:root {
            --primary: #1a365d;
            --primary-light: #2d5a87;
            --secondary: #0891b2;
            --accent: #f59e0b;
            --text-primary: #1f2937;
            --text-secondary: #6b7280;
            --text-light: #9ca3af;
            --bg-white: #ffffff;
            --bg-gray: #f9fafb;
            --bg-dark: #111827;
            --border-light: #e5e7eb;
            --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
            --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
        }

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

        body {
            font-family: 'Inter', system-ui, sans-serif;
            line-height: 1.6;
            color: var(--text-primary);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Header */
        .header {
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid var(--border-light);
        }

        .nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-weight: 700;
            font-size: 1.5rem;
            color: var(--primary);
            text-decoration: none;
        }

        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

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

        .nav-link {
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 500;
            transition: color 0.3s ease;
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: 8px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

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

        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

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

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-primary);
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
            padding: 8rem 0 6rem;
            margin-top: 80px;
        }

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

        .hero-text h1 {
            font-size: 3.5rem;
            font-weight: 700;
            line-height: 1.1;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }

        .hero-text .highlight {
            background: linear-gradient(135deg, var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-text p {
            font-size: 1.25rem;
            color: var(--text-secondary);
            margin-bottom: 2rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            margin-bottom: 3rem;
        }

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

        .stat {
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }

        .stat-label {
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-card {
            background: white;
            border-radius: 16px;
            padding: 3rem;
            box-shadow: var(--shadow-lg);
            position: relative;
            border: 1px solid var(--border-light);
        }

        .dna-visualization {
            width: 200px;
            height: 200px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 4rem;
        }

        /* Section Styles */
        .section {
            padding: 6rem 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 4rem;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-subtitle {
            display: inline-block;
            background: var(--bg-gray);
            color: var(--secondary);
            padding: 0.5rem 1rem;
            border-radius: 20px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 1rem;
            border: 1px solid var(--border-light);
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .section-description {
            font-size: 1.125rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        .service-card {
            background: white;
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 2rem;
            transition: all 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--secondary);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            margin-bottom: 1.5rem;
        }

        .service-title {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .service-description {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.6;
        }

        .feature-list {
            list-style: none;
            margin-bottom: 1.5rem;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.5rem;
            color: var(--text-secondary);
            font-size: 0.875rem;
        }

        .feature-list .check-icon {
            color: var(--secondary);
            width: 16px;
            height: 16px;
        }

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

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

        .about-text h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 1rem;
            color: var(--text-primary);
        }

        .about-text p {
            color: var(--text-secondary);
            margin-bottom: 1.5rem;
            line-height: 1.7;
        }

        .about-features {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.5rem;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .feature-icon {
            width: 40px;
            height: 40px;
            background: var(--secondary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
        }

        .feature-text {
            flex: 1;
        }

        .feature-text h4 {
            font-weight: 600;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }

        .feature-text p {
            font-size: 0.875rem;
            color: var(--text-light);
            margin: 0;
        }

        /* Contact Section */
        .contact {
            background: white;
        }

        .contact-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
        }

        .contact-info h3 {
            font-size: 1.5rem;
            font-weight: 600;
            margin-bottom: 2rem;
            color: var(--text-primary);
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 1rem;
            margin-bottom: 1.5rem;
        }

        .contact-icon {
            width: 50px;
            height: 50px;
            background: var(--bg-gray);
            border: 1px solid var(--border-light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
        }

        .contact-details h4 {
            font-weight: 600;
            margin-bottom: 0.25rem;
            color: var(--text-primary);
        }

        .contact-details p {
            color: var(--text-secondary);
            margin: 0;
        }

        .contact-form {
            background: var(--bg-gray);
            border: 1px solid var(--border-light);
            border-radius: 12px;
            padding: 2rem;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
            margin-bottom: 1rem;
        }

        .form-group {
            display: flex;
            flex-direction: column;
        }

        .form-group.full {
            grid-column: 1 / -1;
        }

        .form-label {
            font-weight: 500;
            margin-bottom: 0.5rem;
            color: var(--text-primary);
        }

        .form-input,
        .form-select,
        .form-textarea {
            padding: 0.75rem;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            font-family: inherit;
            transition: border-color 0.3s ease;
        }

        .form-input:focus,
        .form-select:focus,
        .form-textarea:focus {
            outline: none;
            border-color: var(--secondary);
        }

        .form-textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-checkbox {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin: 1rem 0;
        }

        .form-checkbox input {
            width: 16px;
            height: 16px;
        }

        .form-checkbox label {
            font-size: 0.875rem;
            color: var(--text-secondary);
        }

        /* Footer */
        .footer {
            background: var(--bg-dark);
            color: #9ca3af;
            padding: 3rem 0 1.5rem;
        }

        .footer-content {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            margin-bottom: 2rem;
        }

        .footer-brand h3 {
            color: white;
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 1rem;
        }

        .footer-brand p {
            line-height: 1.6;
            margin-bottom: 1rem;
        }

        .footer-section h4 {
            color: white;
            font-weight: 600;
            margin-bottom: 1rem;
        }

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

        .footer-links li {
            margin-bottom: 0.5rem;
        }

        .footer-links a {
            color: #9ca3af;
            text-decoration: none;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid #374151;
            padding-top: 1.5rem;
            text-align: center;
            font-size: 0.875rem;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }

            .nav-links {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .hero {
                padding: 6rem 0 4rem;
            }

            .hero-content {
                grid-template-columns: 1fr;
                gap: 3rem;
                text-align: center;
            }

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

            .hero-actions {
                justify-content: center;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 1rem;
            }

            .section {
                padding: 4rem 0;
            }

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

            .services-grid {
                grid-template-columns: 1fr;
            }

            .about-content,
            .contact-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

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

            .form-grid {
                grid-template-columns: 1fr;
            }

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

        /* Animation Classes */
        .fade-in {
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.6s ease;
        }

        .fade-in.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .slide-in-left {
            opacity: 0;
            transform: translateX(-30px);
            transition: all 0.6s ease;
        }

        .slide-in-left.visible {
            opacity: 1;
            transform: translateX(0);
        }

        .slide-in-right {
            opacity: 0;
            transform: translateX(30px);
            transition: all 0.6s ease;
        }

        .slide-in-right.visible {
            opacity: 1;
            transform: translateX(0);
        }