*,
*::before,
*::after {
    box-sizing: border-box;
}

body,
html {
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
    scroll-padding-top: 8rem;
}

.hero {
    background-color: var(--primary);
    color: var(--primary-fg);
    text-align: center;
    padding: var(--padding-md);
    padding-bottom: var(--padding-lg);
}

.hero-title {
    font-size: 3rem;
    margin: 0;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin: 0;
    opacity: var(--muted-transparency);
}

.navbar {
    display: flex;
    justify-content: center;
    background-color: var(--primary-90);
    color: var(--primary-10);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    font-weight: bold;
    font-size: 1.25em;
    padding: var(--padding-sm) var(--padding-md);
}

.nav-brand img {
    height: 1.5em;
}

.nav-link {
    color: inherit;
    text-decoration: none;
    padding: var(--padding-sm) var(--padding-md);
    transition: background-color var(--transition-medium), color var(--transition-medium);
}

.nav-link:hover,
.nav-link:focus,
.nav-link.active {
    background-color: var(--primary-10);
    color: var(--primary-90);
}

@media screen and (max-width: 900px) {
    .navbar {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-auto-flow: row;
        text-align: center;
    }

    .nav-link {
        text-align: center;
        width: 100%;
    }
}

.main {
    max-width: 80ch;
    margin: 0 auto;
    padding: var(--padding-md);
}

.cards-container.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1em;
}

.cards-container.grid .card {
    text-align: initial;
    margin: 0;
}

.definition-list dt {
    font-weight: bold;
}

.definition-list.kw-primary dt {
    color: var(--primary);
}

.definition-list.kw-accent dt {
    color: var(--accent);
}

pre:has(>code) {
    background-color: var(--bg-90);
    padding: var(--padding-sm);
    border-radius: var(--border-roundness);
    overflow-x: auto;
    box-shadow: var(--box-shadow);

}