:root {
  --bg: #07111f;
  --bg-soft: #0d1c2d;
  --panel: rgba(10, 24, 40, 0.76);
  --line: rgba(255, 255, 255, 0.08);
  --text: #ecf3ff;
  --muted: #98a9bf;
  --accent: #d8b36b;
  --accent-soft: rgba(216, 179, 107, 0.16);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  font-family: "Barlow", "Noto Sans SC", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(216, 179, 107, 0.2), transparent 28%),
    radial-gradient(circle at 80% 20%, rgba(58, 109, 156, 0.22), transparent 24%),
    linear-gradient(135deg, #050b15 0%, #091525 45%, #07111f 100%);
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.85), transparent);
  pointer-events: none;
}
a { color: inherit; text-decoration: none; }
.site-shell { width: min(1200px, calc(100% - 40px)); margin: 0 auto; padding-bottom: 56px; }
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 18px 0;
  backdrop-filter: blur(18px);
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: 0.06em; }
.brand-mark {
  width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px;
  color: #08111d; background: linear-gradient(145deg, #f1d9a1, #b98a3a);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.nav { display: flex; gap: 24px; color: var(--muted); }
.nav a.active, .nav a:hover, .lang-toggle:hover { color: var(--text); }
.lang-toggle {
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.03); color: var(--muted);
  padding: 10px 16px; border-radius: 999px; cursor: pointer;
}
.hero, .split-section, .contact-layout, .two-col { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.hero { min-height: calc(100vh - 88px); align-items: center; }
.hero-copy h1, .page-hero h1, .cta h2, .section-head h2, .split-copy h2 {
  margin: 0; font-size: clamp(2.5rem, 6vw, 5.6rem); line-height: 0.98; letter-spacing: -0.03em;
}
.page-hero h1, .cta h2, .section-head h2, .split-copy h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
.eyebrow {
  margin: 0 0 14px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.18em; font-size: 0.82rem;
}
.lead, .hero-copy p, .split-copy p, .page-hero p, .feature-card p, .timeline-item p, .contact-panel p {
  color: var(--muted); line-height: 1.8; font-size: 1.02rem;
}
.hero-actions, .section, .page-hero, .inner-page { position: relative; }
.hero-actions { display: flex; gap: 14px; margin-top: 30px; }
.button {
  display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 999px; font-weight: 700;
}
.button.primary { color: #0a1524; background: linear-gradient(135deg, #f2dba9, #c6923e); box-shadow: 0 12px 28px rgba(216, 179, 107, 0.22); }
.button.secondary { border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04); }
.hero-panel, .panel-card, .feature-card, .timeline-item, .stat-card, .product-card, .gallery-card, .contact-panel, .spec-list div {
  border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow);
}
.panel-card { padding: 28px; border-radius: 28px; position: relative; overflow: hidden; }
.panel-card::before, .gallery-card::before {
  content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, transparent, rgba(216, 179, 107, 0.12));
}
.panel-label, .product-tag {
  display: inline-flex; padding: 8px 12px; border-radius: 999px; background: var(--accent-soft);
  color: var(--accent); font-size: 0.84rem; letter-spacing: 0.1em; text-transform: uppercase;
}
.metric-grid, .feature-grid, .product-grid, .spec-list { display: grid; gap: 18px; }
.metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); margin-top: 22px; }
.metric-grid strong, .stat-card strong { display: block; font-size: 1.7rem; margin-bottom: 8px; }
.metric-grid span, .stat-card span, .spec-list span { color: var(--muted); }
.section, .page-hero { padding: 80px 0 0; }
.feature-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 30px; }
.feature-card, .timeline-item, .stat-card, .product-card, .contact-panel, .spec-list div { padding: 24px; border-radius: 24px; }
.feature-card span:first-child { color: var(--accent); font-weight: 700; }
.timeline { display: grid; gap: 16px; align-self: end; }
.timeline-item strong, .feature-card h3, .product-card h3, .contact-panel h2 {
  display: block; margin: 14px 0 12px; font-size: 1.25rem;
}
.cta { text-align: center; padding-bottom: 20px; }
.inner-page { padding-top: 16px; }
.page-hero { max-width: 900px; }
.stat-stack, .spec-list { display: grid; gap: 16px; }
.product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gallery-grid {
  display: grid; gap: 18px; grid-template-columns: 1.2fr 1fr 1fr; grid-template-rows: 280px 220px; padding-top: 24px;
}
.gallery-card {
  position: relative; padding: 22px; border-radius: 24px; overflow: hidden; display: flex; align-items: end;
  background: linear-gradient(145deg, rgba(12, 29, 46, 0.9), rgba(8, 16, 28, 0.85)), radial-gradient(circle at top left, rgba(216, 179, 107, 0.18), transparent 38%);
}
.gallery-card span { position: relative; z-index: 1; font-weight: 700; }
.gallery-card.tall { grid-row: span 2; }
.gallery-card.wide { grid-column: span 2; }
.contact-item + .contact-item { margin-top: 20px; }
.contact-item span { display: block; color: var(--muted); margin-bottom: 8px; }
.contact-item strong { font-size: 1.15rem; }
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
@media (max-width: 980px) {
  .nav { display: none; }
  .hero, .split-section, .contact-layout, .two-col, .feature-grid, .product-grid { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; grid-template-rows: repeat(4, 220px); }
  .gallery-card.tall, .gallery-card.wide { grid-column: auto; grid-row: auto; }
  .hero { min-height: auto; padding-top: 48px; }
}
@media (max-width: 640px) {
  .site-shell { width: min(100% - 24px, 1200px); }
  .topbar { gap: 12px; }
  .brand-text { display: none; }
  .hero-actions { flex-direction: column; }
  .metric-grid { grid-template-columns: 1fr; }
}