:root {
    /* Cores Premium Catalisadores - Tema Escuro e Dourado */
    --primary-gold: #D4AF37;
    --secondary-gold: #B8941E;
    --dark-gold: #9C7C15;
    --dark-bg: #000000;
    --dark-gray: #1a1a1a;
    --darker-gray: #111111;
    --medium-gray: #2a2a2a;
    --light-gray: #3a3a3a;
    --white: #FFFFFF;
    --text-white: #FFFFFF;
    --text-muted: #b0b0b0;
    --text-light: #e0e0e0;
    
    /* Gradientes Premium */
    --gradient-gold: linear-gradient(135deg, var(--primary-gold) 0%, var(--secondary-gold) 100%);
    --gradient-dark: linear-gradient(135deg, var(--dark-bg) 0%, var(--darker-gray) 100%);
    
    /* Cores de estado */
    --success-color: #27ae60;
    --warning-color: #f39c12;
    --error-color: #e74c3c;
    --info-color: #3498db;
    
    /* Transparências */
    --gold-10: rgba(212, 175, 55, 0.1);
    --gold-20: rgba(212, 175, 55, 0.2);
    --gold-30: rgba(212, 175, 55, 0.3);
    --dark-50: rgba(0, 0, 0, 0.5);
    --white-10: rgba(255, 255, 255, 0.1);
    --white-20: rgba(255, 255, 255, 0.2);
    
    /* Tipografia Premium */
    --font-primary: 'Segoe UI', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Montserrat', sans-serif;
    
    /* Tamanhos de fonte */
    --font-size-xs: 12px;
    --font-size-sm: 14px;
    --font-size-base: 16px;
    --font-size-md: 18px;
    --font-size-lg: 24px;
    --font-size-xl: 32px;
    --font-size-xxl: 48px;
    --font-size-xxxl: 64px;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 4rem;
    --spacing-xxxl: 6rem;
    
    /* Bordas e raios */
    --border-radius-sm: 4px;
    --border-radius: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --border-radius-full: 50px;
    
    /* Sombras Premium */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5);
    --shadow: 0 4px 8px rgba(0, 0, 0, 0.6);
    --shadow-md: 0 8px 16px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.8);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.9);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Manter compatibilidade com nomes antigos */
    --color-primary: var(--primary-gold);
    --color-secondary: var(--dark-bg);
    --color-accent: var(--secondary-gold);
    --color-light: var(--light-gray);
    --color-white: var(--white);
    --color-black: var(--dark-bg);
    --color-dark-gray: var(--text-muted);
    --color-gray: var(--medium-gray);
    --color-light-gray: var(--dark-gray);
    --color-gray-dark: var(--darker-gray);
    
    --gradient-primary: var(--gradient-gold);
    --gradient-light: linear-gradient(135deg, var(--gold-10) 0%, var(--gold-20) 100%);
}

/* Reset e estilos base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--text-white);
    background-color: var(--dark-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Container base */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 var(--spacing-sm);
}

/* Links */
a {
    color: var(--primary-gold);
    text-decoration: none;
    transition: color var(--transition);
}

a:hover {
    color: var(--white);
}

/* Botões */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    line-height: 1;
    text-align: center;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--border-radius-full);
    cursor: pointer;
    transition: all var(--transition);
    user-select: none;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-gold);
    color: var(--dark-bg);
    border: none;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-gold);
    border-color: var(--primary-gold);
}

.btn-secondary:hover {
    background-color: var(--primary-gold);
    color: var(--dark-bg);
    transform: translateY(-2px);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-md);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary-gold);
    border: 2px solid var(--primary-gold);
}

.btn-outline:hover {
    background-color: var(--primary-gold);
    color: var(--dark-bg);
}

/* Utilitários de texto */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

/* Utilitários de espaçamento */
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsividade */
@media (max-width: 1400px) {
    .container {
        max-width: 1200px;
    }
}

@media (max-width: 992px) {
    .container {
        max-width: 768px;
    }
}

@media (max-width: 768px) {
    .container {
        max-width: 576px;
        padding: 0 15px;
    }
}

@media (max-width: 576px) {
    .container {
        max-width: 100%;
        padding: 0 10px;
    }
}

/* Acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

button:focus,
input:focus,
textarea:focus,
select:focus,
a:focus {
    outline: 2px solid var(--primary-gold);
    outline-offset: 2px;
}