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

body {
  font-family: "Roboto", sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: #434455;
  background-color: #ffffff;
  letter-spacing: 0.02em;
  padding: 0;
  margin: 0;
}
img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}
p,
h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}
ul {
  list-style: none;
  margin: 0;
  padding-left: 0;
}
.container {
  width: 1158px;
  padding: 0 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);
}

.span-main {
  color: #2e2f42;
}

header .container {
  display: flex;
  justify-content: space-between;

  align-items: center;
}
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;
  color: #4d5ae5;
  text-transform: uppercase;
  margin-right: 76px;
}
.navigation-list {
  display: flex;
  gap: 40px;
}
.navigation-list-item {
  padding: 24px 0;
}
.navigation {
  position: relative;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0/02em;
  color: #2e2f42;
  padding: 24px 0 24px 0;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.navigation::after {
  position: relative;
  content: "";
  width: 100%;
  border-radius: 2px;
  height: 4px;
  position: absolute;
  left: 0;
  bottom: -1px;
  background-color: #404bbf;
  opacity: 0;
  transition: opacity 500ms cubic-bezier(0.4, 0, 0.2, 1);
}

.navigation:hover::after,
.navigation:focus::after,
.navigation.current::after {
  opacity: 1;
}

.contact {
  display: flex;

  gap: 40px;
}
address {
  font-style: normal;
}
.contact-info {
  display: flex;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
  font-size: 16px;
  line-height: 1.5;
  color: #434455;
}
.navigation:hover,
:focus,
.contact-info:hover,
:focus,
.navigation.current {
  color: #404bbf;
}
/* main  */

/* blue banner */
h1 {
  text-align: center;
}
.main-banner {
  padding: 188px 0;
  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;
  max-width: 1440px;
  margin: 0 auto;
}

.main-head {
  font-weight: 700;
  font-size: 56px;
  line-height: 1.07;
  letter-spacing: 0.02em;
  color: #ffffff;
  max-width: 496px;
  margin: 0 auto 48px;
}

.button-order {
  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 24px;
  letter-spacing: 0.04em;
  background-color: #4d5ae5;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  color: #ffffff;
  text-align: center;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
  display: block;
  min-width: 169px;
  border: none;
  height: 56px;

  margin: 0 auto;

  border-radius: 4px;
}

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

/* work banner */
.work {
  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;
}
.icon-box {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 112px;
  width: 100%;
  border: 1px solid #8e8f99;
  border-radius: 4px;
  background-color: #f4f4fd;
  margin-bottom: 8px;
}
.icon-box svg {
  margin: 24px 100px;
}

.work-list {
  display: flex;
  gap: 24px;
}
.work-list-item {
  width: calc((100% - 72px) / 4);
}

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

.main-banner {
  background-color: #2e2f42;
  letter-spacing: 0.02em;
}

.our-work {
  font-size: 16px;
  line-height: 1.5;
  color: #434455;
  margin-bottom: 8px;
}

/* team  */

.our-team {
  background-color: #f4f4fd;
  letter-spacing: 0.02em;
  padding: 120px 0;
}
.teammates {
  font-weight: 500;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  color: #2e2f42;
  text-align: center;
  margin-bottom: 72px;
}
.team-list {
  display: flex;
  gap: 24px;
}

.team-members {
  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);
  width: calc((100% - 72px) / 4);
}
.member-name {
  padding: 32px 0;
}
.team-member {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
  text-align: center;

  margin-bottom: 8px;
}
.member {
  text-align: center;
}
.team-social-media-list {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.team-social-media-list-item {
  width: 40px;
  height: 40px;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

svg.team-icon-social {
  fill: #f4f4fd;
}

.social-icon {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #4d5ae5;
  color: #fff;
  font-size: 24px;
  text-decoration: none;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.social-icon:hover,
.social-icon:focus {
  background-color: #404bbf;
}

/* portfolio */
.portfolio-main {
  padding-top: 120px;
  padding-bottom: 120px;
}
.portfolio {
  text-align: center;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-transform: capitalize;
  color: #2e2f42;
  margin-bottom: 72px;
}
.portfolio-container {
  width: 1128px;
}
.portfolio-list {
  display: flex;
  flex-wrap: wrap;
  gap: 48px 24px;
}
.portfolio-list-item {
  width: calc((100% - 48px) / 3);

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

.image-portfolio {
  position: relative;
  overflow: hidden;
}

.portfolio-text {
  position: absolute;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;
  padding: 40px 32px;
  background-color: #4d5ae5;
  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;
}

.portfolio-list-item:hover .portfolio-text {
  transform: translateY(0%);
}

.portfolio-list-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);
}
.our-work {
  font-weight: 400;
}
.app-name {
  padding: 32px 16px;
  border: 1px solid #e7e9fc;
  border-top: none;
}
.apps {
  text-align: left;
}
/* footer */

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

.logo-footer {
  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;
  color: #4d5ae5;
  text-transform: uppercase;
}
footer .container {
  display: flex;
  align-items: baseline;
  gap: 120px;
}

.footer-text {
  color: #f4f4fd;
  max-width: 264px;
}

.social-icon-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #4d5ae5;
  color: #fff;
  font-size: 24px;
  text-decoration: none;
}
.social-icon-footer:hover,
.social-icon-footer:focus {
  background-color: #31d0aa;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.media {
  font-weight: 500;
  color: #ffffff;
  margin-bottom: 16px;
}
.social-media-list {
  display: flex;
  gap: 16px;
}
.social-media-list-item {
  width: 40px;
  height: 40px;
}

.span-footer {
  color: #f4f4fd;
}
a {
  text-decoration: none;
}