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

body {
    font-family: 'Arial', sans-serif;
    background-color: #F8F8FC;
    color: #333;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: #fff;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 30px;
    margin-right: 10px;
}

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

nav ul li {
    margin-right: 20px;
}

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.header-buttons {
    display: flex;
}

.header-buttons .btn {
    text-decoration: none;
    padding: 10px 20px;
    border-radius: 25px;
    font-size: 14px;
    margin-left: 10px;
}

.contact {
    background-color: transparent;
    color: #333;
    border: 2px solid #333;
}

.demo {
    background-color: #333;
    color: #fff;
}

main {
    padding: 50px 100px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.text-section {
    max-width: 50%;
}

.text-section h1 {
    font-size: 48px;
    margin-bottom: 20px;
    color: #2B2B55;
}

.text-section p {
    font-size: 18px;
    margin-bottom: 20px;
}

.app-buttons {
    display: flex;
}

.app-buttons a {
    margin-right: 10px;
}

.app-buttons img {
    height: 50px;
}

.image-section img {
    max-width: 100%;
    height: auto;
}

/* Media Queries for Tablets and Mobile Devices */

@media (max-width: 1024px) {
    main {
        flex-direction: column;
        padding: 40px 30px;
    }

    .text-section {
        max-width: 100%;
        text-align: center;
    }

    .image-section {
        margin-top: 40px;
        max-width: 80%;
        text-align: center;
    }

    header {
        padding: 20px 40px;
    }

    nav ul {
        flex-direction: column;
        align-items: center;
        padding: 20px 0;
    }

    nav ul li {
        margin: 10px 0;
    }

    .header-buttons {
        flex-direction: column;
    }

    .header-buttons .btn {
        margin: 10px 0;
    }

    .text-section h1 {
        font-size: 36px;
    }

    .text-section p {
        font-size: 16px;
    }

    .app-buttons {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
    }

    nav ul {
        flex-direction: column;
    }

    .text-section h1 {
        font-size: 28px;
    }

    .text-section p {
        font-size: 14px;
    }

    .app-buttons img {
        height: 40px;
    }

    main {
        padding: 20px;
        text-align: center;
    }

    .content {
        flex-direction: column;
    }

    .image-section img {
        max-width: 100%;
        margin-top: 20px;
    }
}