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;
}

/* common */

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

/* header */
.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;
}
.footer-logo .logo-part {
    color: #f4f4fd;
}

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

.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;
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;
}

/* Slogan */
.section {
    padding: 120px 0;
    margin-left: auto;
    margin-right: auto;
}

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

 .container-section-one {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 48px;
    margin-left: auto;
    margin-right: auto;
    
 }

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

.button {
font-weight: 500;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.04em;
text-align: center;
color: #fff;
background-color: #4d5ae5;
box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
cursor: pointer;
border-radius: 4px;
min-width: 169px;
height: 56px;
border: none;
transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.button:hover {
    color: #fff;
    background-color: #404bbf;
}

                    /* advantages */

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

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

.visualli-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;
}

.card-set {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
}

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

.advantages-list-description {
font-weight: 400;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
color: #434455;
}

                    /* ourTeam */

.page-team {
    background-color: #f4f4fd;
}

.card-set-team {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 24px;
  border-radius: 0 0 4px 4px;
}

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

.text-container-team {
    text-align: center;
    padding: 32px 0;
}

.our-team-list {
  display: block;
  background-color: #ffffff;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 2px 1px 0 rgba(46, 47, 66, 0.08),
    0 1px 1px 0 rgba(46, 47, 66, 0.16), 0 1px 6px 0 rgba(46, 47, 66, 0.08);
}

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

.our-team-list-description {
font-weight: 400;
font-size: 16px;
line-height: 1.5;
letter-spacing: 0.02em;
text-align: center;
color: #434455;
text-align: center;
}

.items-social-networks {
    display: flex;
    justify-content: center;
    gap: 24px;
    gap: 24px;
    margin-top: 8px;
}

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

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

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

.svg-icons {
  fill: #f4f4fd;
}

                    /* Portfolio */
.page-portfolio {
  background: #fff;
}

.portfolio-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  color: #2e2f42;
  text-align: center;
  text-transform: capitalize;
  margin-bottom: 72px;
}
.card-set-portfolio {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 48px 24px;
}
.card-set-portfolio-item {
  transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.card-set-portfolio-item:hover {
  box-shadow: 0 2px 1px 0 rgba(46, 47, 66, 0.08),
    0 1px 1px 0 rgba(46, 47, 66, 0.16), 0 1px 6px 0 rgba(46, 47, 66, 0.08);
}

.img-transform {
  position: relative;
  overflow: hidden;
}

.text-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  transform: translateY(100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
  background-color: #4d5ae5;
  color: #f4f4fd;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  padding: 40px 32px;
}
.card-set-portfolio-item:hover .text-overlay {
  transform: translateX(0);
}

.card-set-portfolio-item {
  width: calc((100% - 48px) / 3);
}
.card-image {
  display: block;
}

.text-container {
  border-bottom: 1px solid #e7e9fc;
  border-left: 1px solid #e7e9fc;
  border-right: 1px solid #e7e9fc;
  padding: 32px 16px;
}
.portfolio-list {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
  margin-bottom: 8px;
}
.portfolio-descrsption {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #434455;
}


                    /* footer */
.page-footer {
  background-color: #2e2f42;
  padding: 100px 0;
}

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

.logo-container-footer {
  display: inline-block;
  margin-bottom: 16px;
}

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

.footer-text {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;
  max-width: 264px;
}
.social-footer-text {
  margin-bottom: 16px;
}
.social-media-conteiner {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #ffffff;
}
.items-social-networks-footer {
  display: flex;
  justify-content: center;
  gap: 16px;
}
.icons-conteiner {
  width: 40px;
  height: 40px;
}
.icons-social-networks-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  width: 100%;
  background-color: #4d5ae5;
  border-radius: 50%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.icons-social-networks-footer:hover,
.icons-social-networks-footer:focus {
  background-color: #31d0aa;
}