:root {
  --font-family: "Open Sans", sans-serif;
  --font-size-base: 15px;
  --line-height-base: 1.62;

  --max-w: 880px;
  --space-x: 1.31rem;
  --space-y: 1.5rem;
  --gap: 0.72rem;

  --radius-xl: 0.86rem;
  --radius-lg: 0.46rem;
  --radius-md: 0.34rem;
  --radius-sm: 0.27rem;

  --shadow-sm: 0 0px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 2px 16px rgba(0,0,0,0.06);
  --shadow-lg: 0 6px 18px rgba(0,0,0,0.08);

  --overlay: rgba(10, 15, 25, 0.75);
  --anim-duration: 370ms;
  --anim-ease: ease;
  --random-number: 1;

  --brand: #2a5c8a;
  --brand-contrast: #ffffff;
  --accent: #4dabf7;
  --accent-contrast: #0a0f19;

  --neutral-0: #ffffff;
  --neutral-100: #f1f3f5;
  --neutral-300: #ced4da;
  --neutral-600: #868e96;
  --neutral-800: #343a40;
  --neutral-900: #0a0f19;

  --bg-page: #0a0f19;
  --fg-on-page: #e9ecef;

  --bg-alt: #141a25;
  --fg-on-alt: #dee2e6;

  --surface-1: #141a25;
  --surface-2: #1c2330;
  --fg-on-surface: #e9ecef;
  --border-on-surface: #2d3748;

  --surface-light: #1c2330;
  --fg-on-surface-light: #f1f3f5;
  --border-on-surface-light: #3a4558;

  --bg-primary: #2a5c8a;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #1e4a73;
  --ring: #4dabf7;

  --bg-accent: rgba(77, 171, 247, 0.12);
  --fg-on-accent: #4dabf7;
  --bg-accent-hover: #339af0;

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

  --gradient-hero: linear-gradient(135deg, #0a0f19 0%, #1c2330 50%, #2a5c8a 100%);
  --gradient-accent: linear-gradient(90deg, #2a5c8a 0%, #4dabf7 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;}