:root {
  /* Colors — Fresh Teal palette */
  --color-teal: #0F766E;
  --color-teal-dark: #0D5F58;
  --color-teal-light: #14B8A6;
  --color-mist: #F0FDFA;
  --color-mist-dark: #CCFBF1;
  --color-coral: #FF6B4A;
  --color-coral-dark: #E85A3A;
  --color-coral-light: #FF8A70;
  --color-ink: #1D2B2A;
  --color-muted: #5C6B6A;
  --color-white: #FFFFFF;
  --color-border: #E2E8E7;
  --color-skeleton: #E8EDEC;
  --color-skeleton-shine: #F5F8F7;

  /* Typography */
  /* Noto Sans Bengali is listed as an explicit fallback (not scoped via :lang(bn))
     so the browser substitutes it per-glyph automatically — Latin text keeps using
     DM Sans/Fraunces, and Bengali characters render consistently instead of falling
     through to whatever serif/system font the OS happens to pick. */
  --font-ui: 'DM Sans', 'Noto Sans Bengali', system-ui, sans-serif;
  --font-display: 'Fraunces', 'Noto Sans Bengali', Georgia, serif;

  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;
  --text-4xl: 2.5rem;

  /* Spacing (4px grid) */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Layout */
  --max-width: 1200px;
  --header-height: 64px;
  --header-height-scrolled: 56px;
  --topbar-height: 36px;
  --touch-min: 44px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;

  /* Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --duration-fast: 150ms;
  --duration-base: 250ms;
  --duration-slow: 400ms;
  --duration-fade: 300ms;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(29, 43, 42, 0.08);
  --shadow-md: 0 4px 12px rgba(29, 43, 42, 0.1);
  --shadow-lg: 0 8px 24px rgba(29, 43, 42, 0.12);
}