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

  --max-w: 1200px;
  --space-x: 2rem;
  --space-y: 1.25rem;
  --gap: 1rem;

  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 8px;
  --radius-sm: 4px;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 28px rgba(0,0,0,0.1);

  --overlay: rgba(255, 255, 255, 0.85);
  --anim-duration: 0.3s;
  --anim-ease: ease-in-out;
  --random-number: 2;

  --brand: #2c3e50;
  --brand-contrast: #ffffff;
  --accent: #3498db;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f8f9fa;
  --neutral-300: #dee2e6;
  --neutral-600: #6c757d;
  --neutral-800: #343a40;
  --neutral-900: #212529;

  --bg-page: #ffffff;
  --fg-on-page: #212529;

  --bg-alt: #f8f9fa;
  --fg-on-alt: #343a40;

  --surface-1: #ffffff;
  --surface-2: #f8f9fa;
  --fg-on-surface: #212529;
  --border-on-surface: #dee2e6;

  --surface-light: #ffffff;
  --fg-on-surface-light: #343a40;
  --border-on-surface-light: #dee2e6;

  --bg-primary: #2c3e50;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #1a252f;
  --ring: #3498db;

  --bg-accent: #ebf5fb;
  --fg-on-accent: #2c3e50;
  --bg-accent-hover: #2980b9;

  --link: #2c3e50;
  --link-hover: #3498db;

  --gradient-hero: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  --gradient-accent: linear-gradient(135deg, #3498db 0%, #2980b9 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;}