:root {
  --font-family: "Open Sans", sans-serif;
  --font-size-base: 15.6px;
  --line-height-base: 1.45;

  --max-w: 1120px;
  --space-x: 0.81rem;
  --space-y: 1.24rem;
  --gap: 0.84rem;

  --radius-xl: 1.12rem;
  --radius-lg: 0.76rem;
  --radius-md: 0.48rem;
  --radius-sm: 0.25rem;

  --shadow-sm: 0 2px 6px rgba(0,0,0,0.07);
  --shadow-md: 0 8px 12px rgba(0,0,0,0.09);
  --shadow-lg: 0 20px 32px rgba(0,0,0,0.11);

  --overlay: rgba(0, 0, 0, 0.65);
  --anim-duration: 200ms;
  --anim-ease: cubic-bezier(0.16,1,0.3,1);
  --random-number: 2;

  --brand: #0a84ff;
  --brand-contrast: #ffffff;
  --accent: #0a84ff;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f1f3f5;
  --neutral-300: #ced4da;
  --neutral-600: #868e96;
  --neutral-800: #343a40;
  --neutral-900: #121212;

  --bg-page: #121212;
  --fg-on-page: #f1f3f5;

  --bg-alt: #1a1a1a;
  --fg-on-alt: #e9ecef;

  --surface-1: #1e1e1e;
  --surface-2: #252525;
  --fg-on-surface: #e9ecef;
  --border-on-surface: #343a40;

  --surface-light: #2d2d2d;
  --fg-on-surface-light: #f8f9fa;
  --border-on-surface-light: #495057;

  --bg-primary: #0a84ff;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #3395ff;
  --ring: rgba(10, 132, 255, 0.5);

  --bg-accent: rgba(10, 132, 255, 0.12);
  --fg-on-accent: #0a84ff;
  --bg-accent-hover: rgba(10, 132, 255, 0.2);

  --link: #4dabf7;
  --link-hover: #74c0fc;

  --gradient-hero: linear-gradient(135deg, #0a84ff 0%, #1c7ed6 100%);
  --gradient-accent: linear-gradient(90deg, rgba(10, 132, 255, 0.1) 0%, rgba(10, 132, 255, 0.05) 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;}