/* ==========================================================================
   LAYOUT UTILITIES
   Theme: Austere, Geometric, High-Contrast
   ========================================================================== */

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

.container--narrow {
    max-width: 800px;
}

/* Sections — Generous breathing room */
.section {
    padding-block: var(--space-32);
    position: relative;
}

.section--dark {
    background-color: var(--color-ink);
    color: var(--color-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--color-white);
}

.section--gray {
    background-color: var(--color-surface);
}

.section--contained {
    border: var(--border-thin);
    margin: var(--space-8);
    border-radius: var(--radius-lg);
    background: var(--color-white);
}

/* Flex / Grid Utilities */
.d-flex {
    display: flex;
}

.flex-column {
    flex-direction: column;
}

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

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-2 {
    gap: var(--space-2);
}

.gap-4 {
    gap: var(--space-4);
}

.gap-8 {
    gap: var(--space-8);
}

/* Geometric / Utilitarian Borders (Data/Dashboard feel) */
.border-top {
    border-top: var(--border-thin);
}

.border-bottom {
    border-bottom: var(--border-thin);
}

.border-left {
    border-left: var(--border-thin);
}

.border-right {
    border-right: var(--border-thin);
}

.border-dark-top {
    border-top: var(--border-dark);
}

/* Typography Utilities */
.text-center {
    text-align: center;
}

.mx-auto {
    margin-inline: auto;
}

.text-micro {
    font-size: var(--text-micro);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
}

.text-mute {
    color: var(--color-gray-600);
}

/* Spacing */
.mt-4 {
    margin-top: var(--space-4);
}

.mt-8 {
    margin-top: var(--space-8);
}

.mt-12 {
    margin-top: var(--space-12);
}

.mt-16 {
    margin-top: var(--space-16);
}

/* Mobile Overrides */
@media (max-width: 768px) {
    .section {
        padding-block: var(--space-16);
    }

    .section--contained {
        margin: var(--space-4);
        border-radius: var(--radius-md);
    }
}