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

body {
    font-family: sans-serif; 
    color: #1D1D1D;
    background: #fff;
    line-height: 1.6;
}

.page-wrapper {
    width: 100%;
}

.container {
    max-width: 1260px;
    margin: 0 auto;
    padding: 0 30px;
}

.container_main {
    display: flex;
    max-width: 1260px;
    margin: 0 auto;
    padding: 40px 30px 0;
    gap: 20px;
}

.sidebar {
    position: sticky;
    top: 120px;
    width: 385px;
    margin-left: 10px;
    align-self: flex-start;
}

.sidebar_list li {
    font-size: 36px;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: 82px;
    font-family: 'Francois One', sans-serif;
    font-size: 36px;
    line-height: 48px;
    letter-spacing: 1.5px;
}

.sidebar_list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.content {
    flex: 1;
}

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    z-index: 1000;
    padding: 25px 0;

}

header .container {
    display: flex;
    align-items: center;
}

.nav {
    margin-right: auto;
    font-family: 'Staatliches', sans-serif;
    color: #000000;
    font-size: 22px;
    letter-spacing: 0.9px;
}

.nav a {
    color: #000000;
    text-decoration: none;
}

.nav a:last-child {
  margin-left: 10px;
}

.nav span {
  margin: 5px;
}

.logo {
    margin-right: 0;
}

.nav img {
    margin-right: 52px;    
}

.main {
    padding-top: 132px;
    position: relative;
}

.main::after {
    content: "";
    position: fixed;
    top: 50px;
    right: 60px;
    width: 760px;
    height: 760px;
    background: url("../../images/bg-picture.png") no-repeat center;
    background-size: contain;
    opacity: 0.8;
    pointer-events: none;
    z-index: -1;   
}

.section {
    margin-bottom: 93px; 
}

.section_title {
    display: flex;
    align-items: baseline;
    gap: 10px;
    font-family: 'Francois One', sans-serif;
    font-size: 36px;
    line-height: 48px;
    letter-spacing: 1.5px;
    margin-bottom: 38px;
    position: relative;
    margin-top: 15px;
}

.section_title::before {
    content: "";
    position: absolute;
    top: -25px;
    left: 0;
    width: 100px;      
    height: 6px;      
    background: #000;  
    margin-bottom: 10px; 
}

.section p {
    font-family: 'PT Sans', sans-serif;
    font-size: 28px;
    line-height: 48px;
    color: #000000;
}

em {
    font-style: italic;
}

.list {
    list-style: none;
    margin-top: 10px;
}

.list li {
    font-family: 'PT Sans', sans-serif;
    font-style: normal;
    font-weight: 400;
    font-size: 28px;
    margin-bottom: 38px;

}

strong {
    font-family: 'PT Sans', sans-serif;
    font-style: normal;
    font-weight: 700;
    font-size: 28px;
}
.react_native {
   margin-bottom: 35px;
}

.section_title span {
    font-family: 'Farro', sans-serif;
    font-size: 18px;
    letter-spacing: 0.7px;    
    position: relative;
    top: -25px;  
}

.list li p {
    margin-top: 50px;
}




.flip-card {
    background-color: transparent;
    width: 270px;
    height: 180px;
    border: 1px solid #f1f1f1;
    perspective: 1000px;
    margin-top: 0px;    
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
  transform: rotateX(180deg);
}

.flip-card-front, .flip-card-back {
  position: absolute;
  width: 100%;
  height: 100%;
  -webkit-backface-visibility: hidden; /* Safari */
  backface-visibility: hidden;
}

.flip-card-front {
  background-color: #bbb;
  color: black;
}

.flip-card-back {
  background-color: dodgerblue;
  color: white;
  transform: rotateX(180deg);
}

.who_grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 25px;
  row-gap: 28px;
  margin-top: 0px;
}   

.who {
    margin-top: 0;
    padding-top: 185px;
}

.who .container {
  margin-left: 145px;
}

.who_title {
  position: relative;
  font-family: 'Roboto', sans-serif;
  font-size: 36px;
  letter-spacing: 2.5px;
  padding-left:100px;
  top: -24px;
  margin-bottom: 28px;
}

.who_title::before {
  content: "";
  position: absolute;
  left: -14px;
  top: 50%;
  transform: translateY(-50%);
  width: 100px;
  height: 8px;
  background: #000;
}

.active {
    letter-spacing: 0.1px;
    
}