/* ==========================================================================
   Layout — Container, Grid, Breakpoints, Utilities
   ========================================================================== */

.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-px);
}

/* ---------- Section ---------- */

.section {
    padding-block: var(--section-py);
}

/* ---------- Grids ---------- */

.grid-2,
.grid-3 {
    display: grid;
    gap: var(--space-8);
}

@media (min-width: 640px) {
    .grid-2,
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 960px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ---------- Stack ---------- */

.stack > * + * {
    margin-block-start: var(--stack-space, var(--space-6));
}

/* ---------- Utilities ---------- */

.text-center {
    text-align: center;
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ---------- Skip Link ---------- */

.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    z-index: 1000;
    padding: var(--space-2) var(--space-4);
    background: var(--color-primary-600);
    color: var(--color-white);
    font-family: var(--font-ui);
    font-weight: var(--weight-semibold);
    text-decoration: none;
    border-radius: var(--radius-sm);
}

.skip-link:focus {
    top: var(--space-2);
}

/* ---------- Screen-reader Only ---------- */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}