/* Custom CSS Variables */
:root {
  --color-text-primary: #1a202c;
  --color-text-secondary: #4a5568;
  --color-text-disabled: #a0aec0;
  --color-success: #48bb78;
  --color-warn: #ed8936;
  --color-info: #4299e1;
  --color-error: #f56565;
}

/* Base Styles */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
}

p {
  line-height: 1.6;
}

/* Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-fadeIn {
  animation: fadeIn 0.6s ease-out;
}

/* Section Transitions */
section {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s ease-out;
}

section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Link Hover Effects */
a {
  transition: all 0.2s ease;
}

/* Button Styles */
.btn-primary {
  @apply px-6 py-3 bg-black text-white rounded-lg hover:bg-gray-800 transition-colors;
}

.btn-secondary {
  @apply px-6 py-3 bg-gray-200 text-gray-800 rounded-lg hover:bg-gray-300 transition-colors;
}

/* Card Hover Effects */
.card {
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
  background: #888;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #555;
}

/* Focus States */
a:focus,
button:focus,
input:focus,
textarea:focus {
  outline: 2px solid var(--color-info);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  body {
    font-size: 12pt;
  }
  
  a {
    text-decoration: underline;
  }
}

/* Responsive Typography */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
}