/* 1. Variáveis de Cor e Configurações Globais */
:root {
    --sbnpp-blue: #0a2b5a; /* Azul marinho da SBNPP */
    --sbnpp-gold: #e4b85c; /* Dourado/Amarelo da SBNPP */
    --light-gray: #f6f9fc;
    --text-color: #333;
    --text-light: #f8f8f8;
    --border-color: #e6ebf1;
    --font-family: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: #fff;
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 2. Header */
.main-header {
    background: #fff;
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: box-shadow 0.3s ease;
}

.main-header .container {
    display: flex;
    justify-content: center;
    align-items: center;
}

.nav-link {
    color: var(--sbnpp-blue);
    text-decoration: none;
    margin: 0 15px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--sbnpp-gold);
}

/* 3. Botões CTA (Call-to-Action) */
.cta-button-primary {
    background-color: var(--sbnpp-gold);
    color: var(--sbnpp-blue);
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1em;
    display: inline-block;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.cta-button-secondary {
    background-color: var(--sbnpp-blue);
    color: #fff;
    padding: 10px 20px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

.cta-button-secondary:hover {
    background-color: #061c3c;
}

/* 4. Seção Hero */
.hero {
    background: linear-gradient(135deg, var(--sbnpp-blue) 0%, #061c3c 100%);
    color: var(--text-light);
    padding: 100px 0;
    text-align: center;
}

.hero img {
    margin-bottom: 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    max-width: 800px;
    margin: 0 auto 20px;
}

.hero-subtitle {
    font-size: 1.25rem;
    max-width: 700px;
    margin: 0 auto 40px;
    opacity: 0.9;
}

/* 5. Seções Genéricas e Títulos */
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--sbnpp-blue);
    text-align: center;
    margin-bottom: 60px;
}

/* 6. Seção de Vantagens */
.advantages {
    padding: 80px 0;
    background-color: var(--light-gray);
}

.advantages-grid {
    display: grid;
    /* ALTERADO AQUI para forçar 4 colunas lado a lado */
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.advantage-card {
    background: #fff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 8px 16px rgba(10, 43, 90, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.advantage-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(10, 43, 90, 0.1);
}

.advantage-card h3 {
    font-size: 1.4rem;
    color: var(--sbnpp-blue);
    margin-bottom: 10px;
}

.icon-wrapper {
    background-color: var(--sbnpp-blue);
    color: var(--sbnpp-gold);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin-bottom: 20px;
}


/* 7. Seção Como se Associar */
.how-to-join {
    padding: 80px 0;
    background-color: #fff;
}

.steps-container {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 60px;
}

.step {
    text-align: center;
    flex: 1;
}

.step-number {
    width: 50px;
    height: 50px;
    border: 2px solid var(--sbnpp-gold);
    color: var(--sbnpp-gold);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 20px;
}

.step h3 {
    color: var(--sbnpp-blue);
    margin-bottom: 10px;
}

.step-arrow {
    font-size: 2.5rem;
    color: var(--sbnpp-gold);
    font-weight: bold;
    margin-top: 30px;
}

.how-to-join-cta {
    text-align: center;
}

/* 8. Footer */
.main-footer-bottom {
    background-color: var(--sbnpp-blue);
    color: #a7b7d0;
    text-align: center;
    padding: 30px 0;
    font-size: 0.9rem;
}

.main-footer-bottom p {
    margin: 5px 0;
}

/* 9. Animações de Scroll */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* 10. Responsividade */
@media (max-width: 992px) {
    /* ADICIONADO AQUI para tablets */
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .main-header .container nav {
       display: flex;
       justify-content: center;
       flex-wrap: wrap;
       width: 100%;
    }

    .nav-link {
       margin: 5px 10px;
    }
    
    .cta-button-secondary {
       margin: 5px 10px;
    }

    /* ADICIONADO AQUI para celulares */
    .advantages-grid {
        grid-template-columns: 1fr;
    }

    .steps-container {
        flex-direction: column;
    }

    .step-arrow {
        transform: rotate(90deg);
        margin: 20px 0;
    }
}