:root {
  --font-sans: "Graphik", system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;

  /* Fluid type scale */
  --text-xs: clamp(0.78rem, 0.76rem + 0.15vw, 0.85rem);
  --text-sm: clamp(0.90rem, 0.86rem + 0.20vw, 1.00rem);
  --text-md: clamp(1.00rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1.08rem + 0.35vw, 1.35rem);
  --text-xl: clamp(1.35rem, 1.25rem + 0.60vw, 1.75rem);
  --text-2xl: clamp(1.75rem, 1.55rem + 1.00vw, 2.35rem);
  --text-3xl: clamp(2.25rem, 1.90rem + 1.80vw, 3.25rem);
  --text-hero: clamp(2.6rem, 2.0rem + 3.0vw, 4.4rem);

  --lh-tight: 1.08;
  --lh-snug: 1.25;
  --lh-normal: 1.55;

  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;

  --tracking-tight: -0.02em;
  --tracking-normal: -0.01em;

  /* Backgrounds */
  --color-bg: #FFFFFF;
  --color-bg-soft: #F3FFF8;
  --color-surface: #FFFFFF;
  --color-surface-2: #ECFFF4;

  /* Text */
  --color-text: #072014;
  --color-text-muted: #1E4A33;
  --color-text-subtle: #3D6B55;
  --color-white-ghost: rgba(255,255,255,0.14);
  --color-white-soft: rgba(255,255,255,0.60);
  --color-surface-blur: rgba(255,255,255,0.86);
  --color-white-bright: rgba(255,255,255,0.92);
  --color-white-softest: rgba(255,255,255,0.88);
  --color-white-muted: rgba(255,255,255,0.78);
  --color-white-faint: rgba(255,255,255,0.18);

  /* Primary */
  --color-primary: #13BB74;
  --color-primary-strong: #0EA965;
  --color-primary-soft: #D9FBEA;
  --color-primary-ghost: rgba(19,187,116,0.14);
  --color-primary-luminous: rgba(19,187,116,0.95);

  /* Borders */
  --color-border: rgba(7,32,20,0.12);
  --color-border-strong: rgba(7,32,20,0.20);

  /* Shadows */
  --shadow-sm: 0 2px 10px rgba(7, 32, 20, 0.06);
  --shadow-md: 0 10px 30px rgba(7, 32, 20, 0.10);
  --shadow-lg: 0 18px 60px rgba(7, 32, 20, 0.14);

  /* Overlays */
  --overlay-soft: rgba(7, 32, 20, 0.35);
  --overlay-mid: rgba(7, 32, 20, 0.40);
  --overlay-strong: rgba(7, 32, 20, 0.55);

  /* Breakpoints */
  --bp-sm: 480px;
  --bp-md: 768px;
  --bp-lg: 1024px;
  --bp-xl: 1280px;
  --bp-2xl: 1536px;

  /* Spacing scale */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 40px;
  --space-9: 48px;
  --space-10: 64px;
  --space-11: 80px;
  --space-12: 96px;
  --space-13: 120px;

  /* Radius + borders */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 22px;
  --radius-xl: 28px;
  --border-1: 1px solid var(--color-border);

  /* Motion */
  --ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --dur-1: 150ms;
  --dur-2: 250ms;
  --dur-3: 450ms;

  /* Z-index */
  --z-header: 50;
  --z-modal: 80;
  --z-toast: 90;
}