body {
    font-family: 'GowunDodum', system-ui, sans-serif;
    color: var(--text-color);
    font-size: 1rem;
    min-height: 100vh;
    height: auto;
    background: var(--body-bg-color) linear-gradient(to bottom,
            var(--body-bg-color2) 0%,
            var(--body-bg-color3) 50%,
            var(--body-bg-color) 100%);
    background-size: 100% 100%;
    position: relative;
    display: flex;
    flex-direction: column;
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(var(--bg-white-02) 1px, var(--transparent) 1px),
        linear-gradient(90deg, var(--bg-white-02) 1px, var(--transparent) 1px);
    background-size: 2px 2px;
    opacity: 0.5;
    pointer-events: none;
}

main {
    flex-grow: 1;
}

main>section:not(#hero) {
    display: flex;
    flex-direction: column;
}

main>section:not(#hero)>h2 {
    margin: 0 0 1rem 0;
    font-size: 1.6rem;
    letter-spacing: 0.02em;
}

main>section:not(#hero)>h2 a {
    color: inherit;
    text-decoration: none;
}

main>section:not(#hero)>h2 a:hover,
main>section:not(#hero)>h2 a:focus {
    color: var(--accent-blue);
}

main>section:not(#hero)>nav[aria-label] {
    margin: 0;
}

main>section:not(#hero)>nav[aria-label] ol {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.95rem;
    color: var(--text-muted2);
}

main>section:not(#hero)>nav[aria-label] ol li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

main>section:not(#hero)>nav[aria-label] ol li+li::before {
    content: "/";
    color: var(--text-muted2);
}

main>section:not(#hero)>nav[aria-label] a {
    color: inherit;
    text-decoration: none;
}

main>section:not(#hero)>nav[aria-label] a:hover,
main>section:not(#hero)>nav[aria-label] a:focus {
    color: var(--accent-blue);
}

.external-link::after {
    content: " ↗";
    font-size: 0.85em;
    display: inline-block;
    margin-left: 0.2em;
    vertical-align: baseline;
    text-decoration: none;
}

hr {
    all: unset;
    display: block;
    width: 100%;
    max-width: 30em;
    height: 1rem;
    margin: auto;
    position: relative;
    background: radial-gradient(ellipse at center -20px,
            var(--accent-blue-glow),
            var(--transparent) 80%);
}

.hr-mirror {
    background: radial-gradient(ellipse at center calc(100% + 20px),
            var(--accent-blue-glow),
            var(--transparent) 80%);
}