body {
    font-family: "Roboto", sans-serif;
    color: #434455;
    background-color: #ffffff;
    line-height: 1.5;
    margin: 0;
}

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
p{
    color: #434455;
    font-size: 16px;
    font-weight: 400;
    letter-spacing: 0.02em;
}

.container {
    max-width: 1158px;
    margin: 0 auto;
    padding: 0 15px;
}
.section{
    padding: 120px 0;
}
.header {
    border-bottom: 1px solid #e7e9fc;
    
}
.header-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.main-nav{
    display: flex;
    align-items: center;
}
.logo{
    margin-right: 76px;
}

ul {
    list-style-type: none;
}
.nav-list{
    display: flex;
    gap: 40px;
}
.nav-link{
    text-decoration: none;
    color: #2e2f42;
    font-weight: 500;
    letter-spacing: 0.02em;
    padding: 24px 0;
    font-size: 16px;
    line-height: 1.5;
    display: inline-block;
}

.logo {
    text-decoration: none;
    color: #2e2f42;
    font-size: 18px;
    font-weight: 700;
    font-family: "Raleway", sans-serif;
    text-transform: uppercase;
    line-height: 1.17;
    letter-spacing: 0.03em;

}

.logo-accent {
    color: #4d5ae5;
}


.nav-link:hover,
.nav-link:focus {
    color: #404bbf;
}

.address-list{
    display: flex;
    gap: 40px;
}
.address-link {
    display: inline-block;
    color: #434455;
    font-style: normal;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.5;
    letter-spacing: 0.02em;
}

.address-link:hover,
.address-link:focus {
    color: #404bbf;
}
img{
    display: block;
    max-width: 100%;
}
.purpose-title {
    max-width: 496px;
    font-size: 56px;
    font-weight: 700;
    color: #fff;
    text-align: center;
    line-height: 1.07;
    letter-spacing: 0.02em;
    margin-bottom: 48px;
}
.purpose {
    padding: 188px 0;
    background-color: #2e2f42;
    overflow: hidden;
}
.purpose-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.purpose-button {
    color: #ffffff;
    background-color: #4d5ae5;
    font-weight: 500;
    min-width: 169px;
    font-size: 16px;
    line-height: 1.5;
    cursor: pointer;
    letter-spacing: 0.04em;
    padding: 16px 32px;
    border: none;
    border-radius: 4px;
}

.purpose-button:hover,
.purpose-button:focus {
    background-color: #404bbf;
}

.features {
    background-color: #ffffff;
}
.features-list {
    display: flex;
    gap: 24px;
}

.feature-title {
    color: #2e2f42;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
}

.features-item{
    width: calc((100% - 72px) / 4);
}

.worker-section {
    background-color: #f4f4fd;
}
.worker-list {
    display: flex;
    gap: 24px;
}
.worker-item{
    background-color: #ffffff;
    max-width: 264px;
    border-radius: 0 0 4px 4px;
    width: calc((100% - 72px) / 4);
}
.worker-content {
    padding: 32px 16px;
}

.worker-title{
    font-size: 36px;
    color: #2e2f42;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.02em;
    line-height: 1.11;
    margin-bottom: 72px;
}
.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;
}
.name-worker {
    font-size: 20px;
    margin-bottom: 8px;
    color: #2e2f42;
    text-align: center;
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.2;
}
.about-worker {
    text-align: center;
    color: #434455;
    letter-spacing: 0.02em;
}


.portfolio-section {
    background-color: #ffffff;
}
.portfolio-list {
    display: flex;
    flex-wrap: wrap;
    gap: 48px 24px;
}

.portfolio-item {
    width: calc((100% - 48px) / 3);
}
.portfolio-content {
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;
}

.portfolio-title {
    font-size: 36px;
    color: #2e2f42;
    font-weight: 700;
    text-align: center;
    letter-spacing: 0.02em;
    line-height: 1.11;
    margin-bottom: 72px;
}

.application-name {
    margin-bottom: 8px;
    font-size: 20px;
    font-weight: 500;
    color: #2e2f42;
    letter-spacing: 0.02em;
    line-height: 1.2;
    text-align: left;
}
.footer {
    background-color: #2e2f42;
    padding: 100px 0;
}


.logo-footer {
    font-family: "Raleway", sans-serif;
    color: #f4f4fd;
    text-transform: uppercase;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-decoration: none;
}

.logo-accent-1 {
    color: #4d5ae5;
}

.footer-info {
    color: #f4f4fd;
    letter-spacing: 0.02em;
    max-width: 264px;
    margin-top: 16px;
}