/* ============================================
   Layout — Container, Grid, Flex Utilities
   ============================================ */

/* === Container === */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--px-page);
  padding-right: var(--px-page);
}
.container-lg { max-width: var(--container-lg); }
.max-w-7xl { max-width: 80rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-xl { max-width: 36rem; }
.max-w-sm { max-width: 24rem; }

/* === Display === */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.hidden { display: none; }

/* === Flexbox === */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.items-start { align-items: start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.self-start { align-self: flex-start; }
.self-end { align-self: flex-end; }

/* === Grid === */
.grid { display: grid; }
.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)); }

/* === Gap === */
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

/* === Spacing (Padding) === */
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-5 { padding-top: 1.25rem; padding-bottom: 1.25rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
.py-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.py-32 { padding-top: 8rem; padding-bottom: 8rem; }
.pt-8 { padding-top: 2rem; }
.pt-20 { padding-top: 5rem; }
.pt-24 { padding-top: 6rem; }
.pt-32 { padding-top: 8rem; }
.pb-10 { padding-bottom: 2.5rem; }
.pb-20 { padding-bottom: 5rem; }
.pr-6 { padding-right: 1.5rem; }
.pr-10 { padding-right: 2.5rem; }
.pr-14 { padding-right: 3.5rem; }
.pl-2 { padding-left: 0.5rem; }
.pl-6 { padding-left: 1.5rem; }

/* === Spacing (Margin) === */
.m-0 { margin: 0; }
.mx-auto { margin-left: auto; margin-right: auto; }
.mx-1 { margin-left: 0.25rem; margin-right: 0.25rem; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-16 { margin-bottom: 4rem; }
.mb-20 { margin-bottom: 5rem; }
.mb-24 { margin-bottom: 6rem; }
.mb-32 { margin-bottom: 8rem; }
.mb-40 { margin-bottom: 10rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-auto { margin-top: auto; }
.mr-1 { margin-right: 0.25rem; }
.ml-1 { margin-left: 0.25rem; }

/* === Sizing === */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-square { aspect-ratio: 1 / 1; }

/* === Position === */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }

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

/* === Text === */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.italic { font-style: italic; }
.underline { text-decoration: underline; }
.whitespace-nowrap { white-space: nowrap; }
.break-words { word-wrap: break-word; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.leading-tight { line-height: 1.25; }
.leading-relaxed { line-height: 1.625; }
.leading-none { line-height: 1; }

/* === Pointer Events === */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }
.cursor-pointer { cursor: pointer; }
.cursor-none { cursor: none; }
.touch-none { touch-action: none; }
.select-none { user-select: none; }

/* === Borders === */
.border { border-width: 1px; border-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-l-4 { border-left-width: 4px; border-left-style: solid; }
.border-r-4 { border-right-width: 4px; border-right-style: solid; }
.border-2 { border-width: 2px; border-style: solid; }

/* === Backdrop / Filter === */
.backdrop-blur-md { backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.backdrop-blur-xl { backdrop-filter: blur(24px); -webkit-backdrop-filter: blur(24px); }
.backdrop-blur-sm { backdrop-filter: blur(4px); -webkit-backdrop-filter: blur(4px); }
.grayscale { filter: grayscale(100%); }
.grayscale-0 { filter: grayscale(0); }
.blur-3xl { filter: blur(64px); }

/* === Object Fit === */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* === Transition === */
.transition-all { transition: all var(--duration-normal) ease; }
.transition-colors { transition: color var(--duration-normal) ease, background-color var(--duration-normal) ease, border-color var(--duration-normal) ease; }
.transition-transform { transition: transform var(--duration-normal) ease; }
.transition-opacity { transition: opacity var(--duration-normal) ease; }
.transition-shadow { transition: box-shadow var(--duration-normal) ease; }

/* === Responsive === */
@media (min-width: 640px) {
  .sm\:w-auto { width: auto; }
  .sm\:flex-row { flex-direction: row; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .sm\:text-lg { font-size: 1.125rem; }
  .sm\:text-xl { font-size: 1.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; }
  .sm\:min-h-\[400px\] { min-height: 400px; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:w-\[360px\] { width: 360px; }
  .sm\:h-\[580px\] { height: 580px; }
}

@media (min-width: 768px) {
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .md\:flex-row { flex-direction: row; }
  .md\:items-center { align-items: center; }
  .md\:items-end { align-items: flex-end; }
  .md\:text-left { text-align: left; }
  .md\:text-right { text-align: right; }
  .md\:text-5xl { font-size: 3rem; }
  .md\:text-4xl { font-size: 2.25rem; }
  .md\:text-3xl { font-size: 1.875rem; }
  .md\:text-2xl { font-size: 1.5rem; }
  .md\:text-xl { font-size: 1.25rem; }
  .md\:text-lg { font-size: 1.125rem; }
  .md\:text-base { font-size: 1rem; }
  .md\:p-10 { padding: 2.5rem; }
  .md\:p-12 { padding: 3rem; }
  .md\:py-32 { padding-top: 8rem; padding-bottom: 8rem; }
  .md\:mb-24 { margin-bottom: 6rem; }
  .md\:mb-32 { margin-bottom: 8rem; }
  .md\:mb-40 { margin-bottom: 10rem; }
  .md\:gap-8 { gap: 2rem; }
  .md\:gap-12 { gap: 3rem; }
  .md\:border-l-0 { border-left-width: 0; }
  .md\:border-r-4 { border-right-width: 4px; border-right-style: solid; }
  .md\:pl-0 { padding-left: 0; }
  .md\:pr-10 { padding-right: 2.5rem; }
  .md\:mx-0 { margin-left: 0; margin-right: 0; }
  .md\:opacity-100 { opacity: 1; }
  .md\:h-\[350px\] { height: 350px; }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
}

@media (min-width: 1024px) {
  .lg\:flex { display: flex; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .lg\:text-6xl { font-size: 3.75rem; }
  .lg\:text-5xl { font-size: 3rem; }
  .lg\:text-3xl { font-size: 1.875rem; }
  .lg\:col-span-1 { grid-column: span 1 / span 1; }
}

@media (min-width: 1280px) {
  .xl\:text-7xl { font-size: 4.5rem; }
}