:root {
  /* Ultra-sleek technical dark palette (Linear / Vercel / Modal style) */
  --bg-base: #060709;
  --bg-primary: #0a0c10;
  --bg-secondary: #10131a;
  --bg-tertiary: #161a24;
  --bg-elevated: #1a1f2c;
  --bg-card: rgba(14, 17, 24, 0.72);
  --bg-card-hover: rgba(20, 24, 34, 0.88);

  /* Confident Technical Electric Accent */
  --accent: #d4ff00;
  --accent-rgb: 212, 255, 0;
  --accent-hover: #e3ff40;
  --accent-dim: rgba(212, 255, 0, 0.08);
  --accent-glow: rgba(212, 255, 0, 0.22);
  --accent-contrast: #060709;

  /* Secondary Technical Cyan/Slate Accents */
  --cyan-accent: #00f0ff;
  --cyan-dim: rgba(0, 240, 255, 0.08);

  /* Typography Colors */
  --text-primary: #f4f6f8;
  --text-secondary: #8c93a4;
  --text-tertiary: #525969;
  --text-code: #d4ff00;

  /* Crisp Technical Borders */
  --border-subtle: rgba(255, 255, 255, 0.07);
  --border-medium: rgba(255, 255, 255, 0.12);
  --border-strong: rgba(255, 255, 255, 0.20);
  --border-accent: rgba(212, 255, 0, 0.35);

  /* Premium Typography: Geist & Geist Mono */
  --font-display: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Geist', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Spacing Grid (8pt system) */
  --space-2xs: 0.25rem;
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3.5rem;
  --space-3xl: 5.5rem;
  --space-4xl: 8rem;

  /* Max Widths */
  --max-width-content: 1220px;
  --max-width-narrow: 860px;
  --max-width-text: 680px;

  /* Sharp Modern Technical Corner Radii */
  --radius-xs: 3px;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Timing Functions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 160ms var(--ease-out);
  --transition-smooth: 280ms var(--ease-out);
  --transition-slow: 600ms var(--ease-out);
}