:root {
    /* Paleta de Cores Marrom Premium (Dark Mode) */
    --brand-primary: #120a08;    /* Marrom Ébano Profundo */
    --brand-surface: #1e120f;    /* Marrom Café (Cards) */
    --brand-surface-light: #2d1d1a; /* Marrom Chocolate Suave */
    --brand-accent: #c5a059;     /* Ouro Sedoso (Accents) */
    --brand-accent-hover: #d4af37;
    --brand-text: #f5f0eb;       /* Off-white Quente */
    --brand-text-muted: #a68b85; /* Marrom Acinzetado */
    --brand-border: rgba(197, 160, 89, 0.15); /* Borda dourada sutil */
    
    /* Regras de Padronização */
    --border-width: 1px;
    --radius-standard: 16px;
    --transition-speed: 0.4s;
    --shadow-standard: 0 15px 35px rgba(0, 0, 0, 0.6);
}

body {
    font-family: 'Inter', 'Segoe UI', Roboto, sans-serif;
    background-color: var(--brand-primary);
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(45, 29, 26, 0.4) 0%, transparent 40%),
        radial-gradient(circle at 80% 80%, rgba(30, 18, 15, 0.4) 0%, transparent 40%);
    background-attachment: fixed;
    color: var(--brand-text);
    line-height: 1.6;
    padding-top: 85px;
}

/* Tipografia Padronizada */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    color: var(--brand-accent);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Navbar Estruturada com Glassmorphism */
.navbar {
    background-color: rgba(18, 10, 8, 0.85) !important;
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid var(--brand-border);
    padding: 0.8rem 0;
    box-shadow: 0 10px 30px rgba(0,0,0,0.4);
}

.navbar-brand {
    font-weight: 900;
    color: var(--brand-accent) !important;
    font-size: 1.4rem;
    letter-spacing: 1px;
}

.nav-link {
    color: var(--brand-text) !important;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.8rem;
    padding: 0.5rem 1.2rem !important;
    opacity: 0.75;
    transition: all var(--transition-speed);
}

.nav-link:hover {
    color: var(--brand-accent) !important;
    opacity: 1;
    transform: translateY(-1px);
}

/* Cards Premium */
.card {
    background-color: var(--brand-surface) !important;
    border: 1px solid var(--brand-border) !important;
    border-radius: var(--radius-standard) !important;
    box-shadow: var(--shadow-standard);
    overflow: hidden;
    transition: transform var(--transition-speed);
}

.card:hover {
    transform: translateY(-5px);
    border-color: rgba(197, 160, 89, 0.4) !important;
}

/* Botões Padronizados */
.btn-premium {
    background: linear-gradient(135deg, var(--brand-accent), #a68545);
    color: #120a08 !important; /* Texto escuro no fundo dourado para legibilidade */
    font-weight: 800;
    text-transform: uppercase;
    border: none;
    border-radius: var(--radius-standard);
    padding: 0.8rem 2.2rem;
    box-shadow: 0 8px 20px rgba(197, 160, 89, 0.2);
    transition: all var(--transition-speed);
    letter-spacing: 1px;
}

.btn-premium:hover {
    transform: scale(1.05);
    box-shadow: 0 12px 25px rgba(197, 160, 89, 0.3);
    filter: brightness(1.1);
}

/* Tabelas Modernas */
.table-responsive {
    border: 1px solid var(--brand-border);
    border-radius: var(--radius-standard);
    background-color: var(--brand-surface);
}

.table {
    color: var(--brand-text);
    margin-bottom: 0;
}

.table thead th {
    background-color: rgba(0, 0, 0, 0.3);
    color: var(--brand-accent);
    border-bottom: 2px solid var(--brand-accent);
    padding: 1.5rem 1rem;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
}

.table td {
    border-bottom: 1px solid var(--brand-border);
    padding: 1.2rem 1rem;
    vertical-align: middle;
}

/* Classes de Compatibilidade (Padronização) */
.text-orange, .text-accent { color: var(--brand-accent) !important; }
.bg-sertao, .bg-premium { background-color: var(--brand-primary) !important; }
.bg-surface { background-color: var(--brand-surface) !important; }
.footer-sertao {
    background-color: #0d0706;
    border-top: 1px solid var(--brand-border);
    padding: 5rem 0 2rem;
    margin-top: 5rem;
}

/* Inputs Premium */
input, textarea, select {
    background-color: rgba(255, 255, 255, 0.05) !important;
    color: #ffffff !important;
    border: 1px solid var(--brand-border) !important;
    border-radius: 12px !important;
    padding: 12px 18px !important;
}

select option {
    background-color: var(--brand-surface-light);
    color: #ffffff;
}

input:focus, select:focus {
    border-color: var(--brand-accent) !important;
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2) !important;
    outline: none;
}

.badge-premium {
    background-color: var(--brand-accent);
    color: var(--brand-primary);
    font-weight: 800;
    border-radius: 6px;
    padding: 5px 12px;
}

/* Ícones Sociais Redondos */
.social-circle {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--brand-text-muted) !important;
    transition: all var(--transition-speed);
    text-decoration: none;
    background-color: rgba(255,255,255,0.03);
}

.social-circle:hover {
    border-color: var(--brand-accent);
    color: var(--brand-accent) !important;
    transform: translateY(-3px);
    background-color: rgba(197, 160, 89, 0.1);
    box-shadow: 0 5px 15px rgba(197, 160, 89, 0.2);
}

/* Responsividade de Botões */
@media (max-width: 768px) {
    .btn-premium, .btn-outline-light, .btn-success {
        width: 100%;
        margin-bottom: 0.5rem;
        padding: 1rem 1.5rem !important;
        font-size: 0.9rem;
    }
    
    .hero-premium {
        height: auto !important;
        padding: 6rem 0 4rem;
    }
    
    .hero-premium h1 {
        font-size: 2.5rem !important;
    }
    
    .hero-premium p {
        font-size: 1.1rem !important;
    }
}