/* ArcadiaB Design System */
/* Global styles, reset, typography, design tokens */

/* ========================================
   FONTS
   ======================================== */

@import url('https://fonts.googleapis.com/css2?family=Red+Hat+Display:wght@400;500;600;700;800&family=Red+Hat+Text:wght@400;500;600;700&display=swap');

/* ========================================
   DESIGN TOKENS
   ======================================== */

:root {
  /* Primary Backgrounds */
  --bg-primary: #0B0B1A;
  --bg-secondary: #111128;
  --bg-card: rgba(26, 26, 53, 0.7);
  
  /* Gold Accent - Signature ArcadiaB Color */
  --gold: #D4A843;
  --gold-light: #E8C76A;
  --gold-dark: #B8922E;
  
  /* Orange - App Action Color */
  --orange: #E8863A;
  
  /* Text Hierarchy */
  --text-bright: #FFFFFF;
  --text-primary: #E8E6E0;
  --text-secondary: #9A98A8;
  --text-muted: #6B6980;
  
  /* Functional Colors */
  --green: #4ADE80;
  --red: #EF4444;
  
  /* Borders */
  --border: rgba(212, 168, 67, 0.15);
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(212, 168, 67, 0.3);
  
  /* Gradients */
  --gold-gradient: linear-gradient(135deg, var(--gold), var(--gold-dark));
  
  /* Typography */
  --font-display: 'Red Hat Display', 'Helvetica Neue', -apple-system, sans-serif;
  --font-text: 'Red Hat Text', 'Helvetica Neue', -apple-system, sans-serif;
  
  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 2.5rem;
  --space-2xl: 3.5rem;
  --space-3xl: 4.5rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 34px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
  --shadow-gold: 0 8px 32px rgba(212, 168, 67, 0.15);
  
  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Breakpoints (for reference in media queries) */
  --bp-mobile: 768px;
  --bp-tablet: 1024px;
  --bp-desktop: 1280px;
}

/* ========================================
   RESET & BASE STYLES
   ======================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-text);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* ========================================
   TYPOGRAPHY
   ======================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-bright);
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 3rem;
  font-weight: 700;
}

h2 {
  font-size: 2.2rem;
}

h3 {
  font-size: 1.35rem;
}

p {
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

a {
  color: var(--gold);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--gold-light);
}

strong {
  font-weight: 700;
  color: var(--text-bright);
}

/* Small text / labels */
.label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gold);
  font-weight: 700;
  display: block;
  margin-bottom: var(--space-sm);
}

/* Large body text */
.text-lg {
  font-size: 1.1rem;
}

/* Secondary text */
.text-secondary {
  color: var(--text-secondary);
}

/* Muted text */
.text-muted {
  color: var(--text-muted);
}

/* Gold accent text */
.text-gold {
  color: var(--gold);
}

/* ========================================
   LAYOUT UTILITIES
   ======================================== */

.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container-narrow {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-3xl) 0;
  position: relative;
  z-index: 1;
}

.section-sm {
  padding: var(--space-2xl) 0;
}

/* Grid utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-lg);
}

/* Flexbox utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  display: flex;
  flex-direction: column;
}

.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 1024px) {
  html {
    font-size: 15px;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 1.8rem;
  }
  
  .grid-2, .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .section {
    padding: var(--space-2xl) 0;
  }
}

@media (max-width: 768px) {
  html {
    font-size: 14px;
  }
  
  h1 {
    font-size: 2rem;
  }
  
  h2 {
    font-size: 1.5rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .section {
    padding: var(--space-xl) 0;
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  border: 0;
  padding: 0;
  clip: rect(0 0 0 0);
  overflow: hidden;
}

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

/* ========================================
   SCROLL ANIMATIONS
   ======================================== */

.animate-me {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger animation for grid items */
.grid-2 .animate-me,
.grid-3 .animate-me {
  transition-delay: calc(var(--animation-order, 0) * 0.1s);
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .animate-me {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ========================================
   ACCESSIBILITY
   ======================================== */

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--gold);
  color: var(--bg-primary);
  padding: 0.5rem 1rem;
  z-index: 100;
  text-decoration: none;
  font-weight: 600;
}

.skip-to-main:focus {
  top: 0;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #FFFFFF;
    --border: #FFFFFF;
  }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.center {
  text-align: center;
}

.text-center {
  text-align: center;
}