:root{
    --maxw: 900px;
    --gap: 1.1rem;
    --muted: #6b7280;
    --accent: #0f172a;
    --bg-color: #f7fafc;
    --nav-hover-color: rgb(239, 155, 59);
    --nav-color : rgb(67, 177, 231);
    --nav-ul-background-color: rgb(5, 28, 48);
    --nav-background-color: rgb(3, 20, 34);
}

footer h4{
    color: var(--text-color);
}

*{
    font-family: 'IBM Plex Sans', sans-serif;;
}

footer address{
    font-style: italic;
}

@media (prefers-color-scheme: dark) {
    .line-logo{
        filter: hue-rotate(-29deg) saturate(700%);        
    }
}

html,body{
    height:100%;
    margin:0;
    font-family: 'IBM Plex Sans', sans-serif;
    background: var(--bg-color);
    color:var(--accent);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height:1.5;
    font-size:16px;
}

main{
    margin: 15vh 10vw;
    background:white;
    padding: 28px;
    border-radius:12px;
    box-shadow: 0 6px 18px rgba(15,23,42,0.06);
    border:1px solid rgba(15,23,42,0.04);
}

h1{
    text-align:center;
    margin: 2vh 1vw;
    font-size:3rem;
}

h2{
    font-size:1.8rem;
    margin:0 0 8px 0;
}

p{
    font-size: large;
}





p.lead{
    margin:0;
    color:var(--muted);
    font-size:1.1rem;
}
hr.sep{
    border:0;
    border-top:1px solid rgba(15,23,42,0.06);
    margin:18px 0;
}
section + section{
    margin-top:var(--gap);
}

.meta{
    color:var(--muted);
    font-size:1.1rem;
    margin:0 0 2vw 0;
}

a{
    color:inherit;
    text-decoration:underline;
}
.note{
    font-size:0.92rem;
    color:var(--muted);
    background: rgba(15,23,42,0.02);
    padding:10px;
    border-radius:8px;
    border:1px dashed rgba(15,23,42,0.04);
}
#menu-toggle {
    background: none;
    border: none;
    cursor: pointer;
    display: none;
}

#menu-toggle img {
    width: 32px;
    height: 32px;
}
#menu {
    transition: transform 0.3s ease;
}
@media (min-width: 985px) {
    #menu {
        display: flex;
        gap: 2rem;
    }
}
@media (max-width: 984px) {
    #menu-toggle {
        display: block;
    }

    #menu {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 250px;
        background-color: var(--nav-background-color);
        flex-direction: column;
        padding: 2rem;
        transform: translateX(100%);
    }

    #menu.show {
        transform: translateX(0);
    }

    #menu li {
        margin: 1rem 0;
    }
}