:root {
  /* Colors */
  --color-bg: #ffffff;
  --color-bg-alt: #f8f5f0; /* soft beige */
  --color-surface: #ffffff;
  --color-text: #1f2937; /* slate-800 */
  --color-text-muted: #4b5563; /* slate-600 */
  --color-primary: #4a7c59; /* calm green */
  --color-primary-contrast: #ffffff;
  --color-accent: #6aa6c9; /* soft blue */
  --color-link: #4a7c59;
  --color-link-hover: #365c43;
  --color-border: #e5e7eb; /* gray-200 */

  /* Typography */
  --font-sans: "Noto Sans", system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
  --fs-300: 0.875rem;
  --fs-400: 1rem;
  --fs-500: 1.125rem;
  --fs-600: 1.25rem;
  --fs-700: 1.5rem;
  --fs-800: 1.875rem;
  --fs-900: 2.25rem;
  --fs-1000: 3rem;

  /* Layout */
  --container: 1120px;
  --radius: 14px;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 18px rgba(16, 24, 40, 0.08);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
}

@media (min-width: 768px) {
  :root {
    --fs-900: 2.75rem;
    --fs-1000: 3.5rem;
  }
}