/* ===================================
   Variáveis CSS - Design System
   =================================== */

:root {
    /* === CORES === */
    /* Cores Primárias - Tons modernos e acolhedores */
    --color-primary: #0a0f1d;
    --color-primary-dark: #080c16;
    --color-primary-darker: #060912;
    --color-primary-light: #111827;
    
    /* Cores de Destaque - Ciano vibrante e confiável */
    --color-accent: #00d1ff;
    --color-accent-light: #33dcff;
    --color-accent-glow: rgba(0, 209, 255, 0.4);
    --color-accent-dark: #00a8cc;
    
    /* Cores Neutras - Mais claras e amigáveis */
    --color-white: #ffffff;
    --color-gray-light: #dce1e7;
    --color-gray: #9ca3af;
    --color-gray-dark: #4b5563;
    --color-black: #000000;
    
    /* Cores de Status */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #00d1ff;
    
    /* Gradientes - Modernos e sutis */
    --gradient-primary: linear-gradient(135deg, #0a0f1d 0%, #111827 100%);
    --gradient-accent: linear-gradient(135deg, #00d1ff 0%, #00a8cc 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(10, 15, 29, 0.4) 0%, rgba(10, 15, 29, 0.65) 50%, rgba(10, 15, 29, 0.8) 100%);
    --gradient-text: linear-gradient(135deg, #00d1ff 0%, #33dcff 100%);
    --gradient-card: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
    
    /* Gradientes de fundo acolhedores */
    --gradient-section-light: linear-gradient(180deg, #0f1419 0%, #0a0f1d 100%);
    --gradient-section-dark: linear-gradient(180deg, #0a0f1d 0%, #060912 100%);
    
    /* === TIPOGRAFIA === */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Roboto', sans-serif;
    
    /* 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: 2rem;        /* 32px */
    --font-size-4xl: 2.5rem;      /* 40px */
    --font-size-5xl: 3rem;        /* 48px */
    --font-size-6xl: 3.5rem;      /* 56px */
    
    /* Pesos de Fonte */
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* === ESPAÇAMENTO === */
    --spacing-xs: 0.5rem;         /* 8px */
    --spacing-sm: 1rem;           /* 16px */
    --spacing-md: 1.5rem;         /* 24px */
    --spacing-lg: 2rem;           /* 32px */
    --spacing-xl: 3rem;           /* 48px */
    --spacing-2xl: 4rem;          /* 64px */
    --spacing-3xl: 6rem;          /* 96px */
    --spacing-4xl: 8rem;          /* 128px */
    
    /* === LAYOUT === */
    --max-width-container: 1200px;
    --max-width-content: 800px;
    --header-height: 110px;
    --header-height-mobile: 80px;
    
    /* === BORDAS === */
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    --border-radius-xl: 16px;
    --border-radius-2xl: 20px;
    --border-radius-round: 50%;
    
    --border-width: 1px;
    --border-width-thick: 2px;
    
    /* === SOMBRAS === */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.2);
    --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 20px rgba(0, 209, 255, 0.3);
    --shadow-glow-strong: 0 0 30px rgba(0, 209, 255, 0.5);
    --shadow-accent: 0 4px 20px rgba(0, 209, 255, 0.2);
    --shadow-card: 0 8px 24px rgba(0, 0, 0, 0.3);
    
    /* === TRANSIÇÕES === */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --transition-elastic: 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    
    /* === ANIMAÇÕES === */
    --animation-duration-fast: 0.3s;
    --animation-duration-base: 0.5s;
    --animation-duration-slow: 0.8s;
    --animation-ease: ease-out;
    --animation-ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    
    /* === Z-INDEX === */
    --z-index-dropdown: 100;
    --z-index-sticky: 200;
    --z-index-modal: 300;
    --z-index-header: 400;
    --z-index-overlay: 500;
    
    /* === BACKDROP === */
    --backdrop-blur: blur(10px);
    --backdrop-blur-strong: blur(20px);
}
/* ===================================
   Animações Globais
   =================================== */

/* Fade In suave */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

/* Slide Up amigável */
@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Slide In from Left */
@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Slide In from Right */
@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Scale In suave */
@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Glow pulsante */
@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 209, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 30px rgba(0, 209, 255, 0.6);
    }
}

/* Float suave */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Rotate suave */
@keyframes rotate {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Shimmer efeito */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }
    100% {
        background-position: 1000px 0;
    }
}