/**
 * NUGUI Layout System
 * Grid, containers, sections, and spacing utilities
 */

/* ========================================
   CONTAINERS & WRAPPERS
   ======================================== */
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-4, 1rem);
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

.container-xl {
  max-width: 1280px;
}

.container-2xl {
  max-width: 1536px;
}

/* Common max-width classes */
.max-w-7xl {
  max-width: 80rem;
}

.max-w-6xl {
  max-width: 72rem;
}

.max-w-5xl {
  max-width: 64rem;
}

.max-w-4xl {
  max-width: 56rem;
}

.max-w-3xl {
  max-width: 48rem;
}

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

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

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

/* Auto margins for centering */
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   SECTIONS
   ======================================== */
.section {
  padding: 80px 20px;
  background-color: var(--color-background-secondary);
}

.section-sm {
  padding: 40px 20px;
}

.section-lg {
  padding: 120px 20px;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--color-text-primary);
}

.section-header p {
  font-size: 1.2rem;
  max-width: 42rem;
  margin: 0 auto;
  color: var(--color-text-secondary);
}

/* ========================================
   GRID SYSTEMS
   ======================================== */
.grid {
  display: grid;
  gap: var(--spacing-6, 1.5rem);
}

.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

/* Auto-fit grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

/* 3-Column Card Grid - Main cards layout */
.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px auto;
  max-width: 1200px;
}

/* Feature Cards Grid - 3 columns */
.feature-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px auto;
  max-width: 1200px;
}

/* Solution Cards Grid - 3 columns */
.solution-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px auto;
  max-width: 1200px;
}

/* Product Cards Grid - 3 columns */
.product-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px auto;
  max-width: 1200px;
}

/* Product Showcase Grid - 3 columns with multiple rows for product overview */
.product-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin: 40px auto;
  max-width: 1200px;
}

/* Testimonial Cards Grid - Side by side, smaller cards */
.testimonial-cards-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 40px auto;
  max-width: 900px;
}

/* Responsive adjustments for card grids */
@media (max-width: 1024px) {
  .card-grid-3,
  .feature-cards-grid,
  .solution-cards-grid,
  .product-cards-grid,
  .product-showcase-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
}

@media (max-width: 768px) {
  .card-grid-3,
  .feature-cards-grid,
  .solution-cards-grid,
  .product-cards-grid,
  .product-showcase-grid,
  .testimonial-cards-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

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

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

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

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

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

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

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

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

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

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

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

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

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

.gap-2 {
  gap: 0.5rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

/* ========================================
   SPACING (Padding & Margin)
   ======================================== */
.p-0 { padding: 0; }
.p-2 { padding: 0.5rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }

.m-0 { margin: 0; }
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }

.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mx-6 { margin-left: 1.5rem; margin-right: 1.5rem; }
.mx-8 { margin-left: 2rem; margin-right: 2rem; }

.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }
.my-6 { margin-top: 1.5rem; margin-bottom: 1.5rem; }
.my-8 { margin-top: 2rem; margin-bottom: 2rem; }

.mt-auto { margin-top: auto; }
.mb-auto { margin-bottom: auto; }

/* ========================================
   POSITIONING
   ======================================== */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* ========================================
   DISPLAY UTILITIES
   ======================================== */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.hidden { display: none; }

/* ========================================
   WIDTH & HEIGHT
   ======================================== */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }

.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }

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

/* ========================================
   OVERFLOW
   ======================================== */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* ========================================
   RESPONSIVE UTILITIES
   ======================================== */
@media (min-width: 640px) {
  .sm\:container {
    max-width: 640px;
  }
  
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  
  .sm\:px-6 {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
  }
}

@media (min-width: 768px) {
  .md\:container {
    max-width: 768px;
  }
  
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  
  .md\:flex-row {
    flex-direction: row;
  }
  
  .section {
    padding: 100px 40px;
  }
}

@media (min-width: 1024px) {
  .lg\:container {
    max-width: 1024px;
  }
  
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  
  .lg\:px-8 {
    padding-left: 2rem;
    padding-right: 2rem;
  }
  
  .section {
    padding: 120px 60px;
  }
}

@media (min-width: 1280px) {
  .xl\:container {
    max-width: 1280px;
  }
}

/* ========================================
   PRINT STYLES
   ======================================== */
@media print {
  .no-print {
    display: none;
  }
}