:root {
    --clr-primary: #035781;
    --clr-secondary: #f3f7f9;
    --clr-text: #2b2b2bd8;

    --fw-light: 300;
    --fw-medium: 400;
    --fw-heavy: 700;

    --s-aside: 36ch;
    --s-content: 88ch;
    --s-micro: .125em;

    --fs-small: .75em;
    --fs-regular: 1.125em;
    --fs-double: 1.5em;
    --fs-large: 2.5em;
    --fs-huge: 4em;

    --sp-micro: .125em;
    --sp-tiny: .25em;
    --sp-half: .5em;
    --sp-regular: 1em;
    --sp-thick: 1.5em;
    --sp-double: 2em;
    --sp-huge: 12em;

    --fsa-regular: 1.125rem;

    --spa-heading: 4rem;

    --s-33pct: 33.33333%;
}

body {
    line-height: 1.5;
    font-size: var(--fs-regular);
    font-family: 'IBM Plex Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Avenir Next', Avenir, 'Segoe UI', 'Helvetica Neue', Helvetica, Cantarell, Ubuntu, Roboto, Oxygen-Sans, Noto, Arial, sans-serif;
    color: var(--clr-text);
    background-color: var(--clr-secondary);
}

ul {
    list-style-type: square;
}

small {
    font-size: var(--fs-small);
}

footer {
    text-align: center;
}

footer small {
    display: inline-block;
    margin-block: var(--sp-double);
}

figure {
    margin: 0 0 var(--sp-regular);
}

figure img {
    width: 100%;
    max-height: 18em;
    object-fit: cover;
}

nav {
    display: inline-block;
    position: sticky;
    top: 0;
}

nav,
footer {
    background-color: var(--clr-primary);
    color: var(--clr-secondary);
}

nav ul {
    margin-block: 0;
    padding-inline-start: 0;
    list-style-type: none;
}

address {
    font-style: normal;
}

dt {
    font-weight: var(--fw-heavy);
}

dd {
    margin: 0 0 var(--sp-regular);
}

abbr[title] {
    text-decoration: none;
}

a[href] {
    color: inherit;
    text-decoration: none;
}

a[href]:hover,
a[href]:focus {
    text-decoration: underline;
}

h1 small {
    display: block;
    font-size: var(--fsa-regular);
    font-weight: var(--fw-medium);
    margin-top: var(--sp-half);
}

nav a {
    display: block;
    padding-block: var(--sp-half);
    padding-inline: var(--sp-regular);
    font-weight: var(--fw-heavy);
}

main {
    display: flex;
}

.lvl-1 li a {
    font-weight: var(--fw-medium);
}

.nameplate {
    font-size: var(--fs-double);
    font-weight: var(--fw-heavy);
}

.subtitle {
    display: block;
    margin-bottom: var(--sp-regular);
}

nav,
.aside__wrapper,
.navbar {
    background-color: var(--clr-primary);
    color: var(--clr-secondary);
}

.aside__wrapper {
    flex-basis: var(--s-33pct);
}

.aside {
    top: 0;
    width: var(--s-aside);
    padding: 0 var(--sp-double) var(--sp-double) var(--sp-double);
    overflow: auto;
    max-height: 100dvh;
    position: sticky;
    margin-left: auto;
}

header {
    order: 2;
    flex-shrink: 0;
}

.aside h1 {
    padding-top: var(--sp-regular);
    margin: 0 0 var(--sp-regular) 0;
    font-size: var(--fs-large);
}

.aside h2 {
    margin: var(--sp-thick) 0;
    border-bottom: var(--s-micro) solid var(--clr-secondary);
    padding-bottom: var(--sp-tiny);
}

.logo {
    text-align: center;
    padding-block: var(--sp-thick);
}

.tile p:first-child {
    margin-top: 0;
}

.content {
    max-width: var(--s-content);
}

.slogan__wrapper {
    display: table;
    margin: var(--sp-huge) 0;
}

.slogan {
    margin: 0;
    font-size: var(--fs-huge);
    font-weight: var(--fw-heavy);
    display: table-cell;
    vertical-align: middle;
}

.slogan,
.content h2,
.content h3,
.content h4 {
    color: var(--clr-primary);
}

.slogan,
.content h2,
.content h3 .heading-content {
    padding-left: var(--spa-heading);
    border-bottom: var(--s-micro) solid var(--clr-primary);
}

.content h2 {
    font-size: var(--fs-large);
}

.content h3 {
    font-size: var(--fs-double);
}

.content h4 {
    margin-block: var(--sp-regular);
}

.year-dash {
    display: inline-block;
    margin-inline: var(--sp-micro);
}

.year-range {
    display: block;
    font-weight: var(--fw-medium);
}

.tile__wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0 var(--sp-double);
    margin-left: var(--spa-heading);
    margin-right: var(--sp-double);
    clear: both;
}

.tile__wrapper,
.content .body {
    margin-left: var(--spa-heading);
    margin-right: var(--sp-double);
}

.s-sm.aside__wrapper {
    padding-inline: var(--spa-heading) var(--sp-double);
    padding-block: var(--sp-regular);
}

.tile {
    flex: 1 1 28ch;
}

.gap-regular {
    gap: var(--sp-regular);
}

.d-flex {
    display: flex;
}

.flx-wrap {
    flex-wrap: wrap;
}

.contacts-misc dd {
    margin: 0;
}

.contacts-misc a {
    padding: var(--sp-half);
    display: block;
}

.contacts-misc a:hover,
.contacts-misc a:focus {
    box-shadow: inset 0 calc(-1 * var(--s-micro)) var(--clr-secondary);
}

.language-select {
    margin-top: var(--sp-half);
}

.language-select ul {
    display: flex;
}

.language-select li {
    flex: 1 0 0;
}

.language-select a[data-lang] {
    font-weight: var(--fw-heavy);
}

a.on {
    color: var(--clr-primary);
    background-color: var(--clr-secondary);
    box-shadow: inset 0 0 0 var(--s-micro) var(--clr-primary);
}

.navbar {
    z-index: 10;
    position: fixed;
    top: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 4.5rem;
}

.navbar .logo {
    padding: var(--sp-regular);
    margin-left: var(--sp-regular);
}

.navbar .menu {
    padding: var(--sp-regular);
    margin-right: var(--sp-regular);
}

summary {
    margin-inline: var(--spa-heading) var(--sp-double);
}

@media (max-width: 960px) or (max-height: 640px) {
    :root {
        --fs-regular: 1em;
        --spa-heading: 2rem;
        --sp-huge: 6em;
    }
    
    body {
        overflow: hidden;
    }
    
    body.hide {
        overflow: revert;
    }
    
    .aside {
        margin-left: 0;
        margin-top: 4.5rem;
    }
    
    main {
        display: block;
    }
    
    .content {
        margin-bottom: var(--sp-regular);
        --fs-regular: 1.125em;
    }
    
    footer {
        text-align: revert;
    }

    footer small {
        margin-inline: var(--spa-heading) var(--sp-double);
    }
    
    nav {
        overflow: auto;
        font-size: 1.125em;
        z-index: 10;
        position: fixed;
        left: 0;
        top: 4.5rem;
        width: 100%;
        height: calc(100% - 4.5rem);
        transition: margin-left 300ms ease-out;
    }
    
    nav a {
        padding-inline: var(--sp-thick);
    }
    
    body.hide nav {
        margin-left: -100%;
    }
}