html {
	overflow-x: hidden;
}

* {
	padding: 0;
	margin: 0;
	font-family: Arial;
	font-weight: 400;
	box-sizing: border-box;
}

a {
	text-decoration: none;
	color: inherit;
	display: inherit;
}

.header {
	position: fixed;
	width: 100%;
	height: 100px;
	background: #1d2d3c;
	display: flex;
	justify-content: space-between;
	color: #fff;
	z-index: 1;
}

.about-us__img-hide {display: none;}

.header__nav-item {
	font-size: 14px;
	padding: 10px 36px 0 36px;
	transition: all .35s;
}

.header__nav {
	text-transform: uppercase;
	display: flex;
	margin: 48px 20px 0 0;
}

.header__nav-item:hover {
	color: #edcd1f;
	transition: all .35s;
}

.header__logo-block {
	background: #c0d2e6;
	color: #3D5975;
	display: flex;
	justify-content: center;
	align-items: center;
	padding: 0 126px 0 62px;
}

.header__logo {
	display: inline-flex;
	justify-content: center;
	align-items: center;
}

.header__logo-text {
	width: 202px;
	font-size: 22px;
	margin-left: 10px;
}

.title {
	font-size: 55px;
	color: #c6c6c6;
}

.first__cover__title {
	text-align: center;
	width: 780px;
	margin-bottom: 50px;
}

.arrow-down {
	transition: all .35s;
}

.arrow-down:hover {
	padding-top: 5px;
	margin-bottom: -5px;
	transition: all .35s;
	opacity: .7;
}

section {
	width: 100%;
	display: flex;
	justify-content: center;
}

#first,
#last {
	height: 970px;
	background: url(img/bg.webp) fixed no-repeat;
	background-size: cover;
}

#last {
	height: 870px;
}

.cover {
	width: 980px;
}

.first__cover {
	background-color: rgba(0, 0, 0, 0.35);
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
}

.title-underlined {
	text-transform: uppercase;
	position: relative;
	display: flex;
	justify-content: center;
	flex-direction: column;
	align-items: center;
}

.title-underlined::after {
	content: '';
	width: 116px;
	height: 10px;
	background: #99b2ca;
	margin-top: 10px;
	display: flex;
}

.second__cover {
	display: flex;
	justify-content: center;
	align-items: center;
	flex-direction: column;
}

.services {
	display: flex;
	align-items: flex-end;
}

.services-item {
	width: 318px;
}

.services-item:not(:last-child) {
	margin-right: 15px;
}

.services-item-title {
	font-size: 22px;
	color: #3D5975;
	margin-bottom: 30px;
}

.services-item-content {
	background: #f7f5f6;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 20px 40px;
	margin-top: 11px;
	min-height: 425px;
}

.services-item-inf {
	font-size: 15px;
	color: #3B3A3A;
	padding: 0 10px;
}

.title__second__cover {
	margin: 10px 0 20px 0;
}

#third {
	background-color: #f7f5f6;
	background-image: url(img/bg2.webp);
	background-position: right 0;
	background-repeat: no-repeat;
}

.about-us {
	display: flex;
	justify-content: flex-end;
	padding-right: 50px;
	margin-top: 40px;
	padding-bottom: 250px;
}

.about-us__img {
	width: 410px;
	height: 572px;
}

.about-us__img img {
	width: 100%;
}

.about-us__text {
	width: 383px;
	color: #3B3A3A;
	font-size: 17px;
	text-align: justify;
	margin-right: 50px;
}

.about-us__text {
	text-indent: 20px;
}

.third__cover {
	background: #f7f5f6;
}

.title__third__cover {
	align-items: flex-start;
	padding-left: 30px;
	padding-top: 30px;
}

#fourth {
	padding: 30px 0;
}

.title-underlined-fourth {
	padding-top: 20px;
}

.gallery-projects {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}

.gallery-projects a img {
	width: 100%;
	margin-top: 30px;
}

.gallery-projects a:not(:nth-child(2n+2)) {
	margin-right: 30px;
}

.gallery-projects a {
	display: none;
	width: calc(50% - 15px);
	position: relative;
}

.gallery-projects a::after {
	content: '';
	position: absolute;
	width: 100%;
	height: calc(100% - 34px);
	bottom: 4px;
	left: 0;
	background: rgba(255, 255, 255, 0.5);
	opacity: 0;
	transition: all .35s;
}

.gallery-projects a:hover::after {
	opacity: 1;
	transition: all .35s;
}

.gallery-projects a:first-child,
.gallery-projects a:nth-child(2) {
	display: block;
}

#show-more span {
	display: inline-block;
	padding: 5px 25px;
	border: #3B3A3A solid 1px;
	transition: all .35s;
	cursor: pointer;
}

#show-more span:hover {
	background: #3B3A3A;
	color: #fff;
	transition: all .35s;
}

#show-more {
	margin-top: 20px;
	display: flex;
	justify-content: center;
}

#fifth {
	padding: 100px 0 50px 0;
}

.map {
	margin: 30px 0 0 0;
}

.contacts-column-title {
	font-size: 25px;
	color: #1E2D3B;
}

.contacts {
	display: flex;
	font-size: 15px;
	color: #3B3A3A;
	padding: 20px;
}

.contacts-column {
	width: 50%;
}

.contacts-column-row__form form {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
}

.contacts-big-phone {
	font-size: 30px;
}

.contacts-big-phone span {
	font-weight: 600;
}

.contacts-column-row__form input {
	background: #f7f5f5;
	border: 0;
	padding: 10px;
	margin-bottom: 5px;
	transition: all .35s;
	width: 100%;
}

.contacts-column-row__form textarea {
	background: #f7f5f5;
	border: 0;
	padding: 10px;
	transition: all .35s;
	width: 100%;
	resize: none;
}

.contacts-column-row__form input:hover,
.contacts-column-row__form textarea:hover {
	outline: none;
	background: #efefef;
	transition: all .35s;
}

.contacts-column-row__form input:focus,
.contacts-column-row__form textarea:focus {
	outline: none;
	background: #e6e6e6;
	transition: all .35s;
}

.contacts-column-row__form button {
	outline: none;
	border: none;
	background: #99b2ca;
	color: #fff;
	border: 1px solid #99b2ca;
	padding: 5px 25px;
	font-size: 16px;
	display: inline-block;
	transition: all .35s;
	margin-top: 5px;
	cursor: pointer;
}

.contacts-column-row__form button:hover,
.contacts-column-row__form button:focus {
	outline: none;
	background: rgba(255, 255, 255, 0);
	color: #99b2ca;
	border: 1px solid #99b2ca;
	transition: all .35s;
}

.contacts-column-row {
	margin-bottom: 30px;
}

.contacts-ul {
	margin-left: 30px;
	margin-top: 20px;
}

.contacts-ul li:not(:last-child) {
	margin-bottom: 3px;
}

.soc span:not(:last-child) {
	margin-right: 5px;
}

.soc span {
	opacity: 1;
	transition: all .35s;
}

.soc span:hover {
	opacity: .5;
	transition: all .35s;
}