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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Open Sans', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            overflow-x: hidden;
        }

        .main-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            z-index: 1000;
            padding: 1rem 0;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 700;
            color: #2563eb;
            text-decoration: none;
        }

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

        .nav-links a {
            text-decoration: none;
            color: #333;
            font-weight: 500;
            transition: color 0.3s;
        }

        .nav-links a:hover {
            color: #2563eb;
        }

        .nav-cta {
            background: linear-gradient(135deg, #2563eb, #10b981);
            color: white;
            padding: 0.75rem 1.5rem;
            border-radius: 25px;
            text-decoration: none;
            font-weight: 600;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(37, 99, 235, 0.3);
        }

        .main-footer {
            background: #1a202c;
            color: #e2e8f0;
            padding: 3rem 0 2rem;
            margin-top: 4rem;
        }

        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            text-align: center;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 2rem;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: #cbd5e0;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: #2563eb;
        }

        .social-icons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .social-icon {
            width: 40px;
            height: 40px;
            background: #2d3748;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: #cbd5e0;
            transition: background 0.3s;
        }

        .social-icon:hover {
            background: #2563eb;
        }

        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #f59e0b, #10b981);
            color: white;
            padding: 1rem 2rem;
            border-radius: 30px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
            box-shadow: 0 5px 15px rgba(245, 158, 11, 0.3);
        }

        .cta-button:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 30px rgba(245, 158, 11, 0.4);
        }

        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: #2563eb;
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 1000;
        }

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

        .back-to-top:hover {
            background: #1d4ed8;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            
            .nav-container {
                padding: 0 1rem;
            }

            .footer-links {
                gap: 1rem;
            }
        }