*{
    list-style: none;
    text-decoration: none;
    color: black;
    margin: 0px;
    padding: 0px;
    font-family: "Open Sans", sans-serif;
    border: 0px;
    box-sizing: border-box;
}

header{
    display: flex;
    justify-content: space-between;
    height: 80px;
    align-items: center;
    padding: 0 50px;
    background-color: transparent;
    position: fixed;
    right: 0;
    left: 0;
    z-index: 9999;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
    background-color: #0e1d34f0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
    backdrop-filter: blur(10px);
}

.header-right-part{
    display: flex;
    flex: 1;
    justify-content: end;
}

.header-left-part h1{
    color: white;
    font-size: 28px;
    font-weight: bold;
}

.header-left-part{
    margin-left: 20px;
}

nav{
    width: 710px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

ul{
    display: flex;
}

.header-right-part a {
    margin: 0 20px;
    text-decoration: none;
}

.header-right-part a li {
    color: rgb(183, 183, 183);
    font-size: 14px;
    font-weight: 500;
    transition: color 0.3s ease;
}

.header-right-part a:hover li,
.header-right-part a.active li {
    color: white;
}

.header-but-div button{
    width: 125px;
    height: 40px;
    color: white;
    background-color: #0d42ff;
    border-radius: 7px;
    font-size: 16px;
    font-weight: 600;
}