:root {
  --void: #0a0a0a;
  --deep: #1a1a2e;
  --surface: #141414;
  --border: #222222;
  --green: #00E87B;
  --cyan: #00C0E8;
  --orange: #FA582D;
  --text-primary: #E0E0E0;
  --text-secondary: #888888;
  --text-muted: #555555;
  --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", monospace;
  --font-sans: "Space Grotesk", "Inter", "Helvetica Neue", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font-sans);
  background: var(--void);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

header {
  border-bottom: 1px solid var(--border);
  padding: 20px 0;
  position: sticky;
  top: 0;
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  z-index: 10;
}
header .container { display: flex; align-items: center; justify-content: space-between; }
.logo { display: flex; align-items: center; gap: 10px; }
.wordmark {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--green);
}
nav { display: flex; gap: 24px; }
nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 13px;
  transition: color 0.2s;
}
nav a:hover { color: var(--green); }

.hero {
  padding: 120px 0;
  background: linear-gradient(135deg, var(--void) 0%, #0d1520 100%);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(var(--deep) 1px, transparent 1px),
                    linear-gradient(90deg, var(--deep) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.3;
}
.hero .container { position: relative; }
.hero h1 {
  font-family: var(--font-mono);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero .subtitle {
  font-size: 20px;
  color: var(--text-secondary);
  margin-bottom: 40px;
  max-width: 700px;
}

.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn-primary, .btn-secondary {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  padding: 14px 24px;
  border-radius: 4px;
  text-decoration: none;
  transition: all 0.2s;
  display: inline-block;
}
.btn-primary {
  background: var(--green);
  color: var(--void);
}
.btn-primary:hover { background: #00ff88; }
.btn-secondary {
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.btn-secondary:hover { border-color: var(--green); color: var(--green); }

.features { padding: 100px 0; }
.features h2, .download h2 {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 1px;
  margin-bottom: 40px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  transition: border-color 0.2s;
}
.card:hover { border-color: var(--green); }
.card h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 10px;
  letter-spacing: 1px;
}
.card p { color: var(--text-secondary); font-size: 14px; }

.download {
  padding: 100px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.download .subtitle {
  color: var(--text-secondary);
  margin-bottom: 40px;
}
.license-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
@media (max-width: 700px) { .license-grid { grid-template-columns: 1fr; } }
.license {
  background: var(--void);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 32px;
}
.license h3 {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--green);
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.license p {
  color: var(--text-secondary);
  margin-bottom: 24px;
  font-size: 14px;
}

footer {
  padding: 40px 0;
  text-align: center;
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}
footer a {
  color: var(--text-secondary);
  text-decoration: none;
}
footer a:hover { color: var(--green); }
footer p { margin: 4px 0; }

@media (max-width: 640px) {
  .hero h1 { font-size: 32px; }
  .hero .subtitle { font-size: 16px; }
  nav { gap: 16px; }
  nav a { font-size: 12px; }
}