@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;600;700;800&family=Open+Sans:wght@300;400;600&display=swap');

/* --- 1. Configuração Global e Paleta de Cores --- */
:root {
    --cor-primaria: #00798C;   /* Azul-Petróleo */
    --cor-secundaria: #012A4A; /* Azul-Escuro Forte */
    --cor-destaque: #43B5C4;   /* Azul-Claro Ciano */
    --cor-texto: #222;
    --cor-fundo-claro: #f8fbfd;
    --cor-branca: #ffffff;
    --cor-sombra: 0 10px 30px rgba(0,0,0,0.1);
}

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

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--cor-texto);
    background-color: var(--cor-branca);
    overflow-x: hidden;
}

.container {
    max-width: 1200px; 
    margin: 0 auto;
    padding: 0 25px;
}

h1, h2, h3, h4 {
    font-family: 'Montserrat', sans-serif;
    color: var(--cor-secundaria);
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.1;
    color: var(--cor-secundaria);
}
h2 {
    font-size: 2.8rem;
    margin-bottom: 2rem;
    text-align: center;
}
h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}
h4 {
    font-size: 1.35rem;
    margin-bottom: 0.8rem;
}

p {
    margin-bottom: 1.2rem;
    font-size: 1.1rem;
}

section {
    padding: 6rem 0;
    position: relative;
}

/* --- 2. Cabeçalho e Navegação --- */
.header {
    background: var(--cor-branca);
    padding: 0.5rem 0; 
    border-bottom: 1px solid #e9ecef;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

/* LOGO (Imagem Estática) */
.logo-img {
    height: 110px; 
    width: auto;
    display: block;
    object-fit: contain; 
    transition: transform 0.3s ease;
}

.main-nav ul {
    display: flex;
    list-style: none;
    transition: all 0.3s ease;
}

.main-nav li {
    margin-left: 30px; 
}

.main-nav a {
    text-decoration: none;
    color: var(--cor-texto);
    font-weight: 700;
    padding: 8px 0;
    font-size: 1.15rem;
    position: relative;
    transition: color 0.3s ease;
    letter-spacing: 0.5px;
}

.main-nav a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 3px;
    background-color: var(--cor-primaria);
    transition: width 0.3s ease;
}

.main-nav a:hover::after,
.main-nav a.ativo::after {
    width: 100%;
}

/* Menu Hamburger */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    cursor: pointer;
    z-index: 101; 
}

.menu-toggle span {
    display: block;
    height: 3px;
    width: 100%;
    background: var(--cor-secundaria);
    border-radius: 10px;
    transition: all 0.3s ease-in-out;
}

.menu-toggle.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.open span:nth-child(2) {
    opacity: 0;
}
.menu-toggle.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* --- 3. Rodapé --- */
.footer {
    background: var(--cor-secundaria);
    color: var(--cor-branca);
    text-align: center;
    padding: 3.5rem 0;
}

.footer p {
    margin-bottom: 0.7rem;
    font-size: 0.95rem;
}

.footer a {
    color: var(--cor-destaque);
    text-decoration: none;
    transition: color 0.3s;
}
.footer a:hover {
    color: var(--cor-branca);
    text-decoration: underline;
}

/* --- 4. Estilos da Página "Home" - ÁREA DO VÍDEO (FAIXA ESTREITA 20vh) --- */
.hero {
    position: relative; 
    background-color: var(--cor-secundaria); 
    height: 20vh; /* Faixa estreita conforme solicitado (aprox 10-20% da tela) */
    min-height: 150px;
    padding: 0; 
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover; /* Preenche a faixa sem bordas */
    object-position: center;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2); 
    z-index: 1;
}

/* --- 4.1 Texto Principal --- */
.hero-content-moved {
    background: var(--cor-branca);
    padding: 5rem 0;
    text-align: center;
    border-bottom: 1px solid #eee;
}

.hero-content-moved h1 {
    color: var(--cor-secundaria);
    font-size: 3.2rem;
    max-width: 900px;
    margin: 0 auto 1.5rem auto;
}

.hero-content-moved p {
    font-size: 1.4rem;
    color: #555;
    max-width: 800px;
    margin: 0 auto 2.5rem auto;
    font-weight: 300;
}

.btn-cta {
    display: inline-block;
    background: var(--cor-destaque);
    color: var(--cor-secundaria); 
    padding: 1.3rem 4rem; 
    text-decoration: none;
    font-weight: bold;
    border-radius: 50px;
    border: none;
    cursor: pointer;
    font-size: 1.3rem;
    box-shadow: 0 8px 15px rgba(0,0,0,0.25);
    transition: background-color 0.3s ease, transform 0.3s, box-shadow 0.3s;
}

.btn-cta:hover {
    background: var(--cor-primaria);
    color: var(--cor-branca);
    transform: translateY(-4px) scale(1.03); 
    box-shadow: 0 12px 25px rgba(0,0,0,0.3);
}

/* --- Demais Seções --- */
.valores {
    background: var(--cor-fundo-claro);
    text-align: center;
    border-top: 1px solid #e0e0e0;
}

.valores h2 {
    color: var(--cor-primaria);
    margin-bottom: 2rem;
}

.valores-container {
    max-width: 900px;
    margin: 0 auto;
}

.solucoes {
    background-color: var(--cor-branca);
}

.solucoes-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* 4 colunas em linha */
    gap: 2rem;
}

.solucao-card {
    background: var(--cor-branca);
    padding: 3rem;
    border-radius: 15px; 
    box-shadow: var(--cor-sombra);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.solucao-card:hover {
    transform: translateY(-12px); 
    box-shadow: 0 20px 40px rgba(0,0,0,0.18);
}

.solucao-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 6px; 
    background: var(--cor-primaria);
    transform: translateX(-100%);
    transition: transform 0.4s ease-out;
}
.solucao-card:hover::before {
    transform: translateX(0);
}

.solucao-card .icon {
    font-size: 3.5rem;
    color: var(--cor-destaque);
    margin-bottom: 1.5rem;
    transition: color 0.3s;
}
.solucao-card:hover .icon {
    color: var(--cor-primaria);
}

.solucao-card h3 {
    color: var(--cor-primaria);
    font-size: 1.6rem;
    margin-bottom: 1rem;
}
.solucao-card p {
    font-size: 1rem;
    color: #666;
}

/* --- NOVA SEÇÃO: Expertise Técnica e Modelagem --- */
.expertise-section {
    background-color: var(--cor-branca);
    padding: 6rem 0;
}

.expertise-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 4rem auto;
}

.expertise-header h2 {
    font-size: 2.8rem;
    color: var(--cor-secundaria);
    margin-bottom: 1.5rem;
}

.expertise-header p {
    font-size: 1.2rem;
    color: #555;
}

/* Timeline do GAC */
.gac-steps {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    gap: 2rem;
    margin-bottom: 6rem;
    position: relative;
}

.gac-steps::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 50px;
    right: 50px;
    height: 4px;
    background: #e9ecef;
    z-index: 0;
    display: block;
}

.gac-step-card {
    flex: 1;
    min-width: 280px;
    background: var(--cor-fundo-claro);
    padding: 2rem;
    border-radius: 12px;
    position: relative;
    z-index: 1;
    border: 1px solid #eee;
    transition: transform 0.3s ease;
    text-align: center;
}

.gac-step-card:hover {
    transform: translateY(-5px);
    border-color: var(--cor-primaria);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--cor-primaria);
    color: white;
    font-weight: 800;
    font-size: 1.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: -3rem auto 1.5rem auto;
    border: 5px solid var(--cor-branca);
}

.gac-step-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--cor-secundaria);
}

.gac-step-card ul {
    list-style: none;
    padding: 0;
    text-align: left;
    margin-top: 1rem;
}

.gac-step-card ul li {
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
    padding-left: 20px;
    position: relative;
    color: #444;
}

.gac-step-card ul li::before {
    content: "•";
    color: var(--cor-destaque);
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* Grid de Modelagem */
.modeling-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 4rem;
}

.modeling-card {
    background: linear-gradient(145deg, var(--cor-secundaria) 0%, #001f38 100%);
    color: var(--cor-branca);
    padding: 3rem;
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.modeling-card:hover {
    transform: translateY(-5px);
}

.modeling-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(67, 181, 196, 0.2) 0%, rgba(0,0,0,0) 70%);
    border-radius: 50%;
    transform: translate(30%, -30%);
}

.modeling-card h3 {
    color: var(--cor-destaque);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid rgba(255,255,255,0.1);
    padding-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modeling-card p {
    color: rgba(255,255,255,0.9);
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

.modeling-card ul {
    list-style: none;
    padding: 0;
}

.modeling-card ul li {
    margin-bottom: 0.8rem;
    padding-left: 25px;
    position: relative;
    color: #e0e0e0;
}

.modeling-card ul li::before {
    content: "\f058";
    font-family: "Font Awesome 5 Free";
    font-weight: 900;
    color: var(--cor-destaque);
    position: absolute;
    left: 0;
    top: 2px;
}

/* --- NOVA SEÇÃO: LINKS ÚTEIS --- */
.links-uteis {
    background-color: var(--cor-fundo-claro);
    padding: 5rem 0;
    border-top: 1px solid #e0e0e0;
}

.links-uteis h2 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--cor-primaria);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
    text-align: center;
}

.link-card {
    background: var(--cor-branca);
    padding: 1.5rem;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    text-decoration: none;
    color: var(--cor-secundaria);
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.link-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0,0,0,0.1);
    border-color: var(--cor-destaque);
}

.link-card i {
    font-size: 2rem;
    color: var(--cor-primaria);
    margin-bottom: 0.8rem;
}

.link-card span {
    font-weight: 700;
    font-size: 1rem;
}

/* Seção de Contadores */
.stats-section {
    background: linear-gradient(to right, var(--cor-primaria), #004d80);
    padding: 4rem 0;
    color: var(--cor-branca);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.counter-box {
    padding: 1rem;
}

.counter-box span {
    display: block;
    font-size: 3.5rem;
    font-weight: 800;
    font-family: 'Montserrat', sans-serif;
    color: var(--cor-destaque);
    margin-bottom: 0.5rem;
}

.counter-box p {
    font-size: 1.2rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 0;
}

/* --- 5. Estilos da Página "Sobre" --- */
.pagina-header {
    background: linear-gradient(45deg, var(--cor-fundo-claro), #e0eff5);
    padding: 4rem 0;
    text-align: center;
    border-bottom: 3px solid var(--cor-destaque);
}

.pagina-header h1 {
    font-size: 3.5rem;
    color: var(--cor-secundaria);
}

.equipe-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: flex-start;
    margin-top: 4rem;
}

.perfil {
    text-align: center;
    padding: 2.5rem;
    border-radius: 12px;
    background: var(--cor-fundo-claro);
    box-shadow: var(--cor-sombra);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.perfil:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.12);
}

.perfil img {
    width: 220px;
    height: 220px;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1.8rem;
    border: 7px solid var(--cor-branca);
    box-shadow: 0 6px 12px rgba(0,0,0,0.15);
}

.perfil h3 {
    font-size: 1.8rem;
    color: var(--cor-primaria);
}

.perfil p {
    font-size: 1.05rem;
    max-width: 500px;
    margin: 0.8rem auto 0;
    color: #666;
}

/* --- 6. Estilos da Página "Serviços" --- */
.servicos-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5rem;
}

.servico-categoria {
    border-bottom: 2px solid #e0e0e0;
    padding-bottom: 4rem;
}
.servico-categoria:last-child {
    border-bottom: none;
}

.servico-categoria h2 {
    font-size: 2.8rem;
    color: var(--cor-primaria);
    border-bottom: 5px solid var(--cor-destaque);
    display: inline-block;
    padding-bottom: 10px;
    margin-bottom: 3.5rem;
    text-align: left; 
    width: auto;
}

.servico-item {
    display: grid;
    grid-template-columns: 1.2fr 1.8fr;
    gap: 3.5rem;
    align-items: center;
    margin-bottom: 3.5rem;
    padding: 3rem; 
    background: var(--cor-fundo-claro);
    border-radius: 15px; 
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.servico-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.servico-item:nth-child(odd) {
    border-left: 6px solid var(--cor-primaria);
}
.servico-item:nth-child(even) {
    grid-template-columns: 1.8fr 1.2fr;
    border-right: 6px solid var(--cor-primaria);
    border-left: none;
}

.servico-item:nth-child(even) .servico-texto {
    grid-column: 1;
    grid-row: 1;
}

.servico-item:nth-child(even) .servico-imagem {
    grid-column: 2;
    grid-row: 1;
}

.servico-imagem {
    width: 100%;
    background-color: transparent; 
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.servico-imagem img {
    width: 100%;
    height: auto; 
    object-fit: contain; 
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.servico-texto h4 {
    font-size: 1.7rem;
    color: var(--cor-secundaria);
    margin-bottom: 1.2rem;
}

.servico-texto ul {
    list-style: none;
    padding: 0;
    margin-top: 1.8rem;
}

.servico-texto ul li {
    margin-bottom: 0.8rem;
    position: relative;
    padding-left: 30px;
    font-size: 1.05rem;
    color: #444;
}
.servico-texto ul li::before {
    content: "✓";
    color: var(--cor-primaria);
    position: absolute;
    left: 0;
    font-size: 1.2rem;
    font-weight: bold;
}

/* Custo-Benefício */
.estrategia-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2.5rem;
    text-align: center;
    margin-top: 3.5rem;
}

.estrategia-card {
    background: var(--cor-branca);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 6px 18px rgba(0,0,0,0.08);
    border-top: 6px solid var(--cor-destaque);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.estrategia-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.12);
}

.estrategia-card h4 {
    color: var(--cor-primaria);
    font-size: 1.45rem;
}
.estrategia-card p {
    color: #666;
}

.estrategia-card.beneficio {
    background: var(--cor-primaria);
    border-top: 6px solid var(--cor-branca);
}

.estrategia-card.beneficio h4 {
    color: var(--cor-branca);
}
.estrategia-card.beneficio p {
    color: var(--cor-fundo-claro);
}

/* --- 7. Estilos da Página "Contato" --- */
.contato-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4.5rem;
    align-items: flex-start;
}

.contato-info {
    padding: 2.5rem;
    background: var(--cor-fundo-claro);
    border-radius: 12px;
    box-shadow: var(--cor-sombra);
}

.contato-info h3 {
    font-size: 2rem;
    color: var(--cor-primaria);
    margin-bottom: 1.5rem;
}

.contato-info p {
    font-size: 1.15rem;
    margin-bottom: 1.8rem;
    color: #555;
}

.contato-info strong {
    color: var(--cor-secundaria);
}

.contato-info a {
    color: var(--cor-primaria);
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s, text-decoration 0.3s;
}

.contato-info a:hover {
    color: var(--cor-secundaria);
    text-decoration: underline;
}

.contato-form form {
    padding: 3rem;
    border: 1px solid #e0e0e0;
    border-radius: 12px;
    box-shadow: var(--cor-sombra);
    background: var(--cor-branca);
}
.contato-form h3 {
    margin-top: 0;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--cor-primaria);
}

#contact-form label {
    font-weight: 600;
    display: block;
    margin-bottom: 0.7rem;
    color: var(--cor-secundaria);
    font-size: 1.05rem;
}

#contact-form input,
#contact-form textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid #ced4da;
    border-radius: 8px;
    font-size: 1.05rem;
    font-family: 'Open Sans', sans-serif;
    margin-bottom: 1.5rem;
    background-color: #fcfdff;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

#contact-form input:focus,
#contact-form textarea:focus {
    outline: none;
    border-color: var(--cor-primaria);
    box-shadow: 0 0 8px rgba(0, 121, 140, 0.3);
}

#contact-form textarea {
    min-height: 180px;
    resize: vertical;
}

/* --- 8. Responsividade --- */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }
    .logo-img {
        height: 90px; 
    }
    h1 { font-size: 3rem; }
    h2 { font-size: 2.2rem; }
    
    .hero { height: 20vh; } 
    .hero-content-moved h1 { font-size: 2.5rem; }
    .hero-content-moved p { font-size: 1.1rem; }
    .btn-cta { padding: 1rem 2.5rem; font-size: 1.1rem; }

    .solucoes-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        gap: 2rem;
    }

    .equipe-grid, .contato-grid, .stats-grid, .modeling-grid {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    
    .servico-categoria h2 {
        font-size: 2.2rem;
        text-align: center;
        width: 100%;
        margin-bottom: 2.5rem;
    }
    .servico-item, .servico-item:nth-child(even) {
        grid-template-columns: 1fr;
        gap: 2rem;
        padding: 1.5rem;
        border: none;
        border-radius: 12px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.08);
        border-top: 6px solid var(--cor-primaria);
    }
    .servico-item:nth-child(even) .servico-texto {
        grid-column: 1;
        grid-row: 2;
    }
    .servico-item:nth-child(even) .servico-imagem {
        grid-column: 1;
        grid-row: 1;
    }
    .servico-imagem { height: auto; }
    .servico-texto h4 { font-size: 1.4rem; }

    .counter-box span {
        font-size: 3rem;
    }
    .counter-box p {
        font-size: 1.1rem;
    }
    
    .gac-steps::before { display: none; }
    .modeling-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .logo-img {
        height: 60px;
    }
    .header .container {
        justify-content: space-between;
    }

    .main-nav ul {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--cor-secundaria);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 99;
        transform: translateY(-100%);
        transition: transform 0.5s ease-in-out;
    }

    .main-nav ul.active {
        display: flex;
        transform: translateY(0);
    }
    
    .main-nav li {
        margin: 20px 0;
    }

    .main-nav a {
        color: var(--cor-branca);
        font-size: 1.5rem;
    }
    .main-nav a::after {
        background-color: var(--cor-destaque);
    }

    .menu-toggle {
        display: flex;
    }

    h1 { font-size: 2.5rem; }
    h2 { font-size: 1.8rem; }
    h3 { font-size: 1.5rem; }

    .hero { height: 15vh; }
    .btn-cta { padding: 0.9rem 2rem; font-size: 1rem; }
}