* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
body {
  font-family: "Roboto", sans-serif;
  color: #434455;
  background-color: #fff;
}
h1,
h2,
h3 {
  margin: 0;
  padding: 0;
}

img {
  display: block;
}
.container {
  width: 1158px;
  margin: 0 auto;
  padding-left: 15px;
  padding-right: 15px;
}
ul,
ol {
  list-style-type: none;
  /* margin: 0;
  padding: 0; */
}

a {
  text-decoration: none;
}

.page-header {
  border: 1px solid #e7e9fc;
}

.page-header-nav {
  display: flex;
}
.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;
}

.logo-part {
  color: #2e2f42;
}
.header-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: flex;
  gap: 40px;
}

.nav-list-link {
  font-family: "Roboto", sans-serif;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #2e2f42;
  display: block;
  padding-top: 24px;
  padding-bottom: 24px;
}

.page-address {
  font-style: normal;
  margin-left: auto;
}
.address-list {
  display: flex;
  align-items: center;
  gap: 40px;
}

.address-list-item-link {
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #434455;
  display: block;
  padding-top: 24px;
  padding-bottom: 24px;
}

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

/* effective silotions */
.effective {
  background-color: #2e2f42;
  padding: 188px 0;
}

.effective-title {
  font-weight: 700;
  font-size: 56px;
  line-height: 1.07;
  letter-spacing: 0.02em;
  text-align: center;
  color: #fff;
  padding-bottom: 48px;
  max-width: 496px;
  margin: 0 auto;
}
.effective-button {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;
  background-color: #4d5ae5;
  cursor: pointer;
  display: block;
  min-width: 169px;
  height: 56px;
  margin: 0 auto;
  cursor: pointer;
  border: none;
  border-radius: 4px;
}
.effective-button:hover,
.effective-button:focus {
  background-color: #404bbf;
}

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

.strategies {
  padding: 120px 0;
}
.strategies-list {
  display: flex;
  gap: 24px;
  justify-content: center;
}
.strategies-list-item {
  width: calc((100% – 72px) / 4);
}
.strategies-title-thrid {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
  margin-bottom: 8px;
}

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

.team {
  background: #f4f4fd;
  color: #2e2f42;
  padding: 120px 0;
}

.team-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-align: center;
  text-transform: capitalize;
  margin-bottom: 72px;
}
.team-list {
  display: flex;
  gap: 24px;
}
.team-list-item {
  background-color: #fff;
  border-radius: 0px 0px 4px 4px;
}
.team-list-title {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-align: center;
  margin-bottom: 8px;
}
.workers {
  padding: 32px 0;
}
.team-list-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
  color: #434455;
}
.portfolio {
  padding: 120px 0;
}
.portfolio-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-align: center;
  text-transform: capitalize;
  color: #2e2f42;
  margin-bottom: 72px;
}
.portfolio-list {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  row-gap: 48px;
}
.portfolio-list-up {
  width: 360px;
  /* border: 1px solid #e7e9fc; */
  flex: 0 0 calc((100% - 48px) / 3);
}
.portfolio-list-title {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
  margin-bottom: 8px;
}

.app {
  padding: 32px 16px;
  border: 1px solid #e7e9fc;
  border-top: none;
}
/* .portfolio-list-img {
  margin: -2px 0 0 -2px;
} */
.portfolio-list-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

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

.logo-footer {
  color: #f4f4fd;
}
.logo-text {
  display: inline-block;
  margin-bottom: 16px;
}
.page-footer-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;
}