* {
  --primary-brand: #4d5ae5;
  --pressed-state: #404bbf;
  --dark-color: #2e2f42;
  --success: #31d0aa;
  --text: #434455;
  --subtitle-text: #8e8f99;
  --accent: #e7e9fc;
  --light: #f4f4fd;
  --main-bgc: #ffffff;
  --modal-bgc: #fcfcfc;
}

body {
  font-family: 'Roboto', sans-serif;
  color: var(--text);
  background-color: var(--main-bgc);
}

*::after,
::before {
  display: block;
}

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

a {
  text-decoration: none;
  display: block;
}

ul,
ol {
  padding: 0;
  margin: 0;
}

li {
  list-style-type: none;
}

img {
  display: block;
  max-width: 100%;
  margin: 0 auto;
}

p {
  margin: 0;
}

button {
  display: block;
  padding: 0;
  border: none;
}

fieldset {
  padding: 0;
  margin: 0;
  border: none;
}

.input {
  padding: 0;
}

.section {
  padding: 96px 0;
}

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

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

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

@media (min-width: 1158px) {
  .container {
    width: 1158px;
    padding: 0 15px;
  }
}

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

/* Header section */

.header {
  border-bottom: 1px solid var(--accent);
  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_wraper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: 'Raleway', sans-serif;
  font-weight: 700;
  font-size: 18px;
  line-height: 1.17;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--primary-brand);
}

.burger-button {
  padding: 16px 0;
  background-color: transparent;
}

.accent {
  color: var(--dark-color);
}

header .header_nav {
  display: flex;
  align-items: center;
}

.menu {
  display: none;
}

.header_nav_list_item {
  position: relative;
  color: var(--dark-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  padding: 24px 0;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.first {
  color: var(--pressed-state);
}

.first::after {
  content: '';
  width: 100%;
  position: absolute;
  left: 0;
  bottom: -1px;
  height: 4px;
  background-color: var(--pressed-state);
  border-radius: 2px;
}

.header_nav_list_item:hover,
.header_nav_list_item:focus {
  color: var(--pressed-state);
}

.contacts {
  font-style: normal;
}

.contacts-list {
  display: none;
}

.contacts a:hover,
.contacts a:focus {
  color: var(--pressed-state);
}

.burger-icon {
  fill: var(--dark-color);
  width: 24px;
  height: 24px;
}

@media (min-width: 768px) {
  .header_wraper {
    display: flex;
  }

  .logo {
    margin-right: 120px;
  }

  .menu {
    display: flex;
    gap: 40px;
  }

  .burger-button {
    display: none;
  }

  .contacts-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }

  .contacts-link {
    font-weight: 400;
    font-size: 12px;
    line-height: 117%;
    letter-spacing: 0.04em;
    color: var(--text);
  }
}

@media (min-width: 1158px) {
  .logo {
    margin-right: 76px;
  }

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

  .contacts-link {
    font-size: 16px;
    line-height: 150%;
    letter-spacing: 0.02em;
  }
}

/* hero section */

.hero {
  background-image: linear-gradient(
      to bottom,
      rgba(46, 47, 66, 0.7),
      rgba(46, 47, 66, 0.7)
    ),
    url('../images/hero-image-mobile/hero-image.jpg');
  background-repeat: no-repeat;
  background-size: cover;
  background-position: center;
  max-width: 320px;
  margin: 0 auto;
  padding: 72px 0;
}

@media (min-resolution: 192dpi) {
  .hero {
    background-image: linear-gradient(
        to bottom,
        rgba(46, 47, 66, 0.7),
        rgba(46, 47, 66, 0.7)
      ),
      url('../images/hero-image-mobile/hero-image@2x.jpg');
  }
}

.slogan {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  text-align: center;
  color: var(--main-bgc);
  max-width: 216px;
  margin: 0 auto;
  margin-bottom: 72px;
}

.order-button {
  cursor: pointer;
  border: none;
  display: block;
  margin: 0 auto;
  border-radius: 4px;
  background-color: var(--primary-brand);
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--main-bgc);
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
  padding: 16px 32px;
}

@media (min-width: 768px) {
  .hero {
    padding: 112px 0;
    background-image: linear-gradient(
        to bottom,
        rgba(46, 47, 66, 0.7),
        rgba(46, 47, 66, 0.7)
      ),
      url('../images/hero-image-tablet/hero-image.jpg');
    max-width: 768px;
  }

  @media (min-resolution: 192dpi) {
    .hero {
      background-image: linear-gradient(
          to bottom,
          rgba(46, 47, 66, 0.7),
          rgba(46, 47, 66, 0.7)
        ),
        url('../images/hero-image-tablet/hero-image@2x.jpg');
    }
  }

  .slogan {
    margin-bottom: 36px;
    max-width: 496px;
    font-size: 56px;
    line-height: 1.07;
  }
}

@media (min-width: 1158px) {
  .hero {
    padding: 188px 0;
    background-image: linear-gradient(
        to bottom,
        rgba(46, 47, 66, 0.7),
        rgba(46, 47, 66, 0.7)
      ),
      url('../images/hero-image-desktop/hero-image.jpg');
    max-width: 1440px;
  }

  @media (min-resolution: 192dpi) {
    .hero {
      background-image: linear-gradient(
          to bottom,
          rgba(46, 47, 66, 0.7),
          rgba(46, 47, 66, 0.7)
        ),
        url('../images/hero-image-desktop/hero-image@2x.jpeg');
    }
  }

  .slogan {
    margin-bottom: 48px;
  }
}

.order-button:hover,
.order-button:focus {
  background-color: var(--pressed-state);
}

/* features section */

.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;
}

.features-list {
  display: flex;
  flex-direction: column;
  gap: 72px;
}

.list-title {
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  color: #2e2f42;
  margin-bottom: 8px;
  text-align: center;
}

.list-text {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
}

.features-list .list-text {
  text-align: left;
}

.features-list-image {
  display: none;
}

.features-list .icon {
  fill: var(--dark-color);
}

@media (min-width: 768px) {
  .features-list {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 72px 24px;
  }

  .features-list-item {
    flex-basis: calc((100% - 24px) / 2);
  }

  .features-list .list-title {
    text-align: left;
  }
}

@media (min-width: 1158px) {
  .features-list-image {
    padding: 24px 100px;
    background-color: #f4f4fd;
    border: 1px solid #8e8f99;
    border-radius: 4px;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 8px;
  }

  .features-list {
    display: flex;
    gap: 24px;
    flex-wrap: nowrap;
    justify-content: center;
  }

  .features-list-item {
    flex-basis: calc((100% - 3 * 24px) / 4);
  }

  .list-title {
    font-weight: 500;
    font-size: 20px;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: #2e2f42;
    text-align: center;
  }

  .list-text {
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    text-align: center;
  }
}

/* team-section */

.team {
  background-color: var(--light);
}

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

.card-list {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 72px;
  height: 100%;
  margin-top: 0;
}

.team-card {
  background-color: var(--main-bgc);
  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-image {
  min-width: 264px;
}

.member-info {
  padding: 32px 0;
}

.team .list-title {
  font-weight: 500;
  font-size: 20px;
  line-height: 1.2;
}

.team .list-text {
  margin-bottom: 8px;
  font-weight: 400;
}

.team-icons-list {
  display: flex;
  justify-content: center;
  gap: 24px;
}

.team-icons-item {
  width: 40px;
  height: 40px;
}

.team-icon-link {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100%;
  background-color: var(--primary-brand);
  border-radius: 50%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.team-icon-link:hover,
.team-icon-link:focus {
  background-color: var(--pressed-state);
}

.team .icon {
  fill: var(--light);
}

@media (min-width: 768px) {
  .card-list {
    flex-direction: row;
    gap: 64px 24px;
    flex-wrap: wrap;
  }
}

@media (min-width: 1158px) {
  .team .container {
    padding: 0 15px;
  }

  .team-card {
    flex-basis: calc((100% - 3 * 24px) / 4);
  }
}

/* portfolio section */

.portfolio-card {
  transition: box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 1px 6px 0 rgba(46, 47, 66, 0.08);
}

.portfolio .card-list {
  row-gap: 48px;
}

.portfolio-image-box {
  position: relative;
  overflow: hidden;
}

.portfolio-image {
  min-width: 288px;
}

.portfolio-overlay {
  display: none;
}

.info {
  padding: 32px 16px;
  border: 1px solid var(--accent);
  border-top: none;
  margin: 0 auto;
}

.info .list-title {
  font-weight: 500;
  font-size: 20px;
  line-height: 120%;
  text-align: left;
}

.info .list-text {
  text-align: left;
  font-weight: 400;
}

@media (min-width: 768px) {
  .portfolio .card-list {
    row-gap: 72px;
  }

  .portfolio-image {
    min-width: 356px;
  }

  .portfolio-card {
    flex-basis: calc((100% - 24px) / 2);
  }
}

@media (min-width: 1158px) {
  .portfolio-card {
    flex-basis: calc((100% - 48px) / 3);
  }

  .portfolio-card: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);
  }

  .portfolio-overlay {
    display: block;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.5;
    letter-spacing: 0.02em;
    color: var(--light);
    padding: 40px 32px;
    background-color: var(--primary-brand);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform: translateY(100%);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
  }

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

  .portfolio-image {
    min-width: 360px;
  }
}

/* footer section */

.footer-section {
  background: #2e2f42;
  padding: 96px 0;
}

.footer-container {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 72px;
}

.footer-description {
  align-items: center;
  display: flex;
  flex-direction: column;
}

.footer-text-promo {
  display: block;
  color: var(--light);
  line-height: 1.5;
  letter-spacing: 0.02em;
  max-width: 264px;
  margin: 0;
  align-self: flex-start;
}

.footer-section .logo {
  display: inline-block;
  margin-bottom: 16px;
  margin-right: 0;
}

.footer-accent {
  color: var(--light);
}

.footer-title {
  text-align: center;
  margin-bottom: 16px;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  color: var(--main-bgc);
}

.footer-socials-list {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.socials-items {
  width: 40px;
  height: 40px;
}

.footer-icon-link {
  width: 100%;
  height: 100%;
  background-color: var(--primary-brand);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-section .icon {
  fill: var(--light);
}

.footer-icon-link:hover,
.footer-icon-link:focus {
  background-color: var(--success);
}
.footer-form {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}
.email-input {
  border: 1px solid var(--main-bgc);
  border-radius: 4px;
  width: 288px;
  height: 40px;
  background-color: transparent;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  font-size: 12px;
  line-height: 2;
  letter-spacing: 0.04em;
  color: var(--main-bgc);
  padding-left: 16px;
}

.email-input::placeholder {
  color: var(--main-bgc);
  opacity: 0.6;
}

.footer-button {
  min-width: 165px;
  display: flex;
  align-items: center;
  border-radius: 4px;
  padding: 8px 24px;
  justify-content: center;
  background-color: var(--primary-brand);
  color: var(--main-bgc);
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.footer-button:hover,
.footer-button:focus {
  background-color: var(--pressed-state);
}

.footer-send-icon {
  margin-left: 16px;
  fill: var(--main-bgc);
}

@media (min-width: 768px) {
  .footer-container {
    display: flex;
    flex-direction: row;
    justify-content: start;
    flex-wrap: wrap;
    column-gap: 24px;
    padding-left: 108px;
  }
  .footer-description {
    align-items: start;
  }

  .footer-title {
    text-align: start;
  }

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

  .email-input {
    width: 264px;
  }
}

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

  .footer-container {
    display: flex;
    flex-wrap: nowrap;
    padding-left: 15px;
    gap: 0;
  }

  .footer-description {
    margin-right: 120px;
  }

  .footer-socials {
    margin-right: 80px;
  }
}

/* modal */

.modal-overlay {
  background-color: rgba(46, 47, 66, 0.4);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
}

.is-open {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1),
    visibility 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.modal {
  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(--modal-bgc);
  min-height: 623px;
  width: 288px;
  border-radius: 4px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
  padding: 72px 16px 24px 16px;
}

.button-close {
  position: absolute;
  right: 24px;
  top: 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--accent);
  border: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.button-close:hover,
.button-close:focus {
  background-color: var(--pressed-state);
  border: none;
  fill: var(--main-bgc);
}

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

.modal-title {
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.02em;
  text-align: center;
  color: #2e2f42;
  margin-bottom: 16px;
}

.form-container {
  margin-bottom: 8px;
}

.form-label {
  display: block;
  flex-direction: column;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: var(--subtitle-text);
  margin-bottom: 4px;
}

.input-container {
  position: relative;
}

.form-input {
  width: 100%;
  height: 40px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  border-radius: 4px;
  background-color: transparent;
  padding-left: 38px;
  outline: transparent;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.form-check-label {
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: var(--subtitle-text);
}

.form-input:checked + .form-check-label .privacy-icon {
  border: none;
  background-color: var(--pressed-state);
  fill: var(--light);
}

.form-input:focus {
  border-color: var(--primary-brand);
}

.modal-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.input-container:focus-within .modal-icon {
  fill: var(--primary-brand);
}

.form-container:nth-child(4) {
  margin-bottom: 16px;
}

.form-container:nth-child(5) {
  margin-bottom: 24px;
}

.comment-form {
  width: 100%;
  height: 120px;
  font-size: 12px;
  line-height: 1.17;
  letter-spacing: 0.04em;
  color: rgba(46, 47, 66, 0.4);
  border: 1px solid rgba(46, 47, 66, 0.4);
  background-color: transparent;
  border-radius: 4px;
  padding: 8px 16px;
  outline: transparent;
  resize: none;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.comment-form:focus {
  border-color: var(--primary-brand);
}
.privacy-policy-link {
  color: var(--primary-brand);
  display: inline;
}

.privacy-icon {
  width: 16px;
  height: 16px;
  border: 1px solid rgba(46, 47, 66, 0.4);
  border-radius: 2px;
  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);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  fill: transparent;
  margin-right: 8px;
}

.button-submit {
  border-radius: 4px;
  padding: 16px 32px;
  box-shadow: 0 4px 4px 0 rgba(0, 0, 0, 0.15);
  background: var(--primary-brand);
  min-width: 169px;
  height: 56px;
  font-weight: 500;
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  text-align: center;
  color: var(--main-bgc);
  margin: 0 auto;
  cursor: pointer;
  border: none;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

@media (min-width: 768px) {
  .modal {
    min-height: 584px;
    width: 408px;
    border-radius: 4px;
    padding: 72px 24px 24px 24px;
  }
}

/* burger menu */

.burger {
  background-color: var(--main-bgc);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  overflow: hidden;
}

.is-open {
  opacity: 1;
  pointer-events: auto;
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1),
    visibility 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-container {
  position: relative;
  height: 100%;
  padding-top: 72px;
  padding-bottom: 40px;
  display: flex;
  flex-direction: column;
}

.burger-button-close {
  position: absolute;
  right: 24px;
  top: 24px;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background-color: var(--main-bgc);
  border: 1px solid rgba(0, 0, 0, 0.1);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1),
    border 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.burger-button-close:hover,
.burger-button-close:focus {
  background-color: var(--pressed-state);
  border: none;
  fill: var(--main-bgc);
}

.burger-button-close .icon {
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.burger-nav {
  margin-bottom: auto;
}

.burger-menu {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.burger-menu-list-item {
  color: var(--dark-color);
  text-decoration: none;
  font-weight: 700;
  font-size: 36px;
  line-height: 1.11;
  letter-spacing: 0.02em;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.burger-menu-list-item:hover,
.burger-menu-list-item:focus {
  color: var(--pressed-state);
}

.burger-contacts {
  margin-bottom: 48px;
}

.burger-contacts-link {
  color: var(--text);
  font-size: 20px;
  font-weight: 500;
  line-height: 120%;
  letter-spacing: 0.02em;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.contacts-link:hover,
.contacts-link:focus {
  color: var(--primary-brand);
}

.burger-item:first-child {
  margin-bottom: 24px;
}

.burger-socials-list {
  display: flex;
  flex-direction: row;
  gap: 40px;
}

.burger-icon-link {
  width: 100%;
  height: 100%;
  background-color: var(--primary-brand);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.burger-icon-link:hover,
.burger-icon-link:focus {
  background-color: var(--pressed-state);
}

.burger .icon {
  fill: var(--light);
}

.burger-button-close .icon {
  fill: var(--dark-color);
}

@media (min-width: 768px) {
  .burger {
    display: none;
  }
}