:root {
  --font-family: "Noto Sans", sans-serif;
  --font-size-base: 15.3px;
  --line-height-base: 1.42;

  --max-w: 1040px;
  --space-x: 1.01rem;
  --space-y: 1.44rem;
  --gap: 0.79rem;

  --radius-xl: 0.96rem;
  --radius-lg: 0.78rem;
  --radius-md: 0.4rem;
  --radius-sm: 0.25rem;

  --shadow-sm: 0 1px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 6px 10px rgba(0,0,0,0.13);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.15);

  --overlay: rgba(0, 0, 0, 0.75);
  --anim-duration: 180ms;
  --anim-ease: cubic-bezier(0.16,1,0.3,1);
  --random-number: 1;

  --brand: #0ea5e9;
  --brand-contrast: #ffffff;
  --accent: #00f7ff;
  --accent-contrast: #000814;

  --neutral-0: #ffffff;
  --neutral-100: #f1f5f9;
  --neutral-300: #cbd5e1;
  --neutral-600: #475569;
  --neutral-800: #1e293b;
  --neutral-900: #0f172a;

  --bg-page: #0a0a0f;
  --fg-on-page: #e2e8f0;

  --bg-alt: #111827;
  --fg-on-alt: #cbd5e1;

  --surface-1: #1a1a2e;
  --surface-2: #16213e;
  --fg-on-surface: #e2e8f0;
  --border-on-surface: #2d3748;

  --surface-light: #2d3748;
  --fg-on-surface-light: #f8fafc;
  --border-on-surface-light: #4a5568;

  --bg-primary: #2563eb;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #1d4ed8;
  --ring: #3b82f6;

  --bg-accent: rgba(0, 247, 255, 0.15);
  --fg-on-accent: #000814;
  --bg-accent-hover: #00d9e0;

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

  --gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #1a1a2e 50%, #16213e 100%);
  --gradient-accent: linear-gradient(90deg, #00f7ff 0%, #3b82f6 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;}