:root {
            --primary: #f83667; /* Red */
            --secondary: #f28482; /* Pink */
            --accent: #f77f00; /* Orange */
            --dark-bg: #1a1a2e;
            --dark-text: #f1f1f1;
            --dark-card: #16213e;
            --light-bg: #f8f9fa;
            --light-text: #333;
            --light-card: #fff;
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }

        body {
            background-color: var(--light-bg);
            color: var(--light-text);
            transition: var(--transition);
        }

        body.dark-mode {
            background-color: var(--dark-bg);
            color: var(--dark-text);
        }

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

        /* Header */
        header {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            padding: 20px 0;
            position: fixed;
            width: 100%;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }

        .dark-mode header {
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        }

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

        .logo {
            font-size: 28px;
            font-weight: 700;
            color: white;
            text-decoration: none;
            display: flex;
            align-items: center;
        }

        .logo i {
            margin-right: 10px;
        }

        nav ul {
            display: flex;
            list-style: none;
        }

        nav ul li {
            margin-left: 30px;
        }

        nav ul li a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            font-size: 16px;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 4px;
        }

        nav ul li a:hover {
            background-color: rgba(255, 255, 255, 0.2);
        }

        .theme-toggle {
            background: none;
            border: none;
            color: white;
            font-size: 20px;
            cursor: pointer;
            margin-left: 20px;
            transition: var(--transition);
        }

        .theme-toggle:hover {
            transform: rotate(30deg);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
        }

        /* Hero Section */
        .hero {
            padding: 180px 0 350px;
            text-align: center;
            background: url('https://cdn.pixabay.com/photo/2015/10/24/23/12/infographic-1005174_960_720.png') no-repeat center center/cover;
            position: relative;
            color: white;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
        }

        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
        }

        .hero p {
            font-size: 20px;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 18px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(231, 57, 70, 0.4);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(231, 57, 70, 0.6);
        }

        /* About Section */
        .about {
            padding: 100px 0;
            background-color: var(--light-card);
            transition: var(--transition);
        }

        .dark-mode .about {
            background-color: var(--dark-card);
        }

        .section-title {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-title h2 {
            font-size: 36px;
            display: inline-block;
            background: linear-gradient(to right, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 2px;
        }

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

        .about-text {
            flex: 1;
        }

        .about-text h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .about-text p {
            margin-bottom: 15px;
            line-height: 1.7;
        }

        .about-image {
            flex: 1;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }

        .dark-mode .about-image {
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

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

        .about-image:hover img {
            transform: scale(1.05);
        }

        /* Services Section */
        .services {
            padding: 100px 0;
            background-color: var(--light-bg);
            transition: var(--transition);
        }

        .dark-mode .services {
            background-color: var(--dark-bg);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 50px;
        }

        .service-card {
            background-color: var(--light-card);
            border-radius: 10px;
            padding: 30px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
            text-align: center;
            border-top: 4px solid var(--primary);
        }

        .dark-mode .service-card {
            background-color: var(--dark-card);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .service-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 30px rgba(231, 57, 70, 0.1);
        }

        .dark-mode .service-card:hover {
            box-shadow: 0 15px 30px rgba(231, 57, 70, 0.2);
        }

        .service-icon {
            font-size: 50px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 22px;
            margin-bottom: 15px;
            color:  #fac389;
        }

        .service-card p {
            line-height: 1.6;
            color: var(--light-text);
        }

        .dark-mode .service-card p {
            color: var(--dark-text);
        }

        /* Contact Section */
        .contact {
            padding: 100px 0;
            background-color: var(--light-card);
            transition: var(--transition);
        }

        .dark-mode .contact {
            background-color: var(--dark-card);
        }

        .contact-container {
            display: flex;
            gap: 50px;
        }

        .contact-info {
            flex: 1;
        }

        .contact-info h3 {
            font-size: 28px;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .contact-info p {
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .info-item {
            display: flex;
            align-items: center;
            margin-bottom: 20px;
        }

        .info-icon {
            width: 50px;
            height: 50px;
            background-color: rgba(230, 57, 70, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-right: 15px;
            color: var(--primary);
            font-size: 20px;
        }

        .info-text h4 {
            font-size: 18px;
            margin-bottom: 5px;
        }

        .info-text p {
            margin: 0;
            color: #666;
        }

        .dark-mode .info-text p {
            color: #aaa;
        }

        .contact-form {
            flex: 1;
            background-color: var(--light-bg);
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .dark-mode .contact-form {
            background-color: var(--dark-bg);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }

        .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: 5px;
            font-size: 16px;
            transition: var(--transition);
            background-color: var(--light-card);
            color: var(--light-text);
        }

        .dark-mode .form-control {
            background-color: var(--dark-card);
            border-color: #444;
            color: var(--dark-text);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }

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

        .submit-btn {
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            border: none;
            padding: 12px 30px;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            width: 100%;
        }

        .submit-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(231, 57, 70, 0.4);
        }

        /* Footer */
        footer {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: white;
            padding: 50px 0 20px;
            text-align: center;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .footer-column {
            flex: 1;
            min-width: 250px;
            margin-bottom: 30px;
            padding: 0 20px;
        }

        .footer-column h3 {
            font-size: 20px;
            margin-bottom: 20px;
            position: relative;
            display: inline-block;
        }

        .footer-column h3::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 40px;
            height: 2px;
            background-color: white;
        }

        .footer-column ul {
            list-style: none;
        }

        .footer-column ul li {
            margin-bottom: 10px;
        }

        .footer-column ul li a {
            color: white;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-column ul li a:hover {
            color: rgba(255, 255, 255, 0.8);
            padding-left: 5px;
        }

        .social-links {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
        }

        .social-links a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background-color: rgba(255, 255, 255, 0.2);
            border-radius: 50%;
            color: white;
            transition: var(--transition);
        }

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

        .copyright {
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
        }

        /* Back to Top Button */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            cursor: pointer;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
            z-index: 999;
        }

        .back-to-top.active {
            opacity: 1;
            visibility: visible;
        }

        .back-to-top:hover {
            transform: translateY(-5px);
        }

        /* Responsive Styles */
        @media (max-width: 992px) {
            .about-content, .contact-container {
                flex-direction: column;
            }
            
            .about-image, .about-text, .contact-info, .contact-form {
                width: 100%;
            }
            
            .hero h1 {
                font-size: 36px;
            }
            
            .hero p {
                font-size: 18px;
            }
        }

        @media (max-width: 768px) {
            nav ul {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: linear-gradient(135deg, var(--primary), var(--accent));
                flex-direction: column;
                padding: 20px 0;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
                z-index: 999;
            }
            
            nav ul.show {
                display: flex;
            }
            
            nav ul li {
                margin: 0;
                text-align: center;
                padding: 10px 0;
            }
            
            .mobile-menu-btn {
                display: block;
            }
            
            .theme-toggle {
                margin-left: 15px;
            }
            
            .hero {
                padding: 150px 0 80px;
            }
            
            .section-title h2 {
                font-size: 30px;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 28px;
            }
            
            .hero p {
                font-size: 16px;
            }
            
            .section-title h2 {
                font-size: 26px;
            }
            
            .service-card {
                padding: 20px;
            }
            
            .footer-column {
                min-width: 100%;
            }
        }

        /* Animation */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }

        .delay-1 {
            animation-delay: 0.2s;
        }

        .delay-2 {
            animation-delay: 0.4s;
        }

        .delay-3 {
            animation-delay: 0.6s;
        }