/* ============================================
   LAYOUT
   Grid, containers e estrutura de layout
   ============================================ */

/* ========== CONTAINER ========== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

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

/* ========== GRID SYSTEM ========== */

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: var(--gap-lg);
}

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

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

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

/* ========== SECTION PADDING ========== */

.section-padding {
    padding: var(--section-padding-desktop) 0;
}

/* ========== FLEXBOX UTILITIES ========== */

.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

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

.gap-sm {
    gap: var(--gap-sm);
}

.gap-md {
    gap: var(--gap-md);
}

.gap-lg {
    gap: var(--gap-lg);
}

/* ========== SPACING UTILITIES ========== */

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }

.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }

/* ========== RESPONSIVE CONTAINER ========== */

@media (min-width: 576px) {
    .container {
        max-width: 540px;
    }
}

@media (min-width: 768px) {
    .container {
        max-width: 720px;
    }
}

@media (min-width: 992px) {
    .container {
        max-width: 960px;
    }
}

@media (min-width: 1200px) {
    .container {
        max-width: var(--container-max-width);
    }
}

/* ========== RESPONSIVE GRID ========== */

@media (max-width: 992px) {
    .grid-3,
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .section-padding {
        padding: var(--section-padding-tablet) 0;
    }
}

@media (max-width: 768px) {
    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .section-padding {
        padding: var(--section-padding-mobile) 0;
    }
}