/* Base Styles */
        :root {
            --primary: #8a2a9d;
            --secondary: #482653;
            --accent: #e9c46a;
            --light: #f8f9fa;
            --dark: #3d4034;
            --transition: all 0.4s ease;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        html {
            scroll-behavior: smooth;
        }
        
        body {
            color: var(--dark);
            background-color: var(--light);
            overflow-x: hidden;
        }
        
        section {
            min-height: 100vh;
            padding: 5rem 2rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            width: 100%;
        }
        
        h1, h2, h3 {
            margin-bottom: 1.5rem;
            color: var(--secondary);
        }
        
        h1 {
            font-size: 3.5rem;
            line-height: 1.2;
        }
        
        h2 {
            font-size: 2.5rem;
            text-align: center;
        }
        
        h3 {
            font-size: 1.8rem;
        }
        
        p {
            font-size: 1.1rem;
            line-height: 1.6;
            margin-bottom: 1.5rem;
        }
        
        .btn {
            display: inline-block;
            padding: 1rem 2rem;
            background-color: var(--primary);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(42, 157, 143, 0.3);
        }
        
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 20px rgba(42, 157, 143, 0.4);
            background-color: #23867b;
        }
        
        /* Navigation */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        
        nav.scrolled {
            padding: 0.5rem 0;
            background-color: rgba(255, 255, 255, 0.98);
        }
        
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 2rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
        }
        
        .logo i {
            margin-right: 0.5rem;
        }
        
        .nav-links {
            display: flex;
            list-style: none;
        }
        
        .nav-links li {
            margin-left: 2rem;
        }
        
        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        
        .nav-links a:after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }
        
        .nav-links a:hover:after {
            width: 100%;
        }
        
        .nav-links a:hover {
            color: var(--primary);
        }
        
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }
        
        /* Hero Section */
        #home {
            background: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(242,242,242,0.9) 100%);
            text-align: center;
            padding-top: 8rem;
        }
        
        .hero-content {
            max-width: 800px;
            margin: 0 auto 3rem;
        }
        
        .hero-image {
            width: 100%;
            height: 400px;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            position: relative;
        }
        
        .fade-image {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0;
            transition: opacity 1.5s ease-in-out;
        }
        
        .fade-image.active {
            opacity: 1;
        }
        .hero-content h2 {
            color: #7d1392;
        }
        
        /* About Section */
        #about {
            background-color: white;
        }
        
        .about-content {
            display: flex;
            align-items: center;
            gap: 4rem;
        }
        
        .about-text {
            flex: 1;
        }
        
        .about-image {
            flex: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
            height: 400px;
            position: relative;
        }
        
        /* Features Section */
        #features {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        
        .feature-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            text-align: center;
        }
        
        .feature-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .feature-icon {
            font-size: 3rem;
            color: var(--primary);
            margin-bottom: 1.5rem;
        }
        
        /* Benefits Section */
        #benefits {
            background-color: white;
        }
        
        .benefits-content {
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        
        .benefits-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
            margin: 2rem 0;
        }
        
        .benefit-item {
            display: flex;
            align-items: center;
            background: #f8f9fa;
            padding: 1.5rem;
            border-radius: 10px;
            transition: var(--transition);
        }
        
        .benefit-item:hover {
            background: #e9ecef;
            transform: translateX(5px);
        }
        
        .benefit-icon {
            font-size: 1.5rem;
            color: var(--primary);
            margin-right: 1rem;
        }
        
        /* Technology Section */
        #technology {
            background: linear-gradient(135deg, #264653 0%, #2a9d8f 100%);
            color: white;
        }
        
        #technology h2, #technology h3 {
            color: white;
        }
        
        .tech-content {
            display: flex;
            align-items: center;
            gap: 4rem;
        }
        
        .tech-text {
            flex: 1;
        }
        
        .tech-image {
            flex: 1;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            height: 400px;
            position: relative;
        }
        
        /* Get Started Section */
        #get-started {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
            text-align: center;
        }
        
        .cta-container {
            max-width: 800px;
            margin: 0 auto;
        }
        
        /* Footer */
        footer {
            background-color: var(--secondary);
            color: white;
            padding: 3rem 2rem;
            text-align: center;
        }
        
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
        }
        
        .social-links {
            display: flex;
            justify-content: center;
            gap: 1.5rem;
            margin: 2rem 0;
        }
        
        .social-links a {
            color: white;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        
        .social-links a:hover {
            color: var(--accent);
            transform: translateY(-3px);
        }
        
        /* Animations */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }
        
        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }
        
        /* Responsive Design */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.8rem;
            }
            
            h2 {
                font-size: 2.2rem;
            }
            
            .about-content, .tech-content {
                flex-direction: column;
                gap: 2rem;
            }
            
            .benefits-list {
                grid-template-columns: 1fr;
            }
        }
        
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-links {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                transition: var(--transition);
                box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
            }
            
            .nav-links.active {
                left: 0;
            }
            
            .nav-links li {
                margin: 1.5rem 0;
            }
            
            .hero-image, .about-image, .tech-image {
                height: 300px;
            }
        }
        
        @media (max-width: 576px) {
            section {
                padding: 4rem 1.5rem;
            }
            
            h1 {
                font-size: 2.2rem;
            }
            
            h2 {
                font-size: 1.8rem;
            }
            
            .hero-image, .about-image, .tech-image {
                height: 250px;
            }
        }

        /* Purification Process Section */
        #purification {
            background-color: white;
        }
        
        .process-container {
            display: flex;
            flex-direction: column;
            gap: 3rem;
            margin-top: 3rem;
        }
        
        .process-step {
            display: flex;
            align-items: center;
            gap: 3rem;
        }
        
        .process-step:nth-child(even) {
            flex-direction: row-reverse;
        }
        
        .step-content {
            flex: 1;
        }
        
        .step-image {
            flex: 1;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
            height: 300px;
        }
        
        .step-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .step-number {
            display: inline-block;
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            text-align: center;
            line-height: 40px;
            font-weight: bold;
            margin-right: 1rem;
        }
        
        /* Testimonials Section */
        #testimonials {
            background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
        }
        
        .testimonials-container {
            display: flex;
            gap: 2rem;
            margin-top: 3rem;
            flex-wrap: wrap;
            justify-content: center;
        }
        
        .testimonial-card {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            transition: var(--transition);
            max-width: 350px;
            position: relative;
        }
        
        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.12);
        }
        
        .testimonial-text {
            font-style: italic;
            margin-bottom: 1.5rem;
            position: relative;
        }
        
        .testimonial-text::before {
            content: '"';
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.2;
            position: absolute;
            top: -1.5rem;
            left: -1rem;
            font-family: Georgia, serif;
        }
        
        .testimonial-author {
            display: flex;
            align-items: center;
        }
        
        .author-image {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            overflow: hidden;
            margin-right: 1rem;
        }
        
        .author-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .author-details {
            display: flex;
            flex-direction: column;
        }
        
        .author-name {
            font-weight: 600;
        }
        
        .author-role {
            font-size: 0.9rem;
            color: #666;
        }
        
        .rating {
            color: var(--accent);
            margin-top: 0.5rem;
        }