/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* CSS Variables */
:root {
  /* Colors - Gray with Purple Theme */
  --color-text: rgb(245, 245, 250);
  --color-background: rgb(40, 42, 54);
  --color-accent: #9580FF;
  --color-gray-100: #191A21;
  --color-gray-200: #21222C;
  --color-gray-300: #282A36;
  --color-gray-400: #44475A;
  --color-gray-500: #6272A4;
  --color-gray-600: #B1B6D9;
  --color-gray-700: #D5D9F0;
  --color-gray-800: #E5E9F0;
  --color-gray-900: #F8F8F2;
  
  /* Typography */
  --font-primary: 'Inter', sans-serif;
  --font-secondary: 'Space Grotesk', sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.5;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-xxl: 8rem;
  
  /* Layout */
  --container-width: 1400px;
  --container-padding: 2rem;
  --section-gap: 8rem;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-standard: 0.3s ease;
  --transition-slow: 0.5s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100%;
}

body.menu-open {
  overflow: hidden;
  position: fixed;
  width: 100%;
  height: 100%;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

input, button, textarea, select {
  font: inherit;
  color: inherit;
}

p, h1, h2, h3, h4, h5, h6 {
  overflow-wrap: break-word;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  background: none;
  border: none;
  cursor: pointer;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-secondary);
  line-height: 1.2;
}

/* Selection highlighting */
::selection {
  background-color: var(--color-accent);
  color: white;
}

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

::-webkit-scrollbar-track {
  background: var(--color-gray-300);
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-500);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Helper classes */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}