/* ==========================================================================
   LAYOUT – container toàn cục, section, lưới
   Section nền full-width, nội dung bên trong luôn nằm trong .container
   ========================================================================== */
.container {
    width: min(calc(100% - (var(--container-gutter) * 2)), var(--container-max));
    margin-inline: auto;
}

.container--narrow {
    --container-max: var(--reading-max);
}

.site-main {
    display: block;
}

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

.section:last-child {
    padding-bottom: var(--section-space);
}

.section--alt {
    background: var(--color-surface-alt);
    padding-bottom: var(--section-space);
}

.section__header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 3px;
}

.section__title {
    font-size: var(--text-section-title);
    font-weight: 700;
    line-height: 1.2;
    text-transform: uppercase;
    color: var(--color-primary);
    letter-spacing: -0.005em;
}

.section__link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    flex: none;
    font-size: 18px;
    font-weight: 500;
    color: var(--color-secondary);
}

.section__link .icon {
    width: 20px;
    height: 20px;
}

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

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

.grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* Layout có sidebar (category, post, search) */
.layout-sidebar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 32px;
    align-items: start;
}