*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}
header {
    max-width: 100%;
    position: fixed;
    z-index: 1;
    color: white;
    display: flex;
    gap: 400px;
    align-items: center;
    margin-top: 30px;
    margin-left: 120px;
}
#logo{
    font-size: 20px;
    font-weight: 700;
}
header > ul{
    display: flex;
    gap: 20px;
}
header > ul > li{
    list-style: none;
    font-size: 15px;
    font-weight: 500;
}
header > button{
    outline: none;
    border: none;
    width: 80px;
    height: 20px;
    border-radius: 10px;
}

.card{
    max-width: 100%;
    height: 100vh;
    color: white;
    /* display: flex; */
    text-align: center;
    position: sticky;
    top: 0;
    padding-top: 300px;
}
.card > p{
    font-size: 20px;
}
.card > button{
    margin-top: 30px;
    outline: none;
    border-style: none;
    width: 180px;
    height: 30px;
    background-color: chocolate;
    color: white;
    border-radius: 15px;
    transition: all 0.5s;
    font-size: 13px;
    font-weight: bolder;
    cursor: pointer;
}
.card > button:hover{
    background: none;
    border: 2px solid white;
    /* transform: scale(1.02); */
}
#one{
    background: linear-gradient( rgba(0, 0, 78, 0.7), rgba(0, 0, 78, 0.8)), url(Assets/david-rodrigo-Fr6zexbmjmc-unsplash.jpg);
    background-size: cover;
    background-position: center;
}

#two{
    background: linear-gradient( rgba(69, 0, 78, 0.7), rgba(69, 0, 78, 0.8)), url(Assets/denys-nevozhai-D8iZPlX-2fs-unsplash.jpg);
    background-size: cover;
    background-position: center;
    color: ;
}
#two > button{
    background-color: orange;
}
#two > button:hover{
    background: none;
}
#three{
    background: linear-gradient( rgba(68, 10, 0, 0.5), rgba(68, 0, 23, 0.65)), url(Assets/simon-zhu-4hluhoRJokI-unsplash.jpg);
    background-size: cover;
    background-position: center;
}
#three > button{
    background-color: lightsalmon;
}
#three > button:hover{
    background: none;
}
#four{
    background: linear-gradient( rgba(0, 0, 78, 0.5), rgba(0, 0, 78, 0.65)), url(Assets/zhou-xian-7tFFO6Mq5L4-unsplash.jpg);
    background-size: cover;
    background-position: center;
}