/* Structural layout primitives */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}

.section {
    padding-block: var(--space-9);
}

.section--tight {
    padding-block: var(--space-7);
}

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

.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
}

.section-head__titles {
    max-width: 640px;
}

.section-title {
    font-size: var(--fs-2xl);
    margin-top: var(--space-2);
}

.section-subtitle {
    margin-top: var(--space-3);
    color: var(--color-text-secondary);
}

.grid {
    display: grid;
    gap: var(--space-5);
}

.grid--4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid--2 {
    grid-template-columns: repeat(2, 1fr);
}

.page-header {
    padding-block: var(--space-7);
    background-color: var(--color-primary-soft);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    align-items: center;
    font-size: var(--fs-sm);
    color: var(--color-muted);
}

.breadcrumb a:hover {
    color: var(--color-primary);
}

@media (max-width: 1024px) {
    .grid--4 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {

    .grid--4,
    .grid--3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .section {
        padding-block: var(--space-7);
    }

    .section-head {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 520px) {

    .grid--4,
    .grid--3,
    .grid--2 {
        grid-template-columns: 1fr;
    }
}