@import url('https://fonts.googleapis.com/css?family=Montserrat:300,400,700,900&display=swap');

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

body{
    font-size: 16px;
    min-width: 320px;
    position: relative;
    line-height: 1.65;
    overflow-x: hidden;
    font-family: Montserrat,sans-serif;
}

.container {
    max-width: 1140px;
    width: 100%;
    padding-right: 15px;
    padding-left: 15px;
    margin-right: auto;
    margin-left: auto;
}

a{
    text-decoration: none;
}
img{
    display: block;
    max-width: 100%;
    height: auto;
}

header{
    background: #014979;
}
.header-wrapper{
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}
.header-logo{
    display: block;
    width: 140px;
    color: #fff;
}
.header-active{
    display: flex;
    align-items: center;
    gap: 3rem;
}
.mobile-menu-btn{
    display: none;
}
.header-nav, .header-nav-lang{
    display: flex;
    align-items: center;
    gap: 1rem;
}
.header-nav a, .header-nav-lang a{
    font-size: 14px;
    color: #fff;
}

.header-nav a.active, .header-nav-lang span{
    color: rgb(160, 203, 36);
}

.top-content{
    min-height: 650px;
    background-image: url('../img/top-bg.jpg');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
}
.top-content h1{
    padding-top: 200px;
    font-size: 46px;
    line-height: 110%;
    color: #fff;
    text-transform: uppercase;
    text-align: center;
    text-shadow: 1px 1px 3px #212529;
}
.top-content h2{
    margin-top: 10px;
    font-size: 26px;
    line-height: 110%;
    color: #fff;
    text-align: center;
    text-shadow: 1px 1px 3px #212529;
}
.sp{
    padding-top: 60px;
    padding-bottom: 120px;
}
.title{
    font-size: 24px;
    font-weight: 700;
    color: #014979;
    text-align: center;
}
.subtitle{
    font-size: 18px;
    text-align: center;
    max-width: 800px;
    color: #014979;
    margin: 1rem auto;
    font-weight: 600;
}
.about p{
    margin-top: 1rem;
}

.about .about-block{
    margin-top: 2rem;
}

.about-block p{
    font-weight: normal;
    font-size: 1rem;
    color: #212529;
}


.application{
    background-color: #ecf2f5;
}
.application p, .application b{
    display: block;
    margin-top: 1rem;
}
.application cite{
    display: block;
    font-size: 1.2rem;
    margin-top: 1rem;
}

.application-list{
    list-style: none;
    margin-top: 1rem;
}
.application-list li{
    position: relative;
    padding-left: 35px;
    margin-top: 4px;
}
.application-list li::before{
    content: '';
    position: absolute;
    left: 0;
    top: 2px;
    background-image: url('../img/checkmark.svg');
    background-repeat: no-repeat;
    background-size: contain;
    height: 25px;
    width: 20px;
}

.patent-list{
    margin-top: 30px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 15px;
}
.patent-list a{
    display: flex;
    justify-content: center;
    max-height: 400px;
}
.patent-list a img{
    height: 100%;
    object-fit: contain;
}
.patent-text{
    margin-top: 60px;
    color: #014979;
    font-size: 18px;
}
.answer-list{
    padding-left: 20px;
    list-style: disc;
    margin-top: 1rem;
}
.advantages-list{
    margin-top: 30px;
    list-style: none;
    font-size: 18px;
    color: #000;
}
.advantages-list li {
    margin-top: 1rem;
}

.room{
    background-color: #ecf2f5;
}
.room .subtitle{
    max-width: none;
    text-align: left;
    margin-top: 50px;
}
.room-list{
    list-style: none;
}
.room-list li{
    position: relative;
    padding-left: 35px;
    margin-top: 4px;
}
.room-list li::before{
    content: '';
    position: absolute;
    left: 0;
    top: 2px;
    background-image: url('../img/checkmark.svg');
    background-repeat: no-repeat;
    background-size: contain;
    height: 25px;
    width: 20px;
}

.swiper {
    margin: 30px 0;
    width: 100%;
    height: 100%;
  }

  .swiper-slide {
   
    text-align: center;
    font-size: 18px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .swiper-slide img {
    display: block;
    width: 100%;
    height: 250px;
    object-fit: cover;
  }
  .swiper-button-next, .swiper-button-prev{
    color: rgb(160, 203, 36)!important;
  }

.btnScrollTo{
    display: none;
    position: fixed;
    bottom: 30px;
    right: 30px;
    border: none;
    outline: none;
    cursor: pointer;
    background-color: #014979;
    width: 30px;
    height: 30px;
    align-items: center;
    justify-content: center;
    color: rgb(160, 203, 36);
}
.btnScrollTo.active{
    display: flex;
}

.algorithm{
    background: #fff;
}
.algorithm-list{
    margin-top: 40px;
    list-style: none;
    font-size: 18px;
    font-weight: 600;
    padding: 0;
}
.algorithm-list li{
    margin-top: 1rem;
    color: #014979;
}
.algorithm-list-sub{
    padding-left: 40px;
    list-style: disc;
}
.algorithm-list-sub li {
    margin-top: 0;
    font-weight: normal;
}

footer{
    min-height: 60px;
    background-color: #014979;
}
.footer-nav{
    padding: 1rem 0;
}
.footer-nav a{
    color: #fff;

}
.footer-nav a span{
    text-decoration: underline;
}

.level-wrapper{
    margin-top: 40px;
}
.level-left{
    width: 80%;
    margin: 0 auto;
}
.level-left img{
    display: block;
    max-width: 100%;
    height: auto;
}
.level-right{
    margin-top: 30px;
}
.level-right p{
    display: none;
    font-weight: bold;
    font-size: 16px;
    text-transform: uppercase;
}
.level-right ul{
    list-style: none;
    font-weight: 600;
    font-size: 17px;
    text-transform: uppercase;
}
.level-right ul li:nth-child(1){
    color: #014979;
}
.level-right ul li:nth-child(2){
    color: #ee7c2e;
}
.level-right ul li:nth-child(3){
    color: #09ab52;
}


.video-block {
    margin-top: 30px;
    display: flex;              /* располагаем элементы в строку */
    align-items: flex-start;        /* выравниваем по вертикали */
    justify-content: space-between; /* добавляет пространство между элементами */
    gap: 20px;                  /* расстояние между видео и текстом */
}


.video-block video {
    flex: 1;                    /* видео занимает часть ширины */
    max-width: 500px;           /* ограничение ширины */
    height: auto;
}

.video-block p {
    flex: 1;                    /* текст занимает оставшуюся часть */
    font-size: 16px;
    line-height: 1.5;
}