:root {
  --bg: #07111f;
  --panel: #0d1b2e;
  --panel-2: #10243d;
  --text: #eaf3ff;
  --muted: #aab8cc;
  --line: rgba(255,255,255,.12);
  --accent: #4fd1ff;
  --accent-2: #72f2b8;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(79,209,255,.2), transparent 32rem),
    radial-gradient(circle at top right, rgba(114,242,184,.14), transparent 30rem),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
.container { width: min(1120px, calc(100% - 32px)); margin: 0 auto; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(18px);
  background: rgba(7,17,31,.78);
  border-bottom: 1px solid var(--line);
}
.nav { height: 76px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; letter-spacing: -.02em; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 14px; 
  display: grid; place-items: center;
  box-shadow: 0 14px 40px rgba(79,209,255,.25);
}
.nav-links { display: flex; gap: 26px; color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: var(--text); }
.nav-toggle { display: none; background: none; border: 0; padding: 8px; }
.nav-toggle span { display: block; width: 25px; height: 2px; margin: 5px; background: var(--text); }
.hero { padding: 86px 0 72px; }
.hero-grid { display: grid; grid-template-columns: 1fr .95fr; gap: 56px; align-items: center; }
.eyebrow { margin: 0 0 12px; color: var(--accent-2); text-transform: uppercase; letter-spacing: .16em; font-weight: 800; font-size: .78rem; }
h1, h2, h3 { line-height: 1.05; margin: 0; letter-spacing: -.04em; }
h1 { font-size: clamp(2.8rem, 7vw, 5.9rem); max-width: 850px; }
h2 { font-size: clamp(2rem, 4vw, 3.5rem); }
h3 { font-size: 1.35rem; margin-top: 20px; }
.lead { color: var(--muted); font-size: 1.2rem; max-width: 650px; margin: 24px 0 0; }
.hero-actions, .contact-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 34px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 22px; border-radius: 999px; font-weight: 800; border: 1px solid var(--line); }
.button.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06111f; border: 0; }
.button.secondary { background: rgba(255,255,255,.06); color: var(--text); }
.hero-art { padding: 18px; border: 1px solid var(--line); border-radius: 34px; background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.03)); box-shadow: var(--shadow); }
.section { padding: 80px 0; }
.section-heading { max-width: 760px; margin-bottom: 36px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 28px; background: rgba(13,27,46,.74); box-shadow: 0 14px 60px rgba(0,0,0,.22); }
.card img { height: 150px; object-fit: contain; margin-bottom: 8px; }
.card p, .split-grid p, .contact-card p { color: var(--muted); }
.split-section { background: rgba(255,255,255,.03); border-block: 1px solid var(--line); }
.split-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: center; }
.feature-list { display: grid; gap: 16px; }
.feature-list div { display: flex; gap: 18px; align-items: center; padding: 22px; background: rgba(255,255,255,.06); border: 1px solid var(--line); border-radius: 20px; }
.feature-list strong { color: var(--accent); font-size: 1.2rem; }
.contact { padding: 80px 0; }
.contact-card { display: flex; justify-content: space-between; gap: 30px; align-items: center; padding: 42px; border-radius: 32px; background: linear-gradient(135deg, rgba(79,209,255,.13), rgba(114,242,184,.08)); border: 1px solid var(--line); box-shadow: var(--shadow); }
.footer { padding: 28px 0; color: var(--muted); border-top: 1px solid var(--line); }
@media (max-width: 850px) {
  .nav-toggle { display: block; }
  .nav-links { display: none; position: absolute; inset: 76px 16px auto; padding: 18px; border-radius: 18px; background: var(--panel); border: 1px solid var(--line); flex-direction: column; }
  .nav-open .nav-links { display: flex; }
  .hero-grid, .split-grid, .cards { grid-template-columns: 1fr; }
  .hero { padding-top: 52px; }
  .contact-card { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 520px) {
  .brand span:last-child { font-size: .95rem; }
  .hero-actions, .contact-actions { flex-direction: column; }
  .button { width: 100%; }
  .card, .contact-card { padding: 24px; }
}