/* Variáveis de Cores (NOVO TEMA FAZER.AI - ESCURO E ÂMBAR) */
:root {
    /* Cores do Tema Escuro */
    --dark-bg: #050505; /* Fundo principal escuro (quase preto) */
    --light-text: #ffffff; /* Cor dos títulos e textos principais */
    --gray-text: #afafaf; /* Cor do texto de suporte (como na fazer.ai) */
    --dark-card-bg: #171717; /* Fundo mais escuro para cards/navbar */
    --dark-border: #3d3d3d; /* Cor de borda sutil */
    
    /* Cores de Destaque (Âmbar/Laranja - Inspirado no Glow/Accent da fazer.ai) */
    --accent-color-1: #e46f03; /* Laranja Escuro/Destaque principal */
    --accent-color-2: #ffb168; /* Laranja Claro/Brilho */
    --accent-blue: #117de8; /* Azul para alguns destaques (como 'IA' na fazer.ai) */
    
    /* Reatribuição das variáveis originais para o novo tema */
    --primary-color: var(--accent-blue);
    --secondary-color: var(--gray-text);
    --accent-color: var(--accent-color-1);
    --text-color: var(--light-text);
    --light-text-color: var(--gray-text);
    --background-light: var(--dark-bg);
    --background-dark: var(--dark-card-bg);
    --white: var(--light-text);
    --dark: var(--light-text);
    --nav-background-color: var(--dark-card-bg);
    
    /* Cores para o botão do WhatsApp - Mantidas por ser cor de marca */
    --whatsapp-green: #25D366;
    --whatsapp-green-hover: #1DA851;
    --nubank-purple: #820AD1;
}

/* Base Geral do CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Poppins', Arial, sans-serif; 
    line-height: 1.6;
    color: var(--text-color); 
    background-color: var(--dark-bg); 
    padding-top: 80px; 
}

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

/* Tipografia e Títulos */
h1, h2, h3 {
    font-family: 'Poppins', Arial, sans-serif;
    color: var(--light-text);
    margin-bottom: 20px;
    line-height: 1.2;
}

h1 {
    font-size: 3.8rem !important;
    font-weight: 700;
    text-align: center;
}

h2 {
    font-size: 2.5em;
    font-weight: 600;
    text-align: center;
    margin-bottom: 40px;
}

h3 {
    font-size: 1.8em;
    font-weight: 600;
}

p {
    font-size: 1.1em;
    line-height: 1.7;
    margin-bottom: 15px;
    color: var(--gray-text);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--accent-color-2);
    text-decoration: none;
}

/* Botões Principal (.btn-primary) - ESTILO FAZER.AI COM GLOW ÂMBAR */
.btn-primary {
    display: inline-block;
    background: linear-gradient(180deg, var(--accent-color-2) 0%, var(--accent-color-1) 100%) !important;
    color: var(--dark-bg) !important;
    padding: 15px 30px;
    border-radius: 7px;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 1em;
    transition: all 0.4s ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary:hover {
    background-color: var(--accent-color-1);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(228, 111, 3, 0.5);
    text-decoration: none;
}

.btn-primary:active {
    transform: translateY(0);
}

/* --- CLASSES DE NAVEGAÇÃO E SEÇÕES PRINCIPAIS --- */

.main-nav {
    background-color: var(--dark-card-bg);
    color: var(--light-text);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: none;
    min-height: 80px;
    display: flex;
    align-items: center;
    padding: 0;
    border-bottom: 1px solid var(--dark-border); 
}

.main-nav .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 100%;
}

.main-nav .logo {
    max-width: 180px;
    height: auto;
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.8;
    display: block;
}

.main-nav .nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
    margin: 0;
    padding: 0;
}

.main-nav .nav-links li a {
    color: var(--gray-text); 
    font-weight: 500;
    font-size: 1em;
    text-decoration: none;
    padding: 10px 0;
    transition: color 0.3s ease;
    white-space: nowrap;
}

.main-nav .nav-links li a:hover {
    color: var(--light-text);
    text-decoration: none;
}

.main-nav .nav-links li a:focus {
    outline: 2px solid var(--accent-color-1);
    outline-offset: 2px;
}

/* Botão do Hambúrguer e Menu Mobile */
.hamburger-menu {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1001; 
}

.hamburger-menu .bar {
    width: 100%;
    height: 3px;
    background-color: var(--light-text);
    border-radius: 5px;
    transition: all 0.3s ease-in-out;
}

.mobile-menu {
    position: fixed;
    top: 80px; 
    left: 0;
    width: 100%;
    height: calc(100% - 80px);
    background-color: var(--dark-card-bg);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    transform: translateX(100%);
    transition: transform 0.3s ease-in-out;
    z-index: 999;
    overflow-y: auto;
}

.mobile-menu.active {
    transform: translateX(0);
}

.mobile-menu ul {
    list-style: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.mobile-menu ul li {
    text-align: center;
    margin: 15px 0;
}

.mobile-menu ul li a {
    color: var(--light-text);
    font-size: 1.3em;
    padding: 10px 20px;
    display: block;
    width: 100%;
    text-decoration: none;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.mobile-menu ul li a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--accent-color-1);
}

.mobile-menu ul li a:focus {
    outline: 2px solid var(--accent-color-1);
    outline-offset: 2px;
}


/* Header - Hero Section */
.hero-section {
    background: linear-gradient(rgba(5, 5, 5, 0.9), rgba(5, 5, 5, 0.9)), url('img/hero-background.jpg') no-repeat center center/cover;
    background-size: cover;
    background-position: center;
    color: var(--light-text);
    text-align: center;
    padding: 100px 0;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.hero-section .container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* ESTILO H1: gradiente âmbar/laranja */
.hero-section h1 {
    background: linear-gradient(180deg, var(--accent-color-2) 0%, var(--accent-color-1) 100%); 
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-size: 3.8rem !important;
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero-section h2 {
    color: var(--light-text);
    font-size: 1.8em;
    font-weight: 400;
    margin-bottom: 30px;
    text-align: center;
}

.hero-section p {
    color: var(--gray-text);
}

/* --- SEÇÕES E CARDS (Modularidade e Grid) --- */

section {
    padding: 80px 0;
    background-color: var(--dark-bg);
    color: var(--light-text);
}

section.bg-light {
    background-color: var(--dark-card-bg);
}

/* CORREÇÃO PARA GARANTIR LAYOUT EM GRID LADO A LADO */
.problems-grid, .services-grid, .why-us-grid, .testimonials-grid {
    display: grid; 
    /* Força no mínimo 300px por coluna e preenche o espaço disponível */
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); 
    gap: 30px;
    margin-top: 40px;
    text-align: center;
}

/* Estilo Base do Card */
.problem-item, .service-item, .why-us-item, .testimonial-item {
    background-color: var(--dark-card-bg);
    padding: 30px;
    border-radius: 23px;
    border: 1px solid var(--dark-border); 
    box-shadow: none;
    transition: all 0.4s ease;
    /* Aplicando display flex e alinhamento para cartões mais limpos e centrados */
    display: flex; 
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Efeito Hover do Card (Glow Âmbar) */
.problem-item:hover, .service-item:hover, .why-us-item:hover, .testimonial-item:hover {
    transform: none; 
    box-shadow: 0 0 20px rgba(228, 111, 3, 0.6);
    border-color: var(--accent-color-2);
}

.problem-item i, .service-item i, .why-us-item i {
    font-size: 3.5em;
    color: var(--accent-color-1);
    margin-bottom: 20px;
}

.service-item h3, .why-us-item h3 {
    color: var(--light-text);
}

.problem-item p, .service-item p, .why-us-item p, .testimonial-item p {
    color: var(--gray-text);
}


/* Testimonials Section (Ajustes específicos) */
.testimonials-section {
    background-color: var(--dark-bg);
}

.testimonial-item strong {
    font-weight: 600;
    color: var(--light-text);
    font-size: 0.95em;
    display: block;
}


/* Seção de Logos de Clientes */
.clients-logo-title {
    color: var(--light-text);
    font-size: 1.6em;
    font-weight: 600;
    margin-bottom: 40px;
    text-align: center;
}

.clients-logo-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 40px;
    max-width: 900px;
    margin: 0 auto;
    filter: brightness(1.2); 
}

.clients-logo-grid img {
    max-width: 150px;
    height: auto;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.clients-logo-grid img:hover {
    filter: grayscale(0%) brightness(1.5);
    opacity: 1;
}


/* Contact Section (FORMATANDO O LAYOUT E INPUTS) */
.contact-section {
    background-color: var(--dark-card-bg);
    color: var(--light-text);
    padding: 80px 0;
    text-align: center;
    border-top: 1px solid var(--dark-border);
}

.contact-content {
    /* Layout de duas colunas para desktop */
    display: flex;
    align-items: flex-start; 
    justify-content: center;
    gap: 80px;
    flex-wrap: wrap;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.contact-text {
    flex: 1;
    min-width: 350px;
    max-width: 480px;
    text-align: left;
}

.contact-section h2 {
    color: var(--light-text);
    text-align: left;
}

.contact-section p {
    color: var(--gray-text);
    text-align: left;
}

.contact-section form {
    flex: 1;
    min-width: 400px;
    max-width: 550px;
    background-color: var(--dark-bg);
    padding: 40px;
    border-radius: 23px;
    border: 1px solid var(--dark-border);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
    text-align: left;
    margin: 0;
    
    /* Layout em coluna para campos */
    display: flex;
    flex-direction: column; 
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--gray-text);
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--dark-border);
    background-color: var(--dark-card-bg);
    border-radius: 4px;
    font-size: 1em;
    color: var(--light-text);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="tel"]:focus,
.form-group textarea:focus {
    border-color: var(--accent-color-1);
    box-shadow: 0 0 0 2px rgba(228, 111, 3, 0.4);
    outline: none;
}

.form-group textarea {
    resize: vertical;
}

.contact-section .btn-primary {
    width: 100%;
}

#form-message {
    color: var(--light-text);
}

#form-message.success {
    background-color: var(--whatsapp-green);
}

#form-message.error {
    background-color: var(--accent-color-1);
}

.hidden {
    display: none;
}

/* Footer (AJUSTADO PARA O TEMA ESCURO) */
footer {
    background-color: var(--dark-bg);
    color: var(--light-text);
    padding: 40px 0;
    text-align: center;
    border-top: 1px solid var(--dark-border);
}

footer .footer-logo {
    filter: grayscale(100%) brightness(1.5);
    opacity: 0.8;
}

.social-links a:hover {
    color: var(--accent-color-1);
}

.footer-links a {
    color: var(--gray-text);
}

.footer-links a:hover {
    color: var(--light-text);
}

/* Botão Flutuante do WhatsApp */
.whatsapp-button {
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.6);
}


/* --- RESPONSIVIDADE --- */

/* Corrigindo a quebra de linha forçada em telas menores para cards e contato */
@media (max-width: 1023px) { /* Tablet e Mobile */
    
    .contact-content {
        flex-direction: column; /* FORÇA COLUNA em telas menores */
        align-items: center;
        gap: 30px;
        padding: 0 20px;
    }
    .contact-text,
    .contact-section form {
        max-width: 100%;
        min-width: auto;
        width: 100%;
        padding: 30px;
    }
    .contact-section h2, .contact-section p {
        text-align: center;
    }
    .contact-section h2 {
        font-size: 2em;
    }
    .contact-section p {
        font-size: 1em;
    }
    
    /* Garante 1 coluna para cards em tablets */
    .problems-grid, .services-grid, .why-us-grid, .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* Restante das media queries */
    .container {
        padding: 0 20px;
    }
    h1 {
        font-size: 2.2em;
    }
    h2 {
        font-size: 1.8em;
    }
    h3 {
        font-size: 1.4em;
    }
    p {
        font-size: 1em;
    }
    .main-nav {
        min-height: 80px;
    }
    .main-nav .container {
        padding: 0 20px;
    }
    .main-nav .logo {
        max-width: 200px;
    }
    .main-nav .nav-links {
        display: none;
    }

    .hero-section {
        min-height: 400px;
        padding: 60px 0;
    }
    .hero-section h1 {
        font-size: 1.8em;
    }
    .hero-section h2 {
        font-size: 1.4em;
    }
    .hero-section p {
        font-size: 0.9em;
    }

    .problem-item, .service-item, .why-us-item, .testimonial-item {
        padding: 25px;
        border-radius: 20px;
    }

}

@media (max-width: 767px) { /* Mobile */
    h1 {
        font-size: 2em;
    }
    h2 {
        font-size: 1.6em;
    }
    .btn-primary {
        padding: 12px 20px;
        font-size: 0.9em;
    }
    .whatsapp-button {
        width: 45px;
        height: 45px;
        font-size: 1.6em;
        bottom: 15px;
        right: 15px;
    }
    .clients-logo-grid img {
        max-width: 80px;
    }
    footer p {
        font-size: 0.8em;
    }
    .footer-links a {
        font-size: 0.8em;
    }

    .hamburger-menu.active .bar:nth-child(1) {
        transform: translateY(9px) rotate(45deg);
    }
    .hamburger-menu.active .bar:nth-child(3) {
        transform: translateY(-9px) rotate(-45deg);
    }
}