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

button {
  cursor: pointer;
}

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

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

img {
  display: block;
}

a {
  text-decoration: none;
}

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

.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;
}

/* ******************************************************* */

/* ****************** Header section ********************* */

.header {
  max-width: 1440px;
  border-bottom: 1px solid #e7e9fc;
  padding: 24px 0;
  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;
  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-logo-span {
  color: #2e2f42;
}

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

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

.header-nav-item {
  padding: 24px 0;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  /* color: #2e2f42; */
  color: #404bbf;
  position: relative;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

.header-adr-item {
  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-adr-item:hover,
.header-adr-item:focus {
  color: #404bbf;
}

/* ******************************************************* */

/* ****************** Hero section *********************** */

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

.hero-title {
  max-width: 496px;
  margin: 0 auto;
  margin-bottom: 48px;
  font-weight: 700;
  font-size: 56px;
  line-height: 1.07;
  letter-spacing: 0.02em;
  text-align: center;
  color: #fff;
}

.hero-btn {
  display: block;
  border-radius: 4px;
  border: none;
  padding: 16px 32px;
  background-color: #4d5ae5;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;
  margin: 0 auto;
  min-width: 169px;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ******************************************************* */

/* ****************** Our advantages section ************* */

.advantages-section {
  padding: 120px 0;
  max-width: 1440px;
}

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

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

.advantages-item {
  width: calc((100% - 3 * 24px) / 4);
}

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

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

/* ******************************************************* */

/* ****************** Our team section ******************* */

.team {
  max-width: 1440px;
  background-color: #f4f4fd;
  padding: 120px 0;
}

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

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

.team-item {
  background: #fff;
  border-radius: 0 0 4px 4px;
  width: calc((100% - 3 * 24px) / 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-item-prof {
  padding: 32px 0;
}

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

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

.team-icon-list {
  display: flex;
  gap: 24px;
  justify-content: center;
}

.team-icon-item {
  width: 40px;
  height: 40px;
}

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

.team-svg {
  fill: #f4f4fd;
}

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

/* ******************************************************* */

/* ****************** Our portfolio section *************** */

.portfolio {
  max-width: 1440px;
  padding: 120px 0;
}

.portfolio-caption {
  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;
}

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

.portfolio-item {
  width: calc((100% - 2 * 24px) / 3);
  transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.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);
}

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

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

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

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

/* ******************************************************* */

/* ****************** Footer ***************************** */

.footer {
  max-width: 1440px;
  padding-top: 100px;
  padding-bottom: 100px;
  background-color: #2e2f42;
}

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

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

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

.footer-soc {
  max-width: 208px;
}
.footer-soc-text {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 16px;
}
.footer-soc-list {
  display: flex;
  gap: 16px;
  justify-content: center;
}
.footer-soc-item {
  width: 40px;
  height: 40px;
}
.footer-soc-link {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #4d5ae5;
  border-radius: 50%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-soc-svg {
  fill: #f4f4fd;
}

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