:root {
  --color-primary: #4f46e5;
  --color-secondary: #7c3aed;
  --color-accent: #f59e0b;
  --color-dark: #1e293b;
  --color-light: #f8fafc;
}

/* Base styles with modern reset */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  line-height: 1.5;
  color: var(--color-dark);
  background-color: var(--color-light);
}

/* Modern animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

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

.animate-slide {
  animation: slideUp 0.6s ease-out forwards;
}

/* Modern scrollbar */
::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 10px;
  border: 2px solid var(--color-light);
}

/* Typography enhancements */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  background: linear-gradient(to right, var(--color-primary), var(--color-secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

/* Custom transitions */
a, button {
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Modern focus states */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* Utility classes for animations */
.delay-100 {
  animation-delay: 100ms;
}

.delay-200 {
  animation-delay: 200ms;
}

.delay-300 {
  animation-delay: 300ms;
}