@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  --bg-color: #030408;
  --bg-gradient: radial-gradient(circle at top right, #0a0e1a, #030408);
  --text-main: #e2e8f0;
  --text-muted: #8b92a5;
  --accent-cyan: #00f0ff;
  --accent-blue: #0055ff;
  --glass-bg: rgba(10, 14, 26, 0.6);
  --glass-border: rgba(0, 240, 255, 0.15);
  --node-glow: drop-shadow(0 0 12px rgba(0, 240, 255, 0.5));
}

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

body {
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-main);
  font-family: 'Inter', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  padding-top: 80px;
}

h1, h2, h3, h4 { font-family: 'Inter', sans-serif; font-weight: 700; letter-spacing: -0.02em; }
a { color: inherit; text-decoration: none; }
.mono { font-family: 'JetBrains Mono', monospace; }

.glass-panel {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  color: #fff; border: none; padding: 12px 24px; border-radius: 8px;
  font-weight: 600; cursor: pointer; transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 85, 255, 0.3); text-transform: uppercase;
  letter-spacing: 1px; font-size: 0.9rem; display: inline-block;
}
.btn-primary:hover { box-shadow: 0 6px 20px rgba(0, 240, 255, 0.5); transform: translateY(-2px); }

.btn-disabled {
  background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--text-muted); cursor: not-allowed; padding: 12px 24px;
  border-radius: 8px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 1px; font-size: 0.9rem; display: inline-block;
}

.gradient-text {
  background: linear-gradient(to right, #00f0ff, #0055ff);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.navbar {
  position: fixed; top: 0; width: 100%; height: 80px; z-index: 100;
  border-bottom: 1px solid var(--glass-border); background: var(--glass-bg);
  backdrop-filter: blur(12px); display: flex; align-items: center; padding: 0 5%;
}
.nav-logo { flex: 1; display: flex; align-items: center; gap: 12px; font-size: 1.25rem; font-weight: 700; letter-spacing: 2px; }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-link { font-size: 0.9rem; color: var(--text-main); opacity: 0.8; }
.nav-link.dev { color: var(--accent-blue); font-weight: 600; opacity: 1; }

.footer {
  border-top: 1px solid var(--glass-border); padding: 40px 5%; margin-top: 80px;
  display: flex; justify-content: space-between; color: var(--text-muted); font-size: 0.85rem;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 10px 0 0 0;
    height: auto;
    align-items: center;
  }
  .nav-logo {
    padding: 0 5%;
    width: 100%;
    margin-bottom: 10px;
    justify-content: space-between;
  }
  .nav-links {
    width: 100%;
    overflow-x: auto;
    overflow-y: hidden;
    white-space: nowrap;
    padding: 15px 5%;
    gap: 20px;
    flex-wrap: nowrap;
    justify-content: flex-start;
    -webkit-overflow-scrolling: touch;
    border-top: 1px solid rgba(0, 240, 255, 0.1);
    background: rgba(0, 0, 0, 0.2);
  }
  .nav-links::-webkit-scrollbar {
    display: none; /* Hide scrollbar for clean look */
  }
  .nav-links .btn-primary {
    white-space: nowrap; /* Prevent button from wrapping */
  }
  
  body {
    padding-top: 130px;
  }
  
  h1 {
    font-size: 2.2rem !important;
  }
  
  section {
    padding: 40px 0 !important;
  }
  
  .footer {
    flex-direction: column;
    gap: 20px;
    align-items: flex-start;
    padding-bottom: 60px;
  }
  .footer div { width: 100%; border: none !important; }
}