:root {
  --iris: #4d5ae5;
  --ocean: #404bbf;
  --navy-blue: #2e2f42;
  --green: #31d0aa;
  --slate: #434455;
  --light-slate: #8e8f99;
  --cornflower: #e7e9fc;
  --cloud: #f4f4fd;
  --navy-blue-modal: rgba(46, 47, 66, 0.4);
  --grey: rgba(46, 47, 66, 0.7);
  --white: #fff;
  --dairy: #fcfcfc;

  --font-family: "Roboto", sans-serif;
  --second-family: "Raleway", sans-serif;
}

body {
  font-family: var(--font-family);
  background-color: var(--white);
  color: var(--slate);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
}
body:has(.modal-backdrop.is-open),
body:has(.mob-menu.is-open) {
  overflow-y: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
  color: var(--navy-blue);
  letter-spacing: 0.02em;
}
h3 {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
}
.title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  margin: 0 auto 72px;
}
.title-centered {
  text-align: center;
}
.text-centered {
  text-align: center;
}
p {
  margin: 0;
}
ul,
ol {
  list-style-type: none;
  padding: 0;
  margin: 0;
}
a {
  display: inline-block;
  text-decoration: none;
  color: currentColor;
}

.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;
}
.logo-accent {
  color: var(--iris);
}
button {
  display: block;
  border: none;
  cursor: pointer;
}
img {
  display: block;
  max-width: 100%;
}
.button {
  font-family: inherit;
  font-weight: 500;
  border-radius: 4px;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  background-color: var(--iris);
  color: var(--white);
  letter-spacing: 0.04em;

  padding: 16px 32px;

  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.button:hover,
.button:focus {
  background-color: var(--ocean);
}
address {
  font-style: normal;
}

textarea {
  width: 100%;
  resize: none;
}
/* container */
.container {
  max-width: 320px;
  padding: 0 16px;
  margin: 0 auto;
}
@media screen and (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}
@media screen and (min-width: 1158px) {
  .container {
    max-width: 1158px;
    padding: 0 15px;
  }
}
.section {
  padding-top: 96px;
  padding-bottom: 96px;
}
@media screen and (min-width: 1158px) {
  .section {
    padding-top: 120px;
    padding-bottom: 120px;
  }
}
/* socials */
.socials-list {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
}
.socials-link {
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  background: var(--iris);
  cursor: pointer;

  transition: background 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.socials-icon {
  fill: var(--cloud);
}
/* #region header */
.header {
  border-bottom: 1px solid var(--cornflower);
  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-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav {
  display: flex;
  align-items: center;
}
.logo {
  font-family: var(--second-family);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.17;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--navy-blue);
  padding: 16px 0;
}
@media screen and (min-width: 768px) {
  .logo {
    padding: 24px 0;
    margin-right: 120px;
  }
}
@media screen and (min-width: 1158px) {
  .logo {
    margin-right: 76px;
  }
}
.nav-list {
  display: flex;
  align-items: center;
  gap: 40px;
}
.nav-link {
  font-weight: 500;
  color: var(--navy-blue);
  padding: 24px 0;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav-item {
  position: relative;
}
.nav-link.active::after {
  content: "";
  display: block;
  width: 100%;
  height: 4px;

  border-radius: 2px;
  background: var(--ocean);

  position: absolute;
  bottom: -1px;
}
.nav-link.active {
  color: var(--ocean);
}

.nav-link:hover,
.nav-link:focus {
  color: var(--ocean);
}
@media screen and (min-width: 768px) and (max-width: 1157px) {
  .address-list {
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;
  }
  .address-list > li:not(:last-child) {
    margin-bottom: 12px;
  }
}
@media screen and (min-width: 768px) {
  .link-contact {
    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }
  .link-contact:hover,
  .link-contact:focus {
    color: var(--ocean);
  }
}
@media screen and (min-width: 1158px) {
  .address-list {
    display: flex;
    align-items: center;
    gap: 40px;
  }
  .link-contact {
    padding: 24px 0;
  }
}

@media screen and (max-width: 767px) {
  .nav-list,
  .nav-contacts {
    display: none;
  }
}
.burger-btn {
  background-color: transparent;
  padding: 16px 0;
}
.burger-svg {
  display: flex;
  justify-content: center;
  align-items: center;
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.burger-btn:hover .burger-svg,
.burger-btn:focus .burger-svg {
  fill: var(--iris);
}
@media screen and (min-width: 768px) {
  .burger-btn {
    display: none;
  }
}
/* #endregion */

/*  #region Hero */
.hero {
  /* max-width: 320px; */
  margin: 0 auto;
  padding-top: 72px;
  padding-bottom: 72px;
  background: var(--navy-blue);
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-image:
    linear-gradient(var(--grey)), url(../images/hero-bg-mob@1x.jpg);
}
@media screen and (min-device-pixel-ratio: 2),
  (min-resolution: 192dpi),
  (min-resolution: 2dppx) {
  .hero {
    background-image:
      linear-gradient(var(--grey)), url(../images/hero-bg-mob@2x.jpg);
  }
}
@media screen and (min-width: 768px) {
  .hero {
    /* max-width: 768px; */
    padding-top: 112px;
    padding-bottom: 112px;
    background-image:
      linear-gradient(var(--grey)), url(../images/hero-bg-tab@1x.jpg);
  }
  @media screen and (min-device-pixel-ratio: 2),
    (min-resolution: 192dpi),
    (min-resolution: 2dppx) {
    .hero {
      background-image:
        linear-gradient(var(--grey)), url(../images/hero-bg-tab@2x.jpg);
    }
  }
}
@media screen and (min-width: 1158px) {
  .hero {
    max-width: 1440px;
    padding-top: 188px;
    padding-bottom: 188px;
    background-image:
      linear-gradient(var(--grey)), url(../images/hero-bg-desk@1x.jpg);
  }
  @media screen and (min-device-pixel-ratio: 2),
    (min-resolution: 192dpi),
    (min-resolution: 2dppx) {
    .hero {
      background-image:
        linear-gradient(var(--grey)), url(../images/hero-bg-desk@2x.jpg);
    }
  }
}
.hero-title {
  font-family: var(--font-family);
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  max-width: 216px;
  margin: 0 auto 72px;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--white);
}
@media screen and (min-width: 768px) {
  .hero-title {
    font-size: 56px;
    line-height: 1.07;
    max-width: 496px;
    margin: 0 auto 36px;
  }
}
@media screen and (min-width: 1158px) {
  .hero-title {
    margin: 0 auto 48px;
  }
}
.hero-button {
  margin: 0 auto;
}
/* #endregion */

/* #region Features */

.feature-item {
  max-width: 288px;

  /* max-width: 365px; */
  /* max-width: 264px; */
}
.features-list {
  display: grid;
  gap: 72px;
}
.feature-icon-wrapper {
  display: none;
}
@media screen and (max-width: 1157px) {
  .features-list p {
    font-weight: 500;
  }
}
@media screen and (min-width: 768px) {
  .features-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 24px;
    row-gap: 72px;
  }
  .feature-item {
    max-width: 365px;
    flex-basis: calc((100% - 24px) / 2);
  }
}
@media screen and (min-width: 1158px) {
  .features-list {
    flex-wrap: nowrap;
  }
  .feature-item {
    max-width: 264px;
    flex-basis: calc((100% - 24px * 3) / 4);
  }
  .feature-icon-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--light-slate);
    border-radius: 4px;
    background: var(--cloud);
    height: 112px;
    margin-bottom: 8px;
  }
}

.features-item-title {
  margin-bottom: 8px;
}
@media screen and (max-width: 767px) {
  .features-item-title {
    text-align: center;
  }
}
@media screen and (max-width: 1157px) {
  .features-item-title {
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
  }
}
@media screen and (min-width: 1158px) {
  .features-item-title {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
  }
}
/* #endregion */

/* #region Team */
.team {
  background-color: var(--cloud);
}
.team-list {
  display: grid;
  justify-content: center;
  gap: 72px;
}
.team-list-item {
  max-width: 264px;
  flex-basis: calc((100% - 24px * 3) / 4);
  background-color: var(--white);
  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);
  border-radius: 0 0 4px 4px;
}
@media screen and (min-width: 768px) {
  .team-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 24px;
    row-gap: 64px;
  }
  .team-list-item {
    flex-basis: calc((100% - 24px) / 2);
  }
}
@media screen and (min-width: 1158px) {
  .team-list {
    display: flex;
    align-items: center;
    gap: 24px;
  }
  .team-list-item {
    flex-basis: calc((100% - 24px * 3) / 4);
  }
}
.team-text-wrapper {
  padding: 32px 16px;
}
.team-card-title {
  margin-bottom: 8px;
}
.team-card-text {
  margin-bottom: 8px;
}
/* socials */
.socials-link:hover,
.socials-link:focus {
  background: var(--ocean);
}
/* #endregion */

/* #region Portfolio */

.portfolio-list {
  display: grid;
  gap: 48px;
}
.portfolio-item {
  max-width: 288px;
  transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
@media screen and (max-width: 1157px) {
  .portfolio-item {
    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);
  }
}
@media screen and (min-width: 768px) {
  .portfolio-list {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 24px;
    row-gap: 72px;
  }
  .portfolio-item {
    max-width: 356px;
    flex-basis: calc((100% - 24px) / 2);
  }
}
@media screen and (min-width: 1158px) {
  .portfolio-list {
    row-gap: 48px;
  }
  .portfolio-item {
    max-width: 360px;
    flex-basis: calc((100% - 24px * 2) / 3);
  }
  .portfolio-item:hover,
  .portfolio-item:focus {
    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);
  }
}
/* overlay */
.portfolio-card-overlay {
  position: relative;
  overflow: hidden;
}
.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  padding: 40px 32px;
  background: var(--iris);
  color: var(--cloud);

  transform: translateY(100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.portfolio-item:hover .overlay,
.portfolio-item:focus .overlay {
  transform: translateY(0);
}
.portfolio-text-wrapper {
  padding: 32px 16px;
  border-bottom: 1px solid var(--cornflower);
  border-left: 1px solid var(--cornflower);
  border-right: 1px solid var(--cornflower);
}
.portfolio-card-title {
  margin-bottom: 8px;
}
/* #endregion */

/* #region Footer */
.footer {
  padding-top: 96px;
  padding-bottom: 96px;
  background-color: var(--navy-blue);
}

.logo-footer {
  color: var(--cloud);
  padding: 0;
  margin: 0 0 16px;
}

.footer-text {
  color: var(--cloud);
}

.footer-text-left {
  max-width: 288px;
}

@media screen and (max-width: 767px) {
  .footer-wrapper {
    display: grid;
    gap: 72px;
  }
  .logo-footer {
    display: block;
    text-align: center;
  }
  .footer-socials-text {
    text-align: center;
  }
  .footer-form-wrapper p {
    text-align: center;
  }
  .footer-socials {
    margin: 0 auto;
  }
  .footer-form input {
    margin-bottom: 16px;
  }
  .footer-form-submit {
    margin: 0 auto;
  }
}
@media screen and (min-width: 768px) {
  .footer-wrapper {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    row-gap: 72px;
  }
  .footer-text-left {
    max-width: 264px;
    margin-right: 24px;
  }
  .footer-form {
    display: flex;
    align-items: center;
  }
}
@media screen and (min-width: 768px) and (max-width: 1157px) {
  .footer > .container {
    padding: 0 108px;
  }
}

@media screen and (min-width: 1158px) {
  .footer-text-left {
    max-width: 264px;
    margin-right: 120px;
  }
  .footer-form-wrapper {
    margin-left: auto;
  }
  .footer {
    padding-top: 100px;
    padding-bottom: 100px;
  }
}
/* socials footer */
.footer-socials {
  max-width: 208px;
}
.footer-socials-text {
  font-weight: 500;
  color: var(--white);

  margin-bottom: 16px;
}
.footer-social-list {
  gap: 16px;
}
.footer-social-list .socials-link:hover,
.footer-social-list .socials-link:focus {
  background-color: var(--green);
}
.footer-form-wrapper {
  max-width: 288px;
}
.footer-form-wrapper p {
  margin-bottom: 16px;
  font-weight: 500;
  color: var(--white);
}

.footer-form input {
  font-weight: 400;
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;

  border: 1px solid var(--white);
  color: var(--white);
  border-radius: 4px;

  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  background-color: transparent;

  padding: 8px 16px;
  width: 100%;

  outline: none;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
@media screen and (min-width: 768px) {
  .footer-form-wrapper {
    max-width: 453px;
    /* margin-left: auto; */
  }
  .footer-form input {
    width: 264px;
    margin-right: 24px;
  }
}
.footer-form input:focus {
  border-color: var(--green);
}
.footer-form input::placeholder {
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--white);
}
.footer-form .footer-form-submit {
  display: flex;
  align-items: center;
  padding: 8px 24px;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-form-submit:hover,
.footer-form-submit:focus {
  background-color: var(--green);
}
.footer-form svg {
  margin-left: 16px;
}
/* #endregion */

/* #region modal */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: var(--navy-blue-modal);

  z-index: 999;
  opacity: 0;
  pointer-events: none;

  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.modal {
  border-radius: 4px;
  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: var(--dairy);
  position: relative;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 288px;
  padding: 72px 16px 24px;
}

.close-btn {
  position: absolute;
  top: 24px;
  right: 24px;
  background-color: var(--cornflower);
  border: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  width: 24px;
  height: 24px;
  border-radius: 100%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.close-btn:hover,
.close-btn:focus {
  border: none;
  background-color: var(--ocean);
}
.close-svg {
  fill: var(--navy-blue);
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.close-btn:hover .close-svg,
.close-btn:focus .close-svg {
  fill: var(--white);
}
.modal-text {
  font-weight: 500;
  text-align: center;
  color: var(--navy-blue);
  margin-bottom: 16px;
}

.modal-form label {
  font-size: 12px;
  line-height: 117%;
  letter-spacing: 0.04em;
  color: var(--light-slate);
}
.modal-form .modal-input {
  width: 100%;
  height: 40px;
  padding: 8px 38px;
  border: 1px solid var(--navy-blue-modal);
  border-radius: 4px;
  outline: none;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-form .modal-input:focus {
  border-color: var(--iris);
}
.modal-input:focus + .modal-svg {
  fill: var(--iris);
}
.input-wrapper {
  margin-top: 4px;
  margin-bottom: 8px;
  position: relative;
}
.modal-svg {
  position: absolute;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  fill: var(--navy-blue);
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-form textarea {
  height: 120px;
  padding: 12px 16px;
  border: 1px solid var(--navy-blue-modal);
  border-radius: 4px;
  margin-top: 4px;
  margin-bottom: 16px;
  outline: none;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal-form textarea:focus {
  border-color: var(--iris);
}
.modal-form textarea::placeholder {
  font-family: var(--font-family);
  font-weight: 400;
  font-size: 12px;
  line-height: 117%;
  letter-spacing: 0.04em;
  color: var(--navy-blue-modal);
}
.check-label {
  display: flex;
  align-items: center;
  margin-bottom: 24px;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: var(--light-slate);
}
.checkbox-wrapper {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  width: 21px;
  height: 16px;
  border-radius: 2px;
  border: 1px solid var(--navy-blue-modal);
  margin-right: 8px;
  transition:
    background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.policy-link {
  line-height: 1.33;
  text-decoration: underline;
  text-decoration-skip-ink: none;
  color: var(--iris);
}
.checkbox-svg {
  fill: var(--cloud);
  opacity: 0;
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.input-checkbox:checked + .check-label .checkbox-svg {
  opacity: 1;
}
.input-checkbox:checked + .check-label .checkbox-wrapper {
  background-color: var(--ocean);
  border-color: var(--ocean);
}
.modal-submit-btn {
  padding: 16px 65px;
  margin: 0 auto;
}

@media screen and (max-width: 767px) {
}
@media screen and (min-width: 768px) {
  .modal {
    width: 408px;
    padding: 72px 24px 24px;
  }
  .policy-link {
    margin-left: 4px;
  }
  .checkbox-wrapper {
    width: 16px;
  }
}
/* #endregion */

/* mob-menu */
.mob-menu {
  position: fixed;
  top: 0;
  left: 0;
  background-color: var(--white);
  width: 100vw;
  height: 100vh;
  padding-top: 72px;
  padding-bottom: 40px;
  z-index: 999;
  opacity: 0;
  pointer-events: none;

  transform: translateX(100%);
  transition:
    transform 250ms cubic-bezier(0.4, 0, 0.2, 1),
    opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
@media screen and (max-width: 767px) {
  .mob-menu.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translate(0);
    transition:
      transform 250ms cubic-bezier(0.4, 0, 0.2, 1),
      opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }
}

.mob-menu-content {
  display: flex;
  flex-direction: column;
  height: 100%;
}
.nav-mob{
  flex-grow: 1;
}
.nav-list-mob {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  color: var(--navy-blue);
}
.nav-link-mob.active {
  color: var(--ocean);
}
.link-mob {
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.link-mob:hover,
.link-mob:focus {
  color: var(--ocean);
}
.nav-item-mob:not(:last-child) {
  margin-bottom: 40px;
}
.nav-contacts-mob {
  margin-bottom: 48px;
}
.address-list-mob {
  display: grid;
  gap: 24px;
}
.link-contact-mob {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
}
.mob-social-list {
  justify-content: space-between;
  gap: 40px;
}