:root {
  --font-family: "PT Serif", sans-serif;
  --font-size-base: 16.2px;
  --line-height-base: 1.58;

  --max-w: 1540px;
  --space-x: 1.59rem;
  --space-y: 1.5rem;
  --gap: 1.48rem;

  --radius-xl: 1.26rem;
  --radius-lg: 0.99rem;
  --radius-md: 0.52rem;
  --radius-sm: 0.33rem;

  --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 10px 22px rgba(0,0,0,0.13);
  --shadow-lg: 0 16px 42px rgba(0,0,0,0.15);

  --overlay: rgba(0,0,0,0.5);
  --anim-duration: 340ms;
  --anim-ease: cubic-bezier(0.16,1,0.3,1);
  --random-number: 2;

  --brand: #2C3E50;
  --brand-contrast: #FFFFFF;
  --accent: #3B82F6;
  --accent-contrast: #FFFFFF;

  --neutral-0: #FFFFFF;
  --neutral-100: #F1F5F9;
  --neutral-300: #CBD5E1;
  --neutral-600: #64748B;
  --neutral-800: #1E293B;
  --neutral-900: #0F172A;

  --bg-page: #F8FAFC;
  --fg-on-page: #1E293B;

  --bg-alt: #E2E8F0;
  --fg-on-alt: #334155;

  --surface-1: #FFFFFF;
  --surface-2: #F1F5F9;
  --fg-on-surface: #1E293B;
  --border-on-surface: #CBD5E1;

  --surface-light: #FFFFFF;
  --fg-on-surface-light: #475569;
  --border-on-surface-light: #E2E8F0;

  --bg-primary: #3B82F6;
  --fg-on-primary: #FFFFFF;
  --bg-primary-hover: #2563EB;
  --ring: #3B82F6;

  --bg-accent: #3B82F6;
  --fg-on-accent: #FFFFFF;
  --bg-accent-hover: #2563EB;

  --link: #3B82F6;
  --link-hover: #2563EB;

  --gradient-hero: linear-gradient(135deg, #1E293B 0%, #2C3E50 100%);
  --gradient-accent: linear-gradient(135deg, #3B82F6 0%, #2563EB 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;}