:root{
  /* Typography */
  --font-sans: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-display: 'Raleway', var(--font-sans);

  /* Colors */
  --bg: #0d0f12;
  --fg: #ffffff;
  --muted: rgba(255,255,255,.72);

  --surface-1: rgba(255,255,255,.04);
  --surface-2: rgba(255,255,255,.07);
  --border: rgba(255,255,255,.10);
  --border-soft: rgba(255,255,255,.06);

  /* Accent (neutral premium) */
  --accent: #ffffff;
  --accent-ink: #0e0e0e;

  /* Focus */
  --focus: rgba(255,255,255,.95);

  /* Layout */
  --container: 1200px;

  /* Spacing scale */
  --sp-1: 0.5rem;
  --sp-2: 1rem;
  --sp-3: 1.5rem;
  --sp-4: 2rem;
  --sp-6: 3rem;
  --sp-8: 4rem;

  /* Radius */
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-pill: 999px;

  /* Shadows */
  --shadow-sm: 0 6px 18px rgba(0,0,0,.22);
  --shadow-md: 0 14px 40px rgba(0,0,0,.28);

  /* Motion */
  --ease-standard: cubic-bezier(.2,.8,.2,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
  --ease-in: cubic-bezier(.5,0,.75,0);

  --dur-1: 140ms;
  --dur-2: 220ms;
  --dur-3: 420ms;

  /* Header */
  --header-h: 72px;
  --header-h-compact: 48px;
  --header-pad-y: .6rem;
  --header-pad-y-compact: .12rem;
  --brand-w: clamp(120px, 8vw, 160px);
  --brand-w-compact: clamp(88px, 6vw, 124px);
}