/* ===========================
   Layout Utilities
=========================== */

.container {
    width: min(var(--container-width), calc(100% - var(--space-12)));
    margin-inline: auto;
}

.container-sm {
    width: min(var(--container-sm), calc(100% - var(--space-12)));
    margin-inline: auto;
}

.container-md {
    width: min(var(--container-md), calc(100% - var(--space-12)));
    margin-inline: auto;
}

.container-lg {
    width: min(var(--container-lg), calc(100% - var(--space-12)));
    margin-inline: auto;
}

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

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

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

/* ===========================
   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-start {
    justify-content: flex-start;
}

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

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

.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

/* ===========================
   Grid Utilities
=========================== */

.grid {
    display: grid;
}

.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); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }

.grid-gap-4 { gap: var(--space-4); }
.grid-gap-6 { gap: var(--space-6); }
.grid-gap-8 { gap: var(--space-8); }
.grid-gap-12 { gap: var(--space-12); }

/* ===========================
   Spacing Utilities
=========================== */

.m-0 { margin: 0; }
.m-auto { margin: auto; }

.mt-2 { margin-top: var(--space-2); }
.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-2 { margin-bottom: var(--space-2); }
.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); }

.ml-auto { margin-left: auto; }
.mr-auto { margin-right: auto; }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.p-12 { padding: var(--space-12); }

.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.py-8 { padding-top: var(--space-8); padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }

.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.px-8 { padding-left: var(--space-8); padding-right: var(--space-8); }

/* ===========================
   Text Utilities
=========================== */

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

.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.text-white { color: var(--color-white); }

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ===========================
   Display Utilities
=========================== */

.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }

/* ===========================
   Position Utilities
=========================== */

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* ===========================
   Size Utilities
=========================== */

.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }

/* ===========================
   Overflow Utilities
=========================== */

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

/* ===========================
   Visibility Utilities
=========================== */

.visible { visibility: visible; }
.invisible { visibility: hidden; }

/* ===========================
   Opacity Utilities
=========================== */

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-100 { opacity: 1; }

/* ===========================
   Screen Reader Only
=========================== */

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ===========================
   Animation Utilities
=========================== */

.animate-fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===========================
   Responsive Utilities
=========================== */

@media (max-width: 768px) {
    .grid-cols-2,
    .grid-cols-3,
    .grid-cols-4,
    .grid-cols-6 {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .navbar-menu {
        display: none;
    }
    
    .navbar-toggle {
        display: flex;
    }
    
    .container,
    .container-sm,
    .container-md,
    .container-lg {
        width: calc(100% - var(--space-6));
    }
}