;
}
.product-body { padding: 1.15rem; display: flex; flex-direction: column; flex: 1; }
.product-meta { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-bottom: 0.8rem; }
.badge {
  display: inline-flex; padding: 0.35rem 0.65rem; border-radius: 999px;
  background: #eef4fb; color: var(--accent); font-size: 0.8rem; font-weight: 700;
}
.product-actions { display: flex; gap: 0.7rem; margin-top: auto; flex-wrap: wrap; }
.empty-state { padding: 1.5rem; text-align: center; }
.product-detail {
  display: grid; grid-template-columns: 1fr 0.9fr; gap: 1.4rem;
}
.product-gallery { padding: 1.5rem; min-height: 340px; display: grid; place-items: center; }
.product-gallery-box {
  width: 100%; height: 100%; min-height: 320px; border-radius: var(--radius);
  background: linear-gradient(135deg, #dce8f8 0%, #f8fbff 100%); display: grid; place-items: center;
  color: var(--primary); font-size: 2rem; font-weight: 900;
}
.product-panel { padding: 1.5rem; }
.info-list { padding-left: 1rem; color: var(--muted); }
.contact-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 1.4rem; }
.contact-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 1rem; }
.contact-list li { display: flex; flex-direction: column; }
.quote-form .form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.news-date { color: var(--accent); font-weight: 700; }

@media (max-width: 1080px) {
  .card-grid.four { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .split-callout, .catalog-layout, .product-detail, .contact-grid, .footer-grid, .cta-banner-inner {
    grid-template-columns: 1fr; flex-direction: column;
  }
  .catalog-sidebar { position: static; }
}

@media (max-width: 760px) {
  .nav-wrap { min-height: 88px; gap: 0.75rem; }
  .logo img { height: 58px; max-width: 220px; }
  .menu-toggle { display: inline-flex; }
  .site-nav {
    position: absolute; right: 1rem; top: 84px; left: 1rem; background: #fff; border: 1px solid var(--line);
    border-radius: 18px; box-shadow: var(--shadow); padding: 1rem; flex-direction: column; align-items: stretch;
    display: none;
  }
  .site-nav.open { display: flex; }
  .card-grid.four, .card-grid.three, .product-grid, .quote-form .form-grid, .tag-grid { grid-template-columns: 1fr; }
  .section { padding: 3rem 0; }
}