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

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

a {
  text-decoration: none;
}

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

img {
  display: block;
  max-width: 100%;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
  clip-path: inset(100%);
}

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

/* header */

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

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

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

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-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 a {
  padding-top: 24px;
  padding-bottom: 24px;
}

.another-color-header {
  color: #2e2f42;
}

.header-menu-link {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #2e2f42;
}

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

.style-active:active {
  background-color: #404bbf;
}

.psevdo-element {
  position: relative;
  color: #404bbf;
}

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

.header-contacts {
  font-style: normal;
}

.header-contacts-link {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #434455;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* hero part */

.hero-part {
  background-color: #2e2f42;
  padding-top: 188px;
  padding-bottom: 188px;
  background-image: linear-gradient(
      rgba(46, 47, 66, 0.7),
      rgba(46, 47, 66, 0.7)
    ),
    url("../images/bgimg.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  max-width: 1440px;
  margin: 0 auto;
}

.hero-part-title {
  font-size: 56px;
  line-height: 1.07;
  letter-spacing: 0.02em;
  text-align: center;
  color: #fff;
  max-width: 496px;
  margin: 0 auto;
}

.hero-part-btn {
  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;
  background-color: #4d5ae5;
  cursor: pointer;
  border: none;
  margin: 0 auto;
  display: block;
  padding-top: 16px;
  padding-bottom: 16px;
  border-radius: 4px;
  margin-top: 48px;
  min-width: 169px;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.hero-part-btn:hover,
.hero-part-btn:focus {
  background-color: #404bbf;
}

/* achievement part */

.achievement-part {
  padding-top: 120px;
  padding-bottom: 120px;
}

.achievement-part-list {
  display: flex;
  gap: 24px;
  margin: 0 auto;
}

.achievement-part-item {
  flex-basis: calc((100% - 72px) / 4);
}

.achievement-part-wrapper {
  padding: 24px 100px;
  border: 1px solid #8e8f99;
  border-radius: 4px;
  background-color: #f4f4fd;
  margin-bottom: 8px;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 112px;
}

.achievement-part-icon {
  display: block;
}

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

.achievement-part-text {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

/* team part */

.team-part {
  background-color: #f4f4fd;
  padding-top: 120px;
  padding-bottom: 120px;
}

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

.team-part-list {
  display: flex;
  gap: 24px;
  margin: 0 auto;
}

.team-part-item {
  background-color: #fff;
  border-radius: 0 0 4px 4px;
  flex-basis: calc((100% - 72px) / 4);
  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);
}

.team-part-info {
  padding: 32px 0;
}

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

.team-part-text {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
}

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

.social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 12px;
  background-color: #4d5ae5;
  border-radius: 50%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.social-icon {
  fill: #f4f4fd;
  display: block;
}
/* portfolio part */

.portfolio-part {
  padding-top: 120px;
  padding-bottom: 120px;
}

.portfolio-part-list {
  display: flex;
  column-gap: 24px;
  row-gap: 48px;
  margin: 0 auto;
  flex-wrap: wrap;
}

.portfolio-part-item {
  flex-basis: calc((100% - 48px) / 3);
  transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-part-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);
}

.portfolio-part-wrapper {
  position: relative;
  overflow: hidden;
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-part-annotation {
  font-size: 1;
  line-height: 150%;
  letter-spacing: 0.02em;
  color: #f4f4fd;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #4d5ae5;
  padding: 40px 32px;
  height: 100%;
  transform: translateY(100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-part-item:hover .portfolio-part-annotation {
  transform: translateY(0);
}

.portfolio-part-info {
  border-bottom: 1px solid #e7e9fc;
  border-left: 1px solid #e7e9fc;
  border-right: 1px solid #e7e9fc;
  padding: 32px 16px;
}

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

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

.portfolio-part-text {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

/* footer */

.footer {
  background-color: #2e2f42;
  padding-top: 100px;
  padding-bottom: 100px;
  align-items: baseline;
}

.footer-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;
}

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

.another-color-footer {
  color: #f4f4fd;
}

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

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

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

.footer-left-part {
  margin-right: 120px;
}

.footer-right-text {
  font-weight: 500;
  font-size: 16px;
  line-height: 150%;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 16px;
}

.footer-social-icon {
  fill: #f4f4fd;
  display: block;
}

.footer-social-link {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 8px;
  background-color: #4d5ae5;
  border-radius: 50%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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