:root {
    --et-ink: #12171c;
    --et-accent: #12a9b8;
}

html { scroll-behavior: smooth; }
body { margin: 0; padding-top: 50px; color: var(--et-ink); }
[id] { scroll-margin-top: 70px; }

.topnavbar {
    position: fixed;
    inset: 0 0 auto 0;
    z-index: 2001;
    height: 50px;
    display: flex;
    align-items: center;
    padding: 0 16px;
    background: #212121;
    box-sizing: border-box;
}

.topnavbar__brand {
    color: #fff;
    text-decoration: none;
    font: 600 28px/1 'Titillium Web', Arial, Helvetica, sans-serif;
    white-space: nowrap;
}

.topnavbar__brand span { color: var(--et-accent); }

.main-menu {
    position: fixed;
    top: 50px;
    bottom: 0;
    left: 0;
    z-index: 2000;
    width: 40px;
    overflow: hidden;
    border-right: 1px solid #373737;
    background: #212121;
    transition: width .18s ease;
}

.main-menu:hover,
.main-menu:focus-within {
    width: 250px;
    overflow-y: auto;
}

.main-menu a {
    min-height: 52px;
    display: flex;
    align-items: center;
    color: #fff;
    text-decoration: none;
    font-family: 'Titillium Web', Arial, Helvetica, sans-serif;
}

.main-menu a:hover,
.main-menu a:focus-visible {
    background: #333;
    outline: none;
}

.main-menu .nav-icon {
    width: 36px;
    height: 36px;
    margin: 8px 2px;
    padding: 4px;
    flex: 0 0 36px;
    object-fit: contain;
    box-sizing: border-box;
}

.main-menu .nav-text {
    width: 190px;
    padding-left: 18px;
    flex: 0 0 190px;
    font-size: 16px;
    white-space: nowrap;
}

.content-area {
    margin-top: 0 !important;
    margin-right: 0 !important;
    margin-left: 40px !important;
}

.site-footer {
    width: calc(100% - 40px);
    margin-left: 40px;
    background: #12171c;
    color: #d9e0e4;
    font: 14px/1.5 Arial, Helvetica, sans-serif;
}

.site-footer__inner {
    width: min(1200px, calc(100% - 40px));
    min-height: 72px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.site-footer p { margin: 0; }
.site-footer__links { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer a { color: #fff; text-decoration: none; }
.site-footer a:hover, .site-footer a:focus-visible { text-decoration: underline; }

@media (max-width: 640px) {
    .topnavbar__brand { font-size: 23px; }
    .site-footer__inner {
        padding: 20px 0;
        display: block;
        text-align: center;
    }
    .site-footer__links { justify-content: center; margin-top: 10px; }
}