/* ========================
   COMPOSITIONS — Layout primitives
   ======================== */

/* Vertical rhythm */
.stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-s);
}
.stack[data-gap="l"] { gap: var(--space-l); }
.stack[data-gap="xl"] { gap: var(--space-xl); }

/* Horizontal grouping */
.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gutter);
    align-items: center;
}

/* Constrained width container */
.wrapper {
    max-width: var(--measure-wide);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

/* Sidebar layout */
.with-sidebar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--gutter);
}
.with-sidebar > :first-child {
    flex-basis: 20rem;
    flex-grow: 1;
}
.with-sidebar > :last-child {
    flex-basis: 0;
    flex-grow: 999;
    min-width: 60%;
}

/* Auto grid */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, 16rem), 1fr));
    gap: var(--gutter);
}

/* Region (vertical spacing between page sections) */
.region {
    padding-block: var(--space-xl);
}