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

  --max-w: 1280px;
  --space-x: 24px;
  --space-y: 20px;
  --gap: 16px;

  --radius-xl: 16px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.2);

  --overlay: rgba(0, 0, 0, 0.6);
  --anim-duration: 0.25s;
  --anim-ease: cubic-bezier(0.4, 0, 0.2, 1);
  --random-number: 2;

  --brand: #1a56db;
  --brand-contrast: #ffffff;
  --accent: #10b981;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f3f4f6;
  --neutral-300: #d1d5db;
  --neutral-600: #4b5563;
  --neutral-800: #1f2937;
  --neutral-900: #111827;

  --bg-page: #0f172a;
  --fg-on-page: #f9fafb;

  --bg-alt: #1e293b;
  --fg-on-alt: #e5e7eb;

  --surface-1: #1e293b;
  --surface-2: #334155;
  --fg-on-surface: #e5e7eb;
  --border-on-surface: #475569;

  --surface-light: #ffffff;
  --fg-on-surface-light: #111827;
  --border-on-surface-light: #e5e7eb;

  --bg-primary: #1a56db;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #1e40af;
  --ring: #3b82f6;

  --bg-accent: rgba(16, 185, 129, 0.1);
  --fg-on-accent: #10b981;
  --bg-accent-hover: #0da271;

  --link: #60a5fa;
  --link-hover: #93c5fd;

  --gradient-hero: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --gradient-accent: linear-gradient(90deg, #1a56db 0%, #10b981 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;}