:root {
  --bg: #0e1a1d;
  --bg-soft: #142428;
  --panel: rgba(255, 255, 255, 0.08);
  --line: rgba(255, 255, 255, 0.12);
  --text: #edf3ef;
  --muted: #b6c8c0;
  --accent: #ff8a3d;
  --accent-soft: #ffd8bd;
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Space Grotesk", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 138, 61, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(127, 216, 180, 0.12), transparent 24%),
    linear-gradient(180deg, #102327 0%, #091214 100%);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1200px, calc(100% - 32px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(18px); background: rgba(9, 18, 20, 0.72); border-bottom: 1px solid var(--line); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding: 16px 0; }
.brand { display: inline-flex; align-items: center; gap: 14px; }
.brand-mark { display: grid; place-items: center; width: 48px; height: 48px; border-radius: 14px; background: linear-gradient(135deg, var(--accent), #f2b04d); color: #111; font-weight: 700; }
.brand-copy { display: grid; gap: 2px; }
.brand-copy small, .eyebrow, .section-text, .meta, .contact-note { color: var(--muted); }
.nav-tools, .nav-links, .hero-actions, .chip-row, .spec-grid, .cta-row, .contact-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.nav-links a, .lang-button { padding: 10px 14px; border-radius: 999px; border: 1px solid transparent; }
.nav-links a.active, .nav-links a:hover { border-color: var(--line); background: rgba(255, 255, 255, 0.05); }
.language-switcher { display: inline-flex; padding: 4px; border-radius: 999px; border: 1px solid var(--line); background: rgba(255, 255, 255, 0.05); }
.lang-button { min-width: 68px; background: transparent; color: var(--muted); font: inherit; font-weight: 700; cursor: pointer; }
.lang-button.active { background: var(--accent); color: #161616; }
.page { padding: 28px 0 56px; }
.hero { padding: 36px 0 28px; }
.hero-grid, .two-col, .listing-grid, .detail-grid, .inquiry-layout, .feature-grid { display: grid; gap: 20px; }
.hero-grid, .detail-grid, .inquiry-layout { grid-template-columns: 1.15fr 0.85fr; }
.panel, .card, .inquiry-form, .footer, .stat, .spec-item {
  border: 1px solid var(--line);
  background: var(--panel);
  backdrop-filter: blur(12px);
  box-shadow: var(--shadow);
  border-radius: 28px;
}
.panel, .card, .spec-item { padding: 24px; }
.hero h1, .section-head h2 { margin: 0; line-height: 1.04; letter-spacing: -0.03em; }
.hero h1 { font-size: clamp(2.7rem, 6vw, 5.4rem); max-width: 10ch; }
.section { padding: 28px 0; }
.section-head { display: grid; gap: 8px; margin-bottom: 24px; }
.section-head h2 { font-size: clamp(2rem, 4vw, 3.2rem); max-width: 12ch; }
.hero-text, .card p, .panel p, li { line-height: 1.7; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 20px; border-radius: 999px; border: 1px solid var(--line); font-weight: 700; }
.button-primary { background: var(--accent); border-color: var(--accent); color: #161616; }
.button-secondary { background: rgba(255, 255, 255, 0.04); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 28px; }
.stat { padding: 18px; }
.stat strong { display: block; font-size: 1.8rem; }
.listing-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.product-card { overflow: hidden; }
.product-visual, .detail-visual {
  min-height: 220px;
  border-radius: 22px;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.1)),
    linear-gradient(135deg, rgba(255, 138, 61, 0.24), rgba(127, 216, 180, 0.14));
  display: grid;
  place-items: end start;
  padding: 18px;
  font-weight: 700;
}
.product-card h3, .detail-info h1 { margin-bottom: 10px; }
.product-meta, .detail-meta { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 16px; }
.meta-badge { padding: 8px 12px; border-radius: 999px; background: rgba(255, 255, 255, 0.08); border: 1px solid var(--line); color: var(--accent-soft); }
.spec-grid { gap: 12px; }
.spec-item { min-width: 180px; }
.feature-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.inquiry-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; padding: 24px; }
.inquiry-form label { display: grid; gap: 8px; }
.inquiry-form .full { grid-column: 1 / -1; }
input, select, textarea, pre {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.18);
  color: var(--text);
  font: inherit;
}
pre { min-height: 300px; white-space: pre-wrap; margin: 0; line-height: 1.6; }
.footer { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 22px 24px; margin-top: 32px; }
.muted { color: var(--muted); }

@media (max-width: 980px) {
  .nav, .nav-tools, .footer { flex-direction: column; align-items: flex-start; }
  .hero-grid, .listing-grid, .detail-grid, .inquiry-layout, .feature-grid, .stats, .inquiry-form { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .container { width: min(100% - 20px, 1200px); }
}