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

/* #region Basic */
body {
  margin: 0;
  padding: 0;
  font-family: 'Roboto', sans-serif;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: #434455;
  background-color: #fff;
}

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

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

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

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

/* #region Common */
/* ДОПОЛНИТЕЛЬНЫЙ КЛАСС
 ДЛЯ ТОГО ЧТОБЫ ПРАВИЛЬНО
  СКРЫВАТЬ ЭЛЕМЕНТЫ */
.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;
}

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

.section {
  padding: 120px 0;
}

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

.list {
  --items: 4;
  --indent-x: 24px;
  --indent-y: 24px;
  display: flex;
  flex-wrap: wrap;
  column-gap: var(--indent-x);
  row-gap: var(--indent-y);
}
.list-item {
  width: calc((100% - (var(--indent-x) * (var(--items) - 1))) / var(--items));
}
.card-content-wrapper {
  padding: 32px 16px;
}
/* #endregion */

/* #region Logo*/
.logo {
  display: inline-block;
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.17;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: #4d5ae5;
}
.page-header .logo-part {
  color: #2e2f42;
}
/* #endregion */

/* #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;
  justify-content: space-between;
  align-items: center;
}
.header-nav {
  display: flex;
  align-items: center;
}
.page-header .logo {
  margin-right: 76px;
  padding: 24px 0;
}
.menu {
  display: flex;
  align-items: center;
  gap: 40px;
}
.menu-link {
  display: inline-block;
  padding: 24px 0;
  font-weight: 500;
  color: #2e2f42;
  transition: var(--transition-effect);
  transition-property: color;
}
.menu-link.current,
.menu-link:hover,
.menu-link:focus,
.contacts-list-link:hover,
.contacts-list-link:focus {
  color: #404bbf;
}
.menu-link.current {
  position: relative;
}

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

.contacts {
  font-style: normal;
}
.contacts-list {
  display: flex;
  gap: 40px;
}
.contacts-list-link {
  padding: 24px 0;
  transition: var(--transition-effect);
  transition-property: color;
}
/* #endregion */

/* #region Hero section*/
.hero {
  max-width: 1440px;
  margin: 0 auto;
  padding: 188px 0;
  background-color: #2e2f42;
  background-image:
    linear-gradient(rgba(46, 47, 66, 0.7), rgba(46, 47, 66, 0.7)), url('../images/hero/people-office.jpg');
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.hero-title {
  max-width: 496px;
  margin: 0 auto 48px;
  font-weight: 700;
  font-size: 56px;
  line-height: 1.07;
  letter-spacing: 0.02em;
  text-align: center;
  color: #fff;
}

.btn {
  display: block;
  min-width: 169px;
  margin: 0 auto;
  padding: 16px 32px;
  border: none;
  border-radius: 4px;
  color: #fff;
  background-color: #4d5ae5;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  cursor: pointer;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  transition: var(--transition-effect);
  transition-property: background-color;
}

.btn:hover,
.btn:focus {
  background-color: #404bbf;
}
/* #endregion */

/* #region Features section*/
.features-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: #f4f4fd;
}
.features-icon {
  width: 64px;
  height: 64px;
}
.features-item-title {
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
}
/* #endregion */

/* #region Team section */
.team {
  background-color: #f4f4fd;
}
.team-card {
  text-align: center;
  border-radius: 0 0 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);
  background-color: #ffffff;
}
.team .card-content-wrapper {
  padding: 32px 0;
}
.team-card-name,
.portfolio-card-title {
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: #2e2f42;
}
.team-card-position {
  margin-bottom: 8px;
}
.social-media-list {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  width: 100%;
}
.social-media-item {
  width: 40px;
  height: 40px;
}
.social-media-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background-color: #4d5ae5;
  transition: var(--transition-effect);
  transition-property: background-color;
}
.social-media-link:hover,
.social-media-link:focus {
  background-color: #404bbf;
}
.social-media-icon {
  width: 16px;
  height: 16px;
  fill: #f4f4fd;
}
/* #endregion */

/* #region Portfolio */

.portfolio .list {
  --items: 3;
  --indent-y: 48px;
}
.portfolio-card {
  cursor: pointer;
  transition: var(--transition-effect);
  transition-property: box-shadow;
}
.portfolio-card:hover {
  box-shadow:
    0px 1px 6px rgba(46, 47, 66, 0.08),
    0px 1px 1px rgba(46, 47, 66, 0.16),
    0px 2px 1px rgba(46, 47, 66, 0.08);
}
.portfolio-card-img-wrapper {
  position: relative;
  overflow: hidden;
}
.portfolio-card-overlay-text {
  width: 100%;
  height: 100%;
  padding: 40px 32px;
  position: absolute;
  top: 0;
  color: #f4f4fd;
  background-color: #4d5ae5;
  transform: translateY(100%);
  transition: var(--transition-effect);
  transition-property: transform;
}
.portfolio-card:hover .portfolio-card-overlay-text {
  transform: translateY(0%);
}
.portfolio-card .card-content-wrapper {
  border-bottom: 1px solid #e7e9fc;
  border-left: 1px solid #e7e9fc;
  border-right: 1px solid #e7e9fc;
}
/* #endregion */

/* #region Footer */
.page-footer {
  padding: 100px 0;
  background-color: #2e2f42;
}
.page-footer .container {
  display: flex;
  align-items: baseline;
}
.page-footer .logo {
  margin-bottom: 16px;
}
.page-footer .logo-part,
.footer-text {
  color: #f4f4fd;
}
.footer-text {
  width: 264px;
}
.footer-text-wrapper {
  margin-right: 120px;
}
.page-footer .social-media-list {
  gap: 16px;
}
.footer-social-title,
.footer-subscribe-title {
  margin-bottom: 16px;
  font-weight: 500;
  color: #fff;
}
.page-footer .social-media-link:hover,
.page-footer .social-media-link:focus {
  background-color: #31d0aa;
}

.subscribe-wrapper {
  margin-left: auto;
}
.subscribe-form {
  display: flex;
  gap: 24px;
}
.subscribe-input {
  width: 264px;
  height: 40px;
  padding: 8px 16px;
  border: 1px solid #fff;
  border-radius: 4px;
  background-color: transparent;
  color: #fff;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  outline: transparent;
  transition: var(--transition-effect);
  transition-property: border;
}
.subscribe-input:-webkit-autofill,
.subscribe-input:-webkit-autofill:hover,
.subscribe-input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #2e2f42 inset !important;
  -webkit-text-fill-color: #fff !important;
}
.subscribe-input::placeholder {
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: #fff;
}
.subscribe-input:hover,
.subscribe-input:focus {
  border: 1px solid #31d0aa;
}

.subscribe-input:not(:placeholder-shown):invalid,
.subscribe-comment:not(:placeholder-shown):invalid {
  border: 1px solid #ed1568;
}
.subscribe-input:not(:placeholder-shown):valid,
.subscribe-comment:not(:placeholder-shown):valid {
  border: 1px solid #31d0aa;
}

.subscribe-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 8px 24px;
  min-width: 165px;
  height: 40px;
  border-radius: 4px;
  border: none;
  color: #fff;
  background-color: #4d5ae5;
  outline: transparent;
  cursor: pointer;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-align: center;
  transition: var(--transition-effect);
  transition-property: background-color;
}
.subscribe-btn:hover {
  background-color: #31d0aa;
}
.subscribe-icon {
  width: 24px;
  height: 24px;
  margin-left: 16px;
  fill: #fff;
}
/* #endregion */

/* #region Backdrop */
.backdrop {
  position: fixed;
  inset: 0;
  background: rgba(46, 47, 66, 0.4);
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: var(--transition-effect);
  transition-property: opacity, visibility;
}
.backdrop.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: initial;
}

.modal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0);
  padding: 72px 24px 24px;
  margin-bottom: 16px;
  width: 408px;
  min-height: 584px;
  max-height: 95vh;
  overflow-y: auto;
  border-radius: 4px;
  background-color: #fcfcfc;
  transition: var(--transition-effect);
  transition-property: transform;
  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);
}
.backdrop.is-open .modal {
  transform: translate(-50%, -50%) scale(1);
}

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

.form-title {
  margin-bottom: 16px;
  font-weight: 500;
  text-align: center;
  color: #2e2f42;
}
.form-item {
  margin-bottom: 8px;
}
.form-item-textarea {
  margin-bottom: 16px;
}

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

.form-input {
  width: 100%;
  height: 40px;
  padding: 8px 16px 8px 38px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  border-radius: 4px;
  background-color: transparent;
  color: #2e2f42;
  outline: transparent;
  transition: var(--transition-effect);
  transition-property: border-color;
}
.form-input:-webkit-autofill,
.form-input:-webkit-autofill:hover,
.form-input:-webkit-autofill:focus {
  -webkit-box-shadow: 0 0 0 1000px #fcfcfc inset !important;
  -webkit-text-fill-color: #2e2f42 !important;
}

.form-input:hover,
.form-input:focus,
.form-comment:hover,
.form-comment:focus {
  border-color: #4d5ae5;
}
.form-input:hover + .form-input-icon,
.form-input:focus + .form-input-icon {
  fill: #4d5ae5;
}
.form-input:not(:placeholder-shown):invalid,
.form-comment:not(:placeholder-shown):invalid {
  border: 1px solid #ed1568;
  /* background-color: #fff; */
}
.form-input:not(:placeholder-shown):invalid + .form-input-icon,
.form-comment:not(:placeholder-shown):invalid + .form-input-icon {
  fill: #ed1568;
}

.form-input:not(:placeholder-shown):valid,
.form-comment:not(:placeholder-shown):valid {
  border: 1px solid #31d0aa;
}
.form-input:not(:placeholder-shown):valid + .form-input-icon,
.form-comment:not(:placeholder-shown):valid + .form-input-icon {
  fill: #31d0aa;
}

.form-input-icon {
  position: absolute;
  top: 50%;
  left: 16px;
  width: 18px;
  height: 24px;
  transform: translateY(-50%);
  transition: var(--transition-effect);
  transition-property: fill;
}
.form-comment {
  display: block;
  width: 100%;
  height: 120px;
  padding: 8px 16px;
  border-radius: 4px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  resize: none;
  outline: transparent;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: #2e2f4266;
  background-color: transparent;
  transition: var(--transition-effect);
  transition-property: border-color;
}
.form-comment::placeholder {
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: rgba(46, 47, 66, 0.4);
}
.checkbox-wrapper {
  margin-bottom: 24px;
}
.form-label.checkbox-label {
  margin-bottom: 0;
}
.form-custom-checkbox {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  margin-right: 8px;
  border-radius: 2px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  fill: transparent;
  transition: var(--transition-effect);
  transition-property: background-color, border, fill;
}
.checkbox-input:checked + .checkbox-label > .form-custom-checkbox {
  background-color: #404bbf;
  border: none;
  fill: #f4f4fd;
}
.policy-link {
  color: #4d5ae5;
  text-decoration: underline;
}
/* #endregion */