:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --secondary: #10b981;
            --secondary-dark: #059669;
            --accent: #8b5cf6;
            --dark: #0f172a;
            --darker: #020617;
            --light: #f8fafc;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --white: #ffffff;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 25px -5px rgba(0,0,0,0.1);
            --shadow-xl: 0 20px 40px -10px rgba(0,0,0,0.15);
            --radius: 8px;
            --radius-lg: 12px;
            --radius-xl: 20px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        h1, h2, h3, h4, h5 {
            font-family: 'Manrope', sans-serif;
            font-weight: 700;
            line-height: 1.2;
        }

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .section {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 64px;
        }

        .section-title {
            font-size: 2.75rem;
            margin-bottom: 20px;
            color: var(--darker);
            position: relative;
            display: inline-block;
        }

        .section-subtitle {
            font-size: 1.25rem;
            color: var(--gray);
            max-width: 700px;
            margin: 0 auto;
        }

        .gradient-text {
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: inline-block;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 16px 32px;
            font-family: 'Manrope', sans-serif;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            gap: 8px;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-secondary {
            background-color: var(--secondary);
            color: var(--white);
            box-shadow: var(--shadow);
        }

        .btn-secondary:hover {
            background-color: var(--secondary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-outline:hover {
            background-color: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        .btn-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .feature-icon {
            width: 64px;
            height: 64px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius);
            margin-bottom: 24px;
            color: var(--white);
            font-size: 1.75rem;
        }

        .card {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }

        .card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-xl);
        }

        /* Header Styles */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            padding: 16px 0;
        }

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

        .logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-family: 'Manrope', sans-serif;
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--darker);
            text-decoration: none;
        }

        .logo-icon {
            color: var(--primary);
            font-size: 2rem;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 32px;
            align-items: center;
        }

        .nav-link {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            position: relative;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }

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

        .nav-cta {
            display: flex;
            gap: 12px;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--dark);
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding: 180px 0 120px;
            background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 100%;
            background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="%232563eb" opacity="0.03"/></svg>') no-repeat;
            background-size: cover;
        }

        .hero-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-text h1 {
            font-size: 3.5rem;
            margin-bottom: 24px;
            color: var(--darker);
        }

        .hero-text p {
            font-size: 1.25rem;
            color: var(--gray);
            margin-bottom: 40px;
        }

        .hero-features {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-feature {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .hero-feature i {
            color: var(--secondary);
            font-size: 1.25rem;
        }

        .hero-visual {
            position: relative;
        }

        .hero-card {
            background-color: var(--white);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-xl);
            position: relative;
        }

        .hero-card::before {
            content: '';
            position: absolute;
            top: -20px;
            left: -20px;
            width: 100%;
            height: 100%;
            border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            z-index: -1;
            opacity: 0.1;
        }

        .card-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .mini-card {
            background-color: var(--light);
            border-radius: var(--radius);
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .mini-card:hover {
            transform: translateY(-4px);
            background-color: #f0f9ff;
        }

        .mini-card i {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--primary);
        }

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

        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .mission-card {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .mission-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary) 0%, var(--accent) 100%);
        }

        /* Why Choose Us */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 32px;
        }

        .feature-card {
            text-align: center;
        }

        .feature-card h3 {
            margin-bottom: 16px;
            font-size: 1.5rem;
        }

        /* Services */
        .services {
            background-color: var(--light);
        }

        .services-tabs {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 48px;
        }

        .tab-btn {
            padding: 14px 28px;
            background-color: var(--white);
            border: 2px solid var(--light-gray);
            border-radius: var(--radius);
            font-family: 'Manrope', sans-serif;
            font-weight: 600;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }

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

        .tab-btn:hover:not(.active) {
            border-color: var(--primary);
            color: var(--primary);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .service-card {
            text-align: center;
        }

        .service-icon {
            width: 72px;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: 50%;
            margin: 0 auto 24px;
            color: var(--white);
            font-size: 1.75rem;
        }

        /* Testimonials */
        .testimonials-slider {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            overflow: hidden;
        }

        .testimonial-container {
            display: flex;
            transition: transform 0.5s ease;
        }

        .testimonial-card {
            min-width: 100%;
            padding: 0 20px;
        }

        .testimonial-content {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            position: relative;
        }

        .testimonial-content::before {
            content: '"';
            position: absolute;
            top: 20px;
            left: 40px;
            font-size: 6rem;
            color: var(--primary);
            opacity: 0.1;
            font-family: serif;
        }

        .stars {
            color: #fbbf24;
            font-size: 1.25rem;
            margin-bottom: 24px;
        }

        .testimonial-text {
            font-size: 1.125rem;
            font-style: italic;
            margin-bottom: 32px;
            color: var(--dark);
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
        }

        .author-avatar {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 600;
            font-size: 1.5rem;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 40px;
        }

        .slider-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--light-gray);
            cursor: pointer;
            transition: var(--transition);
        }

        .slider-dot.active {
            background-color: var(--primary);
            transform: scale(1.2);
        }

        /* FAQ */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 16px;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--light-gray);
        }

        .faq-question {
            padding: 24px;
            background-color: var(--white);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.125rem;
        }

        .faq-answer {
            padding: 0 24px;
            background-color: var(--white);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }

        .faq-answer.open {
            padding: 0 24px 24px;
            max-height: 300px;
        }

        .faq-toggle {
            font-size: 1.25rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-toggle {
            transform: rotate(45deg);
        }

        /* Contact */
        .contact-form-container {
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-form {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-lg);
        }

        .form-group {
            margin-bottom: 24px;
        }

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

        .form-control {
            width: 100%;
            padding: 16px;
            border: 1px solid var(--light-gray);
            border-radius: var(--radius);
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
        }

        .form-message {
            padding: 16px;
            border-radius: var(--radius);
            margin-top: 24px;
            display: none;
        }

        .form-message.success {
            background-color: #d1fae5;
            color: #065f46;
            display: block;
        }

        /* Newsletter */
        .newsletter {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: var(--white);
            padding: 80px 0;
            text-align: center;
        }

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

        .newsletter .section-subtitle {
            color: rgba(255, 255, 255, 0.8);
        }

        .newsletter-form {
            max-width: 600px;
            margin: 48px auto 0;
            background-color: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border-radius: var(--radius-lg);
            padding: 40px;
        }

        .newsletter .form-control {
            background-color: rgba(255, 255, 255, 0.9);
        }

        .form-check {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-top: 24px;
        }

        .form-check input {
            margin-top: 4px;
        }

        .form-check label {
            font-size: 0.95rem;
            text-align: left;
        }

        /* Footer */
        .footer {
            background-color: var(--darker);
            color: var(--white);
            padding: 80px 0 40px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 48px;
            margin-bottom: 60px;
        }

        .footer-logo {
            font-family: 'Manrope', sans-serif;
            font-weight: 800;
            font-size: 1.75rem;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .footer-logo i {
            color: var(--primary);
        }

        .footer-description {
            color: #94a3b8;
            margin-bottom: 32px;
        }

        .footer-title {
            font-size: 1.25rem;
            margin-bottom: 24px;
            color: var(--white);
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--white);
            padding-left: 4px;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #94a3b8;
        }

        .contact-item i {
            color: var(--primary);
            width: 20px;
        }

        .social-links {
            display: flex;
            gap: 16px;
            margin-top: 24px;
        }

        .social-link {
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: var(--white);
            text-decoration: none;
            transition: var(--transition);
        }

        .social-link:hover {
            background-color: var(--primary);
            transform: translateY(-3px);
        }

        .footer-bottom {
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 24px;
        }

        .footer-bottom-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .copyright {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        /* Popup */
        .popup-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            visibility: hidden;
            opacity: 0;
            transition: var(--transition);
            padding: 20px;
        }

        .popup-overlay.active {
            visibility: visible;
            opacity: 1;
        }

        .popup-content {
            background-color: var(--white);
            border-radius: var(--radius-lg);
            padding: 48px;
            max-width: 700px;
            width: 100%;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
        }

        .popup-close {
            position: absolute;
            top: 20px;
            right: 20px;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--gray);
            cursor: pointer;
            transition: var(--transition);
        }

        .popup-close:hover {
            color: var(--dark);
        }

        .popup-title {
            margin-bottom: 24px;
            color: var(--darker);
        }

        .popup-text {
            color: var(--gray);
            line-height: 1.7;
        }

        .popup-text h3 {
            margin: 24px 0 12px;
            color: var(--dark);
        }

        .popup-text ul {
            padding-left: 20px;
            margin: 16px 0;
        }

        .popup-text li {
            margin-bottom: 8px;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .hero-content, .about-content {
                grid-template-columns: 1fr;
            }
            
            .section-title {
                font-size: 2.5rem;
            }
            
            .hero-text h1 {
                font-size: 3rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 80px 0;
            }
            
            .nav-menu {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 32px;
                box-shadow: var(--shadow-lg);
                transform: translateY(-100%);
                opacity: 0;
                visibility: hidden;
                transition: var(--transition);
                gap: 24px;
                z-index: 999;
            }
            
            .nav-menu.active {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .nav-cta {
                flex-direction: column;
                width: 100%;
            }
            
            .btn-group {
                flex-direction: column;
                align-items: center;
            }
            
            .btn {
                width: 100%;
                max-width: 300px;
            }
            
            .hero {
                padding: 140px 0 80px;
            }
            
            .hero-text h1 {
                font-size: 2.5rem;
            }
            
            .contact-form, .newsletter-form {
                padding: 32px;
            }
            
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 16px;
            }
        }

        @media (max-width: 576px) {
            .section-title {
                font-size: 2rem;
            }
            
            .hero-text h1 {
                font-size: 2rem;
            }
            
            .card-grid {
                grid-template-columns: 1fr;
            }
            
            .services-tabs {
                flex-direction: column;
            }
            
            .tab-btn {
                width: 100%;
            }
            
            .popup-content {
                padding: 32px 24px;
            }
        }