:root {
            --preto-puro: #000000;
            --preto-fosco: #0a0a0a;
            --dourado: #C5A059; /* Dourado Champagne sofisticado */
            --dourado-brilho: rgba(197, 160, 89, 0.3); /* Halo de brilho */
            --cinza-texto: #aaaaaa;
            --branco: #ffffff;
        }

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

        body {
            font-family: 'Montserrat', sans-serif;
            background-color: var(--preto-puro); 
            color: var(--branco); 
            overflow-x: hidden;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased; /* Suaviza fontes */
        }

        h1, h2, h3, h4 {
            font-family: 'Playfair Display', serif;
            font-weight: 700;
        }

        /* ================= NAVBAR (AJUSTADA PARA NÃO CORTAR) ================= */
        nav {
            position: fixed;
            top: 0;
            width: 100%;
            padding: 20px 4%; /* Ajuste de respiro lateral */
            background: rgba(0, 0, 0, 0.98);
            backdrop-filter: blur(10px);
            display: flex;
            justify-content: space-between;
            align-items: center;
            z-index: 1000;
            border-bottom: 1px solid rgba(197, 160, 89, 0.2); 
            box-shadow: 0 4px 20px rgba(0,0,0,0.8);
            flex-wrap: nowrap;
        }

        .nav-brand-container { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .nav-logo-icon { max-height: 1.8rem; filter: invert(1); }
        .nav-logo-text { color: var(--branco); font-family: 'Playfair Display', serif; font-size: 1.5rem; letter-spacing: 1px; }

        .nav-links { list-style: none; display: flex; gap: 18px; margin: 0; padding: 0; } /* Gap reduzido e sem padding extra */
        .nav-links a { color: #aaaaaa; text-decoration: none; font-size: 0.68rem; text-transform: uppercase; letter-spacing: 1px; transition: 0.3s; white-space: nowrap; }
        .nav-links a:hover { color: var(--dourado); text-shadow: 0 0 5px var(--dourado-brilho); }

        /* ================= HERO (CRAVADO EM 75VH) ================= */
        .hero {
            position: relative;
            height: 75vh; 
            width: 100%;
            background-image: url('../images/hero-bg.jpg'); 
            background-attachment: fixed;
            background-position: center center;
            background-size: cover;
            display: flex;
            align-items: center; 
            justify-content: center; 
            text-align: center;
            background-color: var(--preto-puro);
        }

        .hero-overlay {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background: linear-gradient(to bottom, rgba(0,0,0,0.4), rgba(0,0,0,0.8)); /* Gradiente sutil */
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 0 20px;
            max-width: 900px;
        }

        .hero-frase { 
            color: #ffffff; 
            font-size: clamp(1.8rem, 5vw, 2.5rem); /* Fonte responsiva e imponente */
            font-weight: 300; 
            letter-spacing: 3px; 
            margin-bottom: 45px; 
            text-shadow: 0 10px 30px rgba(0,0,0,0.9); /* Sombra tipográfica */
        }

        .btn-whatsapp {
            display: inline-block;
            background-color: transparent;
            color: var(--dourado); 
            padding: 18px 45px;
            font-size: 0.9rem;
            font-weight: 600;
            text-transform: uppercase;
            text-decoration: none;
            letter-spacing: 3px;
            border: 1px solid var(--dourado); 
            transition: 0.4s cubic-bezier(0.165, 0.84, 0.44, 1); /* Suavidade luxuosa */
            box-shadow: 0 0 10px rgba(197, 160, 89, 0.1); /* Halo inicial sutil */
        }
        .btn-whatsapp:hover { background-color: var(--dourado); color: var(--preto-puro); box-shadow: 0 0 30px var(--dourado-brilho); }

        /* ================= SEÇÕES GERAIS ================= */
        .section-padding { padding: 120px 10%; }
        .titulo-luxo { font-size: 2.5rem; text-align: center; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 5px; color: var(--branco); }
        .linha-fina { width: 70px; height: 3px; background-color: var(--dourado); margin: 0 auto 60px auto; box-shadow: 0 0 10px var(--dourado-brilho); }

        /* ================= QUEM SOMOS ================= */
        .sobre-grid { 
            display: grid; 
            grid-template-columns: 1fr 1fr; 
            gap: 60px; 
            align-items: center; 
        }
        .sobre-texto p { font-size: 1.1rem; margin-bottom: 30px; color: #ccc; text-align: justify; }
        .img-fachada { 
            width: 100%; 
            height: 500px; 
            background-image: url('../images/secao-bg.jpg'); 
            background-size: cover; 
            background-position: center; 
            box-shadow: -25px 25px 0px var(--preto-fosco); /* Sombra projetada mais densa */
            border: 1px solid rgba(197, 160, 89, 0.3);
            transition: 0.5s ease;
        }
        .img-fachada:hover { box-shadow: -15px 15px 10px rgba(0,0,0,0.5); transform: translateY(-3px); }

        /* ================= SERVIÇOS ================= */
        .grid-obras { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card-obra { text-align: center; padding: 45px 30px; border: 1px solid #1a1a1a; background: var(--preto-fosco); transition: 0.5s cubic-bezier(0.165, 0.84, 0.44, 1); }
        .card-obra:hover { border-color: var(--dourado); transform: translateY(-10px); box-shadow: 0 10px 40px rgba(0,0,0,0.7); }
        .card-obra h3 { font-size: 1.1rem; margin-bottom: 15px; text-transform: uppercase; letter-spacing: 2px; font-weight: 700; color: var(--dourado); }
        .card-obra p { font-size: 0.9rem; color: #aaa; }

        /* ================= MANUTENÇÃO ================= */
        .facilities-section { background-color: var(--preto-fosco); color: var(--branco); text-align: center; border-top: 1px solid #1a1a1a; border-bottom: 1px solid #1a1a1a; }
        .facilities-grid { display: flex; justify-content: center; gap: 30px; margin-top: 30px; flex-wrap: wrap; }
        .facility-item { max-width: 350px; background: rgba(255,255,255,0.02); padding: 45px 35px; border: 1px solid rgba(197, 160, 89, 0.1); box-shadow: 0 10px 30px rgba(0,0,0,0.6); }
        .facility-item h3 { font-size: 1.4rem; margin-bottom: 15px; color: var(--branco); font-weight: 700; letter-spacing: 1px; }
        .facility-item p { font-size: 0.95rem; color: #999; }

        /* ================= PORTFÓLIO ================= */
        .portfolio-section { background-color: var(--preto-puro); }
        .antes-depois-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 20px; }
        .img-box { position: relative; overflow: hidden; height: 500px; background-color: #000; border: 1px solid #1a1a1a; box-shadow: 0 10px 30px rgba(0,0,0,0.8); }
        .img-box img { width: 100%; height: 100%; object-fit: cover; filter: brightness(0.6); transition: 1s ease; }
        .img-box:hover img { filter: brightness(1); transform: scale(1.05); }
        .texto-em-cima { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: var(--branco); font-family: 'Playfair Display', serif; font-size: 1.6rem; text-transform: uppercase; letter-spacing: 6px; text-shadow: 0 5px 20px rgba(0,0,0,0.9); border-bottom: 3px solid var(--dourado); padding-bottom: 8px; z-index: 2; box-shadow: 0 0 15px var(--dourado-brilho); }
        .processo-box { width: 100%; height: 600px; margin-bottom: 80px; }

        /* ================= PROJETOS DE EXCELÊNCIA ================= */
        .projetos-destaque { background-color: var(--preto-puro); color: var(--branco); text-align: center; padding: 120px 10%; border-top: 1px solid #1a1a1a; }
        .projetos-destaque p { font-size: 1.15rem; color: #aaa; margin-bottom: 60px; max-width: 700px; margin-left: auto; margin-right: auto; }
        .grid-duas-fotos { display: grid; grid-template-columns: 1fr 1fr; gap: 25px; margin-bottom: 60px; }
        .foto-destaque { width: 100%; height: 600px; background-size: cover; background-position: center; border: 1px solid #1a1a1a; transition: 0.6s ease; box-shadow: 0 15px 40px rgba(0,0,0,0.9); }
        .foto-destaque:hover { border-color: var(--dourado); box-shadow: 0 0 30px var(--dourado-brilho); }
        .obra-1 { background-image: url('../images/obra-1.jpg'); } 
        .obra-2 { background-image: url('../images/obra-2.jpg'); } 

        /* ================= RODAPÉ FINO ================= */
        footer { background-color: var(--preto-puro); color: var(--branco); text-align: center; padding: 40px 20px; border-top: 1px solid #1a1a1a; }
        .footer-logo-container { display: flex; justify-content: center; align-items: center; gap: 8px; margin-bottom: 5px; }
        .footer-logo-container img { max-height: 1.4rem; filter: invert(1); }
        .footer-logo-container div { color: #ffffff; font-family: 'Playfair Display', serif; font-size: 1.4rem; letter-spacing: 2px; font-weight: 500; }
        .footer-slogan { color: var(--dourado); font-size: 0.8rem; font-family: 'Playfair Display', serif; font-weight: 500; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 10px; }
        .footer-contato { margin-bottom: 15px; font-size: 0.9rem; color: #aaa; display: flex; justify-content: center; gap: 30px; flex-wrap: wrap; }
        .footer-contato a { color: #fff; text-decoration: none; transition: color 0.3s; }
        .footer-contato a:hover { color: var(--dourado); }
        .footer-copyright { color: #333; font-size: 0.75rem; letter-spacing: 1px; }

        /* ================= RESPONSIVIDADE ================= */
        @media (max-width: 768px) {
            nav { padding: 15px 3%; }
            .nav-logo-text { font-size: 1.1rem; }
            .nav-links { gap: 10px; }
            .nav-links a { font-size: 0.6rem; letter-spacing: 0.5px; }
            
            .hero { height: 75vh; background-attachment: scroll; } /* Melhor desempenho mobile */
            .hero-frase { font-size: 1.6rem; }

            .section-padding { padding: 80px 5%; }
            .sobre-grid { grid-template-columns: 1fr 1fr; gap: 15px; }
            .sobre-texto p { font-size: 0.9rem; }
            .img-fachada { height: 250px; box-shadow: -10px 10px 0px var(--preto-fosco); }

            .antes-depois-grid { grid-template-columns: 1fr 1fr; gap: 10px; } 
            .img-box { height: 250px; }
            .texto-em-cima { font-size: 1rem; padding: 5px 10px; letter-spacing: 3px; }
            .processo-box { height: 300px; }

            .grid-duas-fotos { grid-template-columns: 1fr 1fr; gap: 10px; } 
            .foto-destaque { height: 220px; } 
            .projetos-destaque { padding: 80px 5%; }
        }