:root {
  --font-family: "Roboto", sans-serif;
  --font-size-base: 15.3px;
  --line-height-base: 1.51;

  --max-w: 1120px;
  --space-x: 0.83rem;
  --space-y: 1.19rem;
  --gap: 1.17rem;

  --radius-xl: 0.89rem;
  --radius-lg: 0.74rem;
  --radius-md: 0.49rem;
  --radius-sm: 0.23rem;

  --shadow-sm: 0 2px 5px rgba(0,0,0,0.11);
  --shadow-md: 0 7px 14px rgba(0,0,0,0.14);
  --shadow-lg: 0 10px 34px rgba(0,0,0,0.17);

  --overlay: rgba(0,0,0,0.5);
  --anim-duration: 290ms;
  --anim-ease: cubic-bezier(0.4,0,0.2,1);
  --random-number: 2;

  --brand: #2c3e50;
  --brand-contrast: #ffffff;
  --accent: #e67e22;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f5f5f5;
  --neutral-300: #d1d5db;
  --neutral-600: #6b7280;
  --neutral-800: #374151;
  --neutral-900: #111827;

  --bg-page: #ffffff;
  --fg-on-page: #111827;

  --bg-alt: #f3f4f6;
  --fg-on-alt: #1f2937;

  --surface-1: #ffffff;
  --surface-2: #f9fafb;
  --fg-on-surface: #111827;
  --border-on-surface: #e5e7eb;

  --surface-light: #fafafa;
  --fg-on-surface-light: #374151;
  --border-on-surface-light: #e5e7eb;

  --bg-primary: #2980b9;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #1f6fa5;
  --ring: #2980b9;

  --bg-accent: #e67e22;
  --fg-on-accent: #ffffff;
  --bg-accent-hover: #d35400;

  --link: #2980b9;
  --link-hover: #1f6fa5;

  --gradient-hero: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
  --gradient-accent: linear-gradient(135deg, #e67e22 0%, #f39c12 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;}