/* Khol Química - Design System Variables */
/* Based on Official Brand Manual */

:root {
    /* ========================================
     CORES - Paleta Oficial
     ======================================== */

    /* Cores Primárias */
    --color-green-lime: #CAD42F;
    /* Pantone 381 C */
    --color-teal: #47B6A5;
    /* Pantone 3258 C */
    --color-blue-light: #6BC4D6;
    /* Pantone 631 C */
    --color-blue-dark: #004F6E;
    /* Pantone 302 C */

    /* Cores de Destaque */
    --color-orange: #F26A2E;
    /* Pantone 1585 C */

    /* Cores Neutras */
    --color-warm-gray: #7A6A53;
    /* Pantone Warm Gray 11 C */
    --color-gray: #545454;
    /* Pantone Cool Gray 10 C */
    --color-off-white: #F5F7F6;
    /* Pantone 656 C */
    --color-black: #1C1C1C;
    /* Pantone Black 7 C */
    --color-white: #FFFFFF;

    /* Cores com transparência */
    --color-black-alpha-10: rgba(28, 28, 28, 0.1);
    --color-black-alpha-50: rgba(28, 28, 28, 0.5);
    --color-white-alpha-90: rgba(255, 255, 255, 0.9);
    --color-teal-alpha-10: rgba(71, 182, 165, 0.1);

    /* ========================================
     TIPOGRAFIA
     ======================================== */

    /* Fontes (Google Fonts como alternativa) */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Tamanhos de fonte */
    --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: 3.75rem;
    /* 60px */

    /* Pesos de fonte */
    --font-light: 300;
    --font-regular: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;
    --font-extrabold: 800;

    /* Line heights */
    --leading-tight: 1.1;
    --leading-snug: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Letter spacing */
    --tracking-tight: -0.02em;
    --tracking-normal: 0;
    --tracking-wide: 0.02em;
    --tracking-wider: 0.05em;

    /* ========================================
     ESPAÇAMENTO
     ======================================== */

    --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
     ======================================== */

    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1440px;

    --section-padding-y: var(--spacing-20);
    --section-padding-y-mobile: var(--spacing-12);

    /* ========================================
     BORDAS E SOMBRAS
     ======================================== */

    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px 0 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-teal: 0 0 20px rgba(71, 182, 165, 0.3);
    --shadow-glow-green: 0 0 20px rgba(202, 212, 47, 0.3);

    /* ========================================
     TRANSIÇÕES
     ======================================== */

    --transition-fast: 150ms ease;
    --transition-normal: 300ms ease;
    --transition-slow: 500ms ease;
    --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

    /* ========================================
     Z-INDEX
     ======================================== */

    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;
}

/* Dark mode support (opcional para futuro) */
@media (prefers-color-scheme: dark) {
    :root {
        /* Pode ser expandido futuramente */
    }
}