:root {
  --main-font: 'Roboto', sans-serif;
  --secondary-font: 'Open Sans', sans-serif;
}

* {
  margin: 0;
  padding: 0;
}

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

html {
  box-sizing: border-box;
}

ul,
ol {
  list-style: none;
}

a {
  text-decoration: none;
}

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

.container {
  width: 1110px;
  margin: 0 auto;
}

.clearfix::after {
  content: "";
  display: table;
  clear: both;
}

/* HEADER SECTION */

.header {
  padding-top: 36px;
  padding-bottom: 36px;
}

.header_nav__logo {
  font-family: var(--main-font);
  font-size: 30px;
  font-weight: 300;
  line-height: 32px;
  text-transform: uppercase;
  color: #000;
  width: 125px;
  vertical-align: middle;
  float: left;
  
}

.header_nav__logo::first-letter {
  color: #1abc9c;
  font-weight: 600;
}

.header_nav__list {
  float: right;
  margin-top: 7px;
}

.header_nav__list_item {
  font-family: var(--secondary-font);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  text-transform: uppercase;
  float: left;
}

.header_nav__list_item:not(:last-child) {
  margin-right: 34px;
}

.header_nav__list_item_link {
  display: block;
}

.header_nav__list_item_link:hover {
  color: #1abc9c;
}

.header_nav__list_item_link:focus {
  color: #1abc9c;
  outline: none;
}

.header_nav__list_item_link {
  font-family: var(--secondary-font);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  color: #000;
}

/* ABOUT SECTION */

.about {
  position: relative;
}

.about_overlay::before {
  content: "";
  position: absolute;
  display: block;
  background-color: rgba(0,0,0,0.55);
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.about_slider_img {
  position: relative;
  width: 100%;
  z-index: -1;
}

.about_main_content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.about_wrapper__buttons {
  position: absolute;
  width: 100%;
  top: 50%;
  transform: translateY(-50%);
}

.about_wrapper__buttons_btn {
  width: 104px;
  height: 104px;
  background-color: rgba(78, 198, 171,0.6);
  border: none;
  background-repeat: no-repeat;
  background-position: center;
  cursor: pointer;
}

.about_wrapper__buttons_btn:hover {
  background-color: #1abc9c;
}

.prev {
  background-image: url(../img/arrow_prew.png);
  float: left;
}

.next {
  float: right;
  background-image: url(../img/arrow_next.png);
}

.about_wrapper__content {
  font-family: var(--main-font);
  text-transform: uppercase;
  color: #fff;
  width: 765px;
  margin: 0 auto;
}

.about_heading {
  font-size: 60px;
  font-weight: 900;
  line-height: 82px;
  margin: 0;
  text-align: center;
}

.about_description {
  font-size: 24px;
  font-weight: 300;
  line-height: 54px;
}

/* COLLECTION SECTION */

.collection {
  background-color: #e9f0fd;
  padding-top: 96px;
  padding-bottom: 100px;
}

.collection_heading {
  font-family: var(--main-font);
  font-size: 48px;
  font-weight: 700;
  text-transform: uppercase;
  text-align: center;
  color: #515151;
  margin-bottom: 82px;
}

.collection_heading::after {
  content: "";
  display: block;
  height: 7px;
  width: 164px;
  background-color: #1abc9c;
  margin: 0 auto;
  margin-top: 27px;
}

.collection_list_item {
  position: relative;
  float: left;
  display: block;
  width: 255px;
}

.collection_list_item:not(:last-child) {
  margin-right: 30px;
}

.collection_list_item__link {
  font-family: var(--main-font);
  font-size: 18px;
  font-weight: 900;
  line-height: 40px;
  text-transform: uppercase;
  color: #fff;
  display: block;
  text-decoration: none;
}

.collection_list_item:hover 
.collection_list_item__block {
background-color: #1abc9c;
}

.collection_list_item__block {
  font-family: var(--main-font);
  font-size: 18px;
  font-weight: 900;
  line-height: 40px;
  text-transform: uppercase;
  color: #fff;
  background-color: #323232;
}

.collection_list_item__name {
  float: left;
  width: 78%;
  padding: 0 14px;
}

.collection_list_item__price {
  float: right;
  width: 22%;
  text-align: center;
  background-color: rgba(255,255,255,0.44)
}

.collection_overlay_wrapper {
  position: relative;
}

.collection_list_item__overlay {
  background-color: rgba(0,0,0,0.55);
  border: 10px solid rgba(255,255,255,0.55);
  background-clip: padding-box;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  display: none;
}

.collection_list_item:hover .collection_list_item__overlay {
  display: block;
}

.collection_list_item__overlay_list {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.collection_list_item__overlay_list_item {
  float: left;
}

.collection_list_item__overlay_list_item:not(:nth-last-child(-n+2)) {
  margin-right: 8px;
}

.collection_list_item__overlay_list_item:not(:last-child) {
  margin-bottom: 5px;
}

.collection_list_item__overlay_list_item_btn {
  width: 50px;
  height: 50px;
  background: none;
  border: none;
  background-repeat: no-repeat;
  background-position: center;
  border: 1px solid #fff;
  cursor: pointer;
}

.collection_list_item__overlay_list_item_btn:hover {
  background-color: #1abc9c;
  border: none;
}

.like {
  background-image: url(../img/collection/overlay/heart.png);
}

.arrows {
  background-image: url(../img/collection/overlay/arrows.png);
}

.clock {
  background-image: url(../img/collection/overlay/clock.png);
}

.cart {
  font-family: var(--secondary-font);
  font-size: 14px;
  line-height: 32px;
  text-transform: uppercase;
  background-color: #323232;
  background-image: url(../img/collection/overlay/cart.png);
  background-position: left 15px center;
  color: #fff;
  width: 166px;
  height: 50px;
  text-align: right;
  padding: 0 18px;
}

/* FOOTER SECTION */

.footer {
  font-family: var(--secondary-font);
  text-transform: capitalize;
  background-color: #323232;
  color: #fff;
  padding-top: 39px;
  padding-bottom: 35px;
  text-align: center;
}

.footer_link {
  text-decoration: none;
  color: #46bfa9;
}

.footer_link:hover {
  color: #e9f0fd;
}