:root {
  --via-blue-500: #005FFF;
  --via-blue-600: #004FD1;
  --via-blue-700: #003B9E;
  --via-navy-900: #001B44;
  --via-navy-800: #0A1F4D;
  --via-cyan-400: #00B8FF;
  --via-cyan-300: #5DD3FF;
  --via-slate-50: #F7F9FC;
  --via-slate-100: #EEF1F6;
  --via-slate-200: #DDE3EC;
  --via-slate-500: #6B7A90;
  --via-white: #FFFFFF;
  --via-success: #10B981;
  --via-warning: #F59E0B;
  --via-error: #EF4444;
}

.dark {
  --via-slate-50: #0A0F1E;
  --via-slate-100: #111827;
  --via-slate-200: #1F2937;
  --via-slate-500: #9CA3AF;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

h1, h2, h3, h4, h5, h6, .font-display {
  font-family: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* Animated gradient background for hero */
.via-hero-gradient {
  background: linear-gradient(135deg, #001B44 0%, #0A1F4D 50%, #001B44 100%);
  background-size: 200% 200%;
  animation: viaGradientMove 15s ease infinite;
}

@keyframes viaGradientMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Subtle grid overlay */
.via-grid-overlay {
  background-image:
    linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* Glass card */
.via-glass {
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.dark .via-glass {
  background: rgba(10, 31, 77, 0.8);
}

/* Button primary glow */
.via-btn-primary {
  background: linear-gradient(135deg, var(--via-blue-500) 0%, var(--via-blue-600) 100%);
  box-shadow: 0 4px 20px rgba(0, 95, 255, 0.3);
  transition: all 0.2s ease;
}

.via-btn-primary:hover {
  box-shadow: 0 6px 28px rgba(0, 95, 255, 0.4);
  transform: translateY(-1px);
}

/* Circular progress */
.via-progress-ring {
  transform: rotate(-90deg);
}

.via-progress-ring circle {
  transition: stroke-dashoffset 0.8s ease-in-out;
}

/* Stagger animations */
.via-fade-up {
  opacity: 0;
  transform: translateY(20px);
  animation: viaFadeUp 0.6s ease forwards;
}

@keyframes viaFadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Focus visible ring */
.via-focus:focus-visible {
  outline: none;
  box-shadow: 0 0 0 4px rgba(0, 95, 255, 0.2);
}