:root {
            --primary-color: #ea6111;
            --primary-dark: #d4560f;
            --secondary-color: #1c1c1a;
            --light-gray: #f5f5f5;
            --medium-gray: #8d8f92;
            --dark-gray: #333;
            --white: #ffffff;
            --black: #000000;
            --transition: all 0.3s ease-in-out;
        }

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

        body {
            font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            color: var(--secondary-color);
            line-height: 1.6;
            background-color: var(--white);
            overflow-x: hidden;
            position: relative;
        }

        h1, h2, h3, h4, h5, h6 {
            font-weight: 600;
            line-height: 1.3;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .section-padding {
            padding: 100px 0;
        }

        .section-title {
            color: var(--primary-color);
            font-size: 2.5rem;
            margin-bottom: 50px;
            text-transform: uppercase;
            position: relative;
            display: inline-block;
            text-align: center;
            width: 100%;
        }

        .section-title::after {
            content: '';
            position: absolute;
            width: 80px;
            height: 4px;
            background-color: var(--primary-color);
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
        }

        .btn {
            display: inline-block;
            padding: 15px 30px;
            border-radius: 5px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            transition: var(--transition);
            text-decoration: none;
            text-align: center;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }

        .btn-primary {
            background-color: var(--primary-color);
            color: var(--white);
        }

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(234, 97, 17, 0.2);
        }

        .btn-whatsapp {
            background-color: #25D366;
            color: var(--white);
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-whatsapp:hover {
            background-color: #128C7E;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(18, 140, 126, 0.2);
        }

        .text-center {
            text-align: center;
        }

        /* Header */
        header {
            background-color: var(--white);
            box-shadow: 0 2px 30px rgba(0, 0, 0, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            transition: var(--transition);
        }

        .logo {
            width: 200px;
            transition: var(--transition);
        }

        .logo img {
            width: 100%;
            height: auto;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 25px;
            position: relative;
        }

        nav ul li a {
            text-decoration: none;
            color: var(--secondary-color);
            font-weight: 500;
            transition: var(--transition);
            font-size: 1rem;
            position: relative;
            padding: 5px 0;
        }

        nav ul li a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            background-color: var(--primary-color);
            bottom: 0;
            left: 0;
            transition: var(--transition);
        }

        nav ul li a:hover {
            color: var(--primary-color);
        }

        nav ul li a:hover::after {
            width: 100%;
        }

        .contact-button {
            background-color: var(--primary-color);
            color: var(--white);
            padding: 12px 25px;
            border-radius: 5px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
        }

        .contact-button i {
            margin-right: 8px;
        }

        .contact-button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(234, 97, 17, 0.2);
        }

        /* Mobile Menu */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: var(--secondary-color);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 10px;
        }

        .mobile-menu {
            position: fixed;
            top: 0;
            right: -100%;
            width: 80%;
            max-width: 350px;
            height: 100vh;
            background-color: var(--white);
            box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
            z-index: 1001;
            transition: var(--transition);
            padding: 20px;
            overflow-y: auto;
        }

        .mobile-menu.active {
            right: 0;
        }

        .mobile-menu-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 30px;
            padding-bottom: 15px;
            border-bottom: 1px solid #eee;
        }

        .mobile-menu-close {
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--secondary-color);
            cursor: pointer;
        }

        .mobile-nav ul {
            flex-direction: column;
            padding: 0;
        }

        .mobile-nav ul li {
            margin: 0;
            margin-bottom: 15px;
        }

        .mobile-nav ul li a {
            display: block;
            padding: 10px 0;
            font-size: 1.1rem;
        }

        .mobile-contact-button {
            width: 100%;
            margin-top: 20px;
        }

        .overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.5);
            z-index: 1000;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .overlay.active {
            opacity: 1;
            visibility: visible;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../imagens/banner1.png') no-repeat center center/cover;
            height: 90vh;
            display: flex;
            align-items: center;
            text-align: center;
            color: var(--white);
            position: relative;
        }
@media (max-width: 768px) {
    .hero {
        background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url('../imagens/banner1_mobile.png') no-repeat center center/cover;
    }
}

        .hero::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 100px;
            background: linear-gradient(to top, var(--white), transparent);
            z-index: 1;
        }

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

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 25px;
            text-transform: uppercase;
            font-weight: 700;
            line-height: 1.2;
            text-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            text-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* WhatsApp Float Button */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background-color: #25D366;
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
            z-index: 999;
            transition: var(--transition);
            animation: pulse 2s infinite;
        }

        .whatsapp-float:hover {
            background-color: #128C7E;
            transform: translateY(-5px) scale(1.1);
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
            }
            70% {
                box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
            }
        }

        .whatsapp-tooltip {
            position: absolute;
            right: 70px;
            top: 50%;
            transform: translateY(-50%);
            background-color: var(--secondary-color);
            color: var(--white);
            padding: 8px 15px;
            border-radius: 5px;
            font-size: 0.9rem;
            white-space: nowrap;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
        }

        .whatsapp-float:hover .whatsapp-tooltip {
            opacity: 1;
            visibility: visible;
            right: 80px;
        }

        /* Calculator Section */
        .calculator-section {
            background-color: var(--light-gray);
            padding: 100px 0;
            position: relative;
        }

        .calculator-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 20px;
            background: linear-gradient(to bottom, var(--white), var(--light-gray));
        }

        .calculator-box {
            background-color: var(--white);
            border-radius: 10px;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            padding: 50px;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .calculator-box::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background-color: var(--primary-color);
        }

        .form-group {
            margin-bottom: 25px;
            text-align: left;
        }

        .form-group label {
            display: block;
            margin-bottom: 10px;
            font-weight: 600;
            color: var(--secondary-color);
            font-size: 1.1rem;
        }

        .form-group select, 
        .form-group input {
            width: 100%;
            padding: 15px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
            background-color: var(--white);
        }

        .form-group select:focus, 
        .form-group input:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(234, 97, 17, 0.2);
        }

        .form-row {
            display: flex;
            gap: 25px;
        }

        .form-row .form-group {
            flex: 1;
        }

        .unit-selector {
            display: flex;
            margin-top: 10px;
            border: 1px solid #ddd;
            border-radius: 5px;
            overflow: hidden;
        }

        .unit-selector button {
            flex: 1;
            padding: 10px;
            border: none;
            background-color: #f5f5f5;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }

        .unit-selector button.active {
            background-color: var(--primary-color);
            color: var(--white);
        }

        .calculate-btn {
            width: 100%;
            padding: 18px;
            font-size: 1.1rem;
            margin-top: 10px;
        }

        .result-container {
            display: none;
            margin-top: 40px;
            padding: 30px;
            background-color: var(--light-gray);
            border-radius: 10px;
            text-align: left;
            animation: fadeIn 0.5s ease-in-out;
            border-left: 4px solid var(--primary-color);
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        .result-title {
            color: var(--primary-color);
            margin-bottom: 20px;
            font-size: 1.5rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .result-details {
            display: flex;
            justify-content: space-between;
            margin-bottom: 20px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .result-details div {
            flex: 1;
            min-width: 200px;
        }

        .result-details p {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

        .result-details strong {
            color: var(--secondary-color);
        }

        .result-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary-color);
            margin: 25px 0;
            text-align: center;
        }

        .result-note {
            font-size: 0.9rem;
            color: var(--medium-gray);
            text-align: center;
            margin-top: 20px;
        }

        .whatsapp-btn {
            width: 100%;
            padding: 18px;
            font-size: 1.1rem;
        }

        .whatsapp-btn i {
            margin-right: 12px;
            font-size: 1.3rem;
        }

        .spinner {
            display: none;
            margin: 40px auto;
            width: 60px;
            height: 60px;
            border: 6px solid rgba(234, 97, 17, 0.2);
            border-radius: 50%;
            border-top-color: var(--primary-color);
            animation: spin 1s ease-in-out infinite;
        }

        @keyframes spin {
            to { transform: rotate(360deg); }
        }

        /* About Section */
        .about-section {
            position: relative;
            overflow: hidden;
        }

        .about-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .about-text {
            flex: 1;
        }

        .about-text h2 {
            margin-bottom: 25px;
        }

        .about-text p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
        }

        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            position: relative;
        }

        .about-image::before {
            content: '';
            position: absolute;
            top: 20px;
            left: 20px;
            right: -20px;
            bottom: -20px;
            border: 3px solid var(--primary-color);
            border-radius: 10px;
            z-index: -1;
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

        .about-image:hover img {
            transform: scale(1.05);
        }

        .about-stats {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            margin-top: 50px;
            gap: 20px;
        }

        .stat-item {
            text-align: center;
            padding: 30px;
            background-color: var(--light-gray);
            border-radius: 10px;
            flex: 1;
            min-width: 200px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .stat-item:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
        }

        .stat-number {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary-color);
            margin-bottom: 10px;
            line-height: 1;
        }

        .stat-text {
            font-size: 1.1rem;
            color: var(--secondary-color);
            font-weight: 500;
        }

        /* Services Section */
        .services-section {
            background-color: var(--light-gray);
            position: relative;
        }

        .services-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 20px;
            background: linear-gradient(to bottom, var(--white), var(--light-gray));
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 40px;
            margin-top: 60px;
        }

        .service-card {
            background-color: var(--white);
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
            position: relative;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 5px;
            background-color: var(--primary-color);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
        }

        .service-image {
            height: 250px;
            overflow: hidden;
        }

        .service-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .service-card:hover .service-image img {
            transform: scale(1.1);
        }

        .service-content {
            padding: 30px;
        }

        .service-content h3 {
            color: var(--primary-color);
            margin-bottom: 15px;
            font-size: 1.5rem;
        }

        .service-content p {
            margin-bottom: 20px;
            color: var(--dark-gray);
        }

        .service-link {
            color: var(--primary-color);
            font-weight: 600;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            transition: var(--transition);
        }

        .service-link i {
            margin-left: 8px;
            transition: var(--transition);
        }

        .service-link:hover {
            color: var(--primary-dark);
        }

        .service-link:hover i {
            transform: translateX(5px);
        }

        /* Testimonials Section */
        .testimonials-section {
            position: relative;
        }

        .testimonials-slider {
            max-width: 900px;
            margin: 60px auto 0;
            position: relative;
        }

        .testimonial {
            background-color: var(--light-gray);
            padding: 40px;
            border-radius: 10px;
            text-align: center;
            display: none;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            position: relative;
        }

        .testimonial::before {
            content: '\201C';
            position: absolute;
            top: 20px;
            left: 20px;
            font-size: 5rem;
            color: rgba(234, 97, 17, 0.1);
            font-family: serif;
            line-height: 1;
        }

        .testimonial.active {
            display: block;
            animation: fadeIn 0.5s ease-in-out;
        }

        .testimonial-text {
            font-style: italic;
            font-size: 1.2rem;
            margin-bottom: 25px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--primary-color);
            margin-top: 20px;
            font-size: 1.1rem;
        }

        .testimonial-position {
            color: var(--medium-gray);
            font-size: 0.9rem;
            display: block;
            margin-top: 5px;
        }

        .testimonial-rating {
            color: #FFD700;
            margin: 15px 0;
            font-size: 1.3rem;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            margin-top: 40px;
            align-items: center;
        }

        .slider-dot {
            width: 15px;
            height: 15px;
            background-color: #ddd;
            border-radius: 50%;
            margin: 0 8px;
            cursor: pointer;
            transition: var(--transition);
        }

        .slider-dot.active {
            background-color: var(--primary-color);
            transform: scale(1.2);
        }

        .slider-arrow {
            background: none;
            border: none;
            color: var(--medium-gray);
            font-size: 1.5rem;
            cursor: pointer;
            transition: var(--transition);
            margin: 0 15px;
        }

        .slider-arrow:hover {
            color: var(--primary-color);
        }

        /* Gallery Section */
        .gallery-section {
            background-color: var(--light-gray);
            position: relative;
        }

        .gallery-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 20px;
            background: linear-gradient(to bottom, var(--white), var(--light-gray));
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 60px;
        }

        .gallery-item {
            position: relative;
            border-radius: 10px;
            overflow: hidden;
            height: 250px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }


        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

 

        .gallery-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(234, 97, 17, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            transition: var(--transition);
        }

        .gallery-item:hover .gallery-overlay {
            opacity: 1;
        }

        .gallery-overlay i {
            color: var(--white);
            font-size: 2.5rem;
        }

        /* Contact Section */
        .contact-container {
            display: flex;
            gap: 60px;
            margin-top: 60px;
        }

        .contact-info {
            flex: 1;
        }

        .contact-info h3 {
            margin-bottom: 30px;
        }

        .contact-detail {
            display: flex;
            align-items: flex-start;
            margin-bottom: 25px;
        }

        .contact-detail i {
            color: var(--primary-color);
            font-size: 1.3rem;
            margin-right: 20px;
            margin-top: 5px;
        }

        .contact-text p {
            margin-bottom: 5px;
        }

        .contact-text strong {
            display: block;
            margin-bottom: 5px;
            font-size: 1.1rem;
        }

        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 30px;
        }

        .social-links a {
            color: var(--white);
            background-color: var(--primary-color);
            width: 45px;
            height: 45px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 1.2rem;
        }

        .social-links a:hover {
            background-color: var(--primary-dark);
            transform: translateY(-5px);
        }

        .contact-form {
            flex: 1;
            background-color: var(--light-gray);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        }

        .contact-form h3 {
            margin-bottom: 30px;
        }

        .form-input {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--primary-color);
            outline: none;
            box-shadow: 0 0 0 3px rgba(234, 97, 17, 0.2);
        }

        .form-textarea {
            height: 180px;
            resize: vertical;
        }

        .submit-btn {
            width: 100%;
            padding: 18px;
            font-size: 1.1rem;
        }

        /* Clients Section */
        .clients-section {
            background-color: var(--white);
            padding: 80px 0;
        }

        .clients-grid {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 40px;
            margin-top: 60px;
        }

        .client-logo {
            max-width: 180px;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: var(--transition);
        }

        .client-logo:hover {
            filter: grayscale(0%);
            opacity: 1;
            transform: scale(1.1);
        }

        /* FAQ Section */
        .faq-section {
            background-color: var(--light-gray);
            padding: 100px 0;
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border-radius: 8px;
            margin-bottom: 20px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-color);
        }

        .faq-question i {
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 30px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-item.active .faq-question {
            background-color: var(--primary-color);
            color: var(--white);
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

        .faq-item.active .faq-answer {
            padding: 20px 30px;
            max-height: 500px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.8)), url('https://images.unsplash.com/photo-1605106702734-205df224ecce?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
            padding: 100px 0;
            text-align: center;
            color: var(--white);
        }

        .cta-content {
            max-width: 800px;
            margin: 0 auto;
        }

        .cta-title {
            font-size: 2.5rem;
            margin-bottom: 30px;
            text-transform: uppercase;
        }

        .cta-text {
            font-size: 1.2rem;
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        /* Footer */
        footer {
            background-color: var(--secondary-color);
            color: var(--white);
            padding: 80px 0 30px;
            position: relative;
        }

        footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 20px;
            background: linear-gradient(to bottom, var(--primary-color), var(--secondary-color));
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-column h3 {
            color: var(--primary-color);
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 2px;
            background-color: var(--primary-color);
        }

        .footer-column p {
            margin-bottom: 20px;
            color: #ddd;
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 12px;
        }

        .footer-column ul li a {
            color: #ddd;
            text-decoration: none;
            transition: var(--transition);
            display: inline-block;
        }

        .footer-column ul li a:hover {
            color: var(--primary-color);
            transform: translateX(5px);
        }

        .footer-column ul li i {
            margin-right: 10px;
            color: var(--primary-color);
            width: 20px;
            text-align: center;
        }

        .footer-social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .footer-social-links a {
            color: var(--white);
            background-color: rgba(255, 255, 255, 0.1);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .footer-social-links a:hover {
            background-color: var(--primary-color);
            transform: translateY(-5px);
        }

        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }

        .back-to-top {
            position: fixed;
            bottom: 90px;
            right: 30px;
            width: 50px;
            height: 50px;
            background-color: var(--primary-color);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            z-index: 999;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            background-color: var(--primary-dark);
            transform: translateY(-5px);
        }

        /* Responsive */
        @media (max-width: 1200px) {
            .section-padding {
                padding: 80px 0;
            }
            
            .hero h1 {
                font-size: 3rem;
            }
        }

        @media (max-width: 992px) {
            .section-title {
                font-size: 2.2rem;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .about-image {
                margin-top: 40px;
            }
            
            .contact-container {
                flex-direction: column;
            }
            
            .contact-form {
                margin-top: 40px;
            }
            
            .form-row {
                flex-direction: column;
                gap: 0;
            }
        }

        @media (max-width: 768px) {
            .header-container {
                flex-direction: row;
                text-align: center;
            }
            
            nav.desktop-nav {
                display: none;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .hero {
                height: auto;
                padding: 120px 0;
            }
            
            .hero h1 {
                font-size: 2.5rem;
            }
            
            .hero p {
                font-size: 1.1rem;
            }
            
            .calculator-box {
                padding: 30px;
            }
            
            .service-card {
                max-width: 400px;
                margin: 0 auto;
            }
            
            .gallery-grid {
                grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            }
        }

        @media (max-width: 576px) {
            .section-title {
                font-size: 1.8rem;
            }
            
            .hero h1 {
                font-size: 2rem;
            }
            
            .hero-buttons, .cta-buttons {
                flex-direction: column;
                gap: 15px;
            }
            
            .btn {
                width: 100%;
            }
            
            .calculator-box {
                padding: 25px 20px;
            }
            
            .testimonial {
                padding: 30px 20px;
            }
            
            .testimonial-text {
                font-size: 1rem;
            }
        }


          /* Estilos adicionais para a calculadora */
        .unit-label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--medium-gray);
        }
        
        .unit-selector {
            display: flex;
            margin-top: 5px;
            border: 1px solid #ddd;
            border-radius: 5px;
            overflow: hidden;
        }
        
        .unit-selector button {
            flex: 1;
            padding: 10px;
            border: none;
            background-color: #f5f5f5;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 5px;
        }
        
        .unit-selector button.active {
            background-color: var(--primary-color);
            color: var(--white);
        }
        
        .mobile-unit-info {
            display: none;
            font-size: 0.8rem;
            color: var(--medium-gray);
            margin-top: 5px;
            padding: 5px;
            background-color: var(--light-gray);
            border-radius: 4px;
        }
        
        @media (max-width: 768px) {
            .mobile-unit-info {
                display: block;
            }
        }

                .loading-spinner {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            display: flex;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            transition: opacity 0.5s ease;
        }
        
        .spinner-content {
            text-align: center;
        }
        
        .spinner {
            width: 80px;
            height: 80px;
            border: 8px solid rgba(234, 97, 17, 0.2);
            border-radius: 50%;
            border-top-color: var(--primary-color);
            animation: spin 1.2s linear infinite;
            margin-bottom: 20px;
        }
        
        .spinner-text {
            font-size: 1.2rem;
            color: var(--secondary-color);
            font-weight: 500;
        }
        
        .redirect-spinner {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(255, 255, 255, 0.85);
            z-index: 9999;
            align-items: center;
            justify-content: center;
        }
        
        .redirect-spinner-content {
            text-align: center;
        }
        
        .redirect-spinner .spinner {
            width: 60px;
            height: 60px;
            border-width: 6px;
        }
        
        @keyframes spin {
            to { transform: rotate(360deg); }
        }