/* ========================================
   DEEPAK SOLAR - Design System Variables
   Theme: Golden Dawn - Solar Energy Warmth
======================================== */

:root {
    /* === PRIMARY COLORS === */
    --sun-gold: #F59E0B;
    --sun-amber: #D97706;
    --sun-deep: #B45309;
    --sun-light: #FCD34D;
    --sun-glow: #FBBF24;

    /* === WARM BACKGROUNDS === */
    --sky-cream: #FFFBEB;
    --sky-warm: #FEF3C7;
    --sky-light: #FEF9E7;
    --white-glow: #FFFEF7;
    --white-pure: #FFFFFF;

    /* === ACCENT COLORS === */
    --earth-brown: #78350F;
    --night-blue: #1E3A5A;
    --forest-green: #166534;
    --success-green: #22C55E;
    --danger-red: #EF4444;

    /* === NEUTRAL COLORS === */
    --gray-900: #111827;
    --gray-800: #1F2937;
    --gray-700: #374151;
    --gray-600: #4B5563;
    --gray-500: #6B7280;
    --gray-400: #9CA3AF;
    --gray-300: #D1D5DB;
    --gray-200: #E5E7EB;
    --gray-100: #F3F4F6;
    --gray-50: #F9FAFB;

    /* === GRADIENTS === */
    --gradient-solar: linear-gradient(135deg, var(--sun-gold) 0%, var(--sun-deep) 100%);
    --gradient-warm: linear-gradient(180deg, var(--sky-cream) 0%, var(--white-pure) 100%);
    --gradient-hero: linear-gradient(180deg, #FEF3C7 0%, #FDE68A 30%, #F59E0B 70%, #B45309 100%);
    --gradient-sunset: linear-gradient(135deg, #FCD34D 0%, #F59E0B 50%, #DC2626 100%);
    --gradient-glow: radial-gradient(circle, rgba(251, 191, 36, 0.4) 0%, transparent 70%);

    /* === TYPOGRAPHY === */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Outfit', var(--font-primary);

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
    --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
    --text-base: clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
    --text-lg: clamp(1.125rem, 1rem + 0.6vw, 1.25rem);
    --text-xl: clamp(1.25rem, 1.1rem + 0.75vw, 1.5rem);
    --text-2xl: clamp(1.5rem, 1.25rem + 1.25vw, 2rem);
    --text-3xl: clamp(1.875rem, 1.5rem + 1.875vw, 2.5rem);
    --text-4xl: clamp(2.25rem, 1.75rem + 2.5vw, 3.5rem);
    --text-5xl: clamp(3rem, 2rem + 5vw, 5rem);

    /* Font Weights */
    --weight-light: 300;
    --weight-normal: 400;
    --weight-medium: 500;
    --weight-semibold: 600;
    --weight-bold: 700;
    --weight-extrabold: 800;

    /* Line Heights */
    --leading-tight: 1.1;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.7;

    /* === SPACING === */
    --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;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;

    /* === LAYOUT === */
    --container-max: 1280px;
    --container-padding: clamp(1rem, 5vw, 2rem);
    --section-padding: clamp(4rem, 10vw, 8rem);

    /* === BORDERS === */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;

    /* === SHADOWS === */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-glow: 0 0 30px rgba(251, 191, 36, 0.5);
    --shadow-glow-lg: 0 0 60px rgba(251, 191, 36, 0.6);

    /* === 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-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 800ms;

    /* === Z-INDEX === */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal: 400;
    --z-tooltip: 500;
    --z-max: 9999;
}

/* Dark mode overrides - for future use */
@media (prefers-color-scheme: dark) {
    :root.auto-dark {
        --sky-cream: #1a1a2e;
        --white-glow: #16213e;
    }
}