html,
body {
    height: 100%;
    box-sizing: border-box;
    font-size: 16px;
}
body {
    font-family: "Roboto", sans-serif;
    margin: 0;
    position: relative;
}

p, h2, h5 {
    margin: 0;
}

h4 {
    margin: 10px 0;
}

ul {
    padding: 0;
    margin: 0;
    list-style: none;
}

.container {
    margin: 0 auto;
    max-width: 1140px;
}

main,
header {
    max-width: 1927px;
    margin: 0 auto;
    box-sizing: border-box;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 30px 25px;
    margin-bottom: 50px!important;
}

.contact-us,
nav a {
    text-transform: uppercase;
    text-decoration: none;
    color: #000;
    font-size: 16px;
    font-weight: 500;
}

nav a:hover {
    color: #525fe6;
}

nav a:not(:last-child) {
    margin-right: 20px;
}

.write-to-us,
.contact-us {
    background: #525fe6;
    border-radius: 8px;
    color: #fff;
    padding: 10px 21px;
    transition: all 0.3s ease-in-out;
}

.contact-us {
    background: transparent;
    color: #525fe6;
    border: 1px solid #525fe6;
}

.contact-us:hover {
    background: #525fe6;
    color: #fff;
}


.write-to-us:hover,
.contact-us:hover {
    filter: brightness(1.1);
}

footer {
    color: #828282;
    text-align: center;
    width: 100%;
    padding: 30px 0;
    box-sizing: border-box;
}

.promo-section {
    background: #fff;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    margin-bottom: 100px;
}

.promo-section-option {
    display: flex;
    align-items: center;
    margin-bottom: 10px;
}

.promo-section-option div {
    font-size: 18px;
    margin-left: 10px;
}

.promo-section-option svg {
    width: 30px;
}

.promo-section-pic {
    max-width: 445px;
}

.promo-section-pic img {
    width: 100%;
    display: block;
}

.promo-section-text {
    margin-bottom: 30px;
    max-width: 540px;
}

.promo-section-text h5 {
    font-size: 45px;
    font-weight: bold;
    color: #000;
    margin-bottom: 20px;
}

.promo-section-text p {
    font-size: 18px;
    line-height: 28px;
    font-weight: 400;
    color: #585858;
    margin-bottom: 20px;
}

.promo-section-text-blue {
    color: #525fe6!important;
    font-weight: 600!important;
    font-size: 33px!important;
    line-height: 45px!important;
}

.promo-section-text-highlight {
    color: #006166!important;
    font-weight: 400!important;
}

.write-to-us {
    text-decoration: none;
    padding: 13px 37px;
    font-size: 20px;
    font-weight: 600;
    text-transform: uppercase;
    display: inline-block;
}

.promo-section-text-bottom {
    margin-bottom: 20px;
}

.services-list-title {
    margin-bottom: 15px;
    color: #006166;
    text-align: center;
    font-weight: 500;
}

.services-list li {
    margin-bottom: 10px;
}

.services-list li b {
    color: #006166;
    margin-bottom: 5px;
    display: inline-block;
}

.promo-section-2 {
    align-items: center;
    background: #f7f9fe;
    padding-right: 15px;
}

.promo-section-2 .promo-section-text,
.promo-section-2 .promo-section-pic {
    max-width: none;
    width: 50%;
}

.promo-section-2 .promo-section-pic {
    margin-right: 100px;
}

.promo-section-services {
    text-align: center;
    display: block;
}

.promo-section-services .promo-section-text {
    max-width: none;
    width: 100%;
}

.promo-section-services-wrapper {
    display: flex;
    justify-content: space-between;
    margin-top: 40px;
}

.promo-section-services-item {
    width: 27%;
    background: rgba(9, 66, 125, 0.03);
    padding: 20px;
    border-radius: 8px;
    text-align: left;
}

.promo-section-services-item p {
    font-size: 18px;
    line-height: 24px;
    color: #585858;
}

@media (max-width: 1950px) {
    header {
        padding: 30px 15px;
    }
}

@media (min-width: 1560px) {
    main {
        min-height: 1383px;
    }
}

@media (max-width: 1440px) {
    .promo-section-text {
        margin-bottom: 15px;
    }

}

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

    header nav {
        margin: 15px 0 20px;
    }

    .promo-section-text p {
        font-weight: normal;
    }

    .promo-section {
        background: rgba(255,255,255, 0.4);
    }
    main {
        background-position: 81%;
    }
}

@media (max-width: 550px) {
    main {
        padding: 15px;
    }
    main::before {
        content: none;
    }
}

@media (max-width: 380px) {

    header img {
        width: 100%;
    }
}