: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: 1.25rem;
  --gap: 1rem;

  --radius-xl: 1.5rem;
  --radius-lg: 1rem;
  --radius-md: 0.75rem;
  --radius-sm: 0.375rem;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.16);

  --overlay: rgba(0, 0, 0, 0.7);
  --anim-duration: 0.3s;
  --anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --random-number: 2;

  --brand: #1a237e;
  --brand-contrast: #ffffff;
  --accent: #ffab00;
  --accent-contrast: #000000;

  --neutral-0: #ffffff;
  --neutral-100: #f5f5f5;
  --neutral-300: #e0e0e0;
  --neutral-600: #757575;
  --neutral-800: #424242;
  --neutral-900: #212121;

  --bg-page: #0a0e2a;
  --fg-on-page: #e8eaf6;

  --bg-alt: #1a237e;
  --fg-on-alt: #ffffff;

  --surface-1: #1e2747;
  --surface-2: #283055;
  --fg-on-surface: #e8eaf6;
  --border-on-surface: #3949ab;

  --surface-light: #ffffff;
  --fg-on-surface-light: #1a237e;
  --border-on-surface-light: #c5cae9;

  --bg-primary: #3949ab;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #303f9f;
  --ring: #7986cb;

  --bg-accent: #fff8e1;
  --fg-on-accent: #5d4037;
  --bg-accent-hover: #ffd54f;

  --link: #7986cb;
  --link-hover: #ffab00;

  --gradient-hero: linear-gradient(135deg, #0a0e2a 0%, #1a237e 50%, #3949ab 100%);
  --gradient-accent: linear-gradient(90deg, #ffab00, #ffd54f);

  --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;}