.hidden {
  display: none;
}

body {
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  color: #434455;
  background-color: #fff;
}

/*#region Reset*/

ul,
ol {
  padding: 0;
  margin: 0;
  list-style-type: none;
}

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

a {
  text-decoration: none;
  color: currentColor;
}

button {
  padding: 0;
  cursor: pointer;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}
/*#endregion Reset*/

/*#region Utils*/

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

/*#endregion Utils*/

/*#region Common*/

.section {
  padding: 96px 0;
}

.container {
  max-width: 320px;
  margin: 0 auto;
  padding: 0 16px;
}

.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;
}

.main-btn {
  display: block;
  padding: 16px 32px;
  min-width: 169px;
  border: none;
  border-radius: 4px;

  font-family: inherit;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: #fff;
  background-color: #4d5ae5;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);

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

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

.section-title {
  margin-bottom: 72px;

  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-align: center;
  text-transform: capitalize;
  color: #2e2f42;
}

.card-subtitle {
  margin-bottom: 8px;

  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
}

.card-text {
  line-height: 1.5;
  letter-spacing: 0.02em;
}

.social-list {
  display: flex;
  align-items: center;
  gap: 24px;
}

.social-item {
  width: 40px;
  height: 40px;
}
.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;

  background-color: #4d5ae5;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

.social-icon {
  fill: #f4f4fd;
}

@media screen and (min-width: 768px) {
  .container {
    max-width: 768px;
  }
}

@media screen and (min-width: 1158px) {
  .section {
    padding: 120px 0;
  }

  .container {
    max-width: 1158px;
    padding: 0 15px;
  }
}

/*#endregion Common*/

/*#region Header*/

.page-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);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  display: block;
  padding: 16px 0;
}

.header-logo .logo-part {
  color: #2e2f42;
}

@media screen and (max-width: 767px) {
  .nav-list,
  .contacts {
    display: none;
  }

  .burger-btn {
    background-color: transparent;
    border: none;
  }

  .burger-icon {
    display: block;
    fill: #2f2f37;
  }
}

@media screen and (min-width: 768px) {
  .header-logo {
    padding: 24px 0;
  }

  .nav-link {
    display: block;
    padding: 24px 0;

    font-weight: 500;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: #2e2f42;
    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-link.current {
    position: relative;
  }

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

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

  .header-nav {
    gap: 120px;
  }

  .nav-list {
    gap: 40px;
  }

  .contacts {
    font-style: normal;
  }

  .contacts-list {
    gap: 12px;
    flex-direction: column;
  }

  .contacts-link {
    display: block;
    font-size: 12px;
    line-height: 1.17;
    letter-spacing: 0.04em;

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

  .nav-link:hover,
  .nav-link:focus,
  .nav-link.current,
  .contacts-link:hover,
  .contacts-link:focus {
    color: #404bbf;
  }

  .burger-btn {
    display: none;
  }
}

@media screen and (min-width: 1158px) {
  .header-nav {
    gap: 76px;
  }

  .contacts-list {
    gap: 40px;
    flex-direction: row;
  }

  .contacts-link {
    padding: 24px 0;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
  }
}
/*#endregion Header*/

/*#region Hero*/

.section-hero {
  padding: 72px 0;

  background-image: linear-gradient(
      rgba(46, 47, 66, 0.7),
      rgba(46, 47, 66, 0.7)
    ),
    url(../images/hero-desktop.jpg);
  background-color: #2e2f42;
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center;
}

/* Тут я зробив через кому альтернативні варіанти
 медіа правил які можуть використовувати студенти */
@media screen and (min-device-pixel-ratio: 2),
  screen and (min-resolution: 192dpi),
  screen and (min-resolution: 2dppx),
  screen and (min-resolution: 2x) {
  .section-hero {
    background-image: linear-gradient(
        rgba(46, 47, 66, 0.7),
        rgba(46, 47, 66, 0.7)
      ),
      url(../images/hero-desktop@2x.jpg);
  }
}

.hero-title {
  max-width: 216px;
  margin: 0 auto 72px;

  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-align: center;
  color: #fff;
}

.hero-btn {
  margin: 0 auto;
}

@media screen and (min-width: 768px) {
  .section-hero {
    padding: 112px 0;
  }

  .hero-title {
    max-width: 496px;
    margin-bottom: 36px;

    font-size: 56px;
    line-height: 1.07;
    letter-spacing: 0.02em;
    text-align: center;
    color: #fff;
  }
}

@media screen and (min-width: 1158px) {
  .section-hero {
    max-width: 1440px;
    padding: 188px 0;
    margin: 0 auto;
  }

  .hero-title {
    margin-bottom: 48px;
  }
}
/*#endregion Hero*/

/*#region Benefits*/
.benefits-list {
  display: flex;
  flex-wrap: wrap;
  gap: 72px 24px;
}

.benefits-item {
  width: 100%;
}

.benefits-subtitle {
  text-align: center;
}

@media screen and (min-width: 768px) {
  .benefits-item {
    width: calc((100% - 24px) / 2);
  }

  .benefits-subtitle {
    text-align: left;
  }
}

@media screen and (max-width: 1157px) {
  .benefits-icon-wrapper {
    display: none;
  }

  .benefits-subtitle {
    font-weight: 700;
    font-size: 36px;
    line-height: 1.11;
  }

  .benefits-text {
    font-weight: 500;
  }
}

@media screen and (min-width: 1158px) {
  .benefits-item {
    width: calc((100% - 72px) / 4);
  }
  .benefits-icon-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 112px;
    margin-bottom: 8px;
    border: 1px solid #8e8f99;
    border-radius: 4px;
    background-color: #f4f4fd;
  }
}

/*#endregion Benefits*/

/*#region Team*/

.section-team {
  background-color: #f4f4fd;
}

.team-container {
  padding: 0 28px;
}

.team-list {
  display: flex;
  flex-wrap: wrap;
  gap: 72px;
}

.team-item {
  width: 100%;
  border-radius: 0 0 4px 4px;
  background-color: #fff;
  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-content {
  padding: 32px 16px;
}

.team-subtitle,
.team-text {
  margin-bottom: 8px;
  text-align: center;
}

.team-social-list {
  justify-content: center;
}

@media screen and (min-width: 768px) {
  .team-container {
    padding: 0 108px;
  }

  .team-list {
    display: flex;
    flex-wrap: wrap;
    gap: 64px 24px;
  }

  .team-item {
    width: calc((100% - 24px) / 2);
  }
}

@media screen and (min-width: 1158px) {
  .team-container {
    padding: 0 15px;
  }
  .team-item {
    width: calc((100% - 72px) / 4);
  }
}
/*#endregion Team*/

/*#region Portfolio*/

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

.portfolio-item {
  width: 100%;
}

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

.portfolio-overlay {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  padding: 40px 32px;
  background-color: #4d5ae5;

  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;

  transform: translateY(100%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.portfolio-item:hover .portfolio-overlay {
  transform: translateY(0);
}

.portfolio-content {
  padding: 32px 16px;
  border: 1px solid #e7e9fc;
  border-top: none;
}

@media screen and (min-width: 768px) {
  .portfolio-list {
    display: flex;
    flex-wrap: wrap;
    gap: 72px 24px;
  }

  .portfolio-item {
    width: calc((100% - 24px) / 2);
  }
}

@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: 1158px) {
  .portfolio-list {
    gap: 48px 24px;
  }

  .portfolio-item {
    width: calc((100% - 48px) / 3);
    box-shadow: none;
    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);
  }
}

/*#endregion Portfolio*/

/*#region Footer*/
.page-footer {
  padding: 96px 0;
  background-color: #2e2f42;
}

.footer-container {
  display: flex;
  flex-wrap: wrap;
  gap: 72px 24px;
}

.footer-logo {
  display: block;
  margin-bottom: 16px;
}

.footer-logo .logo-part {
  color: #f4f4fd;
}

.footer-text {
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #f4f4fd;
}

.footer-title {
  margin-bottom: 16px;

  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #fff;
}

.footer-social-list {
  gap: 16px;
}

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

.footer-subscribe-form {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-subscribe-input {
  width: 288px;
  height: 40px;
  padding: 0 16px;
  border: 1px solid #ffffff;
  border-radius: 4px;
  background-color: transparent;

  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: #fff;

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

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

.footer-subscribe-input::placeholder {
  color: #fff;
}

.footer-subscribe-input:focus {
  border-color: #31d0aa;
}

.footer-subscribe-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 165px;
  gap: 16px;
  padding: 8px 24px;
}

.footer-subscribe-icon {
  fill: #fff;
}

@media screen and (max-width: 767px) {
  .footer-logo,
  .footer-title {
    text-align: center;
  }

  .footer-subscribe-form,
  .footer-container {
    justify-content: center;
  }
}

@media screen and (min-width: 768px) {
  .footer-container {
    padding: 0 108px;
    align-items: baseline;
  }

  .footer-logo-wrapper {
    max-width: 264px;
  }

  .footer-subscribe-form {
    align-items: center;
    gap: 24px;
  }
  .footer-subscribe-input {
    width: 264px;
  }
}

@media screen and (min-width: 1158px) {
  .page-footer {
    padding: 100px 0;
  }

  .footer-container {
    padding: 0 15px;
    gap: 0;
  }

  .footer-logo-wrapper {
    margin-right: 120px;
  }

  .footer-subscribe-wrapper {
    margin-left: auto;
  }
}

/*#endregion Footer*/

/*#region Modal*/

.backdrop {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;

  background-color: rgba(46, 47, 66, 0.4);

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

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

.backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.modal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 288px;
  min-height: 584px;
  padding: 72px 16px 24px;
  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-color: #fcfcfc;

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

.backdrop:not(.is-open) .modal {
  transform: translate(-50%, -100%);
}

.modal-close-btn {
  position: absolute;
  top: 24px;
  right: 24px;

  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 1px solid rgba(0, 0, 0, 0.1);

  background-color: #e7e9fc;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close-icon {
  fill: #2e2f42;
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close-btn:hover,
.modal-close-btn:focus {
  background-color: #404bbf;
  border: none;
}

.modal-close-btn:hover .modal-close-icon,
.modal-close-btn:focus .modal-close-icon {
  fill: #ffffff;
}

.modal-title {
  margin-bottom: 16px;

  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
  color: #2e2f42;
}

.modal-field {
  margin-bottom: 8px;
}

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

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

.modal-input {
  width: 100%;
  height: 40px;
  padding-left: 38px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  border-radius: 4px;

  background-color: transparent;
  outline: transparent;

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

.modal-input:focus,
.modal-comment:focus {
  border-color: #4d5ae5;
}

.modal-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);

  fill: #2e2f42;
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-input:focus + .modal-icon {
  fill: #4d5ae5;
}

.modal-field-comment {
  margin-bottom: 16px;
}

.modal-comment {
  width: 100%;
  height: 120px;
  padding: 8px 16px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  border-radius: 4px;

  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: rgba(46, 47, 66, 0.4);
  background-color: transparent;
  outline: transparent;
  resize: none;

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

.modal-comment::placeholder {
  color: rgba(46, 47, 66, 0.4);
}

.modal-privacy-field {
  margin-bottom: 24px;
}

.modal-privacy-label {
  display: flex;
  align-items: center;
  gap: 8px;

  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: #8e8f99;
}

.custom-checkbox {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 2px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  fill: transparent;

  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);
}

.modal-privacy-link {
  line-height: 1.33;
  text-decoration: underline;
  color: #4d5ae5;
}

.modal-checkbox:checked + .modal-privacy-label .custom-checkbox {
  border: none;
  background-color: #404bbf;
  fill: #f4f4fd;
}

.modal-checkbox:focus-visible + .modal-privacy-label .custom-checkbox {
  outline: 1px solid #404bbf;
}

.modal-submit-btn {
  margin: 0 auto;
}

@media screen and (min-width: 768px) {
  .modal {
    width: 408px;
    padding-left: 24px;
    padding-right: 24px;
  }
}
/*#endregion Modal*/

/*#region Modal*/

.mobile-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #fff;

  opacity: 0;
  visibility: hidden;
  pointer-events: none;

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

.mobile-menu.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.mobile-menu-container {
  position: relative;
  padding-top: 72px;
  padding-bottom: 40px;

  display: flex;
  flex-direction: column;
  height: 100%;
}

.mobile-menu-nav {
  margin-bottom: auto;
}

.mobile-menu-contacts {
  font-style: normal;
  margin-bottom: 48px;
}

.mobile-menu-nav-list,
.mobile-menu-contacts-list {
  display: flex;
  flex-direction: column;
}

.mobile-menu-nav-list {
  gap: 40px;
}

.mobile-menu-contacts-list {
  gap: 24px;
}

.mobile-menu-nav-link {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  color: #2e2f42;
}

.mobile-menu-nav-link.current {
  color: #404bbf;
}

.mobile-menu-contacts-link {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #434455;
}

.mobile-menu-contacts-link.accent {
  color: #4d5ae5;
}

.mobile-menu-social-list {
  gap: 40px;
}

@media screen and (min-width: 768px) {
  .mobile-menu {
    display: none;
  }
}

/*#endregion Modal*/