*,*::before, *::after{
    box-sizing: border-box;
}
*,html,body{
    padding: 0;
    margin: 0;
    font-family:"JetBrains Mono", monospace ;
    background-color: #0d1117;
    color: white;
    overflow-x: hidden;
    scroll-behavior: smooth;
    user-select: none;
}
body{
    background-color: #0d1117;
}

header{
display: flex;
justify-content: space-between;
align-items: center;
position: fixed;
z-index: 99;
top: 0;
left:0;
right:0;
height: 70px;
padding: 0 24px;
overflow-y: hidden;
border-bottom: 1px solid #8b949e;
}
header h1:hover{
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: #56a4ff;
}
header h1 span:hover{
    cursor: pointer;
    color: #56a4ff;
    text-decoration: underline;
    text-decoration-color: white;
    transition: all 0.8s ease;
}

header .navbar{
    visibility: hidden;
    opacity: 0;
}
header .navbar ul{
    display: flex;
    justify-content: center;
    flex-direction: column;
    gap: 20px;

}
header .navbar ul li a{
    text-decoration: none;
}
header .navbar ul li a:hover{
    color: #56a4ff;
    transition: all 0.3s ease;
    text-decoration: underline;
}
header .list-active{
    display: flex;
    flex-direction: column;
    gap: 20px;
    visibility: visible;
    opacity: 1;
    position: fixed;
    z-index: 98;
    top: 70px;
    left: 0;
    right: 0;
    padding: 20px;
}
header .button-resume{
    border: 2px solid #56a4ff;
    font-size: 16px;
    padding: 12px 16px;
    border-radius: 7px;
}
header .button-resume:hover{
cursor: pointer;
background-color: #56a4ff;
color: #0d1117;
transition: all 0.3s ease;
}
header .humburger-btn::before{
    content:"\2630";
    font-size: 28px;
    cursor: pointer;
}

header .humburger-btn-active::before{
    content:"\2a09";
    font-size: 28px;
    cursor: pointer;
}

main .hero{
    display: flex;
    flex-direction: column;
    padding: 140px 16px 64px;
}
main .hero .button-cta{
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin: 32px 0 0;
    text-align: center;
    max-width: 280px;
    width: 100%;
    box-sizing: border-box;
}

main .about{
    background-color: #11161d !important;
    padding: 64px 16px;
    border:1px solid #21262d;
    line-height: 32px;
}
main .about p, h2{
    background-color: inherit;
    overflow: hidden;
}

main .toolkit{
    padding: 64px 16px;
}
main .toolkit .card-toolkit{
    margin: 32px 0 0;
    background-color: #56a4ff;
    width: 100%;
    height: 100px;
}