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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        /* Header */
        header {
            position: fixed;
            top: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 5%;
            transition: all 0.3s ease;
            box-shadow: 0 2px 20px rgba(0,0,0,0.1);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            color: #ff8a65;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-links a:hover {
            color: #ff8a65;
        }

        .cta-btn {
            background: linear-gradient(45deg, #ff8a65, #d84315);
            color: white;
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 50px;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            text-decoration: none;
            display: inline-block;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(216, 67, 21,0.4);
        }

        /* Hero Section */
        .hero {
            height: 100vh;
            background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), 
                        url('../images/hero.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            color: white;
            padding: 0 5%;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
            animation: fadeInUp 1s ease;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            max-width: 900px;
            animation: fadeInUp 1s ease 0.2s both;
        }

        .hero-buttons {
            display: flex;
            gap: 1rem;
            animation: fadeInUp 1s ease 0.4s both;
        }

        .hero-btn-secondary {
            background: transparent;
            color: white;
            border: 2px solid white;
            padding: 0.8rem 2rem;
            border-radius: 50px;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .hero-btn-secondary:hover {
            background: white;
            color: #ff8a65;
        }

        /* Sections */
        section {
            padding: 80px 5%;
            max-width: 100%;
            margin: 0 auto;
        }

        h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #ff8a65;
        }

        /* About Section */
        .about {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-image {
            background: linear-gradient(45deg, #f8efec, #f8e4dd);
            height: 400px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: #ff8a65;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 1rem;
            color: #333;
        }

        .about-text ul {
            list-style: none;
            padding-left: 0;
        }

        .about-text li {
            padding: 0.5rem 0;
            font-size: 1.1rem;
        }

        .about-text i {
            color: #ff8a65;
            margin-right: 1rem;
        }

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

        .service-card {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 40px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            border-top: 4px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 20px 60px rgba(0,0,0,0.15);
            border-top-color: #ff8a65;
        }

        .service-icon {
            font-size: 3rem;
            color: #ff8a65;
            margin-bottom: 1rem;
        }

        /* Why Choose Us */
        .features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .feature {
            text-align: center;
            padding: 2rem;
        }

        .feature i {
            font-size: 3rem;
            color: #ff8a65;
            margin-bottom: 1rem;
        }

        /* Warranty */
        .warranty-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 2rem;
            text-align: center;
        }

        .warranty-item {
            background: linear-gradient(45deg, #ff8a65, #d84315);
            color: white;
            padding: 2rem;
            border-radius: 15px;
        }

        .warranty-learn {
            display: block;
            margin-top: 1rem;
            color: #f8efec;
            text-decoration: none;
            font-weight: 600;
        }

        /* Contact Form */
        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            max-width: 1000px;
            margin: 0 auto;
        }

        .contact-info h3 {
            color: #ff8a65;
            margin-bottom: 1rem;
        }

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

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e0e0e0;
            border-radius: 10px;
            font-size: 1rem;
            transition: border-color 0.3s ease;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: #ff8a65;
        }

        /* Testimonials */
        .testimonial-container {
            overflow: hidden;
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .testimonial {
            display: none;
            text-align: center;
            padding: 2rem;
        }

        .testimonial.active {
            display: block;
            animation: slideIn 0.5s ease;
        }

        .testimonial-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background: #ff8a65;
            margin: 0 auto 1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 2rem;
        }

        .testimonial-nav {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-top: 2rem;
        }

        .testimonial-nav button {
            background: #ff8a65;
            color: white;
            border: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            cursor: pointer;
            transition: background 0.3s ease;
        }

        /* Footer */
        footer {
            background: #263238;
            color: white;
            padding: 3rem 5% 1rem;
        }

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

        .footer-section h3 {
            color: #ff8a65;
            margin-bottom: 1rem;
        }

        .footer-section a {
            color: #b0bec5;
            text-decoration: none;
            display: block;
            margin-bottom: 0.5rem;
        }

        .social-icons {
            display: flex;
            gap: 1rem;
        }

        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: #ff8a65;
            border-radius: 50%;
            transition: transform 0.3s ease;
        }

        .social-icons a:hover {
            transform: translateY(-3px);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #455a64;
            color: #b0bec5;
        }

        /* Popups */
        .popup {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.8);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .popup-content {
            background: white;
            padding: 2rem;
            border-radius: 20px;
            max-width: 600px;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
            width: 90%;
        }

        .close-popup {
            position: absolute;
            top: 1rem;
            right: 1.5rem;
            font-size: 2rem;
            cursor: pointer;
            color: #666;
        }

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

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

        /* Responsive */
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }

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

            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }

            .about,
            .contact-container {
                grid-template-columns: 1fr;
            }

            header {
                padding: 1rem 2%;
            }
        }

        /* Smooth scrolling */
        html {
            scroll-behavior: smooth;
        }

        /* Newsletter popup specific */
        .newsletter-popup .form-group {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .newsletter-popup .form-group input {
            flex: 1;
        }

        .newsletter-popup .checkbox-group {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1rem;
        }