*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    font-family: "Roboto", sans-serif;
    color: #434455;
    font-size: 12px;
    line-height: 24px;
    background-color: #ffffff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    margin: 0;
}

p {
    margin: 0;
}

ul {
    margin-top: 0;
    margin-bottom: 0;
    padding-left: 0;
    list-style-type: none;
}

img {
    display: block;
}

a {
    text-decoration: none;
}

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

.nav-conteiner {
    display: flex;
    padding: 24px 0;
}

.navigation {
    display: flex;
    align-items: center;
}

.page-header {
    border-bottom: 1px solid #e7e9fc
}

.nav-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;
}

.accent-header {
    font-family: "Raleway", sans-serif;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #2e2f42;
}

.nav-list {
    display: flex;
    gap: 40px;
}

.nav-list .nav-item-link {
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #2e2f42;
    background-color: #ffffff;
}

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

.contacts {
    font-style: normal;
    margin-left: 332px;
}

.contacts-list {
    display: flex;
    gap: 40px;
}

.contacts-list .contacts-item-link {
    font-family: "Roboto", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;
}

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

.section-title {
   background-color: #2E2F42;
    padding: 188px 0
}

.title {
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-size: 56px;
    line-height: 1.07;
    letter-spacing: 0.02em;
    color: #fff;
    text-align: center;
    text-transform: capitalize;
    max-width: 496px;
    margin: 0 auto;
    
}

.title-button {
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #fff;
    background-color: #4d5ae5;
    cursor: pointer;
    display: block;
    margin: 0 auto;
    min-width: 169px;
    height: 56px;
    border: none;
    border-radius: 4px;
    margin-top: 48px;
}
.title-button:hover,
.title-button:focus {
    background-color: #404BBF
}

.section-post-title {
    padding: 120px 0;
}

.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;
}

.post-title {
    font-family: "Roboto", sans-serif;
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
    letter-spacing: 0.02em;
    color: #2e2f42;
    text-align: center;
    text-transform: capitalize;
}

.post-title-list {
    display: flex;
    gap: 24px;
}

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

.post-title-subtitle {
    margin-bottom: 8px;
}

.subtitle {
    font-family: "Roboto", sans-serif;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
}

.text {
    font-family: "Roboto", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #434455;
}

.section-team {
    background-color: #F4F4FD;
    padding: 120px 0;
}

.our-team {
    background-color: #FFFFFF;
}

.team-list {
    display: flex;
    gap: 24px;
}

.team-item {
    width: calc((100% - 72px) / 4);
    border-radius: 0px 0px 4px 4px;
}

.people {
    padding: 32px 0;
}

.team-subtitle {
    text-align: center;
    margin-bottom: 8px;
}

.team-post-title {
    margin-bottom: 72px;
}

.team-text {
    text-align: center;
}

.section-portfolio {
    padding: 120px 0;
}

.portfolio-post-title {
    margin-bottom: 72px;
}

.portfolio-list {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    row-gap: 48px;
}

.portfolio-item {
    width: calc((100% - 48px) / 3);
}

.app {
    padding: 32px 16px;
    border: 1px solid #e7e9fc;
    border-top: none;
}

.portfolio-subtitle {
    margin-bottom: 8px;
}

.footer {
    background-color: #2E2F42;
    padding: 100px 0;
}

.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;
    display: inline-block;
    margin-bottom: 16px;
}

.accent-footer {
    font-family: "Raleway", sans-serif;
    font-weight: 700;
    font-size: 18px;
    line-height: 1.17;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    color: #f4f4fd;
}

.text-footer {
    font-family: "Roboto", sans-serif;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #f4f4fd;
    max-width: 264px;
}