:root {
  /* ========================================
     Brand Colors
     ======================================== */
  --color-primary: #F7D046;
  --color-primary-hover: #E5BF2E;
  --color-primary-muted: rgba(247, 208, 70, 0.15);

  --color-gradient-start: #7F37D8;
  --color-gradient-end: #F84474;
  --gradient-brand: linear-gradient(-135deg, var(--color-gradient-start), var(--color-gradient-end));

  --color-gradient-alt-start: #A82EBA;
  --color-gradient-alt-end: #FE86A6;
  --gradient-brand-alt: linear-gradient(-135deg, var(--color-gradient-alt-start), var(--color-gradient-alt-end));

  /* ========================================
     Neutrals
     ======================================== */
  --color-white: #FFFFFF;
  --color-gray-50: #FAFAFA;
  --color-gray-100: #F0F0F0;
  --color-gray-200: #E0E0E0;
  --color-gray-300: #C1C1C1;
  --color-gray-400: #8A8A8A;
  --color-gray-500: #606060;
  --color-gray-600: #424242;
  --color-gray-700: #343434;
  --color-gray-800: #1D2327;
  --color-gray-900: #161616;
  --color-gray-950: #090909;
  --color-black: #000000;

  /* ========================================
     Semantic Colors
     ======================================== */
  --color-text-primary: var(--color-white);
  --color-text-secondary: var(--color-gray-300);
  --color-text-muted: var(--color-gray-400);
  --color-text-inverse: var(--color-gray-950);

  --color-bg-page: var(--color-gray-950);
  --color-bg-surface: var(--color-gray-900);
  --color-bg-elevated: var(--color-gray-800);
  --color-bg-inverse: var(--color-white);

  --color-border: rgba(255, 255, 255, 0.1);
  --color-border-subtle: rgba(255, 255, 255, 0.05);
  --color-border-strong: rgba(255, 255, 255, 0.2);

  --color-overlay-light: rgba(0, 0, 0, 0.35);
  --color-overlay-heavy: rgba(0, 0, 0, 0.7);

  --color-success: #14CB59;
  --color-warning: #FFC200;
  --color-error: #E43737;

  /* ========================================
     Typography
     ======================================== */
  --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, Consolas, 'Liberation Mono', Menlo, monospace;

  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  --text-xs: 0.64rem;
  --text-sm: 0.8rem;
  --text-base: 1rem;
  --text-md: 1.25rem;
  --text-lg: 1.563rem;
  --text-xl: 1.953rem;

  --heading-sm: 1.563rem;
  --heading-md: 1.953rem;
  --heading-lg: 2.441rem;
  --heading-xl: 3.052rem;
  --heading-2xl: 3.815rem;
  --heading-hero: 4.768rem;

  --leading-tight: 1.15;
  --leading-snug: 1.3;
  --leading-normal: 1.5;
  --leading-relaxed: 1.65;

  --tracking-tight: -0.02em;
  --tracking-normal: 0;
  --tracking-wide: 0.07em;

  /* ========================================
     Spacing — Base-4 scale
     ======================================== */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* ========================================
     Border Radius
     ======================================== */
  --radius-sm: 3px;
  --radius-md: 6px;
  --radius-lg: 12px;
  --radius-xl: 20px;
  --radius-full: 9999px;

  /* ========================================
     Shadows
     ======================================== */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 30px rgba(247, 208, 70, 0.15);

  /* ========================================
     Transitions
     ======================================== */
  --ease-standard: cubic-bezier(0.25, 0.8, 0.25, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 500ms;
  --transition-fast: all var(--duration-fast) linear;
  --transition-base: all var(--duration-base) var(--ease-standard);
  --transition-slow: all var(--duration-slow) var(--ease-standard);

  /* ========================================
     Layout
     ======================================== */
  --container-max: 90rem;
  --container-narrow: 48rem;
  --container-pad: var(--space-5);
}

@media (min-width: 640px) {
  :root {
    --container-pad: var(--space-8);
  }
}

@media (min-width: 1024px) {
  :root {
    --container-pad: var(--space-12);
  }
}