:root {
    --primary: #0288d1;
    --primary-dark: #01579b;
    --secondary: #26c6da;
    --secondary-dark: #00acc1;
    --accent: #43a047;
    --light: #e0f7fa;
    --dark: #1b262c;
    --gray: #607d8b;
    --light-gray: #cfd8dc;
    --border-radius: 8px;
    --box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --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: #fff;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        p {
            margin-bottom: 1rem;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
        }

        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.5rem;
            color: var(--primary);
            position: relative;
            display: inline-block;
            padding-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background-color: var(--secondary);
        }

        .btn {
            display: inline-block;
            padding: 12px 30px;
            border-radius: var(--border-radius);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-family: 'Poppins', sans-serif;
        }

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

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

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

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

        /* Header */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.95);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
        }

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

        .nav-links {
            display: flex;
            align-items: center;
        }

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

        .nav-links a {
            font-weight: 500;
            position: relative;
        }

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

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

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

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: linear-gradient(rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.9)), url('../img/hero.jpg');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 20px;
        }

        .hero p {
            font-size: 1.2rem;
            max-width: 700px;
            margin: 0 auto 40px;
            opacity: 0.9;
        }

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

        .about-content {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .about-text {
            flex: 1;
        }

        .about-text h2 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .about-stats {
            display: flex;
            margin-top: 40px;
            gap: 40px;
        }

        .stat-item {
            text-align: center;
        }

        .stat-value {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--primary);
        }

        .stat-label {
            font-size: 1rem;
            color: var(--gray);
        }

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

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

        /* Why Choose Us */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 30px;
        }

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

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

        .feature-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .feature-card h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

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

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

        .tab-btn {
            padding: 10px 25px;
            background-color: white;
            border: 2px solid var(--light-gray);
            border-radius: 50px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
        }

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

        .services-content {
            display: none;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 25px;
        }

        .services-content.active {
            display: grid;
        }

        .service-item {
            background-color: white;
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            text-align: center;
        }

        .service-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
        }

        .service-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        /* Testimonials */
        .testimonials-slider {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            overflow: hidden;
        }

        .testimonial-slide {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            text-align: center;
            display: none;
        }

        .testimonial-slide.active {
            display: block;
            animation: fadeIn 0.5s ease;
        }

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

        .client-img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin: 0 auto 20px;
            background-color: var(--light-gray);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
        }

        .client-rating {
            color: var(--secondary);
            margin-bottom: 15px;
        }

        .slider-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            margin-top: 30px;
            gap: 20px;
        }

        .slider-btn {
            background-color: var(--primary);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .slider-btn:hover {
            background-color: var(--primary-dark);
        }

        .slider-dots {
            display: flex;
            gap: 10px;
        }

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

        .dot.active {
            background-color: var(--primary);
        }

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

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

        .faq-question {
            padding: 20px;
            background-color: white;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            background-color: var(--light);
        }

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

        .faq-toggle {
            font-size: 1.2rem;
            transition: var(--transition);
        }

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

        /* Contact Form */
        .contact-section {
            background-color: var(--light);
        }

        .contact-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
        }

        .contact-form-container, .newsletter-container {
            background-color: white;
            padding: 40px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-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 var(--light-gray);
            border-radius: var(--border-radius);
            font-family: 'Roboto', sans-serif;
            font-size: 1rem;
            transition: var(--transition);
        }

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

        .checkbox-group {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .checkbox-group input {
            margin-right: 10px;
        }

        .confirmation-message {
            display: none;
            padding: 20px;
            background-color: #d4edda;
            color: #155724;
            border-radius: var(--border-radius);
            margin-top: 20px;
            text-align: center;
        }

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

        .footer-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            padding-bottom: 40px;
        }

        .footer-column h3 {
            font-size: 1.3rem;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 40px;
            height: 3px;
            background-color: var(--secondary);
        }

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

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

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

        .social-icons a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .social-icons a:hover {
            background-color: var(--secondary);
            color: var(--dark);
        }

        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.9rem;
            opacity: 0.8;
        }

        /* Modal */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            z-index: 2000;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .modal-content {
            background-color: white;
            border-radius: var(--border-radius);
            max-width: 800px;
            width: 100%;
            max-height: 80vh;
            overflow-y: auto;
            position: relative;
        }

        .modal-header {
            padding: 20px 30px;
            border-bottom: 1px solid var(--light-gray);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .modal-body {
            padding: 30px;
        }

        .modal-close {
            font-size: 1.5rem;
            cursor: pointer;
            background: none;
            border: none;
            color: var(--gray);
        }

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

        /* Responsive Styles */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.8rem;
            }
            
            .about-content {
                flex-direction: column;
            }
            
            .contact-container {
                grid-template-columns: 1fr;
            }
            
            .footer-content {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: white;
                flex-direction: column;
                align-items: center;
                padding: 20px 0;
                box-shadow: 0 10px 10px rgba(0, 0, 0, 0.1);
                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;
            }
            
            .mobile-toggle {
                display: block;
            }
            
            .hero h1 {
                font-size: 2.2rem;
            }
            
            .section-title h2 {
                font-size: 2rem;
            }
            
            .features-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            section {
                padding: 60px 0;
            }
            
            .hero {
                padding-top: 140px;
                padding-bottom: 80px;
            }
            
            .footer-content {
                grid-template-columns: 1fr;
            }
        }