* {
  box-sizing: border-box;
}

body {
  font-family: 'Source Sans 3', sans-serif;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.font-crimson {
  font-family: 'Crimson Pro', serif;
}

/* Subtle paper texture effect */
.bg-gradient-to-b {
  background-image: 
    url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"),
    linear-gradient(to bottom, rgba(255, 251, 235, 0.8), rgba(231, 229, 228, 1), rgba(255, 251, 235, 0.6));
  background-blend-mode: soft-light, normal;
}

/* Card shadow enhancement */
article {
  box-shadow: 
    0 4px 6px -1px rgba(120, 113, 108, 0.1),
    0 2px 4px -2px rgba(120, 113, 108, 0.1),
    0 0 0 1px rgba(168, 162, 158, 0.05);
}

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

/* Subtle animation for the pulse */
@keyframes gentlePulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.animate-pulse {
  animation: gentlePulse 2s ease-in-out infinite;
}

/* Print styles for reference sheet feel */
@media print {
  body {
    background: white !important;
  }
  
  article {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #e7e5e4;
  }
  
  footer {
    display: none;
  }
}