:root {
  --bg: #0b0b12;
  --surface: #12121b;
  --text: #e6e6ff;
  --text-secondary: #a0a0c0;
  --neon-cyan: #00f7ff;
  --neon-blue: #00aeff;
  --glow-cyan: 0 0 10px rgba(0, 247, 255, 0.5);
  --glow-blue: 0 0 10px rgba(0, 174, 255, 0.5);
  --border-radius: 12px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'Space Grotesk', sans-serif;
  font-weight: 700;
}

a {
  text-decoration: none;
  color: var(--neon-cyan);
}

.btn-primary {
  background: transparent;
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  padding: 12px 28px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--glow-cyan);
}
.btn-primary:hover {
  background: rgba(0, 247, 255, 0.05);
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--text-secondary);
  padding: 12px 28px;
  border-radius: var(--border-radius);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
}
.btn-outline:hover {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
  box-shadow: var(--glow-blue);
}

.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(18, 18, 27, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 247, 255, 0.1);
}
.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 5%;
  max-width: 1400px;
  margin: 0 auto;
}
.nav-brand {
  font-family: 'Space Grotesk', sans-serif;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--neon-cyan);
  text-shadow: var(--glow-cyan);
}
.nav-links {
  display: flex;
  gap: 3rem;
}
.nav-links a {
  color: var(--text);
  font-weight: 500;
  transition: var(--transition);
}
.nav-links a:hover {
  color: var(--neon-cyan);
}
.nav-cta {
  background: transparent;
  border: 1px solid var(--neon-blue);
  color: var(--neon-blue);
  padding: 8px 16px;
  border-radius: 8px;
  cursor: pointer;
}
.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  font-size: 1.5rem;
  cursor: pointer;
}

.footer {
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
  border-top: 1px solid rgba(255,255,255,0.05);
  margin-top: 4rem;
}

/* Utilities */
.neon-cyan { color: var(--neon-cyan); text-shadow: var(--glow-cyan); }
.neon-blue { color: var(--neon-blue); text-shadow: var(--glow-blue); }

/* Responsive */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: block; }
  .btn-primary, .btn-outline { width: 100%; margin-bottom: 0.5rem; }
}