:root {
  --font-family: "Rubik", sans-serif;
  --font-size-base: 15.1px;
  --line-height-base: 1.8;

  --max-w: 960px;
  --space-x: 1.84rem;
  --space-y: 1.5rem;
  --gap: 0.75rem;

  --radius-xl: 1.26rem;
  --radius-lg: 1rem;
  --radius-md: 0.62rem;
  --radius-sm: 0.32rem;

  --shadow-sm: 0 0px 3px rgba(0,0,0,0.04);
  --shadow-md: 0 2px 18px rgba(0,0,0,0.05);
  --shadow-lg: 0 16px 32px rgba(0,0,0,0.07);

  --overlay: rgba(0, 0, 0, 0.7);
  --anim-duration: 550ms;
  --anim-ease: cubic-bezier(0.4,0,0.2,1);
  --random-number: 2;

  --brand: #0066ff;
  --brand-contrast: #ffffff;
  --accent: #00e0ff;
  --accent-contrast: #001a33;

  --neutral-0: #ffffff;
  --neutral-100: #f0f2f5;
  --neutral-300: #a0aec0;
  --neutral-600: #4a5568;
  --neutral-800: #1a202c;
  --neutral-900: #0d1117;

  --bg-page: #0d1117;
  --fg-on-page: #e2e8f0;

  --bg-alt: #1a202c;
  --fg-on-alt: #cbd5e0;

  --surface-1: #1a202c;
  --surface-2: #2d3748;
  --fg-on-surface: #e2e8f0;
  --border-on-surface: #2d3748;

  --surface-light: #2d3748;
  --fg-on-surface-light: #f7fafc;
  --border-on-surface-light: #4a5568;

  --bg-primary: #0066ff;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #0052cc;
  --ring: #0066ff;

  --bg-accent: rgba(0, 224, 255, 0.1);
  --fg-on-accent: #00e0ff;
  --bg-accent-hover: #33e6ff;

  --link: #00e0ff;
  --link-hover: #33e6ff;

  --gradient-hero: linear-gradient(135deg, #0d1117 0%, #1a202c 50%, #0066ff 100%);
  --gradient-accent: linear-gradient(90deg, #0066ff 0%, #00e0ff 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;}