:root {
  --font-family: "Roboto", sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

  --max-w: 1200px;
  --space-x: 24px;
  --space-y: 20px;
  --gap: 16px;

  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;

  --shadow-sm: 0 2px 8px rgba(0, 60, 120, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 60, 120, 0.12);
  --shadow-lg: 0 8px 32px rgba(0, 60, 120, 0.16);

  --overlay: rgba(0, 30, 60, 0.6);
  --anim-duration: 0.3s;
  --anim-ease: ease-out;
  --random-number: 2;

  --brand: #0066cc;
  --brand-contrast: #ffffff;
  --accent: #00a8a8;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f5f9ff;
  --neutral-300: #c2d9f0;
  --neutral-600: #4d7aa3;
  --neutral-800: #1a3a5c;
  --neutral-900: #0a1f33;

  --bg-page: #f0f8ff;
  --fg-on-page: #0a1f33;

  --bg-alt: #e6f2ff;
  --fg-on-alt: #1a3a5c;

  --surface-1: #ffffff;
  --surface-2: #f5f9ff;
  --fg-on-surface: #0a1f33;
  --border-on-surface: #c2d9f0;

  --surface-light: rgba(255, 255, 255, 0.85);
  --fg-on-surface-light: #1a3a5c;
  --border-on-surface-light: rgba(194, 217, 240, 0.6);

  --bg-primary: #0066cc;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #0055aa;
  --ring: #0066cc;

  --bg-accent: #e6f7f7;
  --fg-on-accent: #005555;
  --bg-accent-hover: #009595;

  --link: #0066cc;
  --link-hover: #004488;

  --gradient-hero: linear-gradient(135deg, #0066cc 0%, #00a8a8 100%);
  --gradient-accent: linear-gradient(90deg, #c2d9f0 0%, #e6f7f7 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;}