/* CDS Design System - Design Tokens */
:root {
  /* === COLOR TOKENS === */
  /* Primary Colors */
  --color-primary-50: #f0f7ff;
  --color-primary-100: #e0efff;
  --color-primary-200: #b9ddff;
  --color-primary-300: #7cc2ff;
  --color-primary-400: #36a0ff;
  --color-primary-500: #0a84ff;
  --color-primary-600: #0066cc;
  --color-primary-700: #014C92; /* Brand Primary */
  --color-primary-800: #003d73;
  --color-primary-900: #002e54;
  --color-primary-950: #001f36;

  /* Secondary Colors */
  --color-secondary-50: #fff7ed;
  --color-secondary-100: #ffedd5;
  --color-secondary-200: #fed7aa;
  --color-secondary-300: #fdba74;
  --color-secondary-400: #fb923c;
  --color-secondary-500: #F19E18; /* Brand Secondary */
  --color-secondary-600: #ea580c;
  --color-secondary-700: #c2410c;
  --color-secondary-800: #9a3412;
  --color-secondary-900: #7c2d12;

  /* Accent Colors */
  --color-accent-50: #fff7ed;
  --color-accent-100: #ffedd5;
  --color-accent-200: #fed7aa;
  --color-accent-300: #fdba74;
  --color-accent-400: #fb923c;
  --color-accent-500: #F19E18; /* Brand Accent */
  --color-accent-600: #ea580c;
  --color-accent-700: #c2410c;
  --color-accent-800: #9a3412;
  --color-accent-900: #7c2d12;

  /* Neutral Colors */
  --color-neutral-0: #ffffff;
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;

  /* Semantic Colors */
  --color-success: var(--color-secondary-500);
  --color-warning: var(--color-accent-500);
  --color-error: #ef4444;
  --color-info: #3b82f6;

  /* === TYPOGRAPHY TOKENS === */
  --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Font Weights */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  /* Font Sizes - Fluid Typography */
  --font-size-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --font-size-sm: clamp(0.875rem, 0.8rem + 0.375vw, 1rem);
  --font-size-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --font-size-lg: clamp(1.125rem, 1rem + 0.625vw, 1.25rem);
  --font-size-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
  --font-size-2xl: clamp(1.5rem, 1.3rem + 1vw, 2rem);
  --font-size-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
  --font-size-4xl: clamp(2.25rem, 1.7rem + 2.75vw, 3rem);
  --font-size-5xl: clamp(3rem, 2rem + 5vw, 4rem);

  /* Line Heights */
  --line-height-tight: 1.1;
  --line-height-snug: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* === BORDER RADIUS TOKENS === */
  --radius-sm: 0.25rem;
  --radius-base: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* === SHADOW TOKENS === */
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-base: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

  /* === GRADIENT TOKENS === */
  --gradient-primary: linear-gradient(135deg, var(--color-primary-700) 0%, var(--color-secondary-500) 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-secondary-500) 0%, var(--color-accent-500) 100%);
}

/* === ANIMATIONS === */
@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes pulse {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.05); }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.animate-fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-gradient {
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}

/* === UTILITY CLASSES === */
.text-gradient {
  background: linear-gradient(135deg, var(--color-secondary-500) 0%, var(--color-accent-500) 50%, var(--color-secondary-600) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  background-size: 200% 200%;
  animation: gradientShift 4s ease infinite;
}

.backdrop-blur-glass {
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

body {
  font-family: var(--font-family-primary);
  background: var(--color-neutral-0);
}