:root {
  --font-family: "Rubik", sans-serif;
  --font-size-base: 15.5px;
  --line-height-base: 1.86;

  --max-w: 860px;
  --space-x: 1.42rem;
  --space-y: 1.5rem;
  --gap: 0.85rem;

  --radius-xl: 0.63rem;
  --radius-lg: 0.51rem;
  --radius-md: 0.43rem;
  --radius-sm: 0.19rem;

  --shadow-sm: 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 8px rgba(0,0,0,0.07);
  --shadow-lg: 0 10px 28px rgba(0,0,0,0.09);

  --overlay: rgba(10, 15, 30, 0.75);
  --anim-duration: 440ms;
  --anim-ease: cubic-bezier(0.22,1,0.36,1);
  --random-number: 2;

  --brand: #4f46e5;
  --brand-contrast: #ffffff;
  --accent: #06b6d4;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f8fafc;
  --neutral-300: #cbd5e1;
  --neutral-600: #475569;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  --bg-page: #0f172a;
  --fg-on-page: #f1f5f9;

  --bg-alt: #1e293b;
  --fg-on-alt: #e2e8f0;

  --surface-1: #1e293b;
  --surface-2: #334155;
  --fg-on-surface: #e2e8f0;
  --border-on-surface: #475569;

  --surface-light: #f8fafc;
  --fg-on-surface-light: #0f172a;
  --border-on-surface-light: #cbd5e1;

  --bg-primary: #4f46e5;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #4338ca;
  --ring: #6366f1;

  --bg-accent: rgba(6, 182, 212, 0.1);
  --fg-on-accent: #06b6d4;
  --bg-accent-hover: #0891b2;

  --link: #60a5fa;
  --link-hover: #93c5fd;

  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  --gradient-accent: linear-gradient(90deg, #4f46e5 0%, #06b6d4 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;}