:root {
  --ink: #101820;
  --muted: #5c6875;
  --line: #e4e8ed;
  --panel: #f6f8fb;
  --paper: #ffffff;
  --brand: #0078b7;
  --brand-dark: #064a73;
  --accent: #e4342a;
  --shadow: 0 18px 50px rgba(10, 34, 54, 0.12);
  --radius: 22px;
  --max: 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", Arial, "Noto Sans", sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
.skip-link {
  position: absolute; left: -999px; top: 12px; z-index: 100;
  background: var(--ink); color: white; padding: 10px 14px; border-radius: 10px;
}
.skip-link:focus { left: 12px; }
.container { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }
.section { padding: 88px 0; }
.section.tight { padding: 56px 0; }
.section.alt { background: var(--panel); }
.eyebrow {
  display: inline-flex; gap: 8px; align-items: center;
  color: var(--brand); font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; font-size: 12px;
}
.eyebrow::before { content: ""; width: 28px; height: 2px; background: var(--accent); border-radius: 999px; }
h1, h2, h3, h4 { line-height: 1.12; margin: 0 0 16px; }
h1 { font-size: clamp(42px, 7vw, 78px); letter-spacing: -0.055em; }
h2 { font-size: clamp(32px, 4vw, 52px); letter-spacing: -0.04em; }
h3 { font-size: clamp(22px, 2.2vw, 30px); letter-spacing: -0.025em; }
h4 { font-size: 18px; }
p { margin: 0 0 18px; color: var(--muted); }
.lead { font-size: clamp(18px, 2vw, 22px); color: #3d4a56; }
.small { font-size: 14px; color: var(--muted); }

.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.88); backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(228,232,237,.86);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; min-height: 76px; gap: 20px; }
.logo { display: flex; align-items: center; gap: 12px; font-weight: 900; letter-spacing: -0.04em; }
.logo img { width: 54px; height: 44px; object-fit: contain; }
.logo span { display: block; }
.logo small { display: block; color: var(--muted); font-size: 11px; letter-spacing: .08em; text-transform: uppercase; margin-top: -2px; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a, .lang-toggle {
  border: 0; background: transparent; font: inherit;
  padding: 10px 12px; border-radius: 999px;
  color: #33404b; cursor: pointer;
}
.nav a:hover, .nav a.active, .lang-toggle:hover { background: var(--panel); color: var(--ink); }
.lang-toggle { border: 1px solid var(--line); font-weight: 800; }
.menu-toggle { display: none; border: 0; background: var(--ink); color: #fff; border-radius: 12px; padding: 10px 12px; font-size: 20px; }

.hero { padding: 72px 0 38px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: 1.08fr .92fr; gap: 42px; align-items: center; }
.hero-copy { padding-top: 22px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 30px 0; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 9px;
  padding: 14px 20px; border-radius: 999px; font-weight: 850;
  border: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(16,24,32,.12); }
.btn.primary { background: var(--ink); color: white; border-color: var(--ink); }
.btn.secondary { background: white; color: var(--ink); }
.btn.brand { background: var(--brand); color: white; border-color: var(--brand); }
.hero-card { position: relative; border-radius: 34px; overflow: hidden; min-height: 540px; box-shadow: var(--shadow); background: var(--panel); }
.hero-card img { width: 100%; height: 540px; object-fit: cover; }
.hero-badge {
  position: absolute; left: 22px; right: 22px; bottom: 22px;
  background: rgba(255,255,255,.92); border: 1px solid rgba(255,255,255,.7);
  border-radius: 24px; padding: 18px; display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center;
}
.hero-badge .mark { width: 48px; height: 48px; border-radius: 16px; background: var(--brand); color: #fff; display: grid; place-items: center; font-weight: 900; }
.trust-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 26px; }
.trust-item { padding: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 18px; font-weight: 800; font-size: 14px; color: #293642; }

.page-hero { padding: 70px 0 44px; background: linear-gradient(135deg, #f6f8fb 0%, #fff 62%); border-bottom: 1px solid var(--line); }
.page-hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 38px; align-items: end; }
.page-hero img { border-radius: 28px; height: 380px; width: 100%; object-fit: cover; box-shadow: var(--shadow); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 42px; align-items: center; }
.split.reverse { grid-template-columns: .95fr 1.05fr; }
.image-stack { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.image-stack img, .single-image img { border-radius: 24px; width: 100%; object-fit: cover; box-shadow: var(--shadow); }
.image-stack img { height: 280px; }
.single-image img { height: 460px; }
.image-stack img:first-child { grid-row: span 2; height: 574px; }

.grid { display: grid; gap: 22px; }
.grid.three { grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.grid.four { grid-template-columns: repeat(4, 1fr); }
.card {
  background: white; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 10px 28px rgba(10,34,54,.05);
}
.card.padded { padding: 26px; }
.card img { width: 100%; height: 260px; object-fit: cover; background: var(--panel); }
.card-body { padding: 24px; }
.card .meta { color: var(--brand); font-weight: 850; font-size: 13px; text-transform: uppercase; letter-spacing: .08em; margin-bottom: 10px; }
.card:hover { transform: translateY(-3px); transition: transform .18s ease; }
.product-card img { height: 310px; }
.feature-list, .check-list { list-style: none; padding: 0; margin: 22px 0 0; display: grid; gap: 11px; }
.feature-list li, .check-list li { position: relative; padding-left: 28px; color: #465360; }
.feature-list li::before, .check-list li::before {
  content: ""; position: absolute; left: 0; top: .42em; width: 14px; height: 14px; border-radius: 50%;
  background: radial-gradient(circle at center, white 0 29%, var(--brand) 31% 100%);
}

.kpi-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 26px; }
.kpi { padding: 22px; border: 1px solid var(--line); border-radius: 20px; background: white; }
.kpi strong { display: block; font-size: 30px; letter-spacing: -0.04em; color: var(--brand-dark); }
.kpi span { color: var(--muted); }

.steps { counter-reset: step; }
.step { position: relative; padding-left: 76px; }
.step::before {
  counter-increment: step; content: "0" counter(step);
  position: absolute; left: 0; top: 0; width: 52px; height: 52px; border-radius: 17px;
  background: var(--ink); color: white; display: grid; place-items: center; font-weight: 900;
}

.banner {
  background: linear-gradient(135deg, var(--ink), #0b4366 58%, var(--brand));
  color: white; border-radius: 34px; padding: 42px; display: grid; grid-template-columns: 1.15fr .85fr; gap: 30px; align-items: center; overflow: hidden;
}
.banner p { color: rgba(255,255,255,.78); }
.banner .btn { background: white; color: var(--ink); border-color: white; }
.banner img { border-radius: 26px; height: 320px; width: 100%; object-fit: cover; }

.product-detail { display: grid; grid-template-columns: .9fr 1.1fr; gap: 34px; align-items: center; padding: 34px; border: 1px solid var(--line); border-radius: 30px; background: white; margin-bottom: 24px; }
.product-detail img { height: 380px; width: 100%; object-fit: cover; border-radius: 24px; background: var(--panel); }
.tags { display: flex; gap: 8px; flex-wrap: wrap; margin: 16px 0 0; }
.tag { display: inline-flex; padding: 7px 11px; border-radius: 999px; background: var(--panel); color: #34424e; font-weight: 750; font-size: 13px; border: 1px solid var(--line); }

.table-wrap { overflow: auto; border: 1px solid var(--line); border-radius: 22px; background: white; }
table { width: 100%; border-collapse: collapse; min-width: 680px; }
th, td { text-align: left; padding: 17px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--panel); font-weight: 900; }
tr:last-child td { border-bottom: 0; }

.contact-cards { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; }
.contact-card { background: white; border: 1px solid var(--line); border-radius: 24px; padding: 24px; }
.contact-card strong { display: block; margin-bottom: 8px; }
.map-box { min-height: 360px; border-radius: 30px; border: 1px dashed #b9c6d3; background: var(--panel); display: grid; place-items: center; text-align: center; padding: 24px; }

.site-footer { background: #08131d; color: white; padding: 54px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.1fr .7fr .7fr .9fr; gap: 34px; }
.site-footer p, .site-footer a { color: rgba(255,255,255,.72); }
.site-footer h4 { color: white; }
.footer-logo { display: flex; align-items: center; gap: 12px; font-weight: 900; font-size: 22px; margin-bottom: 14px; }
.footer-logo img { width: 60px; height: 48px; object-fit: contain; background: white; border-radius: 12px; padding: 4px; }
.footer-links { display: grid; gap: 10px; }
.footer-bottom { margin-top: 38px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.12); display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }

@media (max-width: 980px) {
  .menu-toggle { display: inline-flex; }
  .nav {
    position: absolute; left: 20px; right: 20px; top: 78px; display: none; flex-direction: column; align-items: stretch;
    background: white; border: 1px solid var(--line); border-radius: 24px; padding: 10px; box-shadow: var(--shadow);
  }
  .nav.is-open { display: flex; }
  .nav a, .lang-toggle { text-align: left; }
  .hero-grid, .page-hero-grid, .split, .split.reverse, .banner, .product-detail { grid-template-columns: 1fr; }
  .hero-card, .hero-card img { min-height: 420px; height: 420px; }
  .grid.three, .grid.four, .contact-cards, .footer-grid { grid-template-columns: 1fr 1fr; }
  .trust-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .container { width: min(100% - 28px, var(--max)); }
  .section { padding: 64px 0; }
  .header-inner { min-height: 68px; }
  .logo img { width: 48px; height: 38px; }
  .hero { padding-top: 48px; }
  .hero-actions { flex-direction: column; }
  .btn { width: 100%; }
  .grid.three, .grid.two, .grid.four, .contact-cards, .footer-grid, .kpi-row, .trust-row, .image-stack { grid-template-columns: 1fr; }
  .image-stack img, .image-stack img:first-child, .single-image img, .page-hero img, .banner img, .product-detail img { height: 300px; }
  .hero-card, .hero-card img { min-height: 360px; height: 360px; }
  .banner, .product-detail { padding: 24px; border-radius: 24px; }
  .footer-bottom { display: block; }
}