/* Layout System */

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* 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);
}

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

@media (min-width: 769px) and (max-width: 1024px) {
    .grid--3,
    .grid--4 {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Flexbox utilities */
.flex {
    display: flex;
}

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

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

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

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

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

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

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

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

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

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

/* Section spacing */
.section {
    padding: var(--spacing-5xl) 0;
}

.section--sm {
    padding: var(--spacing-3xl) 0;
}

.section--lg {
    padding: var(--spacing-6xl) 0;
}

/* Responsive section spacing */
@media (max-width: 768px) {
    .section {
        padding: var(--spacing-3xl) 0;
    }
    
    .section--sm {
        padding: var(--spacing-2xl) 0;
    }
    
    .section--lg {
        padding: var(--spacing-4xl) 0;
    }
}

/* Content width constraints */
.content {
    max-width: 65ch;
    margin: 0 auto;
}

.content--narrow {
    max-width: 45ch;
}

.content--wide {
    max-width: 80ch;
}

/* Aspect ratios */
.aspect-square {
    aspect-ratio: 1 / 1;
}

.aspect-video {
    aspect-ratio: 16 / 9;
}

.aspect-photo {
    aspect-ratio: 4 / 3;
}

/* Positioning */
.relative {
    position: relative;
}

.absolute {
    position: absolute;
}

.fixed {
    position: fixed;
}

.sticky {
    position: sticky;
}

/* Display utilities */
.block {
    display: block;
}

.inline {
    display: inline;
}

.inline-block {
    display: inline-block;
}

.hidden {
    display: none;
}

/* Responsive display */
@media (max-width: 768px) {
    .hidden-mobile {
        display: none;
    }
}

@media (min-width: 769px) {
    .hidden-desktop {
        display: none;
    }
}

/* Overflow */
.overflow-hidden {
    overflow: hidden;
}

.overflow-auto {
    overflow: auto;
}

.overflow-x-auto {
    overflow-x: auto;
}

.overflow-y-auto {
    overflow-y: auto;
}

/* Width and height utilities */
.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.min-h-screen {
    min-height: 100vh;
}

/* Text alignment */
.text-left {
    text-align: left;
}

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

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

/* Responsive text alignment */
@media (max-width: 768px) {
    .text-center-mobile {
        text-align: center;
    }
    
    .text-left-mobile {
        text-align: left;
    }
}

/* Vertical alignment */
.align-top {
    vertical-align: top;
}

.align-middle {
    vertical-align: middle;
}

.align-bottom {
    vertical-align: bottom;
}