/* Shared page-width shells */
.container,
.top-header-container,
.header-container,
.mega-menu-container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding-right: var(--page-gutter);
    padding-left: var(--page-gutter);
}

@media (max-width: 991px) {
    :root {
        --page-gutter: var(--space-6);
    }
}

/* Reusable editorial section header; spacing remains section-owned. */
.section-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
}

/* Shared composition for two-column section introductions. */
.content-header-grid {
    display: grid;
    gap: var(--space-12);
    align-items: end;
    margin-bottom: var(--space-12);
}

.content-intro {
    margin: 0;
    color: var(--color-text-muted);
    font-size: var(--text-base);
    line-height: var(--leading-body);
}

/* ==========================================================================
   Global Typography & Headings
   ========================================================================== */
.section-subtitle {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: var(--space-4);
}

@media (max-width: 767px) {
    .content-header-grid {
        grid-template-columns: minmax(0, 1fr);
        gap: var(--space-5);
        margin-bottom: var(--space-10);
    }
}