/* ============================================
   SISTEMA DE CORES (CSS VARIABLES)
   ============================================
   IMPORTANTE: Para criar variações de nicho,
   basta alterar essas variáveis!
   ============================================ */

:root {
    /* Cores de Fundo */
    --bg-primary: #0f172a;        /* Fundo principal escuro */
    --bg-secondary: #020617;      /* Fundo mais escuro ainda */
    --bg-card: #1e293b;           /* Fundo dos cards */
    --bg-hover: #334155;          /* Fundo ao passar o mouse */
    
    /* Cores de Texto */
    --text-primary: #f8fafc;      /* Texto principal (claro) */
    --text-secondary: #94a3b8;    /* Texto secundário (cinza) */
    --text-muted: #64748b;        /* Texto esmaecido */
    
    /* Cores de Destaque (Accent) */
    --accent-primary: #22c55e;    /* Verde principal */
    --accent-secondary: #16a34a;  /* Verde escuro (hover) */
    --accent-light: #86efac;      /* Verde claro */
    
    /* Cores de Borda */
    --border-color: #1e293b;      /* Bordas sutis */
    --border-light: #334155;      /* Bordas mais claras */
    
    /* Cores de Alerta/Status */
    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;
    
    /* Sombras */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6);
    
    /* Espaçamentos */
    --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 */
    
    /* Bordas arredondadas */
    --radius-sm: 0.375rem;   /* 6px */
    --radius-md: 0.5rem;     /* 8px */
    --radius-lg: 0.75rem;    /* 12px */
    --radius-xl: 1rem;       /* 16px */
    
    /* Transições */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;
}


/* ============================================
   RESET E CONFIGURAÇÕES GLOBAIS
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Container padrão */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Links */
a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}


/* ============================================
   HEADER / NAVEGAÇÃO
   ============================================ */

.header {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) 0;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.nav {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav a {
    color: var(--text-secondary);
    font-weight: 500;
    transition: color var(--transition-fast);
}

.nav a:hover {
    color: var(--text-primary);
}


/* ============================================
   BOTÕES (SISTEMA COMPLETO)
   ============================================ */

/* Botão primário (verde) */
.btn-primary {
    display: inline-block;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    border: 2px solid var(--accent-primary);
}

.btn-primary:hover {
    background-color: var(--accent-secondary);
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Botão outline (contornado) */
.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
}

.btn-outline:hover {
    background-color: var(--bg-card);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

/* Botão secundário (header) */
.btn-secondary {
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--bg-hover);
    color: var(--accent-primary);
}

/* Botão WhatsApp */
.btn-whatsapp {
    display: inline-block;
    background-color: #25D366;
    color: #ffffff;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    transition: all var(--transition-base);
    border: 2px solid #25D366;
}

.btn-whatsapp:hover {
    background-color: #20BA5A;
    border-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Botão WhatsApp grande (detalhes) */
.btn-whatsapp-grande {
    display: inline-block;
    background-color: #25D366;
    color: #ffffff;
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 1.125rem;
    transition: all var(--transition-base);
    border: 2px solid #25D366;
    text-align: center;
    width: 100%;
}

.btn-whatsapp-grande:hover {
    background-color: #20BA5A;
    border-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

/* Botão para cards de modelo */
.btn-modelo {
    display: inline-block;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    width: 100%;
    transition: all var(--transition-base);
}

.btn-modelo:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-2px);
}

/* Botão mini (outros modelos) */
.btn-mini {
    display: inline-block;
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 0.875rem;
    text-align: center;
    transition: all var(--transition-fast);
}

.btn-mini:hover {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}


/* ============================================
   HERO SECTION (PÁGINA INICIAL)
   ============================================ */

.hero {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.highlight {
    color: var(--accent-primary);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}


/* ============================================
   SEÇÃO DE BENEFÍCIOS
   ============================================ */

.benefits {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.benefit-card {
    background-color: var(--bg-card);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.benefit-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--accent-primary);
}

.benefit-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
}

.benefit-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.benefit-card p {
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ============================================
   COMO FUNCIONA
   ============================================ */

.how-it-works {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-secondary);
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-xl);
}

.step {
    text-align: center;
    padding: var(--spacing-lg);
}

.step-number {
    display: inline-block;
    width: 60px;
    height: 60px;
    background-color: var(--accent-primary);
    color: var(--bg-primary);
    font-size: 1.75rem;
    font-weight: 700;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-md);
}

.step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.step p {
    color: var(--text-secondary);
    line-height: 1.6;
}


/* ============================================
   CTA FINAL
   ============================================ */

.cta-final {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    text-align: center;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.cta-content p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
}


/* ============================================
   FOOTER
   ============================================ */

.footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-xl) 0;
    text-align: center;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
}

.footer-logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.footer-links a {
    color: var(--text-secondary);
    font-size: 0.875rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--accent-primary);
}


/* ============================================
   PÁGINA DE MODELOS
   ============================================ */

.hero-interno {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.hero-interno h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.hero-interno p {
    font-size: 1.125rem;
    color: var(--text-secondary);
}

.modelos-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.modelos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: var(--spacing-xl);
}

.modelo-card {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-base);
}

.modelo-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--accent-primary);
}

.modelo-imagem {
    width: 100%;
    height: 240px;
    overflow: hidden;
    background-color: var(--bg-secondary);
}

.modelo-imagem img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.modelo-card:hover .modelo-imagem img {
    transform: scale(1.05);
}

.modelo-info {
    padding: var(--spacing-lg);
}

.modelo-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.modelo-descricao {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    font-size: 0.9375rem;
}

.modelo-preco {
    margin-bottom: var(--spacing-md);
}

.preco-valor {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.cta-modelos {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
    text-align: center;
}

.cta-modelos h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.cta-modelos p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
}


/* ============================================
   PÁGINA DE DETALHES
   ============================================ */

.detalhes-section {
    padding: var(--spacing-3xl) 0;
    background-color: var(--bg-primary);
}

.detalhes-voltar {
    margin-bottom: var(--spacing-xl);
}

.detalhes-voltar a {
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.detalhes-voltar a:hover {
    color: var(--accent-primary);
}

.detalhes-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
}

.detalhes-imagem {
    position: sticky;
    top: 100px;
    height: fit-content;
}

.detalhes-imagem img {
    width: 100%;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

.detalhes-info h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.modelo-descricao-longa {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.detalhes-preco {
    background-color: var(--bg-card);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-xl);
    border: 1px solid var(--border-color);
}

.preco-label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.preco-valor-grande {
    display: block;
    font-size: 3rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-xs);
}

.preco-info {
    display: block;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.detalhes-lista {
    margin-bottom: var(--spacing-xl);
}

.detalhes-lista h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.lista-incluso,
.lista-nao-incluso {
    list-style: none;
    padding: 0;
}

.lista-incluso li,
.lista-nao-incluso li {
    padding: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    background-color: var(--bg-card);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    border-left: 3px solid var(--accent-primary);
}

.lista-nao-incluso li {
    border-left-color: var(--text-muted);
}

.detalhes-cta {
    margin-top: var(--spacing-xl);
}

.detalhes-garantia {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-top: var(--spacing-md);
}

/* Seção "Outros Modelos" */
.outros-modelos {
    padding: var(--spacing-2xl) 0;
    background-color: var(--bg-secondary);
}

.outros-modelos h2 {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xl);
    color: var(--text-primary);
}

.modelos-grid-mini {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.modelo-card-mini {
    background-color: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.modelo-card-mini:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.modelo-card-mini img {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
}

.modelo-card-mini h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.preco-mini {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: var(--spacing-sm);
}


/* ============================================
   RESPONSIVIDADE
   ============================================ */

@media (max-width: 768px) {
    /* Header */
    .header-content {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    /* Seções */
    .section-title {
        font-size: 2rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    /* Modelos */
    .modelos-grid {
        grid-template-columns: 1fr;
    }
    
    /* Detalhes */
    .detalhes-grid {
        grid-template-columns: 1fr;
    }
    
    .detalhes-imagem {
        position: static;
    }
    
    .preco-valor-grande {
        font-size: 2.5rem;
    }
    
    .modelos-grid-mini {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .cta-content h2 {
        font-size: 1.75rem;
    }
}