@import url("https://fonts.googleapis.com/css2?family=Poppins:wght@500;700&display=swap");
body {
  font-family: "Poppins", sans-serif;
  background-image: url(../images/back.png);
  background-repeat:repeat-y;
  background-size: 100% auto;
  background-position: center;
  font-weight: 500;
  color: #fff;
  font-size: 20px;
  margin: 0 auto;
  padding: 0;
  }

.logo{
  background-image: url(../images/QA-min 1.png);
  background-repeat: no-repeat;
 justify-content: center;
}

.line {
  border: none;
  box-shadow: 0 0 10px 3px #fff;
  margin: 20px 0;
}

/*main__photo*/
.main__photo{
  max-width: 1197px;
  margin: 100px auto;
  padding: 10px;
  display: block;
}

/* header */
.header__link__gradient {
  background-color: #7b96ee;
  border-radius: 10px;
  padding: 10px 20px;
  position: relative;
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  text-align: center;
}
.header__link__gradient:hover {
  background-color: #7b96ee;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.header__link__gradient::after {
  content: '';
  border: 2px solid #7b96ee;
  border-radius: 10px;
  display: block;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
  transition: .3s;
 }

.header__link__gradient:hover:after {
  opacity: 1;
}

nav{
  display: flex;
  justify-content:space-around;
  align-items: center;
  color: #fff;
  max-width: 1197px;
  padding: 20px 100px 10px 100px;
  margin: 0 auto;
}

.nav-links {
  display: flex;
  justify-content:space-around;
  padding: 0;
}

.nav-links a{
  display: block;
  text-decoration: none;
  color: #fff;
  transition:0.5s ease;
  transform: translateX(0%);
  white-space: nowrap;
  padding: 5px 20px;
}

.nav-links a:hover{
  color: #7b96ee;
}

.burger{
  display: none;
}

.burger div{
  width: 25px;
  height: 3px;
  background:rgb(123, 150, 2381);
  margin: 5px;
  transition:all 0.5s ease;
}

.toggle .line1{
   transform: rotate(-45deg) translate(-5px,6px );
}

.toggle .line2{
   opacity: 0;
}

.toggle .line3{
   transform: rotate(45deg) translate(-5px,-6px );
}

  /*swiper*/
html,
body {
  position: relative;
}

.swiper__block {
  max-width: 1197px;
  padding: 20px 15px;
  margin: 10px auto;
}

.swiper {
  max-width: 1197px;
  height: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 14px;
  background: transparent;
  display: -webkit-box;
  display: -ms-flexbox;
  display: -webkit-flex;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  -webkit-justify-content: center;
  justify-content: center;
  -webkit-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 200px;
  height: 100%;
  object-fit: cover;
  border-radius: 20px;
}

.swiper-button-next, .swiper-rtl .swiper-button-prev{
  right: 100px;
  left: auto;
}

.swiper-button-prev, .swiper-rtl .swiper-button-next{
  right: auto;
  left: 100px;
}

.image-slider {
    width: 100%;
}
/*стрелки*/
.swiper-button-next:after, .swiper-container-rtl .swiper-button-prev:after {
  content: '';
  color: #7b96ee;
  font-size: 80px;
  }

.swiper-button-prev:after, .swiper-container-rtl .swiper-button-prev:after {
  content: '';
  color: #7b96ee;
  font-size: 80px;
}

/*пагинация*/
.image-slider .swiper-pagination {
  bottom: 0;
}
/*буллеты*/
.swiper-pagination .swiper-pagination-bullet {
  opacity: 0.8;
  width: 20px;
  height: 20px;
  background-color: #7b96ee;
 }
.swiper-pagination .swiper-pagination-bullet-active {
  color: #7b96ee;
  width: 20px;
  height: 20px;
}


/* заголовки  */
.main__text {
  flex-basis: 490px;
  text-align: center;
  font-size: 20px;
}

.main__title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: 0;
  max-width: 1197px;  /* t */
  padding: 40px 100px 40px 100px;
  margin: 0 auto;
}

.main__desc {
  font-size: 20px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0;
  margin-bottom: 0;
  max-width: 1197px;
  margin: 0 auto;
}

p{
  text-align: justify;
  max-width: 1197px;
  padding: 20px 100px 10px 100px;
}

.header__mark {
  text-align: center;
  max-width: 1197px;
  margin: 0 auto;
}

.download_link{
  display: flex;
  justify-content:space-around;
  margin: 30px auto;
}

.download_doc{
  background-color: #7b96ee;
  border-radius: 10px;
  padding: 10px;
  position: relative;
  color: #fff;
  text-decoration: none;
  font-weight: 400;
  margin: 10px;
  justify-content: center;
}

.download_doc:hover {
  background-color: #7b96ee;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.download_doc::after {
  content: '';
  border: 2px solid #7b96ee;
  border-radius: 10px;
  display: block;
  width: 100%;
  height: 100%;
  background-size: contain;
  background-repeat: no-repeat;
  position: absolute;
  top: 50%;
  left: 50%;
  -webkit-transform: translateX(-50%) translateY(-50%);
  transform: translateX(-50%) translateY(-50%);
  opacity: 0;
  transition: .3s;
}

.download_doc:hover:after {
  opacity: 1;
}

/* Стиль для FAQ */
.collapsible {
  background-color: transparent;
  color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  padding: 5px 0;
  width: 100%;
  border: none;
  border-bottom: 2px solid #fff;
  text-align: left;
  outline: none;
  font-size: 20px;
  margin-bottom: 20px;
}

.active, .collapsible:hover {
  background-color: transparent;
  color: rgb(123, 150, 238, 1);
}

.collapsible::after {
  content: '\002B';
  color: rgba(255, 255, 255, 0.5);
  float: right;
  margin-left: 5px;
  margin-right: 20px;
}

.active::after {
  content: "\2212";
  color: rgb(123, 150, 238, 1);
}

.content {
  max-height: 0;
  overflow: hidden;
  line-height: 1.5;
  transition: max-height 0.2s ease-out;
  font-size: 40px;
}

.faq {
  text-align: justify;
  max-width: 1197px;
  margin: 20px auto;
}

.banner {
  max-width: 1197px;
  text-align: center;
  padding: 30px 15px 48px;
  margin: 0 auto;
  border-radius: 20px;
  box-shadow: 0 0 5px 4px #7b96ee;
  display: block;
  margin-inline:auto;
  width: fit-content;
}

.banner__title {
  font-size: 40px;
  font-weight: 700;
  line-height: 1.5;
  max-width: 600px;
  margin: 0 auto 32px;
}

.banner__link {
  background: rgba(255, 255, 255, 0.5);
  border-radius: 10px;
  font-size: 20px;
  padding: 10px 20px;
  text-decoration: none;
  color: #fff;
}

/*footer*/
.footer{
  padding: 0px 50px 50px 50px;
  background-size: contain;
}

.social{
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 10px 0;
  padding: 0;
  /* flex-wrap: wrap; *//*разрешен перенос на новую строку*/
}

.social li{
  list-style: none;/*удалить черные маркеры*/
}

.social li a {
  font-size: 2em;/*размер иконок*/
  color: #fff;/*цвет иконок*/
  margin: 0 40px;
  display: inline-block;/*отображать как строчно-блочный элемент*/
  transition: 0.5s;/*плавный переход*/
}

/*При наведении курсора значки увеличиваются*/
.contacts a:hover{
  -webkit-transform: scale(1.2);
  -ms-transform: scale(1.2);
  transform: scale(1.2);
  color: #7b96ee;
}

                                                                  /*max-width: 2560px */
@media only screen and (max-width: 2560px){
body {
  font-size: 50px;
}

.logo{
  background-image: url(../images/logo3.png);
  width: 154px;
  height: 150px;
  align: center;
}

/*main__photo*/
.main__photo{
  max-width: 1900px;
  height: 600px;
}

/* header */
nav{
  max-width: 1900px;
}

.nav-links a{
  padding: 10px 20px;
  margin: 0 10px;
}

  /* заголовки  */
.main__text {
  font-size: 60px;
}

.main__title {
  max-width: 2560px;
  font-size: 80px;
}

.main__desc {
/*   font-size: 24px; */
  line-height: 1.5;
  color:rgba(255, 255, 255, 0.7);
  max-width: 1900px;
}

.swiper__block {
  max-width: 2560px;
}

.swiper {
  max-width: 2000px;
}

.swiper-slide img {
  width: 400px;
}

.swiper-pagination .swiper-pagination-bullet, .swiper-pagination .swiper-pagination-bullet-active {
  width: 60px;
  height: 60px;
}

.collapsible {
  font-size: 60px;
  margin-bottom: 30px;
}

.content{
  font-size: 60px;
  line-height: .8;
}

.faq {
  max-width: 1800px;
}

.banner{
  max-width: 2560px;
  margin: 70px auto;

}
}


                                                              /*max-width: 1920px */
@media only screen and (max-width: 1920px){
body {
  font-size: 36px;
}
.main__photo{
  max-width: 1800px;
  border-radius: 30px;
  height: 400px;
  margin: 70px auto 0;
}
nav {
  max-width: 1920px;
}
/* заголовки  */
.main__text {
  font-size: 40px;
}
.main__title {
  max-width: 1920px;
  font-size: 40px;
}
.main__desc {
  font-size: 24px;
  line-height: 1.5;
  color:rgba(255, 255, 255, 0.7);
}
p{
  text-align: justify;
  max-width: 1920px;
  padding: 20px 100px 10px 100px;
}
.swiper__block {
  max-width: 1400px;
}
.swiper {
  max-width: 1600px;
}
.swiper-pagination .swiper-pagination-bullet, .swiper-pagination .swiper-pagination-bullet-active {
  width: 30px;
  height: 30px;
}
.collapsible {
  font-size: 40px;
  margin-bottom: 25px;
}
.content{
  font-size: 40px;
  line-height: .8;
}
.faq{
  max-width: 1200px;
}
.social li a {
  font-size: 3em;
}}


                                                              /*max-width: 1280px */
@media only screen and (max-width: 1280px){
body {
  font-size: 25px;
}
.logo{
  background-image: url(../images/logo3.png);
  width: 100px;
  height: 100px;
  }
.main__photo{
  width: 550px;
  height: 100%;
  border-radius: 20px;
  margin: 50px auto;
}
nav {
  max-width: 1000px;
  padding: 20px 50px;
}
.nav-links a{
  padding: 10px 20px;
  margin: 0 10px;
}
/* заголовки  */
.main__text {
  font-size: 30px;
}
.main__title {
  max-width: 1200px;
  font-size: 40px;
}
.main__desc {
  font-size: 24px;
  line-height: 1.5;
  color:rgba(255, 255, 255, 0.7);
}
p{
  text-align: justify;
  max-width: 1200px;
  padding: 20px 100px 10px 100px;
}
.swiper__block {
  max-width: 1197px;
  padding: 20px 15px;
  margin: 10px auto;
}
.swiper {
  max-width: 1197px;
  height: 100%;
}
.swiper-slide img {
  width: 280px;}
.collapsible {
  font-size: 27px;
}
.content{
  font-size: 30px;
  line-height: .5;
}
.faq{
  max-width: 1000px;
}
.social li a {
  font-size: 2em;
  }
}

                                                              /*max-width: 1024px */
@media only screen and (max-width: 1024px){
body {
  font-size: 20px;
}

.main__text {
  font-size: 25px;
}
.main__title {
  max-width: 1200px;
  font-size: 30px;
  padding: 20px 100px;
}
.main__desc {
  font-size: 24px;
  line-height: 1.5;
}
.content{
  font-size: 25px;
  line-height: .5;
}
.faq{
  max-width: 900px;
}
}

                                                              /*max-width: 960px */
@media only screen and (max-width: 960px) {
.header{
  max-width: 750px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 100px 10px 100px;
}
nav {
  max-width: 750px;
  padding: 20px 0 20px 0;
}
.header__nav {
  display: none;
}
.burger .burgerSlider{
  border: none;
  background: transparent ;
  height: 30px;
}
p{
  text-align: justify;
  max-width: 900px;
  padding: 20px 50px 10px 50px;
}
.faq{
  max-width: 750px;
}
.banner{
  box-shadow: none;
  margin: 0px auto 50px;
  padding: 0;
}}

                                                              /*max-width: 760px */
@media only screen and (max-width: 760px){

body {
  font-size: 22px;
}
.logo{
  margin-top: 20px;
}
.main__photo{
  max-width: 500px;
  border-radius: 20px;
  margin: 50px auto;
  padding: 0;
}
nav{
  justify-content: space-between;
  padding: 0 5vw;
}
.nav-links{
  position: absolute;
  right: 0;
  top: 100px;
  background-image: url(../images/back.png);
  flex-direction: column;
  align-items: center;
  width: 97%;
  padding: 10px;
  transform: translateX(100%);
  transition:All 0.5s ease-in;
  box-shadow: inset 0 0 8px rgb(123, 150, 238),
  1px 1px 3px darkgray;
}
.nav-links a{
  opacity: 1;
}
.nav-links a:hover{
  color: rgb(123, 150, 238);
  -webkit-transform: scale(1.2);
  -ms-transform: scale(1.2);
  transform: scale(1.2);
}
.burger{
  display: block;
}
.nav-active{
  transform: translateX(0);
}
p{
 padding: 0px 25px;
}
.main__desc {
  font-size: 20px;
}
.download_doc{
  display: flex;
  align-items: center;
  justify-content: center;
}
.faq{
  max-width: 500px;
}
}

                                                              /*max-width: 640px */
@media only screen and (max-width: 640px){
.main__photo{
  max-width: 450px;
  margin: 50px auto 10px;
}
.header__mark {
  font-size: 20px;
  line-height: 1.5;
}
.main__desc {
font-size: 14px;
}
p{
max-width: 900px;
}
.swiper-slide img {
  width: 200px;
  height: 100%;
}
.swiper-pagination .swiper-pagination-bullet {
  width: 20px;
  height: 20px;
}
.swiper-pagination .swiper-pagination-bullet-active {
  width: 20px;
  height: 20px;
}
.main__title{
  font-size: 30px;
  text-align: center;
}
.collapsible{
  font-size: 18px;
  margin-bottom: 15px;
}

.download_doc{
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq {
  max-width: 450px;
}
.content {
line-height: 0.2;
}
.banner {
  max-width: 600px;
  margin: 0 auto 30px;
}
.social {
  font-size: 20px;
}
.social li a {
  margin: 0 30px;
}
}

                                                              /*max-width: 480px */
@media only screen and (max-width: 480px){
body {
  font-size: 20px;
}
.logo{
  background-image: url(../images/logo1.png);
  width: 50px;
  height: 50px;
  }

.main__photo{
  max-width: 300px;
  margin: 40px auto 10px;
  border-radius: 10px;
}
.header__mark {
  font-size: 18px;
  line-height: 1.5;
}
.main__title{

  font-size: 20px;
}
.swiper__block{
  max-width: 500px;
}
.swiper{
  max-width: 500px;
}
.swiper-slide img {
  width: 150px;
  height: 100%;
}

.download_doc{
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq {
  max-width: 300px;
}
.content{
  line-height: 0.1;
}
.banner{
  max-width: 400px;
}
.social{
  font-size: 18px;
}
.social li a {
  margin: 0 20px;
}

.nav-links{
  width: 100%;
  transition:All 0.5s ease;
}
}
.nav-active{
  transform: translateX(0);
}
@keyframes navLinkFade{
from{
  opacity: 0;
  transform: translateX(50px);
}
to{
  opacity: 1;
  transform: translateX(0);
}
}

                                                              /*max-width: 320px */
@media only screen and (max-width: 320px){
body{
  font-size: 18px;
}

.main__photo{
  max-width: 200px;
  margin: 40px auto 10px;
  border-radius: 10px;
}
.nav-links{
  top: 80px;
}
.main__title{
  font-size: 20px;
  padding: 10px 10px 20px;
}
.swiper-button-next, .swiper-rtl .swiper-button-prev{
  right: 0;
  left: 220px;
}
.swiper-button-prev, .swiper-rtl .swiper-button-next{
  right: 220px;
  left: 0;
}
.main__desc{
  font-size: 15px;
}
p{
  padding: 0 20px;
}

.download_doc{
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq{
  max-width: 300px;
}
.collapsible{
  font-size: 16px;
  margin-bottom: 10px;
}
.social{
  font-size: 16px;
}
.social li a {
  margin: 0 10px;
}
.banner{
  max-width: 200px;
  padding: 0 0 15px;
  border-radius: 10px;
  box-shadow: none;
}
}