:root {
            --primary-color: #1a3e72;
            --secondary-color: #f8b400;
            --accent-color: #e74c3c;
            --light-color: #f9f9f9;
            --dark-color: #333333;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: var(--light-color);
            color: var(--dark-color);
            line-height: 1.6;
            min-height: 100vh;

        }
        
        header {
            background-color: var(--primary-color);
            color: white;
            padding: 1rem 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        
        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        
        .logo a {
            display: flex;
            align-items: center;
            gap: 12px;
            text-decoration: none;
            color: inherit;
        }
        
        .logo h1 {
            font-size: 1.8rem;
            margin: 0;
            color: white;
            font-weight: 700;
            line-height: 1;
        }
        
        .logo-img {
            height: 50px;
            width: 50px;
            border-radius: 50px;
            transition: transform 0.3s ease;
            object-fit: cover;
            flex-shrink: 0;
        }
        
        .logo:hover .logo-img {
            transform: scale(1.05);
        }
        
        .nav-menu {
            display: flex;
            align-items: center;
        }
        
        .nav-list {
            display: flex;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        
        .nav-list li {
            margin-left: 2rem;
        }
        
        .nav-list li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s;
        }
        
        .nav-list li a:hover {
            color: var(--secondary-color);
        }
        
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            padding: 5px;
            z-index: 1001;
        }
        
        .bar {
            width: 25px;
            height: 3px;
            background-color: white;
            margin: 3px 0;
            transition: 0.3s;
            border-radius: 2px;
        }
        
        /* Hamburger Animation */
        .hamburger.active .bar:nth-child(2) {
            opacity: 0;
        }
        
        .hamburger.active .bar:nth-child(1) {
            transform: translateY(8px) rotate(45deg);
        }
        
        .hamburger.active .bar:nth-child(3) {
            transform: translateY(-8px) rotate(-45deg);
        }
        
        .hero {
            background: linear-gradient(rgba(121, 150, 192, 0.8), rgba(145, 156, 170, 0.9)), url('image/industria.jpg') center/cover no-repeat;
            height: 100vh;
            display: flex;
            align-items: center;
            text-align: center;
            color: white;
            padding-top: 80px;
        }
        
        .hero-content h2 {
            font-size: 3rem;
            margin-bottom: 1rem;
        }
        
        .hero-content p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }
        
        .btn {
            display: inline-block;
            background-color: var(--secondary-color);
            color: var(--primary-color);
            padding: 0.8rem 2rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            font-size: 1rem;
            line-height: 1.2;
        }
        
        .btn:hover {
            background-color: white;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }
        
        .btn:active {
            transform: translateY(-1px);
        }
        
        .services {
            padding: 5rem 0;
            background-color: white;
        }
        
        .section-title {
            text-align: center;
            margin-bottom: 3rem;
        }
        
        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary-color);
            position: relative;
            display: inline-block;
            padding-bottom: 1rem;
        }
        
        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: var(--secondary-color);
        }
        
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .service-card {
            background-color: var(--light-color);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s;
        }
        
        .service-card:hover {
            transform: translateY(-10px);
        }
        
        .service-img {
            height: 200px;
            background-color: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 3rem;
        }
        
        .service-content {
            padding: 1.5rem;
        }
        
        .service-content h3 {
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        
        .about {
            padding: 5rem 0;
            background-color: #f5f5f5;
        }
        
        .about-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }
        
        .about-img {
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .about-img img {
            width: 100%;
            height: auto;
            max-height: 500px;
            object-fit: cover;
            display: block;
            transition: transform 0.3s ease;
        }
        
        .about-img:hover img {
            transform: scale(1.02);
        }
        
        .about-content h2 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        
        .about-content p {
            margin-bottom: 1.5rem;
        }
        
        .testimonials {
            padding: 5rem 0;
            background-color: white;
        }
        
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        
        .testimonial-card {
            background-color: var(--light-color);
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        
        .testimonial-card p {
            font-style: italic;
            margin-bottom: 1.5rem;
        }
        
        .client-info {
            display: flex;
            align-items: center;
        }
        
        .client-img {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary-color);
            margin-right: 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
        }
        
        .contact {
            padding: 5rem 0;
            background-color: #f5f5f5;
        }
        
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
        }
        
        .contact-info h3 {
            color: var(--primary-color);
            margin-bottom: 1.5rem;
        }
        
        .contact-info p {
            margin-bottom: 1rem;
        }
        
        .contact-form input,
        .contact-form textarea,
        .contact-form select {
            width: 100%;
            padding: 0.8rem;
            margin-bottom: 1rem;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        
        .contact-form input:focus,
        .contact-form textarea:focus,
        .contact-form select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(26, 62, 114, 0.1);
        }
        
        .contact-form textarea {
            height: 150px;
        }
        
        footer {
            background-color: var(--primary-color);
            color: white;
            padding: 3rem 0 1rem;
            text-align: center;
        }
        
        .footer-logo {
            margin-bottom: 2rem;
        }
        
        .footer-logo img {
            height: 60px;
        }
        
        .social-links {
            margin-bottom: 2rem;
        }
        
        .social-links a {
            color: white;
            margin: 0 10px;
            font-size: 1.5rem;
            transition: color 0.3s;
        }
        
        .social-links a:hover {
            color: var(--secondary-color);
        }
        
        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 1.5rem;
        }
        
        /* Large Desktop Devices (1200px and up) */
        @media (min-width: 1200px) {
            .container {
                max-width: 1400px;
            }
            
            .hero-content h2 {
                font-size: 3.5rem;
            }
            
            .services-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        /* Medium Desktop Devices (992px to 1199px) */
        @media (max-width: 1199px) and (min-width: 992px) {
            .container {
                width: 95%;
            }
            
            .hero-content h2 {
                font-size: 2.8rem;
            }
            
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* Tablet Devices (768px to 991px) */
        @media (max-width: 991px) and (min-width: 768px) {
            .container {
                width: 95%;
            }
            
            .header-container {
                flex-direction: row;
                text-align: left;
            }
            
            .nav-list {
                margin-top: 0;
                justify-content: flex-end;
            }
            
            .nav-list li {
                margin: 0 0.8rem;
            }
            
            .hero-content h2 {
                font-size: 2.5rem;
            }
            
            .hero-content p {
                font-size: 1.1rem;
                max-width: 600px;
            }
            
            .about-container,
            .contact-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .about-img {
                order: -1;
            }
            
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.5rem;
            }
            
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        
        /* Mobile Devices (up to 767px) */
        @media (max-width: 767px) {
            .container {
                width: 95%;
            }
            
            header {
                padding: 0.8rem 0;
            }
            
            .header-container {
                flex-direction: row;
                text-align: left;
                gap: 0;
            }
            
            .logo h1 {
                font-size: 1.5rem;
                margin: 0;
            }
            
            .logo-img {
                height: 40px;
                width: 40px;
            }
            
            .hamburger {
                display: flex;
            }
            
            .nav-list {
                position: fixed;
                left: -100%;
                top: 70px;
                flex-direction: column;
                background-color: var(--primary-color);
                width: 100%;
                height: calc(100vh - 70px);
                text-align: center;
                transition: 0.3s ease-in-out;
                box-shadow: 0 10px 27px rgba(0, 0, 0, 0.1);
                padding: 2rem 0;
                gap: 0;
                overflow-y: auto;
                z-index: 1000;
            }
            
            .nav-list.active {
                left: 0;
            }
            
            .nav-list li {
                margin: 1rem 0;
            }
            
            .nav-list li a {
                font-size: 1.1rem;
                padding: 1rem 2rem;
                display: block;
                width: 100%;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                transition: all 0.3s ease;
            }
            
            .nav-list li a:hover {
                background-color: rgba(255, 255, 255, 0.1);
                color: var(--secondary-color);
            }
            
            .hero {
                height: auto;
                min-height: 100vh;
                padding: 120px 0 60px;
            }
            
            .hero-content h2 {
                font-size: 2rem;
                margin-bottom: 1rem;
            }
            
            .hero-content p {
                font-size: 1rem;
                max-width: 100%;
                margin: 0 auto 1.5rem;
                padding: 0 1rem;
            }
            
            .btn {
                padding: 0.7rem 1.5rem;
                font-size: 0.9rem;
            }
            
            .services {
                padding: 3rem 0;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .services-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .service-card {
                margin: 0 0.5rem;
            }
            
            .service-img {
                height: 150px;
                font-size: 2.5rem;
            }
            
            .service-content {
                padding: 1rem;
            }
            
            .about {
                padding: 3rem 0;
            }
            
            .about-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .about-img {
                order: -1;
            }
            
            .about-img img {
                height: auto;
                width: 100%;
                max-width: 100%;
            }
            
            .about-content h2 {
                font-size: 1.8rem;
            }
            
            .testimonials {
                padding: 3rem 0;
            }
            
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 1.5rem;
            }
            
            .testimonial-card {
                padding: 1.5rem;
                margin: 0 0.5rem;
            }
            
            .contact {
                padding: 3rem 0;
            }
            
            .contact-container {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            
            .contact-form input,
            .contact-form textarea {
                padding: 0.7rem;
                font-size: 0.9rem;
            }
            
            .contact-form textarea {
                height: 120px;
            }
            
            footer {
                padding: 2rem 0 1rem;
            }
            
            .social-links a {
                font-size: 1.3rem;
                margin: 0 8px;
            }
            
            .copyright p {
                font-size: 0.9rem;
            }
        }
        
        /* Small Mobile Devices (up to 480px) */
        @media (max-width: 480px) {
            .container {
                width: 98%;
            }
            
            .logo h1 {
                font-size: 1.3rem;
                margin: 0;
            }
            
            .logo-img {
                height: 35px;
                width: 35px;
            }
            
            .nav-list li a {
                font-size: 1rem;
                padding: 0.7rem 1rem;
            }
            
            .hero-content h2 {
                font-size: 1.8rem;
            }
            
            .hero-content p {
                font-size: 0.9rem;
                padding: 0 0.5rem;
            }
            
            .btn {
                padding: 0.6rem 1.2rem;
                font-size: 0.8rem;
            }
            
            .section-title h2 {
                font-size: 1.6rem;
            }
            
            .service-img {
                height: 120px;
                font-size: 2rem;
            }
            
            .service-content h3 {
                font-size: 1.1rem;
            }
            
            .about-content h2 {
                font-size: 1.6rem;
            }
            
            .testimonial-card {
                padding: 1rem;
                margin: 0 0.3rem;
            }
            
            .contact-form input,
            .contact-form textarea {
                padding: 0.6rem;
                font-size: 0.8rem;
            }
            
            .social-links a {
                font-size: 1.2rem;
                margin: 0 6px;
            }
        }
        
        /* Extra Small Mobile Devices (up to 320px) */
        @media (max-width: 320px) {
            .container {
                width: 99%;
            }
            
            .logo h1 {
                font-size: 1.1rem;
            }
            
            .logo-img {
                height: 30px;
            }
            
            .nav-list li a {
                font-size: 0.9rem;
                padding: 0.6rem 0.8rem;
            }
            
            .hero-content h2 {
                font-size: 1.5rem;
            }
            
            .hero-content p {
                font-size: 0.8rem;
            }
            
            .btn {
                padding: 0.5rem 1rem;
                font-size: 0.7rem;
            }
            
            .section-title h2 {
                font-size: 1.4rem;
            }
            
            .service-img {
                height: 100px;
                font-size: 1.8rem;
            }
            
            .service-content h3 {
                font-size: 1rem;
            }
        }
        
        /* Landscape Orientation for Mobile */
        @media (max-width: 767px) and (orientation: landscape) {
            .hero {
                min-height: 100vh;
                padding: 100px 0 40px;
            }
            
            .hero-content h2 {
                font-size: 1.8rem;
            }
            
            .hero-content p {
                font-size: 0.9rem;
                max-width: 80%;
            }
        }
        
        /* High DPI Displays */
        @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
            .logo-img {
                image-rendering: -webkit-optimize-contrast;
                image-rendering: crisp-edges;
            }
        }
        
        /* Print Styles */
        @media print {
            header,
            footer,
            .btn,
            .social-links {
                display: none;
            }
            
            .hero {
                background: none;
                color: black;
                height: auto;
                padding: 20px 0;
            }
            
            .container {
                width: 100%;
                max-width: none;
            }
        }

        .fade-in {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Melhorias de acessibilidade */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }
        
        /* Melhorias para foco */
        a:focus,
        button:focus,
        input:focus,
        textarea:focus,
        select:focus {
            outline: 2px solid var(--secondary-color);
            outline-offset: 2px;
        }
        
        /* Melhorias para impressão */
        @media print {
            .hamburger,
            .nav-list {
                display: none !important;
            }
            
            header {
                position: static;
                background: white !important;
                color: black !important;
            }
            
            .hero {
                background: white !important;
                color: black !important;
                height: auto;
                padding: 20px 0;
            }
            
            .container {
                width: 100%;
                max-width: none;
            }
        }