/* ==========================================================================
   ASTERISM COMMUNICATIONS - Design Tokens
   ========================================================================== */

:root {
    /* -------------------------------------------------------------------------
       Colors
       ------------------------------------------------------------------------- */
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-gray-dark: #494949;
    --color-gray-light: #BBBCBD;
    --color-gray-bg: #FAFAFA;
    
    /* Accent Colors */
    --color-accent-red: #F45A5A;
    --color-accent-blue: #448EF6;
    
    /* Semantic Colors */
    --color-text-primary: var(--color-black);
    --color-text-secondary: var(--color-gray-dark);
    --color-text-muted: var(--color-gray-light);
    --color-text-inverse: var(--color-white);
    
    --color-bg-primary: var(--color-white);
    --color-bg-secondary: var(--color-gray-bg);
    --color-bg-dark: var(--color-black);
    
    --color-border-light: rgba(187, 188, 189, 0.3);
    --color-border-medium: rgba(187, 188, 189, 0.5);
    
    /* -------------------------------------------------------------------------
       Typography
       ------------------------------------------------------------------------- */
    --font-family-serif: 'Libre Baskerville', Georgia, serif;
    --font-family-sans: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Work Sans', var(--font-family-sans);
    
    /* Font Sizes - Using clamp for fluid typography */
    --font-size-xs: 0.75rem;      /* 12px */
    --font-size-sm: 0.875rem;     /* 14px */
    --font-size-base: 1rem;       /* 16px */
    --font-size-md: 1.125rem;     /* 18px */
    --font-size-lg: 1.25rem;      /* 20px */
    --font-size-xl: 1.5rem;       /* 24px */
    --font-size-2xl: 2rem;        /* 32px */
    --font-size-3xl: 2.5rem;      /* 40px */
    --font-size-4xl: 3rem;        /* 48px */
    --font-size-5xl: 4rem;        /* 64px */
    --font-size-6xl: 5.5rem;      /* 88px */
    
    /* Fluid Font Sizes */
    --font-size-h1: clamp(3rem, 7vw, 5.5rem);
    --font-size-h2: clamp(2.5rem, 5vw, 4rem);
    --font-size-h3: clamp(2rem, 4vw, 2.75rem);
    --font-size-h4: clamp(1.5rem, 3vw, 2rem);
    --font-size-lead: clamp(1.25rem, 2vw, 1.5rem);
    
    /* Font Weights */
    --font-weight-light: 300;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Line Heights */
    --line-height-tight: 1.1;
    --line-height-snug: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.7;
    --line-height-loose: 1.8;
    
    /* Letter Spacing */
    --letter-spacing-tight: -0.02em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.02em;
    --letter-spacing-wider: 0.03em;
    --letter-spacing-widest: 0.1em;
    
    /* -------------------------------------------------------------------------
       Spacing
       ------------------------------------------------------------------------- */
    --spacing-0: 0;
    --spacing-1: 0.25rem;   /* 4px */
    --spacing-2: 0.5rem;    /* 8px */
    --spacing-3: 0.75rem;   /* 12px */
    --spacing-4: 1rem;      /* 16px */
    --spacing-5: 1.25rem;   /* 20px */
    --spacing-6: 1.5rem;    /* 24px */
    --spacing-8: 2rem;      /* 32px */
    --spacing-10: 2.5rem;   /* 40px */
    --spacing-12: 3rem;     /* 48px */
    --spacing-16: 4rem;     /* 64px */
    --spacing-20: 5rem;     /* 80px */
    --spacing-24: 6rem;     /* 96px */
    --spacing-32: 8rem;     /* 128px */
    
    /* -------------------------------------------------------------------------
       Layout
       ------------------------------------------------------------------------- */
    --max-width: 1440px;
    --max-width-content: 900px;
    --max-width-narrow: 700px;
    
    --container-padding: 3rem;
    --container-padding-mobile: 1.5rem;
    
    /* -------------------------------------------------------------------------
       Borders & Radius
       ------------------------------------------------------------------------- */
    --border-width: 1px;
    --border-width-thick: 2px;
    --border-width-thicker: 3px;
    
    --border-radius-sm: 2px;
    --border-radius: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-full: 50%;
    
    /* -------------------------------------------------------------------------
       Shadows
       ------------------------------------------------------------------------- */
    --shadow-soft: 0 10px 40px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 20px 60px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 30px 80px rgba(0, 0, 0, 0.18);
    --shadow-button: 0 4px 20px rgba(68, 142, 246, 0.3);
    --shadow-button-hover: 0 8px 30px rgba(68, 142, 246, 0.5);
    
    /* -------------------------------------------------------------------------
       Transitions
       ------------------------------------------------------------------------- */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-smooth: 0.6s cubic-bezier(0.23, 1, 0.320, 1);
    --transition-quick: 0.3s cubic-bezier(0.23, 1, 0.320, 1);
    --transition-bounce: 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* -------------------------------------------------------------------------
       Z-Index Scale
       ------------------------------------------------------------------------- */
    --z-index-dropdown: 100;
    --z-index-sticky: 200;
    --z-index-fixed: 300;
    --z-index-modal-backdrop: 400;
    --z-index-modal: 500;
    --z-index-popover: 600;
    --z-index-tooltip: 700;
    --z-index-nav: 1000;
    --z-index-cookie: 9999;
    
    /* -------------------------------------------------------------------------
       Breakpoints (for reference - use in media queries)
       ------------------------------------------------------------------------- */
    /* --breakpoint-sm: 576px; */
    /* --breakpoint-md: 768px; */
    /* --breakpoint-lg: 968px; */
    /* --breakpoint-xl: 1200px; */
    /* --breakpoint-2xl: 1440px; */
}

/* Dark mode support (for future use) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Can override variables here for dark mode */
    }
}