/* font-family: "Raleway", sans-serif;
font-family: "Roboto", sans-serif; */

/* reset */

body{
    font-family: "Roboto", sans-serif;
    color: #434455;
    background-color: #fff;
}
ul, ol{
    list-style-type: none;
    margin: 0;
    padding: 0;
}
h1, h2, h3, h4, h5, h6, p{
margin: 0;
}
a{
    text-decoration: none;
}
img{
    display: block;
    max-width: 100%;
    height: auto;
    object-fit: cover;
}
button{
    cursor: pointer;
    font-family: inherit;
}

/* common */

.container{
    max-width: 1158px;
    padding: 0 15px;
    margin: 0 auto;
}

/* header */

.page-header{
    border-bottom: 1px solid #e7e9fc;
}
.header-container{
    display: flex;
    align-items: center;
}
.header-nav{
    display: flex;
    align-items: center;
}
.nav-list{
    display: flex;
    align-items: center;
    gap: 40px;
}
.logo{
font-family: "Raleway", sans-serif;
font-weight: 700;
font-size: 18px;
line-height: 1.17;
letter-spacing: 0.03em;
text-transform: uppercase;
color: #4d5ae5;
}
.header-logo{
    padding: 24px 0;
    margin-right: 76px;
}
.header-logo .logo-part{
    color: #2e2f42;
}
.nav-link{
padding: 24px 0;
display: block;
font-weight: 500;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
color: #2e2f42;
}
.contacts{
font-style: normal;
margin-left: auto;
}
.contacts-list{
    display: flex;
    align-items: center;
    gap: 40px;
}
.contacts-link{
display: block;
padding: 24px 0;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
color: #434455;
}
.nav-link:hover,
.nav-link:focus,
.contacts-link:hover,
.contacts-link:focus{
color: #404bbf;
}

/* section 1 */

.solutions{
    background-color: #2e2f42;
    padding: 188px 0;
    text-align: center;
}
.main-title{
font-weight: 700;
font-size: 56px;
line-height: 1.07;
letter-spacing: 0.02em;
text-align: center;
max-width: 496px;
color: #fff;
margin: 0 auto 48px auto;


}
.main-title-button{
padding-top: 48px;
color: #fff;
font-weight: 500;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.04em;
cursor: pointer;
background-color: #4d5ae5;
text-align: center;
display: block;
margin: 0 auto;
border: none;
border-radius: 4px;
padding: 16px 32px;
height: 56px;
min-width: 169px;


}
.main-title-button:hover,
.main-title-button:focus{
background: #404bbf;
}

/* section 2 */

.principles{
    background-color: #FFFFFF;
    padding-top: 120px;
    padding-bottom: 120px;
    
}
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    margin: -1px;
    border: 0;
    padding: 0;
    
    white-space: nowrap;
    clip-path: inset(100%);
    clip: rect(0 0 0 0);
    overflow: hidden;
  }
.benefits-title{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
    margin-bottom: 8px;
    text-align: center;
}
.principles-list{
    display: flex;
    gap: 24px;
}
.principles-item{
    width: calc((100% - 72px) / 4);
}
.benefits-text{
font-size: 16px;
line-height: 1.5;
color: #434455;
text-align: center;
letter-spacing: 0.02em;
}

/* section 3 */

.container-third{
background-color: #f4f4fd;
padding-top: 120px;
padding-bottom: 120px;
}
.second-title{
font-weight: 700;
font-size: 36px;
line-height: 1.11;
letter-spacing: 0.02em;
text-align: center;
text-transform: capitalize;
color: #2e2f42;
margin-bottom: 72px;
}
.info-list{
    display: flex;
    gap: 24px;
}
.photo{
background-color: #FFFFFF;
width: calc((100% - 72px) / 4);
border-radius: 0px 0px 4px 4px;
}
.signature{
    padding-top: 32px;
    padding-bottom: 32px;
}

/* section 4 */
.portfolio{
    background-color: #FFFFFF;
    padding-top: 120px;
    padding-bottom: 120px;
}
.portfolio-list{
    display: flex;
    flex-wrap: wrap;
    column-gap: 24px;
    row-gap: 48px;
}
.portfolio-item{
    width: calc((100% - 48px) / 3);
}
.servise-card{
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;
}
.portfolio-title{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
    margin-bottom: 8px;
    text-align: left;
}
.portfolio-text{
font-size: 16px;
line-height: 1.5;
color: #434455;
text-align: left;
letter-spacing: 0.02em;
}
/* footer */

.page-footer{
background-color:  #2e2f42;
padding-top: 100px;
padding-bottom: 100px;
}
.footer-container{
align-items: baseline;
}
.footer-logo .logo-part{
color: #f4f4fd;
font-weight: 700;
font-size: 18px;
line-height: 1.17;
letter-spacing: 0.03em;
text-transform: uppercase;
color: #f4f4fd;
display: inline-block;
}
.footer-logo{
display: inline-block;
margin-bottom: 16px; 
}
.logo-part:hover,
.logo-part:active{
    color: #404bbf;
}
.footer-text{
color: #f4f4fd;
font-weight: 400;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
max-width: 264px;
}