/**
 * Variáveis CSS - Design System
 * 
 * Este arquivo contém todas as variáveis CSS do projeto, incluindo:
 * - Cores (primárias, secundárias, backgrounds)
 * - Tipografia (fontes, tamanhos, pesos)
 * - Espaçamentos
 * - Efeitos (glassmorphism, neon glow, sombras)
 * - Animações (durações, curvas)
 * 
 * @author Gledson Morais de Oliveira
 * @version 1.0
 */

:root {
  /* ==========================================
     CORES PRINCIPAIS
     ========================================== */
  
  /* Backgrounds */
  --bg-primary: #0a0a0a;
  --bg-secondary: #1a1a1a;
  --bg-tertiary: #2a2a2a;
  
  /* Vermelho Neon (cor principal) */
  --primary-red: #ff0000;
  --primary-red-dark: #cc0000;
  --primary-red-light: #ff3333;
  --primary-red-glow: rgba(255, 0, 0, 0.8);
  --primary-red-glow-soft: rgba(255, 0, 0, 0.3);
  
  /* Cores de Texto */
  --text-primary: #ffffff;
  --text-secondary: #b0b0b0;
  --text-tertiary: #707070;
  --text-accent: #ff6b6b;
  
  /* Cores de Estado */
  --success: #00ff00;
  --warning: #ffaa00;
  --error: #ff0000;
  --info: #00aaff;
  
  
  /* ==========================================
     GLASSMORPHISM
     ========================================== */
  
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-bg-hover: rgba(255, 255, 255, 0.08);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-border-hover: rgba(255, 0, 0, 0.3);
  --glass-blur: 10px;
  --glass-blur-strong: 20px;
  
  
  /* ==========================================
     NEON GLOW (Brilho)
     ========================================== */
  
  --neon-glow-sm: 0 0 10px var(--primary-red-glow);
  --neon-glow-md: 0 0 20px var(--primary-red-glow);
  --neon-glow-lg: 0 0 40px var(--primary-red-glow);
  --neon-glow-xl: 0 0 60px var(--primary-red-glow);
  
  --neon-text-glow: 0 0 5px var(--primary-red-glow),
                    0 0 10px var(--primary-red-glow),
                    0 0 20px var(--primary-red-glow);
  
  
  /* ==========================================
     GRADIENTES
     ========================================== */
  
  --gradient-primary: linear-gradient(135deg, #ffffff 0%, #ff0000 100%);
  --gradient-red: linear-gradient(135deg, #ff0000 0%, #cc0000 100%);
  --gradient-radial: radial-gradient(circle at center, rgba(255, 0, 0, 0.15) 0%, transparent 70%);
  --gradient-text: linear-gradient(135deg, #ffffff 0%, #ffcccc 50%, #ff6b6b 100%);
  
  
  /* ==========================================
     SOMBRAS
     ========================================== */
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.5);
  --shadow-xl: 0 16px 32px rgba(0, 0, 0, 0.6);
  
  --text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
  --text-shadow-strong: 3px 3px 6px rgba(0, 0, 0, 0.9);
  
  
  /* ==========================================
     TIPOGRAFIA
     ========================================== */
  
  /* Famílias de Fonte */
  --font-primary: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  --font-secondary: 'Outfit', 'Arial', sans-serif;
  --font-mono: 'Fira Code', 'Courier New', monospace;
  
  /* Tamanhos de Fonte */
  --font-size-xs: 0.75rem;    /* 12px */
  --font-size-sm: 0.875rem;   /* 14px */
  --font-size-base: 1rem;     /* 16px */
  --font-size-lg: 1.125rem;   /* 18px */
  --font-size-xl: 1.25rem;    /* 20px */
  --font-size-2xl: 1.5rem;    /* 24px */
  --font-size-3xl: 1.875rem;  /* 30px */
  --font-size-4xl: 2.25rem;   /* 36px */
  --font-size-5xl: 3rem;      /* 48px */
  --font-size-6xl: 3.75rem;   /* 60px */
  --font-size-7xl: 4.5rem;    /* 72px */
  
  /* Pesos de Fonte */
  --font-weight-light: 300;
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  --font-weight-extrabold: 800;
  
  /* Altura de Linha */
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.75;
  --line-height-loose: 2;
  
  
  /* ==========================================
     ESPAÇAMENTOS
     ========================================== */
  
  --spacing-xs: 0.25rem;   /* 4px */
  --spacing-sm: 0.5rem;    /* 8px */
  --spacing-md: 1rem;      /* 16px */
  --spacing-lg: 1.5rem;    /* 24px */
  --spacing-xl: 2rem;      /* 32px */
  --spacing-2xl: 3rem;     /* 48px */
  --spacing-3xl: 4rem;     /* 64px */
  --spacing-4xl: 6rem;     /* 96px */
  --spacing-5xl: 8rem;     /* 128px */
  
  /* Seções */
  --section-padding: var(--spacing-5xl);
  --section-padding-mobile: var(--spacing-3xl);
  
  /* Container */
  --container-max-width: 1200px;
  --container-padding: var(--spacing-lg);
  
  
  /* ==========================================
     BORDAS
     ========================================== */
  
  --border-radius-sm: 0.25rem;   /* 4px */
  --border-radius-md: 0.5rem;    /* 8px */
  --border-radius-lg: 1rem;      /* 16px */
  --border-radius-xl: 1.5rem;    /* 24px */
  --border-radius-full: 9999px;
  
  --border-width-thin: 1px;
  --border-width-normal: 2px;
  --border-width-thick: 3px;
  
  
  /* ==========================================
     ANIMAÇÕES
     ========================================== */
  
  /* Durações */
  --duration-fast: 0.15s;
  --duration-normal: 0.3s;
  --duration-slow: 0.5s;
  --duration-slower: 0.8s;
  
  /* Curvas de Animação */
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  
  
  /* ==========================================
     Z-INDEX
     ========================================== */
  
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-fixed: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-popover: 600;
  --z-tooltip: 700;
  
  
  /* ==========================================
     BREAKPOINTS (para uso em JavaScript)
     ========================================== */
  
  --breakpoint-xs: 320px;
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
  --breakpoint-xl: 1280px;
  --breakpoint-2xl: 1536px;
}