/* ============================================
   Menlo — Design Tokens
   All visual decisions live here as custom properties.
   Pages and components reference tokens, never raw values.
   ============================================ */

:root {
  /* --- Colour --- */
  --color-primary: #1E1B4B;
  --color-primary-light: #312E81;
  --color-primary-dark: #0F0D2E;
  --color-accent: #8B5CF6;
  --color-accent-light: #A78BFA;
  --color-accent-dark: #7C3AED;

  --color-text: #14171F;
  --color-text-light: #6B7280;
  --color-text-inverse: #FFFFFF;
  --color-background: #FAFAFE;
  --color-background-alt: #F3F4F6;
  --color-background-dark: #1E1B4B;
  --color-border: #E5E7EB;
  --color-error: #EF4444;
  --color-success: #22C55E;

  /* --- Typography --- */
  --font-family: 'Outfit', sans-serif;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;

  --text-xs: 0.75rem;     /* 12px */
  --text-sm: 0.875rem;    /* 14px */
  --text-base: 1rem;      /* 16px */
  --text-lg: 1.125rem;    /* 18px */
  --text-xl: 1.25rem;     /* 20px */
  --text-2xl: 1.5rem;     /* 24px */
  --text-3xl: 1.875rem;   /* 30px */
  --text-4xl: 2.25rem;    /* 36px */
  --text-5xl: 3rem;       /* 48px */
  --text-6xl: 4.5rem;     /* 72px */

  --line-height-tight: 1.15;
  --line-height-normal: 1.6;
  --line-height-loose: 1.8;

  /* --- Spacing (8px scale) --- */
  --space-xs: 0.25rem;    /* 4px */
  --space-sm: 0.5rem;     /* 8px */
  --space-md: 1rem;       /* 16px */
  --space-lg: 1.5rem;     /* 24px */
  --space-xl: 2rem;       /* 32px */
  --space-2xl: 3rem;      /* 48px */
  --space-3xl: 4rem;      /* 64px */
  --space-4xl: 6rem;      /* 96px */
  --space-5xl: 8rem;      /* 128px */

  /* --- Layout --- */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --max-width-wide: 1400px;
  --border-radius: 6px;
  --border-radius-lg: 12px;
  --border-radius-xl: 20px;
  --border-radius-full: 9999px;

  /* --- Shadows --- */
  --shadow-sm: 0 1px 2px rgba(30, 27, 75, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(30, 27, 75, 0.07), 0 2px 4px -2px rgba(30, 27, 75, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(30, 27, 75, 0.08), 0 4px 6px -4px rgba(30, 27, 75, 0.04);
  --shadow-xl: 0 20px 25px -5px rgba(30, 27, 75, 0.1), 0 8px 10px -6px rgba(30, 27, 75, 0.05);
  --shadow-glow: 0 0 20px rgba(139, 92, 246, 0.15);

  /* --- Transitions --- */
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --transition-slow: 500ms ease;
}

/* --- Base Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--text-base);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--color-accent);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-dark);
}

ul, ol {
  list-style: none;
}

/* --- Reduced motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* --- Focus indicators (accessibility) --- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Selection colour --- */
::selection {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}