/* === Kontener === */
.container {
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

.container--narrow {
    max-width: 720px;
    margin-inline: auto;
    padding-inline: var(--container-padding);
}

/* === Grid === */
.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--grid-gap);
}

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

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

/* === Section spacing === */
.section {
    padding-block: var(--section-gap);
}

.section--sm {
    padding-block: 40px;
}

.section__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 40px;
}

.section__title {
    font-family: var(--font-heading);
    font-size: var(--fs-headline-md);
    font-weight: 600;
    color: var(--color-text);
}

/* === Horizontal scroll (mobile books) === */
.scroll-row {
    display: flex;
    gap: var(--grid-gap);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
    padding-bottom: 8px;
}

.scroll-row::-webkit-scrollbar { height: 4px; }
.scroll-row::-webkit-scrollbar-track { background: var(--color-surface); }
.scroll-row::-webkit-scrollbar-thumb { background: var(--color-primary-light); border-radius: var(--radius-pill); }

.scroll-row > * {
    flex-shrink: 0;
    scroll-snap-align: start;
    width: 220px;
}

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

@media (max-width: 768px) {
    .grid-3,
    .grid-4 { grid-template-columns: repeat(2, 1fr); }

    :root {
        --section-gap: 48px;
        --grid-gap: 16px;
    }
}

@media (max-width: 480px) {
    .grid-3,
    .grid-4,
    .grid-2 { grid-template-columns: 1fr; }
}