* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

a {
  text-decoration: none;
}

ul {
  list-style: none;
}

html, body {
  overflow-x: hidden;
}

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

body {
  font-family: "Roboto", sans-serif;
  color: #212121;
  background: #ffffff;
  line-height: 1.5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px;
}

.header {
  padding: 24px 0;
  border-bottom: 1px solid #ffffff;
}
.header__container {
  align-items: center;
}
.header__logo {
  font-family: "Raleway", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: #2196f3;
  text-decoration: none;
}
.header__logo-accent {
  color: #212121;
}

.nav {
  display: none;
}
.nav__list {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 30px;
}
.nav__link {
  position: relative;
  font-weight: 500;
  color: #212121;
  transition: color 250ms 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 3px;
  background-color: #2196f3;
  transition: width 250ms 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.nav__link:hover, .nav__link--active {
  color: #2196f3;
}
.nav__link:hover::after, .nav__link--active::after {
  width: 100%;
}

.contacts__item {
  display: flex;
  align-items: center;
  gap: 10px;
}
.contacts__link {
  font-size: 14px;
  color: #757575;
  transition: color 250ms 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.contacts__icon {
  width: 20px;
  height: 20px;
  fill: #757575;
  transition: fill 250ms 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.contacts__item:hover .contacts__link {
  color: #2196f3;
}
.contacts__item:hover .contacts__icon {
  fill: #2196f3;
}

.hero {
  background-image: linear-gradient(to right, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.2)), url("../img/Img.svg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 120px 0;
  text-align: center;
  color: #ffffff;
}
.hero__container {
  align-items: center;
}
.hero__title {
  max-width: 650px;
  margin-bottom: 30px;
  font-weight: 900;
  font-size: 44px;
  line-height: 1.4;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.hero__button {
  padding: 14px 32px;
  font-size: 16px;
  font-weight: 700;
  background-color: #2196f3;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color transform box-shadow;
}
.hero__button:hover, .hero__button:focus-visible {
  background-color: rgb(13, 138, 238);
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}
.hero__button:hover, .hero__button:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
  background-color: rgb(12.8461538462, 138.0961538462, 237.6538461538);
}

.features {
  background: #ffffff;
}
.features__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
}
.features__list--item {
  position: relative;
  padding-top: 140px;
  text-align: center;
  flex: 1 1 100%;
}
.features__list--item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 270px;
  height: 120px;
  background-repeat: no-repeat;
  background-size: contain;
}
.features__list--item:nth-child(1)::before {
  background-image: url("../../img/group-1.jpg");
}
.features__list--item:nth-child(2)::before {
  background-image: url("../../img/group-2.jpg");
}
.features__list--item:nth-child(3)::before {
  background-image: url("../../img/group-3.jpg");
}
.features__list--item:nth-child(4)::before {
  background-image: url("../../img/group-4.png");
}
.features__list--item h3 {
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.features__list--item p {
  font-size: 14px;
  color: #757575;
}

.work {
  background: #f5f4fa;
}
.work__list {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
}
.work__list--item {
  position: relative;
  overflow: hidden;
  border-radius: 12px;
  flex: 1 1 100%;
}
.work__list--item img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  transition: transform 250ms 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.work__list--item:hover img {
  transform: scale(1.05);
}
.work__list--item .work__text {
  position: absolute;
  bottom: 0;
  width: 100%;
  background: rgba(47, 48, 58, 0.8);
  color: #ffffff;
  text-transform: uppercase;
  text-align: center;
  padding: 14px;
  font-weight: 700;
  z-index: 1;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.form__group__label {
  font-size: 8px;
  color: #757575;
}
.form__input-wrapper {
  position: relative;
}
.form__input-wrapper .form__icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  opacity: 0.5;
  pointer-events: none;
  transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.form__input-wrapper .form__input,
.form__input-wrapper .form__textarea {
  width: 100%;
  padding: 12px 12px 12px 40px;
  border: 1px solid #757575;
  border-radius: 6px;
  font-size: 14px;
  outline: none;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.form__input-wrapper .form__textarea {
  height: 80px;
  resize: none;
}
.form__input-wrapper:focus-within .form__icon {
  opacity: 1;
}
.form__input-wrapper:focus-within .form__input,
.form__input-wrapper:focus-within .form__textarea {
  border-color: #2196f3;
}
.form__checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: #757575;
  cursor: pointer;
}
.form__checkbox a {
  color: #2196f3;
}
.form__checkbox a:hover {
  text-decoration: underline;
}
.form__checkbox-input {
  -webkit-appearance: none;
     -moz-appearance: none;
          appearance: none;
  width: 16px;
  height: 16px;
  border: 1px solid #757575;
  border-radius: 2px;
  cursor: pointer;
  position: relative;
  transition: background 250ms cubic-bezier(0.4, 0, 0.2, 1), border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.form__checkbox-input:checked {
  background: #2196f3;
  border-color: #2196f3;
}
.form__checkbox-input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 9px;
  border: solid #ffffff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.form__submit-btn {
  background: #2196f3;
  color: #ffffff;
  padding: 12px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 6px;
  border: none;
  font-size: 16px;
  cursor: pointer;
  margin-top: 20px;
  transition: background 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.form__submit-btn:hover {
  background: #2196f3;
}

.team {
  background: #ffffff;
}
.team__container {
  display: block;
}
.team__list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 0;
}
.team__item {
  padding: 16px;
}
.team__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.15);
}
.team__item img {
  width: 100%;
  height: 260px;
  -o-object-fit: cover;
     object-fit: cover;
  border-radius: 6px;
}
.team__item--name {
  margin-top: 15px;
  font-weight: 500;
}
.team__item--role {
  font-size: 14px;
  color: #757575;
}

.social__icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}
.social__icon {
  width: 40px;
  height: 40px;
  fill: #757575;
  transition: fill 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.social__icons a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  justify-content: center;
  align-items: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  transition: background 250ms cubic-bezier(0.4, 0, 0.2, 1), transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.social__icons a:hover {
  background: #2196f3;
  transform: scale(1.1);
}
.social__icons a:hover .social__icon {
  fill: #ffffff;
}

.clients {
  background: #f5f4fa;
}
.clients__list {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 30px;
}
.clients img {
  width: 120px;
  opacity: 0.6;
  filter: grayscale(100%);
  transition: opacity 250ms 250ms cubic-bezier(0.4, 0, 0.2, 1), filter 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.clients img:hover {
  opacity: 1;
  filter: grayscale(0);
}

.footer {
  background-color: #2e2f42;
  padding: 60px 0;
  color: #ffffff;
}
.footer__container {
  display: flex;
  gap: 70px;
  flex-wrap: wrap;
}
.footer__info {
  max-width: 300px;
}
.footer__logo {
  font-family: "Raleway", sans-serif;
  font-size: 26px;
  font-weight: 700;
  color: #2196f3;
  text-decoration: none;
}
.footer__logo-accent {
  color: #ffffff;
}
.footer__address {
  margin-top: 20px;
  font-style: normal;
  line-height: 1.6;
}
.footer__contacts {
  margin-top: 10px;
}
.footer__contacts-item {
  margin-top: 6px;
}
.footer__contact-link {
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.footer__contact-link:hover {
  color: #ffffff;
}
.footer__social {
  min-width: 200px;
}
.footer__title {
  font-size: 14px;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.footer__social-list {
  display: flex;
  gap: 12px;
}
.footer__social-item {
  width: 44px;
  height: 44px;
}
.footer__social-link {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.footer__social-link:hover {
  background-color: #2196f3;
}
.footer__subscribe {
  min-width: 350px;
}
.footer__form {
  display: flex;
  gap: 12px;
}
.footer__input {
  width: 250px;
  padding: 12px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: 4px;
  color: #ffffff;
}
.footer__input::-moz-placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.footer__input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}
.footer__input:focus {
  outline: none;
  border-color: #2196f3;
}
.footer__button {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 24px;
  background-color: #2196f3;
  color: #ffffff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.footer__button:hover {
  background-color: rgb(12.8461538462, 138.0961538462, 237.6538461538);
}
.footer__button-icon {
  width: 20px;
  height: 20px;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  justify-content: center;
  align-items: center;
  z-index: 999;
}
.modal:target {
  display: flex;
}
.modal__dialog {
  background: #ffffff;
  width: 90%;
  max-width: 430px;
  border-radius: 10px;
  padding: 40px;
  position: relative;
}
.modal__close {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: 1px solid #757575;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #757575;
  font-size: 20px;
  transition: border-color 250ms cubic-bezier(0.4, 0, 0.2, 1), color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.modal__close:hover {
  border-color: #2196f3;
  color: #2196f3;
}

.filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  margin-bottom: 30px;
  padding: 0;
  list-style: none;
}
.filters button {
  padding: 10px 20px;
  font-size: 16px;
  cursor: pointer;
  border-radius: 4px;
  border: 1px solid #757575;
  background-color: #ffffff;
  transition: background-color 250ms cubic-bezier(0.4, 0, 0.2, 1), color 250ms cubic-bezier(0.4, 0, 0.2, 1), border-color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.filters button.active, .filters button:hover {
  background-color: #2196f3;
  color: #ffffff;
  border-color: #2196f3;
}

.grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 30px;
  padding: 0;
  margin: 0 auto;
  list-style: none;
}
.grid > .card {
  flex: 1 1 100%;
}

.card {
  width: 100%;
  max-width: 370px;
  background-color: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}
.card .img__wrapper {
  position: relative;
  width: 100%;
  height: 294px;
  overflow: hidden;
}
.card img {
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  display: block;
}
.card .overlay__text {
  position: absolute;
  inset: 0;
  background: rgba(33, 150, 243, 0.9);
  color: #ffffff;
  padding: 20px;
  font-size: 16px;
  line-height: 1.5;
  transform: translateY(100%);
  opacity: 0;
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}
.card:hover .overlay__text {
  transform: translateY(0);
  opacity: 1;
}
.card .info {
  padding: 15px;
  height: 110px;
  box-sizing: border-box;
}
.card .info h3 {
  font-size: 20px;
  margin: 10px 0 5px;
}
.card .info p {
  font-size: 16px;
  color: #757575;
  margin: 0;
}

@media (min-width: 480px) {
  .features__list--item,
  .work__list--item,
  .grid > .card {
    flex: 1 1 calc(50% - 30px);
  }
  .header .menu-toggle.js-open-menu {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .header .nav {
    display: none;
  }
  .header .menu-toggle.js-open-menu {
    display: flex;
  }
}
@media (min-width: 768px) {
  .work__list--item,
  .grid > .card {
    flex: 1 1 calc(33.333% - 30px);
  }
  .team__item {
    flex: 1 1 calc(50% - 30px);
  }
  .nav {
    display: block;
  }
  .header .menu-toggle.js-open-menu {
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .header .nav {
    display: block;
  }
  .header .menu-toggle.js-open-menu {
    display: none;
  }
}
@media (min-width: 1200px) {
  .features__list--item,
  .team__item {
    flex: 1 1 calc(25% - 30px);
  }
  .grid > .card {
    flex: 0 0 370px;
  }
}
.header__container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero__container {
  display: flex;
  flex-direction: column;
}

.features, .work, .team, .clients {
  padding: 94px 0;
}

.team__item {
  background: #ffffff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
  transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.team__item:hover {
  transform: translateY(-5px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

.section__title {
  text-align: center;
  font-size: 36px;
  margin-bottom: 50px;
}

.menu {
  display: flex;
  padding: 0;
  margin: 0;
  list-style: none;
}

.menu .link {
  padding: 10px;
  color: inherit;
  text-decoration: none;
}

.menu .link:hover,
.menu .link:focus {
  text-decoration: underline;
}

.menu-toggle {
  min-height: 40px;
  min-width: 40px;
  display: none;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  background-color: transparent;
  cursor: pointer;
  border: none;
  border-radius: 50%;
  outline: none;
}

.menu-toggle:hover,
.menu-toggle:focus {
  background-color: rgba(0, 0, 0, 0.1);
}

.menu-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  padding: 32px;
  background-color: #2196f3;
  z-index: 999;
  transform: translateX(100%);
  transition: transform 250ms ease-in-out;
}

.menu-container.is-open {
  transform: translateX(0);
}

.menu-container .menu-toggle {
  position: absolute;
  top: 16px;
  right: 16px;
  color: #ffffff;
}

.mobile-menu {
  padding: 0;
  margin: 0;
  list-style: none;
}

.mobile-menu .link {
  display: block;
  padding: 10px;
  color: #ffffff;
  text-decoration: none;
}