:root {
            --primary: #1a5f7a;
            --secondary: #57cc99;
            --accent: #ff9a3c;
            --light: #f8f9fa;
            --dark: #212529;
            --gray: #6c757d;
            --light-blue: #c7f9cc;
            --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

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

        body {
            font-family: 'Roboto', sans-serif;
            line-height: 1.6;
            color: var(--dark);
            background-color: #f5f7fa;
        }

        h1,
        h2,
        h3,
        h4,
        h5 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        h1 {
            font-size: 2.8rem;
        }

        h2 {
            font-size: 2.2rem;
            position: relative;
            padding-bottom: 15px;
            margin-bottom: 2rem;
        }

        h2:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 70px;
            height: 4px;
            background: var(--secondary);
            border-radius: 2px;
        }

        h3 {
            font-size: 1.5rem;
        }

        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }

        section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }

        .section-header h2:after {
            left: 50%;
            transform: translateX(-50%);
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            font-family: 'Poppins', sans-serif;
        }

        .btn:hover {
            background: var(--secondary);
            color: white;
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }

        .btn-secondary {
            background: var(--secondary);
        }

        .btn-accent {
            background: var(--accent);
        }

        /* Header */
        header {
            background: white;
            box-shadow: var(--shadow);
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
        }

        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            display: flex;
            align-items: center;
        }

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

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

        .nav-links li {
            margin-left: 30px;
        }

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

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

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

        /* Hero Section */
        .hero {
            padding-top: 150px;
            background: linear-gradient(135deg, rgba(26, 95, 122, 0.9) 0%, rgba(87, 204, 153, 0.8) 100%), url('../images/hero.webp');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
        }

        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            color: white;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 2rem;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 2rem;
        }

        /* About Preview */
        .about {
            background: white;
        }

        .about-content {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .about-text {
            flex: 1;
        }

        .about-image {
            flex: 1;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .about-image img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Why Choose Us */
        .why-choose-us {
            background-color: var(--light);
        }

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

        .feature-card {
            background: white;
            padding: 30px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-10px);
        }

        .feature-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 1rem;
        }

        /* Services */
        .services-tabs {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
        }

        .tab-btn {
            padding: 10px 20px;
            background: white;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 30px;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 500;
        }

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

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: white;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-10px);
        }

        .service-icon {
            background: var(--light-blue);
            padding: 25px;
            text-align: center;
            font-size: 2.5rem;
            color: var(--primary);
        }

        .service-content {
            padding: 25px;
        }

        .service-content h3 {
            margin-bottom: 10px;
        }

        /* Testimonials */
        .testimonials {
            background: linear-gradient(135deg, rgba(26, 95, 122, 0.05) 0%, rgba(87, 204, 153, 0.05) 100%);
        }

        .testimonial-slider {
            max-width: 800px;
            margin: 0 auto;
            position: relative;
        }

        .testimonial {
            background: white;
            padding: 40px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            text-align: center;
        }

        .client-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 20px;
            overflow: hidden;
            border: 4px solid var(--light-blue);
        }

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

        .client-name {
            font-weight: 600;
            color: var(--primary);
            margin-top: 15px;
        }

        .client-role {
            color: var(--gray);
            font-size: 0.9rem;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            margin-top: 30px;
            gap: 10px;
        }

        .slider-btn {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--gray);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

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

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

        .faq-item {
            margin-bottom: 15px;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0, 0, 0, 0.08);
        }

        .faq-question {
            padding: 20px;
            background: white;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 500;
        }

        .faq-question i {
            transition: var(--transition);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
            background: white;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
        }

        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }

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

        .contact-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 50px;
        }

        .contact-form {
            background: var(--light);
            padding: 40px;
            border-radius: 8px;
            box-shadow: var(--shadow);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-family: 'Roboto', sans-serif;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            outline: none;
        }

        /* Footer */
        footer {
            background: var(--dark);
            color: white;
            padding: 70px 0 20px;
        }

        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: white;
            margin-bottom: 20px;
            display: block;
        }

        .footer-links h3,
        .footer-services h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            color: white;
        }

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

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

        .footer-links a,
        .footer-services a {
            color: #ccc;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover,
        .footer-services a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }

        .social-icons {
            display: flex;
            gap: 15px;
            margin-top: 20px;
        }

        .social-icons a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 50%;
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            color: #aaa;
            font-size: 0.9rem;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.7);
            z-index: 2000;
            justify-content: center;
            align-items: center;
        }

        .modal-content {
            background: white;
            width: 90%;
            max-width: 800px;
            max-height: 80vh;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
        }

        .modal-header {
            padding: 20px;
            background: var(--primary);
            color: white;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-body {
            padding: 30px;
            overflow-y: auto;
            max-height: calc(80vh - 70px);
        }

        .close-modal {
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Success Message */
        .success-message {
            background: var(--secondary);
            color: white;
            padding: 15px;
            border-radius: 4px;
            margin-top: 20px;
            display: none;
            text-align: center;
        }

        /* Responsive */
        @media (max-width: 992px) {
            h1 {
                font-size: 2.4rem;
            }

            h2 {
                font-size: 1.8rem;
            }

            .about-content {
                flex-direction: column;
            }

            .hero {
                padding-top: 130px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }

            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
            }

            .nav-links.active {
                transform: translateY(0);
                opacity: 1;
            }

            .nav-links li {
                margin: 15px 0;
            }

            .hero-btns {
                flex-direction: column;
                align-items: center;
            }

            .btn {
                width: 80%;
                max-width: 300px;
                margin-bottom: 10px;
            }
        }

        @media (max-width: 576px) {
            section {
                padding: 60px 0;
            }

            h1 {
                font-size: 2rem;
            }

            .contact-form {
                padding: 25px;
            }

            .modal-content {
                width: 95%;
            }
        }