* {
  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;
  max-width: 100%;
  height: auto;
}
.container {
  max-width: 320px;
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}
ul,
ol {
  list-style-type: none;
}

a {
  text-decoration: none;
}

/* page-header */

.page-header {
  border: 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);
}

.page-header-nav {
  display: flex;
  justify-content: space-between;
}
.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;
}

.logo-part {
  color: #2e2f42;
}
.logo.logo-top {
  padding: 16px 0;
}

.header-nav {
  display: flex;
  align-items: center;
}
.nav-list {
  display: none;
  gap: 40px;
}
.nav-list-link.current,
.modal-menu-link.current {
  color: #404bbf;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-list-link::after {
  content: "";
  width: 100%;
  height: 4px;
  position: absolute;
  left: 0;
  bottom: -1px;
  background-color: #404bbf;
  border-radius: 2px;
  opacity: 0;
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-list-link:hover:after,
.nav-list-link:focus:after,
.nav-list-link.current::after {
  opacity: 1;
}
.nav-list-link {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #2e2f42;
  display: block;
  padding-top: 24px;
  padding-bottom: 24px;
  position: relative;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.page-address {
  display: none;
  font-style: normal;
  margin-left: auto;
}
.address-list {
  display: flex;
}

.address-list-item-link {
  color: #434455;
  display: block;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-list-link:hover,
.nav-list-link:focus,
.address-list-item-link:hover,
.address-list-item-link:focus {
  color: #404bbf;
}
.header-burger-button {
  border: none;
  background-color: transparent;
  padding: 0;
  display: flex;
  align-items: center;

  justify-content: center;
}
.header-menu-svg-burger {
  display: block;
  fill: #2f2f37;
}
/* effective silotions */
.effective {
  background-color: #2e2f42;
  padding: 72px 0;
  max-width: 320px;

  background-image: linear-gradient(
      rgba(46, 47, 66, 0.7),
      rgba(46, 47, 66, 0.7)
    ),
    image-set(
      url(../images/background/dark-bg-mobile.jpg) 1x,
      url(../images/background/dark-bg-mobile@2x.jpg) 2x
    );
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  margin: 0 auto;
}

.effective-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-align: center;
  color: #fff;
  max-width: 216px;
  margin: 0 auto 72px;
}
.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;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.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 */

.strategies {
  padding: 96px 0;
}
.strategies-list {
  display: flex;
  flex-direction: column;
  row-gap: 72px;
  justify-content: center;
}

.strategies-icon {
  display: none;
}

.strategies-title-thrid {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.12;
  letter-spacing: 0.02em;
  text-align: center;
  color: #2e2f42;
  margin-bottom: 8px;
}

.strategies-text {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #434455;
}

/* team */
.our-team {
  background: #f4f4fd;

  padding: 96px 0;
}
.container.team {
  color: #2e2f42;
}

.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;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 72px;
}
.team-list-item {
  background-color: #fff;
  border-radius: 0px 0px 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);
}
.team-list-title {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  text-align: center;
  margin-bottom: 8px;
}
.team-list-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
  color: #434455;
  margin-bottom: 8px;
}

/* .workers {
} */

.workers {
  padding: 32px 0;
}
.workers-list {
  display: flex;
  gap: 24px;
  justify-content: center;
}
.workers-list-items {
  width: 40px;
  height: 40px;
}
.workers-list-link {
  height: 100%;
  width: 100%;
  background-color: #4d5ae5;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.workers ul li a:hover,
.workers ul li a:focus {
  background-color: #404bbf;
}

.workers ul li svg {
  fill: #f4f4fd;
  margin: 0 auto;
  width: 16px;
  height: 16px;
  display: block;
}

/* portfolio */

.portfolio {
  padding: 96px 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;
  row-gap: 48px;
  justify-content: center;
}
.portfolio-list-up {
  width: 360px;
  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-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-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.portfolio-text-hover {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;
  position: absolute;
  top: 0;
  left: 0;
  background-color: #4d5ae5;
  width: 100%;
  height: 100%;
  padding: 40px 32px;
  transform: translateY(100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.portfolio-img-tumba {
  position: relative;
  overflow: hidden;
}

/* footer */

.page-footer {
  background-color: #2e2f42;
  padding: 96px 0;
}
.container.footer-container {
  display: flex;
  flex-direction: column;
  gap: 72px;
}
.logo-footer {
  color: #f4f4fd;
}

.page-footer-text {
  font-weight: 400;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;
}
.footer-bar {
  margin: 0 auto;
}
.footer-logo.footer-bar {
  display: flex;
  flex-direction: column;
  gap: 16px;

  align-items: center;
}
.footer-social-text {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #fff;
  margin-bottom: 16px;
  text-align: center;
}

.footer-social .footer-social-list {
  display: flex;
  gap: 16px;
}
.footer-social-link {
  width: 40px;
  height: 40px;
  background-color: #4d5ae5;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.footer-social-link:hover,
.footer-social-link:focus {
  background-color: #31d0aa;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.svg-footer,
.workers-list-svg {
  fill: #f4f4fd;
}
.svg-footer.footsvg {
  margin-left: 16px;
}

.footer-form {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.footer-form-email {
  background-color: transparent;
  border: 1px solid rgb(255, 255, 255, 0.3);
  border-radius: 4px;
  width: 288px;
  height: 40px;
  padding: 8px 16px;
  outline: transparent;
}

.footer-form-email::placeholder {
  font-weight: 400;
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: rgb(255, 255, 255, 0.6);
}

.footer-buttom-subscribe {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;

  border: none;
  border-radius: 4px;
  padding: 8px 24px;
  max-width: 165px;
  height: 40px;
  margin: 0 auto;
  background-color: #4d5ae5;
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-buttom-subscribe:hover {
  background-color: #404bbf;
}

/* modal-windows */

.modal-windows {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(46, 47, 66, 0.4);
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1),
    visibility 250ms cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.modal-windows.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}
.modal-windows-wrapper {
  border-radius: 4px;
  width: 90%;
  max-width: 408px;
  min-height: 623px;
  box-shadow: 0 1px 1px 0 rgba(0, 0, 0, 0.14), 0 1px 3px 0 rgba(0, 0, 0, 0.12),
    0 2px 1px 0 rgba(0, 0, 0, 0.2);
  background-color: #fcfcfc;
  padding: 72px 16px 16px;
  /* overflow: auto; */
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-text {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
  color: #2e2f42;
  margin-bottom: 16px;
}

.modal-form-button-close {
  width: 24px;
  height: 24px;
  border: 1px solid rgba(0, 0, 0, 0.1);
  background-color: #e7e9fc;
  fill: #2e2f42;
  border-radius: 50%;
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  top: 24px;
  right: 24px;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-form-button-close:hover,
.modal-form-button-close:focus {
  background-color: #404bbf;
  border: none;
  fill: #ffffff;
}

.modal-form-svg-close {
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-form-list {
  margin-bottom: 8px;
}

.modal-form-label {
  display: block;
  font-weight: 400;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: #8e8f99;
  margin-bottom: 4px;
}

.modal-form-input-relative {
  position: relative;
}

.modal-form-items {
  border: 1px solid rgba(46, 47, 66, 0.4);
  background-color: transparent;
  border-radius: 4px;
  width: 100%;
  height: 40px;
  padding-left: 38px;
  font-weight: 400;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: #2e2f42;
  outline: transparent;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-form-items:focus {
  border-color: #4d5ae5;
}
.modal-form-items:focus + svg {
  fill: #4d5ae5;
}
.modal-form-svg-list {
  fill: #2e2f42;
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 16px;
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-form-list-last {
  margin-bottom: 16px;
}
.modal-form-list-textarea {
  border: 1px solid rgba(46, 47, 66, 0.4);
  background-color: transparent;
  border-radius: 4px;
  width: 100%;
  height: 120px;
  resize: none;
  padding: 8px 16px;
  font-weight: 400;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: #2e2f42;
  outline: transparent;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-form-list-textarea:focus {
  border-color: #4d5ae5;
}
.modal-form-list-textarea:placeholder-shown {
  font-weight: 400;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: rgba(46, 47, 66, 0.4);
  padding: 8px 16px;
}

.modal-form-label.modal-form-label-checkbox {
  margin-bottom: 0;
  font-weight: 400;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: #8e8f99;
  display: flex;
  align-items: center;
}

.accept_plicy {
  margin-bottom: 24px;
}
.modal-form-link {
  line-height: 1.33333;
  text-decoration: underline;
  text-decoration-skip-ink: none;
  color: #4d5ae5;
  transition: color 250ms ease;
}

.modal-form-link:hover {
  color: #404bbf;
}

.modal-form-button {
  background-color: #4d5ae5;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  border: none;
  border-radius: 4px;
  padding: 16px 32px;
  min-width: 169px;
  height: 56px;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  display: block;
  color: #fff;
  margin: 0 auto;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.modal-form-svg-policy {
  fill: #f4f4fd;
  opacity: 0;
}

.modal-form-span-svg {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  fill: transparent;
  margin-right: 8px;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  border-radius: 2px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border 250ms cubic-bezier(0.4, 0, 0.2, 1),
    fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

#user-privacy:hover ~ .modal-form-label-checkbox .modal-form-span-svg,
#user-privacy:focus ~ .modal-form-label-checkbox .modal-form-span-svg {
  border-color: #404bbf;
}

#user-privacy:checked ~ .modal-form-label-checkbox .modal-form-span-svg {
  background-color: #404bbf;
  border: none;
  fill: #f4f4fd;
}

#user-privacy:checked
  ~ .modal-form-label-checkbox
  .modal-form-span-svg
  .modal-form-svg-policy {
  opacity: 1;
}

/* modal-menu */

.modal-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1),
    visibility 250ms cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.modal-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(100%);
}
.modal-menu-mobile {
  width: 100%;
  height: 100%;
  background-color: #fff;
  padding: 72px 16px 40px;
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(-100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-form-button-close {
  background-color: rgb(231, 233, 252, 0.1);
}

.menu-mobile {
  display: flex;
  flex-direction: column;
  gap: 48px;
}
.modal-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
.modal-menu-link {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.12;
  letter-spacing: 0.02em;
  color: #2e2f42;
}

.address-mobile-item {
  display: flex;
  flex-direction: column-reverse;
  gap: 24px;
  font-style: normal;
}

.address-mobile-list-link {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #434455;
}
.address-mobile-link-tel {
  color: #4d5ae5;
}

.social-icons {
  display: flex;
  gap: 40px;
}