@import url('https://fonts.googleapis.com/css?family=Poppins:200,300,400,500,600,700,800,900&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

.main {
    position: relative;
    background: linear-gradient(120deg, #fff, #fff 62%, #3b5998 62%, #3b5998 100%);
    min-height: 100vh;
    padding: 0 100px;
    display: flex;
    align-items: center;
}

header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 30px 100px;
    display: flex;
    justify-content: flex-start;
    align-items: center;
}

header .logo img {
    max-width: 50px;
    margin-right: 20px;
}

header ul {
    display: flex;
}

header ul li {
    list-style: none;
    margin: 0 10px;
}

header ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}

header ul li a:hover,
header ul li a.active {
    color: #2d88ff;
}

.app {
    position: absolute;
    right: 100px;
    display: flex;
    justify-content: center;
    background: #fff;
    color: #3b5998;
    padding: 10px;
    border-radius: 5px;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.app:hover {
    background: #2d88ff;
    color: #fff;
}

.app ion-icon {
    margin-right: 10px;
    font-size: 1.4em;
}

.contentBx {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.contentBx .text {
    max-width: 800px;
}

.contentBx .text h2 {
    font-size: 6em;
    color: #3b5998;
}

.contentBx .text p {
    font-size: 1.1em;
    color: #333;
    line-height: 1.8em;
}

.contentBx .text h4 {
    margin-top: 20px;
    margin-bottom: 20px;
    font-weight: 700;
    color: #333;
}

.btn {
    background: #3b5998;
    color: #fff;
    display: inline-flex;
    text-decoration: none;
    padding: 10px 15px;
    font-size: 1.1em;
    margin: 5px 20px 5px 0;
    border-radius: 5px;
}

.btn:hover {
    background: #2d88ff;
}

.btn ion-icon {
    margin-right: 10px;
    font-size: 1.4em;
}

.imgBx img {
    margin-left: 50px;
    max-width: 300px;
    margin-right: 100px;
    display: none;
}

.imgBx img.active {
    display: block;
}

.dots {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 80px;
    display: flex;
    flex-direction: column;
}

.dots .dot {
    position: relative;
    width: 10px;
    height: 30px;
    background: rgba(255, 255, 255, 0.25);
    display: inline-flex;
    margin: 5px;
    cursor: pointer;
}

.dots .dot.active {
    background: #fff;
}

.sci {
    position: absolute;
    bottom: 30px;
    display: flex;
}

.sci li {
    list-style: none;
    margin-right: 20px;
}

.sci li  a {
    font-size: 1.8em;
    color: #3b5998;
}

.sci li  a:hover {
    color: #2d88ff;
}


/* Now, make it responsive */
@media (max-width: 991px){
    header {
        padding: 30px;
        justify-content: space-between;
    }
    .main {
        padding: 30px;
        background: #fff;
    }
    .app {
        display: none;
    }
    .contentBx {
        flex-direction: column-reverse;
        margin: 100% 0;
    }
    .imgBx img {
        margin: 0;
    }
    .dots {
        position: relative;
        top: initial;
        transform: none;
        right: initial;
        display: flex;
        flex-direction: row;
        margin-top: 20px;
    }
    .dots .dot {
        width: 25px;
        height: 10px;
        background: #3b5998;
        opacity: 0.2;
    }
    .dots .dot.active {
        background: #3b5998;
        opacity: 1;
    }
    .contentBx .text {
        text-align: center;
    }
    .contentBx .text h2 {
        font-size: 3em;
    }
    .sci {
        position: absolute;
        bottom: 30px;
        display: flex;
        left: 50%;
        transform: translateX(-50%);
    }
}