:root {
  --bg: #050913;
  --panel: rgba(10, 19, 35, 0.82);
  --panel-solid: #0c1424;
  --text: #eff8ff;
  --muted: #a9bbcf;
  --line: rgba(112, 218, 255, 0.22);
  --cyan: #18c8ff;
  --cyan-2: #5ee7ff;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.42);
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: radial-gradient(circle at top right, rgba(24, 200, 255, 0.18), transparent 32%), var(--bg);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.site-header { min-height: 100vh; padding: 22px clamp(18px, 4vw, 72px) 70px; position: relative; overflow: hidden; }
.site-header::before {
  content: "";
  position: absolute;
  inset: 20% -10% auto auto;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(24, 200, 255, 0.24), transparent 70%);
  filter: blur(10px);
  pointer-events: none;
}

.navbar {
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid var(--line);
  background: rgba(5, 9, 19, 0.72);
  backdrop-filter: blur(18px);
  border-radius: 999px;
  position: sticky;
  top: 16px;
  z-index: 10;
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -0.03em; }
.brand img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a { color: var(--muted); font-size: 0.95rem; font-weight: 600; padding: 12px 16px; border-radius: 999px; }
.nav-links a:hover, .nav-links .nav-cta { color: var(--white); background: rgba(24, 200, 255, 0.12); }
.menu-toggle { display: none; color: var(--white); background: transparent; border: 0; font-size: 1.6rem; }

.hero {
  max-width: 1180px;
  margin: 95px auto 0;
  display: grid;
  grid-template-columns: 1.08fr 0.92fr;
  gap: 48px;
  align-items: center;
  position: relative;
}
.eyebrow, .section-label { color: var(--cyan-2); text-transform: uppercase; letter-spacing: 0.16em; font-size: 0.78rem; font-weight: 800; }
h1, h2, h3, p { margin-top: 0; }
h1 { font-size: clamp(3rem, 8vw, 6.4rem); line-height: 0.9; letter-spacing: -0.08em; margin-bottom: 24px; }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; letter-spacing: -0.06em; margin-bottom: 18px; }
h3 { letter-spacing: -0.03em; }
.hero-text { color: var(--muted); font-size: 1.18rem; line-height: 1.7; max-width: 640px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 30px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 22px; border-radius: 999px; font-weight: 800; border: 1px solid var(--line); transition: transform .2s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-2px); }
.btn.primary { background: linear-gradient(135deg, var(--cyan), var(--cyan-2)); color: #02111d; box-shadow: 0 14px 36px rgba(24, 200, 255, 0.28); }
.btn.secondary { color: var(--white); background: rgba(255,255,255,0.06); }
.btn.full { width: 100%; margin-top: 12px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 46px; }
.stats div { padding: 18px; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,0.04); }
.stats strong { display: block; color: var(--cyan-2); font-size: 1.4rem; }
.stats span { color: var(--muted); font-size: .86rem; }
.hero-card { border: 1px solid var(--line); background: linear-gradient(180deg, rgba(24, 200, 255, 0.16), rgba(255,255,255,0.04)); border-radius: 36px; padding: 22px; box-shadow: var(--shadow); }
.hero-card img { border-radius: 28px; aspect-ratio: 1 / 1; object-fit: cover; }
.hero-card-footer { display: flex; justify-content: space-between; gap: 10px; padding-top: 18px; color: var(--muted); font-size: 0.86rem; font-weight: 700; }

.section { max-width: 1180px; margin: 0 auto; padding: 90px clamp(18px, 4vw, 0px); }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.split p, .section-heading p, .contact p { color: var(--muted); line-height: 1.8; font-size: 1.02rem; }
.section-heading { display: flex; justify-content: space-between; gap: 32px; align-items: end; margin-bottom: 34px; }
.section-heading p { max-width: 420px; }
.product-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.product-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 12px 40px rgba(0,0,0,0.22); transition: transform .22s ease, border-color .22s ease; }
.product-card:hover { transform: translateY(-6px); border-color: rgba(94, 231, 255, 0.62); }
.product-card img { width: 100%; aspect-ratio: 1 / .78; object-fit: cover; background: #fff; }
.product-body { padding: 22px; }
.tag { display: inline-flex; margin-bottom: 12px; color: #05111c; background: var(--cyan-2); padding: 7px 11px; border-radius: 999px; font-size: .78rem; font-weight: 900; }
.product-body h3 { font-size: 1.45rem; margin-bottom: 10px; }
.product-body p { color: var(--muted); line-height: 1.65; min-height: 78px; }
.product-body a { color: var(--cyan-2); font-weight: 800; }
.quality-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; margin-top: 28px; }
.quality-card { padding: 28px; border-radius: var(--radius); background: linear-gradient(180deg, rgba(24, 200, 255, 0.12), rgba(255,255,255,0.04)); border: 1px solid var(--line); }
.quality-card span { color: var(--cyan-2); font-weight: 900; }
.quality-card p { color: var(--muted); line-height: 1.7; }
.contact-panel { display: grid; grid-template-columns: 1fr .9fr; gap: 34px; padding: clamp(28px, 6vw, 56px); border-radius: 34px; background: linear-gradient(135deg, rgba(24, 200, 255, 0.16), rgba(255,255,255,0.04)); border: 1px solid var(--line); box-shadow: var(--shadow); }
.contact-box { padding: 24px; background: rgba(5, 9, 19, 0.58); border: 1px solid var(--line); border-radius: 24px; }
.contact-box p { margin-bottom: 12px; }
.note { font-size: .92rem !important; background: rgba(24, 200, 255, 0.09); padding: 12px; border-radius: 14px; }
.footer { max-width: 1180px; margin: 0 auto; padding: 34px clamp(18px, 4vw, 0px) 50px; display: flex; justify-content: space-between; align-items: center; color: var(--muted); border-top: 1px solid var(--line); }
.footer div { display: flex; align-items: center; gap: 12px; }
.footer img { width: 42px; height: 42px; border-radius: 50%; object-fit: cover; }
.footer p { margin: 0; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .nav-links { display: none; position: absolute; top: 78px; left: 12px; right: 12px; flex-direction: column; align-items: stretch; padding: 14px; border-radius: 24px; background: #08111f; border: 1px solid var(--line); }
  .nav-links.open { display: flex; }
  .hero, .split, .contact-panel { grid-template-columns: 1fr; }
  .product-grid, .quality-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading { align-items: start; flex-direction: column; }
}
@media (max-width: 620px) {
  .brand span { font-size: .95rem; }
  .site-header { min-height: auto; }
  .hero { margin-top: 54px; }
  .stats, .product-grid, .quality-grid { grid-template-columns: 1fr; }
  .footer { flex-direction: column; align-items: start; gap: 16px; }
  h1 { font-size: 3.2rem; }
}