:root {
  --bg-primary: #0b0f14;
  --bg-secondary: #121821;
  --bg-tertiary: #1a222e;

  --text-primary: #e6edf3;
  --text-secondary: #9aa4af;

  --accent: #00D9FF;
  --accent-secondary: #FF6B35;
  --accent-hover: #FF8C42;
  --accent-dark: #00A8CC;
  --accent-light: #FFD700;

  --border: #2a3441;
  --glow-cyan: rgba(0, 217, 255, 0.3);
  --glow-orange: rgba(255, 107, 53, 0.3);
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  background: radial-gradient(circle at top, var(--bg-secondary), var(--bg-primary));
  color: var(--text-primary);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}

.hero {
  text-align: center;
  padding: 3rem;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.15) 0%, rgba(0, 217, 255, 0.15) 100%);
  border-radius: 16px;
  border: 2px solid var(--accent-secondary);
  box-shadow: 0 0 40px var(--glow-orange), 0 0 30px var(--glow-cyan);
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 0.5rem;
  background: linear-gradient(90deg, var(--accent-secondary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 30px var(--glow-orange);
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.buttons {
  display: flex;
  gap: 1rem;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-hover) 100%);
  color: white;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  transition: 0.3s ease;
  border: 2px solid var(--accent-secondary);
  box-shadow: 0 0 20px var(--glow-orange);
  font-weight: bold;
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  transform: translateY(-3px);
  box-shadow: 0 0 30px var(--glow-cyan), 0 0 50px var(--glow-orange);
  border-color: var(--accent);
}

footer {
  position: absolute;
  bottom: 1rem;
  text-align: center;
  color: var(--text-secondary);
}

.navigation {
  margin-top: 2rem;
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-primary);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  text-decoration: none;
  transition: 0.2s ease;
  border: 1px solid var(--accent-secondary);
}

.btn-secondary:hover {
  background: linear-gradient(135deg, var(--accent-secondary) 0%, var(--accent-hover) 100%);
  color: white;
  box-shadow: 0 0 20px var(--glow-orange);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background: linear-gradient(90deg, var(--bg-secondary) 0%, rgba(255, 107, 53, 0.05) 100%);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 2px solid var(--accent-secondary);
  box-shadow: 0 0 20px var(--glow-orange);
}

.navbar a {
  color: var(--text-primary);
  text-decoration: none;
  margin-left: 1rem;
  transition: 0.3s ease;
}

.navbar a:hover {
  color: var(--accent-secondary);
  text-shadow: 0 0 10px var(--accent-secondary);
}