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

        :root {
            --primary-color: #0066cc;
            --secondary-color: #004a99;
            --accent-color: #00aaff;
            --text-dark: #333;
            --text-light: #666;
            --bg-light: #f8f9fa;
            --white: #ffffff;
        }

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-dark);
        }

        /* Header Styles */
        header {
            background: var(--white);
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

        header.scrolled {
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary-color);
            text-decoration: none;
            transition: transform 0.3s ease;
        }

        .logo img {
            width: 150px;
        }

        .logo:hover {
            transform: scale(1.05);
        }

        .logo-placeholder {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.2rem;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 500;
            transition: color 0.3s ease;
            position: relative;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-color);
            transition: width 0.3s ease;
        }

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

        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }

        .burger {
            display: none;
            cursor: pointer;
            flex-direction: column;
            gap: 5px;
        }

        .burger div {
            width: 25px;
            height: 3px;
            background: var(--primary-color);
            transition: all 0.3s ease;
        }

        /* Main Content */
        main {
            margin-top: 80px;
        }

        section {
            padding: 4rem 5%;
            max-width: 1400px;
            margin: 0 auto;
        }

        /* Hero Section */
        .hero {
            background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
            color: white;
            text-align: center;
            padding: 6rem 5%;
            animation: fadeIn 1s ease;
        }

        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1rem;
            animation: slideDown 0.8s ease;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
            animation: slideUp 0.8s ease;
        }

        .cta-button {
            display: inline-block;
            padding: 1rem 2.5rem;
            background: var(--white);
            color: var(--primary-color);
            text-decoration: none;
            border-radius: 50px;
            font-weight: bold;
            transition: all 0.3s ease;
            animation: scaleIn 1s ease;
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.2);
        }

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

        .service-card {
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            animation: fadeInUp 0.6s ease forwards;
            opacity: 0;
        }

        .service-card:nth-child(1) { animation-delay: 0.1s; }
        .service-card:nth-child(2) { animation-delay: 0.2s; }
        .service-card:nth-child(3) { animation-delay: 0.3s; }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }

        .service-card i {
            font-size: 3rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }

        .service-card h3 {
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        /* Carousel */
        .carousel-container {
            position: relative;
            max-width: 800px;
            margin: 2rem auto;
            overflow: hidden;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
        }

        .carousel-wrapper {
            display: flex;
            transition: transform 0.5s ease;
        }

        .carousel-slide {
            min-width: 100%;
            height: 500px;
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--text-light);
        }

        .carousel-slide img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .carousel-button {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background: rgba(255,255,255,0.9);
            border: none;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--primary-color);
            transition: all 0.3s ease;
            z-index: 10;
        }

        .carousel-button:hover {
            background: white;
            transform: translateY(-50%) scale(1.1);
        }

        .carousel-button.prev {
            left: 20px;
        }

        .carousel-button.next {
            right: 20px;
        }

        .carousel-dots {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-top: 1rem;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ddd;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .dot.active {
            background: var(--primary-color);
            width: 30px;
            border-radius: 10px;
        }

        /* Video Section */
        .video-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }

        .video-placeholder {
            background: var(--bg-light);
            height: 250px;
            border-radius: 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        /* Contact Form */
        .contact-form {
            max-width: 600px;
            margin: 2rem auto;
            background: var(--white);
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.1);
        }

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

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

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: all 0.3s ease;
        }

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

        .form-group textarea {
            resize: vertical;
            min-height: 150px;
        }

        .submit-button {
            width: 100%;
            padding: 1rem;
            background: var(--primary-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .submit-button:hover {
            background: var(--secondary-color);
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.2);
        }

        /* Footer */
        footer {
            background: var(--text-dark);
            color: white;
            padding: 3rem 5%;
        }

        .footer-content {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }

        .footer-section h3 {
            margin-bottom: 1rem;
            color: var(--accent-color);
        }

        .social-links {
            display: flex;
            gap: 1rem;
            margin-top: 1rem;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-color);
            color: white;
            border-radius: 50%;
            text-decoration: none;
            transition: all 0.3s ease;
        }

        .social-links a:hover {
            background: var(--accent-color);
            transform: translateY(-5px);
        }

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

        .footer-links a {
            color: white;
            text-decoration: none;
            transition: color 0.3s ease;
            line-height: 2;
        }

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

        .footer-bottom {
            text-align: center;
            margin-top: 2rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        /* Animations */
        @keyframes fadeIn {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-50px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        @keyframes scaleIn {
            from {
                opacity: 0;
                transform: scale(0.8);
            }
            to {
                opacity: 1;
                transform: scale(1);
            }
        }

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

        /* Utility Classes */
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 1rem;
            color: var(--primary-color);
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-light);
            margin-bottom: 3rem;
            font-size: 1.1rem;
        }

        .hidden {
            display: none;
        }

        /* Responsive Design */
        @media (max-width: 768px) {
            .burger {
                display: flex;
            }

            .nav-links {
                position: fixed;
                right: -100%;
                top: 80px;
                flex-direction: column;
                background: var(--white);
                width: 100%;
                padding: 2rem;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                transition: right 0.3s ease;
            }

            .nav-links.active {
                right: 0;
            }

            .hero h1 {
                font-size: 2rem;
            }

            .hero p {
                font-size: 1rem;
            }

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

            .carousel-slide {
                height: 300px;
            }
        }