/*
 * Vazante Verde Style Guide: Preto e Branco, Chique e Moderno.
 */

/* Variáveis e Reset Básico */
:root {
    --color-black: #000000;
    --color-white: #ffffff;
    --color-light-gray: #f5f5f5;
    --color-dark-gray: #333333;
    --font-primary: 'Poppins', sans-serif;
}

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-white);
    color: var(--color-black);
    line-height: 1.6;
}

/* Tipografia e Títulos - Foco no Contraste */
h1, h2, h3 {
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.main-title {
    font-size: 4rem; /* Grande e impactante */
    font-weight: 900; /* Extra Bold */
    line-height: 1;
}

.subtitle {
    font-size: 1.25rem;
    font-weight: 300; /* Leve para contrastar com o título */
    max-width: 600px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 3rem;
    text-align: center;
}

/* Header e Navegação */
.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 5%;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-light-gray);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    letter-spacing: 0.2em;
}

.header-nav ul {
    list-style: none;
    display: flex;
}

.header-nav li {
    margin-left: 2rem;
}

.header-nav a {
    text-decoration: none;
    color: var(--color-black);
    font-weight: 600;
    transition: color 0.3s;
}

.header-nav a:hover {
    color: var(--color-dark-gray); /* Efeito de hover sutil */
}

/* Seções Padrão */
section {
    padding: 6rem 5%;
    min-height: 100vh; /* Ocupa a tela inteira para maior impacto */
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

/* Seção de Introdução (Hero) */
.hero-section {
    background-color: var(--color-black);
    color: var(--color-white);
    text-align: left;
    align-items: flex-start; /* Alinhamento à esquerda para um visual moderno */
}

.intro-content {
    max-width: 800px;
}

.intro-content .subtitle {
    margin-top: 1.5rem;
    margin-bottom: 3rem;
}

/* Botões CTA */
.cta-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    border: 2px solid var(--color-white);
    background-color: transparent;
    color: var(--color-white);
    text-decoration: none;
    text-transform: uppercase;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
    letter-spacing: 0.1em;
}

.cta-button:hover {
    background-color: var(--color-white);
    color: var(--color-black);
}

.cta-button.secondary {
    border: 2px solid var(--color-black);
    background-color: transparent;
    color: var(--color-black);
}

.cta-button.secondary:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

/* Seção de Serviços - Grid Minimalista */
.services-section {
    background-color: var(--color-white);
    color: var(--color-black);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    max-width: 1200px;
    width: 100%;
}

.service-card {
    border: 1px solid var(--color-black);
    padding: 2.5rem;
    text-align: left;
    transition: background-color 0.3s, color 0.3s;
}

.service-card:hover {
    background-color: var(--color-black);
    color: var(--color-white);
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

/* Seção de Especialização (Quote Box) */
.expertise-section {
    background-color: var(--color-light-gray);
    color: var(--color-dark-gray);
}

.quote-box {
    font-size: 1.8rem;
    font-style: italic;
    font-weight: 300;
    max-width: 800px;
    padding: 2rem;
    border-left: 5px solid var(--color-black);
    margin: 2rem 0;
    line-height: 1.4;
    text-align: left;
}

/* Seção de Contato */
.contact-section {
    background-color: var(--color-white);
    color: var(--color-black);
}

/* Footer */
footer {
    padding: 1.5rem 5%;
    background-color: var(--color-dark-gray);
    color: var(--color-white);
    text-align: center;
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

/*
 * Media Query para Responsividade em telas menores
 */
@media (max-width: 768px) {
    .main-title {
        font-size: 3rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .hero-section {
        text-align: center;
        align-items: center;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .header-nav {
        flex-direction: column;
    }

    .header-nav nav ul {
        padding-top: 1rem;
        justify-content: center;
    }
    
    .header-nav li {
        margin: 0 0.75rem;
    }
}