/* RESET E CONFIGURAÇÕES GERAIS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Roboto', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #fff;
}

:root {
    --azul: #004d99;
    --laranja: #ff6600;
    --verde-whatsapp: #25D366;
    --bg-claro: #ffffff;
    --bg-escuro: #f4f7f9;
}

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

.section {
    padding: 80px 0;
}

.section h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.2em;
    font-weight: 700;
    color: var(--azul);
}

/* CORES E FUNDOS */
.dark-bg {
    background-color: var(--bg-escuro);
}

.light-bg {
    background-color: var(--bg-claro);
}

/* HEADER/HERO */
.hero {
    background: radial-gradient(ellipse at 30% 10%, rgba(0,77,153,0.6), rgba(0,0,0,0.6)), url('seu-background-comercial.jpg') no-repeat center center/cover;
    color: #fff;
    text-align: center;
    padding: 150px 0;
}

.hero-title {
    font-size: 3.5em;
    margin-bottom: 20px;
    font-weight: 900;
}

.hero-subtitle {
    font-size: 1.5em;
    margin-bottom: 40px;
    font-weight: 300;
}

.cta-button {
    display: inline-block;
    background-color: var(--laranja);
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 700;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: #cc5200;
}

.cta-button.secondary {
    margin-left: 15px;
    background-color: transparent;
    border: 2px solid #fff;
}

.cta-button.secondary:hover {
    background-color: rgba(255,255,255,0.1);
}

/* CARDS (SEÇÃO DESAFIO) */
.card-grid {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.card {
    background: #fff;
    padding: 30px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    flex: 1;
    max-width: 350px;
    text-align: center;
}

.card h3 {
    color: #ff6600;
    margin-bottom: 15px;
    font-size: 1.4em;
}

/* FRENTES DE IA (SEÇÃO SOLUÇÃO) */
.frentes-grid {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    text-align: center;
}

.frente-item {
    flex: 1;
    padding: 20px;
    border-left: 3px solid var(--azul);
}

.frente-icon {
    font-size: 3em;
    display: block;
    margin-bottom: 10px;
}

/* ARQUITETURA */
.arquitetura-grid {
    display: flex;
    gap: 40px;
    justify-content: center;
}

.arquitetura-item {
    flex: 1;
    max-width: 300px;
    text-align: center;
    padding: 40px 20px;
    background: #e6f2ff;
    border-radius: 10px;
}

.arquitetura-number {
    display: inline-block;
    background: var(--azul);
    color: #fff;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 15px;
}

/* ROADMAP TABLE */
.roadmap-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 40px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.roadmap-table th, .roadmap-table td {
    padding: 18px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

.roadmap-table th {
    background-color: var(--azul);
    color: #fff;
    font-weight: 700;
    text-transform: uppercase;
}

.roadmap-table tr:nth-child(even) {
    background-color: #f9f9f9;
}

/* INSIGHTS (BLOCKQUOTES) */
.insight-quote {
    background: #f0f8ff;
    padding: 30px;
    margin: 20px auto;
    border-left: 5px solid #ff6600;
    font-style: italic;
    font-size: 1.1em;
    line-height: 1.8;
    max-width: 800px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

/* CTA FINAL */
.final-cta {
    background-color: #004d99;
    color: #fff;
    text-align: center;
    padding: 60px 0;
}

.final-cta h2 {
    color: #fff;
}

.contact-form {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    max-width: 500px;
    margin: 30px auto 0;
}

.contact-form input {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 5px;
    font-size: 1em;
}

.contact-form .cta-button {
    width: 100%;
    background-color: #ff6600;
}

/* RODAPÉ */
footer {
    background-color: #222;
    color: #aaa;
    text-align: center;
    padding: 20px 0;
    font-size: 0.9em;
}

/* RESPONSIVIDADE */
@media (max-width: 900px) {
    .card-grid, .frentes-grid, .arquitetura-grid {
        flex-direction: column;
    }
    
    .card, .frente-item, .arquitetura-item {
        max-width: 100%;
    }

    .hero {
        padding: 100px 0;
    }

    .hero-title {
        font-size: 2.5em;
    }

    .section h2 {
        font-size: 1.8em;
    }

    .roadmap-table th, .roadmap-table td {
        padding: 12px;
        font-size: 0.9em;
    }
}

/* --- ESTILOS PARA DETALHAMENTO DE IA (NOVA SEÇÃO) --- */

.detalhe-intro {
    text-align: center;
    margin-bottom: 40px;
    font-size: 1.1em;
}

.ia-detalhe {
    background: #fff;
    padding: 30px;
    margin: 30px 0;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.ia-detalhe h3 {
    color: var(--azul);
    font-size: 1.8em;
    margin-bottom: 15px;
    border-bottom: 2px solid #e6f2ff;
    padding-bottom: 10px;
}

.ia-detalhe p {
    margin-bottom: 10px;
}

.ia-detalhe ul {
    list-style-type: disc;
    margin-left: 25px;
    margin-bottom: 15px;
}

/* Estilo para os números/links na Seção 3: Arquitetura */
.arquitetura-number {
    /* Manter o estilo visual de círculo, mas adicionar efeito de link */
    display: inline-block;
    background: #004d99;
    color: #fff;
    width: 50px;
    height: 50px;
    line-height: 50px;
    border-radius: 50%;
    font-size: 1.5em;
    font-weight: 700;
    margin-bottom: 15px;
    text-decoration: none; /* Remover sublinhado padrão do link */
    transition: background-color 0.3s;
    cursor: pointer;
}

.arquitetura-number:hover {
    background: var(--laranja);
}

/* Botão de Retorno */
.return-button {
    background-color: var(--laranja);
    color: #fff;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: 700;
    margin-top: 15px;
    transition: background-color 0.3s;
}

.return-button:hover {
    background-color: #cc5200;
}

/* Efeito de Destaque Rápido (usado no JS) */
.highlight {
    box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.5) !important;
    transition: box-shadow 0.3s ease-in-out;
}

/* IDs de Âncoras para retorno (opcional, para visualização de destaque) */
#origem-geo, #origem-ml, #origem-llm {
    /* Adiciona um ID de âncora invisível que pode ser destacado */
    padding: 1px; /* Para garantir que o box-shadow funcione */
    border-radius: 50%;
}

/* ESTILO DO BOTÃO FLUTUANTE DO WHATSAPP */
.whatsapp-button {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: var(--verde-whatsapp);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s;
}

.whatsapp-button img {
    width: 35px; /* Tamanho do ícone */
    height: 35px;
}

.whatsapp-button:hover {
    transform: scale(1.1);
}

/* --- ESTILO PARA O BOTÃO WHATSAPP NO HERO --- */

.cta-whatsapp-hero {
    /* Herda o posicionamento do cta-button original */
    display: inline-flex; 
    align-items: center; /* Centraliza verticalmente o ícone e o texto */
    gap: 10px; /* Espaço entre o ícone e o texto */
    
    /* Cores e dimensões */
    background-color: var(--verde-whatsapp);
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    font-size: 1.1em;
    font-weight: 700;
    border-radius: 5px;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-whatsapp-hero:hover {
    background-color: #1FAF59;
}

.cta-whatsapp-hero img {
    width: 20px; /* Ajuste o tamanho do ícone */
    height: 20px;
}

.skip-link {
    position: absolute;
    left: -10000px;
    top: auto;
    width: 1px;
    height: 1px;
    overflow: hidden;
}
.skip-link:focus {
    left: 20px;
    top: 20px;
    width: auto;
    height: auto;
    background: #000;
    color: #fff;
    padding: 10px 15px;
    border-radius: 5px;
}

.reveal { opacity: 0; transform: translateY(24px); }
.reveal.revealed { opacity: 1; transform: translateY(0); transition: opacity .6s ease, transform .6s ease; }

.diagnostico-modal {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    z-index: 2000;
}
.diagnostico-dialog {
    background: #fff;
    max-width: 720px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.2);
    padding: 24px;
}
.diagnostico-fechar {
    position: absolute;
    right: 28px;
    top: 18px;
    background: transparent;
    border: none;
    font-size: 24px;
    cursor: pointer;
}
.diagnostico-sub { text-align: center; margin-bottom: 16px; }
.diagnostico-resultado { margin-top: 18px; }
.diagnostico-resultado h3 { color: var(--azul); margin-bottom: 8px; }
.diagnostico-modal[aria-hidden="false"] { display: flex; }