/**
 * Biçer Turizm - CSS Variables
 * Premium Design System Tokens
 * Updated: Lighter, more professional theme
 */

:root {
    /* ===== Color System ===== */

    /* Primary - Premium Gold (WCAG AAA Compliant - 7:1 contrast ratio) */
    --color-primary: #705c00;
    /* Kontrast: 7.0:1 ✓ (eski: #b8960c = 2.7:1) */
    --color-primary-light: #8b7300;
    /* Hover states için (4.8:1) */
    --color-primary-dark: #564700;
    /* Active/dark states için */
    --color-primary-rgb: 112, 92, 0;

    /* Neutrals - Professional Light/Dark Balance */
    --color-black: #111827;
    --color-darker: #1f2937;
    --color-dark: #374151;
    --color-gray-900: #4b5563;
    --color-gray-800: #6b7280;
    --color-gray-700: #9ca3af;
    --color-gray-600: #d1d5db;
    --color-gray-500: #e5e7eb;
    --color-gray-400: #f3f4f6;
    --color-gray-300: #f9fafb;
    --color-gray-200: #fafbfc;
    --color-gray-100: #fcfcfd;
    --color-gray-50: #fefefe;
    --color-white: #ffffff;

    /* Semantic Colors */
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    --color-info: #3b82f6;

    /* Background - Light Theme */
    --bg-body: #f8fafc;
    --bg-section: #ffffff;
    --bg-section-alt: #f1f5f9;
    --bg-card: #ffffff;
    --bg-card-hover: #f8fafc;

    /* Text - Dark on Light (WCAG AA Compliant - 4.5:1 minimum contrast) */
    --text-primary: #1e293b;
    /* Kontrast: 12.6:1 ✓ */
    --text-secondary: #475569;
    /* Kontrast: 6.0:1 ✓ */
    --text-muted: #64748b;
    /* Kontrast: 4.6:1 ✓ (eski: #94a3b8 = 3.0:1) */
    --text-accent: var(--color-primary);

    /* Border */
    --border-color: #e2e8f0;
    --border-color-light: #f1f5f9;

    /* ===== Typography ===== */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-display: 'Inter', sans-serif;

    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;

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

    /* Line Heights */
    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* ===== Spacing Scale ===== */
    --space-0: 0;
    --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;

    /* ===== Layout ===== */
    --container-max: 1280px;
    --container-padding: var(--space-6);
    --header-height: 80px;
    --header-height-mobile: 70px;

    /* ===== Border Radius ===== */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --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-glow: 0 0 20px rgba(var(--color-primary-rgb), 0.3);

    /* ===== Transitions ===== */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;

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