body{
    font-family: "Roboto", sans-serif;
    color: #434455;
    background-color: #ffff;
}

ul, ol {
    list-style-type: none;
    margin: 0;
    padding: 0;
}

a{
    text-decoration: none;
}

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

/* common */

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

.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);
}

.header-container {
    display: flex;
    align-items: center;
}

.header-nav {
    display: flex;
    align-items: center;
}

.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-list {
    display: flex;
    align-items: center;
    gap: 40px;
}

.nav-link{
    display: block;
    padding: 24px 0;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #2e2f42;

    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link.current {
    position: relative;
    color: #404bbf;
}

.nav-link.current::after {
    content: "";

    position: absolute;
    left: 0;
    bottom: -1px;

    width: 100%;
    height: 4px;

    background-color: #404bbf;
    border-radius: 2px;
}

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

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

.contact-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;

    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.page-footer {
    padding: 100px 0;
}

.under-container {
    display: flex;
    align-items: baseline;
}

.container-footer {
    margin-right: 120px;
}

.footer-logo {
    display:inline-block;
    margin-bottom: 16px;
    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 {
    color: #f4f4fd
}

.intro-footer {
    max-width: 264px;
    font-family: "Roboto", sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #f4f4fd;
}

.footer-text {
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #fff;
    margin-bottom: 16px;
}

.footer-list {
    display: flex;
    gap: 16px;
}

.footer-item {
    width: 40px;
    height: 40px;
}

.footer-link {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    background-color: #4d5ae5;
    border-radius: 50%;
    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-link:hover,
.footer-link:focus {
    background-color: #31d0aa;
}

.page-footer {
    background-color: #2e2f42;
}

.section-one {
    max-width: 1440px;
    padding: 188px 0;
    margin: 0 auto;
    background: #2e2f42;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-image: linear-gradient(rgba(46, 47, 66, 0.7),
             rgba(46, 47, 66, 0.7)),
            url(../images/people-office.jpg);
}

.business {
    max-width: 496px;
    margin: auto; 
    margin-bottom: 48px;
    font-weight: 700;
    font-size: 56px;
    line-height: 1.07;
    letter-spacing: 0.02em;
    text-align: center;
    color: #fff;
}

.button {
    display: block;
    margin: auto;
    border-radius: 4px;
    border: none;
    min-width: 169px;
    height: 56px;
    cursor: pointer;
    background-color: #4d5ae5;
    font-weight: 500;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.04em;
    color: #fff;

    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.button:hover,
.button:focus {
    background-color: #404BBF
}

.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;
}

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

.icons-stategy {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 112px;
    background-color: #f4f4fd;
    border-radius: 4px;
    border: 1px solid #8e8f99;
    margin-bottom: 8px;
}


.container-feature {
    display: flex;
    align-items: center;
    gap: 24px;
}

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

.intro-feature {
    max-width: 264px;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
}

.section-three {
    background-color: #f4f4fd;
    padding: 120px 0;
}

.person-container {
    display: flex;
    gap: 24px;
}


.job-name {
    padding: 32px 0;
}

.team-item {
    background-color: #FFFFFF;
    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);
    border-radius: 0px 0px 4px 4px;
    width: calc((100%-72px)/4);
    display: block;
}

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

.our-team {
    margin-bottom: 8px;
    text-align: center;
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
}

.about-team {
    text-align: center;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    margin-bottom: 8px;
}

.icons-link {
    width: 100%;
    height: 100%;
    background-color: #4d5ae5;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;

    transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.social-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
}

.icons-item {
    width: 40px;
    height: 40px;
}

.link-item {
    fill: #f4f4fd;
}

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

.container-imagine {
    display: block;
}
    
.not-vision {
    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);
}

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

.about-service {
    display: flex;
    flex-wrap: wrap;
    column-gap: 24px;
    row-gap: 48px;
    align-items: left;
}

.profile-list {
    width: calc((100% - 48px) / 3);
    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);
    transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.profile-list:hover .not-vision {
    transform: translateY(0%);
}

.infusion {
    position: relative;
    overflow: hidden;

}

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

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

.about-portfolio {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
}