/* =========================================
   VARIÁVEIS E RESET
========================================= */
:root {
    --cor-primaria: #004b87; /* Azul forte da marca */
    --cor-secundaria: #0066cc;
    --cor-texto: #444;
    --cor-fundo: #ffffff;
    --cor-fundo-claro: #f8f9fa;
    --cor-borda: #e0e0e0;
    --fonte-principal: 'Poppins', sans-serif;
    --transicao: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: var(--fonte-principal); color: var(--cor-texto); line-height: 1.6; overflow-x: hidden; }
a { text-decoration: none; color: inherit; transition: var(--transicao); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

/* =========================================
   ESTRUTURA GLOBAL
========================================= */
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section-padding { padding: 80px 0; }
.grid-2-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.align-center { align-items: center; }
.text-center { text-align: center; }
.text-destaque { color: var(--cor-primaria); font-weight: 700; }
.bg-light { background-color: var(--cor-fundo-claro); }
.mt-3 { margin-top: 15px; } .mt-4 { margin-top: 25px; } .mt-5 { margin-top: 40px; }

/* Botões */
.btn { display: inline-block; padding: 12px 28px; border-radius: 4px; font-weight: 600; text-transform: uppercase; font-size: 0.9rem; letter-spacing: 0.5px; cursor: pointer; transition: var(--transicao); }
.btn-primary { background-color: var(--cor-primaria); color: #fff; border: 2px solid var(--cor-primaria); }
.btn-primary:hover { background-color: transparent; color: var(--cor-primaria); }
.btn-outline { background-color: transparent; color: var(--cor-primaria); border: 2px solid var(--cor-primaria); }
.btn-outline:hover { background-color: var(--cor-primaria); color: #fff; }

/* =========================================
   CABEÇALHO (HEADER)
========================================= */
.header-principal { background-color: #fff; box-shadow: 0 2px 15px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 1000; }
.header-container { display: flex; justify-content: space-between; align-items: center; height: 90px; }
.logo img { max-height: 50px; }
.menu-navegacao ul { display: flex; gap: 30px; }
.menu-navegacao a { font-weight: 500; color: #333; position: relative; }
.menu-navegacao a::after { content: ''; position: absolute; width: 0; height: 2px; background: var(--cor-primaria); bottom: -5px; left: 0; transition: var(--transicao); }
.menu-navegacao a:hover::after, .menu-navegacao a.ativo::after { width: 100%; }
.header-social a { display: flex; align-items: center; gap: 8px; font-weight: 500; color: var(--cor-primaria); }

/* =========================================
   HERO SECTION
========================================= */
.hero-section { position: relative; height: 80vh; min-height: 600px; background-size: cover; background-position: center; display: flex; align-items: center; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(to right, rgba(0,75,135,0.9) 0%, rgba(0,75,135,0.4) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; color: #fff; max-width: 800px; }
.hero-tag { background: #fdb813; color: #000; display: inline-block; padding: 5px 15px; font-weight: 700; border-radius: 4px; margin-bottom: 20px; }
.hero-content h1 { font-size: 3rem; line-height: 1.2; margin-bottom: 30px; font-weight: 300; }
.hero-content h1 strong { font-weight: 700; }

/* =========================================
   SEÇÕES ESPECÍFICAS
========================================= */
.sobre-img img { border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.1); }
.sobre-texto h2 { font-size: 2.2rem; margin-bottom: 20px; }
.sobre-texto p { margin-bottom: 30px; font-size: 1.1rem; color: #555; }

.card-servico { padding: 30px; background: #fff; border-radius: 8px; box-shadow: 0 5px 20px rgba(0,0,0,0.05); transition: var(--transicao); }
.card-servico:hover { transform: translateY(-10px); box-shadow: 0 15px 30px rgba(0,0,0,0.1); }
.card-icone { font-size: 2.5rem; color: var(--cor-primaria); margin-bottom: 15px; }

.obra-destaque-box { background: #fff; border-radius: 8px; overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,0.08); }
.obra-info { padding: 40px; }
.obra-detalhes-lista { margin: 15px 0; font-size: 0.9rem; color: #666; }

.item-lista { display: flex; gap: 15px; margin-bottom: 25px; }
.item-lista i { font-size: 1.8rem; color: var(--cor-primaria); margin-top: 5px; }
.clientes-logos { display: flex; justify-content: center; gap: 40px; flex-wrap: wrap; align-items: center; }
.clientes-logos img { max-height: 60px; filter: grayscale(100%); transition: var(--transicao); }
.clientes-logos img:hover { filter: grayscale(0%); }

/* =========================================
   RODAPÉ E BOTÕES FLUTUANTES
========================================= */
.footer-principal { background-color: #002b4d; color: #fff; padding: 60px 0 30px; }
.footer-container { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; }
.footer-logo { max-width: 180px; margin-bottom: 20px; }
.footer-coluna h3 { margin-bottom: 20px; font-size: 1.2rem; border-bottom: 2px solid rgba(255,255,255,0.1); padding-bottom: 10px; }
.footer-coluna ul li { margin-bottom: 10px; }
.footer-coluna ul li a:hover { color: #fdb813; padding-left: 5px; }
.footer-coluna p { margin-bottom: 10px; font-size: 0.9rem; color: #d0d0d0; }

.whatsapp-float { position: fixed; bottom: 30px; right: 30px; background-color: #25d366; color: #fff; width: 60px; height: 60px; border-radius: 50%; display: flex; justify-content: center; align-items: center; font-size: 2rem; box-shadow: 0 4px 15px rgba(37,211,102,0.4); z-index: 9999; transition: var(--transicao); }
.whatsapp-float:hover { transform: scale(1.1); }

/* =========================================
   ANIMAÇÕES JS (Classes controladas pelo JS)
========================================= */
.animar-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.animar-scroll.fade-left { transform: translateX(-50px); }
.animar-scroll.fade-right { transform: translateX(50px); }
.animar-scroll.ativo { opacity: 1; transform: translate(0, 0); }

/* =========================================
   COPYRIGHT (SUB-FOOTER)
========================================= */
.footer-principal { 
    padding: 60px 0 0; /* Ajustando o padding inferior do footer principal para colar a barra */
}
.footer-copyright {
    background-color: #001f38; /* Um tom de azul um pouco mais escuro que o footer para dar contraste */
    padding: 20px 0;
    margin-top: 50px;
    font-size: 0.85rem; /* Letra pequena e discreta */
    color: #a0b3c5;
}
.footer-copyright p {
    margin: 0;
}
.footer-copyright a {
    color: #ffffff;
    font-weight: 600;
    transition: var(--transicao);
}
.footer-copyright a:hover {
    color: #fdb813; /* Fica amarelo/dourado ao passar o mouse */
    text-decoration: underline;
}
/* =========================================
   PÁGINA: SOBRE NÓS
========================================= */

/* Hero Interna (Banner Menor) */
.hero-interna { position: relative; height: 50vh; min-height: 400px; background-size: cover; background-position: center; display: flex; align-items: center; }
.hero-interna .hero-content h1 { font-size: 2.2rem; font-weight: 300; }
.hero-interna .hero-content h1 strong { font-weight: 700; color: #fdb813; }

/* Estrutura de Textos */
.align-start { align-items: flex-start; }
.titulo-secao { font-size: 2.5rem; color: var(--cor-primaria); line-height: 1.2; font-weight: 300; }
.titulo-secao strong { font-weight: 700; }
.intro-texto p { font-size: 1.1rem; color: #555; text-align: justify; }

/* Grid de 3 Colunas (Missão, Visão e Valores) */
.grid-3-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.mvv-card { display: flex; flex-direction: column; align-items: flex-start; }
.mvv-icone { font-size: 3rem; color: var(--cor-primaria); margin-bottom: 20px; }
.mvv-card h3 { font-size: 1.3rem; margin-bottom: 15px; color: var(--cor-primaria); }
.mvv-card p { font-size: 0.95rem; color: #666; }

/* Banner Parallax Premium */
.banner-parallax { position: relative; padding: 120px 0; background-size: cover; background-position: center; background-attachment: fixed; /* Isso cria o efeito Parallax */ }
.parallax-overlay { position: absolute; inset: 0; background-color: rgba(0, 75, 135, 0.85); z-index: 1; }
.parallax-content { position: relative; z-index: 2; color: #fff; }
.parallax-content h2 { font-size: 2.2rem; font-weight: 400; max-width: 900px; margin: 0 auto; line-height: 1.4; }

/* Responsividade Básica para o CSS global (adicione no final do style.css) */
@media (max-width: 768px) {
    .grid-2-cols, .grid-3-cols, .footer-container { grid-template-columns: 1fr; gap: 30px; }
    .hero-content h1 { font-size: 2rem; }
    .titulo-secao { font-size: 2rem; margin-bottom: 20px; }
    .header-container { flex-direction: column; height: auto; padding: 20px 0; }
    .menu-navegacao ul { flex-wrap: wrap; justify-content: center; gap: 15px; margin-top: 15px; }
}

/* =========================================
   PÁGINA: CONTATO
========================================= */

/* Informações da Esquerda */
.linha-divisoria { border: 0; height: 1px; background: #ddd; margin: 30px 0; }
.contato-detalhes h4 { color: var(--cor-primaria); font-size: 1.1rem; margin-bottom: 15px; }
.contato-detalhes ul li { margin-bottom: 15px; color: #555; font-size: 1.05rem; }
.contato-detalhes ul li i { color: var(--cor-primaria); font-size: 1.2rem; width: 25px; }

/* Formulário Premium */
.contato-form-container { background: #fff; padding: 40px; border-radius: 8px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
.mb-4 { margin-bottom: 30px; }
.form-grupo { margin-bottom: 20px; text-align: left; }
.form-grupo label { display: block; margin-bottom: 8px; font-weight: 500; font-size: 0.9rem; color: #333; }
.form-grupo input, .form-grupo textarea { 
    width: 100%; 
    padding: 12px 15px; 
    border: 1px solid #ccc; 
    border-radius: 4px; 
    font-family: var(--fonte-principal); 
    font-size: 1rem; 
    color: #444; 
    transition: var(--transicao); 
    background-color: #fcfcfc;
}
.form-grupo input:focus, .form-grupo textarea:focus { 
    border-color: var(--cor-primaria); 
    outline: none; 
    box-shadow: 0 0 0 3px rgba(0, 75, 135, 0.1); 
    background-color: #fff;
}
.btn-block { width: 100%; padding: 15px; font-size: 1rem; }

/* Mapa */
.mapa-section { line-height: 0; /* Remove a faixa em branco embaixo do iframe */ }
.mapa-section iframe { filter: grayscale(20%); transition: var(--transicao); }
.mapa-section iframe:hover { filter: grayscale(0%); }