h1,
h2,
h3,
h4,
h5,
h6,
p,
ul {
    margin: 0;
    padding: 0;
}
body{
    font-family: "Roboto", sans-serif;
   color:#434455;
   background-color:#fff;
}
ul , ol{
    list-style-type: none;
}
a {
    text-decoration: none;
}
img {
    display: block;
    max-width: 100%;
    height: auto;
}
.container{
    width: 1158px;
        margin: 0 auto;
        padding: 0 15px;
}
.section {
    padding-top: 120px;
    padding-bottom: 120px;
}
.page-header>.container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.page-header {
    border-bottom: 1px solid #e7e9fc;
    box-shadow: 0 1px 6px 0 rgba(46, 47, 66, 0.08), 0 1px 1px 0 rgba(46, 47, 66, 0.16), 0 2px 1px 0 rgba(46, 47, 66, 0.08);
}
.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;
    margin-right: 76px;
}

.header-logo .logo-part{
color: #2e2f42;
}

.footer-logo .logo-part{
   color: #f4f4fd; 
}
.list-nav {
    display: flex;
    gap: 40px;
}
.nav-header {
    display: flex;
    align-items: center;
}
.nav-link{
    font-weight: 500;
        font-size: 16px;
        line-height: 1.5;
        letter-spacing: 0.02em;
        color: #2e2f42;
        padding: 24px 0;
            display: block;
            transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link.current{
    position: relative;

}
.nav-link.current::after{
    content:"" ;
    position: absolute;
    left: 0;
    bottom: -1px;
     width: 100%;
     height: 4px;
     border-radius: 2px;
     background-color: #404bbf;
}

.contacts{
    font-style:normal;
}
.contacts-list {
    display: flex;
    gap: 40px;
}
.contacts-link{
    font-weight: 400;
    display:block;
    padding: 24px 0;
        font-size: 16px;
        line-height: 1.5;
        letter-spacing: 0.02em;
        color: #434455;
        transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-link:hover,
.nav-link:focus,
.contacts-link:hover,
.contacts-link:focus,
.nav-link.current{
    color:#404bbf;
}
.button{
        font-weight: 500;
        line-height: 1.5;
        letter-spacing: 0.04em;
        background-color: #4d5ae5;
        color:#fff;
        cursor: pointer;
        padding: 16px 32px;
            border: none;
            border-radius: 4px;
            display: block;
                min-width: 169px;
                margin-left: auto;
                margin-right: auto;
                transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.first-section{
    
    background-color: #2e2f42;
    padding: 188px 0;
    margin: 0 auto;
        background-image: linear-gradient(
        rgba(46, 47, 66, 0.7),
        rgba(46, 47, 66, 0.7)
        ),
        url(../images/office.jpg);
        max-width: 1440px;
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
}
.first-section-title{
        font-weight: 700;
    font-size: 56px;
        line-height: 1.07;
        letter-spacing: 0.02em;
        text-align: center;
        color: #fff;
        margin-bottom: 48px;
        max-width: 496px;
            margin-left: auto;
            margin-right: auto;
}
.button:hover,
.button:focus{
    background-color: #404bbf;
}
.second-section-title{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
}
.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;
}
.second-section ul {
    display: flex;
    gap: 24px;
}
.plans{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color:#2e2f42;
    margin-bottom: 8px;
}
.goal-description{
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color:#434455;
}
.benefits-list {
    display: flex;
    gap: 24px;
}
.benefits-item {
    flex-basis: calc((100% - 72px) / 4);
}
.icons-container{
  display: flex;
  justify-content: center;
  align-items: center;
  height: 112px;
  width: 100%; /* lub konkretna szerokość */
  background-color: #f4f4fd;
  border: 1px solid #e7e9fc;
  border-radius: 4px;
  margin-bottom: 8px;
  border: 1px solid #8e8f99; 
}

.icon{
    fill: #4d5ae5;
}
.third-section{
    background: #f4f4fd;
}
.third-section-title{
    font-size: 36px;
    line-height: 1.11;
    text-align: center;
    letter-spacing: 0.02em;
    text-transform: capitalize;
    color: #2e2f42;
    margin-bottom: 72px;
}
.list-third-section{
    background-color: #F4F4FD;
    display: flex;
        gap: 24px;
}
.person{
    background-color: #ffffff;
        text-align: center;
        border-radius: 0 0 4px 4px;
        box-shadow: 0px 2px 1px rgba(46, 47, 66, 0.08),
            0px 1px 1px rgba(46, 47, 66, 0.16),
            0px 1px 6px rgba(46, 47, 66, 0.08);
}
.team-info {
    padding: 32px 0;
    border-radius: 50%;
    background-color: #4d5ae5;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.team-name{
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    text-align: center;
    letter-spacing: 0.02em;
    text-transform: capitalize;
    color:#2e2f42;
        margin-bottom: 8px;
}
.team-role{
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    text-align: center;
    color: #434455;
}
.social-list{
    display: flex;
    justify-content: center;
    gap: 24px;
}
.social-item{
    width: 40px;
    height: 40px;
}
.social-item a{
    width: 100%;
    height: 100%;
    background-color: #4d5ae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
     transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.social-item a:hover,
.social-item a:focus{
    background-color: #404bbf;
}
.social-icon{
  fill: #F4F4FD;
}
.fourth-section-title{
    font-size: 36px;
    line-height: 1.11;
    text-align: center;
    letter-spacing: 0.02em;
    text-transform: capitalize;
    color: #2e2f42;
    margin-bottom: 72px;
}
.fourth-section li {
    width: calc((100% - 48px) / 3);
    background-color: #fff;
}
.portfolio-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    row-gap: 48px;
}
.portfolio-list.li:last-child{
    margin-right: 0;
}

.portfolio-item {
    width: calc((100% - 48px) / 3);
    transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.portfolio-item:hover{
    box-shadow: 0px 1px 6px rgba(46, 47, 66, 0.08), 0px 1px 1px rgba(46, 47, 66, 0.16), 0px 2px 1px rgba(46, 47, 66, 0.08);
}
.portfolio-description {
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;
}
.overlay-img{
    position: relative;
    overflow: hidden;
}
.portfolio-text{
    position: absolute;
    top: 0;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #F4F4FD;
    padding: 40px 32px;
    background-color: #4d5ae5;
    height: 100%;
    width: 100%;
    transform: translateY(100%);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.portfolio-item:hover .portfolio-text {
    transform: translateY(0%);
}
.example{
    font-weight: 500;
        font-size: 20px;
        line-height: 1.2;
        letter-spacing: 0.02em;
        color: #2e2f42;
        margin: 0 0 8px;
}
.service-name{
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;
}
.page-footer{
    background: #2e2f42;
    padding: 100px 0;
}
.container-footer{
    display: flex;
    align-items: baseline;
}
.logo-footer{
    font-family: "Raleway", sans-serif;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #4d5ae5;
}
.footer-logo {
    display: inline-block;
    margin-bottom: 16px;
}
.finish{
    line-height: 1.5;
    color: #F4F4FD;
    letter-spacing: 0.02em;
    margin-top: 16px;
        max-width: 264px;
}
.footer-social{
    font-weight: 500;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
color: #fff;
}
.footer-logo-section {
  max-width: 120px;
}
.footer-social{
font-weight: 500;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
color: #fff;
margin-bottom: 16px;
}
.social-list-footer{
    display: flex;
    gap: 16px;
}
.social-item-footer{
    width: 40px;
    height: 40px;
}
.social-item-footer a{
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.reference-footer{
    width: 100%;
    height: 100%;
    background-color: #4d5ae5;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}
.reference-footer:hover,
.reference-footer:focus{
    background-color: #31d0aa;
}
.social-icon-footer{
    fill:#F4F4FD;
}
.footer-logo-section{
    margin-right: 120px;
}