@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@100;200;300;400;500;600;700;800;900&display=swap');

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

.banner {
    display: grid;
    grid-template-columns: 1fr 1fr;
}

.banner .box {
    position: relative;
    height: 100vh;
    background: #fff;
}

.banner .box:last-child {
    background: #ff0;
}

header {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 60px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    position: relative;
    font-size: 1.4rem;
    color: #111;
    font-weight: 700;
    text-decoration: none;
}

header ul {
    display: flex;
}

header ul li {
    list-style: none;
    margin-left: 30px;
}

header ul li a {
    text-decoration: none;
    font-weight: normal;
    color: #bdbdbd;
    letter-spacing: 1px;
}

header ul li a:hover {
    color: #333;
}

.content {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 60px;
}

.content h2 {
    font-size: 4rem;
    color: #333;
}

.content h2 p {
    font-size: 1.1rem;
    color: #777;
    line-height: 1.8rem;
}

.btn {
    display: inline-block;
    font-size: 1.1rem;
    margin-top: 20px;
    color: #333;
    text-decoration: none;
    font-weight: 500;
    border: 2px solid #333;
    padding: 10px 30px;
    letter-spacing: 1px;
    transition: all 0.3s ease-in-out;
}

.btn:hover {
    background-color: #333;
    color: #fff;
    letter-spacing: 2px;
}

.sci {
    position: absolute;
    display: flex;
    justify-content: center;
    align-items: center;
    bottom: 30px;
    right: 60px;
}

.sci h3 {
    font-weight: 500;
    color: #bdbdbd;
    letter-spacing: 1px;
}

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

.sci li img {
    max-width: 30px;
}

.images {
    display: flex;
    flex-wrap: wrap;
}

.images .imgBx {
    position: relative;
    width: 50%;
    height: 50vh;
    background: #0f0;
}

.images .imgBx:nth-child(2) {
    background-color: #00f;
}

.images .imgBx:nth-child(3) {
    width: 100%;
    background-color: #ff0;
}

.images .imgBx img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* mediaquaries */

@media screen and (max-width: 991px) {
    .banner {
        grid-template-columns: 1fr;
    }

    header {
        padding: 20px 40px;
    }

    .content {
        padding: 40px;
    }

    .banner .box.content {
        height: 70vh;
    }

    .banner .box.images {
        height: auto;
    }
}

@media screen and (max-width: 600px) {
    .content h2 {
        font-size: 3rem;
    }

    .images .imgBx {
        position: relative;
        width: 100%;
        height: 40vh;
        background: #0f0;
    }
}

@media screen and (max-width: 356px) {
    header {
        padding: 20px 20px;
    }

    .content {
        padding: 20px;
    }
}

@media screen and (max-width: 320px) {
    header {
        padding: 20px 10px;
    }

    .content {
        padding: 10px;
    }
}