body {
  margin: 0;

  font-family: "Raleway", sans-serif;
  font-size: 14px;
  color: #2c2f33;
  -webkit-font-smoothing: antialiased;

  background-color: #fff;
}

*,
::before,
::after {
  box-sizing: border-box;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  margin: 0;
}
p {
  margin: 0 0 10px;
}
ul[class] {
  list-style: none;
}

/* Container ========================= Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Header ========================= Header */
header {
  width: 100%;
  height: 100px;

  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
}
.header__inner {
  display: flex;
  justify-content: space-between;
  padding: 30px 0;
  align-items: center;

  border-bottom: 1px solid #4e5167;
}
nav {
  display: flex;
  font-size: 13px;
  font-weight: 700px;
  text-transform: uppercase;
}
.nav__link {
  margin-left: 50px;

  color: #fff;
  text-decoration: none;
  opacity: 0.75;

  transition: opacity 0.1s linear;
}
.nav__link:first-child {
  margin-left: 0;
}
.nav__link:hover {
  opacity: 1;
}

/* Intro ========================= Intro */
.intro {
  height: 750px;
  padding-top: 100px;

  background: #30344e url("images/intro-bg.jpg") center no-repeat;
  background-size: cover;

  display: flex;
  flex-direction: column;
  justify-content: center;
}
.intro__inner {
  width: 100%;
  max-width: 970px;
  margin: 0 auto;

  text-align: center;
}
.intro__title {
  margin: 0 0 30px;

  font-family: "Open Sans", sans-serif;
  font-size: 65px;
  font-weight: 700;
  text-transform: uppercase;

  line-height: 1.1;
  color: #fff;
}
.intro__suptitle {
  margin-bottom: 60px;

  font-size: 22px;
  font-weight: 400;
  color: #fff;
  line-height: 1.5;
}

/* Button ========================= Button */
.btn {
  display: inline-block;
  vertical-align: top;
  padding: 14px 40px;

  border-radius: 2px;
  border: 0;
  cursor: pointer;

  font-family: "Raleway", sans-serif;
  font-size: 13px;
  color: #fff;
  font-weight: 600;
  text-transform: uppercase;
  text-decoration: none;
  text-align: center;

  transition: background 0.1s linear;
}

.btn--red {
  background-color: #e84545;
}
.btn--red:hover {
  background-color: #cc3e3e;
}
.btn__long {
  min-width: 280px;
}

/* Features ========================= Features */
.features {
  display: flex; /* Чтобы ... кароче так надо */
  flex-wrap: wrap;
  margin: 100px 0;
}
.features__item {
  width: 33.3333%; /* 33% из 100% занимает кажный блок */
  padding: 0 40px;
  margin: 25px 0;

  text-align: center; /* Все в блоке по центру */
}
.features__icon {
  margin-bottom: 25px;
}
.features__title {
  margin-bottom: 20px;

  font-size: 14px;
  color: #2d3033;
  font-weight: 700;
  text-transform: uppercase;
}
.features__text {
  font-size: 14px;
  line-height: 1.5;
  columns: #6c7279;
}

/* Works ========================= Works */
.works {
  display: flex;
  flex-wrap: wrap;
}
.works__item {
  width: 25%;
  height: 350px;

  position: relative;
  overflow: hidden;

  border-bottom: 1px solid #fff;
  border-right: 1px solid #fff;
}

.works__item:hover .works__content {
  opacity: 1;
}

.works_photo {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 1;

  transform: translate3d(-50%, -50%, 0);
}
.works__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  text-align: center;
  opacity: 0;

  width: 100%;
  height: 100%;

  background-color: rgba(232, 69, 69, 0.9);

  position: absolute;
  top: 0;
  left: 0;
  z-index: 2;

  transition: opacity 0.2s linear;
}
.works__title {
  margin-bottom: 5px;

  font-weight: 700;
  font-size: 14px;
  color: white;
  text-transform: uppercase;
}
.works__text {
  font-size: 14px;
  color: white;
}

/* Team ========================= Team */
.team {
  margin: 100px 0 70px;
}
.team__inner {
  display: flex;
  flex-wrap: wrap;
  margin: 0 -15px;
}
.team__item {
  width: 25%;
  padding: 0 15px;
  margin-bottom: 30px;
}
.team__photo {
  display: block;
  max-width: 100%;
  height: auto;

  margin-bottom: 20px;
}
.team__name {
  margin-bottom: 8px;

  font-size: 22px;
  color: #2d3033;
}
.team__prof {
  margin-bottom: 15px;

  font-size: 13;
  color: #e84545;
  text-transform: uppercase;
}
.team__text {
  margin-bottom: 20px;

  font-size: 14px;
  color: #6c7279;
  line-height: 1.5;
}

/* Social ========================= Social */
.social {
  display: flex;
}
.social--foter {
  justify-content: center;
}
.social__item {
  display: flex;
  justify-content: center; /* Выровнено с помощью FLEX по горизонтали. */
  align-items: center; /* Выровнено с помощью FLEX по вертикали. */
  width: 40px;
  height: 40px;
  margin-right: 4px;

  background-color: #fff;
  border: 1px solid #e8ecee;

  transition: background 0.1s linear; /* Плавный переход фона*/
}

.social__item:hover {
  background-color: #e8ecee;
}
.social__item:hover .social__icon {
  fill: #000;
}

.social--foter .social__item {
  background-color: transparent;
  border-width: 2px;
  border-color: #fff;
  border-radius: 2px;
}

.social--foter .social__item:hover {
  background-color: #fff;
}

.social--foter .social__icon {
  fill: #fff;
}

.social__icon {
  display: block;
  height: 18px;

  fill: #c6cacc;

  transition: fill 0.1s linear;
}

/* Reviews ========================= Reviews */
.reviews {
  overflow: hidden;
  background-color: #53354a;
}
.review__item {
  display: flex;
  flex-wrap: wrap;
}
.review__photo {
  width: 50%;
  height: 500px;
  position: relative;
}
.reviews__img {
  position: absolute;
  top: 50%;
  right: 0;
  z-index: 1;

  transform: translateY(-50%);
}
.review__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 50%;
  padding-left: 80px;
}
.review__text {
  margin-bottom: 25px;

  font-family: "Cardo", sans-serif;
  font-size: 36px;
  font-style: italic;
  line-height: 1.2;
  color: #fff;
}
.review__author {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
}

/* Download ========================= Download */
.download {
  margin: 90px 0;
  text-align: center;
}
.download__title {
  margin-bottom: 5px;

  font-size: 28px;
  color: #2d3033;
  font-weight: 300;
}
.download__text {
  margin-bottom: 30px;

  font-size: 13px;
  color: #2d3033;
  text-transform: uppercase;
  font-weight: 700;
}

/* Footer ========================= Footer */
.footer {
  background-color: #3a3e64;
}
.footer__inner {
  padding: 70px 0;

  display: block;
  display: flex;
  flex-wrap: wrap;
}
.footer__block {
  width: 33.33333%;
  padding: 0 15px;

  text-align: center;
}
.footer__title {
  margin-bottom: 10px;

  font-size: 14px;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
}
.footer__address {
  color: rgba(255, 255, 255, 0.5);
  font-style: normal;
  font-size: 14px;
  line-height: 1.5;
}
.footer__text {
  color: rgba(255, 255, 255, 0.5);
  font-style: normal;
  font-size: 14px;
  line-height: 1.5;
}

/* Copyring ========================= Copyring */
.copyring {
  padding: 20px 0;

  background-color: #313454;
}
.copyring__text {
  text-align: center;
  font-size: 14px;
  line-height: 1.5;
  color: #808080;
}
.copyring__text span {
  color: #fff;
}

/* Обновления 1.2 */
.menu__burger {
  display: none;
}
.window__menu {
  display: none;
  background-color: #fff;
  width: 180px;
  padding-bottom: 30px;
  padding-top: 111px;
  position: absolute;
  top: 0px;
  right: 14px;
}
.close__menu-btn {
  position: absolute;
  top: 30px;
  right: 15px;
  width: 35px;
}
.window__menu-link {
  color: #131416;
  text-decoration: none;
}
.window__menu-list {
  margin-bottom: 30px;
}
.active{
  display: block;
}

/* ================== Адаптив =================================================================== */
/* ============================================================================================== */
/* ============================================================================================== */
@media (max-width: 920px) {
  .nav {
    display: none;
  }
  .menu__burger {
    display: block;
  }
  .intro__title {
    font-size: 42px;
  }
  .intro__suptitle {
    font-size: 18px;
  }
  .features__item {
    width: 50%;
    padding: 0 20px;
  }
  .works__item {
    width: 50%;
  }
  .team__item {
    width: 50%;
  }
  .team__photo {
    width: 100%;
  }
  .review__item {
    display: block;
  }
  .review__photo {
    width: 100%;
    height: 432px;
    position: static;
  }
  .reviews__img {
    width: 112%;
    position: static;
    transform: none;
    margin-left: -15px;
  }
  .review__content {
    width: 100%;
    padding: 70px 0;
  }
}
@media (max-width: 520px) {
  .intro__title {
    font-size: 27px;
  }
  .intro__suptitle {
    font-size: 16px;
  }
  .features__item {
    width: 100%;
  }
  .works__item {
    height: 250px;
  }
  .team__item {
    width: 100%;
  }
  .review__content {
    margin-top: -200px;
  }
  .review__text {
    font-size: 24px;
  }
  .footer__inner {
    padding-bottom: 0;
    padding-top: 40px;
  }
  .footer__block {
    width: 100%;
    margin-bottom: 30px;
  }
}