/* 
  Design Original: Envato User 
  Licença de Uso: Comercial (Cliente Final)
  Proibida a revenda do código fonte.
*/
:root {
            --primary: #8d6e63; /* Wood Brown */
            --primary-dark: #5d4037;
            --dark: #1c1917;
            --light: #f5f5f4;
            --text: #44403c;
            --white: #ffffff;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { font-family: 'Barlow', sans-serif; color: var(--text); line-height: 1.6; background: var(--light); }
        h1, h2, h3, h4 { font-family: 'Playfair Display', serif; color: var(--dark); }

        /* Utilities */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .section { padding: 100px 0; }
        .bg-white { background: var(--white); }
        .text-center { text-align: center; }
        .btn {
            display: inline-block;
            padding: 15px 40px;
            background: var(--dark);
            color: var(--white);
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-size: 0.8rem;
            transition: 0.3s;
            border: 1px solid var(--dark);
        }
        .btn:hover { background: transparent; color: var(--dark); }
        .btn-outline { background: transparent; border: 1px solid var(--white); color: var(--white); }
        .btn-outline:hover { background: var(--white); color: var(--dark); }

        /* Header */
        header { background: var(--white); padding: 25px 0; position: sticky; top: 0; z-index: 1000; border-bottom: 1px solid #e7e5e4; }
        .nav { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-size: 1.5rem; font-weight: 700; color: var(--dark); text-decoration: none; letter-spacing: 1px; font-family: 'Playfair Display', serif; }
        .nav-links { display: flex; gap: 30px; }
        .nav-links a { color: var(--text); text-decoration: none; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; transition: 0.3s; }
        .nav-links a:hover { color: var(--primary); }
        .mobile-toggle { display: none; font-size: 1.5rem; cursor: pointer; }

        /* Hero */
        .hero {
            height: 80vh;
            background: url('../images/83f00e494bb547bf4299db19401450e7.jpg') center/cover;
            display: flex;
            align-items: center;
            position: relative;
        }
        .hero::before { content: ''; position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
        .hero-content { position: relative; z-index: 1; color: var(--white); max-width: 600px; padding-left: 50px; border-left: 5px solid var(--primary); }
        .hero h1 { color: var(--white); font-size: 3.5rem; margin-bottom: 20px; line-height: 1.1; }
        .hero p { font-size: 1.2rem; margin-bottom: 40px; opacity: 0.9; }

        /* Projects */
        .projects-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 0; }
        .project-item { position: relative; height: 400px; overflow: hidden; group; }
        .project-item img { width: 100%; height: 100%; object-fit: cover; transition: 0.5s; }
        .project-item:hover img { transform: scale(1.1); }
        .project-overlay { position: absolute; inset: 0; background: rgba(28, 25, 23, 0.8); display: flex; flex-direction: column; justify-content: center; align-items: center; opacity: 0; transition: 0.3s; text-align: center; padding: 20px; }
        .project-item:hover .project-overlay { opacity: 1; }
        .project-overlay h3 { color: var(--white); font-size: 1.8rem; margin-bottom: 10px; }
        .project-overlay p { color: #d6d3d1; margin-bottom: 20px; }

        /* Features */
        .features { background: var(--dark); color: var(--white); }
        .features h2 { color: var(--white); text-align: center; margin-bottom: 60px; }
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
        .feature-icon { font-size: 2.5rem; color: var(--primary); margin-bottom: 20px; }
        .feature-item h3 { color: var(--white); margin-bottom: 15px; font-family: 'Barlow', sans-serif; text-transform: uppercase; letter-spacing: 1px; }
        .feature-item p { color: #a8a29e; }

        /* Materials */
        .materials-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
        .materials-text h2 { font-size: 2.5rem; margin-bottom: 20px; }
        .material-list { list-style: none; margin-top: 30px; }
        .material-list li { margin-bottom: 15px; display: flex; align-items: center; gap: 15px; font-size: 1.1rem; }
        .material-list i { color: var(--primary); }

        /* Contact */
        .contact-form { max-width: 700px; margin: 0 auto; background: var(--white); padding: 50px; box-shadow: 0 10px 30px rgba(0,0,0,0.05); }
        .form-group { margin-bottom: 20px; }
        .form-input { width: 100%; padding: 15px; border: 1px solid #e7e5e4; background: #fafaf9; font-family: inherit; }
        .form-input:focus { outline: none; border-color: var(--primary); background: var(--white); }

        /* Footer */
        footer { background: var(--white); padding: 50px 0; text-align: center; border-top: 1px solid #e7e5e4; font-size: 0.9rem; }

        /* Floating Button */
        .whatsapp-float { position: fixed; bottom: 30px; right: 30px; background: #25D366; color: white; width: 60px; height: 60px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 30px; box-shadow: 0 4px 15px rgba(0,0,0,0.2); z-index: 1000; transition: 0.3s; }
        .whatsapp-float:hover { transform: scale(1.1); }

        @media (max-width: 768px) {
            .hero h1 { font-size: 2.5rem; }
            .features-grid, .materials-grid { grid-template-columns: 1fr; }
            .nav-links { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--white); flex-direction: column; padding: 20px; text-align: center; border-bottom: 1px solid #e7e5e4; }
            .nav-links.active { display: flex; }
            .mobile-toggle { display: block; }
            .hero-content { padding-left: 20px; }
        }