/**
 * ==========================================================
 * DỊCH VỤ XE HỢP ĐỒNG - TAXI ĐỨC HÒA
 * PREMIUM DESIGN SYSTEM - VARIABLES (V2.5 ULTRA)
 * Typography: 'Be Vietnam Pro' & 'Plus Jakarta Sans'
 * Palette: Luxury Dark Navy, Emerald Energy & Vibrant Gold
 * ==========================================================
 */

:root {
  /* Brand Core Palette - Red & Orange Transport Theme */
  --primary: #dc2626;             /* Vibrant Red 600 */
  --primary-hover: #b91c1c;
  --primary-active: #991b1b;
  --primary-light: #fee2e2;
  --primary-bg: #fef2f2;
  --primary-glow: rgba(220, 38, 38, 0.35);

  --secondary: #ea580c;           /* Energetic Orange 600 */
  --secondary-hover: #c2410c;
  --secondary-light: #ffedd5;
  --secondary-bg: #fff7ed;
  --secondary-glow: rgba(234, 88, 12, 0.35);

  --accent-red: #dc2626;          /* Hotline Red */
  --accent-red-hover: #b91c1c;
  --accent-red-light: #fee2e2;
  --accent-red-bg: #fef2f2;
  --accent-red-glow: rgba(220, 38, 38, 0.35);

  --accent-blue: #0284c7;         /* Sân bay & Đường dài */
  --accent-blue-light: #e0f2fe;

  /* Luxury Dark & Slate Surfaces */
  --dark-hero: #0b132b;
  --dark-surface: #1c1d2e;
  --dark-card: #242238;
  --dark-border: rgba(255, 255, 255, 0.12);
  --dark-text: #f8fafc;
  --dark-muted: #94a3b8;

  /* Light Surfaces */
  --surface-body: #f8fafc;
  --surface-card: #ffffff;
  --surface-card-subtle: #f1f5f9;
  --surface-tinted: #fff7ed;
  
  --border-color: #e2e8f0;
  --border-subtle: #f1f5f9;
  --border-primary: rgba(220, 38, 38, 0.25);
  --border-gold: rgba(234, 88, 12, 0.3);

  /* Typography Colors */
  --text-main: #1e293b;
  --text-heading: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --text-inverse: #ffffff;
  --text-on-primary: #ffffff;

  /* Glassmorphism Tokens */
  --glass-bg: rgba(255, 255, 255, 0.85);
  --glass-border: rgba(255, 255, 255, 0.6);
  --glass-dark-bg: rgba(15, 23, 42, 0.85);
  --glass-dark-border: rgba(255, 255, 255, 0.15);
  --glass-blur: blur(16px);
  --glass-blur-lg: blur(24px);

  /* Gradients */
  --grad-hero: linear-gradient(135deg, #0b132b 0%, #1c1d2e 45%, #2a151b 100%);
  --grad-hero-overlay: radial-gradient(circle at 85% 20%, rgba(234, 88, 12, 0.2) 0%, transparent 45%),
                       radial-gradient(circle at 15% 80%, rgba(220, 38, 38, 0.22) 0%, transparent 50%);
  --grad-primary: linear-gradient(135deg, #dc2626 0%, #ea580c 100%);
  --grad-gold: linear-gradient(135deg, #ea580c 0%, #f59e0b 100%);
  --grad-red: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  --grad-card-top: linear-gradient(90deg, #dc2626 0%, #ea580c 100%);
  --grad-surface: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
  --grad-dark: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
  --grad-badge: linear-gradient(135deg, rgba(220, 38, 38, 0.12) 0%, rgba(234, 88, 12, 0.15) 100%);
  --grad-text-gold: linear-gradient(135deg, #fb923c 0%, #ea580c 100%);
  --grad-text-primary: linear-gradient(135deg, #dc2626 0%, #ea580c 100%);

  /* Multi-tier Box Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.08), 0 2px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 24px -4px rgba(0, 0, 0, 0.1), 0 4px 12px -4px rgba(0, 0, 0, 0.06);
  --shadow-xl: 0 24px 48px -12px rgba(0, 0, 0, 0.15), 0 8px 16px -6px rgba(0, 0, 0, 0.08);
  --shadow-glow-primary: 0 12px 30px -5px rgba(220, 38, 38, 0.35);
  --shadow-glow-gold: 0 12px 30px -5px rgba(234, 88, 12, 0.35);
  --shadow-glow-red: 0 12px 30px -5px rgba(220, 38, 38, 0.35);

  /* 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;

  /* Border Radius */
  --radius-xs: 6px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-pill: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 350ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Typography Scale */
  --font-family-base: 'Be Vietnam Pro', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-family-heading: 'Be Vietnam Pro', 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-sans: var(--font-family-base);
  --font-heading: var(--font-family-heading);

  /* Layout Widths */
  --container-max: 1240px;
  --container-max-width: 1240px;
  --header-height: 68px;
}