        @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600&display=swap');

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

        body {
            font-family: 'Inter', sans-serif;
            text-align: center;
            color: #ffffff;
            background: #0a0a0a; /* Latar belakang gelap */
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
            position: relative;
        }

        #particles-js {
            position: absolute;
            width: 100%;
            height: 100%;
            top: 0;
            left: 0;
            z-index: -1;
        }

        .content {
            text-align: center;
        }

        h1 {
            font-size: 80px;
            font-weight: 600;
            color: #ff4444;
        }

        p {
            font-size: 18px;
            color: #ccc;
            margin-top: 10px;
        }

        .button {
            display: inline-block;
            margin-top: 20px;
            padding: 12px 24px;
            font-size: 16px;
            color: #ffffff;
            background: #007bff;
            border: none;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: 0.2s;
        }

        .button:hover {
            background: #0056b3;
        }

        @media (max-width: 480px) {
            h1 { font-size: 60px; }
            p { font-size: 16px; }
            .button { font-size: 14px; padding: 10px 20px; }
        }