/**
 * CSS Variables for casinot.ai
 * Color Palette: Dark Navy Blue, Medium Blue, White — Kasinoseta-inspired
 */

:root {
    /* Primary Colors - Dark Navy Blue */
    --color-primary: #1a3a5f;
    --color-primary-dark: #0f2744;
    --color-primary-light: #2c5282;
    --color-primary-rgb: 26, 58, 95;

    /* Secondary Colors - Medium Blue */
    --color-secondary: #3182ce;
    --color-secondary-dark: #2563a8;
    --color-secondary-light: #4299e1;
    --color-secondary-rgb: 49, 130, 206;

    /* Accent Colors - Green for CTAs */
    --color-accent: #38a169;
    --color-accent-dark: #2f855a;
    --color-accent-light: #48bb78;
    --color-accent-rgb: 56, 161, 105;

    /* Background Colors */
    --color-bg: #ffffff;
    --color-bg-dark: #f7fafc;
    --color-bg-light: #ffffff;
    --color-bg-card: #ffffff;
    --color-bg-header: #ffffff;
    --color-bg-footer: #0f2744;
    --color-bg-hero: #162a45;
    --color-bg-section-alt: #f0f5fa;

    /* Text Colors */
    --color-text: #2d3748;
    --color-text-light: #718096;
    --color-text-muted: #a0aec0;
    --color-text-white: #ffffff;
    --color-text-on-primary: #ffffff;
    --color-text-on-secondary: #ffffff;

    /* Semantic Colors */
    --color-success: #38a169;
    --color-error: #e53e3e;
    --color-warning: #dd6b20;
    --color-info: #3182ce;

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1a3a5f 0%, #2c5282 100%);
    --gradient-secondary: linear-gradient(135deg, #3182ce 0%, #4299e1 100%);
    --gradient-accent: linear-gradient(135deg, #38a169 0%, #48bb78 100%);
    --gradient-hero: linear-gradient(180deg, rgba(15,39,68,0.92) 0%, rgba(26,58,95,0.85) 100%);
    --gradient-card-hover: linear-gradient(135deg, rgba(49,130,206,0.05) 0%, rgba(26,58,95,0.05) 100%);

    /* Typography */
    --font-main: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-heading: var(--font-main);
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Segoe UI Mono", monospace;

    /* Font Sizes - Fluid Typography */
    --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.813rem);
    --text-sm: clamp(0.875rem, 0.83rem + 0.22vw, 0.938rem);
    --text-base: clamp(0.938rem, 0.9rem + 0.2vw, 1.063rem);
    --text-lg: clamp(1.063rem, 1rem + 0.3vw, 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(1.75rem, 1.4rem + 1.5vw, 2.25rem);
    --text-4xl: clamp(2rem, 1.6rem + 2vw, 2.75rem);

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.6;
    --leading-relaxed: 1.8;

    /* Font Weights */
    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 12px 36px rgba(0, 0, 0, 0.15);
    --shadow-card: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-card-hover: 0 8px 24px rgba(26, 58, 95, 0.15);

    /* Transitions */
    --transition-fast: all 0.15s ease;
    --transition-base: all 0.25s ease;
    --transition-slow: all 0.4s ease;

    /* Layout */
    --container-max: 1200px;
    --container-padding: 1.25rem;
    --header-height: 64px;
    --sidebar-width: 320px;
    --footer-min-height: 200px;

    /* Z-Index Scale */
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-tooltip: 600;

    /* Carousel Animation */
    --carousel-speed-row1: 240s;
    --carousel-speed-row2: 250s;
    --carousel-speed-row3: 260s;
}