:root {
  /* Colour, Cypher Climate Brokers */
  --c-forest: #0F2A1E;
  --c-forest-80: #1A3D2D;
  --c-forest-60: #2A523F;

  --c-green: #2D8B5A;
  --c-green-hover: #246F48;
  --c-green-soft: #5BAE82;

  --c-sage: #E8EFE7;
  --c-sage-deep: #C9D9C7;

  --c-stone: #F5F1E8;
  --c-stone-deep: #ECE6D5;

  --c-clay: #B8623E;
  --c-clay-hover: #9C5132;

  --c-ink: #1C1F1C;
  --c-slate: #5C6661;
  --c-slate-soft: #8A938E;
  --c-line: #DDE2DA;

  --c-white: #FFFFFF;

  /* Surfaces */
  --bg-page: var(--c-stone);
  --bg-card: var(--c-white);
  --bg-dark: var(--c-forest);
  --bg-muted: var(--c-sage);

  /* Text */
  --text-primary: var(--c-ink);
  --text-secondary: var(--c-slate);
  --text-on-dark: var(--c-stone);
  --text-on-dark-muted: #B8C7BD;

  /* Type */
  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;

  --fs-display-xl: clamp(2.25rem, 5vw + 0.75rem, 5rem);
  --fs-display-lg: clamp(2rem, 4vw + 0.75rem, 3.75rem);
  --fs-display-md: clamp(1.625rem, 2.5vw + 0.75rem, 2.75rem);
  --fs-h2: clamp(1.5rem, 1.8vw + 0.75rem, 2.25rem);
  --fs-h3: clamp(1.25rem, 0.8vw + 1rem, 1.5rem);
  --fs-lead: clamp(1.0625rem, 0.4vw + 1rem, 1.25rem);
  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-eyebrow: 0.75rem;

  --lh-tight: 1.1;
  --lh-snug: 1.25;
  --lh-normal: 1.55;
  --lh-relaxed: 1.7;

  /* Spacing, 4px base */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;
  --space-10: 8rem;

  /* Layout */
  --container: 1200px;
  --container-narrow: 880px;
  --container-wide: 1360px;
  --gutter: clamp(1.25rem, 4vw, 2.5rem);

  /* Radius */
  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 16px;
  --r-pill: 999px;

  /* Shadow */
  --shadow-sm: 0 1px 2px rgba(15, 42, 30, 0.06), 0 1px 3px rgba(15, 42, 30, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 42, 30, 0.08), 0 2px 4px rgba(15, 42, 30, 0.04);
  --shadow-lg: 0 12px 32px rgba(15, 42, 30, 0.12), 0 4px 8px rgba(15, 42, 30, 0.06);

  /* Motion */
  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 150ms;
  --t-med: 250ms;
  --t-slow: 400ms;
}