:root {
    --bg: #0a0e14;
    --bg-soft: #0f1520;
    --card: #121926;
    --border: #1e2937;
    --text: #e6edf3;
    --muted: #8b98a9;
    --accent: #4de3a2;
    --accent-2: #5b9dff;
    --mono: 'JetBrains Mono', ui-monospace, monospace;
  }
  * { margin: 0; padding: 0; box-sizing: border-box; }
  html { scroll-behavior: smooth; }
  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Space Grotesk', system-ui, sans-serif;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  a { color: var(--accent); text-decoration: none; }
  a:hover { text-decoration: underline; }
  .container { max-width: 1080px; margin: 0 auto; padding: 0 24px; }

  header {
    position: sticky; top: 0; z-index: 10;
    background: rgba(10,14,20,0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
  }
  .nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
  .logo { font-weight: 700; font-size: 1.15rem; letter-spacing: -0.02em; color: var(--text); }
  .logo span { color: var(--accent); }
  nav.links { display: flex; gap: 28px; }
  nav.links a { color: var(--muted); font-size: 0.95rem; font-weight: 500; }
  nav.links a:hover { color: var(--text); text-decoration: none; }

  .hero { padding: 110px 0 90px; position: relative; overflow: hidden; }
  .hero::before {
    content: '';
    position: absolute; inset: 0;
    background:
      radial-gradient(600px 300px at 20% 0%, rgba(77,227,162,0.08), transparent),
      radial-gradient(600px 300px at 80% 20%, rgba(91,157,255,0.08), transparent);
    pointer-events: none;
  }
  .hero .kicker {
    font-family: var(--mono);
    font-size: 0.8rem;
    color: var(--accent);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: 18px;
  }
  .hero h1 {
    font-size: clamp(2.4rem, 6vw, 4.2rem);
    font-weight: 700;
    letter-spacing: -0.03em;
    line-height: 1.08;
    max-width: 820px;
  }
  .hero h1 em { font-style: normal; color: var(--accent); }
  .hero p.lead {
    margin-top: 22px;
    font-size: 1.2rem;
    color: var(--muted);
    max-width: 640px;
  }
  .hero .cta { margin-top: 36px; display: flex; gap: 16px; flex-wrap: wrap; }
  .btn {
    display: inline-block; padding: 12px 26px; border-radius: 8px;
    font-weight: 600; font-size: 0.98rem;
    transition: transform .15s ease, opacity .15s ease;
  }
  .btn:hover { transform: translateY(-2px); text-decoration: none; }
  .btn-primary { background: var(--accent); color: #06281a; }
  .btn-ghost { border: 1px solid var(--border); color: var(--text); }
  .btn-ghost:hover { border-color: var(--accent); }

  section { padding: 80px 0; border-top: 1px solid var(--border); }
  .section-label {
    font-family: var(--mono); font-size: 0.78rem; color: var(--accent-2);
    text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 12px;
  }
  h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); letter-spacing: -0.02em; margin-bottom: 16px; }
  .section-intro { color: var(--muted); max-width: 640px; font-size: 1.05rem; }

  .grid { display: grid; gap: 20px; margin-top: 44px; }
  .grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
  .card {
    background: var(--card); border: 1px solid var(--border);
    border-radius: 12px; padding: 28px;
    transition: border-color .2s ease, transform .2s ease;
  }
  .card:hover { border-color: var(--accent); transform: translateY(-3px); }
  .card .icon { font-size: 1.7rem; margin-bottom: 14px; }
  .card h3 { font-size: 1.15rem; margin-bottom: 10px; letter-spacing: -0.01em; }
  .card p { color: var(--muted); font-size: 0.95rem; }

  footer { border-top: 1px solid var(--border); padding: 44px 0 60px; color: var(--muted); font-size: 0.9rem; }
  .footer-inner { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
  footer a { color: var(--muted); }
  footer a:hover { color: var(--accent); }
  .footer-links { display: flex; gap: 22px; flex-wrap: wrap; }

  @media (max-width: 820px) {
    .grid.cols-3 { grid-template-columns: 1fr; }
    nav.links { display: none; }
    .hero { padding: 80px 0 60px; }
  }