* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0e17;
            color: #f0f0f0;
            line-height: 1.8;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #121826;
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 2px solid #f1c40f;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 24px;
            font-weight: 700;
            color: #f1c40f;
            text-decoration: none;
            letter-spacing: 1px;
        }
        .logo span {
            color: #e74c3c;
        }
        .navbar {
            display: flex;
            gap: 30px;
        }
        .navbar a {
            color: #f0f0f0;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }
        .navbar a:hover {
            color: #f1c40f;
        }
        .btn {
            padding: 10px 20px;
            border-radius: 5px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        .btn-download {
            background-color: #e74c3c;
            color: white;
            border: none;
        }
        .btn-download:hover {
            background-color: #c0392b;
            transform: translateY(-2px);
        }
        .btn-login {
            background-color: #3498db;
            color: white;
            border: none;
            margin-left: 10px;
        }
        .btn-login:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 28px;
            cursor: pointer;
            color: #f0f0f0;
        }
        .hero {
            padding: 60px 0;
            text-align: center;
            background: linear-gradient(rgba(10, 14, 23, 0.9), rgba(10, 14, 23, 0.9)), url('https://host.com/hero-bg.jpg') center/cover no-repeat;
            border-radius: 10px;
            margin: 30px 0;
        }
        .hero h1 {
            font-size: 48px;
            margin-bottom: 20px;
            color: #f1c40f;
            text-shadow: 0 0 10px rgba(241, 196, 15, 0.5);
        }
        .hero p {
            font-size: 18px;
            max-width: 800px;
            margin: 0 auto 30px;
            color: #e0e0e0;
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .main-content {
            padding: 40px 0;
        }
        section {
            margin-bottom: 60px;
        }
        h2 {
            font-size: 32px;
            margin-bottom: 30px;
            color: #f1c40f;
            border-left: 5px solid #e74c3c;
            padding-left: 15px;
        }
        h3 {
            font-size: 24px;
            margin: 25px 0 15px;
            color: #3498db;
        }
        p {
            margin-bottom: 20px;
            font-size: 16px;
            text-align: justify;
        }
        .highlight {
            font-weight: 700;
            color: #f1c40f;
        }
        .quote {
            font-style: italic;
            border-left: 3px solid #3498db;
            padding-left: 15px;
            margin: 30px 0;
            color: #d0d0d0;
        }
        .list {
            margin: 20px 0 30px 40px;
            list-style-type: disc;
        }
        .list li {
            margin-bottom: 10px;
            font-size: 16px;
        }
        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }
        .card {
            background-color: #121826;
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #1e293b;
            transition: transform 0.3s ease;
        }
        .card:hover {
            transform: translateY(-5px);
            border-color: #f1c40f;
        }
        .card h4 {
            font-size: 20px;
            margin-bottom: 15px;
            color: #3498db;
        }
        .card p {
            margin-bottom: 0;
        }
        .image-placeholder {
            width: 100%;
            height: 200px;
            background-color: #1e293b;
            border-radius: 8px;
            margin: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #94a3b8;
            font-size: 14px;
        }
        footer {
            background-color: #121826;
            padding: 60px 0 30px;
            border-top: 2px solid #f1c40f;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-column h4 {
            font-size: 18px;
            margin-bottom: 20px;
            color: #f1c40f;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: #d0d0d0;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: #f1c40f;
        }
        .recommendation {
            background-color: #1e293b;
            padding: 25px;
            border-radius: 10px;
            margin: 30px 0;
            border-left: 5px solid #3498db;
        }
        .recommendation h4 {
            font-size: 20px;
            margin-bottom: 15px;
            color: #f1c40f;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #1e293b;
            color: #94a3b8;
            font-size: 14px;
        }
        @media (max-width: 992px) {
            .navbar {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #121826;
                padding: 20px;
                gap: 15px;
                border-bottom: 1px solid #1e293b;
            }
            .navbar.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero p {
                font-size: 16px;
            }
        }
        @media (max-width: 768px) {
            .hero h1 {
                font-size: 28px;
            }
            h2 {
                font-size: 26px;
            }
            h3 {
                font-size: 20px;
            }
            .grid {
                grid-template-columns: 1fr;
            }
        }