html{
	box-sizing: border-box;
}
*,
*::after,
*::before{
	box-sizing: inherit;
	margin: 0;
}
body{
	font-size: 16px;
	line-height: 1.5;
	font-family: "Roboto", sans-serif;
	font-weight: 400;
	overflow-x: hidden;
	/* font-family: "Montserrat", sans-serif; */
}
a{
	color: inherit;
	text-decoration: none;
}
li{
	list-style-type: none;
}
button{
	background-color: transparent;
	padding: 0;
	border: none;
	font-family: inherit;
	color: inherit;
	display: inline-block;
}
input{
	font-family: inherit;
	color: inherit;
}
input::placeholder{
	font-family: inherit;
	color: inherit;
}
.container{ 
	max-width: 1740px;
	padding: 0 10px;
	margin: 0 auto;
}
.section-box{
	padding: 150px 0;
}
.section__title{
	text-transform: uppercase;
	font-weight: 300;
	font-size: 42px;
	line-height: 1.16;
	margin: 55px 0 55px;
}

/* Header */
.header{
	background-image: url(../images/header-bg.jpg);

	background-image: image-set(
		'../images/header-bg.avif'type('image/avif'),
		'../images/header-bg.webp'type('image/webp'),
		'../images/header-bg.jpg'type('image/jpeg'),
	);
	background-repeat: no-repeat;
	background-position: center;
	background-size: cover;
	height: 100vh;
	color: #f5f5f5;
}
.header__top{
	padding: 63px 0;
	display: grid;
	grid-template-columns: 1fr auto 1fr;
	align-items: center;
	font-weight: 300;
}
.header__phone{
 	justify-self: end;
	display: flex;
	align-items: center;
	gap: 9px;
}
.header__title{
	max-width: 835px;
	margin: 100px 0 30px 0;
	font-size: 85px;
	text-transform: uppercase;
	line-height: 1.17;
	font-weight: 400;
}
.header__text{
	margin: 0 0 30px 0;
	font-size: 24px;
	line-height: 1.16;
	max-width: 758px;
}
.header__btn{
	display: inline-block;
	text-transform: uppercase;
	font-size: 18px;
	line-height: 1.16;
	color: #2b2b2b;
	padding: 20px 49px;
	background-color: #f5f5f5;
}
.menu{
	justify-self: start;

}
.menu__btn{
	display: none;
	justify-content: center;
	align-items: center;
	width: 40px;
	height: 24px;
	position: relative;
	z-index: 10;
}
.menu__btn::after, 
.menu__btn::before{
	content: '';
	position: absolute;
	left:0;
	right: 0;
	height: 2px;
	background-color: #f5f5f5;
}
.menu__btn::after{
	top: 0;
}
.menu__btn::before{
	bottom: 0;
}
.menu__btn span{
	height: 2px;
	background-color: #f5f5f5;
	width: 100%;
}
.menu__list{
	display: flex;
	gap: 40px;
	text-transform: uppercase;
}
.logo{
	justify-self: center;
	align-items: center;
}

/* Services */
.services{
	background-color: #171717;
	color: #f5f5f5;
}
.services__list{
	border-top: 1px solid #f5f5f5;
}
.services__item{
	display: flex;
	justify-content: space-between;
	align-items: center;
	padding: 24px 45px 24px 20px;
	gap: 20px;
	border-bottom: 1px solid #f5f5f5;
}
.services__item-title{
	font-size: 28px;
	text-transform: uppercase;
	font-weight: 300;
}
.services__item-text{
	max-width: 800px;
	width: 100%;
}

/* Projects */
.projects__slider{
	padding-bottom: 50px;
	overflow: visible;
}
.projects__item{
	padding: 20px;
	border: 1px solid #d9d9d9;
	max-width: 560px;
}
.projects__item img{
	width: 100%;
	margin-bottom: 40px;
}
.projects__item-title{
	font-weight: 300;
	font-size: 28px;
	line-height: 1.16;
	text-transform: uppercase;
	margin-bottom: 10px;
}
.projects__item-desct{
	text-transform: uppercase;
	font-weight: 300;
	font-size: 18px;
	line-height: 1.16;
	margin-bottom: 30px;
}
.projects__item-text{
	margin-bottom: 30px;
}
.projects__item-link{
	display: inline-block;
	text-transform: uppercase;
	border: 1px solid #171717;
	padding: 20px 100px;
	font-size: 18px;
	font-weight: 300;
	line-height: 1.1;
}
.projects__arrow{
	cursor: pointer;
	position: absolute;
	bottom: 0;
	bottom: -5px;
	left: 50%;
}
.projects__arrow-prev{
	transform: translateX(-75px);
}
.projects__arrow-next{
	transform: translateX(15px);
}

/* Steps */
.steps{
	padding: 60px 0 100px;
	background-color: #171717;
	color: #f5f5f5;
	display: flex;
}
.steps__img img{
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}
.steps__title{
	max-width: 562px;
}
.steps__list{
	max-width: 562px;
	counter-reset: my-counter;
}
.steps__item{
	counter-increment: my-counter;
	padding-left: 57px;
	padding-bottom: 40px;
	position: relative;
}
.steps__item:last-of-type{
	padding-bottom: 0;
}
.steps__item:last-of-type::after{
	display: none;
}
.steps__item::before{
	content: counter(my-counter);
	position: absolute;
	left: 0;
	width: 40px;
	height: 40px;
	border: 1px solid #f5f5f5;
	font-family: "Montserrat", sans-serif;
	font-size: 15px;
	font-weight: 700;
	display: flex;
	justify-content: center;
	align-items: center;
}
.steps__item::after{
	content: '';
	position: absolute;
	width: 1px;
	background-color: #f5f5f5;
	left: 20px;
	top: 48px;
	bottom: 8px;
}
.steps__item-title{
	font-size: 24px;
	line-height: 1.16;
	font-weight: 300;
	margin-bottom: 12px;
	padding-top: 6px;
}

/* Catalog */
.catalog__title{
	max-width: 560px;
}
.catalog__content{
	display: flex;
	gap: 50px;
	align-items: center;
	margin-bottom: 150px ;
}
.gallery{
	display: grid;
	grid-template-columns: repeat(4, 1fr);
	gap: 20px;
}
.gallery img{
	width: 100%; 
}
.catalog__form {
	max-width: 560px;
	width: 100%;
}
.catalog__form-title{
	max-width: 430px;
	font-size: 28px;
	text-transform: uppercase;
	line-height: 1.16;
	font-weight: 300;
	margin-bottom: 20px;
}
.catalog__form-text{
	max-width: 430px;
	font-size: 18px;
	text-transform: uppercase;
	line-height: 1.16;
	font-weight: 300;
	margin-bottom: 50px;
}
.catalog__form-input{
	display: inline-block;
	padding: 20px;
	border: 1px solid #171717;
	font-size: 24px;
	font-weight: 100;
	line-height: 1.16;
	margin-bottom: 30px;
	width: 100%;
	display: block ;
}
.catalog__form-label{
	display: flex;
	align-items: center;
	gap: 10px;
	font-size: 14px;
	font-weight: 300;
	line-height: 1.16;
	margin-bottom: 50px;
}
.catalog__form-checkbox{
	width: 17px;
	height: 17px;
	accent-color: #171717;	
	margin: 0;
}
.catalog__form-btn{
	padding: 20px 54px;
	background-color: #171717;
	color: #f5f5f5;
	font-size: 18px;
	line-height: 1.16;
	font-weight: 300;
	text-transform: uppercase;
}

/* Request */
.request {
	padding-bottom: 150px;
}
.request__inner {
	background-image: url(../images/request-bg.jpg);
	background-repeat: no-repeat;
	background-size: cover;
	background-position: center center;
	padding: 184px 0;
}
.request__form {
	display: flex;
}
.request__inner-form {
	background-color: rgba(23, 23, 23, 0.85);
	max-width: 1000px;
	padding: 75px 115px;
	margin: 0 auto;
}
.request__title {
	color: #f5f5f5;
}
.request__form-input {
	display: inline-block;
	padding: 20px;
	border: none;
	background-color: #d9d9d9;
	font-size: 18px;
	font-weight: 100;
	line-height: 1.16;
	width: 100%;
	color: #2b2b2b;
}
.request__form-btn {
	background-color: #f5f5f5;
	text-transform: uppercase;
	font-size: 18px;
	font-weight: 300;
	line-height: 1.16;
	padding: 20px 50px;
	width: 360px;
}

/* Footer */
.footer {
	background-color: #171717;
	padding: 100px 0;
	color: #f5f5f5;
}
.footer__inner {
	display: flex;
	align-items: end;
	gap: 100px;
	padding-right: 174px;
	margin-bottom: 10px;
}
.footer__logo {
	margin-right: auto;
}
.footer__nav {
	display: flex;
	flex-direction: column;
	gap: 15px;
	text-transform: uppercase;
	font-weight: 300;
}
.footer__social {
	display: flex;
	flex-direction: column;
	gap: 15px;
	font-size: 14px;
}
.footer__contacts-map {
	align-self: start;
}
.footer__social-link {
	display: flex;
	gap: 10px;
	line-height: 1.16;
}
.footer__contacts {
	display: flex;
	flex-direction: column;
	gap: 20px;
	font-weight: 300;
	font-size: 14px;
	line-height: 1.16;
}
.footer__contacts-link {
	display: flex;
	gap: 10px;
}
.footer__contacts-time {
	padding-left: 25px;
}
.footer__copy {
	display: flex;gap: 6px;
	font-weight: 300;
	font-size: 14px;
	line-height: 1.16;
}


/* Адаптив */

@media (max-width: 1500px) {
	.footer__inner{
		gap: 50px;
		padding-right: 0;
	}
	.projects__slider {
		overflow: hidden;
	}
} 

@media (max-width: 1300px) {
	.menu__btn{
		display: flex;
	}
	.menu__list{
		position: absolute;
		inset: 0;
		background-color: #171717;
		flex-direction: column;
		justify-content: center;
		align-items: center;
		transform: translateY(-100%);
		transition: transform 0.3s ease-in-out;
	}
	.menu__list.active{
		transform: translateY(0);
	}
	.steps{
		display: block;
	}
	.steps__list {
		padding-bottom: 40px;
	}
	.catalog__content {
	 	display: block;
	}
	.catalog__content img {
		width: 100%;
		margin-bottom: 40px;
	}
	.projects__slider {
		overflow: hidden;
	}
}
@media (max-width: 1090px) {
	.footer__inner{
		flex-wrap: wrap;
		gap: 30px 135px;
		padding-right: 0;
	}
} 
@media (max-width: 1040px) {
	.gallery {
		grid-template-columns: repeat(3, 1fr);
	}
}
@media (max-width: 820px) {
	.footer__inner {
		gap: 30px 135px;
		padding-right: 0;
		flex-direction: column;
		gap: 30px 0;
		align-items: start;
	}
}
@media (max-width: 740px) {
	.header__top{
		padding: 40px 0;
	}
	.header__title{
		font-size: 64px;
	}
	.services__item{
		display: block;
		padding-right: 0;
	}
	.section-box{
		padding: 50px 0;
	}
	.section__title{
		margin: 20px 0;
		font-size: 28px;
	}
	.services__item{
		padding: 10px 0;
	}
	.services__item-title{
		font-size: 20px;
	}
	.projects__item{
		padding: 10px;
	}
	.projects__item img{
		margin-bottom: 20px;
	}
	.projects__item-desct{
		font-size: 16px;
		margin-bottom: 10px;
	}
	.projects__item-title{
		font-size: 24px;
	}
	.projects__item-text{
		font-size: 15px;
	}
	.projects__item-link{
		padding: 16px 100px;
		font-size: 16px;
	}
	.steps {
		padding: 50px 0;
	}
	.catalog__content {
		margin-bottom: 50px;
	}
	.catalog__form {
		max-width: 100%;
	}
	.gallery {
		grid-template-columns: repeat(2, 1fr);
	}
	.request {
		padding-bottom: 50px;
	}
	.request__inner {
		padding-bottom: 85px;
	}
	.request__form {
		display: flex;
		flex-direction: column;
		gap: 20px;
	}
	.request__form-btn {
		width: 100%;
	}
	.request__inner-form {
		padding: 50px 10px;
	}
	.footer {
		padding: 50px 0;
	}
}
@media (max-width: 540px) {
	.header__phone span{
		display: none;
	}
	.header__phone img{
		width: 24px;
	}
	.header__title{
		margin-top: 50px;
		font-size: 48px;
	}
	.header__text{
		font-size: 22px;
	}
	.header__btn{
		font-size: 16px;
		padding: 16px 49px;
	}
	.steps__item::before{
		width: 20px;
		height: 20px;
		font-size: 12px;
	}
	.steps__item::after{
		left: 10px;
		top: 28px;
		bottom: 8px;
	}
	.steps__item{
		padding-left: 37px;
		padding-bottom: 20px;
	}
	.steps__item-title{
		font-size: 22px;
		padding-top: 0;
		margin-bottom: 5px;
		margin-top: -1px;
	}
	.catalog__content-img {
		margin-bottom: 20px;
	}
	.catalog__form-title {
		font-size: 22px;
		margin-bottom: 10px;
	}
	.catalog__form-text {
		font-size: 16px;
		margin-bottom: 15px;
	}
	.catalog__form-input {
		padding: 10px;
		font-size: 16px;
		margin-bottom: 20px;
	}
	.gallery {
		grid-template-columns: 1fr;
	}
	.footer__social {
		flex-direction: row;
	}
	.footer__social-link span {
		display: none;
	}
}