:root {
  /* Warm neutral palette — paper instead of clinical white */
  --color-black: #131614;
  --color-ink: #1e2320;
  --color-gray-900: #2d332f;
  --color-gray-700: #4d554f;
  --color-gray-500: #71796f;
  --color-gray-300: #a8aea3;
  --color-gray-200: #d9d8cd;
  --color-gray-100: #ebe9df;
  --color-gray-50: #f3f1e9;
  --color-white: #ffffff;
  --color-paper: #faf8f2;
  --color-paper-deep: #f1eee4;

  /* Primary accent: deep pine green — confident, not "tech startup blue" */
  --color-accent: #1e4d3c;
  --color-accent-dark: #143528;
  --color-accent-soft: #e4ecdf;

  /* Secondary accent: warm amber for numbers, highlights, small signals */
  --color-amber: #b7791f;
  --color-amber-soft: #f6ead2;

  /* Semantic */
  --color-bg: var(--color-paper);
  --color-bg-muted: var(--color-paper-deep);
  --color-text: var(--color-ink);
  --color-text-muted: var(--color-gray-700);
  --color-border: var(--color-gray-200);

  /* Typography: characterful serif for display, Inter for body */
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Fraunces", "Georgia", "Times New Roman", serif;
  --fs-xs: 0.8125rem;
  --fs-sm: 0.9375rem;
  --fs-base: 1.0625rem;
  --fs-md: 1.25rem;
  --fs-lg: 1.75rem;
  --fs-xl: 2.5rem;
  --fs-2xl: 3.25rem;
  --lh-tight: 1.12;
  --lh-normal: 1.5;
  --lh-relaxed: 1.7;

  /* Spacing scale */
  --space-3xs: 0.25rem;
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Shape */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  /* Elevation — warm-tinted, softer than pure black shadows */
  --shadow-sm: 0 1px 2px rgba(30, 35, 32, 0.06), 0 1px 1px rgba(30, 35, 32, 0.04);
  --shadow-md: 0 8px 24px rgba(30, 35, 32, 0.09), 0 2px 6px rgba(30, 35, 32, 0.05);
  --shadow-lg: 0 20px 48px rgba(20, 53, 40, 0.16), 0 6px 16px rgba(30, 35, 32, 0.06);

  /* Motion */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --duration-fast: 150ms;
  --duration-base: 240ms;
  --duration-slow: 400ms;

  /* Layout */
  --container-max: 1240px;
  --container-pad: clamp(1.25rem, 4vw, 3rem);
}

@media (prefers-reduced-motion: reduce) {
  :root {
    --duration-fast: 0ms;
    --duration-base: 0ms;
    --duration-slow: 0ms;
  }
}