/* Reset e Variáveis */
:root {
    --primary-color: #e53935;
    --primary-rgb: 229, 57, 53;
    --secondary-color: #2b2b2b;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navegação */
/* Navegação */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--white);
    /* Corrigido de 'shadow' para 'box-shadow' */
    box-shadow: 0 2px 10px rgba(0,0,0,0.1); 
    z-index: 1000;
    padding: 1rem 0;
    /* Adicionado para suavizar a transição da sombra */
    transition: box-shadow 0.3s ease, padding 0.3s ease; 
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Esta classe será controlada pelo seu JavaScript (window.scrollY > 100) */
.navbar.scrolled {
    box-shadow: 0 2px 20px rgba(0,0,0,0.15);
    padding: 0.7rem 0; /* Opcional: dá um efeito de "encolher" ao rolar */
}



.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo img {
    height: 42px;
    width: auto;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    background: none;
    border: 0;
    padding: 0;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    margin: 3px 0;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding: 150px 0 100px;
    background: linear-gradient(135deg, #4b4f56 0%, #1f2126 100%);
    color: var(--white);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-text h1 {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.hero-text h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 400;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.hero-image img {
    width: 100%;
    max-width: 600px;
}

/* Botões */
.btn-primary {
    display: inline-block;
    padding: 12px 30px;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

.btn-small {
    padding: 10px 26px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border-radius: 24px;
    font-size: 1rem;
    transition: var(--transition);
}

/* Seções Gerais */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

/* Sobre */
.about {
    background: var(--light-bg);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat h3 {
    font-size: 3rem;
    color: var(--primary-color);
}

/* Serviços */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    transition: var(--transition);
}

.service-image {
    width: 100%;
    height: 180px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.service-card h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Por que escolher */
.why-choose {
    background: var(--light-bg);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.benefit {
    text-align: center;
    padding: 2rem;
}

.benefit-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.benefit h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Portfólio */
.portfolio-grid {
    display: grid;
    /* Cria 3 colunas de tamanhos iguais */
    grid-template-columns: repeat(3, 1fr); 
    gap: 2rem;
    /* Centraliza os itens quando houver menos que 3 na última linha */
    justify-content: center; 
}

/* Quando houver apenas 4 itens, o quarto item ocupará a segunda linha. 
   Para centralizá-lo sozinho embaixo, usamos este truque: */
.portfolio-item:last-child:nth-child(3n + 1) {
    grid-column: 2; /* Coloca o 4º item na coluna do meio */
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.portfolio-item img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(var(--primary-rgb), 0.9);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
    color: var(--white);
    padding: 2rem;
    text-align: center;
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

/* Contato */
.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1.1rem;
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-status {
    display: none;
    padding: 10px 12px;
    border-radius: 6px;
    border: 1px solid #ddd;
    background: var(--light-bg);
    font-size: 0.95rem;
}

.form-status.is-visible {
    display: block;
}

.form-status.is-success {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.form-status.is-error {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

.contact-form button[disabled] {
    opacity: 0.75;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Footer */
.footer {
    background: var(--secondary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem 0;
}

.social-links {
    margin-bottom: 1rem;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: var(--transition);
}

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

/* Responsivo */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        padding: 2rem 0;
        box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: flex;
    }

    .hero-content,
    .about-content,
    .contact-content {
        grid-template-columns: 1fr;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .hero-text h2 {
        font-size: 1.5rem;
    }
}

/* Responsividade para Celular */
@media (max-width: 992px) {
    .portfolio-grid {
        grid-template-columns: repeat(2, 1fr); /* 2 por linha em tablets */
    }
    .portfolio-item:last-child:nth-child(3n + 1) {
        grid-column: auto; /* Reseta o posicionamento centralizado no mobile */
    }
}

@media (max-width: 600px) {
    .portfolio-grid {
        grid-template-columns: 1fr; /* 1 por linha no celular */
    }
}