:root {
            --primary: #4361ee;
            --primary-dark: #3a56d4;
            --secondary: #3f37c9;
            --accent: #4895ef;
            --light: #f8f9fa;
            --dark: #212529;
            --success: #4cc9f0;
            --warning: #f72585;
            --gray: #6c757d;
            --light-gray: #e9ecef;
        }

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

        body {
            font-family: 'Poppins', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f5f7ff;
        }

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

        /* Header Styles */
        header {
            background-color: white;
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

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

        .logo {
            display: flex;
            align-items: center;
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
        }

        .logo i {
            margin-right: 10px;
            color: var(--accent);
        }

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

        nav ul li {
            margin-left: 30px;
        }

        nav ul li a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .cta-button {
            background-color: var(--primary);
            color: white;
            padding: 10px 20px;
            border-radius: 5px;
            font-weight: 600;
            transition: background-color 0.3s;
        }

        .cta-button:hover {
            background-color: var(--primary-dark);
            color: white;
        }

        /* Hero Section */
        .hero {
            padding: 180px 0 100px;
            background: linear-gradient(135deg, #f5f7ff 0%, #e8ecff 100%);
            text-align: center;
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .hero p {
            font-size: 20px;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto 40px;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
        }

        .primary-button {
            background-color: var(--primary);
            color: white;
            padding: 15px 30px;
            border-radius: 5px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            border: none;
            cursor: pointer;
            font-size: 16px;
        }

        .primary-button:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
        }

        .secondary-button {
            background-color: white;
            color: var(--primary);
            padding: 15px 30px;
            border-radius: 5px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            border: 2px solid var(--primary);
            cursor: pointer;
            font-size: 16px;
        }

        .secondary-button:hover {
            background-color: var(--light);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .hero-image {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            margin-top: 50px;
        }

        /* Features Section */
        .features {
            padding: 100px 0;
            background-color: white;
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-title h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-title p {
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .feature-card {
            background-color: var(--light);
            border-radius: 10px;
            padding: 30px;
            transition: transform 0.3s, box-shadow 0.3s;
        }

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

        .feature-icon {
            font-size: 40px;
            color: var(--accent);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color: var(--dark);
        }

        .feature-card p {
            color: var(--gray);
        }

        /* How It Works Section */
        .how-it-works {
            padding: 100px 0;
            background-color: #f5f7ff;
        }

        .steps {
            display: flex;
            flex-direction: column;
            gap: 40px;
            max-width: 800px;
            margin: 0 auto;
        }

        .step {
            display: flex;
            align-items: flex-start;
            gap: 20px;
        }

        .step-number {
            background-color: var(--primary);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            flex-shrink: 0;
        }

        .step-content h3 {
            font-size: 22px;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .step-content p {
            color: var(--gray);
        }

        /* Upload Section */
        .upload-section {
            padding: 100px 0;
            background-color: white;
            text-align: center;
        }

        .upload-container {
            max-width: 800px;
            margin: 0 auto;
            background-color: var(--light);
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

        .upload-container h2 {
            font-size: 32px;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .upload-container p {
            color: var(--gray);
            margin-bottom: 30px;
        }

        .upload-form {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .form-group {
            text-align: left;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
            color: var(--dark);
        }

        .form-group input[type="file"] {
            width: 100%;
            padding: 12px;
            border: 2px dashed var(--gray);
            border-radius: 5px;
            background-color: white;
        }

        .form-group textarea {
            width: 100%;
            padding: 15px;
            border: 1px solid var(--light-gray);
            border-radius: 5px;
            resize: vertical;
            min-height: 150px;
            font-family: inherit;
        }

        .or-separator {
            display: flex;
            align-items: center;
            margin: 20px 0;
            color: var(--gray);
        }

        .or-separator::before,
        .or-separator::after {
            content: "";
            flex: 1;
            border-bottom: 1px solid var(--light-gray);
        }

        .or-separator::before {
            margin-right: 10px;
        }

        .or-separator::after {
            margin-left: 10px;
        }

        /* Testimonials */
        .testimonials {
            padding: 100px 0;
            background-color: #f5f7ff;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .testimonial-card {
            background-color: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
        }

        .testimonial-text {
            font-style: italic;
            color: var(--dark);
            margin-bottom: 20px;
            position: relative;
        }

        .testimonial-text::before {
            content: '"';
            font-size: 60px;
            color: var(--light-gray);
            position: absolute;
            top: -20px;
            left: -10px;
            z-index: 0;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
        }

        .author-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            margin-right: 15px;
            object-fit: cover;
        }

        .author-info h4 {
            font-size: 18px;
            margin-bottom: 5px;
        }

        .author-info p {
            color: var(--gray);
            font-size: 14px;
        }

        /* Pricing Section */
        .pricing {
            padding: 100px 0;
            background-color: white;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .pricing-card {
            background-color: var(--light);
            border-radius: 10px;
            padding: 40px 30px;
            text-align: center;
            transition: transform 0.3s, box-shadow 0.3s;
        }

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

        .pricing-card.popular {
            border: 2px solid var(--primary);
            position: relative;
        }

        .popular-badge {
            position: absolute;
            top: -15px;
            right: 20px;
            background-color: var(--primary);
            color: white;
            padding: 5px 15px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
        }

        .pricing-card h3 {
            font-size: 24px;
            margin-bottom: 20px;
        }

        .price {
            font-size: 48px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .price span {
            font-size: 16px;
            font-weight: 400;
            color: var(--gray);
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 30px;
        }

        .pricing-features li {
            padding: 10px 0;
            border-bottom: 1px solid var(--light-gray);
            color: var(--gray);
        }

        .pricing-features li:last-child {
            border-bottom: none;
        }

        /* CTA Section */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: white;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 36px;
            margin-bottom: 20px;
        }

        .cta-section p {
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }

        /* Footer */
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 20px;
        }

        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            font-size: 24px;
            font-weight: 700;
            color: white;
            margin-bottom: 20px;
            display: inline-block;
        }

        .footer-about p {
            opacity: 0.7;
            margin-bottom: 20px;
        }

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

        .social-links a {
            color: white;
            font-size: 20px;
            opacity: 0.7;
            transition: opacity 0.3s;
        }

        .social-links a:hover {
            opacity: 1;
        }

        .footer-links h3 {
            font-size: 18px;
            margin-bottom: 20px;
            color: white;
        }

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

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: white;
            opacity: 0.7;
            text-decoration: none;
            transition: opacity 0.3s;
        }

        .footer-links ul li a:hover {
            opacity: 1;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            opacity: 0.7;
            font-size: 14px;
        }

        /* Loader */
        #loader {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            background: rgba(255, 255, 255, 0.9);
            z-index: 9999;
            justify-content: center;
            align-items: center;
            flex-direction: column;
        }

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

        .loader-spinner {
            border: 5px solid var(--light-gray);
            border-top: 5px solid var(--primary);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }

        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        /* Responsive Styles */
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                padding: 15px 0;
            }

            nav ul {
                margin-top: 20px;
            }

            nav ul li {
                margin-left: 15px;
            }

            .hero {
                padding: 150px 0 80px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .hero p {
                font-size: 18px;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 15px;
            }

            .section-title h2 {
                font-size: 30px;
            }
        }

        @media (max-width: 480px) {
            nav ul {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }

            nav ul li {
                margin-left: 0;
            }

            .hero h1 {
                font-size: 30px;
            }

            .upload-container {
                padding: 30px 20px;
            }
        }