:root {
  --font-family: "Open Sans", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --max-w: 1200px;
  --space-x: 1.5rem;
  --space-y: 1rem;
  --gap: 1rem;

  --radius-xl: 1rem;
  --radius-lg: 0.75rem;
  --radius-md: 0.5rem;
  --radius-sm: 0.25rem;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
  --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);

  --overlay: rgba(0, 0, 0, 0.5);
  --anim-duration: 300ms;
  --anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --random-number: 1;

  --brand: #FFD700;
  --brand-contrast: #1a1a1a;
  --accent: #FF6B35;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f5f5f5;
  --neutral-300: #d4d4d4;
  --neutral-600: #6b7280;
  --neutral-800: #374151;
  --neutral-900: #1a1a1a;

  --bg-page: #f8f9fa;
  --fg-on-page: #1a1a1a;

  --bg-alt: #e5e7eb;
  --fg-on-alt: #374151;

  --surface-1: #ffffff;
  --surface-2: #f8f9fa;
  --fg-on-surface: #1a1a1a;
  --border-on-surface: #e5e7eb;

  --surface-light: rgba(255, 255, 255, 0.9);
  --fg-on-surface-light: #1a1a1a;
  --border-on-surface-light: rgba(229, 231, 235, 0.8);

  --bg-primary: #FFD700;
  --fg-on-primary: #1a1a1a;
  --bg-primary-hover: #E6C200;
  --ring: rgba(255, 215, 0, 0.5);

  --bg-accent: rgba(255, 107, 53, 0.1);
  --fg-on-accent: #FF6B35;
  --bg-accent-hover: #E55A2B;

  --link: #2563eb;
  --link-hover: #1d4ed8;

  --gradient-hero: linear-gradient(135deg, #4b5563 0%, #1a1a1a 100%);
  --gradient-accent: linear-gradient(90deg, #FFD700 0%, #FF6B35 100%);

  --btn-ghost-bg: transparent;
  --btn-ghost-bg-hover: rgba(255,255,255,0.06);
  --chip-bg: rgba(255,255,255,0.08);
  --input-placeholder: rgba(255,255,255,0.55);
}
body{margin:0;padding:0;font-family:var(--font-family);box-sizing: border-box;}
*{box-sizing:border-box;}