:root {
  --font-family: "Inter", sans-serif;
  --font-size-base: 17px;
  --line-height-base: 1.32;

  --max-w: 1020px;
  --space-x: 1.41rem;
  --space-y: 1.5rem;
  --gap: 1.38rem;

  --radius-xl: 1.39rem;
  --radius-lg: 0.9rem;
  --radius-md: 0.64rem;
  --radius-sm: 0.31rem;

  --shadow-sm: 0 3px 8px rgba(0,0,0,0.21);
  --shadow-md: 0 14px 30px rgba(0,0,0,0.27);
  --shadow-lg: 0 30px 34px rgba(0,0,0,0.33);

  --overlay: rgba(0, 0, 0, 0.65);
  --anim-duration: 170ms;
  --anim-ease: ease;
  --random-number: 1;

  --brand: #0055cc;
  --brand-contrast: #ffffff;
  --accent: #00aaff;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f5f7fa;
  --neutral-300: #d1d9e6;
  --neutral-600: #6b7b95;
  --neutral-800: #2c3e50;
  --neutral-900: #1a2530;

  --bg-page: #ffffff;
  --fg-on-page: #1a2530;

  --bg-alt: #f5f7fa;
  --fg-on-alt: #2c3e50;

  --surface-1: #ffffff;
  --surface-2: #f5f7fa;
  --fg-on-surface: #2c3e50;
  --border-on-surface: #d1d9e6;

  --surface-light: rgba(255, 255, 255, 0.85);
  --fg-on-surface-light: #2c3e50;
  --border-on-surface-light: rgba(209, 217, 230, 0.7);

  --bg-primary: #0055cc;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #0044aa;
  --ring: rgba(0, 85, 204, 0.4);

  --bg-accent: rgba(0, 170, 255, 0.1);
  --fg-on-accent: #003366;
  --bg-accent-hover: #0088cc;

  --link: #0055cc;
  --link-hover: #0044aa;

  --gradient-hero: linear-gradient(135deg, #f5f7fa 0%, #e4eaf2 100%);
  --gradient-accent: linear-gradient(90deg, #00aaff 0%, #0055cc 100%);

  --btn-ghost-bg: transparent;
  --btn-ghost-bg-hover: rgba(255,255,255,0.06);
  --chip-bg: rgba(255,255,255,0.68);
  --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;}