body { font-family: 'Arial', sans-serif; margin: 0; padding: 0; background: #f4f4f4; }
        .top-bar { background: #ff9800; color: #fff; padding: 10px 5%; display: flex; justify-content: space-between; font-size: 0.9rem; }
        header { background: #fff; padding: 20px 5%; display: flex; justify-content: space-between; align-items: center; border-bottom: 3px solid #ff9800; position: sticky; top:0; z-index: 100; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .logo { font-size: 2rem; font-weight: 900; color: #333; text-transform: uppercase; cursor: pointer; }
        .logo span { color: #ff9800; }
        nav { display: flex; gap: 20px; }
        nav a { text-decoration: none; color: #333; font-weight: bold; font-size: 1.1rem; cursor: pointer; padding: 5px 0; border-bottom: 3px solid transparent; transition: border-color 0.3s; }
        nav a:hover, nav a.active { color: #ff9800; border-bottom: 3px solid #ff9800; }
        
        .view-section { display: none; animation: slideIn 0.4s ease-out; min-height: 80vh; }
        .view-section.active { display: block; }
        @keyframes slideIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

        .hero { background: url('https://images.unsplash.com/photo-1541888086425-d81bb1904085?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover; color: white; padding: 120px 5%; position: relative; }
        .hero::after { content: ''; position: absolute; top:0; left:0; width:100%; height:100%; background: rgba(0,0,0,0.6); z-index: 1; }
        .hero-content { position: relative; z-index: 2; max-width: 600px; }
        .hero h1 { font-size: 3.5rem; margin-bottom: 10px; text-transform: uppercase; }
        .hero p { font-size: 1.2rem; margin-bottom: 20px; }
        .btn { display: inline-block; background: #ff9800; color: #fff; padding: 12px 30px; text-decoration: none; font-weight: bold; text-transform: uppercase; cursor: pointer; border: none; font-size: 1rem; }
        .btn:hover { background: #e68a00; }

        .section-header { text-align: center; padding: 50px 20px 20px; }
        .section-header h2 { font-size: 2.5rem; color: #333; margin: 0; text-transform: uppercase; display: inline-block; border-bottom: 4px solid #ff9800; padding-bottom: 10px; }
        
        .services { display: flex; justify-content: center; flex-wrap: wrap; gap: 30px; padding: 30px 5% 70px; }
        .service-card { background: #fff; width: 30%; min-width: 300px; padding: 30px; border-top: 4px solid #333; box-shadow: 0 4px 6px rgba(0,0,0,0.05); transition: 0.3s; }
        .service-card:hover { transform: translateY(-5px); box-shadow: 0 10px 15px rgba(0,0,0,0.1); border-top-color: #ff9800; }
        .service-card h3 { color: #333; font-size: 1.5rem; margin-top: 0; }
        
        .projects-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 15px; padding: 20px 5% 70px; }
        .project-img { height: 250px; background-size: cover; background-position: center; position: relative; cursor: pointer; }
        .project-overlay { position: absolute; bottom: 0; background: rgba(0,0,0,0.8); width: 100%; color: white; padding: 15px; box-sizing: border-box; transform: translateY(100%); transition: 0.3s; overflow: hidden; }
        .project-img:hover .project-overlay { transform: translateY(0); }

        .contact-wrap { display: flex; max-width: 1000px; margin: 40px auto; background: white; padding: 40px; box-shadow: 0 5px 15px rgba(0,0,0,0.05); border-radius: 8px; gap: 40px; }
        .form-area { flex: 2; }
        .form-area input, .form-area textarea { width: 100%; padding: 12px; margin-bottom: 15px; border: 1px solid #ddd; box-sizing: border-box; font-family: inherit; }
        .info-area { flex: 1; background: #333; color: white; padding: 30px; border-radius: 4px; }
        .info-area h3 { color: #ff9800; margin-top: 0; }

        footer { background: #222; color: #999; padding: 40px 5%; text-align: center; }