:root {
  --font-sans: Inter, system-ui, -apple-system, sans-serif;
  
  /* Modern Vercel/Linear style colors using oklch */
  --background: oklch(1 0 0);
  --foreground: oklch(0.145 0 0);
  --primary: oklch(0.205 0 0);
  --primary-foreground: oklch(0.985 0 0);
  --muted: oklch(0.970 0 0);
  --muted-foreground: oklch(0.556 0 0);
  --border: oklch(0.922 0 0);
  --radius: 0.625rem;
}

* {
  font-family: var(--font-sans);
}

/* Glassmorphism */
.glass {
  background: rgba(255, 255, 255, 0.7);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Fade in animation */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

/* Pulse animation for status dot */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Feature card stagger animation */
.feature-card {
  opacity: 0;
  animation: fadeInUp 0.5s ease-out forwards;
}

.feature-card:nth-child(1) { animation-delay: 0ms; }
.feature-card:nth-child(2) { animation-delay: 100ms; }
.feature-card:nth-child(3) { animation-delay: 200ms; }

/* Button press micro-interaction */
button:active {
  transform: scale(0.98);
}