/* ============================================
   LAYOUT UTILITIES
   ============================================ */

/* ===== CONTAINER ===== */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm {
    max-width: var(--container-sm);
}

.container-md {
    max-width: var(--container-md);
}

.container-lg {
    max-width: var(--container-lg);
}

.container-2xl {
    max-width: var(--container-2xl);
}

/* ===== SECTION SPACING ===== */
.section {
    position: relative;
    padding: var(--space-24) 0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    z-index: 1;
}

.section-sm {
    padding: var(--space-16) 0;
    min-height: auto;
}

.section-lg {
    padding: var(--space-32) 0;
}

/* ===== GRID SYSTEM ===== */
.grid {
    display: grid;
    gap: var(--space-6);
}

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

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

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

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

/* Auto-fit Grid */
.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Gap Utilities */
.gap-2 {
    gap: var(--space-2);
}

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

.gap-6 {
    gap: var(--space-6);
}

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

.gap-12 {
    gap: var(--space-12);
}

/* ===== FLEXBOX UTILITIES ===== */
.flex {
    display: flex;
}

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

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

.flex-wrap {
    flex-wrap: wrap;
}

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

.items-start {
    align-items: flex-start;
}

.items-end {
    align-items: flex-end;
}

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

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

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

.justify-start {
    justify-content: flex-start;
}

.justify-end {
    justify-content: flex-end;
}

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

.mt-6 {
    margin-top: var(--space-6);
}

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

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

.mb-4 {
    margin-bottom: var(--space-4);
}

.mb-6 {
    margin-bottom: var(--space-6);
}

.mb-8 {
    margin-bottom: var(--space-8);
}

.mb-12 {
    margin-bottom: var(--space-12);
}

.pt-4 {
    padding-top: var(--space-4);
}

.pt-6 {
    padding-top: var(--space-6);
}

.pt-8 {
    padding-top: var(--space-8);
}

.pb-4 {
    padding-bottom: var(--space-4);
}

.pb-6 {
    padding-bottom: var(--space-6);
}

.pb-8 {
    padding-bottom: var(--space-8);
}

/* ===== TEXT ALIGNMENT ===== */
.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* ===== RESPONSIVE GRID ===== */
@media (max-width: 1024px) {
    .section {
        padding: var(--space-20) 0;
    }

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

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

@media (max-width: 768px) {
    .container {
        padding: 0 var(--space-4);
    }

    .section {
        padding: var(--space-16) 0;
        min-height: auto;
    }

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

    .grid-auto-fit,
    .grid-auto-fill {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .section {
        padding: var(--space-12) 0;
    }
}