:root {
    color: var(--color-text-primary);
    background: var(--color-background);
}

* {
    box-sizing: border-box;
}

html {
    scrollbar-gutter: stable;
}

body {
    margin: 0;
    padding: 0;
}

/* Keep the local design site's header frame while sharing its hosted tokens. */
.page-header {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    width: calc(100% - 48px);
    max-width: 1320px;
    gap: 1.25rem;
    margin: 24px auto 1.25rem;
}

.site-identity {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    min-width: 0;
}

.brand {
    flex-shrink: 0;
}

.brand, .brand a {
    color: var(--color-text-primary);
    text-decoration: none;
}

.brand span {
    color: var(--color-text-secondary);
}

.brand:hover {
    text-decoration: underline;
}

/* The transparent SVG keeps one compact viewBox for its entire animation. */
.site-logo {
    display: block;
    width: 11rem;
    max-width: 100%;
    height: 1.5rem;
    border: 0;
    background: transparent;
}

.page-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    min-width: 0;
}

main {
    width: calc(100% - 48px);
    max-width: 960px;
    margin: 0 auto;
    padding-bottom: 48px;
}

/* The design index's linked titles, descriptions, and separators. */
.plans {
    max-width: none;
    list-style: none;
    margin: 0;
    padding: 0;
}

.plan-link {
    display: block;
    padding: 20px 0;
    border-top: 1px solid var(--color-border);
    color: inherit;
    text-decoration: none;
}

.plan-link h2, .plan-link:visited h2 {
    margin: 0;
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 0.2em;
}

.details {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
}

.description {
    margin: 6px 0 0;
    color: var(--color-text-secondary);
    font: var(--type-ui-meta);
}

.plan-link:hover h2 {
    color: var(--color-link-hover);
    text-decoration-thickness: 2px;
}

.plan-link:active h2 {
    color: var(--color-link-active);
}

.plans > li + li {
    margin-top: 28px;
}

@media (max-width: 60em) {
    .page-header {
        grid-template-columns: minmax(0, 1fr);
        width: calc(100% - 36px);
        margin-top: 18px;
        gap: 1rem;
    }
}

@media (max-width: 40em) {
    .page-nav {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.5rem 1rem;
    }
}

@media (max-width: 600px) {
    main {
        width: calc(100% - 36px);
        padding-bottom: 28px;
    }
}