/* ==========================================================================
   Kint Design Tokens
   ========================================================================== */

:root {
  color-scheme: light only;

  /* ── Colors ── */
  --primary: #F5FBF8;
  --surface: #FFFFFF;
  --surface-elevated: #FFFFFF;
  --accent: #5BDFB0;
  --accent-dim: #3DA882;
  --accent-glow: rgba(91, 223, 176, 0.25);

  --text-primary: #0D1F18;
  --text-secondary: rgba(13, 31, 24, 0.55);
  --text-tertiary: rgba(13, 31, 24, 0.35);

  --success: #10B981;
  --warning: #F59E0B;
  --error: #EF4444;

  /* ── Glass ── */
  --glass-bg: rgba(255, 255, 255, 0.65);
  --glass-bg-light: rgba(255, 255, 255, 0.40);
  --glass-border: rgba(91, 223, 176, 0.20);
  --glass-border-hover: rgba(91, 223, 176, 0.40);
  --glass-highlight: rgba(255, 255, 255, 0.80);
  --glass-blur: 16px;
  --glass-blur-heavy: 32px;

  /* ── Typography ── */
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body: 'Instrument Sans', system-ui, sans-serif;
  --font-mono: 'Geist Mono', 'JetBrains Mono', monospace;

  /* Fluid scale: min @ 375px → max @ 1440px */
  --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.9rem);
  --text-base: clamp(0.95rem, 0.9rem + 0.25vw, 1.05rem);
  --text-lg: clamp(1.1rem, 1rem + 0.5vw, 1.3rem);
  --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.6rem);
  --text-2xl: clamp(1.5rem, 1.2rem + 1.5vw, 2.2rem);
  --text-3xl: clamp(2rem, 1.5rem + 2.5vw, 3.2rem);
  --text-4xl: clamp(2.5rem, 1.8rem + 3.5vw, 4.5rem);
  --text-5xl: clamp(3rem, 2rem + 5vw, 6rem);

  /* ── Spacing ── */
  --space-xs: clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
  --space-sm: clamp(0.5rem, 0.4rem + 0.5vw, 0.75rem);
  --space-md: clamp(1rem, 0.8rem + 1vw, 1.5rem);
  --space-lg: clamp(1.5rem, 1.2rem + 1.5vw, 2.5rem);
  --space-xl: clamp(2rem, 1.5rem + 2.5vw, 4rem);
  --space-2xl: clamp(3rem, 2rem + 5vw, 7rem);
  --space-3xl: clamp(4rem, 3rem + 5vw, 10rem);

  --section-padding: clamp(4rem, 3rem + 5vw, 8rem);

  /* ── Layout ── */
  --max-width: 1200px;
  --max-width-wide: 1400px;
  --nav-height: 72px;
  --nav-height-scrolled: 56px;

  /* ── Borders ── */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;

  /* ── Shadows ── */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.10);
  --shadow-glow: 0 0 40px rgba(91, 223, 176, 0.15);

  /* ── Transitions ── */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 500ms;
  --duration-glacial: 800ms;
}