* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    padding: 0;
    background: #0f1117;
    color: #e8eaf0;
    font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.7;
}

.container {
    width: min(900px, calc(100% - 40px));
    margin: 0 auto;
    padding: 70px 0;
}

header {
    margin-bottom: 50px;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 25px;
}

.logo {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: #7957ff;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
    font-weight: 800;
}

.logo i {
    font-size: 35px;
}

.brand-name {
    font-size: 20px;
    font-weight: 750;
    color: #ffffff;
}

h1 {
    margin: 0 0 12px;
    font-size: 35px;
    line-height: 1.15;
    letter-spacing: -1.5px;
    color: #ffffff;
}

.updated {
    color: #8b91a1;
    font-size: 15px;
}

.intro {
    color: #bfc4d2;
    padding: 22px 25px;
    background: #161922;
    border: 1px solid #282d3d;
    border-radius: 15px;
    margin-bottom: 45px;
}

section {
    margin-bottom: 40px;
}

h2 {
    margin: 0 0 15px;
    color: #ffffff;
    font-size: 23px;
    line-height: 1.3;
}

h3 {
    margin: 25px 0 8px;
    color: #f5f7fa;
    font-size: 17px;
}

p {
    margin: 0 0 15px;
    color: #b7bdcb;
}

ul {
    margin: 12px 0 18px;
    padding-left : 25px;
    color: #b7bdcb;
}

li {
    margin-bottom: 8px;
}

strong {
    color: #e8eaf0;
}

code {
    padding: 2px 6px;
    border-radius: 5px;
    background: #1c2030;
    color: #c8bfff;
    font-size: 0.9em;
}

.highlight {
    padding: 20px 22px;
    margin: 20px 0;
    background: #191d2b;
    border: 1px solid #282d3d;
    border-radius: 15px;
}

.highlight p:last-child {
    margin-bottom: 0;
}

a {
    color: #9c89ff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

footer {
    padding-top: 30px;
    border-top: 1px solid #282d3d;
    color: #777e90;
    font-size: 13px;
}

@media (max-width: 600px) {
    .container {
        width: min(100% - 30px, 900px);
        padding: 40px 0;
    }

    header {
        margin-bottom: 35px;
    }

    .intro {
        padding: 20px;
    }

    section {
        margin-bottom: 35px;
    }

    h2 {
        font-size: 21px;
    }
}