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

        :root {
            --primary-color: #860809;
            --secondary-color: #e7af3d;
            --dark: #1a1a1a;
            --dark-gray: #2d2d2d;
            --light-gray: #f5f5f5;
            --white: #ffffff;
            --text-dark: #101111;
            --text-light: #666666;
            --accent-red: #860809;
            --accent-gold: #eeb53b;
            --whatsapp-green: #1da960;
            --shadow: rgba(0, 0, 0, 0.1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
            background-color: var(--white);
            overflow-x: hidden;
        }

        /* Header & Navigation */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.05);
            transition: all 0.4s ease;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(0,0,0,0.03);
        }

        header.scrolled {
            padding: 0.2rem 0;
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        }

        nav {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0.5rem 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            display: flex;
            align-items: center;
            text-decoration: none;
        }

        .logo img {
            height: 180px!important;
            width: auto;
            max-width: 100%;
            transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            filter: drop-shadow(0 2px 4px rgba(0,0,0,0.05));
        }
        
        header.scrolled .logo img {
            height: 55px;
            width: auto;
        }

        .logo:hover img {
            transform: scale(1.02);
        }

        .nav-links {
            display: flex;
            gap: 2.5rem;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-links a:hover {
            color: var(--primary-color);
        }

        .cta-header {
            background: var(--whatsapp-green);
            color: var(--white);
            padding: 0.75rem 1.8rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(29, 169, 97, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .cta-header:hover {
            background: #128C7E;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(29, 169, 97, 0.4);
        }

        /* Mobile Menu */
        .menu-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--dark);
            border-radius: 3px;
            transition: all 0.3s ease;
        }

        /* Hero Section */
        .hero {
            margin-top: 80px;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: linear-gradient(45deg, transparent 0%, rgba(200, 75, 49, 0.03) 100%);
            z-index: 0;
        }

        .hero-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 4rem 2rem;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.8s ease-out;
        }

        .hero-content h1 span {
            color: var(--primary-color);
            display: block;
        }

        .hero-content p {
            font-size: 1.2rem;
            color: var(--text-light);
            margin-bottom: 2rem;
            line-height: 1.8;
            animation: fadeInUp 0.8s ease-out 0.2s backwards;
        }

        .hero-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 2.5rem;
            animation: fadeInUp 0.8s ease-out 0.4s backwards;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding: 0.75rem;
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 2px 10px var(--shadow);
            transition: all 0.3s ease;
        }

        .feature-item:hover {
            transform: translateX(5px);
            box-shadow: 0 4px 15px rgba(200, 75, 49, 0.2);
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-red));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            flex-shrink: 0;
        }

        .feature-icon svg {
            width: 20px;
            height: 20px;
            stroke: white;
            fill: none;
        }

        .feature-item span {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
        }

        .hero-cta {
            display: flex;
            gap: 1.5rem;
            animation: fadeInUp 0.8s ease-out 0.6s backwards;
        }

        .btn-primary {
            background: var(--primary-color);
            color: var(--white);
            padding: 1rem 2.5rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(200, 75, 49, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }

        .btn-primary:hover {
            background: var(--accent-red);
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(200, 75, 49, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--text-dark);
            padding: 1rem 2.5rem;
            border: 2px solid var(--dark);
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
        }

        .btn-secondary:hover {
            background: var(--whatsapp-green);
            color: var(--white);
            border-color: var(--whatsapp-green);
            transform: translateY(-3px);
        }

        .hero-image {
            position: relative;
            animation: fadeInRight 1s ease-out;
        }

        .hero-image-wrapper {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
        }

        .hero-image-wrapper::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1;
        }

        .hero-image img {
            width: 56%;
            height: auto;
            display: block;
            margin: 0 auto;
        }

        /* Section Styles */
        section {
            padding: 8rem 2rem;
        }

        .section-title {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.8rem;
            font-weight: 800;
            text-align: center;
            margin-bottom: 1rem;
            color: var(--dark);
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            font-size: 1.1rem;
            margin-bottom: 4rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .container {
            max-width: 1400px;
            margin: 0 auto;
        }

        /* About Section */
        .about {
            background: var(--white);
        }

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h2 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }

        .about-text p {
            color: var(--text-light);
            font-size: 1.1rem;
            line-height: 1.9;
            margin-bottom: 1.5rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            margin-top: 3rem;
        }

        .stat-box {
            text-align: center;
            padding: 2rem;
            background: var(--light-gray);
            border-radius: 15px;
            transition: all 0.3s ease;
        }

        .stat-box:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(200, 75, 49, 0.15);
        }

        .stat-number {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-dark);
            font-weight: 600;
            font-size: 0.95rem;
        }

        /* Service Section */
        .service {
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        }

        .service-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .service-content h2 {
            font-family: 'Montserrat', sans-serif;
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 1rem;
        }

        .service-tag {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-red));
            color: var(--white);
            padding: 0.5rem 1.5rem;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 2rem;
        }

        .service-description {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px var(--shadow);
            margin-bottom: 2rem;
        }

        .service-description p {
            color: var(--text-light);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .service-benefits {
            display: grid;
            gap: 1rem;
        }

        .benefit-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem;
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 2px 10px var(--shadow);
            transition: all 0.3s ease;
        }

        .benefit-item:hover {
            transform: translateX(10px);
            box-shadow: 0 4px 15px rgba(200, 75, 49, 0.2);
        }

        .benefit-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--secondary-color), #f4d683);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .benefit-icon svg {
            width: 26px;
            height: 26px;
            stroke: white;
            fill: none;
            stroke-width: 2;
        }

        .benefit-text {
            flex: 1;
        }

        .benefit-text h4 {
            color: var(--dark);
            font-weight: 600;
            margin-bottom: 0.3rem;
            font-size: 1.05rem;
        }

        .benefit-text p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.5;
        }

        /* Differentials Section */
        .differentials {
            background: var(--dark);
            color: var(--white);
        }

        .differentials .section-title {
            color: var(--white);
        }

        .differentials .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        .differentials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }

        .differential-card {
            background: var(--dark-gray);
            padding: 2.5rem;
            border-radius: 15px;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .differential-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary-color);
            box-shadow: 0 15px 40px rgba(200, 75, 49, 0.3);
        }

        .differential-icon {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-red));
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.5rem;
        }

        .differential-icon svg {
            width: 35px;
            height: 35px;
            stroke: white;
            fill: none;
            stroke-width: 2;
        }

        .differential-card h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .differential-card p {
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            font-size: 1rem;
        }

        /* Applications Section */
        .applications {
            background: var(--white);
        }

        /* Clients Section */
        .clients {
            background: var(--light-gray);
            padding: 3rem 2rem;
        }

        .clients .section-title {
            font-size: 2rem;
            margin-bottom: 3rem;
        }

        .clients-slider {
            overflow: hidden;
            position: relative;
            padding: 2rem 0;
        }

        .clients-track {
            display: flex;
            animation: scroll 30s linear infinite;
            gap: 4rem;
        }

        .client-logo {
            flex: 0 0 auto;
            width: 180px;
            height: 100px;
            background: var(--white);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1rem;
            box-shadow: 0 2px 10px var(--shadow);
            transition: all 0.3s ease;
        }

        .client-logo:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 20px rgba(110, 18, 22, 0.2);
        }

        .client-logo img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
            filter: grayscale(100%);
            opacity: 0.7;
            transition: all 0.3s ease;
        }

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

        @keyframes scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        .clients-track:hover {
            animation-play-state: paused;
        }

        .applications-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .application-card {
            background: linear-gradient(135deg, var(--light-gray), #ffffff);
            padding: 2.5rem 2rem;
            border-radius: 15px;
            text-align: center;
            transition: all 0.3s ease;
            border: 2px solid transparent;
        }

        .application-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary-color);
            box-shadow: 0 15px 40px rgba(200, 75, 49, 0.15);
            background: var(--white);
        }

        .application-icon {
            width: 80px;
            height: 80px;
            background: linear-gradient(135deg, var(--secondary-color), #f4d683);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.5rem;
        }

        .application-icon svg {
            width: 40px;
            height: 40px;
            stroke: white;
            fill: none;
            stroke-width: 2;
        }

        .application-card h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* Process Section */
        .process {
            background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
        }

        .process-timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .process-timeline::before {
            content: '';
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            width: 3px;
            height: 100%;
            background: linear-gradient(180deg, var(--primary-color), var(--secondary-color));
        }

        .process-step {
            display: flex;
            align-items: center;
            margin-bottom: 3rem;
            position: relative;
        }

        .process-step:nth-child(odd) {
            flex-direction: row;
        }

        .process-step:nth-child(even) {
            flex-direction: row-reverse;
        }

        .step-number {
            width: 70px;
            height: 70px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-red));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: 'Montserrat', sans-serif;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--white);
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            box-shadow: 0 5px 20px rgba(200, 75, 49, 0.4);
        }

        .step-content {
            width: 45%;
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px var(--shadow);
            transition: all 0.3s ease;
        }

        .process-step:nth-child(odd) .step-content {
            margin-right: auto;
        }

        .process-step:nth-child(even) .step-content {
            margin-left: auto;
        }

        .step-content:hover {
            transform: scale(1.05);
            box-shadow: 0 10px 30px rgba(200, 75, 49, 0.2);
        }

        .step-content h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 0.8rem;
        }

        .step-content p {
            color: var(--text-light);
            line-height: 1.7;
        }

        /* CTA Final Section */
        .cta-final {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-gray) 100%);
            color: var(--white);
            text-align: center;
        }

        /* Contact Form Section */
        .contact-form-section {
            background: var(--white);
            padding: 4rem 2rem;
        }

        .contact-form-section .section-title {
            color: var(--text-dark);
        }

        .form-container {
            max-width: 700px;
            margin: 0 auto;
            background: var(--light-gray);
            padding: 3rem;
            border-radius: 20px;
            box-shadow: 0 10px 40px var(--shadow);
        }

        .form-group {
            margin-bottom: 1.5rem;
        }

        .form-group label {
            display: block;
            color: var(--text-dark);
            font-weight: 600;
            margin-bottom: 0.5rem;
            font-size: 0.95rem;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 1rem 1.5rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-family: 'Poppins', sans-serif;
            font-size: 1rem;
            color: var(--text-dark);
            transition: all 0.3s ease;
            background: var(--white);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--whatsapp-green);
            box-shadow: 0 0 0 3px rgba(29, 169, 97, 0.1);
        }

        .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .btn-submit {
            background: var(--whatsapp-green);
            color: var(--white);
            padding: 1.2rem 3rem;
            border: none;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 6px 20px rgba(29, 169, 97, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            width: 100%;
            justify-content: center;
        }

        .btn-submit:hover {
            background: #128C7E;
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(29, 169, 97, 0.4);
        }

        .btn-submit:active {
            transform: translateY(-1px);
        }

        .cta-final h2 {
            font-family: 'Montserrat', sans-serif;
            font-size: 3rem;
            font-weight: 800;
            margin-bottom: 1.5rem;
            line-height: 1.3;
        }

        .cta-final p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 3rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn-cta-large {
            background: var(--primary-color);
            color: var(--white);
            padding: 1.2rem 3rem;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            font-size: 1.2rem;
            transition: all 0.3s ease;
            box-shadow: 0 8px 25px rgba(200, 75, 49, 0.4);
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
        }

        .btn-cta-large:hover {
            background: var(--accent-red);
            transform: translateY(-5px);
            box-shadow: 0 12px 35px rgba(200, 75, 49, 0.5);
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 4rem 2rem 2rem;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-section h3 {
            font-family: 'Montserrat', sans-serif;
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--white);
            margin-bottom: 1.5rem;
        }

        .footer-logo {
            margin-bottom: 1rem;
        }

        .footer-logo img {
            height: 80px;
            width: auto;
        }

        .footer-section p {
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
            transition: all 0.3s ease;
        }

        .contact-item a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .contact-item a:hover {
            color: var(--secondary-color);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 0.8rem;
        }

        .contact-icon {
            width: 35px;
            height: 35px;
            background: var(--dark-gray);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .contact-icon svg {
            width: 18px;
            height: 18px;
            stroke: white;
            fill: none;
            stroke-width: 2;
        }

        .footer-bottom {
            max-width: 1400px;
            margin: 0 auto;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInRight {
            from {
                opacity: 0;
                transform: translateX(50px);
            }
            to {
                opacity: 1;
                transform: translateX(0);
            }
        }

        /* Responsive Design */
        @media (max-width: 1024px) {
            .hero-container,
            .about-content,
            .service-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .hero-image {
                order: -1;
            }

            .about-stats {
                grid-template-columns: repeat(2, 1fr);
            }

            .process-timeline::before {
                left: 35px;
            }

            .process-step {
                flex-direction: row !important;
            }

            .step-number {
                left: 35px;
                transform: translateX(0);
            }

            .step-content {
                width: calc(100% - 120px);
                margin-left: 120px !important;
            }

            .cta-final h2 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background: var(--white);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                transition: left 0.3s ease;
                box-shadow: 0 5px 20px var(--shadow);
            }

            .nav-links.active {
                left: 0;
            }

            .menu-toggle {
                display: flex;
            }

            .cta-header {
                display: none;
            }

            .hero-content h1 {
                font-size: 2.5rem;
            }

            .hero-features {
                grid-template-columns: 1fr;
            }

            .hero-cta {
                flex-direction: column;
            }

            .section-title {
                font-size: 2rem;
            }

            .about-stats {
                grid-template-columns: 1fr;
            }

            .differentials-grid,
            .applications-grid {
                grid-template-columns: 1fr;
            }

            .cta-buttons {
                flex-direction: column;
            }

            .footer-content {
                grid-template-columns: 1fr;
            }
        }

        /* Scroll to top button */
        .scroll-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--primary-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-size: 1.5rem;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            box-shadow: 0 5px 20px rgba(200, 75, 49, 0.4);
            z-index: 999;
        }

        .scroll-top.visible {
            opacity: 1;
            visibility: visible;
        }

        .scroll-top:hover {
            background: var(--accent-red);
            transform: translateY(-5px);
        }

        /* WhatsApp Floating Button */
        .whatsapp-float {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: var(--whatsapp-green);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 25px rgba(29, 169, 97, 0.5);
            z-index: 1000;
            animation: pulse 2s infinite;
        }

        .whatsapp-float svg {
            width: 32px;
            height: 32px;
            fill: white;
        }

        .whatsapp-float:hover {
            background: #128C7E;
            transform: scale(1.1);
            box-shadow: 0 8px 30px rgba(29, 169, 97, 0.6);
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 5px 25px rgba(29, 169, 97, 0.5);
            }
            50% {
                box-shadow: 0 5px 35px rgba(29, 169, 97, 0.7);
            }
            100% {
                box-shadow: 0 5px 25px rgba(29, 169, 97, 0.5);
            }
        }

        /* Ajustar scroll-top quando tiver WhatsApp float */
        .scroll-top {
            bottom: 100px;
        }
		
		#header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(0,0,0,.03) 10px,
            rgba(0,0,0,.03) 20px
        );
    pointer-events: none;
    opacity: 0.3;
}