/* ========================================
   CO-VER LAYOUT SYSTEM
   Containers, Grid, Sections
   ======================================== */

/* ========================================
   CONTAINERS
   ======================================== */

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-padding);
    padding-right: var(--container-padding);
}

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

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

.container-fluid {
    max-width: 100%;
}

/* ========================================
   SECTIONS
   ======================================== */

.section {
    padding-top: var(--section-padding-y);
    padding-bottom: var(--section-padding-y);
    padding-left: var(--section-padding-x);
    padding-right: var(--section-padding-x);
}

.section-sm {
    padding-top: var(--space-12);
    padding-bottom: var(--space-12);
}

.section-lg {
    padding-top: var(--space-24);
    padding-bottom: var(--space-24);
}

/* Section Backgrounds */
.section-light {
    background-color: var(--color-bg-light);
}

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

.section-dark {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
}

.section-primary {
    background: var(--gradient-primary);
    color: var(--color-text-inverse);
}

.section-gradient {
    background: var(--gradient-hero);
    color: var(--color-text-inverse);
}

/* ========================================
   SECTION HEADER
   ======================================== */

.section-header {
    text-align: center;
    max-width: var(--container-tight);
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--space-12);
}

.section-header h2 {
    color: var(--color-primary);
    margin-bottom: var(--space-4);
}

.section-header p {
    font-size: var(--font-size-md);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-dark .section-header h2,
.section-primary .section-header h2,
.section-gradient .section-header h2 {
    color: var(--color-text-inverse);
}

.section-dark .section-header p,
.section-primary .section-header p,
.section-gradient .section-header p {
    color: rgba(255, 255, 255, 0.85);
}

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

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

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

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

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

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

.grid-auto-fit-sm {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Gap variations */
.gap-sm {
    gap: var(--grid-gap-sm);
}

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

/* Alignment */
.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-end {
    justify-content: flex-end;
}

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

.flex {
    display: flex;
}

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

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

.flex-1 {
    flex: 1;
}

.flex-shrink-0 {
    flex-shrink: 0;
}

/* ========================================
   TWO-COLUMN LAYOUT
   ======================================== */

.two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.two-col-reverse {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
    align-items: center;
}

.two-col-60-40 {
    grid-template-columns: 1.2fr 1fr;
}

.two-col-40-60 {
    grid-template-columns: 1fr 1.2fr;
}

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

/* Margin */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.my-auto { margin-top: auto; margin-bottom: auto; }

.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); }
.mt-16 { margin-top: var(--space-16); }

.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); }
.mb-16 { margin-bottom: var(--space-16); }

/* Padding */
.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-6 { padding-top: var(--space-6); padding-bottom: var(--space-6); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }

/* ========================================
   WIDTH UTILITIES
   ======================================== */

.w-full {
    width: 100%;
}

.max-w-sm {
    max-width: 24rem;
}

.max-w-md {
    max-width: 28rem;
}

.max-w-lg {
    max-width: 32rem;
}

.max-w-xl {
    max-width: 36rem;
}

.max-w-2xl {
    max-width: 42rem;
}

.max-w-prose {
    max-width: 65ch;
}

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

@media (max-width: 1024px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .two-col,
    .two-col-reverse,
    .two-col-60-40,
    .two-col-40-60 {
        gap: var(--space-10);
    }
}

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

    .two-col,
    .two-col-reverse,
    .two-col-60-40,
    .two-col-40-60 {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .two-col-reverse > :first-child {
        order: 2;
    }

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