body {
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
}

.header {
    padding: 0 100px;
}

.main {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin: 10px 100px;
}

.navigation {
    display: flex;
    justify-content: space-between;
}

.list {
    display: flex;
    list-style: none;
    gap: 10px;
    padding: 0;
}

.logo {
    height: 35px;
    width: 180px;
}

.nav_link {
    padding: 3px;
    border-radius: 5px;
    text-decoration: none;
}

.nav_link:hover {
    background-color: lightgray;
}

.nav_link:visited {
    color: black;
}

.main_title {
    font-size: 40px;
}

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

.poisk_img {
    height: 344px;
    width: 440px;
}

.btn {
    border: 2px solid darkblue;
    color: darkblue;
    border-radius: 25px;
    width: 100px;
    height: 40px;
}

.btn:hover {
    border-color: orange;
    color: orange;
}

.picture_section {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap:20px;
}

.sale_picture {
    height: 200px;
    border-top-left-radius: 25px;
    border-bottom-left-radius: 25px;
}

.app_picture {
    height: 200px;
    border-top-right-radius: 25px;
    border-bottom-right-radius: 25px;
}

.subtitle {
    font-size: 39px;
    font-weight: 900;
    color: darkblue;
    justify-self: center;
}

.orange_text {
    color: orange;
}

.grid_section {
    display: flex;
    flex-direction: column;
    align-items: center;
}


.full_row {
    grid-area: fullrow;
}

.nd {
    grid-area: nd;
}

.rd {
    grid-area: rd;
}

.grid_div {
    display: grid;
    grid-template: 1fr 1fr / 1fr 1fr;
    grid-template-areas: 
     "fullrow fullrow"
     "nd rd";
     gap: 30px;

}

.grid_el {
    display: flex;
    flex-direction: column;
    align-items: start;
    gap: 10px;
    justify-content: space-between;
    padding: 20px;
    background-color: lightgrey;
}

.grid_el_title {
    font-size: 26px;
    margin: 0;
    font-weight: 800;
}

.grid_el_p {
    padding: 0;
    font-size: 20px;
}

.el_btn {
    background-color: darkblue;
    color: white;
    border:none;
    padding: 15px;
    border-radius: 25px;
}

.business_banners {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.business_banner {
    height: 200px;
    border-top-left-radius: 25px;
    border-bottom-left-radius: 25px;
}

.blue_banner {
    box-sizing: border-box;
    height: 200px;
    padding: 20px;
    border-top-right-radius: 25px;
    border-bottom-right-radius: 25px;
    background-color: darkblue;
    color: white;
    width: 500px;
}

.office_btn_div {
    display: flex;
    justify-content: space-around;
}

.office_btn {
    background-color: transparent;
    border: 1px solid darkblue;
    text-transform: uppercase;
    font-weight: 700;
    border-radius: 25px;
    width: 200px;
    height: 40px;
    color:black
}

.office_btn:hover {
    background-color: darkblue;
    color: white;
}

.feedback_section {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gray_text { 
    color: gray;
}

.qa_list {
    flex-direction: column;
    border: 1px solid lightgray;
    border-radius: 50px;
    padding: 20px;
}

.footer {
    background-color: lightgrey;
    padding: 50px 100px;
    display: flex;
    justify-content: space-between;
}

.inf_div {
    display: flex;
    flex-direction: column;
}

.footer_link {
    padding: 3px;
    border-radius: 5px;
    text-decoration: none;
    color: darkblue;
}

.footer_link:hover {
    text-decoration: underline;
}

.footer_nav {
    display: flex;
    justify-content: space-between;
}