:root {
  --bg-primary: #0a0d14;
  --bg-secondary: #0f1422;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(26, 35, 56, 0.85);
  --border-color: rgba(56, 189, 248, 0.15);
  --border-glow: rgba(56, 189, 248, 0.4);
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --accent-blue: #3b82f6;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 60%, rgba(16, 185, 129, 0.07) 0%, transparent 40%),
    radial-gradient(circle at 50% 90%, rgba(59, 130, 246, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

/* Glassmorphism card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--border-color);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-glow);
  transform: translateY(-3px);
  box-shadow: 0 12px 30px -10px rgba(6, 182, 212, 0.15);
}

/* Glowing text and badges */
.text-glow {
  text-shadow: 0 0 20px rgba(6, 182, 212, 0.5);
}

.glow-pill {
  box-shadow: 0 0 15px rgba(16, 185, 129, 0.3);
}

/* Custom subtle grid background */
.bg-grid {
  background-size: 32px 32px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
}

/* Custom scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #0a0d14;
}
::-webkit-scrollbar-thumb {
  background: #1e293b;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #334155;
}

/* Pulse animation for radar indicator */
@keyframes radar-ping {
  0% { transform: scale(0.95); opacity: 0.8; }
  50% { transform: scale(1.6); opacity: 0; }
  100% { transform: scale(0.95); opacity: 0; }
}

.radar-dot {
  position: relative;
}
.radar-dot::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #10b981;
  animation: radar-ping 2s cubic-bezier(0, 0, 0.2, 1) infinite;
}

/* Smooth details/accordion animation */
details > summary {
  list-style: none;
}
details > summary::-webkit-details-marker {
  display: none;
}
details summary svg.faq-arrow {
  transition: transform 0.25s ease;
}
details[open] summary svg.faq-arrow {
  transform: rotate(180deg);
}