* {
    box-sizing: border-box;
}

html {
    width: 100vw;
    max-width: 1366px;
    min-width: 1200px;
    margin: 0 auto;
    font-family: 'Montserrat', sans-serif;
    color: #000;
}

body {
    width: 100%;
    padding: 18px;
    margin: 0 auto;
    background: #F6F6F9;;
}

header {
    display: flex;
    width: 90%;
    justify-content: space-between;
    align-items: center;
    margin: 24px auto;
}

.header__logo {
    width: 250px
}

.nav {
    display: flex;
    width: 50%;
    justify-content: space-between;

}

.nav-link {
    text-decoration: none;
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 16px;
    line-height: 24px;
    /* identical to box height, or 150% */

    text-align: center;

    /* gray / darker */

    color: #1F1F1F
}

button{
    cursor: pointer
}
.reg-btn {
    background: #F53838;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    border-radius: 324px;
    padding: 10px 30px;
    gap: 8px;
    font-family: 'Montserrat', sans-serif;
    ;
    font-style: normal;
    font-weight: 600;
    font-size: 14px;
    line-height: 24px;

    text-align: center;

    color: #FFF;
    text-decoration: none;
    transition: all linear 0.33s;
}

.reg-btn:hover {
    color: #4575F2;
    background: transparent;
    border: 1px solid #4575F2;
    ;
}



.promo {
    position: relative;
    text-align: center;
    width: 100%;
    margin: 0px 0 -150px 0;
    z-index: -1
}

.promo__txt {
    width: 100%;
    position: absolute;
    top: 260px;
    transform: translateY(-75%);

    text-align: center;
}

.promo img {
    width: 100%;
    height: 586px;
    overflow: hidden;
    object-fit: cover;
}

.txt-low {
    font-style: normal;
    font-weight: 600;
    font-size: 20px;
    line-height: 23px;
    color: #FFFFFF;

    text-shadow: 0px 2px 6px rgba(0, 0, 0, 0.15);
    margin: 0;
}

.txt-high {
    /* КОНФЕРЕНЦИЯ FPGA-Systems 2021.1 */
    font-style: normal;
    font-weight: 600;
    font-size: 60px;
    /* or 311% */
    text-align: center;

    color: #FFFFFF;

    text-shadow: 0px 2px 10px rgba(0, 0, 0, 0.3);
    margin: 0;
}

.reg-promo {
    text-align: center;
}

.reg-txt {
    width: 50%;
}

.content {
    width: 80%;
    margin: 0 auto;
}

.post-promo {
    width: 86%;
    display: flex;
    justify-content: space-around;
    align-items: center;
    color: #FFFFFF;
    font-weight: 500;
    font-size: 20px;
    line-height: 28px;
    margin: 26px auto;
    letter-spacing: 0.05em;
    text-align: center;
}

.post-promo div {
    width: 25%;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 5px;
}

.border-left {
    border-left: 3px solid #fff;
}

.border-right {
    border-right: 3px solid #fff;
}

.content hr {
    background-color: #D6D6DC;
    color: #D6D6DC;
}

section {
    margin: 50px 0;
}

.hello {
    font-style: bold;
    font-weight: 700;
    font-size: 40px;
    line-height: 40px;
    /* or 140% */

    text-align: center;
    letter-spacing: 5%;

    /* gray / darker */

    color: #1F1F1F
}

.hello span {
    color: #8C58FF;
}


.info h2 {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 20px;
    line-height: 28px;

    letter-spacing: 0.05em;

    color: #1F1F1F;;

    margin: 8px 0px;
}



.info p {
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 16px;
    line-height: 24px;

    color: #525252;
    margin: 8px 0px 16px 0;
}

.info {
    margin-bottom: 75px;
    ;
}

h2.summary,
a.summary {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 28px;
    line-height: 36px;
    /* identical to box height, or 129% */

    text-align: center;
    letter-spacing: 0.05em;

    /* gray / darker */

    color: #1F1F1F;

    /* Inside Auto Layout */

    flex: none;
    order: 0;
    flex-grow: 0;
    margin: 40px 0px;
}

a.summary {
    display: block;
}

img.sbornik-img {
    width: 50%;
    height: fit-content;
    margin: auto 0;
}

table.summary {
    /* txt bold */

    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 16px;
    line-height: 24px;
    /* or 150% */

    text-align: center;

    /* gray / darker */

    color: #1F1F1F;

    /* Inside Auto Layout */

    flex: none;
    order: 1;
    flex-grow: 0;
    margin: 8px auto 80px auto;
}

.register {
    font-family: Montserrat;
    font-style: normal;
    font-weight: 500;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */

    text-align: center;
    letter-spacing: 0.05em;

    /* gray / darker */

    color: #1F1F1F;

    /* Inside Auto Layout */

    flex: none;
    order: 0;
    flex-grow: 0;
    margin: 24px 0px;
}

.register .summary span,.register .summary,
.program .summary,
.past .summary,
.sbornik .summary,
.mem .summary,
.chavo .summary,
.summary.summary {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 80px;
    line-height: 80px;
    /* or 100% */
    color: #8C58FF;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}

.program .summary,
.past .summary,
.sbornik .summary,
.mem .summary,
.chavo .summary,
.summary.summary {
    text-align: left;
}
/* 
.register .summary {
    text-align: left;
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 60px;
    line-height: 60px;
    color: #8C58FF;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
} */

.summary-img {
    margin-top: -100px;
    margin-left: -50px;
}

.type {
    display: flex;
    justify-content: space-around;
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */

    text-align: center;
    letter-spacing: 0.05em;

    /* gray / darker */

    color: #1F1F1F;

    /* Inside Auto Layout */

    flex: none;
    order: 0;
    flex-grow: 0;
    margin: 8px 0px;
}

.register p {
    display: block;
    margin: 12px auto;
}

.program {
    width: 100%;
    margin: 0 auto;
    margin-bottom: 111px;
    color: #D6D6DC;
}

.sp-radio-options label {
    width: 50%;
}

.sp-radio-options {
    display: flex;
    flex-wrap: wrap;
}

.sp-radio-options span {
    font-family: Montserrat;
    font-style: normal;
    font-weight: 500;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */

    text-align: center;
    letter-spacing: 0.05em;

    /* gray / darker */

    color: #1F1F1F;

    /* Inside Auto Layout */


    margin: 0px 8px;
}

.past {
    height: auto;
    display: block;
    margin-bottom: 50px;
}

.past__inner {
    display: flex;
    justify-content: space-between;
    width: 70%;
    margin: 0 auto;
    text-align: center;
    align-items: center;

}

.past__content {
    width: 50%
}

.past__youtube {
    width: 400px
}

.past__header {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 28px;
    line-height: 36px;
    /* or 129% */

    text-align: center;
    letter-spacing: 0.05em;

    color: #FFFFFF;


    /* Inside Auto Layout */


    margin: 16px 0px;
}

.past__txt {
    /* txt main */

    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 16px;
    line-height: 24px;
    /* or 150% */

    text-align: center;

    color: #FFFFFF;


    /* Inside Auto Layout */

    flex: none;
    order: 1;
    flex-grow: 0;
    margin: 16px 0px 24px 0;

}

.past__btn {
    padding: 8px 24px;

    /* orange */
    background: transparent;
    border-radius: 6px;
    border: 1px solid #F6F6F9;
    ;
    /* Inside Auto Layout */
    margin: 0px 24px;

    font-family: 'Montserrat', sans-serif;
    ;
    font-style: normal;
    font-weight: 600;
    font-size: 14px;
    line-height: 24px;

    text-align: center;

    color: #F6F6F9;
    text-decoration: none;
    transition: all linear 0.33s;
}

.past a {
    color: #D6D6DC;
}

.chavo {
    width: 80%;
    margin: 0 auto;
    margin-bottom: 50px;
}

.sbornik .collums {
    display: flex;
    align-items: left;
}

.sbornik__txt, .chavo__txt {
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 18px;
    line-height: 140%;
    padding: 10px;
    /* or 25px */


    /* White */

    color: #525252;
}

.mem__txt {
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 18px;
    line-height: 140%;
    /* or 25px */


    /* White */

    color: #fff;
}

.sbornik__link {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 20px;
    line-height: 35px;
    /* or 175% */


    color: #8BF6AB;
    text-decoration: none;
}

.mem {
    display: block;
    background: rgba(51, 48, 68, 0.7);
    box-shadow: inset -2px -2px 4px #7334EA;
    backdrop-filter: blur(4px);
    padding: 0 0 0 20px;
    margin: 45px 0 45px 0;
}

.mem .collums {
    display: flex;
    align-items: left;
}

.register .collums {
    display: flex;
    align-items: left;
}

.mem__txt {
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 18px;
    line-height: 140%;
    /* or 25px */


    /* White */

    color: #FFFFFF;
}

.mem__link,
.chavo a {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 20px;
    line-height: 35px;
    /* or 175% */


    color: #8BF6AB;
    text-decoration: none;
}

.chavo {
    width: 100%;
}

.chavo-txt {
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 16px;
    line-height: 24px;
    color: #FFFFFF;
}

.partners {
    width: 100%;
    margin-bottom: 50px;
    text-align: center;
    background-color: white;
}

.partners__header {
    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 28px;
    line-height: 36px;
    /* identical to box height, or 129% */

    text-align: center;
    letter-spacing: 0.05em;

    /* gray / darker */

    color: #1F1F1F;
    margin-bottom: 0;
}

.partners__txt {
    font-family: Montserrat;
    font-style: normal;
    font-weight: normal;
    font-size: 16px;
    line-height: 24px;
    /* identical to box height, or 150% */

    text-align: center;

    /* gray / darker */

    color: #1F1F1F;
    margin: 0 auto 25px;
}


.partners__list {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}

.partners__logo {
    /* max-width: 250px; */
    max-height: 100px;
    margin: 0 8px;
}


.footer {
    width: 100%;
    background-image: url(https://fpga-systems.ru/conference/2021-1/img/footer-top.svg);
    /* box-shadow: 0px 4px 30px rgba(0, 0, 0, 0.05); */
    padding-top: 200px;
}

.footer__inner {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    width: 100%;
    justify-content: space-between;
}

.footer-item {
    width: auto;
    max-width: 400px;
    margin: 1rem;
}

.footer h2 {
    font-family: Montserrat;
    font-style: normal;
    font-weight: 500;
    font-size: 1rem;
    line-height: 100%;
    /* identical to box height, or 30px */
    margin-bottom: 0.25rem;

    color: #2C2B2B;

}

.social__links {
    text-decoration: none;
    display: flex;
    justify-content: space-around;
}

.social__links img {
    max-width: 2rem;
    transition: 0.5s all cubic-bezier(0.075, 0.82, 0.165, 1);
}

.social__links img:hover {
    max-width: 3rem;
    border: 1px solid #fff
}


.footer__link {
    display: block;
    text-decoration: none;
    color: #2B5B6C;
    padding-left: 0.75rem;
    transition: 0.25s all;
}

.footer__link:hover {
    color: #FF8C4B;
}

.social__img {}

.subscribe {
    width: 100%;
    max-width: 1000px;
    background-color: #fff;
    text-align: center;
    font-family: Montserrat;
    font-style: normal;
    font-weight: 500;
    font-size: 1.25rem;
    line-height: 150%;
    /* or 30px */
    color: #000000;

    padding: 1rem;
    margin: 2rem auto;
}


.subscribe p {

    text-align: center;
    font-family: Montserrat;
    font-style: normal;
    font-weight: 500;
    font-size: 1rem;
    line-height: 150%;
    /* or 30px */
    color: #000000;

    padding: 1rem;
    margin: 2rem;
}

.subscribe tbody {

    align-items: center;
}

.subscribe tr {

    align-items: center;
}

.subscribe td {
    display: flex;
    margin: 0 auto;
    justify-content: center;
    text-align: center;
}

.subscribe__email {
    height: 2rem;

    background: #FFFFFF;
    border: 1px solid #FF8C4B;
    box-sizing: border-box;
    border-radius: 0.25rem;

    font-family: Montserrat;
    font-style: normal;
    font-weight: 500;
    font-size: 1rem;
    line-height: 150%;
    /* or 30px */

    text-align: center;

    color: #000000;
}

.subscribe__email:focus {
    outline-color: #FF8C4B;
}

.subscribe__btn {
    color: #fff;
    font-size: 1.5rem;
    font-weight: bold;
    background: #FF8C4B;
    border-radius: 0.25rem;
    border: 1px solid #FF8C4B;
    transition: all 0.25s linear;
    margin-left: 1rem;
}

.subscribe__btn:hover {
    background: #fff;
    color: #2B5B6C;
    ;
    border: 1px solid #2B5B6C;
}

.t-container {
    width: 95%;
    max-width: 1555px;
    margin: 0 auto;
}

.social {
    height: 100px;
}

/*===================  ТАБЫ  ==========*/
.tabs {
    width: 100%;
    padding: 0px;
    margin: 0 auto;
}

.tabs>input {
    display: none;
}

.tabs>div {
    display: none;
    padding: 12px;
    border: 1px solid #C0C0C0;
    background: #FFFFFF;
}

.tabs>label {
    display: inline-block;
    padding: 7px;
    margin: 0 -5px -1px 0;
    text-align: center;
    color: #666666;
    border: 1px solid #C0C0C0;
    background: #8D5AFF;
    cursor: pointer;
    width: 50%;

    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */

    text-align: center;
    letter-spacing: 0.05em;
    /* White */
    color: #FFFFFF;
    text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
}

.tabs>input:checked+label {
    color: #000000;
    border: 1px solid #C0C0C0;
    border-bottom: 1px solid #FFFFFF;
    background: #FFFFFF;

    /* Subtitle landing */

    font-family: Montserrat;
    font-style: normal;
    font-weight: bold;
    font-size: 20px;
    line-height: 28px;
    /* identical to box height, or 140% */

    text-align: center;
    letter-spacing: 0.05em;

    color: #8D5AFF;

    background: rgba(51, 48, 68, 0.7);
    box-shadow: inset -2px -2px 4px #7334EA;
    backdrop-filter: blur(4px);
    /* Note: backdrop-filter has minimal browser support */


}

#tab_1:checked~#txt_1,
#tab_2:checked~#txt_2,
#tab_3:checked~#txt_3,
#tab_4:checked~#txt_4,
#tab_5:checked~#txt_5,
#tab_6:checked~#txt_6,
#tab_7:checked~#txt_7,
#tab_8:checked~#txt_8,
#tab_9:checked~#txt_9  {
    display: block;
    background: rgba(51, 48, 68, 0.7);
    box-shadow: inset -2px -2px 4px #7334EA;
    backdrop-filter: blur(4px);
}








.ag-format-container {
    width: 1142px;
    margin: 0 auto;
  }
  
  
  
  .ag-courses_box {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
  
    padding: 50px 0;
  }
  .ag-courses_item {
    -ms-flex-preferred-size: calc(45% - 30px);
    flex-basis: calc(45% - 30px);
  
    margin: 0 15px 30px;
  
    overflow: hidden;
  
    border-radius: 28px;
  }
  .ag-courses-item_link {
    display: block;
    padding: 30px 20px;
    background-color: #796678af;
  
    overflow: hidden;
  
    position: relative;
  }
  .ag-courses-item_link:hover,
  .ag-courses-item_link:hover .ag-courses-item_date {
    text-decoration: none;
    color: #FFF;
  }
  .ag-courses-item_link:hover .ag-courses-item_bg {
    -webkit-transform: scale(10);
    -ms-transform: scale(10);
    transform: scale(10);
  }
  .ag-courses-item_title {
    min-height: 87px;
    margin: 0 0 25px;
  
    overflow: hidden;
  
    font-weight: bold;
    font-size: 30px;
    color: #FFF;
  
    z-index: 2;
    position: relative;

    display: table-cell;
  }
  .ag-courses-item_date-box {
    font-size: 18px;
    color: #FFF;
  
    z-index: 2;
    position: relative;
  }
  .ag-courses-item_date {
    font-weight: bold;
    color: #f9b234;
  
    -webkit-transition: color .5s ease;
    -o-transition: color .5s ease;
    transition: color .5s ease
  }
  .ag-courses-item_bg {
    height: 128px;
    width: 128px;
    background-color: #f9b234;
  
    z-index: 1;
    position: absolute;
    top: -75px;
    right: -75px;
  
    border-radius: 50%;
  
    -webkit-transition: all .5s ease;
    -o-transition: all .5s ease;
    transition: all .5s ease;
  }
  .ag-courses_item:nth-child(2n) .ag-courses-item_bg {
    background-color: #3ecd5e;
  }
  .ag-courses_item:nth-child(3n) .ag-courses-item_bg {
    background-color: #e44002;
  }
  .ag-courses_item:nth-child(4n) .ag-courses-item_bg {
    background-color: #952aff;
  }
  .ag-courses_item:nth-child(5n) .ag-courses-item_bg {
    background-color: #cd3e94;
  }
  .ag-courses_item:nth-child(6n) .ag-courses-item_bg {
    background-color: #4c49ea;
  }
  
  
  
  @media only screen and (max-width: 979px) {
    .ag-courses_item {
      -ms-flex-preferred-size: calc(50% - 30px);
      flex-basis: calc(50% - 30px);
    }
    .ag-courses-item_title {
      font-size: 24px;
    }
  }
  
  @media only screen and (max-width: 767px) {
    .ag-format-container {
      width: 96%;
    }
  
  }
  @media only screen and (max-width: 639px) {
    .ag-courses_item {
      -ms-flex-preferred-size: 100%;
      flex-basis: 100%;
    }
    .ag-courses-item_title {
      min-height: 72px;
      line-height: 1;
  
      font-size: 24px;
    }
    .ag-courses-item_link {
      padding: 22px 40px;
    }
    .ag-courses-item_date-box {
      font-size: 16px;
    }
  }