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

        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
        }

        header {
            background: linear-gradient(135deg, #4a6cf7, #6b8cff);
            color: white;
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

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

        .logo {
            font-size: 1.8rem;
            font-weight: bold;
        }

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

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

        .nav-links a:hover {
            color: #ffd700;
        }

        .hero {
            background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('https://source.unsplash.com/random/1600x900/?technology') center/cover no-repeat;
            height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            color: white;
        }

        .hero-content {
            max-width: 800px;
            padding: 2rem;
        }

        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1rem;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 2rem;
        }

        .btn {
            display: inline-block;
            background: #4a6cf7;
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: bold;
            transition: all 0.3s;
        }

        .btn:hover {
            background: #3b5acc;
            transform: translateY(-3px);
        }

        section {
            padding: 80px 0;
        }

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

        h2 {
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 3rem;
            color: #222;
        }

        footer {
            background: #222;
            color: #ddd;
            text-align: center;
            padding: 3rem 0;
        }

        @media (max-width: 768px) {
            .nav-links {
                gap: 1rem;
                font-size: 0.9rem;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }