:root {
  --bg: #020817;
  --panel: rgba(15, 23, 42, 0.72);
  --panel-soft: rgba(255, 255, 255, 0.05);
  --border: rgba(255, 255, 255, 0.1);
  --text: #ffffff;
  --muted: #cbd5e1;
  --muted-2: #94a3b8;
  --primary: #0ea5e9;
  --primary-2: #38bdf8;
  --radius: 28px;
  --shadow: 0 20px 60px rgba(0,0,0,0.28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, sans-serif;
  background: radial-gradient(circle at top right, rgba(34,211,238,0.12), transparent 26%), radial-gradient(circle at top left, rgba(59,130,246,0.12), transparent 30%), var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
img { display: block; width: 100%; }
.container { width: min(1180px, calc(100% - 32px)); margin: 0 auto; }
.section { padding: 72px 0; position: relative; }
.bg-orb { position: fixed; width: 420px; height: 420px; filter: blur(80px); z-index: -1; opacity: 0.25; }
.orb-1 { right: -120px; top: -80px; background: #0ea5e9; }
.orb-2 { left: -120px; top: 140px; background: #2563eb; }
.site-header {
  position: sticky; top: 0; z-index: 20;
  background: rgba(2,8,23,0.86); backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; padding: 16px 0; gap: 20px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  width: 42px; height: 42px; border-radius: 16px; display: grid; place-items: center;
  background: rgba(255,255,255,0.08); color: var(--primary-2); font-weight: 800;
}
.brand-title { font-size: 14px; font-weight: 800; letter-spacing: 0.24em; color: #7dd3fc; }
.brand-subtitle { font-size: 12px; color: var(--muted); }
.nav { display: flex; gap: 22px; }
.nav a, .mobile-menu a { color: #e2e8f0; font-size: 14px; }
.nav a:hover, .mobile-menu a:hover { color: white; }
.nav-actions { display: flex; gap: 10px; align-items: center; }
.btn {
  border: 1px solid transparent; border-radius: 18px; padding: 14px 22px;
  background: transparent; color: white; cursor: pointer; font: inherit;
  transition: 0.2s ease;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); }
.btn-outline { border-color: var(--border); background: rgba(255,255,255,0.05); }
.btn-icon { display: none; width: 46px; height: 46px; padding: 0; font-size: 20px; }
.mobile-menu { display: none; border-top: 1px solid var(--border); }
.mobile-menu.open { display: block; }
.mobile-menu-inner { display: grid; gap: 14px; padding: 16px 0; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 36px; align-items: center; }
.eyebrow {
  display: inline-flex; padding: 10px 16px; border-radius: 999px;
  border: 1px solid rgba(56,189,248,0.28); background: rgba(14,165,233,0.1); color: #bae6fd; font-size: 14px;
}
.hero-title { font-size: clamp(40px, 7vw, 68px); line-height: 1.05; margin: 22px 0 0; }
.hero-text { color: var(--muted); font-size: 18px; line-height: 1.8; max-width: 760px; margin-top: 22px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }
.stats-grid { display: grid; gap: 16px; }
.stat-card, .product-card, .feature-card, .adv-card, .contact-card, .box-panel {
  background: var(--panel-soft); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow);
}
.stat-card { padding: 24px; }
.stat-label { color: var(--muted-2); font-size: 14px; }
.stat-value { margin-top: 10px; font-size: 28px; font-weight: 700; }
.section-head h2 { font-size: clamp(30px, 4vw, 44px); margin: 12px 0 0; }
.section-head p { color: var(--muted); max-width: 720px; line-height: 1.8; margin-top: 14px; }
.section-kicker { text-transform: uppercase; letter-spacing: 0.25em; color: #7dd3fc; font-size: 12px; }
.card-grid { display: grid; gap: 24px; }
.products-grid, .featured-grid { grid-template-columns: repeat(4, 1fr); }
.advantages-grid { grid-template-columns: repeat(3, 1fr); }
.product-card, .feature-card { overflow: hidden; }
.product-card img, .feature-card img { height: 220px; object-fit: cover; }
.product-body, .feature-body, .adv-body { padding: 22px; }
.icon-chip {
  width: 44px; height: 44px; border-radius: 16px; display: grid; place-items: center;
  background: rgba(14,165,233,0.12); color: #7dd3fc; font-weight: 700; margin-bottom: 16px;
}
.product-title, .feature-title, .adv-title { font-size: 20px; font-weight: 700; }
.product-desc, .feature-desc, .adv-desc { color: var(--muted); line-height: 1.8; margin-top: 12px; }
.section-featured { padding-top: 10px; }
.featured-box, .inquiry-box, .gradient-panel {
  background: linear-gradient(135deg, rgba(14,165,233,0.12), rgba(34,211,238,0.08));
  border: 1px solid rgba(56,189,248,0.18); border-radius: 36px;
}
.featured-box { padding: 34px; }
.box-panel { padding: 34px; }
.about-grid { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 24px; }
.about-text { margin-top: 20px; color: var(--muted); line-height: 1.9; font-size: 18px; }
.gradient-panel h3 { font-size: 28px; margin: 12px 0 0; }
.gradient-panel p { color: var(--muted); line-height: 1.8; margin-top: 16px; }
.inline-note { margin-top: 28px; color: #7dd3fc; font-weight: 600; }
.inquiry-box {
  display: grid; grid-template-columns: 1fr 1fr; gap: 26px; padding: 34px;
}
.inquiry-box p { color: var(--muted); line-height: 1.8; }
.inquiry-form { display: grid; gap: 14px; }
.inquiry-form input, .inquiry-form textarea {
  width: 100%; border-radius: 18px; border: 1px solid var(--border);
  background: rgba(2,8,23,0.62); color: white; padding: 14px 16px; font: inherit;
}
.inquiry-form textarea { min-height: 132px; resize: vertical; }
.contact-grid { grid-template-columns: repeat(4, 1fr); }
.contact-card { padding: 24px; }
.contact-label { color: #7dd3fc; font-size: 14px; margin-bottom: 12px; }
.contact-value { color: #e2e8f0; line-height: 1.8; }
.contact-value a:hover { color: white; }
.site-footer { border-top: 1px solid var(--border); padding: 28px 0 40px; }
.footer-wrap { display: flex; justify-content: space-between; align-items: center; gap: 16px; }
.footer-brand { font-weight: 700; color: white; margin-bottom: 8px; }
.footer-meta { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); }
@media (max-width: 1100px) {
  .products-grid, .featured-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-grid, .about-grid, .inquiry-box { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .desktop-nav { display: none; }
  .btn-icon { display: inline-grid; place-items: center; }
}
@media (max-width: 700px) {
  .section { padding: 52px 0; }
  .products-grid, .featured-grid, .advantages-grid, .contact-grid { grid-template-columns: 1fr; }
  .container { width: min(100% - 24px, 1180px); }
  .featured-box, .box-panel, .inquiry-box { padding: 22px; border-radius: 28px; }
  .hero-title { font-size: 38px; }
  .hero-text { font-size: 16px; }
  .footer-wrap { flex-direction: column; align-items: flex-start; }
}