:root {
  --bg: #050a1a;
  --bg-soft: #0a1226;
  --card: #0d1730;
  --line: #1c2b4d;
  --blue: #3ea6ff;
  --pink: #ff4fa3;
  --ink: #f1f5fb;
  --ink-dim: #93a2c0;
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Inter', sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-body);
  line-height: 1.65; -webkit-font-smoothing: antialiased;
}
h1, h2, h3 { font-family: var(--font-display); margin: 0; }
a { color: inherit; text-decoration: none; }
img, svg { max-width: 100%; display: block; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--blue); color: #04101f; padding: 12px 20px; z-index: 200; font-weight: 700; }
.skip-link:focus { left: 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 14px 26px; border-radius: 8px; font-weight: 700; font-size: 0.9rem;
  cursor: pointer; border: 1px solid transparent; font-family: var(--font-display);
  transition: transform 0.15s ease, filter 0.15s ease; letter-spacing: 0.02em;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: linear-gradient(135deg, var(--blue), #1a6fd6); color: #04101f; }
.btn-outline { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-lg { padding: 16px 30px; font-size: 0.95rem; }
.btn-block { width: 100%; }
.btn-small { padding: 9px 16px; font-size: 0.8rem; }

/* HEADER */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(5,10,26,0.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; gap: 24px; padding: 16px 32px; }
.logo { display: flex; align-items: center; gap: 8px; font-family: var(--font-display); font-weight: 700; font-size: 0.95rem; }
.logo-ring { width: 16px; height: 16px; border-radius: 50%; border: 3px solid var(--blue); display: inline-block; }
.logo-accent { color: var(--blue); }
.main-nav { flex: 1; display: flex; gap: 24px; }
.main-nav a { font-size: 0.88rem; color: var(--ink-dim); }
.main-nav a:hover { color: var(--blue); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 22px; height: 2px; background: var(--ink); display: block; }

/* HERO */
.hero { position: relative; padding: 90px 0 70px; overflow: hidden; }
.hero-grid-bg {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(62,166,255,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(62,166,255,0.06) 1px, transparent 1px);
  background-size: 44px 44px; mask-image: radial-gradient(circle at 75% 40%, black, transparent 70%);
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 40px; align-items: center; }
.eyebrow { color: var(--blue); font-size: 0.85rem; margin-bottom: 18px; }
.hero-title { font-size: clamp(2.4rem, 6vw, 4rem); line-height: 1.02; margin-bottom: 22px; }
.accent { color: var(--blue); }
.hero-desc { color: var(--ink-dim); max-width: 52ch; margin-bottom: 30px; }
.hero-cat-row { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.hero-cat { display: flex; align-items: center; gap: 8px; background: var(--card); border: 1px solid var(--line); padding: 10px 16px; border-radius: 999px; font-size: 0.85rem; }
.hero-cat:hover { border-color: var(--blue); }
.cat-count { color: var(--ink-dim); }

.hero-visual {
  position: relative; display: flex; align-items: center; justify-content: center; min-height: 300px;
  border-radius: 24px; overflow: hidden; background-size: cover; background-position: center;
  box-shadow: 0 30px 60px -20px rgba(0,0,0,0.6);
}
.visor-glow { position: absolute; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(62,166,255,0.25), transparent 70%); pointer-events: none; }

/* LAB NOTE */
.lab-note { padding: 40px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--bg-soft); }
.lab-note p { color: var(--ink-dim); max-width: 900px; margin: 0; font-size: 0.92rem; }

/* SECTIONS SHARED */
.section-kicker { color: var(--blue); font-family: var(--font-display); font-size: 0.78rem; letter-spacing: 0.05em; display: block; margin-bottom: 12px; }
.section-title { font-size: clamp(1.6rem, 3.4vw, 2.2rem); margin-bottom: 36px; }

/* PRODUCTS */
.products { padding: 90px 0; border-bottom: 1px solid var(--line); }
.product-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.product-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.product-thumb { height: 130px; background-size: cover; background-position: center; border-radius: 10px; }
.product-card h3 { padding: 18px 18px 8px; font-size: 0.98rem; }
.product-desc { padding: 0 18px; color: var(--ink-dim); font-size: 0.82rem; margin: 0 0 16px; }
.product-row { display: flex; align-items: center; justify-content: space-between; padding: 0 18px 18px; }
.product-price { font-family: var(--font-display); font-weight: 700; }

/* COMPARE */
.compare { padding: 90px 0; border-bottom: 1px solid var(--line); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 480px; }
th, td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
thead th { color: var(--blue); font-family: var(--font-display); font-size: 0.8rem; }
tbody th { color: var(--ink-dim); font-weight: 500; }

/* APPS */
.apps { padding: 90px 0; border-bottom: 1px solid var(--line); }
.apps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.app-card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.app-thumb { height: 140px; background-size: cover; background-position: center; border-radius: 10px; }
.app-card h3 { padding: 18px 20px 8px; font-size: 1rem; }
.app-card p { padding: 0 20px 20px; color: var(--ink-dim); font-size: 0.85rem; margin: 0; }

/* SUPPORT */
.support { padding: 90px 0; }
.support-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.section-lead { color: var(--ink-dim); margin-bottom: 26px; }
.contact-list { display: grid; gap: 16px; }
.contact-list dt { font-size: 0.72rem; color: var(--ink-dim); text-transform: uppercase; letter-spacing: 0.05em; }
.contact-list dd { margin: 4px 0 0; font-weight: 600; }
.contact-list a { color: var(--blue); }

.contact-form { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 30px; }
.contact-form h3 { margin-bottom: 20px; font-size: 1.1rem; }
.form-row { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-row label { font-size: 0.85rem; font-weight: 600; }
.form-row input, .form-row select {
  background: var(--bg-soft); border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px;
  color: var(--ink); font-family: var(--font-body); font-size: 0.95rem;
}
.form-row input:focus, .form-row select:focus { outline: 2px solid var(--blue); }
.form-row input[aria-invalid="true"], .form-row select[aria-invalid="true"] { border-color: #f16565; }
.form-error { color: #f16565; font-size: 0.78rem; min-height: 1em; }
.form-success { margin-top: 16px; background: rgba(62,166,255,0.12); padding: 14px; border-radius: 10px; font-size: 0.9rem; }

/* FOOTER */
.site-footer { padding: 30px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { color: var(--ink-dim); font-size: 0.85rem; }
.footer-links a:hover { color: var(--blue); }
.footer-copy { color: #576280; font-size: 0.76rem; margin: 0; }

/* TOAST */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(20px);
  background: var(--card); border: 1px solid var(--blue); color: var(--ink); padding: 12px 22px;
  border-radius: 999px; font-size: 0.85rem; opacity: 0; pointer-events: none; transition: all 0.3s ease; z-index: 300;
}
.toast.is-visible { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 980px) {
  .hero-inner, .support-grid { grid-template-columns: 1fr; }
  .product-grid, .apps-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-visual { order: -1; }
}

@media (max-width: 720px) {
  .header-cta { display: none; }
  .nav-toggle { display: flex; }
  .main-nav {
    display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg);
    border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 8px 32px 16px;
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 12px 0; border-bottom: 1px solid var(--line); }
  .product-grid, .apps-grid { grid-template-columns: 1fr; }
}