:root {
  --font-family: "Fira Sans", 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 2px 4px rgba(0,0,0,0.1);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.2);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.3);

  --overlay: rgba(0, 0, 0, 0.75);
  --anim-duration: 0.3s;
  --anim-ease: ease-in-out;
  --random-number: 2;

  --brand: #2a2a2a;
  --brand-contrast: #f0f0f0;
  --accent: #c62828;
  --accent-contrast: #ffffff;

  --neutral-0: #ffffff;
  --neutral-100: #f5f5f5;
  --neutral-300: #e0e0e0;
  --neutral-600: #757575;
  --neutral-800: #424242;
  --neutral-900: #212121;

  --bg-page: #121212;
  --fg-on-page: #e0e0e0;

  --bg-alt: #1e1e1e;
  --fg-on-alt: #cccccc;

  --surface-1: #2a2a2a;
  --surface-2: #333333;
  --fg-on-surface: #e0e0e0;
  --border-on-surface: #424242;

  --surface-light: #424242;
  --fg-on-surface-light: #f5f5f5;
  --border-on-surface-light: #616161;

  --bg-primary: #c62828;
  --fg-on-primary: #ffffff;
  --bg-primary-hover: #b71c1c;
  --ring: #c62828;

  --bg-accent: rgba(198, 40, 40, 0.1);
  --fg-on-accent: #c62828;
  --bg-accent-hover: #b71c1c;

  --link: #bb86fc;
  --link-hover: #9c64d4;

  --gradient-hero: linear-gradient(135deg, #1a1a1a 0%, #2a2a2a 50%, #424242 100%);
  --gradient-accent: linear-gradient(90deg, #c62828 0%, #d32f2f 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;}