:root {
    --accent-color: #2196F3;
    --main-color: #212121; 
    --second-color: #757575;
    --next-color: #FFFFFF;
    --primary-black-color: #000000;
    --bg-color:#2F303A;
    --second-bg-color: #F5F4FA;
    --address-link-color: rgba(255, 255, 255, 0.6);
    --border-color: #EEEEEE;
}
 
body {
    font-family: 'Roboto',  Tahoma, sans-serif;
    color: var( --main-color);
    background-color: var(--next-color);
    letter-spacing: 0.03em;
    font-size: 14px;
}
p, h1, h2, h3, h4, h5, h6 {
    margin: 0;
}
ul {
    padding-left: 0;
    margin: 0;
}
img{
    display: block;
    max-width: 100%;
    height: auto;
}
.link {
    text-decoration: none;
}
.list {
    list-style: none;
}
.visually-hidden {
    position: absolute;
    white-space: nowrap;
    width: 1px;
    height: 1px;
    overflow: hidden;
    border: 0;
    padding: 0;
    clip: rect(0 0 0 0);
    clip-path: inset(50%);
    margin: -1px;
  }
 
.conteiner{
    width: 1200px;
    padding-left: 15px;
    padding-right: 15px;
    margin: 0 auto;

}
.section{
    padding-top: 94px;
    padding-bottom: 94px;
}
.header{
    border-bottom: 1px solid #ECECEC;
}

.header-logo {
    margin-right: 92px;

    font-family: 'Raleway';
    font-weight: 700;
    font-size: 26px;
    line-height: 1.19;
    color: var(--primary-black-color);

}
.logo {
    color: var(--accent-color);
}
.main-nav{
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.navigation{
    display: flex;
    align-items: center;
}
.navigation-list{
    display: flex;
}
.navigation-list-item:not(:last-child){
    margin-right: 50px;
}
.navigation-list-link {
    display: block;
    padding-top: 32px;
    padding-bottom: 32px;

    font-weight: 500;
    line-height: 1.14;
    letter-spacing: 0.02em;
    color: var( --main-color);
}
.current {
    color: var(--accent-color);
}
.header-list{
    display: flex;
}
.header-list-item:not(:last-child){
    margin-right: 50px;
}

.header-list-link{
    display: flex;
    align-items: center;
    padding-top: 32px;
    padding-bottom: 32px;

    font-weight: 500;
    line-height: 1.14;
    letter-spacing: 0.02em;
    color: var( --second-color);
    fill: var(--second-color);

}
.navigation-list-link:hover,
.navigation-list-link:focus{
    color: var(--accent-color);
}
.header-list-svg{
    margin-right: 10px;
    
}

.header-list-link:hover,
.header-list-link:focus{
    color: var(--accent-color);
    fill: var(--accent-color);
    
}


.hero{
    padding-top: 200px;
    padding-bottom: 200px;
    text-align: center;

    height: 600px;
    max-width: 1600px;
    margin-left: auto;
    margin-right: auto;
    background-color: var(--bg-color);
    background-image: linear-gradient(rgba(47, 48, 58, 0.4), rgba(47, 48, 58, 0.4)), url(../images/hero.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    
 }
.hero-title{
    width: 696px;
    margin: 0 auto;
    margin-bottom: 30px;
    font-weight: 900;
    font-size: 44px;
    line-height: 1.36;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--next-color);
}
.hero-btn{
    text-align: center;
    border: none;
    border-radius: 4px;
    
    background-color: var(--accent-color);
    font-family: 'Roboto';
    font-weight: 700;
    font-size: 16px;
    line-height: 1.88;
    letter-spacing: 0.06em;
    color: var(--next-color);
    cursor: pointer;
    
    min-width: 200px;
    height: 50px;

}
.about-us-list{
    display: flex;
}
.about-us-item{
    width: 270px;
}
.about-us-item:not(:last-child){
    margin-right: 30px;
}
.about-us-icon{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 120px;
    background-color: #F5F4FA;
    border-radius: 4px;
    margin-bottom: 30px;
}
.about-us-title{
    margin-bottom: 10px;

    font-size: 14px;
    line-height: 1.14;
    text-transform: uppercase;
}
.about-us-text{
    line-height: 1.71;
    color: var(--second-color);
}
.our-work{
    padding-bottom: 94px;
}
.our-work-list{
    display: flex;
}
.our-work-item:not(:last-child){
margin-right: 30px;
}
.our-work-title,
.our-team-title,
.client-title{
    margin-bottom: 50px;
    font-size: 36px;
    line-height: 1.17;
    text-align: center;
}
.our-team{
    background-color:#F5F4FA;
}
.our-team-list{
    display: flex;
}
.our-team-item{
    width: 270px;
    border-radius: 4px;
    overflow: hidden;
    background-color: #fff;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
}
.our-team-item:not(:last-child){
    margin-right: 30px;
}
.our-team-info{
    padding-top: 30px;
    padding-bottom: 30px;
    padding-right: 32px;
    padding-left: 32px;
    text-align: center;
}
.our-team-name{
    margin-bottom: 10px;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.19;
}

.our-team-text{
    font-size: 16px;
    line-height: 1.19;
    color: var(--second-color);
}
.our-team-social-icon-list{
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
}
.our-team-social-icon-link{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    fill: #AFB1B8; 
}
.our-team-social-icon-link:hover,
.our-team-social-icon-link:focus{
    background-color: var(--accent-color);
    fill: var(--next-color);
}
.client-list{
    display: flex;
}
.client-link{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 170px;
    height: 92px;
    border-radius: 4px;
    fill: #AFB1B8; 
    border: 1px solid #AFB1B8;
}
.client-link:hover,
.client-link:focus{
    border: 1px solid var(--accent-color);
    fill: var(--accent-color);
}
.client-item:not(:last-child){
    margin-right: 30px;
}
.footer{
    background-color: var(--bg-color);
    padding-top: 60px;
    padding-bottom: 60px;
    }
.footer-conteiner{
    display: flex;
    align-items: baseline;
    }
.footer-logo {
    font-family: 'Raleway';
    font-weight: 700;
    font-size: 26px;
    line-height: 1.19;
    color: var(--next-color);

}
.logo {
    color: var(--accent-color);
}

.footer-address{
    margin-top: 20px;
}
.footer-address-item:not(:last-child){
    margin-bottom: 9px;
}
.footer-address-text{
    font-style: normal;
    line-height: 1.71;
    color: var(--next-color);

}
.footer-address-link{
    font-style: normal;
    line-height: 1.71;
    color: var(--address-link-color);
}

.footer-text{
    font-weight: 700;
    line-height: 1.14;
    text-transform: uppercase;
    color: #FFFFFF;
    margin-bottom: 20px;

}
.footer-social-icon{
    margin-left: 70px;
}
.footer-social-icon-list{
    display: flex;
}
.footer-social-icon-item:not(:last-child){
    margin-right: 10px;
}
.footer-social-icon-link{
    display: flex;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    fill: var(--next-color);
    background-color: rgba(255, 255, 255, 0.1);
}
.footer-social-icon-link:hover,
.footer-social-icon-link:focus{
    background-color: var(--accent-color);
}

.portfolio-navigation-list{
    display: flex;
    justify-content: center;
    margin-bottom: 50px;
}
.portfolio-navigation-item:not(:last-child){
    margin-right: 8px;
}
.portfolio-btn{
    cursor: pointer;
    border: none;
    border-radius: 4px;
    padding: 6px 22px;
    font-family: 'Roboto';
    font-weight: 500;
    font-size: 16px;
    line-height: 1.62;
    color: var(--main-color);
    background-color: var(--second-bg-color);

}
.portfolio-btn:hover,
.portfolio-btn:focus{
    color: var(--next-color);
    background-color: var(--accent-color);
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
}

.portfolio-list{
    display: flex;
    flex-wrap: wrap;

    margin-left: -30px;
    margin-top: -30px;
}
.portfolio-list-item{
    flex-basis: calc(100%/3-30px);
    margin-left: 30px;
    margin-top: 30px;

}
.portfolio-list-link{
    display: block;
}
.portfolio-list-link:hover,
.portfolio-list-link:focus{
    overflow: hidden;
    border-radius: 4px;
    box-shadow: 0px 4px 4px 0px rgba(0, 0, 0, 0.25);
}
.portfolio-list-info{
    padding: 20px 24px;
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    border-left: 1px solid var(--border-color);
    
}
.portfolio-list-title{
    margin-bottom: 4px;

    font-weight: 700;
    font-size: 18px;
    line-height: 2;
    letter-spacing: 0.06em;
    color: var(--main-color)

}
.portfolio-list-text{
    font-size: 16px;
    line-height: 1.88;
    color: var(--second-color);
}